Merge remote-tracking branch 'origin/main' into DRTVWR-600-maint-A

# Conflicts:
#	autobuild.xml
#	indra/cmake/CMakeLists.txt
#	indra/cmake/GoogleMock.cmake
#	indra/llaudio/llaudioengine_fmodstudio.cpp
#	indra/llaudio/llaudioengine_fmodstudio.h
#	indra/llaudio/lllistener_fmodstudio.cpp
#	indra/llaudio/lllistener_fmodstudio.h
#	indra/llaudio/llstreamingaudio_fmodstudio.cpp
#	indra/llaudio/llstreamingaudio_fmodstudio.h
#	indra/llcharacter/llmultigesture.cpp
#	indra/llcharacter/llmultigesture.h
#	indra/llimage/llimage.cpp
#	indra/llimage/llimagepng.cpp
#	indra/llimage/llimageworker.cpp
#	indra/llimage/tests/llimageworker_test.cpp
#	indra/llmessage/tests/llmockhttpclient.h
#	indra/llprimitive/llgltfmaterial.h
#	indra/llrender/llfontfreetype.cpp
#	indra/llui/llcombobox.cpp
#	indra/llui/llfolderview.cpp
#	indra/llui/llfolderviewmodel.h
#	indra/llui/lllineeditor.cpp
#	indra/llui/lllineeditor.h
#	indra/llui/lltextbase.cpp
#	indra/llui/lltextbase.h
#	indra/llui/lltexteditor.cpp
#	indra/llui/lltextvalidate.cpp
#	indra/llui/lltextvalidate.h
#	indra/llui/lluictrl.h
#	indra/llui/llview.cpp
#	indra/llwindow/llwindowmacosx.cpp
#	indra/newview/app_settings/settings.xml
#	indra/newview/llappearancemgr.cpp
#	indra/newview/llappearancemgr.h
#	indra/newview/llavatarpropertiesprocessor.cpp
#	indra/newview/llavatarpropertiesprocessor.h
#	indra/newview/llbreadcrumbview.cpp
#	indra/newview/llbreadcrumbview.h
#	indra/newview/llbreastmotion.cpp
#	indra/newview/llbreastmotion.h
#	indra/newview/llconversationmodel.h
#	indra/newview/lldensityctrl.cpp
#	indra/newview/lldensityctrl.h
#	indra/newview/llface.inl
#	indra/newview/llfloatereditsky.cpp
#	indra/newview/llfloatereditwater.cpp
#	indra/newview/llfloateremojipicker.h
#	indra/newview/llfloaterimsessiontab.cpp
#	indra/newview/llfloaterprofiletexture.cpp
#	indra/newview/llfloaterprofiletexture.h
#	indra/newview/llgesturemgr.cpp
#	indra/newview/llgesturemgr.h
#	indra/newview/llimpanel.cpp
#	indra/newview/llimpanel.h
#	indra/newview/llinventorybridge.cpp
#	indra/newview/llinventorybridge.h
#	indra/newview/llinventoryclipboard.cpp
#	indra/newview/llinventoryclipboard.h
#	indra/newview/llinventoryfunctions.cpp
#	indra/newview/llinventoryfunctions.h
#	indra/newview/llinventorygallery.cpp
#	indra/newview/lllistbrowser.cpp
#	indra/newview/lllistbrowser.h
#	indra/newview/llpanelobjectinventory.cpp
#	indra/newview/llpanelprofile.cpp
#	indra/newview/llpanelprofile.h
#	indra/newview/llpreviewgesture.cpp
#	indra/newview/llsavedsettingsglue.cpp
#	indra/newview/llsavedsettingsglue.h
#	indra/newview/lltooldraganddrop.cpp
#	indra/newview/llurllineeditorctrl.cpp
#	indra/newview/llvectorperfoptions.cpp
#	indra/newview/llvectorperfoptions.h
#	indra/newview/llviewerparceloverlay.cpp
#	indra/newview/llviewertexlayer.cpp
#	indra/newview/llviewertexturelist.cpp
#	indra/newview/macmain.h
#	indra/test/test.cpp

1 files changed, 10834 insertions, 10834 deletions

diff --git a/indra/newview/pipeline.cpp b/indra/newview/pipeline.cpp
index 53b879286a..039eea7bc5 100644
--- a/indra/newview/pipeline.cpp
+++ b/indra/newview/pipeline.cpp
@@ -1,10834 +1,10834 @@
-/** 
- * @file pipeline.cpp
- * @brief Rendering pipeline.
- *
- * $LicenseInfo:firstyear=2005&license=viewerlgpl$
- * Second Life Viewer Source Code
- * Copyright (C) 2010, Linden Research, Inc.
- * 
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation;
- * version 2.1 of the License only.
- * 
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- * 
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
- * 
- * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
- * $/LicenseInfo$
- */
-
-#include "llviewerprecompiledheaders.h"
-
-#include "pipeline.h"
-
-// library includes
-#include "llaudioengine.h" // For debugging.
-#include "llerror.h"
-#include "llviewercontrol.h"
-#include "llfasttimer.h"
-#include "llfontgl.h"
-#include "llnamevalue.h"
-#include "llpointer.h"
-#include "llprimitive.h"
-#include "llvolume.h"
-#include "material_codes.h"
-#include "v3color.h"
-#include "llui.h" 
-#include "llglheaders.h"
-#include "llrender.h"
-#include "llstartup.h"
-#include "llwindow.h"	// swapBuffers()
-
-// newview includes
-#include "llagent.h"
-#include "llagentcamera.h"
-#include "llappviewer.h"
-#include "lltexturecache.h"
-#include "lltexturefetch.h"
-#include "llimageworker.h"
-#include "lldrawable.h"
-#include "lldrawpoolalpha.h"
-#include "lldrawpoolavatar.h"
-#include "lldrawpoolbump.h"
-#include "lldrawpooltree.h"
-#include "lldrawpoolwater.h"
-#include "llface.h"
-#include "llfeaturemanager.h"
-#include "llfloatertelehub.h"
-#include "llfloaterreg.h"
-#include "llhudmanager.h"
-#include "llhudnametag.h"
-#include "llhudtext.h"
-#include "lllightconstants.h"
-#include "llmeshrepository.h"
-#include "llpipelinelistener.h"
-#include "llresmgr.h"
-#include "llselectmgr.h"
-#include "llsky.h"
-#include "lltracker.h"
-#include "lltool.h"
-#include "lltoolmgr.h"
-#include "llviewercamera.h"
-#include "llviewermediafocus.h"
-#include "llviewertexturelist.h"
-#include "llviewerobject.h"
-#include "llviewerobjectlist.h"
-#include "llviewerparcelmgr.h"
-#include "llviewerregion.h" // for audio debugging.
-#include "llviewerwindow.h" // For getSpinAxis
-#include "llvoavatarself.h"
-#include "llvocache.h"
-#include "llvosky.h"
-#include "llvowlsky.h"
-#include "llvotree.h"
-#include "llvovolume.h"
-#include "llvosurfacepatch.h"
-#include "llvowater.h"
-#include "llvotree.h"
-#include "llvopartgroup.h"
-#include "llworld.h"
-#include "llcubemap.h"
-#include "llviewershadermgr.h"
-#include "llviewerstats.h"
-#include "llviewerjoystick.h"
-#include "llviewerdisplay.h"
-#include "llspatialpartition.h"
-#include "llmutelist.h"
-#include "lltoolpie.h"
-#include "llnotifications.h"
-#include "llpathinglib.h"
-#include "llfloaterpathfindingconsole.h"
-#include "llfloaterpathfindingcharacters.h"
-#include "llfloatertools.h"
-#include "llpanelface.h"
-#include "llpathfindingpathtool.h"
-#include "llscenemonitor.h"
-#include "llprogressview.h"
-#include "llcleanup.h"
-
-#include "llenvironment.h"
-#include "llsettingsvo.h"
-
-extern bool gSnapshot;
-bool gShiftFrame = false;
-
-//cached settings
-bool LLPipeline::WindLightUseAtmosShaders;
-bool LLPipeline::RenderDeferred;
-F32 LLPipeline::RenderDeferredSunWash;
-U32 LLPipeline::RenderFSAASamples;
-U32 LLPipeline::RenderResolutionDivisor;
-bool LLPipeline::RenderUIBuffer;
-S32 LLPipeline::RenderShadowDetail;
-S32 LLPipeline::RenderShadowSplits;
-bool LLPipeline::RenderDeferredSSAO;
-F32 LLPipeline::RenderShadowResolutionScale;
-bool LLPipeline::RenderDelayCreation;
-bool LLPipeline::RenderAnimateRes;
-bool LLPipeline::FreezeTime;
-S32 LLPipeline::DebugBeaconLineWidth;
-F32 LLPipeline::RenderHighlightBrightness;
-LLColor4 LLPipeline::RenderHighlightColor;
-F32 LLPipeline::RenderHighlightThickness;
-bool LLPipeline::RenderSpotLightsInNondeferred;
-LLColor4 LLPipeline::PreviewAmbientColor;
-LLColor4 LLPipeline::PreviewDiffuse0;
-LLColor4 LLPipeline::PreviewSpecular0;
-LLColor4 LLPipeline::PreviewDiffuse1;
-LLColor4 LLPipeline::PreviewSpecular1;
-LLColor4 LLPipeline::PreviewDiffuse2;
-LLColor4 LLPipeline::PreviewSpecular2;
-LLVector3 LLPipeline::PreviewDirection0;
-LLVector3 LLPipeline::PreviewDirection1;
-LLVector3 LLPipeline::PreviewDirection2;
-F32 LLPipeline::RenderGlowMaxExtractAlpha;
-F32 LLPipeline::RenderGlowWarmthAmount;
-LLVector3 LLPipeline::RenderGlowLumWeights;
-LLVector3 LLPipeline::RenderGlowWarmthWeights;
-S32 LLPipeline::RenderGlowResolutionPow;
-S32 LLPipeline::RenderGlowIterations;
-F32 LLPipeline::RenderGlowWidth;
-F32 LLPipeline::RenderGlowStrength;
-bool LLPipeline::RenderGlowNoise;
-bool LLPipeline::RenderDepthOfField;
-bool LLPipeline::RenderDepthOfFieldInEditMode;
-F32 LLPipeline::CameraFocusTransitionTime;
-F32 LLPipeline::CameraFNumber;
-F32 LLPipeline::CameraFocalLength;
-F32 LLPipeline::CameraFieldOfView;
-F32 LLPipeline::RenderShadowNoise;
-F32 LLPipeline::RenderShadowBlurSize;
-F32 LLPipeline::RenderSSAOScale;
-U32 LLPipeline::RenderSSAOMaxScale;
-F32 LLPipeline::RenderSSAOFactor;
-LLVector3 LLPipeline::RenderSSAOEffect;
-F32 LLPipeline::RenderShadowOffsetError;
-F32 LLPipeline::RenderShadowBiasError;
-F32 LLPipeline::RenderShadowOffset;
-F32 LLPipeline::RenderShadowBias;
-F32 LLPipeline::RenderSpotShadowOffset;
-F32 LLPipeline::RenderSpotShadowBias;
-LLDrawable* LLPipeline::RenderSpotLight = nullptr;
-F32 LLPipeline::RenderEdgeDepthCutoff;
-F32 LLPipeline::RenderEdgeNormCutoff;
-LLVector3 LLPipeline::RenderShadowGaussian;
-F32 LLPipeline::RenderShadowBlurDistFactor;
-bool LLPipeline::RenderDeferredAtmospheric;
-F32 LLPipeline::RenderHighlightFadeTime;
-F32 LLPipeline::RenderFarClip;
-LLVector3 LLPipeline::RenderShadowSplitExponent;
-F32 LLPipeline::RenderShadowErrorCutoff;
-F32 LLPipeline::RenderShadowFOVCutoff;
-bool LLPipeline::CameraOffset;
-F32 LLPipeline::CameraMaxCoF;
-F32 LLPipeline::CameraDoFResScale;
-F32 LLPipeline::RenderAutoHideSurfaceAreaLimit;
-bool LLPipeline::RenderScreenSpaceReflections;
-S32 LLPipeline::RenderScreenSpaceReflectionIterations;
-F32 LLPipeline::RenderScreenSpaceReflectionRayStep;
-F32 LLPipeline::RenderScreenSpaceReflectionDistanceBias;
-F32 LLPipeline::RenderScreenSpaceReflectionDepthRejectBias;
-F32 LLPipeline::RenderScreenSpaceReflectionAdaptiveStepMultiplier;
-S32 LLPipeline::RenderScreenSpaceReflectionGlossySamples;
-S32 LLPipeline::RenderBufferVisualization;
-LLTrace::EventStatHandle<S64> LLPipeline::sStatBatchSize("renderbatchsize");
-
-const F32 BACKLIGHT_DAY_MAGNITUDE_OBJECT = 0.1f;
-const F32 BACKLIGHT_NIGHT_MAGNITUDE_OBJECT = 0.08f;
-const F32 ALPHA_BLEND_CUTOFF = 0.598f;
-const F32 DEFERRED_LIGHT_FALLOFF = 0.5f;
-const U32 DEFERRED_VB_MASK = LLVertexBuffer::MAP_VERTEX | LLVertexBuffer::MAP_TEXCOORD0 | LLVertexBuffer::MAP_TEXCOORD1;
-
-extern S32 gBoxFrame;
-//extern bool gHideSelectedObjects;
-extern bool gDisplaySwapBuffers;
-extern bool gDebugGL;
-extern bool gCubeSnapshot;
-extern bool gSnapshotNoPost;
-
-bool	gAvatarBacklight = false;
-
-bool	gDebugPipeline = false;
-LLPipeline gPipeline;
-const LLMatrix4* gGLLastMatrix = NULL;
-
-LLTrace::BlockTimerStatHandle FTM_RENDER_GEOMETRY("Render Geometry");
-LLTrace::BlockTimerStatHandle FTM_RENDER_GRASS("Grass");
-LLTrace::BlockTimerStatHandle FTM_RENDER_INVISIBLE("Invisible");
-LLTrace::BlockTimerStatHandle FTM_RENDER_SHINY("Shiny");
-LLTrace::BlockTimerStatHandle FTM_RENDER_SIMPLE("Simple");
-LLTrace::BlockTimerStatHandle FTM_RENDER_TERRAIN("Terrain");
-LLTrace::BlockTimerStatHandle FTM_RENDER_TREES("Trees");
-LLTrace::BlockTimerStatHandle FTM_RENDER_UI("UI");
-LLTrace::BlockTimerStatHandle FTM_RENDER_WATER("Water");
-LLTrace::BlockTimerStatHandle FTM_RENDER_WL_SKY("Windlight Sky");
-LLTrace::BlockTimerStatHandle FTM_RENDER_ALPHA("Alpha Objects");
-LLTrace::BlockTimerStatHandle FTM_RENDER_CHARACTERS("Avatars");
-LLTrace::BlockTimerStatHandle FTM_RENDER_BUMP("Bump");
-LLTrace::BlockTimerStatHandle FTM_RENDER_MATERIALS("Render Materials");
-LLTrace::BlockTimerStatHandle FTM_RENDER_FULLBRIGHT("Fullbright");
-LLTrace::BlockTimerStatHandle FTM_RENDER_GLOW("Glow");
-LLTrace::BlockTimerStatHandle FTM_GEO_UPDATE("Geo Update");
-LLTrace::BlockTimerStatHandle FTM_POOLRENDER("RenderPool");
-LLTrace::BlockTimerStatHandle FTM_POOLS("Pools");
-LLTrace::BlockTimerStatHandle FTM_DEFERRED_POOLRENDER("RenderPool (Deferred)");
-LLTrace::BlockTimerStatHandle FTM_DEFERRED_POOLS("Pools (Deferred)");
-LLTrace::BlockTimerStatHandle FTM_POST_DEFERRED_POOLRENDER("RenderPool (Post)");
-LLTrace::BlockTimerStatHandle FTM_POST_DEFERRED_POOLS("Pools (Post)");
-LLTrace::BlockTimerStatHandle FTM_STATESORT("Sort Draw State");
-LLTrace::BlockTimerStatHandle FTM_PIPELINE("Pipeline");
-LLTrace::BlockTimerStatHandle FTM_CLIENT_COPY("Client Copy");
-LLTrace::BlockTimerStatHandle FTM_RENDER_DEFERRED("Deferred Shading");
-
-LLTrace::BlockTimerStatHandle FTM_RENDER_UI_HUD("HUD");
-LLTrace::BlockTimerStatHandle FTM_RENDER_UI_3D("3D");
-LLTrace::BlockTimerStatHandle FTM_RENDER_UI_2D("2D");
-
-static LLTrace::BlockTimerStatHandle FTM_STATESORT_DRAWABLE("Sort Drawables");
-
-static LLStaticHashedString sTint("tint");
-static LLStaticHashedString sAmbiance("ambiance");
-static LLStaticHashedString sAlphaScale("alpha_scale");
-static LLStaticHashedString sNormMat("norm_mat");
-static LLStaticHashedString sOffset("offset");
-static LLStaticHashedString sScreenRes("screenRes");
-static LLStaticHashedString sDelta("delta");
-static LLStaticHashedString sDistFactor("dist_factor");
-static LLStaticHashedString sKern("kern");
-static LLStaticHashedString sKernScale("kern_scale");
-
-//----------------------------------------
-
-void drawBox(const LLVector4a& c, const LLVector4a& r);
-void drawBoxOutline(const LLVector3& pos, const LLVector3& size);
-U32 nhpo2(U32 v);
-LLVertexBuffer* ll_create_cube_vb(U32 type_mask);
-
-void display_update_camera();
-//----------------------------------------
-
-S32		LLPipeline::sCompiles = 0;
-
-bool	LLPipeline::sPickAvatar = true;
-bool	LLPipeline::sDynamicLOD = true;
-bool	LLPipeline::sShowHUDAttachments = true;
-bool	LLPipeline::sRenderMOAPBeacons = false;
-bool	LLPipeline::sRenderPhysicalBeacons = true;
-bool	LLPipeline::sRenderScriptedBeacons = false;
-bool	LLPipeline::sRenderScriptedTouchBeacons = true;
-bool	LLPipeline::sRenderParticleBeacons = false;
-bool	LLPipeline::sRenderSoundBeacons = false;
-bool	LLPipeline::sRenderBeacons = false;
-bool	LLPipeline::sRenderHighlight = true;
-LLRender::eTexIndex LLPipeline::sRenderHighlightTextureChannel = LLRender::DIFFUSE_MAP;
-bool	LLPipeline::sForceOldBakedUpload = false;
-S32		LLPipeline::sUseOcclusion = 0;
-bool	LLPipeline::sAutoMaskAlphaDeferred = true;
-bool	LLPipeline::sAutoMaskAlphaNonDeferred = false;
-bool	LLPipeline::sRenderTransparentWater = true;
-bool	LLPipeline::sBakeSunlight = false;
-bool	LLPipeline::sNoAlpha = false;
-bool	LLPipeline::sUseFarClip = true;
-bool	LLPipeline::sShadowRender = false;
-bool	LLPipeline::sRenderGlow = false;
-bool	LLPipeline::sReflectionRender = false;
-bool    LLPipeline::sDistortionRender = false;
-bool	LLPipeline::sImpostorRender = false;
-bool	LLPipeline::sImpostorRenderAlphaDepthPass = false;
-bool	LLPipeline::sUnderWaterRender = false;
-bool	LLPipeline::sTextureBindTest = false;
-bool	LLPipeline::sRenderAttachedLights = true;
-bool	LLPipeline::sRenderAttachedParticles = true;
-bool	LLPipeline::sRenderDeferred = false;
-bool	LLPipeline::sReflectionProbesEnabled = false;
-S32		LLPipeline::sVisibleLightCount = 0;
-bool	LLPipeline::sRenderingHUDs;
-F32     LLPipeline::sDistortionWaterClipPlaneMargin = 1.0125f;
-
-// EventHost API LLPipeline listener.
-static LLPipelineListener sPipelineListener;
-
-static LLCullResult* sCull = NULL;
-
-void validate_framebuffer_object();
-
-// Add color attachments for deferred rendering
-// target -- RenderTarget to add attachments to
-bool addDeferredAttachments(LLRenderTarget& target, bool for_impostor = false)
-{
-    bool valid = true
-        && target.addColorAttachment(GL_RGBA) // frag-data[1] specular OR PBR ORM
-        && target.addColorAttachment(GL_RGBA16F)                              // frag_data[2] normal+z+fogmask, See: class1\deferred\materialF.glsl & softenlight
-        && target.addColorAttachment(GL_RGB16F);                  // frag_data[3] PBR emissive
-    return valid;
-}
-
-LLPipeline::LLPipeline() :
-	mBackfaceCull(false),
-	mMatrixOpCount(0),
-	mTextureMatrixOps(0),
-	mNumVisibleNodes(0),
-	mNumVisibleFaces(0),
-	mPoissonOffset(0),
-
-	mInitialized(false),
-	mShadersLoaded(false),
-	mTransformFeedbackPrimitives(0),
-	mRenderDebugFeatureMask(0),
-	mRenderDebugMask(0),
-	mOldRenderDebugMask(0),
-	mMeshDirtyQueryObject(0),
-	mGroupQ1Locked(false),
-	mResetVertexBuffers(false),
-	mLastRebuildPool(NULL),
-	mLightMask(0),
-	mLightMovingMask(0)
-{
-	mNoiseMap = 0;
-	mTrueNoiseMap = 0;
-	mLightFunc = 0;
-
-    for(U32 i = 0; i < 8; i++)
-    {
-        mHWLightColors[i] = LLColor4::black;
-    }
-}
-
-void LLPipeline::connectRefreshCachedSettingsSafe(const std::string name)
-{
-	LLPointer<LLControlVariable> cntrl_ptr = gSavedSettings.getControl(name);
-	if ( cntrl_ptr.isNull() )
-	{
-		LL_WARNS() << "Global setting name not found:" << name << LL_ENDL;
-	}
-	else
-	{
-		cntrl_ptr->getCommitSignal()->connect(boost::bind(&LLPipeline::refreshCachedSettings));
-	}
-}
-
-void LLPipeline::init()
-{
-	refreshCachedSettings();
-
-    mRT = &mMainRT;
-
-	gOctreeMaxCapacity = gSavedSettings.getU32("OctreeMaxNodeCapacity");
-	gOctreeMinSize = gSavedSettings.getF32("OctreeMinimumNodeSize");
-	sDynamicLOD = gSavedSettings.getBOOL("RenderDynamicLOD");
-	sRenderAttachedLights = gSavedSettings.getBOOL("RenderAttachedLights");
-	sRenderAttachedParticles = gSavedSettings.getBOOL("RenderAttachedParticles");
-
-    mInitialized = true;
-	
-	stop_glerror();
-
-	//create render pass pools
-	getPool(LLDrawPool::POOL_ALPHA_PRE_WATER);
-    getPool(LLDrawPool::POOL_ALPHA_POST_WATER);
-	getPool(LLDrawPool::POOL_SIMPLE);
-	getPool(LLDrawPool::POOL_ALPHA_MASK);
-	getPool(LLDrawPool::POOL_FULLBRIGHT_ALPHA_MASK);
-	getPool(LLDrawPool::POOL_GRASS);
-	getPool(LLDrawPool::POOL_FULLBRIGHT);
-	getPool(LLDrawPool::POOL_BUMP);
-	getPool(LLDrawPool::POOL_MATERIALS);
-	getPool(LLDrawPool::POOL_GLOW);
-	getPool(LLDrawPool::POOL_GLTF_PBR);
-    getPool(LLDrawPool::POOL_GLTF_PBR_ALPHA_MASK);
-
-	resetFrameStats();
-
-	if (gSavedSettings.getBOOL("DisableAllRenderFeatures"))
-	{
-		clearAllRenderDebugFeatures();
-	}
-	else
-	{
-		setAllRenderDebugFeatures(); // By default, all debugging features on
-	}
-	clearAllRenderDebugDisplays(); // All debug displays off
-
-	if (gSavedSettings.getBOOL("DisableAllRenderTypes"))
-	{
-		clearAllRenderTypes();
-	}
-	else if (gNonInteractive)
-	{
-		clearAllRenderTypes();
-	}
-	else
-	{
-		setAllRenderTypes(); // By default, all rendering types start enabled
-	}
-
-	// make sure RenderPerformanceTest persists (hackity hack hack)
-	// disables non-object rendering (UI, sky, water, etc)
-	if (gSavedSettings.getBOOL("RenderPerformanceTest"))
-	{
-		gSavedSettings.setBOOL("RenderPerformanceTest", false);
-		gSavedSettings.setBOOL("RenderPerformanceTest", true);
-	}
-
-	mOldRenderDebugMask = mRenderDebugMask;
-
-	mBackfaceCull = true;
-
-	// Enable features
-	LLViewerShaderMgr::instance()->setShaders();
-
-	for (U32 i = 0; i < 2; ++i)
-	{
-		mSpotLightFade[i] = 1.f;
-	}
-
-	if (mCubeVB.isNull())
-	{
-		mCubeVB = ll_create_cube_vb(LLVertexBuffer::MAP_VERTEX);
-	}
-
-	mDeferredVB = new LLVertexBuffer(DEFERRED_VB_MASK);
-	mDeferredVB->allocateBuffer(8, 0);
-
-    {
-        mScreenTriangleVB = new LLVertexBuffer(LLVertexBuffer::MAP_VERTEX);
-        mScreenTriangleVB->allocateBuffer(3, 0);
-        LLStrider<LLVector3> vert;
-        mScreenTriangleVB->getVertexStrider(vert);
-
-        vert[0].set(-1, 1, 0);
-        vert[1].set(-1, -3, 0);
-        vert[2].set(3, 1, 0);
-
-        mScreenTriangleVB->unmapBuffer();
-    }
-
-	//
-	// Update all settings to trigger a cached settings refresh
-	//
-	connectRefreshCachedSettingsSafe("RenderAutoMaskAlphaDeferred");
-	connectRefreshCachedSettingsSafe("RenderAutoMaskAlphaNonDeferred");
-	connectRefreshCachedSettingsSafe("RenderUseFarClip");
-	connectRefreshCachedSettingsSafe("RenderAvatarMaxNonImpostors");
-	connectRefreshCachedSettingsSafe("UseOcclusion");
-	// DEPRECATED -- connectRefreshCachedSettingsSafe("WindLightUseAtmosShaders");
-	// DEPRECATED -- connectRefreshCachedSettingsSafe("RenderDeferred");
-	connectRefreshCachedSettingsSafe("RenderDeferredSunWash");
-	connectRefreshCachedSettingsSafe("RenderFSAASamples");
-	connectRefreshCachedSettingsSafe("RenderResolutionDivisor");
-	connectRefreshCachedSettingsSafe("RenderUIBuffer");
-	connectRefreshCachedSettingsSafe("RenderShadowDetail");
-    connectRefreshCachedSettingsSafe("RenderShadowSplits");
-	connectRefreshCachedSettingsSafe("RenderDeferredSSAO");
-	connectRefreshCachedSettingsSafe("RenderShadowResolutionScale");
-	connectRefreshCachedSettingsSafe("RenderDelayCreation");
-	connectRefreshCachedSettingsSafe("RenderAnimateRes");
-	connectRefreshCachedSettingsSafe("FreezeTime");
-	connectRefreshCachedSettingsSafe("DebugBeaconLineWidth");
-	connectRefreshCachedSettingsSafe("RenderHighlightBrightness");
-	connectRefreshCachedSettingsSafe("RenderHighlightColor");
-	connectRefreshCachedSettingsSafe("RenderHighlightThickness");
-	connectRefreshCachedSettingsSafe("RenderSpotLightsInNondeferred");
-	connectRefreshCachedSettingsSafe("PreviewAmbientColor");
-	connectRefreshCachedSettingsSafe("PreviewDiffuse0");
-	connectRefreshCachedSettingsSafe("PreviewSpecular0");
-	connectRefreshCachedSettingsSafe("PreviewDiffuse1");
-	connectRefreshCachedSettingsSafe("PreviewSpecular1");
-	connectRefreshCachedSettingsSafe("PreviewDiffuse2");
-	connectRefreshCachedSettingsSafe("PreviewSpecular2");
-	connectRefreshCachedSettingsSafe("PreviewDirection0");
-	connectRefreshCachedSettingsSafe("PreviewDirection1");
-	connectRefreshCachedSettingsSafe("PreviewDirection2");
-	connectRefreshCachedSettingsSafe("RenderGlowMaxExtractAlpha");
-	connectRefreshCachedSettingsSafe("RenderGlowWarmthAmount");
-	connectRefreshCachedSettingsSafe("RenderGlowLumWeights");
-	connectRefreshCachedSettingsSafe("RenderGlowWarmthWeights");
-	connectRefreshCachedSettingsSafe("RenderGlowResolutionPow");
-	connectRefreshCachedSettingsSafe("RenderGlowIterations");
-	connectRefreshCachedSettingsSafe("RenderGlowWidth");
-	connectRefreshCachedSettingsSafe("RenderGlowStrength");
-	connectRefreshCachedSettingsSafe("RenderGlowNoise");
-	connectRefreshCachedSettingsSafe("RenderDepthOfField");
-	connectRefreshCachedSettingsSafe("RenderDepthOfFieldInEditMode");
-	connectRefreshCachedSettingsSafe("CameraFocusTransitionTime");
-	connectRefreshCachedSettingsSafe("CameraFNumber");
-	connectRefreshCachedSettingsSafe("CameraFocalLength");
-	connectRefreshCachedSettingsSafe("CameraFieldOfView");
-	connectRefreshCachedSettingsSafe("RenderShadowNoise");
-	connectRefreshCachedSettingsSafe("RenderShadowBlurSize");
-	connectRefreshCachedSettingsSafe("RenderSSAOScale");
-	connectRefreshCachedSettingsSafe("RenderSSAOMaxScale");
-	connectRefreshCachedSettingsSafe("RenderSSAOFactor");
-	connectRefreshCachedSettingsSafe("RenderSSAOEffect");
-	connectRefreshCachedSettingsSafe("RenderShadowOffsetError");
-	connectRefreshCachedSettingsSafe("RenderShadowBiasError");
-	connectRefreshCachedSettingsSafe("RenderShadowOffset");
-	connectRefreshCachedSettingsSafe("RenderShadowBias");
-	connectRefreshCachedSettingsSafe("RenderSpotShadowOffset");
-	connectRefreshCachedSettingsSafe("RenderSpotShadowBias");
-	connectRefreshCachedSettingsSafe("RenderEdgeDepthCutoff");
-	connectRefreshCachedSettingsSafe("RenderEdgeNormCutoff");
-	connectRefreshCachedSettingsSafe("RenderShadowGaussian");
-	connectRefreshCachedSettingsSafe("RenderShadowBlurDistFactor");
-	connectRefreshCachedSettingsSafe("RenderDeferredAtmospheric");
-	connectRefreshCachedSettingsSafe("RenderHighlightFadeTime");
-	connectRefreshCachedSettingsSafe("RenderFarClip");
-	connectRefreshCachedSettingsSafe("RenderShadowSplitExponent");
-	connectRefreshCachedSettingsSafe("RenderShadowErrorCutoff");
-	connectRefreshCachedSettingsSafe("RenderShadowFOVCutoff");
-	connectRefreshCachedSettingsSafe("CameraOffset");
-	connectRefreshCachedSettingsSafe("CameraMaxCoF");
-	connectRefreshCachedSettingsSafe("CameraDoFResScale");
-	connectRefreshCachedSettingsSafe("RenderAutoHideSurfaceAreaLimit");
-    connectRefreshCachedSettingsSafe("RenderScreenSpaceReflections");
-    connectRefreshCachedSettingsSafe("RenderScreenSpaceReflectionIterations");
-    connectRefreshCachedSettingsSafe("RenderScreenSpaceReflectionRayStep");
-    connectRefreshCachedSettingsSafe("RenderScreenSpaceReflectionDistanceBias");
-    connectRefreshCachedSettingsSafe("RenderScreenSpaceReflectionDepthRejectBias");
-    connectRefreshCachedSettingsSafe("RenderScreenSpaceReflectionAdaptiveStepMultiplier");
-    connectRefreshCachedSettingsSafe("RenderScreenSpaceReflectionGlossySamples");
-	connectRefreshCachedSettingsSafe("RenderBufferVisualization");
-	gSavedSettings.getControl("RenderAutoHideSurfaceAreaLimit")->getCommitSignal()->connect(boost::bind(&LLPipeline::refreshCachedSettings));
-}
-
-LLPipeline::~LLPipeline()
-{
-}
-
-void LLPipeline::cleanup()
-{
-	assertInitialized();
-
-	mGroupQ1.clear() ;
-
-	for(pool_set_t::iterator iter = mPools.begin();
-		iter != mPools.end(); )
-	{
-		pool_set_t::iterator curiter = iter++;
-		LLDrawPool* poolp = *curiter;
-		if (poolp->isFacePool())
-		{
-			LLFacePool* face_pool = (LLFacePool*) poolp;
-			if (face_pool->mReferences.empty())
-			{
-				mPools.erase(curiter);
-				removeFromQuickLookup( poolp );
-				delete poolp;
-			}
-		}
-		else
-		{
-			mPools.erase(curiter);
-			removeFromQuickLookup( poolp );
-			delete poolp;
-		}
-	}
-	
-	if (!mTerrainPools.empty())
-	{
-		LL_WARNS() << "Terrain Pools not cleaned up" << LL_ENDL;
-	}
-	if (!mTreePools.empty())
-	{
-		LL_WARNS() << "Tree Pools not cleaned up" << LL_ENDL;
-	}
-		
-	delete mAlphaPoolPreWater;
-    mAlphaPoolPreWater = nullptr;
-    delete mAlphaPoolPostWater;
-    mAlphaPoolPostWater = nullptr;
-	delete mSkyPool;
-	mSkyPool = NULL;
-	delete mTerrainPool;
-	mTerrainPool = NULL;
-	delete mWaterPool;
-	mWaterPool = NULL;
-	delete mSimplePool;
-	mSimplePool = NULL;
-	delete mFullbrightPool;
-	mFullbrightPool = NULL;
-	delete mGlowPool;
-	mGlowPool = NULL;
-	delete mBumpPool;
-	mBumpPool = NULL;
-	// don't delete wl sky pool it was handled above in the for loop
-	//delete mWLSkyPool;
-	mWLSkyPool = NULL;
-
-	releaseGLBuffers();
-
-	mFaceSelectImagep = NULL;
-
-    mMovedList.clear();
-    mMovedBridge.clear();
-    mShiftList.clear();
-
-	mInitialized = false;
-
-	mDeferredVB = NULL;
-    mScreenTriangleVB = nullptr;
-
-	mCubeVB = NULL;
-
-    mReflectionMapManager.cleanup();
-}
-
-//============================================================================
-
-void LLPipeline::destroyGL() 
-{
-	stop_glerror();
-	unloadShaders();
-	mHighlightFaces.clear();
-	
-	resetDrawOrders();
-
-	releaseGLBuffers();
-
-	if (mMeshDirtyQueryObject)
-	{
-		glDeleteQueries(1, &mMeshDirtyQueryObject);
-		mMeshDirtyQueryObject = 0;
-	}
-}
-
-void LLPipeline::requestResizeScreenTexture()
-{
-    gResizeScreenTexture = true;
-}
-
-void LLPipeline::requestResizeShadowTexture()
-{
-    gResizeShadowTexture = true;
-}
-
-void LLPipeline::resizeShadowTexture()
-{
-    releaseSunShadowTargets();
-    releaseSpotShadowTargets();
-    allocateShadowBuffer(mRT->width, mRT->height);
-    gResizeShadowTexture = false;
-}
-
-void LLPipeline::resizeScreenTexture()
-{
-	if (gPipeline.shadersLoaded())
-	{
-		GLuint resX = gViewerWindow->getWorldViewWidthRaw();
-		GLuint resY = gViewerWindow->getWorldViewHeightRaw();
-	
-		if (gResizeScreenTexture || (resX != mRT->screen.getWidth()) || (resY != mRT->screen.getHeight()))
-		{
-			releaseScreenBuffers();
-            releaseSunShadowTargets();
-            releaseSpotShadowTargets();
-		    allocateScreenBuffer(resX,resY);
-            gResizeScreenTexture = false;
-		}
-	}
-}
-
-bool LLPipeline::allocateScreenBuffer(U32 resX, U32 resY)
-{
-    LL_PROFILE_ZONE_SCOPED_CATEGORY_DISPLAY;
-	eFBOStatus ret = doAllocateScreenBuffer(resX, resY);
-
-	return ret == FBO_SUCCESS_FULLRES;
-}
-
-
-LLPipeline::eFBOStatus LLPipeline::doAllocateScreenBuffer(U32 resX, U32 resY)
-{
-    LL_PROFILE_ZONE_SCOPED_CATEGORY_DISPLAY;
-	// try to allocate screen buffers at requested resolution and samples
-	// - on failure, shrink number of samples and try again
-	// - if not multisampled, shrink resolution and try again (favor X resolution over Y)
-	// Make sure to call "releaseScreenBuffers" after each failure to cleanup the partially loaded state
-
-    // refresh cached settings here to protect against inconsistent event handling order
-    refreshCachedSettings();
-
-	U32 samples = RenderFSAASamples;
-
-	eFBOStatus ret = FBO_SUCCESS_FULLRES;
-	if (!allocateScreenBuffer(resX, resY, samples))
-	{
-		//failed to allocate at requested specification, return false
-		ret = FBO_FAILURE;
-
-		releaseScreenBuffers();
-		//reduce number of samples 
-		while (samples > 0)
-		{
-			samples /= 2;
-			if (allocateScreenBuffer(resX, resY, samples))
-			{ //success
-				return FBO_SUCCESS_LOWRES;
-			}
-			releaseScreenBuffers();
-		}
-
-		samples = 0;
-
-		//reduce resolution
-		while (resY > 0 && resX > 0)
-		{
-			resY /= 2;
-			if (allocateScreenBuffer(resX, resY, samples))
-			{
-				return FBO_SUCCESS_LOWRES;
-			}
-			releaseScreenBuffers();
-
-			resX /= 2;
-			if (allocateScreenBuffer(resX, resY, samples))
-			{
-				return FBO_SUCCESS_LOWRES;
-			}
-			releaseScreenBuffers();
-		}
-
-		LL_WARNS() << "Unable to allocate screen buffer at any resolution!" << LL_ENDL;
-	}
-
-	return ret;
-}
-
-bool LLPipeline::allocateScreenBuffer(U32 resX, U32 resY, U32 samples)
-{
-    LL_PROFILE_ZONE_SCOPED_CATEGORY_DISPLAY;
-    if (mRT == &mMainRT && sReflectionProbesEnabled)
-    { // hacky -- allocate auxillary buffer
-        gCubeSnapshot = true;
-        mReflectionMapManager.initReflectionMaps();
-        mRT = &mAuxillaryRT;
-        U32 res = mReflectionMapManager.mProbeResolution * 4;  //multiply by 4 because probes will be 16x super sampled
-        allocateScreenBuffer(res, res, samples);
-        mRT = &mMainRT;
-        gCubeSnapshot = false;
-    }
-
-	// remember these dimensions
-	mRT->width = resX;
-	mRT->height = resY;
-	
-	U32 res_mod = RenderResolutionDivisor;
-
-	if (res_mod > 1 && res_mod < resX && res_mod < resY)
-	{
-		resX /= res_mod;
-		resY /= res_mod;
-	}
-
-    //water reflection texture (always needed as scratch space whether or not transparent water is enabled)
-    mWaterDis.allocate(resX, resY, GL_RGBA16F, true);
-
-	if (RenderUIBuffer)
-	{
-		if (!mRT->uiScreen.allocate(resX,resY, GL_RGBA))
-		{
-			return false;
-		}
-	}	
-
-	S32 shadow_detail = RenderShadowDetail;
-	bool ssao = RenderDeferredSSAO;
-		
-	//allocate deferred rendering color buffers
-	if (!mRT->deferredScreen.allocate(resX, resY, GL_RGBA, true)) return false;
-	if (!addDeferredAttachments(mRT->deferredScreen)) return false;
-	
-	GLuint screenFormat = GL_RGBA16F;
-        
-	if (!mRT->screen.allocate(resX, resY, screenFormat)) return false;
-
-    mRT->deferredScreen.shareDepthBuffer(mRT->screen);
-
-	if (samples > 0)
-	{
-		if (!mRT->fxaaBuffer.allocate(resX, resY, GL_RGBA)) return false;
-	}
-	else
-	{
-		mRT->fxaaBuffer.release();
-	}
-		
-	if (shadow_detail > 0 || ssao || RenderDepthOfField || samples > 0)
-	{ //only need mRT->deferredLight for shadows OR ssao OR dof OR fxaa
-		if (!mRT->deferredLight.allocate(resX, resY, GL_RGBA16F)) return false;
-	}
-	else
-	{
-		mRT->deferredLight.release();
-	}
-
-    allocateShadowBuffer(resX, resY);
-
-    if (!gCubeSnapshot && RenderScreenSpaceReflections) // hack to not allocate mSceneMap for cube snapshots
-    {
-        mSceneMap.allocate(resX, resY, GL_RGB, true);
-    }
-
-	const bool post_hdr = gSavedSettings.getBOOL("RenderPostProcessingHDR");
-    const U32 post_color_fmt = post_hdr ? GL_RGBA16F : GL_RGBA;
-    mPostMap.allocate(resX, resY, post_color_fmt);
-
-    //HACK make screenbuffer allocations start failing after 30 seconds
-    if (gSavedSettings.getBOOL("SimulateFBOFailure"))
-    {
-        return false;
-    }
-
-    gGL.getTexUnit(0)->disable();
-
-	stop_glerror();
-
-	return true;
-}
-
-// must be even to avoid a stripe in the horizontal shadow blur
-inline U32 BlurHappySize(U32 x, F32 scale) { return U32( x * scale + 16.0f) & ~0xF; }
-
-bool LLPipeline::allocateShadowBuffer(U32 resX, U32 resY)
-{
-    LL_PROFILE_ZONE_SCOPED_CATEGORY_DISPLAY;
-    S32 shadow_detail = RenderShadowDetail;
-
-    F32 scale = llmax(0.f, RenderShadowResolutionScale);
-    U32 sun_shadow_map_width = BlurHappySize(resX, scale);
-    U32 sun_shadow_map_height = BlurHappySize(resY, scale);
-
-    if (shadow_detail > 0)
-    { //allocate 4 sun shadow maps
-        for (U32 i = 0; i < 4; i++)
-        {
-            if (!mRT->shadow[i].allocate(sun_shadow_map_width, sun_shadow_map_height, 0, true))
-            {
-                return false;
-            }
-        }
-    }
-    else
-    {
-        for (U32 i = 0; i < 4; i++)
-        {
-            releaseSunShadowTarget(i);
-        }
-    }
-
-    if (!gCubeSnapshot) // hack to not allocate spot shadow maps during ReflectionMapManager init
-    {
-        U32 width = (U32)(resX * scale);
-        U32 height = width;
-
-        if (shadow_detail > 1)
-        { //allocate two spot shadow maps
-            U32 spot_shadow_map_width = width;
-            U32 spot_shadow_map_height = height;
-            for (U32 i = 0; i < 2; i++)
-            {
-                if (!mSpotShadow[i].allocate(spot_shadow_map_width, spot_shadow_map_height, 0, true))
-                {
-                    return false;
-                }
-            }
-        }
-        else
-        {
-            releaseSpotShadowTargets();
-        }
-    }
-
-
-    // set up shadow map filtering and compare modes
-    if (shadow_detail > 0)
-    { 
-        for (U32 i = 0; i < 4; i++)
-        {
-            LLRenderTarget* shadow_target = getSunShadowTarget(i);
-            if (shadow_target)
-            {
-                gGL.getTexUnit(0)->bind(getSunShadowTarget(i), true);
-                gGL.getTexUnit(0)->setTextureFilteringOption(LLTexUnit::TFO_ANISOTROPIC);
-                gGL.getTexUnit(0)->setTextureAddressMode(LLTexUnit::TAM_CLAMP);
-
-                glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_COMPARE_MODE, GL_COMPARE_R_TO_TEXTURE);
-                glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_COMPARE_FUNC, GL_LEQUAL);
-            }
-        }
-    }
-
-    if (shadow_detail > 1 && !gCubeSnapshot)
-    {
-        for (U32 i = 0; i < 2; i++)
-        {
-            LLRenderTarget* shadow_target = getSpotShadowTarget(i);
-            if (shadow_target)
-            {
-                gGL.getTexUnit(0)->bind(shadow_target, true);
-                gGL.getTexUnit(0)->setTextureFilteringOption(LLTexUnit::TFO_ANISOTROPIC);
-                gGL.getTexUnit(0)->setTextureAddressMode(LLTexUnit::TAM_CLAMP);
-
-                glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_COMPARE_MODE, GL_COMPARE_R_TO_TEXTURE);
-                glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_COMPARE_FUNC, GL_LEQUAL);
-            }
-        }
-    }
-
-	return true;
-}
-
-//static
-void LLPipeline::updateRenderTransparentWater()
-{
-    sRenderTransparentWater = gSavedSettings.getBOOL("RenderTransparentWater");
-}
-
-// static
-void LLPipeline::refreshCachedSettings()
-{
-    LL_PROFILE_ZONE_SCOPED_CATEGORY_DISPLAY;
-	LLPipeline::sAutoMaskAlphaDeferred = gSavedSettings.getBOOL("RenderAutoMaskAlphaDeferred");
-	LLPipeline::sAutoMaskAlphaNonDeferred = gSavedSettings.getBOOL("RenderAutoMaskAlphaNonDeferred");
-	LLPipeline::sUseFarClip = gSavedSettings.getBOOL("RenderUseFarClip");
-	LLVOAvatar::sMaxNonImpostors = gSavedSettings.getU32("RenderAvatarMaxNonImpostors");
-	LLVOAvatar::updateImpostorRendering(LLVOAvatar::sMaxNonImpostors);
-
-	LLPipeline::sUseOcclusion = 
-			(!gUseWireframe
-			&& LLFeatureManager::getInstance()->isFeatureAvailable("UseOcclusion") 
-			&& gSavedSettings.getBOOL("UseOcclusion")) ? 2 : 0;
-	
-    WindLightUseAtmosShaders = true; // DEPRECATED -- gSavedSettings.getBOOL("WindLightUseAtmosShaders");
-    RenderDeferred = true; // DEPRECATED -- gSavedSettings.getBOOL("RenderDeferred");
-	RenderDeferredSunWash = gSavedSettings.getF32("RenderDeferredSunWash");
-	RenderFSAASamples = LLFeatureManager::getInstance()->isFeatureAvailable("RenderFSAASamples") ? gSavedSettings.getU32("RenderFSAASamples") : 0;
-	RenderResolutionDivisor = gSavedSettings.getU32("RenderResolutionDivisor");
-	RenderUIBuffer = gSavedSettings.getBOOL("RenderUIBuffer");
-	RenderShadowDetail = gSavedSettings.getS32("RenderShadowDetail");
-    RenderShadowSplits = gSavedSettings.getS32("RenderShadowSplits");
-	RenderDeferredSSAO = gSavedSettings.getBOOL("RenderDeferredSSAO");
-	RenderShadowResolutionScale = gSavedSettings.getF32("RenderShadowResolutionScale");
-	RenderDelayCreation = gSavedSettings.getBOOL("RenderDelayCreation");
-	RenderAnimateRes = gSavedSettings.getBOOL("RenderAnimateRes");
-	FreezeTime = gSavedSettings.getBOOL("FreezeTime");
-	DebugBeaconLineWidth = gSavedSettings.getS32("DebugBeaconLineWidth");
-	RenderHighlightBrightness = gSavedSettings.getF32("RenderHighlightBrightness");
-	RenderHighlightColor = gSavedSettings.getColor4("RenderHighlightColor");
-	RenderHighlightThickness = gSavedSettings.getF32("RenderHighlightThickness");
-	RenderSpotLightsInNondeferred = gSavedSettings.getBOOL("RenderSpotLightsInNondeferred");
-	PreviewAmbientColor = gSavedSettings.getColor4("PreviewAmbientColor");
-	PreviewDiffuse0 = gSavedSettings.getColor4("PreviewDiffuse0");
-	PreviewSpecular0 = gSavedSettings.getColor4("PreviewSpecular0");
-	PreviewDiffuse1 = gSavedSettings.getColor4("PreviewDiffuse1");
-	PreviewSpecular1 = gSavedSettings.getColor4("PreviewSpecular1");
-	PreviewDiffuse2 = gSavedSettings.getColor4("PreviewDiffuse2");
-	PreviewSpecular2 = gSavedSettings.getColor4("PreviewSpecular2");
-	PreviewDirection0 = gSavedSettings.getVector3("PreviewDirection0");
-	PreviewDirection1 = gSavedSettings.getVector3("PreviewDirection1");
-	PreviewDirection2 = gSavedSettings.getVector3("PreviewDirection2");
-	RenderGlowMaxExtractAlpha = gSavedSettings.getF32("RenderGlowMaxExtractAlpha");
-	RenderGlowWarmthAmount = gSavedSettings.getF32("RenderGlowWarmthAmount");
-	RenderGlowLumWeights = gSavedSettings.getVector3("RenderGlowLumWeights");
-	RenderGlowWarmthWeights = gSavedSettings.getVector3("RenderGlowWarmthWeights");
-	RenderGlowResolutionPow = gSavedSettings.getS32("RenderGlowResolutionPow");
-	RenderGlowIterations = gSavedSettings.getS32("RenderGlowIterations");
-	RenderGlowWidth = gSavedSettings.getF32("RenderGlowWidth");
-	RenderGlowStrength = gSavedSettings.getF32("RenderGlowStrength");
-	RenderGlowNoise = gSavedSettings.getBOOL("RenderGlowNoise");
-	RenderDepthOfField = gSavedSettings.getBOOL("RenderDepthOfField");
-	RenderDepthOfFieldInEditMode = gSavedSettings.getBOOL("RenderDepthOfFieldInEditMode");
-	CameraFocusTransitionTime = gSavedSettings.getF32("CameraFocusTransitionTime");
-	CameraFNumber = gSavedSettings.getF32("CameraFNumber");
-	CameraFocalLength = gSavedSettings.getF32("CameraFocalLength");
-	CameraFieldOfView = gSavedSettings.getF32("CameraFieldOfView");
-	RenderShadowNoise = gSavedSettings.getF32("RenderShadowNoise");
-	RenderShadowBlurSize = gSavedSettings.getF32("RenderShadowBlurSize");
-	RenderSSAOScale = gSavedSettings.getF32("RenderSSAOScale");
-	RenderSSAOMaxScale = gSavedSettings.getU32("RenderSSAOMaxScale");
-	RenderSSAOFactor = gSavedSettings.getF32("RenderSSAOFactor");
-	RenderSSAOEffect = gSavedSettings.getVector3("RenderSSAOEffect");
-	RenderShadowOffsetError = gSavedSettings.getF32("RenderShadowOffsetError");
-	RenderShadowBiasError = gSavedSettings.getF32("RenderShadowBiasError");
-	RenderShadowOffset = gSavedSettings.getF32("RenderShadowOffset");
-	RenderShadowBias = gSavedSettings.getF32("RenderShadowBias");
-	RenderSpotShadowOffset = gSavedSettings.getF32("RenderSpotShadowOffset");
-	RenderSpotShadowBias = gSavedSettings.getF32("RenderSpotShadowBias");
-	RenderEdgeDepthCutoff = gSavedSettings.getF32("RenderEdgeDepthCutoff");
-	RenderEdgeNormCutoff = gSavedSettings.getF32("RenderEdgeNormCutoff");
-	RenderShadowGaussian = gSavedSettings.getVector3("RenderShadowGaussian");
-	RenderShadowBlurDistFactor = gSavedSettings.getF32("RenderShadowBlurDistFactor");
-	RenderDeferredAtmospheric = gSavedSettings.getBOOL("RenderDeferredAtmospheric");
-	RenderHighlightFadeTime = gSavedSettings.getF32("RenderHighlightFadeTime");
-	RenderFarClip = gSavedSettings.getF32("RenderFarClip");
-	RenderShadowSplitExponent = gSavedSettings.getVector3("RenderShadowSplitExponent");
-	RenderShadowErrorCutoff = gSavedSettings.getF32("RenderShadowErrorCutoff");
-	RenderShadowFOVCutoff = gSavedSettings.getF32("RenderShadowFOVCutoff");
-	CameraOffset = gSavedSettings.getBOOL("CameraOffset");
-	CameraMaxCoF = gSavedSettings.getF32("CameraMaxCoF");
-	CameraDoFResScale = gSavedSettings.getF32("CameraDoFResScale");
-	RenderAutoHideSurfaceAreaLimit = gSavedSettings.getF32("RenderAutoHideSurfaceAreaLimit");
-    RenderScreenSpaceReflections = gSavedSettings.getBOOL("RenderScreenSpaceReflections");
-    RenderScreenSpaceReflectionIterations = gSavedSettings.getS32("RenderScreenSpaceReflectionIterations");
-    RenderScreenSpaceReflectionRayStep = gSavedSettings.getF32("RenderScreenSpaceReflectionRayStep");
-    RenderScreenSpaceReflectionDistanceBias = gSavedSettings.getF32("RenderScreenSpaceReflectionDistanceBias");
-    RenderScreenSpaceReflectionDepthRejectBias = gSavedSettings.getF32("RenderScreenSpaceReflectionDepthRejectBias");
-    RenderScreenSpaceReflectionAdaptiveStepMultiplier = gSavedSettings.getF32("RenderScreenSpaceReflectionAdaptiveStepMultiplier");
-    RenderScreenSpaceReflectionGlossySamples = gSavedSettings.getS32("RenderScreenSpaceReflectionGlossySamples");
-	RenderBufferVisualization = gSavedSettings.getS32("RenderBufferVisualization");
-    sReflectionProbesEnabled = LLFeatureManager::getInstance()->isFeatureAvailable("RenderReflectionsEnabled") && gSavedSettings.getBOOL("RenderReflectionsEnabled");
-	RenderSpotLight = nullptr;
-
-	if (gNonInteractive)
-	{
-		LLVOAvatar::sMaxNonImpostors = 1;
-		LLVOAvatar::updateImpostorRendering(LLVOAvatar::sMaxNonImpostors);
-	}
-}
-
-void LLPipeline::releaseGLBuffers()
-{
-	assertInitialized();
-	
-	if (mNoiseMap)
-	{
-		LLImageGL::deleteTextures(1, &mNoiseMap);
-		mNoiseMap = 0;
-	}
-
-	if (mTrueNoiseMap)
-	{
-		LLImageGL::deleteTextures(1, &mTrueNoiseMap);
-		mTrueNoiseMap = 0;
-	}
-
-	releaseLUTBuffers();
-
-	mWaterDis.release();
-    mBake.release();
-	
-    mSceneMap.release();
-
-    mPostMap.release();
-
-	for (U32 i = 0; i < 3; i++)
-	{
-		mGlow[i].release();
-	}
-
-	releaseScreenBuffers();
-
-	gBumpImageList.destroyGL();
-	LLVOAvatar::resetImpostors();
-}
-
-void LLPipeline::releaseLUTBuffers()
-{
-	if (mLightFunc)
-	{
-		LLImageGL::deleteTextures(1, &mLightFunc);
-		mLightFunc = 0;
-	}
-
-    mPbrBrdfLut.release();
-
-    mExposureMap.release();
-    mLuminanceMap.release();
-    mLastExposure.release();
-
-}
-
-void LLPipeline::releaseShadowBuffers()
-{
-    releaseSunShadowTargets();
-    releaseSpotShadowTargets();
-}
-
-void LLPipeline::releaseScreenBuffers()
-{
-    mRT->uiScreen.release();
-    mRT->screen.release();
-    mRT->fxaaBuffer.release();
-    mRT->deferredScreen.release();
-    mRT->deferredLight.release();
-}
-
-void LLPipeline::releaseSunShadowTarget(U32 index)
-{
-    llassert(index < 4);
-    mRT->shadow[index].release();
-}
-
-void LLPipeline::releaseSunShadowTargets()
-{
-	for (U32 i = 0; i < 4; i++)
-	{
-        releaseSunShadowTarget(i);
-	}
-}
-
-void LLPipeline::releaseSpotShadowTargets()
-{
-    if (!gCubeSnapshot) // hack to avoid freeing spot shadows during ReflectionMapManager init
-    {
-        for (U32 i = 0; i < 2; i++)
-        {
-            mSpotShadow[i].release();
-        }
-    }
-}
-
-void LLPipeline::createGLBuffers()
-{
-    LL_PROFILE_ZONE_SCOPED_CATEGORY_PIPELINE;
-    stop_glerror();
-	assertInitialized();
-
-    // Use FBO for bake tex
-    mBake.allocate(512, 512, GL_RGBA, true); // SL-12781 Build > Upload > Model; 3D Preview
-
-	stop_glerror();
-
-	GLuint resX = gViewerWindow->getWorldViewWidthRaw();
-	GLuint resY = gViewerWindow->getWorldViewHeightRaw();
-
-    // allocate screen space glow buffers
-    const U32 glow_res = llmax(1, llmin(512, 1 << gSavedSettings.getS32("RenderGlowResolutionPow")));
-	const bool glow_hdr = gSavedSettings.getBOOL("RenderGlowHDR");
-    const U32 glow_color_fmt = glow_hdr ? GL_RGBA16F : GL_RGBA;
-    for (U32 i = 0; i < 3; i++)
-    {
-        mGlow[i].allocate(512, glow_res, glow_color_fmt);
-    }
-
-    allocateScreenBuffer(resX, resY);
-    mRT->width = 0;
-    mRT->height = 0;
-
-    
-	if (!mNoiseMap)
-	{
-		const U32 noiseRes = 128;
-		LLVector3 noise[noiseRes*noiseRes];
-
-		F32 scaler = gSavedSettings.getF32("RenderDeferredNoise")/100.f;
-		for (U32 i = 0; i < noiseRes*noiseRes; ++i)
-		{
-			noise[i] = LLVector3(ll_frand()-0.5f, ll_frand()-0.5f, 0.f);
-			noise[i].normVec();
-			noise[i].mV[2] = ll_frand()*scaler+1.f-scaler/2.f;
-		}
-
-		LLImageGL::generateTextures(1, &mNoiseMap);
-			
-		gGL.getTexUnit(0)->bindManual(LLTexUnit::TT_TEXTURE, mNoiseMap);
-		LLImageGL::setManualImage(LLTexUnit::getInternalType(LLTexUnit::TT_TEXTURE), 0, GL_RGB16F, noiseRes, noiseRes, GL_RGB, GL_FLOAT, noise, false);
-		gGL.getTexUnit(0)->setTextureFilteringOption(LLTexUnit::TFO_POINT);
-	}
-
-	if (!mTrueNoiseMap)
-	{
-		const U32 noiseRes = 128;
-		F32 noise[noiseRes*noiseRes*3];
-		for (U32 i = 0; i < noiseRes*noiseRes*3; i++)
-		{
-			noise[i] = ll_frand()*2.0-1.0;
-		}
-
-		LLImageGL::generateTextures(1, &mTrueNoiseMap);
-		gGL.getTexUnit(0)->bindManual(LLTexUnit::TT_TEXTURE, mTrueNoiseMap);
-		LLImageGL::setManualImage(LLTexUnit::getInternalType(LLTexUnit::TT_TEXTURE), 0, GL_RGB16F, noiseRes, noiseRes, GL_RGB,GL_FLOAT, noise, false);
-		gGL.getTexUnit(0)->setTextureFilteringOption(LLTexUnit::TFO_POINT);
-	}
-
-	createLUTBuffers();
-
-	gBumpImageList.restoreGL();
-}
-
-F32 lerpf(F32 a, F32 b, F32 w)
-{
-	return a + w * (b - a);
-}
-
-void LLPipeline::createLUTBuffers()
-{
-	if (!mLightFunc)
-	{
-		U32 lightResX = gSavedSettings.getU32("RenderSpecularResX");
-		U32 lightResY = gSavedSettings.getU32("RenderSpecularResY");
-		F32* ls = new F32[lightResX*lightResY];
-		F32 specExp = gSavedSettings.getF32("RenderSpecularExponent");
-        // Calculate the (normalized) blinn-phong specular lookup texture. (with a few tweaks)
-		for (U32 y = 0; y < lightResY; ++y)
-		{
-			for (U32 x = 0; x < lightResX; ++x)
-			{
-				ls[y*lightResX+x] = 0;
-				F32 sa = (F32) x/(lightResX-1);
-				F32 spec = (F32) y/(lightResY-1);
-				F32 n = spec * spec * specExp;
-					
-				// Nothing special here.  Just your typical blinn-phong term.
-				spec = powf(sa, n);
-					
-				// Apply our normalization function.
-				// Note: This is the full equation that applies the full normalization curve, not an approximation.
-				// This is fine, given we only need to create our LUT once per buffer initialization.
-				spec *= (((n + 2) * (n + 4)) / (8 * F_PI * (powf(2, -n/2) + n)));
-
-				// Since we use R16F, we no longer have a dynamic range issue we need to work around here.
-				// Though some older drivers may not like this, newer drivers shouldn't have this problem.
-				ls[y*lightResX+x] = spec;
-			}
-		}
-			
-		U32 pix_format = GL_R16F;
-#if LL_DARWIN
-		// Need to work around limited precision with 10.6.8 and older drivers
-		//
-		pix_format = GL_R32F;
-#endif
-		LLImageGL::generateTextures(1, &mLightFunc);
-		gGL.getTexUnit(0)->bindManual(LLTexUnit::TT_TEXTURE, mLightFunc);
-		LLImageGL::setManualImage(LLTexUnit::getInternalType(LLTexUnit::TT_TEXTURE), 0, pix_format, lightResX, lightResY, GL_RED, GL_FLOAT, ls, false);
-		gGL.getTexUnit(0)->setTextureAddressMode(LLTexUnit::TAM_CLAMP);
-		gGL.getTexUnit(0)->setTextureFilteringOption(LLTexUnit::TFO_TRILINEAR);
-		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
-		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
-			
-		delete [] ls;
-	}
-
-    mPbrBrdfLut.allocate(512, 512, GL_RG16F);
-    mPbrBrdfLut.bindTarget();
-    gDeferredGenBrdfLutProgram.bind();
-
-    gGL.begin(LLRender::TRIANGLE_STRIP);
-    gGL.vertex2f(-1, -1);
-    gGL.vertex2f(-1, 1);
-    gGL.vertex2f(1, -1);
-    gGL.vertex2f(1, 1);
-    gGL.end();
-    gGL.flush();
-
-    gDeferredGenBrdfLutProgram.unbind();
-    mPbrBrdfLut.flush();
-
-    mExposureMap.allocate(1, 1, GL_R16F);
-    mExposureMap.bindTarget();
-    glClearColor(1, 1, 1, 0);
-    mExposureMap.clear();
-    glClearColor(0, 0, 0, 0);
-    mExposureMap.flush();
-
-    mLuminanceMap.allocate(256, 256, GL_R16F, false, LLTexUnit::TT_TEXTURE, LLTexUnit::TMG_AUTO);
-
-    mLastExposure.allocate(1, 1, GL_R16F);
-}
-
-
-void LLPipeline::restoreGL()
-{
-	assertInitialized();
-
-	LLViewerShaderMgr::instance()->setShaders();
-
-	for (LLWorld::region_list_t::const_iterator iter = LLWorld::getInstance()->getRegionList().begin(); 
-			iter != LLWorld::getInstance()->getRegionList().end(); ++iter)
-	{
-		LLViewerRegion* region = *iter;
-		for (U32 i = 0; i < LLViewerRegion::NUM_PARTITIONS; i++)
-		{
-			LLSpatialPartition* part = region->getSpatialPartition(i);
-			if (part)
-			{
-				part->restoreGL();
-		}
-		}
-	}
-}
-
-bool LLPipeline::shadersLoaded()
-{
-    return (assertInitialized() && mShadersLoaded);
-}
-
-bool LLPipeline::canUseWindLightShaders() const
-{
-    return true;
-}
-
-bool LLPipeline::canUseAntiAliasing() const
-{
-	return true;
-}
-
-void LLPipeline::unloadShaders()
-{
-	LLViewerShaderMgr::instance()->unloadShaders();
-	mShadersLoaded = false;
-}
-
-void LLPipeline::assertInitializedDoError()
-{
-	LL_ERRS() << "LLPipeline used when uninitialized." << LL_ENDL;
-}
-
-//============================================================================
-
-void LLPipeline::enableShadows(const bool enable_shadows)
-{
-	//should probably do something here to wrangle shadows....	
-}
-
-class LLOctreeDirtyTexture : public OctreeTraveler
-{
-public:
-	const std::set<LLViewerFetchedTexture*>& mTextures;
-
-	LLOctreeDirtyTexture(const std::set<LLViewerFetchedTexture*>& textures) : mTextures(textures) { }
-
-	virtual void visit(const OctreeNode* node)
-	{
-		LLSpatialGroup* group = (LLSpatialGroup*) node->getListener(0);
-
-		if (!group->hasState(LLSpatialGroup::GEOM_DIRTY) && !group->isEmpty())
-		{
-			for (LLSpatialGroup::draw_map_t::iterator i = group->mDrawMap.begin(); i != group->mDrawMap.end(); ++i)
-			{
-				for (LLSpatialGroup::drawmap_elem_t::iterator j = i->second.begin(); j != i->second.end(); ++j) 
-				{
-					LLDrawInfo* params = *j;
-					LLViewerFetchedTexture* tex = LLViewerTextureManager::staticCastToFetchedTexture(params->mTexture);
-					if (tex && mTextures.find(tex) != mTextures.end())
-					{ 
-						group->setState(LLSpatialGroup::GEOM_DIRTY);
-					}
-				}
-			}
-		}
-
-		for (LLSpatialGroup::bridge_list_t::iterator i = group->mBridgeList.begin(); i != group->mBridgeList.end(); ++i)
-		{
-			LLSpatialBridge* bridge = *i;
-			traverse(bridge->mOctree);
-		}
-	}
-};
-
-// Called when a texture changes # of channels (causes faces to move to alpha pool)
-void LLPipeline::dirtyPoolObjectTextures(const std::set<LLViewerFetchedTexture*>& textures)
-{
-    LL_PROFILE_ZONE_SCOPED_CATEGORY_PIPELINE;
-	assertInitialized();
-
-	// *TODO: This is inefficient and causes frame spikes; need a better way to do this
-	//        Most of the time is spent in dirty.traverse.
-
-	for (pool_set_t::iterator iter = mPools.begin(); iter != mPools.end(); ++iter)
-	{
-		LLDrawPool *poolp = *iter;
-		if (poolp->isFacePool())
-		{
-			((LLFacePool*) poolp)->dirtyTextures(textures);
-		}
-	}
-	
-	LLOctreeDirtyTexture dirty(textures);
-	for (LLWorld::region_list_t::const_iterator iter = LLWorld::getInstance()->getRegionList().begin(); 
-			iter != LLWorld::getInstance()->getRegionList().end(); ++iter)
-	{
-		LLViewerRegion* region = *iter;
-		for (U32 i = 0; i < LLViewerRegion::NUM_PARTITIONS; i++)
-		{
-			LLSpatialPartition* part = region->getSpatialPartition(i);
-			if (part)
-			{
-				dirty.traverse(part->mOctree);
-			}
-		}
-	}
-}
-
-LLDrawPool *LLPipeline::findPool(const U32 type, LLViewerTexture *tex0)
-{
-	assertInitialized();
-
-	LLDrawPool *poolp = NULL;
-	switch( type )
-	{
-	case LLDrawPool::POOL_SIMPLE:
-		poolp = mSimplePool;
-		break;
-
-	case LLDrawPool::POOL_GRASS:
-		poolp = mGrassPool;
-		break;
-
-	case LLDrawPool::POOL_ALPHA_MASK:
-		poolp = mAlphaMaskPool;
-		break;
-
-	case LLDrawPool::POOL_FULLBRIGHT_ALPHA_MASK:
-		poolp = mFullbrightAlphaMaskPool;
-		break;
-
-	case LLDrawPool::POOL_FULLBRIGHT:
-		poolp = mFullbrightPool;
-		break;
-
-	case LLDrawPool::POOL_GLOW:
-		poolp = mGlowPool;
-		break;
-
-	case LLDrawPool::POOL_TREE:
-		poolp = get_if_there(mTreePools, (uintptr_t)tex0, (LLDrawPool*)0 );
-		break;
-
-	case LLDrawPool::POOL_TERRAIN:
-		poolp = get_if_there(mTerrainPools, (uintptr_t)tex0, (LLDrawPool*)0 );
-		break;
-
-	case LLDrawPool::POOL_BUMP:
-		poolp = mBumpPool;
-		break;
-	case LLDrawPool::POOL_MATERIALS:
-		poolp = mMaterialsPool;
-		break;
-	case LLDrawPool::POOL_ALPHA_PRE_WATER:
-		poolp = mAlphaPoolPreWater;
-		break;
-    case LLDrawPool::POOL_ALPHA_POST_WATER:
-        poolp = mAlphaPoolPostWater;
-        break;
-
-	case LLDrawPool::POOL_AVATAR:
-	case LLDrawPool::POOL_CONTROL_AV:
-		break; // Do nothing
-
-	case LLDrawPool::POOL_SKY:
-		poolp = mSkyPool;
-		break;
-
-	case LLDrawPool::POOL_WATER:
-		poolp = mWaterPool;
-		break;
-
-	case LLDrawPool::POOL_WL_SKY:
-		poolp = mWLSkyPool;
-		break;
-
-	case LLDrawPool::POOL_GLTF_PBR:
-		poolp = mPBROpaquePool;
-		break;
-    case LLDrawPool::POOL_GLTF_PBR_ALPHA_MASK:
-        poolp = mPBRAlphaMaskPool;
-        break;
-
-	default:
-		llassert(0);
-		LL_ERRS() << "Invalid Pool Type in  LLPipeline::findPool() type=" << type << LL_ENDL;
-		break;
-	}
-
-	return poolp;
-}
-
-
-LLDrawPool *LLPipeline::getPool(const U32 type,	LLViewerTexture *tex0)
-{
-	LLDrawPool *poolp = findPool(type, tex0);
-	if (poolp)
-	{
-		return poolp;
-	}
-
-	LLDrawPool *new_poolp = LLDrawPool::createPool(type, tex0);
-	addPool( new_poolp );
-
-	return new_poolp;
-}
-
-
-// static
-LLDrawPool* LLPipeline::getPoolFromTE(const LLTextureEntry* te, LLViewerTexture* imagep)
-{
-	U32 type = getPoolTypeFromTE(te, imagep);
-	return gPipeline.getPool(type, imagep);
-}
-
-//static 
-U32 LLPipeline::getPoolTypeFromTE(const LLTextureEntry* te, LLViewerTexture* imagep)
-{
-	if (!te || !imagep)
-	{
-		return 0;
-	}
-		
-	LLMaterial* mat = te->getMaterialParams().get();
-    LLGLTFMaterial* gltf_mat = te->getGLTFRenderMaterial();
-
-	bool color_alpha = te->getColor().mV[3] < 0.999f;
-	bool alpha = color_alpha;
-	if (imagep)
-	{
-		alpha = alpha || (imagep->getComponents() == 4 && imagep->getType() != LLViewerTexture::MEDIA_TEXTURE) || (imagep->getComponents() == 2);
-	}
-
-	if (alpha && mat)
-	{
-		switch (mat->getDiffuseAlphaMode())
-		{
-			case 1:
-				alpha = true; // Material's alpha mode is set to blend.  Toss it into the alpha draw pool.
-				break;
-			case 0: //alpha mode set to none, never go to alpha pool
-			case 3: //alpha mode set to emissive, never go to alpha pool
-				alpha = color_alpha;
-				break;
-			default: //alpha mode set to "mask", go to alpha pool if fullbright
-				alpha = color_alpha; // Material's alpha mode is set to none, mask, or emissive.  Toss it into the opaque material draw pool.
-				break;
-		}
-	}
-	
-	if (alpha || (gltf_mat && gltf_mat->mAlphaMode == LLGLTFMaterial::ALPHA_MODE_BLEND))
-	{
-		return LLDrawPool::POOL_ALPHA;
-	}
-	else if ((te->getBumpmap() || te->getShiny()) && (!mat || mat->getNormalID().isNull()))
-	{
-		return LLDrawPool::POOL_BUMP;
-	}
-    else if (gltf_mat)
-    {
-        return LLDrawPool::POOL_GLTF_PBR;
-    }
-	else if (mat && !alpha)
-	{
-		return LLDrawPool::POOL_MATERIALS;
-	}
-	else
-	{
-		return LLDrawPool::POOL_SIMPLE;
-	}
-}
-
-
-void LLPipeline::addPool(LLDrawPool *new_poolp)
-{
-	assertInitialized();
-	mPools.insert(new_poolp);
-	addToQuickLookup( new_poolp );
-}
-
-void LLPipeline::allocDrawable(LLViewerObject *vobj)
-{
-	LLDrawable *drawable = new LLDrawable(vobj);
-	vobj->mDrawable = drawable;
-	
-	//encompass completely sheared objects by taking 
-	//the most extreme point possible (<1,1,0.5>)
-	drawable->setRadius(LLVector3(1,1,0.5f).scaleVec(vobj->getScale()).length());
-	if (vobj->isOrphaned())
-	{
-		drawable->setState(LLDrawable::FORCE_INVISIBLE);
-	}
-	drawable->updateXform(true);
-}
-
-
-void LLPipeline::unlinkDrawable(LLDrawable *drawable)
-{
-    LL_PROFILE_ZONE_SCOPED_CATEGORY_PIPELINE;
-
-	assertInitialized();
-
-	LLPointer<LLDrawable> drawablep = drawable; // make sure this doesn't get deleted before we are done
-	
-	// Based on flags, remove the drawable from the queues that it's on.
-	if (drawablep->isState(LLDrawable::ON_MOVE_LIST))
-	{
-		LLDrawable::drawable_vector_t::iterator iter = std::find(mMovedList.begin(), mMovedList.end(), drawablep);
-		if (iter != mMovedList.end())
-		{
-			mMovedList.erase(iter);
-		}
-	}
-
-	if (drawablep->getSpatialGroup())
-	{
-		if (!drawablep->getSpatialGroup()->getSpatialPartition()->remove(drawablep, drawablep->getSpatialGroup()))
-		{
-#ifdef LL_RELEASE_FOR_DOWNLOAD
-			LL_WARNS() << "Couldn't remove object from spatial group!" << LL_ENDL;
-#else
-			LL_ERRS() << "Couldn't remove object from spatial group!" << LL_ENDL;
-#endif
-		}
-	}
-
-	mLights.erase(drawablep);
-
-	for (light_set_t::iterator iter = mNearbyLights.begin();
-				iter != mNearbyLights.end(); iter++)
-	{
-		if (iter->drawable == drawablep)
-		{
-			mNearbyLights.erase(iter);
-			break;
-		}
-	}
-
-	for (U32 i = 0; i < 2; ++i)
-	{
-		if (mShadowSpotLight[i] == drawablep)
-		{
-			mShadowSpotLight[i] = NULL;
-		}
-
-		if (mTargetShadowSpotLight[i] == drawablep)
-		{
-			mTargetShadowSpotLight[i] = NULL;
-		}
-	}
-}
-
-//static
-void LLPipeline::removeMutedAVsLights(LLVOAvatar* muted_avatar)
-{
-    LL_PROFILE_ZONE_SCOPED_CATEGORY_PIPELINE;
-    light_set_t::iterator iter = gPipeline.mNearbyLights.begin();
-    while (iter != gPipeline.mNearbyLights.end())
-    {
-        const LLViewerObject* vobj = iter->drawable->getVObj();
-        if (vobj
-            && vobj->getAvatar()
-            && vobj->isAttachment()
-            && vobj->getAvatar() == muted_avatar)
-        {
-            gPipeline.mLights.erase(iter->drawable);
-            iter = gPipeline.mNearbyLights.erase(iter);
-        }
-        else
-        {
-            iter++;
-        }
-    }
-}
-
-U32 LLPipeline::addObject(LLViewerObject *vobj)
-{
-	if (RenderDelayCreation)
-	{
-		mCreateQ.push_back(vobj);
-	}
-	else
-	{
-		createObject(vobj);
-	}
-
-	return 1;
-}
-
-void LLPipeline::createObjects(F32 max_dtime)
-{
-    LL_PROFILE_ZONE_SCOPED_CATEGORY_PIPELINE;
-
-	LLTimer update_timer;
-
-	while (!mCreateQ.empty() && update_timer.getElapsedTimeF32() < max_dtime)
-	{
-		LLViewerObject* vobj = mCreateQ.front();
-		if (!vobj->isDead())
-		{
-			createObject(vobj);
-		}
-		mCreateQ.pop_front();
-	}
-	
-	//for (LLViewerObject::vobj_list_t::iterator iter = mCreateQ.begin(); iter != mCreateQ.end(); ++iter)
-	//{
-	//	createObject(*iter);
-	//}
-
-	//mCreateQ.clear();
-}
-
-void LLPipeline::createObject(LLViewerObject* vobj)
-{
-    LL_PROFILE_ZONE_SCOPED_CATEGORY_PIPELINE;
-	LLDrawable* drawablep = vobj->mDrawable;
-
-	if (!drawablep)
-	{
-		drawablep = vobj->createDrawable(this);
-	}
-	else
-	{
-		LL_ERRS() << "Redundant drawable creation!" << LL_ENDL;
-	}
-		
-	llassert(drawablep);
-
-	if (vobj->getParent())
-	{
-		vobj->setDrawableParent(((LLViewerObject*)vobj->getParent())->mDrawable); // LLPipeline::addObject 1
-	}
-	else
-	{
-		vobj->setDrawableParent(NULL); // LLPipeline::addObject 2
-	}
-
-	markRebuild(drawablep, LLDrawable::REBUILD_ALL);
-
-	if (drawablep->getVOVolume() && RenderAnimateRes)
-	{
-		// fun animated res
-		drawablep->updateXform(true);
-		drawablep->clearState(LLDrawable::MOVE_UNDAMPED);
-		drawablep->setScale(LLVector3(0,0,0));
-		drawablep->makeActive();
-	}
-}
-
-
-void LLPipeline::resetFrameStats()
-{
-    LL_PROFILE_ZONE_SCOPED_CATEGORY_PIPELINE;
-	assertInitialized();
-
-	sCompiles        = 0;
-	mNumVisibleFaces = 0;
-
-	if (mOldRenderDebugMask != mRenderDebugMask)
-	{
-		gObjectList.clearDebugText();
-		mOldRenderDebugMask = mRenderDebugMask;
-	}
-}
-
-//external functions for asynchronous updating
-void LLPipeline::updateMoveDampedAsync(LLDrawable* drawablep)
-{
-    LL_PROFILE_ZONE_SCOPED;
-	if (FreezeTime)
-	{
-		return;
-	}
-	if (!drawablep)
-	{
-		LL_ERRS() << "updateMove called with NULL drawablep" << LL_ENDL;
-		return;
-	}
-	if (drawablep->isState(LLDrawable::EARLY_MOVE))
-	{
-		return;
-	}
-
-	assertInitialized();
-
-	// update drawable now
-	drawablep->clearState(LLDrawable::MOVE_UNDAMPED); // force to DAMPED
-	drawablep->updateMove(); // returns done
-	drawablep->setState(LLDrawable::EARLY_MOVE); // flag says we already did an undamped move this frame
-	// Put on move list so that EARLY_MOVE gets cleared
-	if (!drawablep->isState(LLDrawable::ON_MOVE_LIST))
-	{
-		mMovedList.push_back(drawablep);
-		drawablep->setState(LLDrawable::ON_MOVE_LIST);
-	}
-}
-
-void LLPipeline::updateMoveNormalAsync(LLDrawable* drawablep)
-{
-    LL_PROFILE_ZONE_SCOPED;
-	if (FreezeTime)
-	{
-		return;
-	}
-	if (!drawablep)
-	{
-		LL_ERRS() << "updateMove called with NULL drawablep" << LL_ENDL;
-		return;
-	}
-	if (drawablep->isState(LLDrawable::EARLY_MOVE))
-	{
-		return;
-	}
-
-	assertInitialized();
-
-	// update drawable now
-	drawablep->setState(LLDrawable::MOVE_UNDAMPED); // force to UNDAMPED
-	drawablep->updateMove();
-	drawablep->setState(LLDrawable::EARLY_MOVE); // flag says we already did an undamped move this frame
-	// Put on move list so that EARLY_MOVE gets cleared
-	if (!drawablep->isState(LLDrawable::ON_MOVE_LIST))
-	{
-		mMovedList.push_back(drawablep);
-		drawablep->setState(LLDrawable::ON_MOVE_LIST);
-	}
-}
-
-void LLPipeline::updateMovedList(LLDrawable::drawable_vector_t& moved_list)
-{
-    LL_PROFILE_ZONE_SCOPED;
-	for (LLDrawable::drawable_vector_t::iterator iter = moved_list.begin();
-		 iter != moved_list.end(); )
-	{
-		LLDrawable::drawable_vector_t::iterator curiter = iter++;
-		LLDrawable *drawablep = *curiter;
-		bool done = true;
-		if (!drawablep->isDead() && (!drawablep->isState(LLDrawable::EARLY_MOVE)))
-		{
-			done = drawablep->updateMove();
-		}
-		drawablep->clearState(LLDrawable::EARLY_MOVE | LLDrawable::MOVE_UNDAMPED);
-		if (done)
-		{
-			if (drawablep->isRoot() && !drawablep->isState(LLDrawable::ACTIVE))
-			{
-				drawablep->makeStatic();
-			}
-			drawablep->clearState(LLDrawable::ON_MOVE_LIST);
-			if (drawablep->isState(LLDrawable::ANIMATED_CHILD))
-			{ //will likely not receive any future world matrix updates
-				// -- this keeps attachments from getting stuck in space and falling off your avatar
-				drawablep->clearState(LLDrawable::ANIMATED_CHILD);
-				markRebuild(drawablep, LLDrawable::REBUILD_VOLUME);
-				if (drawablep->getVObj())
-				{
-					drawablep->getVObj()->dirtySpatialGroup();
-				}
-			}
-			iter = moved_list.erase(curiter);
-		}
-	}
-}
-
-void LLPipeline::updateMove()
-{
-    LL_PROFILE_ZONE_SCOPED_CATEGORY_PIPELINE;
-
-	if (FreezeTime)
-	{
-		return;
-	}
-
-	assertInitialized();
-
-	for (LLDrawable::drawable_set_t::iterator iter = mRetexturedList.begin();
-			iter != mRetexturedList.end(); ++iter)
-	{
-		LLDrawable* drawablep = *iter;
-		if (drawablep && !drawablep->isDead())
-		{
-			drawablep->updateTexture();
-		}
-	}
-	mRetexturedList.clear();
-
-	updateMovedList(mMovedList);
-
-	//balance octrees
-	for (LLWorld::region_list_t::const_iterator iter = LLWorld::getInstance()->getRegionList().begin(); 
-		iter != LLWorld::getInstance()->getRegionList().end(); ++iter)
-	{
-		LLViewerRegion* region = *iter;
-		for (U32 i = 0; i < LLViewerRegion::NUM_PARTITIONS; i++)
-		{
-			LLSpatialPartition* part = region->getSpatialPartition(i);
-			if (part)
-			{
-				part->mOctree->balance();
-			}
-		}
-
-		//balance the VO Cache tree
-		LLVOCachePartition* vo_part = region->getVOCachePartition();
-		if(vo_part)
-		{
-			vo_part->mOctree->balance();
-		}
-	}
-}
-
-/////////////////////////////////////////////////////////////////////////////
-// Culling and occlusion testing
-/////////////////////////////////////////////////////////////////////////////
-
-//static
-F32 LLPipeline::calcPixelArea(LLVector3 center, LLVector3 size, LLCamera &camera)
-{
-    llassert(!gCubeSnapshot); // shouldn't be doing ANY of this during cube snap shots
-	LLVector3 lookAt = center - camera.getOrigin();
-	F32 dist = lookAt.length();
-
-	//ramp down distance for nearby objects
-	//shrink dist by dist/16.
-	if (dist < 16.f)
-	{
-		dist /= 16.f;
-		dist *= dist;
-		dist *= 16.f;
-	}
-
-	//get area of circle around node
-	F32 app_angle = atanf(size.length()/dist);
-	F32 radius = app_angle*LLDrawable::sCurPixelAngle;
-	return radius*radius * F_PI;
-}
-
-//static
-F32 LLPipeline::calcPixelArea(const LLVector4a& center, const LLVector4a& size, LLCamera &camera)
-{
-	LLVector4a origin;
-	origin.load3(camera.getOrigin().mV);
-
-	LLVector4a lookAt;
-	lookAt.setSub(center, origin);
-	F32 dist = lookAt.getLength3().getF32();
-
-	//ramp down distance for nearby objects
-	//shrink dist by dist/16.
-	if (dist < 16.f)
-	{
-		dist /= 16.f;
-		dist *= dist;
-		dist *= 16.f;
-	}
-
-	//get area of circle around node
-	F32 app_angle = atanf(size.getLength3().getF32()/dist);
-	F32 radius = app_angle*LLDrawable::sCurPixelAngle;
-	return radius*radius * F_PI;
-}
-
-void LLPipeline::grabReferences(LLCullResult& result)
-{
-	sCull = &result;
-}
-
-void LLPipeline::clearReferences()
-{
-    LL_PROFILE_ZONE_SCOPED_CATEGORY_PIPELINE;
-	sCull = NULL;
-	mGroupSaveQ1.clear();
-}
-
-void check_references(LLSpatialGroup* group, LLDrawable* drawable)
-{
-	for (LLSpatialGroup::element_iter i = group->getDataBegin(); i != group->getDataEnd(); ++i)
-	{
-        LLDrawable* drawablep = (LLDrawable*)(*i)->getDrawable();
-		if (drawable == drawablep)
-		{
-			LL_ERRS() << "LLDrawable deleted while actively reference by LLPipeline." << LL_ENDL;
-		}
-	}			
-}
-
-void check_references(LLDrawable* drawable, LLFace* face)
-{
-	for (S32 i = 0; i < drawable->getNumFaces(); ++i)
-	{
-		if (drawable->getFace(i) == face)
-		{
-			LL_ERRS() << "LLFace deleted while actively referenced by LLPipeline." << LL_ENDL;
-		}
-	}
-}
-
-void check_references(LLSpatialGroup* group, LLFace* face)
-{
-	for (LLSpatialGroup::element_iter i = group->getDataBegin(); i != group->getDataEnd(); ++i)
-	{
-		LLDrawable* drawable = (LLDrawable*)(*i)->getDrawable();
-		if(drawable)
-		{
-		check_references(drawable, face);
-	}			
-}
-}
-
-void LLPipeline::checkReferences(LLFace* face)
-{
-#if 0
-	if (sCull)
-	{
-		for (LLCullResult::sg_iterator iter = sCull->beginVisibleGroups(); iter != sCull->endVisibleGroups(); ++iter)
-		{
-			LLSpatialGroup* group = *iter;
-			check_references(group, face);
-		}
-
-		for (LLCullResult::sg_iterator iter = sCull->beginAlphaGroups(); iter != sCull->endAlphaGroups(); ++iter)
-		{
-			LLSpatialGroup* group = *iter;
-			check_references(group, face);
-		}
-
-		for (LLCullResult::sg_iterator iter = sCull->beginDrawableGroups(); iter != sCull->endDrawableGroups(); ++iter)
-		{
-			LLSpatialGroup* group = *iter;
-			check_references(group, face);
-		}
-
-		for (LLCullResult::drawable_iterator iter = sCull->beginVisibleList(); iter != sCull->endVisibleList(); ++iter)
-		{
-			LLDrawable* drawable = *iter;
-			check_references(drawable, face);	
-		}
-	}
-#endif
-}
-
-void LLPipeline::checkReferences(LLDrawable* drawable)
-{
-#if 0
-	if (sCull)
-	{
-		for (LLCullResult::sg_iterator iter = sCull->beginVisibleGroups(); iter != sCull->endVisibleGroups(); ++iter)
-		{
-			LLSpatialGroup* group = *iter;
-			check_references(group, drawable);
-		}
-
-		for (LLCullResult::sg_iterator iter = sCull->beginAlphaGroups(); iter != sCull->endAlphaGroups(); ++iter)
-		{
-			LLSpatialGroup* group = *iter;
-			check_references(group, drawable);
-		}
-
-		for (LLCullResult::sg_iterator iter = sCull->beginDrawableGroups(); iter != sCull->endDrawableGroups(); ++iter)
-		{
-			LLSpatialGroup* group = *iter;
-			check_references(group, drawable);
-		}
-
-		for (LLCullResult::drawable_iterator iter = sCull->beginVisibleList(); iter != sCull->endVisibleList(); ++iter)
-		{
-			if (drawable == *iter)
-			{
-				LL_ERRS() << "LLDrawable deleted while actively referenced by LLPipeline." << LL_ENDL;
-			}
-		}
-	}
-#endif
-}
-
-void check_references(LLSpatialGroup* group, LLDrawInfo* draw_info)
-{
-	for (LLSpatialGroup::draw_map_t::iterator i = group->mDrawMap.begin(); i != group->mDrawMap.end(); ++i)
-	{
-		LLSpatialGroup::drawmap_elem_t& draw_vec = i->second;
-		for (LLSpatialGroup::drawmap_elem_t::iterator j = draw_vec.begin(); j != draw_vec.end(); ++j)
-		{
-			LLDrawInfo* params = *j;
-			if (params == draw_info)
-			{
-				LL_ERRS() << "LLDrawInfo deleted while actively referenced by LLPipeline." << LL_ENDL;
-			}
-		}
-	}
-}
-
-
-void LLPipeline::checkReferences(LLDrawInfo* draw_info)
-{
-#if 0
-	if (sCull)
-	{
-		for (LLCullResult::sg_iterator iter = sCull->beginVisibleGroups(); iter != sCull->endVisibleGroups(); ++iter)
-		{
-			LLSpatialGroup* group = *iter;
-			check_references(group, draw_info);
-		}
-
-		for (LLCullResult::sg_iterator iter = sCull->beginAlphaGroups(); iter != sCull->endAlphaGroups(); ++iter)
-		{
-			LLSpatialGroup* group = *iter;
-			check_references(group, draw_info);
-		}
-
-		for (LLCullResult::sg_iterator iter = sCull->beginDrawableGroups(); iter != sCull->endDrawableGroups(); ++iter)
-		{
-			LLSpatialGroup* group = *iter;
-			check_references(group, draw_info);
-		}
-	}
-#endif
-}
-
-void LLPipeline::checkReferences(LLSpatialGroup* group)
-{
-#if CHECK_PIPELINE_REFERENCES
-	if (sCull)
-	{
-		for (LLCullResult::sg_iterator iter = sCull->beginVisibleGroups(); iter != sCull->endVisibleGroups(); ++iter)
-		{
-			if (group == *iter)
-			{
-				LL_ERRS() << "LLSpatialGroup deleted while actively referenced by LLPipeline." << LL_ENDL;
-			}
-		}
-
-		for (LLCullResult::sg_iterator iter = sCull->beginAlphaGroups(); iter != sCull->endAlphaGroups(); ++iter)
-		{
-			if (group == *iter)
-			{
-				LL_ERRS() << "LLSpatialGroup deleted while actively referenced by LLPipeline." << LL_ENDL;
-			}
-		}
-
-		for (LLCullResult::sg_iterator iter = sCull->beginDrawableGroups(); iter != sCull->endDrawableGroups(); ++iter)
-		{
-			if (group == *iter)
-			{
-				LL_ERRS() << "LLSpatialGroup deleted while actively referenced by LLPipeline." << LL_ENDL;
-			}
-		}
-	}
-#endif
-}
-
-
-bool LLPipeline::visibleObjectsInFrustum(LLCamera& camera)
-{
-	for (LLWorld::region_list_t::const_iterator iter = LLWorld::getInstance()->getRegionList().begin(); 
-			iter != LLWorld::getInstance()->getRegionList().end(); ++iter)
-	{
-		LLViewerRegion* region = *iter;
-
-		for (U32 i = 0; i < LLViewerRegion::NUM_PARTITIONS; i++)
-		{
-			LLSpatialPartition* part = region->getSpatialPartition(i);
-			if (part)
-			{
-				if (hasRenderType(part->mDrawableType))
-				{
-					if (part->visibleObjectsInFrustum(camera))
-					{
-						return true;
-					}
-				}
-			}
-		}
-	}
-
-	return false;
-}
-
-bool LLPipeline::getVisibleExtents(LLCamera& camera, LLVector3& min, LLVector3& max)
-{
-	const F32 X = 65536.f;
-
-	min = LLVector3(X,X,X);
-	max = LLVector3(-X,-X,-X);
-
-	LLViewerCamera::eCameraID saved_camera_id = LLViewerCamera::sCurCameraID;
-	LLViewerCamera::sCurCameraID = LLViewerCamera::CAMERA_WORLD;
-
-	bool res = true;
-
-	for (LLWorld::region_list_t::const_iterator iter = LLWorld::getInstance()->getRegionList().begin(); 
-			iter != LLWorld::getInstance()->getRegionList().end(); ++iter)
-	{
-		LLViewerRegion* region = *iter;
-
-		for (U32 i = 0; i < LLViewerRegion::NUM_PARTITIONS; i++)
-		{
-			LLSpatialPartition* part = region->getSpatialPartition(i);
-			if (part)
-			{
-				if (hasRenderType(part->mDrawableType))
-				{
-					if (!part->getVisibleExtents(camera, min, max))
-					{
-						res = false;
-					}
-				}
-			}
-		}
-	}
-
-	LLViewerCamera::sCurCameraID = saved_camera_id;
-	return res;
-}
-
-static LLTrace::BlockTimerStatHandle FTM_CULL("Object Culling");
-
-// static
-bool LLPipeline::isWaterClip()
-{
-	return (!sRenderTransparentWater || gCubeSnapshot) && !sRenderingHUDs;
-}
-
-void LLPipeline::updateCull(LLCamera& camera, LLCullResult& result)
-{
-    LL_PROFILE_ZONE_SCOPED_CATEGORY_PIPELINE; //LL_RECORD_BLOCK_TIME(FTM_CULL);
-    LL_PROFILE_GPU_ZONE("updateCull"); // should always be zero GPU time, but drop a timer to flush stuff out
-
-	bool water_clip = isWaterClip();
-
-    if (water_clip)
-    {
-        
-        LLVector3 pnorm;
-
-        F32 water_height = LLEnvironment::instance().getWaterHeight();
-
-        if (sUnderWaterRender)
-        {
-            //camera is below water, cull above water
-            pnorm.setVec(0, 0, 1);
-        }
-        else
-        {
-            //camera is above water, cull below water
-            pnorm = LLVector3(0, 0, -1);
-        }
-        
-        LLPlane plane;
-        plane.setVec(LLVector3(0, 0, water_height), pnorm);
-
-        camera.setUserClipPlane(plane);
-    }
-    else
-    {
-        camera.disableUserClipPlane();
-    }
-
-	grabReferences(result);
-
-	sCull->clear();
-
-	for (LLWorld::region_list_t::const_iterator iter = LLWorld::getInstance()->getRegionList().begin(); 
-			iter != LLWorld::getInstance()->getRegionList().end(); ++iter)
-	{
-		LLViewerRegion* region = *iter;
-
-		for (U32 i = 0; i < LLViewerRegion::NUM_PARTITIONS; i++)
-		{
-			LLSpatialPartition* part = region->getSpatialPartition(i);
-			if (part)
-			{
-				if (hasRenderType(part->mDrawableType))
-				{
-					part->cull(camera);
-				}
-			}
-		}
-
-		//scan the VO Cache tree
-		LLVOCachePartition* vo_part = region->getVOCachePartition();
-		if(vo_part)
-		{
-			vo_part->cull(camera, sUseOcclusion > 0);
-		}
-	}
-
-	if (hasRenderType(LLPipeline::RENDER_TYPE_SKY) && 
-		gSky.mVOSkyp.notNull() && 
-		gSky.mVOSkyp->mDrawable.notNull())
-	{
-		gSky.mVOSkyp->mDrawable->setVisible(camera);
-		sCull->pushDrawable(gSky.mVOSkyp->mDrawable);
-		gSky.updateCull();
-		stop_glerror();
-	}
-
-    if (hasRenderType(LLPipeline::RENDER_TYPE_WL_SKY) && 
-        gPipeline.canUseWindLightShaders() &&
-        gSky.mVOWLSkyp.notNull() && 
-        gSky.mVOWLSkyp->mDrawable.notNull())
-    {
-        gSky.mVOWLSkyp->mDrawable->setVisible(camera);
-        sCull->pushDrawable(gSky.mVOWLSkyp->mDrawable);
-    }
-}
-
-void LLPipeline::markNotCulled(LLSpatialGroup* group, LLCamera& camera)
-{
-	if (group->isEmpty())
-	{ 
-		return;
-	}
-	
-	group->setVisible();
-
-	if (LLViewerCamera::sCurCameraID == LLViewerCamera::CAMERA_WORLD && !gCubeSnapshot)
-	{
-		group->updateDistance(camera);
-	}
-	
-	assertInitialized();
-	
-	if (!group->getSpatialPartition()->mRenderByGroup)
-	{ //render by drawable
-		sCull->pushDrawableGroup(group);
-	}
-	else
-	{   //render by group
-		sCull->pushVisibleGroup(group);
-	}
-
-    if (group->needsUpdate() ||
-        group->getVisible(LLViewerCamera::sCurCameraID) < LLDrawable::getCurrentFrame() - 1)
-    {
-        // include this group in occlusion groups, not because it is an occluder, but because we want to run
-        // an occlusion query to find out if it's an occluder
-        markOccluder(group);
-    }
-	mNumVisibleNodes++;
-}
-
-void LLPipeline::markOccluder(LLSpatialGroup* group)
-{
-	if (sUseOcclusion > 1 && group && !group->isOcclusionState(LLSpatialGroup::ACTIVE_OCCLUSION))
-	{
-		LLSpatialGroup* parent = group->getParent();
-
-		if (!parent || !parent->isOcclusionState(LLSpatialGroup::OCCLUDED))
-		{ //only mark top most occluders as active occlusion
-			sCull->pushOcclusionGroup(group);
-			group->setOcclusionState(LLSpatialGroup::ACTIVE_OCCLUSION);
-				
-			if (parent && 
-				!parent->isOcclusionState(LLSpatialGroup::ACTIVE_OCCLUSION) &&
-				parent->getElementCount() == 0 &&
-				parent->needsUpdate())
-			{
-				sCull->pushOcclusionGroup(group);
-				parent->setOcclusionState(LLSpatialGroup::ACTIVE_OCCLUSION);
-			}
-		}
-	}
-}
-
-void LLPipeline::doOcclusion(LLCamera& camera)
-{
-    LL_PROFILE_ZONE_SCOPED_CATEGORY_PIPELINE;
-    LL_PROFILE_GPU_ZONE("doOcclusion");
-    llassert(!gCubeSnapshot);
-
-    if (sReflectionProbesEnabled && sUseOcclusion > 1 && !LLPipeline::sShadowRender && !gCubeSnapshot)
-    {
-        gGL.setColorMask(false, false);
-        LLGLDepthTest depth(GL_TRUE, GL_FALSE);
-        LLGLDisable cull(GL_CULL_FACE);
-
-        gOcclusionCubeProgram.bind();
-
-        if (mCubeVB.isNull())
-        { //cube VB will be used for issuing occlusion queries
-            mCubeVB = ll_create_cube_vb(LLVertexBuffer::MAP_VERTEX);
-        }
-        mCubeVB->setBuffer();
-
-        mReflectionMapManager.doOcclusion();
-        gOcclusionCubeProgram.unbind();
-
-        gGL.setColorMask(true, true);
-    }
-
-    if (LLPipeline::sUseOcclusion > 1 &&
-		(sCull->hasOcclusionGroups() || LLVOCachePartition::sNeedsOcclusionCheck))
-	{
-		LLVertexBuffer::unbind();
-
-		gGL.setColorMask(false, false);
-
-		LLGLDisable blend(GL_BLEND);
-		gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
-		LLGLDepthTest depth(GL_TRUE, GL_FALSE);
-
-		LLGLDisable cull(GL_CULL_FACE);
-
-        gOcclusionCubeProgram.bind();
-
-		if (mCubeVB.isNull())
-		{ //cube VB will be used for issuing occlusion queries
-			mCubeVB = ll_create_cube_vb(LLVertexBuffer::MAP_VERTEX);
-		}
-		mCubeVB->setBuffer();
-
-		for (LLCullResult::sg_iterator iter = sCull->beginOcclusionGroups(); iter != sCull->endOcclusionGroups(); ++iter)
-		{
-			LLSpatialGroup* group = *iter;
-            if (!group->isDead())
-            {
-                group->doOcclusion(&camera);
-                group->clearOcclusionState(LLSpatialGroup::ACTIVE_OCCLUSION);
-            }
-		}
-	
-		//apply occlusion culling to object cache tree
-		for (LLWorld::region_list_t::const_iterator iter = LLWorld::getInstance()->getRegionList().begin(); 
-			iter != LLWorld::getInstance()->getRegionList().end(); ++iter)
-		{
-			LLVOCachePartition* vo_part = (*iter)->getVOCachePartition();
-			if(vo_part)
-			{
-				vo_part->processOccluders(&camera);
-			}
-		}
-
-		gGL.setColorMask(true, true);
-	}
-}
-	
-bool LLPipeline::updateDrawableGeom(LLDrawable* drawablep)
-{
-	bool update_complete = drawablep->updateGeometry();
-	if (update_complete && assertInitialized())
-	{
-		drawablep->setState(LLDrawable::BUILT);
-	}
-	return update_complete;
-}
-
-void LLPipeline::updateGL()
-{
-    LL_PROFILE_ZONE_SCOPED_CATEGORY_PIPELINE;
-	{
-		while (!LLGLUpdate::sGLQ.empty())
-		{
-			LLGLUpdate* glu = LLGLUpdate::sGLQ.front();
-			glu->updateGL();
-			glu->mInQ = false;
-			LLGLUpdate::sGLQ.pop_front();
-		}
-	}
-}
-
-void LLPipeline::clearRebuildGroups()
-{
-    LL_PROFILE_ZONE_SCOPED_CATEGORY_PIPELINE;
-	LLSpatialGroup::sg_vector_t	hudGroups;
-
-	mGroupQ1Locked = true;
-	// Iterate through all drawables on the priority build queue,
-	for (LLSpatialGroup::sg_vector_t::iterator iter = mGroupQ1.begin();
-		 iter != mGroupQ1.end(); ++iter)
-	{
-		LLSpatialGroup* group = *iter;
-
-		// If the group contains HUD objects, save the group
-		if (group->isHUDGroup())
-		{
-			hudGroups.push_back(group);
-		}
-		// Else, no HUD objects so clear the build state
-		else
-		{
-			group->clearState(LLSpatialGroup::IN_BUILD_Q1);
-		}
-	}
-
-	// Clear the group
-	mGroupQ1.clear();
-
-	// Copy the saved HUD groups back in
-	mGroupQ1.assign(hudGroups.begin(), hudGroups.end());
-	mGroupQ1Locked = false;
-}
-
-void LLPipeline::clearRebuildDrawables()
-{
-	// Clear all drawables on the priority build queue,
-	for (LLDrawable::drawable_list_t::iterator iter = mBuildQ1.begin();
-		 iter != mBuildQ1.end(); ++iter)
-	{
-		LLDrawable* drawablep = *iter;
-		if (drawablep && !drawablep->isDead())
-		{
-			drawablep->clearState(LLDrawable::IN_REBUILD_Q);
-		}
-	}
-	mBuildQ1.clear();
-
-	//clear all moving bridges
-	for (LLDrawable::drawable_vector_t::iterator iter = mMovedBridge.begin();
-		 iter != mMovedBridge.end(); ++iter)
-	{
-		LLDrawable *drawablep = *iter;
-		drawablep->clearState(LLDrawable::EARLY_MOVE | LLDrawable::MOVE_UNDAMPED | LLDrawable::ON_MOVE_LIST | LLDrawable::ANIMATED_CHILD);
-	}
-	mMovedBridge.clear();
-
-	//clear all moving drawables
-	for (LLDrawable::drawable_vector_t::iterator iter = mMovedList.begin();
-		 iter != mMovedList.end(); ++iter)
-	{
-		LLDrawable *drawablep = *iter;
-		drawablep->clearState(LLDrawable::EARLY_MOVE | LLDrawable::MOVE_UNDAMPED | LLDrawable::ON_MOVE_LIST | LLDrawable::ANIMATED_CHILD);
-	}
-	mMovedList.clear();
-
-    for (LLDrawable::drawable_vector_t::iterator iter = mShiftList.begin();
-        iter != mShiftList.end(); ++iter)
-    {
-        LLDrawable *drawablep = *iter;
-        drawablep->clearState(LLDrawable::EARLY_MOVE | LLDrawable::MOVE_UNDAMPED | LLDrawable::ON_MOVE_LIST | LLDrawable::ANIMATED_CHILD | LLDrawable::ON_SHIFT_LIST);
-    }
-    mShiftList.clear();
-}
-
-void LLPipeline::rebuildPriorityGroups()
-{
-    LL_PROFILE_ZONE_SCOPED_CATEGORY_PIPELINE;
-    LL_PROFILE_GPU_ZONE("rebuildPriorityGroups");
-
-	LLTimer update_timer;
-	assertInitialized();
-
-	gMeshRepo.notifyLoadedMeshes();
-
-	mGroupQ1Locked = true;
-	// Iterate through all drawables on the priority build queue,
-	for (LLSpatialGroup::sg_vector_t::iterator iter = mGroupQ1.begin();
-		 iter != mGroupQ1.end(); ++iter)
-	{
-		LLSpatialGroup* group = *iter;
-		group->rebuildGeom();
-		group->clearState(LLSpatialGroup::IN_BUILD_Q1);
-	}
-
-	mGroupSaveQ1 = mGroupQ1;
-	mGroupQ1.clear();
-	mGroupQ1Locked = false;
-
-}
-
-void LLPipeline::updateGeom(F32 max_dtime)
-{
-	LLTimer update_timer;
-	LLPointer<LLDrawable> drawablep;
-
-	LL_RECORD_BLOCK_TIME(FTM_GEO_UPDATE);
-    if (gCubeSnapshot)
-    {
-        return;
-    }
-
-	assertInitialized();
-
-	// notify various object types to reset internal cost metrics, etc.
-	// for now, only LLVOVolume does this to throttle LOD changes
-	LLVOVolume::preUpdateGeom();
-
-	// Iterate through all drawables on the priority build queue,
-	for (LLDrawable::drawable_list_t::iterator iter = mBuildQ1.begin();
-		 iter != mBuildQ1.end();)
-	{
-		LLDrawable::drawable_list_t::iterator curiter = iter++;
-		LLDrawable* drawablep = *curiter;
-		if (drawablep && !drawablep->isDead())
-		{
-			if (drawablep->isUnload())
-			{
-				drawablep->unload();
-				drawablep->clearState(LLDrawable::FOR_UNLOAD);
-			}
-
-			if (updateDrawableGeom(drawablep))
-			{
-				drawablep->clearState(LLDrawable::IN_REBUILD_Q);
-				mBuildQ1.erase(curiter);
-			}
-		}
-		else
-		{
-			mBuildQ1.erase(curiter);
-		}
-	}
-
-	updateMovedList(mMovedBridge);
-}
-
-void LLPipeline::markVisible(LLDrawable *drawablep, LLCamera& camera)
-{
-	if(drawablep && !drawablep->isDead())
-	{
-		if (drawablep->isSpatialBridge())
-		{
-			const LLDrawable* root = ((LLSpatialBridge*) drawablep)->mDrawable;
-			llassert(root); // trying to catch a bad assumption
-					
-			if (root && //  // this test may not be needed, see above
-					root->getVObj()->isAttachment())
-			{
-				LLDrawable* rootparent = root->getParent();
-				if (rootparent) // this IS sometimes NULL
-				{
-					LLViewerObject *vobj = rootparent->getVObj();
-					llassert(vobj); // trying to catch a bad assumption
-					if (vobj) // this test may not be needed, see above
-					{
-						LLVOAvatar* av = vobj->asAvatar();
-						if (av &&
-							((!sImpostorRender && av->isImpostor()) //ignore impostor flag during impostor pass
-							 || av->isInMuteList() 
-							 || (LLVOAvatar::AOA_JELLYDOLL == av->getOverallAppearance() && !av->needsImpostorUpdate()) ))
-						{
-							return;
-						}
-					}
-				}
-			}
-			sCull->pushBridge((LLSpatialBridge*) drawablep);
-		}
-		else
-		{
-		
-			sCull->pushDrawable(drawablep);
-		}
-
-		drawablep->setVisible(camera);
-	}
-}
-
-void LLPipeline::markMoved(LLDrawable *drawablep, bool damped_motion)
-{
-	if (!drawablep)
-	{
-		//LL_ERRS() << "Sending null drawable to moved list!" << LL_ENDL;
-		return;
-	}
-	
-	if (drawablep->isDead())
-	{
-		LL_WARNS() << "Marking NULL or dead drawable moved!" << LL_ENDL;
-		return;
-	}
-	
-	if (drawablep->getParent()) 
-	{
-		//ensure that parent drawables are moved first
-		markMoved(drawablep->getParent(), damped_motion);
-	}
-
-	assertInitialized();
-
-	if (!drawablep->isState(LLDrawable::ON_MOVE_LIST))
-	{
-		if (drawablep->isSpatialBridge())
-		{
-			mMovedBridge.push_back(drawablep);
-		}
-		else
-		{
-			mMovedList.push_back(drawablep);
-		}
-		drawablep->setState(LLDrawable::ON_MOVE_LIST);
-	}
-	if (! damped_motion)
-	{
-		drawablep->setState(LLDrawable::MOVE_UNDAMPED); // UNDAMPED trumps DAMPED
-	}
-	else if (drawablep->isState(LLDrawable::MOVE_UNDAMPED))
-	{
-		drawablep->clearState(LLDrawable::MOVE_UNDAMPED);
-	}
-}
-
-void LLPipeline::markShift(LLDrawable *drawablep)
-{
-	if (!drawablep || drawablep->isDead())
-	{
-		return;
-	}
-
-	assertInitialized();
-
-	if (!drawablep->isState(LLDrawable::ON_SHIFT_LIST))
-	{
-		drawablep->getVObj()->setChanged(LLXform::SHIFTED | LLXform::SILHOUETTE);
-		if (drawablep->getParent()) 
-		{
-			markShift(drawablep->getParent());
-		}
-		mShiftList.push_back(drawablep);
-		drawablep->setState(LLDrawable::ON_SHIFT_LIST);
-	}
-}
-
-void LLPipeline::shiftObjects(const LLVector3 &offset)
-{
-    LL_PROFILE_ZONE_SCOPED_CATEGORY_PIPELINE;
-	assertInitialized();
-
-	glClear(GL_DEPTH_BUFFER_BIT);
-	gDepthDirty = true;
-		
-	LLVector4a offseta;
-	offseta.load3(offset.mV);
-
-	for (LLDrawable::drawable_vector_t::iterator iter = mShiftList.begin();
-			iter != mShiftList.end(); iter++)
-	{
-		LLDrawable *drawablep = *iter;
-		if (drawablep->isDead())
-		{
-			continue;
-		}	
-		drawablep->shiftPos(offseta);	
-		drawablep->clearState(LLDrawable::ON_SHIFT_LIST);
-	}
-	mShiftList.resize(0);
-	
-	for (LLWorld::region_list_t::const_iterator iter = LLWorld::getInstance()->getRegionList().begin(); 
-			iter != LLWorld::getInstance()->getRegionList().end(); ++iter)
-	{
-		LLViewerRegion* region = *iter;
-		for (U32 i = 0; i < LLViewerRegion::NUM_PARTITIONS; i++)
-		{
-			LLSpatialPartition* part = region->getSpatialPartition(i);
-			if (part)
-			{
-				part->shift(offseta);
-			}
-		}
-	}
-
-    mReflectionMapManager.shift(offseta);
-
-	LLHUDText::shiftAll(offset);
-	LLHUDNameTag::shiftAll(offset);
-
-	display_update_camera();
-}
-
-void LLPipeline::markTextured(LLDrawable *drawablep)
-{
-	if (drawablep && !drawablep->isDead() && assertInitialized())
-	{
-		mRetexturedList.insert(drawablep);
-	}
-}
-
-void LLPipeline::markGLRebuild(LLGLUpdate* glu)
-{
-	if (glu && !glu->mInQ)
-	{
-		LLGLUpdate::sGLQ.push_back(glu);
-		glu->mInQ = true;
-	}
-}
-
-void LLPipeline::markPartitionMove(LLDrawable* drawable)
-{
-	if (!drawable->isState(LLDrawable::PARTITION_MOVE) && 
-		!drawable->getPositionGroup().equals3(LLVector4a::getZero()))
-	{
-		drawable->setState(LLDrawable::PARTITION_MOVE);
-		mPartitionQ.push_back(drawable);
-	}
-}
-
-void LLPipeline::processPartitionQ()
-{
-    LL_PROFILE_ZONE_SCOPED_CATEGORY_PIPELINE;
-	for (LLDrawable::drawable_list_t::iterator iter = mPartitionQ.begin(); iter != mPartitionQ.end(); ++iter)
-	{
-		LLDrawable* drawable = *iter;
-		if (!drawable->isDead())
-		{
-			drawable->updateBinRadius();
-			drawable->movePartition();
-		}
-		drawable->clearState(LLDrawable::PARTITION_MOVE);
-	}
-
-	mPartitionQ.clear();
-}
-
-void LLPipeline::markMeshDirty(LLSpatialGroup* group)
-{
-	mMeshDirtyGroup.push_back(group);
-}
-
-void LLPipeline::markRebuild(LLSpatialGroup* group)
-{
-	if (group && !group->isDead() && group->getSpatialPartition())
-	{
-		if (!group->hasState(LLSpatialGroup::IN_BUILD_Q1))
-		{
-			llassert_always(!mGroupQ1Locked);
-
-			mGroupQ1.push_back(group);
-			group->setState(LLSpatialGroup::IN_BUILD_Q1);
-		}
-	}
-}
-
-void LLPipeline::markRebuild(LLDrawable *drawablep, LLDrawable::EDrawableFlags flag)
-{
-	if (drawablep && !drawablep->isDead() && assertInitialized())
-	{
-		if (!drawablep->isState(LLDrawable::IN_REBUILD_Q))
-		{
-			mBuildQ1.push_back(drawablep);
-			drawablep->setState(LLDrawable::IN_REBUILD_Q); // mark drawable as being in priority queue
-		}
-
-        if (flag & (LLDrawable::REBUILD_VOLUME | LLDrawable::REBUILD_POSITION))
-		{
-			drawablep->getVObj()->setChanged(LLXform::SILHOUETTE);
-		}
-		drawablep->setState(flag);
-	}
-}
-
-void LLPipeline::stateSort(LLCamera& camera, LLCullResult &result)
-{
-    LL_PROFILE_ZONE_SCOPED_CATEGORY_PIPELINE;
-    LL_PROFILE_GPU_ZONE("stateSort");
-
-	if (hasAnyRenderType(LLPipeline::RENDER_TYPE_AVATAR,
-					  LLPipeline::RENDER_TYPE_CONTROL_AV,
-					  LLPipeline::RENDER_TYPE_TERRAIN,
-					  LLPipeline::RENDER_TYPE_TREE,
-					  LLPipeline::RENDER_TYPE_SKY,
-					  LLPipeline::RENDER_TYPE_VOIDWATER,
-					  LLPipeline::RENDER_TYPE_WATER,
-					  LLPipeline::END_RENDER_TYPES))
-	{
-		//clear faces from face pools
-		gPipeline.resetDrawOrders();
-	}
-
-	//LLVertexBuffer::unbind();
-
-	grabReferences(result);
-	for (LLCullResult::sg_iterator iter = sCull->beginDrawableGroups(); iter != sCull->endDrawableGroups(); ++iter)
-	{
-		LLSpatialGroup* group = *iter;
-        if (group->isDead())
-        {
-            continue;
-        }
-		group->checkOcclusion();
-		if (sUseOcclusion > 1 && group->isOcclusionState(LLSpatialGroup::OCCLUDED))
-		{
-			markOccluder(group);
-		}
-		else
-		{
-			group->setVisible();
-			for (LLSpatialGroup::element_iter i = group->getDataBegin(); i != group->getDataEnd(); ++i)
-			{
-                LLDrawable* drawablep = (LLDrawable*)(*i)->getDrawable();
-				markVisible(drawablep, camera);
-			}
-
-			{ //rebuild mesh as soon as we know it's visible
-				group->rebuildMesh();
-			}
-		}
-	}
-
-	if (LLViewerCamera::sCurCameraID == LLViewerCamera::CAMERA_WORLD && !gCubeSnapshot)
-	{
-		LLSpatialGroup* last_group = NULL;
-		bool fov_changed = LLViewerCamera::getInstance()->isDefaultFOVChanged();
-		for (LLCullResult::bridge_iterator i = sCull->beginVisibleBridge(); i != sCull->endVisibleBridge(); ++i)
-		{
-			LLCullResult::bridge_iterator cur_iter = i;
-			LLSpatialBridge* bridge = *cur_iter;
-			LLSpatialGroup* group = bridge->getSpatialGroup();
-
-			if (last_group == NULL)
-			{
-				last_group = group;
-			}
-
-			if (!bridge->isDead() && group && !group->isOcclusionState(LLSpatialGroup::OCCLUDED))
-			{
-				stateSort(bridge, camera, fov_changed);
-			}
-
-			if (LLViewerCamera::sCurCameraID == LLViewerCamera::CAMERA_WORLD &&
-				last_group != group && last_group->changeLOD())
-			{
-				last_group->mLastUpdateDistance = last_group->mDistance;
-			}
-
-			last_group = group;
-		}
-
-		if (LLViewerCamera::sCurCameraID == LLViewerCamera::CAMERA_WORLD &&
-			last_group && last_group->changeLOD())
-		{
-			last_group->mLastUpdateDistance = last_group->mDistance;
-		}
-	}
-
-	for (LLCullResult::sg_iterator iter = sCull->beginVisibleGroups(); iter != sCull->endVisibleGroups(); ++iter)
-	{
-		LLSpatialGroup* group = *iter;
-        if (group->isDead())
-        {
-            continue;
-        }
-		group->checkOcclusion();
-		if (sUseOcclusion > 1 && group->isOcclusionState(LLSpatialGroup::OCCLUDED))
-		{
-			markOccluder(group);
-		}
-		else
-		{
-			group->setVisible();
-			stateSort(group, camera);
-
-			{ //rebuild mesh as soon as we know it's visible
-				group->rebuildMesh();
-			}
-		}
-	}
-	
-	{
-		LL_PROFILE_ZONE_NAMED_CATEGORY_DRAWABLE("stateSort"); // LL_RECORD_BLOCK_TIME(FTM_STATESORT_DRAWABLE);
-		for (LLCullResult::drawable_iterator iter = sCull->beginVisibleList();
-			 iter != sCull->endVisibleList(); ++iter)
-		{
-			LLDrawable *drawablep = *iter;
-			if (!drawablep->isDead())
-			{
-				stateSort(drawablep, camera);
-			}
-		}
-	}
-		
-	postSort(camera);	
-}
-
-void LLPipeline::stateSort(LLSpatialGroup* group, LLCamera& camera)
-{
-	if (group->changeLOD())
-	{
-		for (LLSpatialGroup::element_iter i = group->getDataBegin(); i != group->getDataEnd(); ++i)
-		{
-            LLDrawable* drawablep = (LLDrawable*)(*i)->getDrawable();            
-			stateSort(drawablep, camera);
-		}
-
-		if (LLViewerCamera::sCurCameraID == LLViewerCamera::CAMERA_WORLD && !gCubeSnapshot)
-		{ //avoid redundant stateSort calls
-			group->mLastUpdateDistance = group->mDistance;
-		}
-	}
-}
-
-void LLPipeline::stateSort(LLSpatialBridge* bridge, LLCamera& camera, bool fov_changed)
-{
-    LL_PROFILE_ZONE_SCOPED_CATEGORY_PIPELINE;
-    if (bridge->getSpatialGroup()->changeLOD() || fov_changed)
-	{
-		bool force_update = false;
-		bridge->updateDistance(camera, force_update);
-	}
-}
-
-void LLPipeline::stateSort(LLDrawable* drawablep, LLCamera& camera)
-{
-    LL_PROFILE_ZONE_SCOPED_CATEGORY_PIPELINE;
-    if (!drawablep
-		|| drawablep->isDead() 
-		|| !hasRenderType(drawablep->getRenderType()))
-	{
-		return;
-	}
-	
-    // SL-11353
-    // ignore our own geo when rendering spotlight shadowmaps...
-    // 
-    if (RenderSpotLight && drawablep == RenderSpotLight)
-    {
-        return;
-    }
-
-	if (LLSelectMgr::getInstance()->mHideSelectedObjects)
-	{
-		if (drawablep->getVObj().notNull() &&
-			drawablep->getVObj()->isSelected())
-		{
-			return;
-		}
-	}
-
-	if (drawablep->isAvatar())
-	{ //don't draw avatars beyond render distance or if we don't have a spatial group.
-		if ((drawablep->getSpatialGroup() == NULL) || 
-			(drawablep->getSpatialGroup()->mDistance > LLVOAvatar::sRenderDistance))
-		{
-			return;
-		}
-
-		LLVOAvatar* avatarp = (LLVOAvatar*) drawablep->getVObj().get();
-		if (!avatarp->isVisible())
-		{
-			return;
-		}
-	}
-
-	assertInitialized();
-
-	if (hasRenderType(drawablep->mRenderType))
-	{
-		if (!drawablep->isState(LLDrawable::INVISIBLE|LLDrawable::FORCE_INVISIBLE))
-		{
-			drawablep->setVisible(camera, NULL, false);
-		}
-	}
-
-	if (LLViewerCamera::sCurCameraID == LLViewerCamera::CAMERA_WORLD && !gCubeSnapshot)
-	{
-		//if (drawablep->isVisible()) isVisible() check here is redundant, if it wasn't visible, it wouldn't be here
-		{
-			if (!drawablep->isActive())
-			{
-				bool force_update = false;
-				drawablep->updateDistance(camera, force_update);
-			}
-			else if (drawablep->isAvatar())
-			{
-				bool force_update = false;
-				drawablep->updateDistance(camera, force_update); // calls vobj->updateLOD() which calls LLVOAvatar::updateVisibility()
-			}
-		}
-	}
-
-	if (!drawablep->getVOVolume())
-	{
-		for (LLDrawable::face_list_t::iterator iter = drawablep->mFaces.begin();
-				iter != drawablep->mFaces.end(); iter++)
-		{
-			LLFace* facep = *iter;
-
-			if (facep->hasGeometry())
-			{
-				if (facep->getPool())
-				{
-					facep->getPool()->enqueue(facep);
-				}
-				else
-				{
-					break;
-				}
-			}
-		}
-	}
-	
-	mNumVisibleFaces += drawablep->getNumFaces();
-}
-
-
-void forAllDrawables(LLCullResult::sg_iterator begin, 
-					 LLCullResult::sg_iterator end,
-					 void (*func)(LLDrawable*))
-{
-	for (LLCullResult::sg_iterator i = begin; i != end; ++i)
-	{
-        LLSpatialGroup* group = *i;
-        if (group->isDead())
-        {
-            continue;
-        }
-		for (LLSpatialGroup::element_iter j = group->getDataBegin(); j != group->getDataEnd(); ++j)
-		{
-			if((*j)->hasDrawable())
-			{
-				func((LLDrawable*)(*j)->getDrawable());	
-			}
-		}
-	}
-}
-
-void LLPipeline::forAllVisibleDrawables(void (*func)(LLDrawable*))
-{
-	forAllDrawables(sCull->beginDrawableGroups(), sCull->endDrawableGroups(), func);
-	forAllDrawables(sCull->beginVisibleGroups(), sCull->endVisibleGroups(), func);
-}
-
-//function for creating scripted beacons
-void renderScriptedBeacons(LLDrawable* drawablep)
-{
-	LLViewerObject *vobj = drawablep->getVObj();
-	if (vobj 
-		&& !vobj->isAvatar() 
-		&& !vobj->getParent()
-		&& vobj->flagScripted())
-	{
-		if (gPipeline.sRenderBeacons)
-		{
-			gObjectList.addDebugBeacon(vobj->getPositionAgent(), "", LLColor4(1.f, 0.f, 0.f, 0.5f), LLColor4(1.f, 1.f, 1.f, 0.5f), LLPipeline::DebugBeaconLineWidth);
-		}
-
-		if (gPipeline.sRenderHighlight)
-		{
-			S32 face_id;
-			S32 count = drawablep->getNumFaces();
-			for (face_id = 0; face_id < count; face_id++)
-			{
-				LLFace * facep = drawablep->getFace(face_id);
-				if (facep) 
-				{
-					gPipeline.mHighlightFaces.push_back(facep);
-				}
-			}
-		}
-	}
-}
-
-void renderScriptedTouchBeacons(LLDrawable *drawablep)
-{
-    LLViewerObject *vobj = drawablep->getVObj();
-    if (vobj && !vobj->isAvatar() && !vobj->getParent() && vobj->flagScripted() && vobj->flagHandleTouch())
-    {
-        if (gPipeline.sRenderBeacons)
-        {
-            gObjectList.addDebugBeacon(vobj->getPositionAgent(), "", LLColor4(1.f, 0.f, 0.f, 0.5f), LLColor4(1.f, 1.f, 1.f, 0.5f),
-                                       LLPipeline::DebugBeaconLineWidth);
-        }
-
-        if (gPipeline.sRenderHighlight)
-        {
-            S32 face_id;
-            S32 count = drawablep->getNumFaces();
-            for (face_id = 0; face_id < count; face_id++)
-            {
-                LLFace *facep = drawablep->getFace(face_id);
-                if (facep)
-                {
-                    gPipeline.mHighlightFaces.push_back(facep);
-                }
-            }
-        }
-    }
-}
-
-void renderPhysicalBeacons(LLDrawable *drawablep)
-{
-    LLViewerObject *vobj = drawablep->getVObj();
-    if (vobj &&
-        !vobj->isAvatar()
-        //&& !vobj->getParent()
-        && vobj->flagUsePhysics())
-    {
-        if (gPipeline.sRenderBeacons)
-        {
-            gObjectList.addDebugBeacon(vobj->getPositionAgent(), "", LLColor4(0.f, 1.f, 0.f, 0.5f), LLColor4(1.f, 1.f, 1.f, 0.5f),
-                                       LLPipeline::DebugBeaconLineWidth);
-        }
-
-        if (gPipeline.sRenderHighlight)
-        {
-            S32 face_id;
-            S32 count = drawablep->getNumFaces();
-            for (face_id = 0; face_id < count; face_id++)
-            {
-                LLFace *facep = drawablep->getFace(face_id);
-                if (facep)
-                {
-                    gPipeline.mHighlightFaces.push_back(facep);
-                }
-            }
-        }
-    }
-}
-
-void renderMOAPBeacons(LLDrawable *drawablep)
-{
-    LLViewerObject *vobj = drawablep->getVObj();
-
-    if (!vobj || vobj->isAvatar())
-        return;
-
-    bool beacon  = false;
-    U8   tecount = vobj->getNumTEs();
-    for (int x = 0; x < tecount; x++)
-    {
-        if (vobj->getTE(x)->hasMedia())
-        {
-            beacon = true;
-            break;
-        }
-    }
-    if (beacon)
-    {
-        if (gPipeline.sRenderBeacons)
-        {
-            gObjectList.addDebugBeacon(vobj->getPositionAgent(), "", LLColor4(1.f, 1.f, 1.f, 0.5f), LLColor4(1.f, 1.f, 1.f, 0.5f),
-                                       LLPipeline::DebugBeaconLineWidth);
-        }
-
-        if (gPipeline.sRenderHighlight)
-        {
-            S32 face_id;
-            S32 count = drawablep->getNumFaces();
-            for (face_id = 0; face_id < count; face_id++)
-            {
-                LLFace *facep = drawablep->getFace(face_id);
-                if (facep)
-                {
-                    gPipeline.mHighlightFaces.push_back(facep);
-                }
-            }
-        }
-    }
-}
-
-void renderParticleBeacons(LLDrawable *drawablep)
-{
-    // Look for attachments, objects, etc.
-    LLViewerObject *vobj = drawablep->getVObj();
-    if (vobj && vobj->isParticleSource())
-    {
-        if (gPipeline.sRenderBeacons)
-        {
-            LLColor4 light_blue(0.5f, 0.5f, 1.f, 0.5f);
-            gObjectList.addDebugBeacon(vobj->getPositionAgent(), "", light_blue, LLColor4(1.f, 1.f, 1.f, 0.5f),
-                                       LLPipeline::DebugBeaconLineWidth);
-        }
-
-        if (gPipeline.sRenderHighlight)
-        {
-            S32 face_id;
-            S32 count = drawablep->getNumFaces();
-            for (face_id = 0; face_id < count; face_id++)
-            {
-                LLFace *facep = drawablep->getFace(face_id);
-                if (facep)
-                {
-                    gPipeline.mHighlightFaces.push_back(facep);
-                }
-            }
-        }
-    }
-}
-
-void renderSoundHighlights(LLDrawable *drawablep)
-{
-    // Look for attachments, objects, etc.
-    LLViewerObject *vobj = drawablep->getVObj();
-    if (vobj && vobj->isAudioSource())
-    {
-        if (gPipeline.sRenderHighlight)
-        {
-            S32 face_id;
-            S32 count = drawablep->getNumFaces();
-            for (face_id = 0; face_id < count; face_id++)
-            {
-                LLFace *facep = drawablep->getFace(face_id);
-                if (facep)
-                {
-                    gPipeline.mHighlightFaces.push_back(facep);
-                }
-            }
-        }
-    }
-}
-
-void LLPipeline::postSort(LLCamera &camera)
-{
-    LL_PROFILE_ZONE_SCOPED_CATEGORY_PIPELINE;
-
-    assertInitialized();
-
-    LL_PUSH_CALLSTACKS();
-
-    if (!gCubeSnapshot)
-    {
-        // rebuild drawable geometry
-        for (LLCullResult::sg_iterator i = sCull->beginDrawableGroups(); i != sCull->endDrawableGroups(); ++i)
-        {
-            LLSpatialGroup *group = *i;
-            if (group->isDead())
-            {
-                continue;
-            }
-            if (!sUseOcclusion || !group->isOcclusionState(LLSpatialGroup::OCCLUDED))
-            {
-                group->rebuildGeom();
-            }
-        }
-        LL_PUSH_CALLSTACKS();
-        // rebuild groups
-        sCull->assertDrawMapsEmpty();
-
-        rebuildPriorityGroups();
-    }
-
-    LL_PUSH_CALLSTACKS();
-
-    // build render map
-    for (LLCullResult::sg_iterator i = sCull->beginVisibleGroups(); i != sCull->endVisibleGroups(); ++i)
-    {
-        LLSpatialGroup *group = *i;
-
-        if (group->isDead())
-        {
-            continue;
-        }
-
-        if ((sUseOcclusion && group->isOcclusionState(LLSpatialGroup::OCCLUDED)) ||
-            (RenderAutoHideSurfaceAreaLimit > 0.f &&
-             group->mSurfaceArea > RenderAutoHideSurfaceAreaLimit * llmax(group->mObjectBoxSize, 10.f)))
-        {
-            continue;
-        }
-
-        if (group->hasState(LLSpatialGroup::NEW_DRAWINFO) && group->hasState(LLSpatialGroup::GEOM_DIRTY) && !gCubeSnapshot)
-        {  // no way this group is going to be drawable without a rebuild
-            group->rebuildGeom();
-        }
-
-        for (LLSpatialGroup::draw_map_t::iterator j = group->mDrawMap.begin(); j != group->mDrawMap.end(); ++j)
-        {
-            LLSpatialGroup::drawmap_elem_t &src_vec = j->second;
-            if (!hasRenderType(j->first))
-            {
-                continue;
-            }
-
-            for (LLSpatialGroup::drawmap_elem_t::iterator k = src_vec.begin(); k != src_vec.end(); ++k)
-            {
-                LLDrawInfo *info = *k;
-
-                sCull->pushDrawInfo(j->first, info);
-                if (!sShadowRender && !sReflectionRender && !gCubeSnapshot)
-                {
-                    addTrianglesDrawn(info->mCount);
-                }
-            }
-        }
-
-        if (hasRenderType(LLPipeline::RENDER_TYPE_PASS_ALPHA))
-        {
-            LLSpatialGroup::draw_map_t::iterator alpha = group->mDrawMap.find(LLRenderPass::PASS_ALPHA);
-
-            if (alpha != group->mDrawMap.end())
-            {  // store alpha groups for sorting
-                LLSpatialBridge *bridge = group->getSpatialPartition()->asBridge();
-                if (LLViewerCamera::sCurCameraID == LLViewerCamera::CAMERA_WORLD && !gCubeSnapshot)
-                {
-                    if (bridge)
-                    {
-                        LLCamera trans_camera = bridge->transformCamera(camera);
-                        group->updateDistance(trans_camera);
-                    }
-                    else
-                    {
-                        group->updateDistance(camera);
-                    }
-                }
-
-                if (hasRenderType(LLDrawPool::POOL_ALPHA))
-                {
-                    sCull->pushAlphaGroup(group);
-                }
-            }
-
-            LLSpatialGroup::draw_map_t::iterator rigged_alpha = group->mDrawMap.find(LLRenderPass::PASS_ALPHA_RIGGED);
-
-            if (rigged_alpha != group->mDrawMap.end())
-            {  // store rigged alpha groups for LLDrawPoolAlpha prepass (skip distance update, rigged attachments use depth buffer)
-                if (hasRenderType(LLDrawPool::POOL_ALPHA))
-                {
-                    sCull->pushRiggedAlphaGroup(group);
-                }
-            }
-        }
-    }
-
-    /*bool use_transform_feedback = gTransformPositionProgram.mProgramObject && !mMeshDirtyGroup.empty();
-
-    if (use_transform_feedback)
-    { //place a query around potential transform feedback code for synchronization
-        mTransformFeedbackPrimitives = 0;
-
-        if (!mMeshDirtyQueryObject)
-        {
-            glGenQueries(1, &mMeshDirtyQueryObject);
-        }
-
-
-        glBeginQuery(GL_TRANSFORM_FEEDBACK_PRIMITIVES_WRITTEN, mMeshDirtyQueryObject);
-    }*/
-
-    // pack vertex buffers for groups that chose to delay their updates
-    {
-        LL_PROFILE_GPU_ZONE("rebuildMesh");
-        for (LLSpatialGroup::sg_vector_t::iterator iter = mMeshDirtyGroup.begin(); iter != mMeshDirtyGroup.end(); ++iter)
-        {
-            (*iter)->rebuildMesh();
-        }
-    }
-
-    /*if (use_transform_feedback)
-    {
-        glEndQuery(GL_TRANSFORM_FEEDBACK_PRIMITIVES_WRITTEN);
-    }*/
-
-    mMeshDirtyGroup.clear();
-
-    if (!sShadowRender)
-    {
-        // order alpha groups by distance
-        std::sort(sCull->beginAlphaGroups(), sCull->endAlphaGroups(), LLSpatialGroup::CompareDepthGreater());
-
-        // order rigged alpha groups by avatar attachment order
-        std::sort(sCull->beginRiggedAlphaGroups(), sCull->endRiggedAlphaGroups(), LLSpatialGroup::CompareRenderOrder());
-    }
-
-    LL_PUSH_CALLSTACKS();
-    // only render if the flag is set. The flag is only set if we are in edit mode or the toggle is set in the menus
-    if (LLFloaterReg::instanceVisible("beacons") && !sShadowRender && !gCubeSnapshot)
-    {
-        if (sRenderScriptedTouchBeacons)
-        {
-            // Only show the beacon on the root object.
-            forAllVisibleDrawables(renderScriptedTouchBeacons);
-        }
-        else if (sRenderScriptedBeacons)
-        {
-            // Only show the beacon on the root object.
-            forAllVisibleDrawables(renderScriptedBeacons);
-        }
-
-        if (sRenderPhysicalBeacons)
-        {
-            // Only show the beacon on the root object.
-            forAllVisibleDrawables(renderPhysicalBeacons);
-        }
-
-        if (sRenderMOAPBeacons)
-        {
-            forAllVisibleDrawables(renderMOAPBeacons);
-        }
-
-        if (sRenderParticleBeacons)
-        {
-            forAllVisibleDrawables(renderParticleBeacons);
-        }
-
-        // If god mode, also show audio cues
-        if (sRenderSoundBeacons && gAudiop)
-        {
-            // Walk all sound sources and render out beacons for them. Note, this isn't done in the ForAllVisibleDrawables function, because
-            // some are not visible.
-            LLAudioEngine::source_map::iterator iter;
-            for (iter = gAudiop->mAllSources.begin(); iter != gAudiop->mAllSources.end(); ++iter)
-            {
-                LLAudioSource *sourcep = iter->second;
-
-                LLVector3d pos_global = sourcep->getPositionGlobal();
-                LLVector3  pos        = gAgent.getPosAgentFromGlobal(pos_global);
-                if (gPipeline.sRenderBeacons)
-                {
-                    // pos += LLVector3(0.f, 0.f, 0.2f);
-                    gObjectList.addDebugBeacon(pos, "", LLColor4(1.f, 1.f, 0.f, 0.5f), LLColor4(1.f, 1.f, 1.f, 0.5f), DebugBeaconLineWidth);
-                }
-            }
-            // now deal with highlights for all those seeable sound sources
-            forAllVisibleDrawables(renderSoundHighlights);
-        }
-    }
-    LL_PUSH_CALLSTACKS();
-    // If managing your telehub, draw beacons at telehub and currently selected spawnpoint.
-    if (LLFloaterTelehub::renderBeacons() && !sShadowRender && !gCubeSnapshot)
-    {
-        LLFloaterTelehub::addBeacons();
-    }
-
-    if (!sShadowRender && !gCubeSnapshot)
-    {
-        mSelectedFaces.clear();
-
-        if (!gNonInteractive)
-        {
-            LLPipeline::setRenderHighlightTextureChannel(gFloaterTools->getPanelFace()->getTextureChannelToEdit());
-        }
-
-        // Draw face highlights for selected faces.
-        if (LLSelectMgr::getInstance()->getTEMode())
-        {
-            struct f : public LLSelectedTEFunctor
-            {
-                virtual bool apply(LLViewerObject *object, S32 te)
-                {
-                    if (object->mDrawable)
-                    {
-                        LLFace *facep = object->mDrawable->getFace(te);
-                        if (facep)
-                        {
-                            gPipeline.mSelectedFaces.push_back(facep);
-                        }
-                    }
-                    return true;
-                }
-            } func;
-            LLSelectMgr::getInstance()->getSelection()->applyToTEs(&func);
-        }
-    }
-
-    // LLSpatialGroup::sNoDelete = false;
-    LL_PUSH_CALLSTACKS();
-}
-
-
-void render_hud_elements()
-{
-    LL_PROFILE_ZONE_SCOPED_CATEGORY_UI; //LL_RECORD_BLOCK_TIME(FTM_RENDER_UI);
-	gPipeline.disableLights();
-	
-	LLGLSUIDefault gls_ui;
-
-	//LLGLEnable stencil(GL_STENCIL_TEST);
-	//glStencilFunc(GL_ALWAYS, 255, 0xFFFFFFFF);
-	//glStencilMask(0xFFFFFFFF);
-	//glStencilOp(GL_KEEP, GL_KEEP, GL_REPLACE);
-	
-	gUIProgram.bind();
-    gGL.color4f(1, 1, 1, 1);
-	LLGLDepthTest depth(GL_TRUE, GL_FALSE);
-
-	if (!LLPipeline::sReflectionRender && gPipeline.hasRenderDebugFeatureMask(LLPipeline::RENDER_DEBUG_FEATURE_UI))
-	{
-		gViewerWindow->renderSelections(false, false, false); // For HUD version in render_ui_3d()
-	
-		// Draw the tracking overlays
-		LLTracker::render3D();
-		
-        if (LLWorld::instanceExists())
-        {
-            // Show the property lines
-            LLWorld::getInstance()->renderPropertyLines();
-        }
-		LLViewerParcelMgr::getInstance()->render();
-		LLViewerParcelMgr::getInstance()->renderParcelCollision();
-	}
-	else if (gForceRenderLandFence)
-	{
-		// This is only set when not rendering the UI, for parcel snapshots
-		LLViewerParcelMgr::getInstance()->render();
-	}
-	else if (gPipeline.hasRenderType(LLPipeline::RENDER_TYPE_HUD))
-	{
-		LLHUDText::renderAllHUD();
-	}
-
-	gUIProgram.unbind();
-}
-
-void LLPipeline::renderHighlights()
-{
-	assertInitialized();
-
-	// Draw 3D UI elements here (before we clear the Z buffer in POOL_HUD)
-	// Render highlighted faces.
-	LLGLSPipelineAlpha gls_pipeline_alpha;
-	LLColor4 color(1.f, 1.f, 1.f, 0.5f);
-	disableLights();
-
-	if ((LLViewerShaderMgr::instance()->getShaderLevel(LLViewerShaderMgr::SHADER_INTERFACE) > 0))
-	{
-		gHighlightProgram.bind();
-		gGL.diffuseColor4f(1,1,1,0.5f);
-	}
-	
-	if (hasRenderDebugFeatureMask(RENDER_DEBUG_FEATURE_SELECTED) && !mFaceSelectImagep)
-		{
-			mFaceSelectImagep = LLViewerTextureManager::getFetchedTexture(IMG_FACE_SELECT);
-		}
-
-	if (hasRenderDebugFeatureMask(RENDER_DEBUG_FEATURE_SELECTED) && (sRenderHighlightTextureChannel == LLRender::DIFFUSE_MAP))
-	{
-		// Make sure the selection image gets downloaded and decoded
-		mFaceSelectImagep->addTextureStats((F32)MAX_IMAGE_AREA);
-
-		U32 count = mSelectedFaces.size();
-		for (U32 i = 0; i < count; i++)
-		{
-			LLFace *facep = mSelectedFaces[i];
-			if (!facep || facep->getDrawable()->isDead())
-			{
-				LL_ERRS() << "Bad face on selection" << LL_ENDL;
-				return;
-			}
-			
-			facep->renderSelected(mFaceSelectImagep, color);
-		}
-	}
-
-	if (hasRenderDebugFeatureMask(RENDER_DEBUG_FEATURE_SELECTED))
-	{
-		// Paint 'em red!
-		color.setVec(1.f, 0.f, 0.f, 0.5f);
-		
-		int count = mHighlightFaces.size();
-		for (S32 i = 0; i < count; i++)
-		{
-			LLFace* facep = mHighlightFaces[i];
-			facep->renderSelected(LLViewerTexture::sNullImagep, color);
-		}
-	}
-
-	// Contains a list of the faces of objects that are physical or
-	// have touch-handlers.
-	mHighlightFaces.clear();
-
-	if (LLViewerShaderMgr::instance()->getShaderLevel(LLViewerShaderMgr::SHADER_INTERFACE) > 0)
-	{
-		gHighlightProgram.unbind();
-	}
-
-
-	if (hasRenderDebugFeatureMask(RENDER_DEBUG_FEATURE_SELECTED) && (sRenderHighlightTextureChannel == LLRender::NORMAL_MAP))
-	{
-		color.setVec(1.0f, 0.5f, 0.5f, 0.5f);
-		if ((LLViewerShaderMgr::instance()->getShaderLevel(LLViewerShaderMgr::SHADER_INTERFACE) > 0))
-		{
-			gHighlightNormalProgram.bind();
-			gGL.diffuseColor4f(1,1,1,0.5f);
-		}
-
-		mFaceSelectImagep->addTextureStats((F32)MAX_IMAGE_AREA);
-
-		U32 count = mSelectedFaces.size();
-		for (U32 i = 0; i < count; i++)
-		{
-			LLFace *facep = mSelectedFaces[i];
-			if (!facep || facep->getDrawable()->isDead())
-			{
-				LL_ERRS() << "Bad face on selection" << LL_ENDL;
-				return;
-			}
-
-			facep->renderSelected(mFaceSelectImagep, color);
-		}
-
-		if ((LLViewerShaderMgr::instance()->getShaderLevel(LLViewerShaderMgr::SHADER_INTERFACE) > 0))
-		{
-			gHighlightNormalProgram.unbind();
-		}
-	}
-
-	if (hasRenderDebugFeatureMask(RENDER_DEBUG_FEATURE_SELECTED) && (sRenderHighlightTextureChannel == LLRender::SPECULAR_MAP))
-	{
-		color.setVec(0.0f, 0.3f, 1.0f, 0.8f);
-		if ((LLViewerShaderMgr::instance()->getShaderLevel(LLViewerShaderMgr::SHADER_INTERFACE) > 0))
-		{
-			gHighlightSpecularProgram.bind();
-			gGL.diffuseColor4f(1,1,1,0.5f);
-		}
-
-		mFaceSelectImagep->addTextureStats((F32)MAX_IMAGE_AREA);
-
-		U32 count = mSelectedFaces.size();
-		for (U32 i = 0; i < count; i++)
-		{
-			LLFace *facep = mSelectedFaces[i];
-			if (!facep || facep->getDrawable()->isDead())
-			{
-				LL_ERRS() << "Bad face on selection" << LL_ENDL;
-				return;
-			}
-
-			facep->renderSelected(mFaceSelectImagep, color);
-		}
-
-		if ((LLViewerShaderMgr::instance()->getShaderLevel(LLViewerShaderMgr::SHADER_INTERFACE) > 0))
-		{
-			gHighlightSpecularProgram.unbind();
-		}
-	}
-}
-
-//debug use
-U32 LLPipeline::sCurRenderPoolType = 0 ;
-
-void LLPipeline::renderGeomDeferred(LLCamera& camera, bool do_occlusion)
-{
-	LLAppViewer::instance()->pingMainloopTimeout("Pipeline:RenderGeomDeferred");
-	LL_PROFILE_ZONE_SCOPED_CATEGORY_DRAWPOOL; //LL_RECORD_BLOCK_TIME(FTM_RENDER_GEOMETRY);
-    LL_PROFILE_GPU_ZONE("renderGeomDeferred");
-
-    llassert(!sRenderingHUDs);
-
-    if (gUseWireframe)
-    {
-        glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
-    }
-
-    if (&camera == LLViewerCamera::getInstance())
-    {   // a bit hacky, this is the start of the main render frame, figure out delta between last modelview matrix and 
-        // current modelview matrix
-        glh::matrix4f last_modelview(gGLLastModelView);
-        glh::matrix4f cur_modelview(gGLModelView);
-
-        // goal is to have a matrix here that goes from the last frame's camera space to the current frame's camera space
-        glh::matrix4f m = last_modelview.inverse();  // last camera space to world space
-        m.mult_left(cur_modelview); // world space to camera space
-
-        glh::matrix4f n = m.inverse();
-
-        for (U32 i = 0; i < 16; ++i)
-        {
-            gGLDeltaModelView[i] = m.m[i];
-            gGLInverseDeltaModelView[i] = n.m[i];
-        }
-    }
-
-    bool occlude = LLPipeline::sUseOcclusion > 1 && do_occlusion && !LLGLSLShader::sProfileEnabled;
-
-    setupHWLights();
-
-	{
-		LL_PROFILE_ZONE_NAMED_CATEGORY_DRAWPOOL("deferred pools");
-
-		LLGLEnable cull(GL_CULL_FACE);
-
-		for (pool_set_t::iterator iter = mPools.begin(); iter != mPools.end(); ++iter)
-		{
-			LLDrawPool *poolp = *iter;
-			if (hasRenderType(poolp->getType()))
-			{
-				poolp->prerender();
-			}
-		}
-
-		LLVertexBuffer::unbind();
-
-		LLGLState::checkStates();
-
-        if (LLViewerShaderMgr::instance()->mShaderLevel[LLViewerShaderMgr::SHADER_DEFERRED] > 1)
-        {
-            //update reflection probe uniform
-            mReflectionMapManager.updateUniforms();
-        }
-
-		U32 cur_type = 0;
-
-		gGL.setColorMask(true, true);
-	
-		pool_set_t::iterator iter1 = mPools.begin();
-
-		while ( iter1 != mPools.end() )
-		{
-			LLDrawPool *poolp = *iter1;
-		
-			cur_type = poolp->getType();
-
-            if (occlude && cur_type >= LLDrawPool::POOL_GRASS)
-            {
-                llassert(!gCubeSnapshot); // never do occlusion culling on cube snapshots
-                occlude = false;
-                gGLLastMatrix = NULL;
-                gGL.loadMatrix(gGLModelView);
-                doOcclusion(camera);
-            }
-
-			pool_set_t::iterator iter2 = iter1;
-			if (hasRenderType(poolp->getType()) && poolp->getNumDeferredPasses() > 0)
-			{
-				LL_PROFILE_ZONE_NAMED_CATEGORY_DRAWPOOL("deferred pool render");
-
-				gGLLastMatrix = NULL;
-				gGL.loadMatrix(gGLModelView);
-		
-				for( S32 i = 0; i < poolp->getNumDeferredPasses(); i++ )
-				{
-					LLVertexBuffer::unbind();
-					poolp->beginDeferredPass(i);
-					for (iter2 = iter1; iter2 != mPools.end(); iter2++)
-					{
-						LLDrawPool *p = *iter2;
-						if (p->getType() != cur_type)
-						{
-							break;
-						}
-
-						if ( !p->getSkipRenderFlag() ) { p->renderDeferred(i); }
-					}
-					poolp->endDeferredPass(i);
-					LLVertexBuffer::unbind();
-
-					LLGLState::checkStates();
-				}
-			}
-			else
-			{
-				// Skip all pools of this type
-				for (iter2 = iter1; iter2 != mPools.end(); iter2++)
-				{
-					LLDrawPool *p = *iter2;
-					if (p->getType() != cur_type)
-					{
-						break;
-					}
-				}
-			}
-			iter1 = iter2;
-			stop_glerror();
-		}
-
-		gGLLastMatrix = NULL;
-		gGL.matrixMode(LLRender::MM_MODELVIEW);
-		gGL.loadMatrix(gGLModelView);
-
-		gGL.setColorMask(true, false);
-
-	} // Tracy ZoneScoped
-
-    if (gUseWireframe)
-    {
-        glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
-    }
-}
-
-void LLPipeline::renderGeomPostDeferred(LLCamera& camera)
-{
-	LL_PROFILE_ZONE_SCOPED_CATEGORY_DRAWPOOL;
-    LL_PROFILE_GPU_ZONE("renderGeomPostDeferred");
-
-    if (gUseWireframe)
-    {
-        glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
-    }
-
-	U32 cur_type = 0;
-
-	LLGLEnable cull(GL_CULL_FACE);
-
-    bool done_atmospherics = LLPipeline::sRenderingHUDs; //skip atmospherics on huds
-    bool done_water_haze = done_atmospherics;
-
-    // do atmospheric haze just before post water alpha
-    U32 atmospherics_pass = LLDrawPool::POOL_ALPHA_POST_WATER;
-
-    if (LLPipeline::sUnderWaterRender)
-    { // if under water, do atmospherics just before the water pass
-        atmospherics_pass = LLDrawPool::POOL_WATER;
-    }
-
-    // do water haze just before pre water alpha
-    U32 water_haze_pass = LLDrawPool::POOL_ALPHA_PRE_WATER;
-
-	calcNearbyLights(camera);
-	setupHWLights();
-
-    gGL.setSceneBlendType(LLRender::BT_ALPHA);
-	gGL.setColorMask(true, false);
-
-	pool_set_t::iterator iter1 = mPools.begin();
-
-    if (gDebugGL || gDebugPipeline)
-    {
-        LLGLState::checkStates(GL_FALSE);
-    }
-
-	while ( iter1 != mPools.end() )
-	{
-		LLDrawPool *poolp = *iter1;
-		
-		cur_type = poolp->getType();
-
-        if (cur_type >= atmospherics_pass && !done_atmospherics)
-        { // do atmospherics against depth buffer before rendering alpha
-            doAtmospherics();
-            done_atmospherics = true;
-        }
-
-        if (cur_type >= water_haze_pass && !done_water_haze)
-        { // do water haze against depth buffer before rendering alpha
-            doWaterHaze();
-            done_water_haze = true;
-        }
-
-		pool_set_t::iterator iter2 = iter1;
-		if (hasRenderType(poolp->getType()) && poolp->getNumPostDeferredPasses() > 0)
-		{
-			LL_PROFILE_ZONE_NAMED_CATEGORY_DRAWPOOL("deferred poolrender");
-
-			gGLLastMatrix = NULL;
-			gGL.loadMatrix(gGLModelView);
-		
-			for( S32 i = 0; i < poolp->getNumPostDeferredPasses(); i++ )
-			{
-				LLVertexBuffer::unbind();
-				poolp->beginPostDeferredPass(i);
-				for (iter2 = iter1; iter2 != mPools.end(); iter2++)
-				{
-					LLDrawPool *p = *iter2;
-					if (p->getType() != cur_type)
-					{
-						break;
-					}
-										
-					p->renderPostDeferred(i);
-				}
-				poolp->endPostDeferredPass(i);
-				LLVertexBuffer::unbind();
-
-				if (gDebugGL || gDebugPipeline)
-				{
-					LLGLState::checkStates(GL_FALSE);
-				}
-			}
-		}
-		else
-		{
-			// Skip all pools of this type
-			for (iter2 = iter1; iter2 != mPools.end(); iter2++)
-			{
-				LLDrawPool *p = *iter2;
-				if (p->getType() != cur_type)
-				{
-					break;
-				}
-			}
-		}
-		iter1 = iter2;
-		stop_glerror();
-	}
-
-	gGLLastMatrix = NULL;
-	gGL.matrixMode(LLRender::MM_MODELVIEW);
-	gGL.loadMatrix(gGLModelView);
-
-    if (!gCubeSnapshot)
-    {
-        // debug displays
-        renderHighlights();
-        mHighlightFaces.clear();
-
-        renderDebug();
-    }
-
-    if (gUseWireframe)
-    {
-        glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
-    }
-}
-
-void LLPipeline::renderGeomShadow(LLCamera& camera)
-{
-    LL_PROFILE_ZONE_SCOPED_CATEGORY_PIPELINE;
-    LL_PROFILE_GPU_ZONE("renderGeomShadow");
-    U32 cur_type = 0;
-	
-	LLGLEnable cull(GL_CULL_FACE);
-
-	LLVertexBuffer::unbind();
-
-	pool_set_t::iterator iter1 = mPools.begin();
-	
-	while ( iter1 != mPools.end() )
-	{
-		LLDrawPool *poolp = *iter1;
-		
-		cur_type = poolp->getType();
-
-		pool_set_t::iterator iter2 = iter1;
-		if (hasRenderType(poolp->getType()) && poolp->getNumShadowPasses() > 0)
-		{
-			poolp->prerender() ;
-
-			gGLLastMatrix = NULL;
-			gGL.loadMatrix(gGLModelView);
-		
-			for( S32 i = 0; i < poolp->getNumShadowPasses(); i++ )
-			{
-				LLVertexBuffer::unbind();
-				poolp->beginShadowPass(i);
-				for (iter2 = iter1; iter2 != mPools.end(); iter2++)
-				{
-					LLDrawPool *p = *iter2;
-					if (p->getType() != cur_type)
-					{
-						break;
-					}
-										
-					p->renderShadow(i);
-				}
-				poolp->endShadowPass(i);
-				LLVertexBuffer::unbind();
-			}
-		}
-		else
-		{
-			// Skip all pools of this type
-			for (iter2 = iter1; iter2 != mPools.end(); iter2++)
-			{
-				LLDrawPool *p = *iter2;
-				if (p->getType() != cur_type)
-				{
-					break;
-				}
-			}
-		}
-		iter1 = iter2;
-		stop_glerror();
-	}
-
-	gGLLastMatrix = NULL;
-	gGL.loadMatrix(gGLModelView);
-}
-
-
-static U32 sIndicesDrawnCount = 0;
-
-void LLPipeline::addTrianglesDrawn(S32 index_count)
-{
-    sIndicesDrawnCount += index_count;
-}
-
-void LLPipeline::recordTrianglesDrawn()
-{
-    assertInitialized();
-    U32 count = sIndicesDrawnCount / 3;
-    sIndicesDrawnCount = 0;
-    add(LLStatViewer::TRIANGLES_DRAWN, LLUnits::Triangles::fromValue(count));
-}
-
-void LLPipeline::renderPhysicsDisplay()
-{
-	if (!hasRenderDebugMask(LLPipeline::RENDER_DEBUG_PHYSICS_SHAPES))
-	{
-		return;
-	}
-
-    gGL.flush();
-    gDebugProgram.bind();
-
-    LLGLEnable(GL_POLYGON_OFFSET_LINE);
-    glPolygonOffset(3.f, 3.f);
-    glLineWidth(3.f);
-    LLGLEnable blend(GL_BLEND);
-    gGL.setSceneBlendType(LLRender::BT_ALPHA);
-
-    for (int pass = 0; pass < 3; ++pass)
-    {
-        // pass 0 - depth write enabled, color write disabled, fill
-        // pass 1 - depth write disabled, color write enabled, fill
-        // pass 2 - depth write disabled, color write enabled, wireframe
-        gGL.setColorMask(pass >= 1, false);
-        LLGLDepthTest depth(GL_TRUE, pass == 0);
-
-        bool wireframe = (pass == 2);
-
-        if (wireframe)
-        {
-            glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
-        }
-
-        for (LLWorld::region_list_t::const_iterator iter = LLWorld::getInstance()->getRegionList().begin();
-            iter != LLWorld::getInstance()->getRegionList().end(); ++iter)
-        {
-            LLViewerRegion* region = *iter;
-            for (U32 i = 0; i < LLViewerRegion::NUM_PARTITIONS; i++)
-            {
-                LLSpatialPartition* part = region->getSpatialPartition(i);
-                if (part)
-                {
-                    if (hasRenderType(part->mDrawableType))
-                    {
-                        part->renderPhysicsShapes(wireframe);
-                    }
-                }
-            }
-        }
-        gGL.flush();
-
-        if (wireframe)
-        {
-            glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
-        }
-    }
-    glLineWidth(1.f);
-	gDebugProgram.unbind();
-
-}
-
-extern std::set<LLSpatialGroup*> visible_selected_groups;
-
-void LLPipeline::renderDebug()
-{
-    LL_PROFILE_ZONE_SCOPED_CATEGORY_PIPELINE;
-
-	assertInitialized();
-
-	bool hud_only = hasRenderType(LLPipeline::RENDER_TYPE_HUD);
-
-	if (!hud_only )
-	{
-		//Render any navmesh geometry	
-		LLPathingLib *llPathingLibInstance = LLPathingLib::getInstance();
-		if ( llPathingLibInstance != NULL ) 
-		{
-			//character floater renderables
-			
-			LLHandle<LLFloaterPathfindingCharacters> pathfindingCharacterHandle = LLFloaterPathfindingCharacters::getInstanceHandle();
-			if ( !pathfindingCharacterHandle.isDead() )
-			{
-				LLFloaterPathfindingCharacters *pathfindingCharacter = pathfindingCharacterHandle.get();
-
-				if ( pathfindingCharacter->getVisible() || gAgentCamera.cameraMouselook() )			
-				{	
-					gPathfindingProgram.bind();			
-					gPathfindingProgram.uniform1f(sTint, 1.f);
-					gPathfindingProgram.uniform1f(sAmbiance, 1.f);
-					gPathfindingProgram.uniform1f(sAlphaScale, 1.f);
-
-					//Requried character physics capsule render parameters
-					LLUUID id;					
-					LLVector3 pos;
-					LLQuaternion rot;
-				
-					if ( pathfindingCharacter->isPhysicsCapsuleEnabled( id, pos, rot ) )
-					{
-						//remove blending artifacts
-						gGL.setColorMask(false, false);
-						llPathingLibInstance->renderSimpleShapeCapsuleID( gGL, id, pos, rot );				
-						gGL.setColorMask(true, false);
-						LLGLEnable blend(GL_BLEND);
-						gPathfindingProgram.uniform1f(sAlphaScale, 0.90f);
-						llPathingLibInstance->renderSimpleShapeCapsuleID( gGL, id, pos, rot );
-						gPathfindingProgram.bind();
-					}
-				}
-			}
-			
-
-			//pathing console renderables
-			LLHandle<LLFloaterPathfindingConsole> pathfindingConsoleHandle = LLFloaterPathfindingConsole::getInstanceHandle();
-			if (!pathfindingConsoleHandle.isDead())
-			{
-				LLFloaterPathfindingConsole *pathfindingConsole = pathfindingConsoleHandle.get();
-
-				if ( pathfindingConsole->getVisible() || gAgentCamera.cameraMouselook() )
-				{				
-					F32 ambiance = gSavedSettings.getF32("PathfindingAmbiance");
-
-					gPathfindingProgram.bind();
-			
-					gPathfindingProgram.uniform1f(sTint, 1.f);
-					gPathfindingProgram.uniform1f(sAmbiance, ambiance);
-					gPathfindingProgram.uniform1f(sAlphaScale, 1.f);
-
-					if ( !pathfindingConsole->isRenderWorld() )
-					{
-						const LLColor4 clearColor = gSavedSettings.getColor4("PathfindingNavMeshClear");
-						gGL.setColorMask(true, true);
-						glClearColor(clearColor.mV[0],clearColor.mV[1],clearColor.mV[2],0);
-                        glClear(GL_DEPTH_BUFFER_BIT | GL_COLOR_BUFFER_BIT); // no stencil -- deprecated | GL_STENCIL_BUFFER_BIT);
-						gGL.setColorMask(true, false);
-						glPolygonMode( GL_FRONT_AND_BACK, GL_FILL );	
-					}
-
-					//NavMesh
-					if ( pathfindingConsole->isRenderNavMesh() )
-					{	
-						gGL.flush();
-						glLineWidth(2.0f);	
-						LLGLEnable cull(GL_CULL_FACE);
-						LLGLDisable blend(GL_BLEND);
-						
-						if ( pathfindingConsole->isRenderWorld() )
-						{					
-							LLGLEnable blend(GL_BLEND);
-							gPathfindingProgram.uniform1f(sAlphaScale, 0.66f);
-							llPathingLibInstance->renderNavMesh();
-						}
-						else
-						{
-							llPathingLibInstance->renderNavMesh();
-						}
-						
-						//render edges
-						gPathfindingNoNormalsProgram.bind();
-						gPathfindingNoNormalsProgram.uniform1f(sTint, 1.f);
-						gPathfindingNoNormalsProgram.uniform1f(sAlphaScale, 1.f);
-						llPathingLibInstance->renderNavMeshEdges();
-						gPathfindingProgram.bind();
-
-						gGL.flush();
-						glPolygonMode( GL_FRONT_AND_BACK, GL_FILL );	
-						glLineWidth(1.0f);	
-						gGL.flush();
-					}
-					//User designated path
-					if ( LLPathfindingPathTool::getInstance()->isRenderPath() )
-					{
-						//The path
-						gUIProgram.bind();
-						gGL.getTexUnit(0)->bind(LLViewerFetchedTexture::sWhiteImagep);
-						llPathingLibInstance->renderPath();
-						gPathfindingProgram.bind();
-
-                        //The bookends
-						//remove blending artifacts
-						gGL.setColorMask(false, false);
-						llPathingLibInstance->renderPathBookend( gGL, LLPathingLib::LLPL_START );
-						llPathingLibInstance->renderPathBookend( gGL, LLPathingLib::LLPL_END );
-						
-						gGL.setColorMask(true, false);
-						//render the bookends
-						LLGLEnable blend(GL_BLEND);
-						gPathfindingProgram.uniform1f(sAlphaScale, 0.90f);
-						llPathingLibInstance->renderPathBookend( gGL, LLPathingLib::LLPL_START );
-						llPathingLibInstance->renderPathBookend( gGL, LLPathingLib::LLPL_END );
-						gPathfindingProgram.bind();
-					}
-				
-					if ( pathfindingConsole->isRenderWaterPlane() )
-					{	
-						LLGLEnable blend(GL_BLEND);
-						gPathfindingProgram.uniform1f(sAlphaScale, 0.90f);
-						llPathingLibInstance->renderSimpleShapes( gGL, gAgent.getRegion()->getWaterHeight() );
-					}
-				//physics/exclusion shapes
-				if ( pathfindingConsole->isRenderAnyShapes() )
-				{					
-						U32 render_order[] = {
-							1 << LLPathingLib::LLST_ObstacleObjects,
-							1 << LLPathingLib::LLST_WalkableObjects,
-							1 << LLPathingLib::LLST_ExclusionPhantoms,	
-							1 << LLPathingLib::LLST_MaterialPhantoms,
-						};
-
-						U32 flags = pathfindingConsole->getRenderShapeFlags();
-
-						for (U32 i = 0; i < 4; i++)
-						{
-							if (!(flags & render_order[i]))
-							{
-								continue;
-							}
-
-							//turn off backface culling for volumes so they are visible when camera is inside volume
-							LLGLDisable cull(i >= 2 ? GL_CULL_FACE : 0);
-						
-							gGL.flush();
-							glPolygonMode( GL_FRONT_AND_BACK, GL_FILL );	
-				
-							//get rid of some z-fighting
-							LLGLEnable polyOffset(GL_POLYGON_OFFSET_FILL);
-							glPolygonOffset(1.0f, 1.0f);
-
-							//render to depth first to avoid blending artifacts
-							gGL.setColorMask(false, false);
-							llPathingLibInstance->renderNavMeshShapesVBO( render_order[i] );		
-							gGL.setColorMask(true, false);
-
-							//get rid of some z-fighting
-							glPolygonOffset(0.f, 0.f);
-
-							LLGLEnable blend(GL_BLEND);
-				
-							{
-								gPathfindingProgram.uniform1f(sAmbiance, ambiance);
-
-								{ //draw solid overlay
-									LLGLDepthTest depth(GL_TRUE, GL_FALSE, GL_LEQUAL);
-									llPathingLibInstance->renderNavMeshShapesVBO( render_order[i] );				
-									gGL.flush();				
-								}
-				
-								LLGLEnable lineOffset(GL_POLYGON_OFFSET_LINE);
-								glPolygonMode( GL_FRONT_AND_BACK, GL_LINE );	
-						
-								F32 offset = gSavedSettings.getF32("PathfindingLineOffset");
-
-								if (pathfindingConsole->isRenderXRay())
-								{
-									gPathfindingProgram.uniform1f(sTint, gSavedSettings.getF32("PathfindingXRayTint"));
-									gPathfindingProgram.uniform1f(sAlphaScale, gSavedSettings.getF32("PathfindingXRayOpacity"));
-									LLGLEnable blend(GL_BLEND);
-									LLGLDepthTest depth(GL_TRUE, GL_FALSE, GL_GREATER);
-								
-									glPolygonOffset(offset, -offset);
-								
-									if (gSavedSettings.getBOOL("PathfindingXRayWireframe"))
-									{ //draw hidden wireframe as darker and less opaque
-										gPathfindingProgram.uniform1f(sAmbiance, 1.f);
-										llPathingLibInstance->renderNavMeshShapesVBO( render_order[i] );				
-									}
-									else
-									{
-										glPolygonMode( GL_FRONT_AND_BACK, GL_FILL );	
-										gPathfindingProgram.uniform1f(sAmbiance, ambiance);
-										llPathingLibInstance->renderNavMeshShapesVBO( render_order[i] );				
-										glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
-									}
-								}
-
-								{ //draw visible wireframe as brighter, thicker and more opaque
-									glPolygonOffset(offset, offset);
-									gPathfindingProgram.uniform1f(sAmbiance, 1.f);
-									gPathfindingProgram.uniform1f(sTint, 1.f);
-									gPathfindingProgram.uniform1f(sAlphaScale, 1.f);
-
-									glLineWidth(gSavedSettings.getF32("PathfindingLineWidth"));
-									LLGLDisable blendOut(GL_BLEND);
-									llPathingLibInstance->renderNavMeshShapesVBO( render_order[i] );				
-									gGL.flush();
-									glLineWidth(1.f);
-								}
-				
-								glPolygonMode( GL_FRONT_AND_BACK, GL_FILL );
-							}
-						}
-					}
-
-					glPolygonOffset(0.f, 0.f);
-
-					if ( pathfindingConsole->isRenderNavMesh() && pathfindingConsole->isRenderXRay() )
-					{	//render navmesh xray
-						F32 ambiance = gSavedSettings.getF32("PathfindingAmbiance");
-
-						LLGLEnable lineOffset(GL_POLYGON_OFFSET_LINE);
-						LLGLEnable polyOffset(GL_POLYGON_OFFSET_FILL);
-											
-						F32 offset = gSavedSettings.getF32("PathfindingLineOffset");
-						glPolygonOffset(offset, -offset);
-
-						LLGLEnable blend(GL_BLEND);
-						LLGLDepthTest depth(GL_TRUE, GL_FALSE, GL_GREATER);
-						gGL.flush();				
-						glLineWidth(2.0f);	
-						LLGLEnable cull(GL_CULL_FACE);
-																		
-						gPathfindingProgram.uniform1f(sTint, gSavedSettings.getF32("PathfindingXRayTint"));
-						gPathfindingProgram.uniform1f(sAlphaScale, gSavedSettings.getF32("PathfindingXRayOpacity"));
-								
-						if (gSavedSettings.getBOOL("PathfindingXRayWireframe"))
-						{ //draw hidden wireframe as darker and less opaque
-							glPolygonMode( GL_FRONT_AND_BACK, GL_LINE );	
-							gPathfindingProgram.uniform1f(sAmbiance, 1.f);
-							llPathingLibInstance->renderNavMesh();
-							glPolygonMode( GL_FRONT_AND_BACK, GL_FILL );	
-						}	
-						else
-						{
-							gPathfindingProgram.uniform1f(sAmbiance, ambiance);
-							llPathingLibInstance->renderNavMesh();
-						}
-
-						//render edges
-						gPathfindingNoNormalsProgram.bind();
-						gPathfindingNoNormalsProgram.uniform1f(sTint, gSavedSettings.getF32("PathfindingXRayTint"));
-						gPathfindingNoNormalsProgram.uniform1f(sAlphaScale, gSavedSettings.getF32("PathfindingXRayOpacity"));
-						llPathingLibInstance->renderNavMeshEdges();
-						gPathfindingProgram.bind();
-					
-						gGL.flush();
-						glLineWidth(1.0f);	
-					}
-			
-					glPolygonOffset(0.f, 0.f);
-
-					gGL.flush();
-					gPathfindingProgram.unbind();
-				}
-			}
-		}
-	}
-
-	gGLLastMatrix = NULL;
-	gGL.loadMatrix(gGLModelView);
-	gGL.setColorMask(true, false);
-
-	
-	if (!hud_only && !mDebugBlips.empty())
-	{ //render debug blips
-		gUIProgram.bind();
-        gGL.color4f(1, 1, 1, 1);
-
-		gGL.getTexUnit(0)->bind(LLViewerFetchedTexture::sWhiteImagep, true);
-
-		glPointSize(8.f);
-		LLGLDepthTest depth(GL_TRUE, GL_TRUE, GL_ALWAYS);
-
-		gGL.begin(LLRender::POINTS);
-		for (std::list<DebugBlip>::iterator iter = mDebugBlips.begin(); iter != mDebugBlips.end(); )
-		{
-			DebugBlip& blip = *iter;
-
-			blip.mAge += gFrameIntervalSeconds.value();
-			if (blip.mAge > 2.f)
-			{
-				mDebugBlips.erase(iter++);
-			}
-			else
-			{
-				iter++;
-			}
-
-			blip.mPosition.mV[2] += gFrameIntervalSeconds.value()*2.f;
-
-			gGL.color4fv(blip.mColor.mV);
-			gGL.vertex3fv(blip.mPosition.mV);
-		}
-		gGL.end();
-		gGL.flush();
-		glPointSize(1.f);
-	}
-
-	// Debug stuff.
-	for (LLWorld::region_list_t::const_iterator iter = LLWorld::getInstance()->getRegionList().begin(); 
-			iter != LLWorld::getInstance()->getRegionList().end(); ++iter)
-	{
-		LLViewerRegion* region = *iter;
-		for (U32 i = 0; i < LLViewerRegion::NUM_PARTITIONS; i++)
-		{
-			LLSpatialPartition* part = region->getSpatialPartition(i);
-			if (part)
-			{
-				if ( (hud_only && (part->mDrawableType == RENDER_TYPE_HUD || part->mDrawableType == RENDER_TYPE_HUD_PARTICLES)) ||
-					 (!hud_only && hasRenderType(part->mDrawableType)) )
-				{
-					part->renderDebug();
-				}
-			}
-		}
-	}
-
-	for (LLCullResult::bridge_iterator i = sCull->beginVisibleBridge(); i != sCull->endVisibleBridge(); ++i)
-	{
-		LLSpatialBridge* bridge = *i;
-		if (!bridge->isDead() && hasRenderType(bridge->mDrawableType))
-		{
-			gGL.pushMatrix();
-			gGL.multMatrix((F32*)bridge->mDrawable->getRenderMatrix().mMatrix);
-			bridge->renderDebug();
-			gGL.popMatrix();
-		}
-	}
-
-	if (gPipeline.hasRenderDebugMask(LLPipeline::RENDER_DEBUG_OCCLUSION))
-	{ //render visible selected group occlusion geometry
-		gDebugProgram.bind();
-		LLGLDepthTest depth(GL_TRUE, GL_FALSE);
-		gGL.diffuseColor3f(1,0,1);
-		for (std::set<LLSpatialGroup*>::iterator iter = visible_selected_groups.begin(); iter != visible_selected_groups.end(); ++iter)
-		{
-			LLSpatialGroup* group = *iter;
-
-			LLVector4a fudge;
-			fudge.splat(0.25f); //SG_OCCLUSION_FUDGE
-
-			LLVector4a size;
-			const LLVector4a* bounds = group->getBounds();
-			size.setAdd(fudge, bounds[1]);
-			
-			drawBox(bounds[0], size);
-		}
-	}
-
-	visible_selected_groups.clear();
-
-    //draw reflection probes and links between them
-    if (gPipeline.hasRenderDebugMask(LLPipeline::RENDER_DEBUG_REFLECTION_PROBES) && !hud_only)
-    {
-        mReflectionMapManager.renderDebug();
-    }
-
-    if (gSavedSettings.getBOOL("RenderReflectionProbeVolumes") && !hud_only)
-    {
-        LL_PROFILE_ZONE_NAMED_CATEGORY_PIPELINE("probe debug display");
-
-        bindDeferredShader(gReflectionProbeDisplayProgram, NULL);
-        mScreenTriangleVB->setBuffer();
-
-        LLGLEnable blend(GL_BLEND);
-        LLGLDepthTest depth(GL_FALSE);
-
-        mScreenTriangleVB->drawArrays(LLRender::TRIANGLES, 0, 3);
-
-        unbindDeferredShader(gReflectionProbeDisplayProgram);
-    }
-
-	gUIProgram.bind();
-
-	if (hasRenderDebugMask(LLPipeline::RENDER_DEBUG_RAYCAST) && !hud_only)
-	{ //draw crosshairs on particle intersection
-		if (gDebugRaycastParticle)
-		{
-			gDebugProgram.bind();
-
-			gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
-
-			LLVector3 center(gDebugRaycastParticleIntersection.getF32ptr());
-			LLVector3 size(0.1f, 0.1f, 0.1f);
-
-			LLVector3 p[6];
-
-			p[0] = center + size.scaledVec(LLVector3(1,0,0));
-			p[1] = center + size.scaledVec(LLVector3(-1,0,0));
-			p[2] = center + size.scaledVec(LLVector3(0,1,0));
-			p[3] = center + size.scaledVec(LLVector3(0,-1,0));
-			p[4] = center + size.scaledVec(LLVector3(0,0,1));
-			p[5] = center + size.scaledVec(LLVector3(0,0,-1));
-				
-			gGL.begin(LLRender::LINES);
-			gGL.diffuseColor3f(1.f, 1.f, 0.f);
-			for (U32 i = 0; i < 6; i++)
-			{
-				gGL.vertex3fv(p[i].mV);
-			}
-			gGL.end();
-			gGL.flush();
-
-			gDebugProgram.unbind();
-		}
-	}
-
-	if (hasRenderDebugMask(LLPipeline::RENDER_DEBUG_SHADOW_FRUSTA) && !hud_only)
-	{
-		LLVertexBuffer::unbind();
-
-		LLGLEnable blend(GL_BLEND);
-		LLGLDepthTest depth(true, false);
-		LLGLDisable cull(GL_CULL_FACE);
-
-		gGL.color4f(1,1,1,1);
-		gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
-				
-		F32 a = 0.1f;
-
-		F32 col[] =
-		{
-			1,0,0,a,
-			0,1,0,a,
-			0,0,1,a,
-			1,0,1,a,
-			
-			1,1,0,a,
-			0,1,1,a,
-			1,1,1,a,
-			1,0,1,a,
-		};
-
-		for (U32 i = 0; i < 8; i++)
-		{
-			LLVector3* frust = mShadowCamera[i].mAgentFrustum;
-
-			if (i > 3)
-			{ //render shadow frusta as volumes
-				if (mShadowFrustPoints[i-4].empty())
-				{
-					continue;
-				}
-
-				gGL.color4fv(col+(i-4)*4);	
-			
-				gGL.begin(LLRender::TRIANGLE_STRIP);
-				gGL.vertex3fv(frust[0].mV); gGL.vertex3fv(frust[4].mV);
-				gGL.vertex3fv(frust[1].mV); gGL.vertex3fv(frust[5].mV);
-				gGL.vertex3fv(frust[2].mV); gGL.vertex3fv(frust[6].mV);
-				gGL.vertex3fv(frust[3].mV); gGL.vertex3fv(frust[7].mV);
-				gGL.vertex3fv(frust[0].mV); gGL.vertex3fv(frust[4].mV);
-				gGL.end();
-				
-				
-				gGL.begin(LLRender::TRIANGLE_STRIP);
-				gGL.vertex3fv(frust[0].mV);
-				gGL.vertex3fv(frust[1].mV);
-				gGL.vertex3fv(frust[3].mV);
-				gGL.vertex3fv(frust[2].mV);
-				gGL.end();
-				
-				gGL.begin(LLRender::TRIANGLE_STRIP);
-				gGL.vertex3fv(frust[4].mV);
-				gGL.vertex3fv(frust[5].mV);
-				gGL.vertex3fv(frust[7].mV);
-				gGL.vertex3fv(frust[6].mV);
-				gGL.end();		
-			}
-
-	
-			if (i < 4)
-			{
-				
-				//if (i == 0 || !mShadowFrustPoints[i].empty())
-				{
-					//render visible point cloud
-					gGL.flush();
-					glPointSize(8.f);
-					gGL.begin(LLRender::POINTS);
-					
-					F32* c = col+i*4;
-					gGL.color3fv(c);
-
-					for (U32 j = 0; j < mShadowFrustPoints[i].size(); ++j)
-						{
-							gGL.vertex3fv(mShadowFrustPoints[i][j].mV);
-						
-						}
-					gGL.end();
-
-					gGL.flush();
-					glPointSize(1.f);
-
-					LLVector3* ext = mShadowExtents[i]; 
-					LLVector3 pos = (ext[0]+ext[1])*0.5f;
-					LLVector3 size = (ext[1]-ext[0])*0.5f;
-					drawBoxOutline(pos, size);
-
-					//render camera frustum splits as outlines
-					gGL.begin(LLRender::LINES);
-					gGL.vertex3fv(frust[0].mV); gGL.vertex3fv(frust[1].mV);
-					gGL.vertex3fv(frust[1].mV); gGL.vertex3fv(frust[2].mV);
-					gGL.vertex3fv(frust[2].mV); gGL.vertex3fv(frust[3].mV);
-					gGL.vertex3fv(frust[3].mV); gGL.vertex3fv(frust[0].mV);
-					gGL.vertex3fv(frust[4].mV); gGL.vertex3fv(frust[5].mV);
-					gGL.vertex3fv(frust[5].mV); gGL.vertex3fv(frust[6].mV);
-					gGL.vertex3fv(frust[6].mV); gGL.vertex3fv(frust[7].mV);
-					gGL.vertex3fv(frust[7].mV); gGL.vertex3fv(frust[4].mV);
-					gGL.vertex3fv(frust[0].mV); gGL.vertex3fv(frust[4].mV);
-					gGL.vertex3fv(frust[1].mV); gGL.vertex3fv(frust[5].mV);
-					gGL.vertex3fv(frust[2].mV); gGL.vertex3fv(frust[6].mV);
-					gGL.vertex3fv(frust[3].mV); gGL.vertex3fv(frust[7].mV);
-					gGL.end();
-				}
-			}
-
-			/*gGL.flush();
-			glLineWidth(16-i*2);
-			for (LLWorld::region_list_t::const_iterator iter = LLWorld::getInstance()->getRegionList().begin(); 
-					iter != LLWorld::getInstance()->getRegionList().end(); ++iter)
-			{
-				LLViewerRegion* region = *iter;
-				for (U32 j = 0; j < LLViewerRegion::NUM_PARTITIONS; j++)
-				{
-					LLSpatialPartition* part = region->getSpatialPartition(j);
-					if (part)
-					{
-						if (hasRenderType(part->mDrawableType))
-						{
-							part->renderIntersectingBBoxes(&mShadowCamera[i]);
-						}
-					}
-				}
-			}
-			gGL.flush();
-			glLineWidth(1.f);*/
-		}
-	}
-
-	if (mRenderDebugMask & RENDER_DEBUG_WIND_VECTORS)
-	{
-		gAgent.getRegion()->mWind.renderVectors();
-	}
-	
-	if (mRenderDebugMask & RENDER_DEBUG_COMPOSITION)
-	{
-		// Debug composition layers
-		F32 x, y;
-
-		gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
-
-		if (gAgent.getRegion())
-		{
-			gGL.begin(LLRender::POINTS);
-			// Draw the composition layer for the region that I'm in.
-			for (x = 0; x <= 260; x++)
-			{
-				for (y = 0; y <= 260; y++)
-				{
-					if ((x > 255) || (y > 255))
-					{
-						gGL.color4f(1.f, 0.f, 0.f, 1.f);
-					}
-					else
-					{
-						gGL.color4f(0.f, 0.f, 1.f, 1.f);
-					}
-					F32 z = gAgent.getRegion()->getCompositionXY((S32)x, (S32)y);
-					z *= 5.f;
-					z += 50.f;
-					gGL.vertex3f(x, y, z);
-				}
-			}
-			gGL.end();
-		}
-	}
-
-	gGL.flush();
-	gUIProgram.unbind();
-}
-
-void LLPipeline::rebuildPools()
-{
-    LL_PROFILE_ZONE_SCOPED_CATEGORY_PIPELINE;
-
-	assertInitialized();
-
-	S32 max_count = mPools.size();
-	pool_set_t::iterator iter1 = mPools.upper_bound(mLastRebuildPool);
-	while(max_count > 0 && mPools.size() > 0) // && num_rebuilds < MAX_REBUILDS)
-	{
-		if (iter1 == mPools.end())
-		{
-			iter1 = mPools.begin();
-		}
-		LLDrawPool* poolp = *iter1;
-
-		if (poolp->isDead())
-		{
-			mPools.erase(iter1++);
-			removeFromQuickLookup( poolp );
-			if (poolp == mLastRebuildPool)
-			{
-				mLastRebuildPool = NULL;
-			}
-			delete poolp;
-		}
-		else
-		{
-			mLastRebuildPool = poolp;
-			iter1++;
-		}
-		max_count--;
-	}
-}
-
-void LLPipeline::addToQuickLookup( LLDrawPool* new_poolp )
-{
-	assertInitialized();
-
-	switch( new_poolp->getType() )
-	{
-	case LLDrawPool::POOL_SIMPLE:
-		if (mSimplePool)
-		{
-			llassert(0);
-			LL_WARNS() << "Ignoring duplicate simple pool." << LL_ENDL;
-		}
-		else
-		{
-			mSimplePool = (LLRenderPass*) new_poolp;
-		}
-		break;
-
-	case LLDrawPool::POOL_ALPHA_MASK:
-		if (mAlphaMaskPool)
-		{
-			llassert(0);
-			LL_WARNS() << "Ignoring duplicate alpha mask pool." << LL_ENDL;
-			break;
-		}
-		else
-		{
-			mAlphaMaskPool = (LLRenderPass*) new_poolp;
-		}
-		break;
-
-	case LLDrawPool::POOL_FULLBRIGHT_ALPHA_MASK:
-		if (mFullbrightAlphaMaskPool)
-		{
-			llassert(0);
-			LL_WARNS() << "Ignoring duplicate alpha mask pool." << LL_ENDL;
-			break;
-		}
-		else
-		{
-			mFullbrightAlphaMaskPool = (LLRenderPass*) new_poolp;
-		}
-		break;
-		
-	case LLDrawPool::POOL_GRASS:
-		if (mGrassPool)
-		{
-			llassert(0);
-			LL_WARNS() << "Ignoring duplicate grass pool." << LL_ENDL;
-		}
-		else
-		{
-			mGrassPool = (LLRenderPass*) new_poolp;
-		}
-		break;
-
-	case LLDrawPool::POOL_FULLBRIGHT:
-		if (mFullbrightPool)
-		{
-			llassert(0);
-			LL_WARNS() << "Ignoring duplicate simple pool." << LL_ENDL;
-		}
-		else
-		{
-			mFullbrightPool = (LLRenderPass*) new_poolp;
-		}
-		break;
-
-	case LLDrawPool::POOL_GLOW:
-		if (mGlowPool)
-		{
-			llassert(0);
-			LL_WARNS() << "Ignoring duplicate glow pool." << LL_ENDL;
-		}
-		else
-		{
-			mGlowPool = (LLRenderPass*) new_poolp;
-		}
-		break;
-
-	case LLDrawPool::POOL_TREE:
-		mTreePools[ uintptr_t(new_poolp->getTexture()) ] = new_poolp ;
-		break;
- 
-	case LLDrawPool::POOL_TERRAIN:
-		mTerrainPools[ uintptr_t(new_poolp->getTexture()) ] = new_poolp ;
-		break;
-
-	case LLDrawPool::POOL_BUMP:
-		if (mBumpPool)
-		{
-			llassert(0);
-			LL_WARNS() << "Ignoring duplicate bump pool." << LL_ENDL;
-		}
-		else
-		{
-			mBumpPool = new_poolp;
-		}
-		break;
-	case LLDrawPool::POOL_MATERIALS:
-		if (mMaterialsPool)
-		{
-			llassert(0);
-			LL_WARNS() << "Ignorning duplicate materials pool." << LL_ENDL;
-		}
-		else
-		{
-			mMaterialsPool = new_poolp;
-		}
-		break;
-	case LLDrawPool::POOL_ALPHA_PRE_WATER:
-		if( mAlphaPoolPreWater )
-		{
-			llassert(0);
-			LL_WARNS() << "LLPipeline::addPool(): Ignoring duplicate Alpha pre-water pool" << LL_ENDL;
-		}
-		else
-		{
-			mAlphaPoolPreWater = (LLDrawPoolAlpha*) new_poolp;
-		}
-		break;
-    case LLDrawPool::POOL_ALPHA_POST_WATER:
-        if (mAlphaPoolPostWater)
-        {
-            llassert(0);
-            LL_WARNS() << "LLPipeline::addPool(): Ignoring duplicate Alpha post-water pool" << LL_ENDL;
-        }
-        else
-        {
-            mAlphaPoolPostWater = (LLDrawPoolAlpha*)new_poolp;
-        }
-        break;
-
-	case LLDrawPool::POOL_AVATAR:
-	case LLDrawPool::POOL_CONTROL_AV:
-		break; // Do nothing
-
-	case LLDrawPool::POOL_SKY:
-		if( mSkyPool )
-		{
-			llassert(0);
-			LL_WARNS() << "LLPipeline::addPool(): Ignoring duplicate Sky pool" << LL_ENDL;
-		}
-		else
-		{
-			mSkyPool = new_poolp;
-		}
-		break;
-	
-	case LLDrawPool::POOL_WATER:
-		if( mWaterPool )
-		{
-			llassert(0);
-			LL_WARNS() << "LLPipeline::addPool(): Ignoring duplicate Water pool" << LL_ENDL;
-		}
-		else
-		{
-			mWaterPool = new_poolp;
-		}
-		break;
-
-	case LLDrawPool::POOL_WL_SKY:
-		if( mWLSkyPool )
-		{
-			llassert(0);
-			LL_WARNS() << "LLPipeline::addPool(): Ignoring duplicate WLSky Pool" << LL_ENDL;
-		}
-		else
-		{ 
-			mWLSkyPool = new_poolp;
-		}
-		break;
-
-    case LLDrawPool::POOL_GLTF_PBR:
-        if( mPBROpaquePool )
-        {
-            llassert(0);
-            LL_WARNS() << "LLPipeline::addPool(): Ignoring duplicate PBR Opaque Pool" << LL_ENDL;
-        }
-        else
-        {
-            mPBROpaquePool = new_poolp;
-        }
-        break;
-
-    case LLDrawPool::POOL_GLTF_PBR_ALPHA_MASK:
-        if (mPBRAlphaMaskPool)
-        {
-            llassert(0);
-            LL_WARNS() << "LLPipeline::addPool(): Ignoring duplicate PBR Alpha Mask Pool" << LL_ENDL;
-        }
-        else
-        {
-            mPBRAlphaMaskPool = new_poolp;
-        }
-        break;
-
-
-	default:
-		llassert(0);
-		LL_WARNS() << "Invalid Pool Type in  LLPipeline::addPool()" << LL_ENDL;
-		break;
-	}
-}
-
-void LLPipeline::removePool( LLDrawPool* poolp )
-{
-	assertInitialized();
-	removeFromQuickLookup(poolp);
-	mPools.erase(poolp);
-	delete poolp;
-}
-
-void LLPipeline::removeFromQuickLookup( LLDrawPool* poolp )
-{
-	assertInitialized();
-	switch( poolp->getType() )
-	{
-	case LLDrawPool::POOL_SIMPLE:
-		llassert(mSimplePool == poolp);
-		mSimplePool = NULL;
-		break;
-
-	case LLDrawPool::POOL_ALPHA_MASK:
-		llassert(mAlphaMaskPool == poolp);
-		mAlphaMaskPool = NULL;
-		break;
-
-	case LLDrawPool::POOL_FULLBRIGHT_ALPHA_MASK:
-		llassert(mFullbrightAlphaMaskPool == poolp);
-		mFullbrightAlphaMaskPool = NULL;
-		break;
-
-	case LLDrawPool::POOL_GRASS:
-		llassert(mGrassPool == poolp);
-		mGrassPool = NULL;
-		break;
-
-	case LLDrawPool::POOL_FULLBRIGHT:
-		llassert(mFullbrightPool == poolp);
-		mFullbrightPool = NULL;
-		break;
-
-	case LLDrawPool::POOL_WL_SKY:
-		llassert(mWLSkyPool == poolp);
-		mWLSkyPool = NULL;
-		break;
-
-	case LLDrawPool::POOL_GLOW:
-		llassert(mGlowPool == poolp);
-		mGlowPool = NULL;
-		break;
-
-	case LLDrawPool::POOL_TREE:
-		#ifdef _DEBUG
-			{
-				bool found = mTreePools.erase( (uintptr_t)poolp->getTexture() );
-				llassert( found );
-			}
-		#else
-			mTreePools.erase( (uintptr_t)poolp->getTexture() );
-		#endif
-		break;
-
-	case LLDrawPool::POOL_TERRAIN:
-		#ifdef _DEBUG
-			{
-				bool found = mTerrainPools.erase( (uintptr_t)poolp->getTexture() );
-				llassert( found );
-			}
-		#else
-			mTerrainPools.erase( (uintptr_t)poolp->getTexture() );
-		#endif
-		break;
-
-	case LLDrawPool::POOL_BUMP:
-		llassert( poolp == mBumpPool );
-		mBumpPool = NULL;
-		break;
-	
-	case LLDrawPool::POOL_MATERIALS:
-		llassert(poolp == mMaterialsPool);
-		mMaterialsPool = NULL;
-		break;
-			
-	case LLDrawPool::POOL_ALPHA_PRE_WATER:
-		llassert( poolp == mAlphaPoolPreWater );
-		mAlphaPoolPreWater = nullptr;
-		break;
-    
-    case LLDrawPool::POOL_ALPHA_POST_WATER:
-        llassert(poolp == mAlphaPoolPostWater);
-        mAlphaPoolPostWater = nullptr;
-        break;
-
-	case LLDrawPool::POOL_AVATAR:
-	case LLDrawPool::POOL_CONTROL_AV:
-		break; // Do nothing
-
-	case LLDrawPool::POOL_SKY:
-		llassert( poolp == mSkyPool );
-		mSkyPool = NULL;
-		break;
-
-	case LLDrawPool::POOL_WATER:
-		llassert( poolp == mWaterPool );
-		mWaterPool = NULL;
-		break;
-
-    case LLDrawPool::POOL_GLTF_PBR:
-        llassert( poolp == mPBROpaquePool );
-        mPBROpaquePool = NULL;
-        break;
-
-    case LLDrawPool::POOL_GLTF_PBR_ALPHA_MASK:
-        llassert(poolp == mPBRAlphaMaskPool);
-        mPBRAlphaMaskPool = NULL;
-        break;
-
-	default:
-		llassert(0);
-		LL_WARNS() << "Invalid Pool Type in  LLPipeline::removeFromQuickLookup() type=" << poolp->getType() << LL_ENDL;
-		break;
-	}
-}
-
-void LLPipeline::resetDrawOrders()
-{
-    LL_PROFILE_ZONE_SCOPED_CATEGORY_PIPELINE;
-	assertInitialized();
-	// Iterate through all of the draw pools and rebuild them.
-	for (pool_set_t::iterator iter = mPools.begin(); iter != mPools.end(); ++iter)
-	{
-		LLDrawPool *poolp = *iter;
-		poolp->resetDrawOrders();
-	}
-}
-
-//============================================================================
-// Once-per-frame setup of hardware lights,
-// including sun/moon, avatar backlight, and up to 6 local lights
-
-void LLPipeline::setupAvatarLights(bool for_edit)
-{
-	assertInitialized();
-
-    LLEnvironment& environment = LLEnvironment::instance();
-    LLSettingsSky::ptr_t psky = environment.getCurrentSky();
-
-    bool sun_up = environment.getIsSunUp();
-
-
-	if (for_edit)
-	{
-		LLColor4 diffuse(1.f, 1.f, 1.f, 0.f);
-		LLVector4 light_pos_cam(-8.f, 0.25f, 10.f, 0.f);  // w==0 => directional light
-		LLMatrix4 camera_mat = LLViewerCamera::getInstance()->getModelview();
-		LLMatrix4 camera_rot(camera_mat.getMat3());
-		camera_rot.invert();
-		LLVector4 light_pos = light_pos_cam * camera_rot;
-		
-		light_pos.normalize();
-
-		LLLightState* light = gGL.getLight(1);
-
-		mHWLightColors[1] = diffuse;
-
-		light->setDiffuse(diffuse);
-		light->setAmbient(LLColor4::black);
-		light->setSpecular(LLColor4::black);
-		light->setPosition(light_pos);
-		light->setConstantAttenuation(1.f);
-		light->setLinearAttenuation(0.f);
-		light->setQuadraticAttenuation(0.f);
-		light->setSpotExponent(0.f);
-		light->setSpotCutoff(180.f);
-	}
-	else if (gAvatarBacklight) // Always true (unless overridden in a devs .ini)
-	{
-        LLVector3 light_dir = sun_up ? LLVector3(mSunDir) : LLVector3(mMoonDir);
-		LLVector3 opposite_pos = -light_dir;
-		LLVector3 orthog_light_pos = light_dir % LLVector3::z_axis;
-		LLVector4 backlight_pos = LLVector4(lerp(opposite_pos, orthog_light_pos, 0.3f), 0.0f);
-		backlight_pos.normalize();
-			
-		LLColor4 light_diffuse = sun_up ? mSunDiffuse : mMoonDiffuse;
-
-		LLColor4 backlight_diffuse(1.f - light_diffuse.mV[VRED], 1.f - light_diffuse.mV[VGREEN], 1.f - light_diffuse.mV[VBLUE], 1.f);
-		F32 max_component = 0.001f;
-		for (S32 i = 0; i < 3; i++)
-		{
-			if (backlight_diffuse.mV[i] > max_component)
-			{
-				max_component = backlight_diffuse.mV[i];
-			}
-		}
-		F32 backlight_mag;
-		if (LLEnvironment::instance().getIsSunUp())
-		{
-			backlight_mag = BACKLIGHT_DAY_MAGNITUDE_OBJECT;
-		}
-		else
-		{
-			backlight_mag = BACKLIGHT_NIGHT_MAGNITUDE_OBJECT;
-		}
-		backlight_diffuse *= backlight_mag / max_component;
-
-		mHWLightColors[1] = backlight_diffuse;
-
-		LLLightState* light = gGL.getLight(1);
-
-		light->setPosition(backlight_pos);
-		light->setDiffuse(backlight_diffuse);
-		light->setAmbient(LLColor4::black);
-		light->setSpecular(LLColor4::black);
-		light->setConstantAttenuation(1.f);
-		light->setLinearAttenuation(0.f);
-		light->setQuadraticAttenuation(0.f);
-		light->setSpotExponent(0.f);
-		light->setSpotCutoff(180.f);
-	}
-	else
-	{
-		LLLightState* light = gGL.getLight(1);
-
-		mHWLightColors[1] = LLColor4::black;
-
-		light->setDiffuse(LLColor4::black);
-		light->setAmbient(LLColor4::black);
-		light->setSpecular(LLColor4::black);
-	}
-}
-
-static F32 calc_light_dist(LLVOVolume* light, const LLVector3& cam_pos, F32 max_dist)
-{
-    LL_PROFILE_ZONE_SCOPED_CATEGORY_DRAWPOOL;
-	F32 inten = light->getLightIntensity();
-	if (inten < .001f)
-	{
-		return max_dist;
-	}
-	bool selected = light->isSelected();
-	if (selected)
-	{
-        return 0.f; // selected lights get highest priority
-	}
-    F32 radius = light->getLightRadius();
-    F32 dist = dist_vec(light->getRenderPosition(), cam_pos);
-    dist = llmax(dist - radius, 0.f);
-	if (light->mDrawable.notNull() && light->mDrawable->isState(LLDrawable::ACTIVE))
-	{
-		// moving lights get a little higher priority (too much causes artifacts)
-        dist = llmax(dist - light->getLightRadius()*0.25f, 0.f);
-	}
-	return dist;
-}
-
-void LLPipeline::calcNearbyLights(LLCamera& camera)
-{
-    LL_PROFILE_ZONE_SCOPED_CATEGORY_DRAWPOOL;
-	assertInitialized();
-
-	if (LLPipeline::sReflectionRender || gCubeSnapshot || LLPipeline::sRenderingHUDs)
-	{
-		return;
-	}
-
-    static LLCachedControl<S32> local_light_count(gSavedSettings, "RenderLocalLightCount", 256);
-
-	if (local_light_count >= 1)
-	{
-		// mNearbyLight (and all light_set_t's) are sorted such that
-		// begin() == the closest light and rbegin() == the farthest light
-		const S32 MAX_LOCAL_LIGHTS = 6;
-        LLVector3 cam_pos = camera.getOrigin();
-		
-        F32 max_dist;
-        if (LLPipeline::sRenderDeferred)
-        {
-            max_dist = RenderFarClip;
-        }
-        else
-        {
-            max_dist = llmin(RenderFarClip, LIGHT_MAX_RADIUS * 4.f);
-        }
-
-		// UPDATE THE EXISTING NEARBY LIGHTS
-		light_set_t cur_nearby_lights;
-		for (light_set_t::iterator iter = mNearbyLights.begin();
-			iter != mNearbyLights.end(); iter++)
-		{
-			const Light* light = &(*iter);
-			LLDrawable* drawable = light->drawable;
-            const LLViewerObject *vobj = light->drawable->getVObj();
-            if(vobj && vobj->getAvatar() 
-               && (vobj->getAvatar()->isTooComplex() || vobj->getAvatar()->isInMuteList() || vobj->getAvatar()->isTooSlow())
-               )
-            {
-                drawable->clearState(LLDrawable::NEARBY_LIGHT);
-                continue;
-            }
-
-			LLVOVolume* volight = drawable->getVOVolume();
-			if (!volight || !drawable->isState(LLDrawable::LIGHT))
-			{
-				drawable->clearState(LLDrawable::NEARBY_LIGHT);
-				continue;
-			}
-			if (light->fade <= -LIGHT_FADE_TIME)
-			{
-				drawable->clearState(LLDrawable::NEARBY_LIGHT);
-				continue;
-			}
-			if (!sRenderAttachedLights && volight && volight->isAttachment())
-			{
-				drawable->clearState(LLDrawable::NEARBY_LIGHT);
-				continue;
-			}
-
-            F32 dist = calc_light_dist(volight, cam_pos, max_dist);
-            F32 fade = light->fade;
-            // actual fade gets decreased/increased by setupHWLights
-            // light->fade value is 'time'.
-            // >=0 and light will become visible as value increases
-            // <0 and light will fade out
-            if (dist < max_dist)
-            {
-                if (fade < 0)
-                {
-                    // mark light to fade in
-                    // if fade was -LIGHT_FADE_TIME - it was fully invisible
-                    // if fade -0 - it was fully visible
-                    // visibility goes up from 0 to LIGHT_FADE_TIME.
-                    fade += LIGHT_FADE_TIME;
-                }
-            }
-            else
-            {
-                // mark light to fade out
-                // visibility goes down from -0 to -LIGHT_FADE_TIME.
-                if (fade >= LIGHT_FADE_TIME)
-                {
-                    fade = -0.0001f; // was fully visible
-                }
-                else if (fade >= 0)
-                {
-                    // 0.75 visible light should stay 0.75 visible, but should reverse direction
-                    fade -= LIGHT_FADE_TIME;
-                }
-            }
-            cur_nearby_lights.insert(Light(drawable, dist, fade));
-		}
-		mNearbyLights = cur_nearby_lights;
-				
-		// FIND NEW LIGHTS THAT ARE IN RANGE
-		light_set_t new_nearby_lights;
-		for (LLDrawable::ordered_drawable_set_t::iterator iter = mLights.begin();
-			 iter != mLights.end(); ++iter)
-		{
-			LLDrawable* drawable = *iter;
-			LLVOVolume* light = drawable->getVOVolume();
-			if (!light || drawable->isState(LLDrawable::NEARBY_LIGHT))
-			{
-				continue;
-			}
-			if (light->isHUDAttachment())
-			{
-				continue; // no lighting from HUD objects
-			}
-            if (!sRenderAttachedLights && light && light->isAttachment())
-			{
-				continue;
-			}
-            LLVOAvatar * av = light->getAvatar();
-            if (av && (av->isTooComplex() || av->isInMuteList() || av->isTooSlow()))
-            {
-                // avatars that are already in the list will be removed by removeMutedAVsLights
-                continue;
-            }
-            F32 dist = calc_light_dist(light, cam_pos, max_dist);
-            if (dist >= max_dist)
-			{
-				continue;
-			}
-			new_nearby_lights.insert(Light(drawable, dist, 0.f));
-            if (!LLPipeline::sRenderDeferred && new_nearby_lights.size() > (U32)MAX_LOCAL_LIGHTS)
-			{
-				new_nearby_lights.erase(--new_nearby_lights.end());
-				const Light& last = *new_nearby_lights.rbegin();
-				max_dist = last.dist;
-			}
-		}
-
-		// INSERT ANY NEW LIGHTS
-		for (light_set_t::iterator iter = new_nearby_lights.begin();
-			 iter != new_nearby_lights.end(); iter++)
-		{
-			const Light* light = &(*iter);
-            if (LLPipeline::sRenderDeferred || mNearbyLights.size() < (U32)MAX_LOCAL_LIGHTS)
-			{
-				mNearbyLights.insert(*light);
-				((LLDrawable*) light->drawable)->setState(LLDrawable::NEARBY_LIGHT);
-			}
-			else
-			{
-				// crazy cast so that we can overwrite the fade value
-				// even though gcc enforces sets as const
-				// (fade value doesn't affect sort so this is safe)
-				Light* farthest_light = (const_cast<Light*>(&(*(mNearbyLights.rbegin()))));
-				if (light->dist < farthest_light->dist)
-				{
-                    // mark light to fade out
-                    // visibility goes down from -0 to -LIGHT_FADE_TIME.
-                    //
-                    // This is a mess, but for now it needs to be in sync
-                    // with fade code above. Ex: code above detects distance < max,
-                    // sets fade time to positive, this code then detects closer
-                    // lights and sets fade time negative, fully compensating
-                    // for the code above
-                    if (farthest_light->fade >= LIGHT_FADE_TIME)
-                    {
-                        farthest_light->fade = -0.0001f; // was fully visible
-                    }
-                    else if (farthest_light->fade >= 0)
-                    {
-                        farthest_light->fade -= LIGHT_FADE_TIME;
-                    }
-				}
-				else
-				{
-					break; // none of the other lights are closer
-				}
-			}
-		}
-		
-		//mark nearby lights not-removable.
-		for (light_set_t::iterator iter = mNearbyLights.begin();
-			 iter != mNearbyLights.end(); iter++)
-		{
-			const Light* light = &(*iter);
-			((LLViewerOctreeEntryData*) light->drawable)->setVisible();
-		}
-	}
-}
-
-void LLPipeline::setupHWLights()
-{
-    LL_PROFILE_ZONE_SCOPED_CATEGORY_DRAWPOOL;
-	assertInitialized();
-	
-    if (LLPipeline::sRenderingHUDs)
-    {
-        return;
-    }
-
-    F32 light_scale = 1.f;
-
-    if (gCubeSnapshot)
-    { //darken local lights when probe ambiance is above 1
-        light_scale = mReflectionMapManager.mLightScale;
-    }
-
-
-    LLEnvironment& environment = LLEnvironment::instance();
-    LLSettingsSky::ptr_t psky = environment.getCurrentSky();
-
-    // Ambient
-    LLColor4 ambient = psky->getTotalAmbient();
-
-	gGL.setAmbientLightColor(ambient);
-
-    bool sun_up  = environment.getIsSunUp();
-    bool moon_up = environment.getIsMoonUp();
-
-	// Light 0 = Sun or Moon (All objects)
-	{
-        LLVector4 sun_dir(environment.getSunDirection(), 0.0f);
-        LLVector4 moon_dir(environment.getMoonDirection(), 0.0f);
-
-        mSunDir.setVec(sun_dir);
-        mMoonDir.setVec(moon_dir);
-
-        mSunDiffuse.setVec(psky->getSunlightColor());
-        mMoonDiffuse.setVec(psky->getMoonlightColor());
-
-		F32 max_color = llmax(mSunDiffuse.mV[0], mSunDiffuse.mV[1], mSunDiffuse.mV[2]);
-		if (max_color > 1.f)
-		{
-			mSunDiffuse *= 1.f/max_color;
-		}
-		mSunDiffuse.clamp();
-
-        max_color = llmax(mMoonDiffuse.mV[0], mMoonDiffuse.mV[1], mMoonDiffuse.mV[2]);
-        if (max_color > 1.f)
-        {
-            mMoonDiffuse *= 1.f/max_color;
-        }
-        mMoonDiffuse.clamp();
-
-        // prevent underlighting from having neither lightsource facing us
-        if (!sun_up && !moon_up)
-		{
-            mSunDiffuse.setVec(LLColor4(0.0, 0.0, 0.0, 1.0));
-            mMoonDiffuse.setVec(LLColor4(0.0, 0.0, 0.0, 1.0));
-            mSunDir.setVec(LLVector4(0.0, 1.0, 0.0, 0.0));
-            mMoonDir.setVec(LLVector4(0.0, 1.0, 0.0, 0.0));
-		}
-
-        LLVector4 light_dir = sun_up ? mSunDir : mMoonDir;
-
-        mHWLightColors[0] = sun_up ? mSunDiffuse : mMoonDiffuse;
-
-		LLLightState* light = gGL.getLight(0);
-        light->setPosition(light_dir);
-
-        light->setSunPrimary(sun_up);
-        light->setDiffuse(mHWLightColors[0]);
-        light->setDiffuseB(mMoonDiffuse);
-        light->setAmbient(psky->getTotalAmbient());
-		light->setSpecular(LLColor4::black);
-		light->setConstantAttenuation(1.f);
-		light->setLinearAttenuation(0.f);
-		light->setQuadraticAttenuation(0.f);
-		light->setSpotExponent(0.f);
-		light->setSpotCutoff(180.f);
-	}
-	
-	// Light 1 = Backlight (for avatars)
-	// (set by enableLightsAvatar)
-	
-	S32 cur_light = 2;
-	
-	// Nearby lights = LIGHT 2-7
-
-	mLightMovingMask = 0;
-	
-    static LLCachedControl<S32> local_light_count(gSavedSettings, "RenderLocalLightCount", 256);
-
-	if (local_light_count >= 1)
-	{
-		for (light_set_t::iterator iter = mNearbyLights.begin();
-			 iter != mNearbyLights.end(); ++iter)
-		{
-			LLDrawable* drawable = iter->drawable;
-			LLVOVolume* light = drawable->getVOVolume();
-			if (!light)
-			{
-				continue;
-			}
-
-            if (light->isAttachment())
-            {
-                if (!sRenderAttachedLights)
-                {
-                    continue;
-                }
-            }
-
-			if (drawable->isState(LLDrawable::ACTIVE))
-			{
-				mLightMovingMask |= (1<<cur_light);
-			}
-			
-            //send linear light color to shader
-            LLColor4  light_color = light->getLightLinearColor() * light_scale;
-			light_color.mV[3] = 0.0f;
-
-			F32 fade = iter->fade;
-			if (fade < LIGHT_FADE_TIME)
-			{
-				// fade in/out light
-				if (fade >= 0.f)
-				{
-					fade = fade / LIGHT_FADE_TIME;
-					((Light*) (&(*iter)))->fade += gFrameIntervalSeconds.value();
-				}
-				else
-				{
-					fade = 1.f + fade / LIGHT_FADE_TIME;
-					((Light*) (&(*iter)))->fade -= gFrameIntervalSeconds.value();
-				}
-				fade = llclamp(fade,0.f,1.f);
-				light_color *= fade;
-			}
-
-            if (light_color.magVecSquared() < 0.001f)
-            {
-                continue;
-            }
-
-            LLVector3 light_pos(light->getRenderPosition());
-            LLVector4 light_pos_gl(light_pos, 1.0f);
-
-            F32 adjusted_radius = light->getLightRadius() * (sRenderDeferred ? 1.5f : 1.0f);
-            if (adjusted_radius <= 0.001f)
-            {
-                continue;
-            }
-
-            F32 x = (3.f * (1.f + (light->getLightFalloff() * 2.0f)));  // why this magic?  probably trying to match a historic behavior.
-            F32 linatten = x / adjusted_radius;                         // % of brightness at radius
-
-            mHWLightColors[cur_light] = light_color;
-			LLLightState* light_state = gGL.getLight(cur_light);
-			
-			light_state->setPosition(light_pos_gl);
-			light_state->setDiffuse(light_color);
-			light_state->setAmbient(LLColor4::black);
-			light_state->setConstantAttenuation(0.f);
-            light_state->setSize(light->getLightRadius() * 1.5f);
-            light_state->setFalloff(light->getLightFalloff(DEFERRED_LIGHT_FALLOFF));
-
-			if (sRenderDeferred)
-			{
-				light_state->setLinearAttenuation(linatten);
-				light_state->setQuadraticAttenuation(light->getLightFalloff(DEFERRED_LIGHT_FALLOFF) + 1.f); // get falloff to match for forward deferred rendering lights
-			}
-			else
-			{
-				light_state->setLinearAttenuation(linatten);
-				light_state->setQuadraticAttenuation(0.f);
-			}
-			
-
-			if (light->isLightSpotlight() // directional (spot-)light
-			    && (LLPipeline::sRenderDeferred || RenderSpotLightsInNondeferred)) // these are only rendered as GL spotlights if we're in deferred rendering mode *or* the setting forces them on
-			{
-				LLQuaternion quat = light->getRenderRotation();
-				LLVector3 at_axis(0,0,-1); // this matches deferred rendering's object light direction
-				at_axis *= quat;
-
-				light_state->setSpotDirection(at_axis);
-				light_state->setSpotCutoff(90.f);
-				light_state->setSpotExponent(2.f);
-	
-				LLVector3 spotParams = light->getSpotLightParams();
-
-				const LLColor4 specular(0.f, 0.f, 0.f, spotParams[2]);
-				light_state->setSpecular(specular);
-			}
-			else // omnidirectional (point) light
-			{
-				light_state->setSpotExponent(0.f);
-				light_state->setSpotCutoff(180.f);
-				
-				// we use specular.z = 1.0 as a cheap hack for the shaders to know that this is omnidirectional rather than a spotlight
-				const LLColor4 specular(0.f, 0.f, 1.f, 0.f);
-				light_state->setSpecular(specular);				
-			}
-			cur_light++;
-			if (cur_light >= 8)
-			{
-				break; // safety
-			}
-		}
-	}
-	for ( ; cur_light < 8 ; cur_light++)
-	{
-		mHWLightColors[cur_light] = LLColor4::black;
-		LLLightState* light = gGL.getLight(cur_light);
-        light->setSunPrimary(true);
-		light->setDiffuse(LLColor4::black);
-		light->setAmbient(LLColor4::black);
-		light->setSpecular(LLColor4::black);
-	}
-
-    // Bookmark comment to allow searching for mSpecialRenderMode == 3 (avatar edit mode),
-    // prev site of forward (non-deferred) character light injection, removed by SL-13522 09/20
-
-	// Init GL state
-	for (S32 i = 0; i < 8; ++i)
-	{
-		gGL.getLight(i)->disable();
-	}
-	mLightMask = 0;
-}
-
-void LLPipeline::enableLights(U32 mask)
-{
-	assertInitialized();
-
-	if (mLightMask != mask)
-	{
-		stop_glerror();
-		if (mask)
-		{
-			stop_glerror();
-			for (S32 i=0; i<8; i++)
-			{
-				LLLightState* light = gGL.getLight(i);
-				if (mask & (1<<i))
-				{
-					light->enable();
-					light->setDiffuse(mHWLightColors[i]);
-				}
-				else
-				{
-					light->disable();
-					light->setDiffuse(LLColor4::black);
-				}
-			}
-			stop_glerror();
-		}
-		mLightMask = mask;
-		stop_glerror();
-	}
-}
-
-void LLPipeline::enableLightsDynamic()
-{
-	assertInitialized();
-	U32 mask = 0xff & (~2); // Local lights
-	enableLights(mask);
-	
-	if (isAgentAvatarValid())
-	{
-		if (gAgentAvatarp->mSpecialRenderMode == 0) // normal
-		{
-			gPipeline.enableLightsAvatar();
-		}
-		else if (gAgentAvatarp->mSpecialRenderMode == 2)  // anim preview
-		{
-			gPipeline.enableLightsAvatarEdit(LLColor4(0.7f, 0.6f, 0.3f, 1.f));
-		}
-	}
-}
-
-void LLPipeline::enableLightsAvatar()
-{
-	U32 mask = 0xff; // All lights
-	setupAvatarLights(false);
-	enableLights(mask);
-}
-
-void LLPipeline::enableLightsPreview()
-{
-	disableLights();
-
-	LLColor4 ambient = PreviewAmbientColor;
-	gGL.setAmbientLightColor(ambient);
-
-	LLColor4 diffuse0 = PreviewDiffuse0;
-	LLColor4 specular0 = PreviewSpecular0;
-	LLColor4 diffuse1 = PreviewDiffuse1;
-	LLColor4 specular1 = PreviewSpecular1;
-	LLColor4 diffuse2 = PreviewDiffuse2;
-	LLColor4 specular2 = PreviewSpecular2;
-
-	LLVector3 dir0 = PreviewDirection0;
-	LLVector3 dir1 = PreviewDirection1;
-	LLVector3 dir2 = PreviewDirection2;
-
-	dir0.normVec();
-	dir1.normVec();
-	dir2.normVec();
-	
-	LLVector4 light_pos(dir0, 0.0f);
-
-	LLLightState* light = gGL.getLight(1);
-
-	light->enable();
-	light->setPosition(light_pos);
-	light->setDiffuse(diffuse0);
-	light->setAmbient(ambient);
-	light->setSpecular(specular0);
-	light->setSpotExponent(0.f);
-	light->setSpotCutoff(180.f);
-
-	light_pos = LLVector4(dir1, 0.f);
-
-	light = gGL.getLight(2);
-	light->enable();
-	light->setPosition(light_pos);
-	light->setDiffuse(diffuse1);
-	light->setAmbient(ambient);
-	light->setSpecular(specular1);
-	light->setSpotExponent(0.f);
-	light->setSpotCutoff(180.f);
-
-	light_pos = LLVector4(dir2, 0.f);
-	light = gGL.getLight(3);
-	light->enable();
-	light->setPosition(light_pos);
-	light->setDiffuse(diffuse2);
-	light->setAmbient(ambient);
-	light->setSpecular(specular2);
-	light->setSpotExponent(0.f);
-	light->setSpotCutoff(180.f);
-}
-
-
-void LLPipeline::enableLightsAvatarEdit(const LLColor4& color)
-{
-	U32 mask = 0x2002; // Avatar backlight only, set ambient
-	setupAvatarLights(true);
-	enableLights(mask);
-
-	gGL.setAmbientLightColor(color);
-}
-
-void LLPipeline::enableLightsFullbright()
-{
-	assertInitialized();
-	U32 mask = 0x1000; // Non-0 mask, set ambient
-	enableLights(mask);
-}
-
-void LLPipeline::disableLights()
-{
-	enableLights(0); // no lighting (full bright)
-}
-
-//============================================================================
-
-class LLMenuItemGL;
-class LLInvFVBridge;
-struct cat_folder_pair;
-class LLVOBranch;
-class LLVOLeaf;
-
-void LLPipeline::findReferences(LLDrawable *drawablep)
-{
-	assertInitialized();
-	if (mLights.find(drawablep) != mLights.end())
-	{
-		LL_INFOS() << "In mLights" << LL_ENDL;
-	}
-	if (std::find(mMovedList.begin(), mMovedList.end(), drawablep) != mMovedList.end())
-	{
-		LL_INFOS() << "In mMovedList" << LL_ENDL;
-	}
-	if (std::find(mShiftList.begin(), mShiftList.end(), drawablep) != mShiftList.end())
-	{
-		LL_INFOS() << "In mShiftList" << LL_ENDL;
-	}
-	if (mRetexturedList.find(drawablep) != mRetexturedList.end())
-	{
-		LL_INFOS() << "In mRetexturedList" << LL_ENDL;
-	}
-	
-	if (std::find(mBuildQ1.begin(), mBuildQ1.end(), drawablep) != mBuildQ1.end())
-	{
-		LL_INFOS() << "In mBuildQ1" << LL_ENDL;
-	}
-	
-	S32 count;
-	
-	count = gObjectList.findReferences(drawablep);
-	if (count)
-	{
-		LL_INFOS() << "In other drawables: " << count << " references" << LL_ENDL;
-	}
-}
-
-bool LLPipeline::verify()
-{
-	bool ok = assertInitialized();
-	if (ok) 
-	{
-		for (pool_set_t::iterator iter = mPools.begin(); iter != mPools.end(); ++iter)
-		{
-			LLDrawPool *poolp = *iter;
-			if (!poolp->verify())
-			{
-				ok = false;
-			}
-		}
-	}
-
-	if (!ok)
-	{
-		LL_WARNS() << "Pipeline verify failed!" << LL_ENDL;
-	}
-	return ok;
-}
-
-//////////////////////////////
-//
-// Collision detection
-//
-//
-
-///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-/**
- *	A method to compute a ray-AABB intersection.
- *	Original code by Andrew Woo, from "Graphics Gems", Academic Press, 1990
- *	Optimized code by Pierre Terdiman, 2000 (~20-30% faster on my Celeron 500)
- *	Epsilon value added by Klaus Hartmann. (discarding it saves a few cycles only)
- *
- *	Hence this version is faster as well as more robust than the original one.
- *
- *	Should work provided:
- *	1) the integer representation of 0.0f is 0x00000000
- *	2) the sign bit of the float is the most significant one
- *
- *	Report bugs: p.terdiman@codercorner.com
- *
- *	\param		aabb		[in] the axis-aligned bounding box
- *	\param		origin		[in] ray origin
- *	\param		dir			[in] ray direction
- *	\param		coord		[out] impact coordinates
- *	\return		true if ray intersects AABB
- */
-///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-//#define RAYAABB_EPSILON 0.00001f
-#define IR(x)	((U32&)x)
-
-bool LLRayAABB(const LLVector3 &center, const LLVector3 &size, const LLVector3& origin, const LLVector3& dir, LLVector3 &coord, F32 epsilon)
-{
-	bool Inside = true;
-	LLVector3 MinB = center - size;
-	LLVector3 MaxB = center + size;
-	LLVector3 MaxT;
-	MaxT.mV[VX]=MaxT.mV[VY]=MaxT.mV[VZ]=-1.0f;
-
-	// Find candidate planes.
-	for(U32 i=0;i<3;i++)
-	{
-		if(origin.mV[i] < MinB.mV[i])
-		{
-			coord.mV[i]	= MinB.mV[i];
-			Inside		= false;
-
-			// Calculate T distances to candidate planes
-			if(IR(dir.mV[i]))	MaxT.mV[i] = (MinB.mV[i] - origin.mV[i]) / dir.mV[i];
-		}
-		else if(origin.mV[i] > MaxB.mV[i])
-		{
-			coord.mV[i]	= MaxB.mV[i];
-			Inside		= false;
-
-			// Calculate T distances to candidate planes
-			if(IR(dir.mV[i]))	MaxT.mV[i] = (MaxB.mV[i] - origin.mV[i]) / dir.mV[i];
-		}
-	}
-
-	// Ray origin inside bounding box
-	if(Inside)
-	{
-		coord = origin;
-		return true;
-	}
-
-	// Get largest of the maxT's for final choice of intersection
-	U32 WhichPlane = 0;
-	if(MaxT.mV[1] > MaxT.mV[WhichPlane])	WhichPlane = 1;
-	if(MaxT.mV[2] > MaxT.mV[WhichPlane])	WhichPlane = 2;
-
-	// Check final candidate actually inside box
-	if(IR(MaxT.mV[WhichPlane])&0x80000000) return false;
-
-	for(U32 i=0;i<3;i++)
-	{
-		if(i!=WhichPlane)
-		{
-			coord.mV[i] = origin.mV[i] + MaxT.mV[WhichPlane] * dir.mV[i];
-			if (epsilon > 0)
-			{
-				if(coord.mV[i] < MinB.mV[i] - epsilon || coord.mV[i] > MaxB.mV[i] + epsilon)	return false;
-			}
-			else
-			{
-				if(coord.mV[i] < MinB.mV[i] || coord.mV[i] > MaxB.mV[i])	return false;
-			}
-		}
-	}
-	return true;	// ray hits box
-}
-
-//////////////////////////////
-//
-// Macros, functions, and inline methods from other classes
-//
-//
-
-void LLPipeline::setLight(LLDrawable *drawablep, bool is_light)
-{
-	if (drawablep && assertInitialized())
-	{
-		if (is_light)
-		{
-			mLights.insert(drawablep);
-			drawablep->setState(LLDrawable::LIGHT);
-		}
-		else
-		{
-			drawablep->clearState(LLDrawable::LIGHT);
-			mLights.erase(drawablep);
-		}
-	}
-}
-
-//static
-void LLPipeline::toggleRenderType(U32 type)
-{
-	gPipeline.mRenderTypeEnabled[type] = !gPipeline.mRenderTypeEnabled[type];
-	if (type == LLPipeline::RENDER_TYPE_WATER)
-	{
-		gPipeline.mRenderTypeEnabled[LLPipeline::RENDER_TYPE_VOIDWATER] = !gPipeline.mRenderTypeEnabled[LLPipeline::RENDER_TYPE_VOIDWATER];
-	}
-}
-
-//static
-void LLPipeline::toggleRenderTypeControl(U32 type)
-{
-	gPipeline.toggleRenderType(type);
-}
-
-//static
-bool LLPipeline::hasRenderTypeControl(U32 type)
-{
-	return gPipeline.hasRenderType(type);
-}
-
-// Allows UI items labeled "Hide foo" instead of "Show foo"
-//static
-bool LLPipeline::toggleRenderTypeControlNegated(S32 type)
-{
-	return !gPipeline.hasRenderType(type);
-}
-
-//static
-void LLPipeline::toggleRenderDebug(U64 bit)
-{
-	if (gPipeline.hasRenderDebugMask(bit))
-	{
-		LL_INFOS() << "Toggling render debug mask " << std::hex << bit << " off" << std::dec << LL_ENDL;
-	}
-	else
-	{
-		LL_INFOS() << "Toggling render debug mask " << std::hex << bit << " on" << std::dec << LL_ENDL;
-	}
-	gPipeline.mRenderDebugMask ^= bit;
-}
-
-
-//static
-bool LLPipeline::toggleRenderDebugControl(U64 bit)
-{
-	return gPipeline.hasRenderDebugMask(bit);
-}
-
-//static
-void LLPipeline::toggleRenderDebugFeature(U32 bit)
-{
-	gPipeline.mRenderDebugFeatureMask ^= bit;
-}
-
-
-//static
-bool LLPipeline::toggleRenderDebugFeatureControl(U32 bit)
-{
-	return gPipeline.hasRenderDebugFeatureMask(bit);
-}
-
-void LLPipeline::setRenderDebugFeatureControl(U32 bit, bool value)
-{
-	if (value)
-	{
-		gPipeline.mRenderDebugFeatureMask |= bit;
-	}
-	else
-	{
-		gPipeline.mRenderDebugFeatureMask &= !bit;
-	}
-}
-
-void LLPipeline::pushRenderDebugFeatureMask()
-{
-	mRenderDebugFeatureStack.push(mRenderDebugFeatureMask);
-}
-
-void LLPipeline::popRenderDebugFeatureMask()
-{
-	if (mRenderDebugFeatureStack.empty())
-	{
-		LL_ERRS() << "Depleted render feature stack." << LL_ENDL;
-	}
-
-	mRenderDebugFeatureMask = mRenderDebugFeatureStack.top();
-	mRenderDebugFeatureStack.pop();
-}
-
-// static
-void LLPipeline::setRenderScriptedBeacons(bool val)
-{
-	sRenderScriptedBeacons = val;
-}
-
-// static
-void LLPipeline::toggleRenderScriptedBeacons()
-{
-	sRenderScriptedBeacons = !sRenderScriptedBeacons;
-}
-
-// static
-bool LLPipeline::getRenderScriptedBeacons()
-{
-	return sRenderScriptedBeacons;
-}
-
-// static
-void LLPipeline::setRenderScriptedTouchBeacons(bool val)
-{
-	sRenderScriptedTouchBeacons = val;
-}
-
-// static
-void LLPipeline::toggleRenderScriptedTouchBeacons()
-{
-	sRenderScriptedTouchBeacons = !sRenderScriptedTouchBeacons;
-}
-
-// static
-bool LLPipeline::getRenderScriptedTouchBeacons()
-{
-	return sRenderScriptedTouchBeacons;
-}
-
-// static
-void LLPipeline::setRenderMOAPBeacons(bool val)
-{
-	sRenderMOAPBeacons = val;
-}
-
-// static
-void LLPipeline::toggleRenderMOAPBeacons()
-{
-	sRenderMOAPBeacons = !sRenderMOAPBeacons;
-}
-
-// static
-bool LLPipeline::getRenderMOAPBeacons()
-{
-	return sRenderMOAPBeacons;
-}
-
-// static
-void LLPipeline::setRenderPhysicalBeacons(bool val)
-{
-	sRenderPhysicalBeacons = val;
-}
-
-// static
-void LLPipeline::toggleRenderPhysicalBeacons()
-{
-	sRenderPhysicalBeacons = !sRenderPhysicalBeacons;
-}
-
-// static
-bool LLPipeline::getRenderPhysicalBeacons()
-{
-	return sRenderPhysicalBeacons;
-}
-
-// static
-void LLPipeline::setRenderParticleBeacons(bool val)
-{
-	sRenderParticleBeacons = val;
-}
-
-// static
-void LLPipeline::toggleRenderParticleBeacons()
-{
-	sRenderParticleBeacons = !sRenderParticleBeacons;
-}
-
-// static
-bool LLPipeline::getRenderParticleBeacons()
-{
-	return sRenderParticleBeacons;
-}
-
-// static
-void LLPipeline::setRenderSoundBeacons(bool val)
-{
-	sRenderSoundBeacons = val;
-}
-
-// static
-void LLPipeline::toggleRenderSoundBeacons()
-{
-	sRenderSoundBeacons = !sRenderSoundBeacons;
-}
-
-// static
-bool LLPipeline::getRenderSoundBeacons()
-{
-	return sRenderSoundBeacons;
-}
-
-// static
-void LLPipeline::setRenderBeacons(bool val)
-{
-	sRenderBeacons = val;
-}
-
-// static
-void LLPipeline::toggleRenderBeacons()
-{
-	sRenderBeacons = !sRenderBeacons;
-}
-
-// static
-bool LLPipeline::getRenderBeacons()
-{
-	return sRenderBeacons;
-}
-
-// static
-void LLPipeline::setRenderHighlights(bool val)
-{
-	sRenderHighlight = val;
-}
-
-// static
-void LLPipeline::toggleRenderHighlights()
-{
-	sRenderHighlight = !sRenderHighlight;
-}
-
-// static
-bool LLPipeline::getRenderHighlights()
-{
-	return sRenderHighlight;
-}
-
-// static
-void LLPipeline::setRenderHighlightTextureChannel(LLRender::eTexIndex channel)
-{
-	sRenderHighlightTextureChannel = channel;
-}
-
-LLVOPartGroup* LLPipeline::lineSegmentIntersectParticle(const LLVector4a& start, const LLVector4a& end, LLVector4a* intersection,
-														S32* face_hit)
-{
-	LLVector4a local_end = end;
-
-	LLVector4a position;
-
-	LLDrawable* drawable = NULL;
-
-	for (LLWorld::region_list_t::const_iterator iter = LLWorld::getInstance()->getRegionList().begin(); 
-			iter != LLWorld::getInstance()->getRegionList().end(); ++iter)
-	{
-		LLViewerRegion* region = *iter;
-
-		LLSpatialPartition* part = region->getSpatialPartition(LLViewerRegion::PARTITION_PARTICLE);
-		if (part && hasRenderType(part->mDrawableType))
-		{
-			LLDrawable* hit = part->lineSegmentIntersect(start, local_end, true, false, true, false, face_hit, &position, NULL, NULL, NULL);
-			if (hit)
-			{
-				drawable = hit;
-				local_end = position;						
-			}
-		}
-	}
-
-	LLVOPartGroup* ret = NULL;
-	if (drawable)
-	{
-		//make sure we're returning an LLVOPartGroup
-		llassert(drawable->getVObj()->getPCode() == LLViewerObject::LL_VO_PART_GROUP);
-		ret = (LLVOPartGroup*) drawable->getVObj().get();
-	}
-		
-	if (intersection)
-	{
-		*intersection = position;
-	}
-
-	return ret;
-}
-
-LLViewerObject* LLPipeline::lineSegmentIntersectInWorld(const LLVector4a& start, const LLVector4a& end,
-														bool pick_transparent,
-														bool pick_rigged,
-                                                        bool pick_unselectable,
-                                                        bool pick_reflection_probe,
-														S32* face_hit,
-														LLVector4a* intersection,         // return the intersection point
-														LLVector2* tex_coord,            // return the texture coordinates of the intersection point
-														LLVector4a* normal,               // return the surface normal at the intersection point
-														LLVector4a* tangent             // return the surface tangent at the intersection point
-	)
-{
-	LLDrawable* drawable = NULL;
-
-	LLVector4a local_end = end;
-
-	LLVector4a position;
-
-	sPickAvatar = false; //! LLToolMgr::getInstance()->inBuildMode();
-	
-	for (LLWorld::region_list_t::const_iterator iter = LLWorld::getInstance()->getRegionList().begin(); 
-			iter != LLWorld::getInstance()->getRegionList().end(); ++iter)
-	{
-		LLViewerRegion* region = *iter;
-
-		for (U32 j = 0; j < LLViewerRegion::NUM_PARTITIONS; j++)
-		{
-			if ((j == LLViewerRegion::PARTITION_VOLUME) || 
-				(j == LLViewerRegion::PARTITION_BRIDGE) ||
-                (j == LLViewerRegion::PARTITION_AVATAR) || // for attachments
-				(j == LLViewerRegion::PARTITION_CONTROL_AV) ||
-				(j == LLViewerRegion::PARTITION_TERRAIN) ||
-				(j == LLViewerRegion::PARTITION_TREE) ||
-				(j == LLViewerRegion::PARTITION_GRASS))  // only check these partitions for now
-			{
-				LLSpatialPartition* part = region->getSpatialPartition(j);
-				if (part && hasRenderType(part->mDrawableType))
-				{
-					LLDrawable* hit = part->lineSegmentIntersect(start, local_end, pick_transparent, pick_rigged, pick_unselectable, pick_reflection_probe, face_hit, &position, tex_coord, normal, tangent);
-					if (hit)
-					{
-						drawable = hit;
-						local_end = position;						
-					}
-				}
-			}
-		}
-	}
-	
-	if (!sPickAvatar)
-	{
-		//save hit info in case we need to restore
-		//due to attachment override
-		LLVector4a local_normal;
-		LLVector4a local_tangent;
-		LLVector2 local_texcoord;
-		S32 local_face_hit = -1;
-
-		if (face_hit)
-		{ 
-			local_face_hit = *face_hit;
-		}
-		if (tex_coord)
-		{
-			local_texcoord = *tex_coord;
-		}
-		if (tangent)
-		{
-			local_tangent = *tangent;
-		}
-		else
-		{
-			local_tangent.clear();
-		}
-		if (normal)
-		{
-			local_normal = *normal;
-		}
-		else
-		{
-			local_normal.clear();
-		}
-				
-		const F32 ATTACHMENT_OVERRIDE_DIST = 0.1f;
-
-		//check against avatars
-		sPickAvatar = true;
-		for (LLWorld::region_list_t::const_iterator iter = LLWorld::getInstance()->getRegionList().begin(); 
-				iter != LLWorld::getInstance()->getRegionList().end(); ++iter)
-		{
-			LLViewerRegion* region = *iter;
-
-			LLSpatialPartition* part = region->getSpatialPartition(LLViewerRegion::PARTITION_AVATAR);
-			if (part && hasRenderType(part->mDrawableType))
-			{
-				LLDrawable* hit = part->lineSegmentIntersect(start, local_end, pick_transparent, pick_rigged, pick_unselectable, pick_reflection_probe, face_hit, &position, tex_coord, normal, tangent);
-				if (hit)
-				{
-					LLVector4a delta;
-					delta.setSub(position, local_end);
-
-					if (!drawable || 
-						!drawable->getVObj()->isAttachment() ||
-						delta.getLength3().getF32() > ATTACHMENT_OVERRIDE_DIST)
-					{ //avatar overrides if previously hit drawable is not an attachment or 
-					  //attachment is far enough away from detected intersection
-						drawable = hit;
-						local_end = position;						
-					}
-					else
-					{ //prioritize attachments over avatars
-						position = local_end;
-
-						if (face_hit)
-						{
-							*face_hit = local_face_hit;
-						}
-						if (tex_coord)
-						{
-							*tex_coord = local_texcoord;
-						}
-						if (tangent)
-						{
-							*tangent = local_tangent;
-						}
-						if (normal)
-						{
-							*normal = local_normal;
-						}
-					}
-				}
-			}
-		}
-	}
-
-	//check all avatar nametags (silly, isn't it?)
-	for (std::vector< LLCharacter* >::iterator iter = LLCharacter::sInstances.begin();
-		iter != LLCharacter::sInstances.end();
-		++iter)
-	{
-		LLVOAvatar* av = (LLVOAvatar*) *iter;
-		if (av->mNameText.notNull()
-			&& av->mNameText->lineSegmentIntersect(start, local_end, position))
-		{
-			drawable = av->mDrawable;
-			local_end = position;
-		}
-	}
-
-	if (intersection)
-	{
-		*intersection = position;
-	}
-
-	return drawable ? drawable->getVObj().get() : NULL;
-}
-
-LLViewerObject* LLPipeline::lineSegmentIntersectInHUD(const LLVector4a& start, const LLVector4a& end,
-													  bool pick_transparent,													
-													  S32* face_hit,
-													  LLVector4a* intersection,         // return the intersection point
-													  LLVector2* tex_coord,            // return the texture coordinates of the intersection point
-													  LLVector4a* normal,               // return the surface normal at the intersection point
-													  LLVector4a* tangent				// return the surface tangent at the intersection point
-	)
-{
-	LLDrawable* drawable = NULL;
-
-	for (LLWorld::region_list_t::const_iterator iter = LLWorld::getInstance()->getRegionList().begin(); 
-			iter != LLWorld::getInstance()->getRegionList().end(); ++iter)
-	{
-		LLViewerRegion* region = *iter;
-
-		bool toggle = false;
-		if (!hasRenderType(LLPipeline::RENDER_TYPE_HUD))
-		{
-			toggleRenderType(LLPipeline::RENDER_TYPE_HUD);
-			toggle = true;
-		}
-
-		LLSpatialPartition* part = region->getSpatialPartition(LLViewerRegion::PARTITION_HUD);
-		if (part)
-		{
-			LLDrawable* hit = part->lineSegmentIntersect(start, end, pick_transparent, false, true, false, face_hit, intersection, tex_coord, normal, tangent);
-			if (hit)
-			{
-				drawable = hit;
-			}
-		}
-
-		if (toggle)
-		{
-			toggleRenderType(LLPipeline::RENDER_TYPE_HUD);
-		}
-	}
-	return drawable ? drawable->getVObj().get() : NULL;
-}
-
-LLSpatialPartition* LLPipeline::getSpatialPartition(LLViewerObject* vobj)
-{
-	if (vobj)
-	{
-		LLViewerRegion* region = vobj->getRegion();
-		if (region)
-		{
-			return region->getSpatialPartition(vobj->getPartitionType());
-		}
-	}
-	return NULL;
-}
-
-void LLPipeline::resetVertexBuffers(LLDrawable* drawable)
-{
-	if (!drawable)
-	{
-		return;
-	}
-
-	for (S32 i = 0; i < drawable->getNumFaces(); i++)
-	{
-		LLFace* facep = drawable->getFace(i);
-		if (facep)
-		{
-			facep->clearVertexBuffer();
-		}
-	}
-}
-
-void LLPipeline::renderObjects(U32 type, bool texture, bool batch_texture, bool rigged)
-{
-	assertInitialized();
-	gGL.loadMatrix(gGLModelView);
-	gGLLastMatrix = NULL;
-
-    if (rigged)
-    {
-        mSimplePool->pushRiggedBatches(type + 1, texture, batch_texture);
-    }
-    else
-    {
-        mSimplePool->pushBatches(type, texture, batch_texture);
-    }
-
-    gGL.loadMatrix(gGLModelView);
-	gGLLastMatrix = NULL;		
-}
-
-void LLPipeline::renderGLTFObjects(U32 type, bool texture, bool rigged)
-{
-    assertInitialized();
-    gGL.loadMatrix(gGLModelView);
-    gGLLastMatrix = NULL;
-
-    if (rigged)
-    {
-        mSimplePool->pushRiggedGLTFBatches(type + 1, texture);
-    }
-    else
-    {
-        mSimplePool->pushGLTFBatches(type, texture);
-    }
-
-    gGL.loadMatrix(gGLModelView);
-    gGLLastMatrix = NULL;
-}
-
-// Currently only used for shadows -Cosmic,2023-04-19
-void LLPipeline::renderAlphaObjects(bool rigged)
-{
-    LL_PROFILE_ZONE_SCOPED_CATEGORY_PIPELINE;
-    assertInitialized();
-    gGL.loadMatrix(gGLModelView);
-    gGLLastMatrix = NULL;
-    S32 sun_up = LLEnvironment::instance().getIsSunUp() ? 1 : 0;
-    U32 target_width = LLRenderTarget::sCurResX;
-    U32 type = LLRenderPass::PASS_ALPHA;
-    LLVOAvatar* lastAvatar = nullptr;
-    U64 lastMeshId = 0;
-    auto* begin = gPipeline.beginRenderMap(type);
-    auto* end = gPipeline.endRenderMap(type);
-
-    for (LLCullResult::drawinfo_iterator i = begin; i != end; )
-    {
-        LLDrawInfo* pparams = *i;
-        LLCullResult::increment_iterator(i, end);
-
-        if (rigged != (pparams->mAvatar != nullptr))
-        {
-            // Pool contains both rigged and non-rigged DrawInfos. Only draw
-            // the objects we're interested in in this pass.
-            continue;
-        }
-
-        if (rigged)
-        {
-            if (pparams->mGLTFMaterial)
-            {
-                gDeferredShadowGLTFAlphaBlendProgram.bind(rigged);
-                LLGLSLShader::sCurBoundShaderPtr->uniform1i(LLShaderMgr::SUN_UP_FACTOR, sun_up);
-                LLGLSLShader::sCurBoundShaderPtr->uniform1f(LLShaderMgr::DEFERRED_SHADOW_TARGET_WIDTH, (float)target_width);
-                LLGLSLShader::sCurBoundShaderPtr->setMinimumAlpha(ALPHA_BLEND_CUTOFF);
-                mSimplePool->pushRiggedGLTFBatch(*pparams, lastAvatar, lastMeshId);
-            }
-            else
-            {
-                gDeferredShadowAlphaMaskProgram.bind(rigged);
-                LLGLSLShader::sCurBoundShaderPtr->uniform1i(LLShaderMgr::SUN_UP_FACTOR, sun_up);
-                LLGLSLShader::sCurBoundShaderPtr->uniform1f(LLShaderMgr::DEFERRED_SHADOW_TARGET_WIDTH, (float)target_width);
-                LLGLSLShader::sCurBoundShaderPtr->setMinimumAlpha(ALPHA_BLEND_CUTOFF);
-                if (lastAvatar != pparams->mAvatar || lastMeshId != pparams->mSkinInfo->mHash)
-                {
-                    mSimplePool->uploadMatrixPalette(*pparams);
-                    lastAvatar = pparams->mAvatar;
-                    lastMeshId = pparams->mSkinInfo->mHash;
-                }
-
-                mSimplePool->pushBatch(*pparams, true, true);
-            }
-        }
-        else
-        {
-            if (pparams->mGLTFMaterial)
-            {
-                gDeferredShadowGLTFAlphaBlendProgram.bind(rigged);
-                LLGLSLShader::sCurBoundShaderPtr->uniform1i(LLShaderMgr::SUN_UP_FACTOR, sun_up);
-                LLGLSLShader::sCurBoundShaderPtr->uniform1f(LLShaderMgr::DEFERRED_SHADOW_TARGET_WIDTH, (float)target_width);
-                LLGLSLShader::sCurBoundShaderPtr->setMinimumAlpha(ALPHA_BLEND_CUTOFF);
-                mSimplePool->pushGLTFBatch(*pparams);
-            }
-            else
-            {
-                gDeferredShadowAlphaMaskProgram.bind(rigged);
-                LLGLSLShader::sCurBoundShaderPtr->uniform1i(LLShaderMgr::SUN_UP_FACTOR, sun_up);
-                LLGLSLShader::sCurBoundShaderPtr->uniform1f(LLShaderMgr::DEFERRED_SHADOW_TARGET_WIDTH, (float)target_width);
-                LLGLSLShader::sCurBoundShaderPtr->setMinimumAlpha(ALPHA_BLEND_CUTOFF);
-                mSimplePool->pushBatch(*pparams, true, true);
-            }
-        }
-    }
-
-    gGL.loadMatrix(gGLModelView);
-    gGLLastMatrix = NULL;
-}
-
-// Currently only used for shadows -Cosmic,2023-04-19
-void LLPipeline::renderMaskedObjects(U32 type, bool texture, bool batch_texture, bool rigged)
-{
-	assertInitialized();
-	gGL.loadMatrix(gGLModelView);
-	gGLLastMatrix = NULL;
-    if (rigged)
-    {
-        mAlphaMaskPool->pushRiggedMaskBatches(type+1, texture, batch_texture);
-    }
-    else
-    {
-        mAlphaMaskPool->pushMaskBatches(type, texture, batch_texture);
-    }
-	gGL.loadMatrix(gGLModelView);
-	gGLLastMatrix = NULL;		
-}
-
-// Currently only used for shadows -Cosmic,2023-04-19
-void LLPipeline::renderFullbrightMaskedObjects(U32 type, bool texture, bool batch_texture, bool rigged)
-{
-	assertInitialized();
-	gGL.loadMatrix(gGLModelView);
-	gGLLastMatrix = NULL;
-    if (rigged)
-    {
-        mFullbrightAlphaMaskPool->pushRiggedMaskBatches(type+1, texture, batch_texture);
-    }
-    else
-    {
-        mFullbrightAlphaMaskPool->pushMaskBatches(type, texture, batch_texture);
-    }
-	gGL.loadMatrix(gGLModelView);
-	gGLLastMatrix = NULL;		
-}
-
-void apply_cube_face_rotation(U32 face)
-{
-	switch (face)
-	{
-		case 0: 
-			gGL.rotatef(90.f, 0, 1, 0);
-			gGL.rotatef(180.f, 1, 0, 0);
-		break;
-		case 2: 
-			gGL.rotatef(-90.f, 1, 0, 0);
-		break;
-		case 4:
-			gGL.rotatef(180.f, 0, 1, 0);
-			gGL.rotatef(180.f, 0, 0, 1);
-		break;
-		case 1: 
-			gGL.rotatef(-90.f, 0, 1, 0);
-			gGL.rotatef(180.f, 1, 0, 0);
-		break;
-		case 3:
-			gGL.rotatef(90, 1, 0, 0);
-		break;
-		case 5: 
-			gGL.rotatef(180, 0, 0, 1);
-		break;
-	}
-}
-
-void validate_framebuffer_object()
-{                                                           
-	GLenum status;                                            
-	status = glCheckFramebufferStatus(GL_FRAMEBUFFER_EXT); 
-	switch(status) 
-	{                                          
-		case GL_FRAMEBUFFER_COMPLETE:                       
-			//framebuffer OK, no error.
-			break;
-		case GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT:
-			// frame buffer not OK: probably means unsupported depth buffer format
-			LL_ERRS() << "Framebuffer Incomplete Missing Attachment." << LL_ENDL;
-			break;
-		case GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT:
-			// frame buffer not OK: probably means unsupported depth buffer format
-			LL_ERRS() << "Framebuffer Incomplete Attachment." << LL_ENDL;
-			break; 
-		case GL_FRAMEBUFFER_UNSUPPORTED:                    
-			/* choose different formats */                        
-			LL_ERRS() << "Framebuffer unsupported." << LL_ENDL;
-			break;                                                
-		default:                                                
-			LL_ERRS() << "Unknown framebuffer status." << LL_ENDL;
-			break;
-	}
-}
-
-void LLPipeline::bindScreenToTexture() 
-{
-	
-}
-
-static LLTrace::BlockTimerStatHandle FTM_RENDER_BLOOM("Bloom");
-
-void LLPipeline::visualizeBuffers(LLRenderTarget* src, LLRenderTarget* dst, U32 bufferIndex)
-{
-	dst->bindTarget();
-	gDeferredBufferVisualProgram.bind();
-	gDeferredBufferVisualProgram.bindTexture(LLShaderMgr::DEFERRED_DIFFUSE, src, false, LLTexUnit::TFO_BILINEAR, bufferIndex);
-
-	static LLStaticHashedString mipLevel("mipLevel");
-	if (RenderBufferVisualization != 4)
-		gDeferredBufferVisualProgram.uniform1f(mipLevel, 0);
-	else
-		gDeferredBufferVisualProgram.uniform1f(mipLevel, 8);
-
-	mScreenTriangleVB->setBuffer();
-	mScreenTriangleVB->drawArrays(LLRender::TRIANGLES, 0, 3);
-	gDeferredBufferVisualProgram.unbind();
-	dst->flush();
-}
-
-void LLPipeline::generateLuminance(LLRenderTarget* src, LLRenderTarget* dst)
-{
-	// luminance sample and mipmap generation
-	{
-		LL_PROFILE_GPU_ZONE("luminance sample");
-
-		dst->bindTarget();
-
-		LLGLDepthTest depth(GL_FALSE, GL_FALSE);
-
-		gLuminanceProgram.bind();
-
-		S32 channel = 0;
-		channel = gLuminanceProgram.enableTexture(LLShaderMgr::DEFERRED_DIFFUSE);
-		if (channel > -1)
-		{
-			src->bindTexture(0, channel, LLTexUnit::TFO_POINT);
-		}
-
-		channel = gLuminanceProgram.enableTexture(LLShaderMgr::DEFERRED_EMISSIVE);
-		if (channel > -1)
-		{
-			mGlow[1].bindTexture(0, channel);
-		}
-
-		mScreenTriangleVB->setBuffer();
-		mScreenTriangleVB->drawArrays(LLRender::TRIANGLES, 0, 3);
-		dst->flush();
-
-		// note -- unbind AFTER the glGenerateMipMap so time in generatemipmap can be profiled under "Luminance"
-		// also note -- keep an eye on the performance of glGenerateMipmap, might need to replace it with a mip generation shader
-		gLuminanceProgram.unbind();
-	}
-}
-
-void LLPipeline::generateExposure(LLRenderTarget* src, LLRenderTarget* dst) {
-	// exposure sample
-	{
-		LL_PROFILE_GPU_ZONE("exposure sample");
-
-		{
-			// copy last frame's exposure into mLastExposure
-			mLastExposure.bindTarget();
-			gCopyProgram.bind();
-			gGL.getTexUnit(0)->bind(dst);
-
-			mScreenTriangleVB->setBuffer();
-			mScreenTriangleVB->drawArrays(LLRender::TRIANGLES, 0, 3);
-
-			mLastExposure.flush();
-		}
-
-		dst->bindTarget();
-
-		LLGLDepthTest depth(GL_FALSE, GL_FALSE);
-
-		gExposureProgram.bind();
-
-		S32 channel = gExposureProgram.enableTexture(LLShaderMgr::DEFERRED_EMISSIVE);
-		if (channel > -1)
-		{
-			mLuminanceMap.bindTexture(0, channel, LLTexUnit::TFO_TRILINEAR);
-		}
-
-		channel = gExposureProgram.enableTexture(LLShaderMgr::EXPOSURE_MAP);
-		if (channel > -1)
-		{
-			mLastExposure.bindTexture(0, channel);
-		}
-
-		static LLStaticHashedString dt("dt");
-		static LLStaticHashedString noiseVec("noiseVec");
-		static LLStaticHashedString dynamic_exposure_params("dynamic_exposure_params");
-		static LLCachedControl<F32> dynamic_exposure_coefficient(gSavedSettings, "RenderDynamicExposureCoefficient", 0.175f);
-        static LLCachedControl<bool> should_auto_adjust(gSavedSettings, "RenderSkyAutoAdjustLegacy", true);
-
-        LLSettingsSky::ptr_t sky = LLEnvironment::instance().getCurrentSky();
-
-        F32 probe_ambiance = LLEnvironment::instance().getCurrentSky()->getReflectionProbeAmbiance(should_auto_adjust);
-        F32 exp_min = 1.f;
-        F32 exp_max = 1.f;
-                
-        if (probe_ambiance > 0.f)
-        {
-            F32 hdr_scale = sqrtf(LLEnvironment::instance().getCurrentSky()->getGamma())*2.f;
-
-            if (hdr_scale > 1.f)
-            {
-                exp_min = 1.f / hdr_scale;
-                exp_max = hdr_scale;
-            }
-        }
-		gExposureProgram.uniform1f(dt, gFrameIntervalSeconds);
-		gExposureProgram.uniform2f(noiseVec, ll_frand() * 2.0 - 1.0, ll_frand() * 2.0 - 1.0);
-		gExposureProgram.uniform3f(dynamic_exposure_params, dynamic_exposure_coefficient, exp_min, exp_max);
-
-		mScreenTriangleVB->setBuffer();
-		mScreenTriangleVB->drawArrays(LLRender::TRIANGLES, 0, 3);
-
-		gGL.getTexUnit(channel)->unbind(mLastExposure.getUsage());
-		gExposureProgram.unbind();
-		dst->flush();
-	}
-}
-
-void LLPipeline::gammaCorrect(LLRenderTarget* src, LLRenderTarget* dst) {
-	dst->bindTarget();
-	// gamma correct lighting
-	{
-		LL_PROFILE_GPU_ZONE("gamma correct");
-
-        static LLCachedControl<bool> buildNoPost(gSavedSettings, "RenderDisablePostProcessing", false);
-
-		LLGLDepthTest depth(GL_FALSE, GL_FALSE);
-
-		// Apply gamma correction to the frame here.
-
-        static LLCachedControl<bool> should_auto_adjust(gSavedSettings, "RenderSkyAutoAdjustLegacy", true);
-        
-        LLSettingsSky::ptr_t psky = LLEnvironment::instance().getCurrentSky();
-
-        bool no_post = gSnapshotNoPost || (buildNoPost && gFloaterTools->isAvailable());
-        LLGLSLShader& shader = no_post ? gNoPostGammaCorrectProgram : // no post (no gamma, no exposure, no tonemapping)
-            psky->getReflectionProbeAmbiance(should_auto_adjust) == 0.f ? gLegacyPostGammaCorrectProgram :
-            gDeferredPostGammaCorrectProgram;
-        
-        shader.bind();
-
-		S32 channel = 0;
-
-        shader.bindTexture(LLShaderMgr::DEFERRED_DIFFUSE, src, false, LLTexUnit::TFO_POINT);
-
-        shader.bindTexture(LLShaderMgr::EXPOSURE_MAP, &mExposureMap);
-
-        shader.uniform2f(LLShaderMgr::DEFERRED_SCREEN_RES, src->getWidth(), src->getHeight());
-
-		static LLCachedControl<F32> exposure(gSavedSettings, "RenderExposure", 1.f);
-
-		F32 e = llclamp(exposure(), 0.5f, 4.f);
-
-		static LLStaticHashedString s_exposure("exposure");
-
-        shader.uniform1f(s_exposure, e);
-
-		mScreenTriangleVB->setBuffer();
-		mScreenTriangleVB->drawArrays(LLRender::TRIANGLES, 0, 3);
-
-		gGL.getTexUnit(channel)->unbind(src->getUsage());
-        shader.unbind();
-	}
-	dst->flush();
-}
-
-void LLPipeline::copyScreenSpaceReflections(LLRenderTarget* src, LLRenderTarget* dst) 
-{
-
-	if (RenderScreenSpaceReflections && !gCubeSnapshot)
-	{
-		LL_PROFILE_GPU_ZONE("ssr copy");
-		LLGLDepthTest depth(GL_TRUE, GL_TRUE, GL_ALWAYS);
-
-		LLRenderTarget& depth_src = mRT->deferredScreen;
-
-		dst->bindTarget();
-		dst->clear();
-		gCopyDepthProgram.bind();
-
-		S32 diff_map = gCopyDepthProgram.getTextureChannel(LLShaderMgr::DIFFUSE_MAP);
-		S32 depth_map = gCopyDepthProgram.getTextureChannel(LLShaderMgr::DEFERRED_DEPTH);
-
-		gGL.getTexUnit(diff_map)->bind(src);
-		gGL.getTexUnit(depth_map)->bind(&depth_src, true);
-
-		mScreenTriangleVB->setBuffer();
-		mScreenTriangleVB->drawArrays(LLRender::TRIANGLES, 0, 3);
-
-		dst->flush();
-	}
-}
-
-void LLPipeline::generateGlow(LLRenderTarget* src) 
-{
-	if (sRenderGlow)
-	{
-		LL_PROFILE_GPU_ZONE("glow");
-		mGlow[2].bindTarget();
-		mGlow[2].clear();
-
-		gGlowExtractProgram.bind();
-		F32 maxAlpha = RenderGlowMaxExtractAlpha;
-		F32 warmthAmount = RenderGlowWarmthAmount;
-		LLVector3 lumWeights = RenderGlowLumWeights;
-		LLVector3 warmthWeights = RenderGlowWarmthWeights;
-
-		gGlowExtractProgram.uniform1f(LLShaderMgr::GLOW_MIN_LUMINANCE, 9999);
-		gGlowExtractProgram.uniform1f(LLShaderMgr::GLOW_MAX_EXTRACT_ALPHA, maxAlpha);
-		gGlowExtractProgram.uniform3f(LLShaderMgr::GLOW_LUM_WEIGHTS, lumWeights.mV[0], lumWeights.mV[1],
-			lumWeights.mV[2]);
-		gGlowExtractProgram.uniform3f(LLShaderMgr::GLOW_WARMTH_WEIGHTS, warmthWeights.mV[0], warmthWeights.mV[1],
-			warmthWeights.mV[2]);
-		gGlowExtractProgram.uniform1f(LLShaderMgr::GLOW_WARMTH_AMOUNT, warmthAmount);
-
-        if (RenderGlowNoise)
-        {
-            S32 channel = gGlowExtractProgram.enableTexture(LLShaderMgr::GLOW_NOISE_MAP);
-            if (channel > -1)
-            {
-                gGL.getTexUnit(channel)->bindManual(LLTexUnit::TT_TEXTURE, mTrueNoiseMap);
-                gGL.getTexUnit(channel)->setTextureFilteringOption(LLTexUnit::TFO_POINT);
-            }
-            gGlowExtractProgram.uniform2f(LLShaderMgr::DEFERRED_SCREEN_RES,
-                                          mGlow[2].getWidth(),
-                                          mGlow[2].getHeight());
-        }
-
-		{
-			LLGLEnable blend_on(GL_BLEND);
-
-			gGL.setSceneBlendType(LLRender::BT_ADD_WITH_ALPHA);
-
-			gGlowExtractProgram.bindTexture(LLShaderMgr::DIFFUSE_MAP, src);
-
-			gGL.color4f(1, 1, 1, 1);
-			gPipeline.enableLightsFullbright();
-
-			mScreenTriangleVB->setBuffer();
-			mScreenTriangleVB->drawArrays(LLRender::TRIANGLES, 0, 3);
-
-			mGlow[2].flush();
-		}
-
-		gGlowExtractProgram.unbind();
-
-		// power of two between 1 and 1024
-		U32 glowResPow = RenderGlowResolutionPow;
-		const U32 glow_res = llmax(1, llmin(1024, 1 << glowResPow));
-
-		S32 kernel = RenderGlowIterations * 2;
-		F32 delta = RenderGlowWidth / glow_res;
-		// Use half the glow width if we have the res set to less than 9 so that it looks
-		// almost the same in either case.
-		if (glowResPow < 9)
-		{
-			delta *= 0.5f;
-		}
-		F32 strength = RenderGlowStrength;
-
-		gGlowProgram.bind();
-		gGlowProgram.uniform1f(LLShaderMgr::GLOW_STRENGTH, strength);
-
-		for (S32 i = 0; i < kernel; i++)
-		{
-			mGlow[i % 2].bindTarget();
-			mGlow[i % 2].clear();
-
-			if (i == 0)
-			{
-				gGlowProgram.bindTexture(LLShaderMgr::DIFFUSE_MAP, &mGlow[2]);
-			}
-			else
-			{
-				gGlowProgram.bindTexture(LLShaderMgr::DIFFUSE_MAP, &mGlow[(i - 1) % 2]);
-			}
-
-			if (i % 2 == 0)
-			{
-				gGlowProgram.uniform2f(LLShaderMgr::GLOW_DELTA, delta, 0);
-			}
-			else
-			{
-				gGlowProgram.uniform2f(LLShaderMgr::GLOW_DELTA, 0, delta);
-			}
-
-			mScreenTriangleVB->setBuffer();
-			mScreenTriangleVB->drawArrays(LLRender::TRIANGLES, 0, 3);
-
-			mGlow[i % 2].flush();
-		}
-
-		gGlowProgram.unbind();
-
-	}
-	else // !sRenderGlow, skip the glow ping-pong and just clear the result target
-	{
-		mGlow[1].bindTarget();
-		mGlow[1].clear();
-		mGlow[1].flush();
-	}
-}
-
-void LLPipeline::applyFXAA(LLRenderTarget* src, LLRenderTarget* dst) 
-{
-	{
-		llassert(!gCubeSnapshot);
-		bool multisample = RenderFSAASamples > 1 && mRT->fxaaBuffer.isComplete();
-		LLGLSLShader* shader = &gGlowCombineProgram;
-
-		S32 width = dst->getWidth();
-		S32 height = dst->getHeight();
-
-		// Present everything.
-		if (multisample)
-		{
-			LL_PROFILE_GPU_ZONE("aa");
-			// bake out texture2D with RGBL for FXAA shader
-			mRT->fxaaBuffer.bindTarget();
-
-			shader = &gGlowCombineFXAAProgram;
-			shader->bind();
-
-			S32 channel = shader->enableTexture(LLShaderMgr::DEFERRED_DIFFUSE, src->getUsage());
-			if (channel > -1)
-			{
-				src->bindTexture(0, channel, LLTexUnit::TFO_BILINEAR);
-			}
-
-			{
-				LLGLDepthTest depth_test(GL_TRUE, GL_TRUE, GL_ALWAYS);
-				mScreenTriangleVB->setBuffer();
-				mScreenTriangleVB->drawArrays(LLRender::TRIANGLES, 0, 3);
-			}
-
-			shader->disableTexture(LLShaderMgr::DEFERRED_DIFFUSE, src->getUsage());
-			shader->unbind();
-
-			mRT->fxaaBuffer.flush();
-
-			dst->bindTarget();
-			shader = &gFXAAProgram;
-			shader->bind();
-
-			channel = shader->enableTexture(LLShaderMgr::DIFFUSE_MAP, mRT->fxaaBuffer.getUsage());
-			if (channel > -1)
-			{
-				mRT->fxaaBuffer.bindTexture(0, channel, LLTexUnit::TFO_BILINEAR);
-			}
-
-			gGLViewport[0] = gViewerWindow->getWorldViewRectRaw().mLeft;
-			gGLViewport[1] = gViewerWindow->getWorldViewRectRaw().mBottom;
-			gGLViewport[2] = gViewerWindow->getWorldViewRectRaw().getWidth();
-			gGLViewport[3] = gViewerWindow->getWorldViewRectRaw().getHeight();
-
-			glViewport(gGLViewport[0], gGLViewport[1], gGLViewport[2], gGLViewport[3]);
-
-			F32 scale_x = (F32)width / mRT->fxaaBuffer.getWidth();
-			F32 scale_y = (F32)height / mRT->fxaaBuffer.getHeight();
-			shader->uniform2f(LLShaderMgr::FXAA_TC_SCALE, scale_x, scale_y);
-			shader->uniform2f(LLShaderMgr::FXAA_RCP_SCREEN_RES, 1.f / width * scale_x, 1.f / height * scale_y);
-			shader->uniform4f(LLShaderMgr::FXAA_RCP_FRAME_OPT, -0.5f / width * scale_x, -0.5f / height * scale_y,
-				0.5f / width * scale_x, 0.5f / height * scale_y);
-			shader->uniform4f(LLShaderMgr::FXAA_RCP_FRAME_OPT2, -2.f / width * scale_x, -2.f / height * scale_y,
-				2.f / width * scale_x, 2.f / height * scale_y);
-
-			{
-				LLGLDepthTest depth_test(GL_TRUE, GL_TRUE, GL_ALWAYS);
-				S32 depth_channel = shader->getTextureChannel(LLShaderMgr::DEFERRED_DEPTH);
-				gGL.getTexUnit(depth_channel)->bind(&mRT->deferredScreen, true);
-
-				mScreenTriangleVB->setBuffer();
-				mScreenTriangleVB->drawArrays(LLRender::TRIANGLES, 0, 3);
-			}
-
-			shader->unbind();
-			dst->flush();
-		}
-		else {
-			copyRenderTarget(src, dst);
-		}
-	}
-}
-
-void LLPipeline::copyRenderTarget(LLRenderTarget* src, LLRenderTarget* dst)
-{
-
-	LL_PROFILE_GPU_ZONE("copyRenderTarget");
-	dst->bindTarget();
-
-	gDeferredPostNoDoFProgram.bind();
-
-	gDeferredPostNoDoFProgram.bindTexture(LLShaderMgr::DEFERRED_DIFFUSE, src);
-	gDeferredPostNoDoFProgram.bindTexture(LLShaderMgr::DEFERRED_DEPTH, &mRT->deferredScreen, true);
-
-	{
-		mScreenTriangleVB->setBuffer();
-		mScreenTriangleVB->drawArrays(LLRender::TRIANGLES, 0, 3);
-	}
-
-	gDeferredPostNoDoFProgram.unbind();
-
-	dst->flush();
-}
-
-void LLPipeline::combineGlow(LLRenderTarget* src, LLRenderTarget* dst)
-{
-	// Go ahead and do our glow combine here in our destination.  We blit this later into the front buffer.
-
-	dst->bindTarget();
-
-	{
-
-		gGlowCombineProgram.bind();
-
-		gGlowCombineProgram.bindTexture(LLShaderMgr::DEFERRED_DIFFUSE, src);
-		gGlowCombineProgram.bindTexture(LLShaderMgr::DEFERRED_EMISSIVE, &mGlow[1]);
-
-		mScreenTriangleVB->setBuffer();
-		mScreenTriangleVB->drawArrays(LLRender::TRIANGLES, 0, 3);
-	}
-
-	dst->flush();
-}
-
-void LLPipeline::renderDoF(LLRenderTarget* src, LLRenderTarget* dst)
-{
-	{
-		bool dof_enabled =
-			(RenderDepthOfFieldInEditMode || !LLToolMgr::getInstance()->inBuildMode()) &&
-			RenderDepthOfField &&
-			!gCubeSnapshot;
-
-		gViewerWindow->setup3DViewport();
-
-		if (dof_enabled)
-		{
-			LL_PROFILE_GPU_ZONE("dof");
-			LLGLDisable blend(GL_BLEND);
-
-			// depth of field focal plane calculations
-			static F32 current_distance = 16.f;
-			static F32 start_distance = 16.f;
-			static F32 transition_time = 1.f;
-
-			LLVector3 focus_point;
-
-			LLViewerObject* obj = LLViewerMediaFocus::getInstance()->getFocusedObject();
-			if (obj && obj->mDrawable && obj->isSelected())
-			{ // focus on selected media object
-				S32 face_idx = LLViewerMediaFocus::getInstance()->getFocusedFace();
-				if (obj && obj->mDrawable)
-				{
-					LLFace* face = obj->mDrawable->getFace(face_idx);
-					if (face)
-					{
-						focus_point = face->getPositionAgent();
-					}
-				}
-			}
-
-			if (focus_point.isExactlyZero())
-			{
-				if (LLViewerJoystick::getInstance()->getOverrideCamera())
-				{ // focus on point under cursor
-					focus_point.set(gDebugRaycastIntersection.getF32ptr());
-				}
-				else if (gAgentCamera.cameraMouselook())
-				{ // focus on point under mouselook crosshairs
-					LLVector4a result;
-					result.clear();
-
-					gViewerWindow->cursorIntersect(-1, -1, 512.f, NULL, -1, false, false, true, true, NULL, &result);
-
-					focus_point.set(result.getF32ptr());
-				}
-				else
-				{
-					// focus on alt-zoom target
-					LLViewerRegion* region = gAgent.getRegion();
-					if (region)
-					{
-						focus_point = LLVector3(gAgentCamera.getFocusGlobal() - region->getOriginGlobal());
-					}
-				}
-			}
-
-			LLVector3 eye = LLViewerCamera::getInstance()->getOrigin();
-			F32 target_distance = 16.f;
-			if (!focus_point.isExactlyZero())
-			{
-				target_distance = LLViewerCamera::getInstance()->getAtAxis() * (focus_point - eye);
-			}
-
-			if (transition_time >= 1.f && fabsf(current_distance - target_distance) / current_distance > 0.01f)
-			{ // large shift happened, interpolate smoothly to new target distance
-				transition_time = 0.f;
-				start_distance = current_distance;
-			}
-			else if (transition_time < 1.f)
-			{ // currently in a transition, continue interpolating
-				transition_time += 1.f / CameraFocusTransitionTime * gFrameIntervalSeconds.value();
-				transition_time = llmin(transition_time, 1.f);
-
-				F32 t = cosf(transition_time * F_PI + F_PI) * 0.5f + 0.5f;
-				current_distance = start_distance + (target_distance - start_distance) * t;
-			}
-			else
-			{ // small or no change, just snap to target distance
-				current_distance = target_distance;
-			}
-
-			// convert to mm
-			F32 subject_distance = current_distance * 1000.f;
-			F32 fnumber = CameraFNumber;
-			F32 default_focal_length = CameraFocalLength;
-
-			F32 fov = LLViewerCamera::getInstance()->getView();
-
-			const F32 default_fov = CameraFieldOfView * F_PI / 180.f;
-
-			// F32 aspect_ratio = (F32) mRT->screen.getWidth()/(F32)mRT->screen.getHeight();
-
-			F32 dv = 2.f * default_focal_length * tanf(default_fov / 2.f);
-
-			F32 focal_length = dv / (2 * tanf(fov / 2.f));
-
-			// F32 tan_pixel_angle = tanf(LLDrawable::sCurPixelAngle);
-
-			// from wikipedia -- c = |s2-s1|/s2 * f^2/(N(S1-f))
-			// where	 N = fnumber
-			//			 s2 = dot distance
-			//			 s1 = subject distance
-			//			 f = focal length
-			//
-
-			F32 blur_constant = focal_length * focal_length / (fnumber * (subject_distance - focal_length));
-			blur_constant /= 1000.f; // convert to meters for shader
-			F32 magnification = focal_length / (subject_distance - focal_length);
-
-			{ // build diffuse+bloom+CoF
-				mRT->deferredLight.bindTarget();
-
-				gDeferredCoFProgram.bind();
-
-				gDeferredCoFProgram.bindTexture(LLShaderMgr::DEFERRED_DIFFUSE, src, LLTexUnit::TFO_POINT);
-				gDeferredCoFProgram.bindTexture(LLShaderMgr::DEFERRED_DEPTH, &mRT->deferredScreen, true);
-
-				gDeferredCoFProgram.uniform1f(LLShaderMgr::DEFERRED_DEPTH_CUTOFF, RenderEdgeDepthCutoff);
-				gDeferredCoFProgram.uniform1f(LLShaderMgr::DEFERRED_NORM_CUTOFF, RenderEdgeNormCutoff);
-				gDeferredCoFProgram.uniform2f(LLShaderMgr::DEFERRED_SCREEN_RES, dst->getWidth(), dst->getHeight());
-				gDeferredCoFProgram.uniform1f(LLShaderMgr::DOF_FOCAL_DISTANCE, -subject_distance / 1000.f);
-				gDeferredCoFProgram.uniform1f(LLShaderMgr::DOF_BLUR_CONSTANT, blur_constant);
-				gDeferredCoFProgram.uniform1f(LLShaderMgr::DOF_TAN_PIXEL_ANGLE, tanf(1.f / LLDrawable::sCurPixelAngle));
-				gDeferredCoFProgram.uniform1f(LLShaderMgr::DOF_MAGNIFICATION, magnification);
-				gDeferredCoFProgram.uniform1f(LLShaderMgr::DOF_MAX_COF, CameraMaxCoF);
-				gDeferredCoFProgram.uniform1f(LLShaderMgr::DOF_RES_SCALE, CameraDoFResScale);
-
-				mScreenTriangleVB->setBuffer();
-				mScreenTriangleVB->drawArrays(LLRender::TRIANGLES, 0, 3);
-				gDeferredCoFProgram.unbind();
-				mRT->deferredLight.flush();
-			}
-
-			U32 dof_width = (U32)(mRT->screen.getWidth() * CameraDoFResScale);
-			U32 dof_height = (U32)(mRT->screen.getHeight() * CameraDoFResScale);
-
-			{ // perform DoF sampling at half-res (preserve alpha channel)
-				src->bindTarget();
-				glViewport(0, 0, dof_width, dof_height);
-
-				gGL.setColorMask(true, false);
-
-				gDeferredPostProgram.bind();
-				gDeferredPostProgram.bindTexture(LLShaderMgr::DEFERRED_DIFFUSE, &mRT->deferredLight, LLTexUnit::TFO_POINT);
-
-				gDeferredPostProgram.uniform2f(LLShaderMgr::DEFERRED_SCREEN_RES, dst->getWidth(), dst->getHeight());
-				gDeferredPostProgram.uniform1f(LLShaderMgr::DOF_MAX_COF, CameraMaxCoF);
-				gDeferredPostProgram.uniform1f(LLShaderMgr::DOF_RES_SCALE, CameraDoFResScale);
-
-				mScreenTriangleVB->setBuffer();
-				mScreenTriangleVB->drawArrays(LLRender::TRIANGLES, 0, 3);
-
-				gDeferredPostProgram.unbind();
-
-				src->flush();
-				gGL.setColorMask(true, true);
-			}
-
-			{ // combine result based on alpha
-				
-				dst->bindTarget();
-				if (RenderFSAASamples > 1 && mRT->fxaaBuffer.isComplete())
-                {
-					glViewport(0, 0, dst->getWidth(), dst->getHeight());
-				}
-				else
-                {
-					gGLViewport[0] = gViewerWindow->getWorldViewRectRaw().mLeft;
-					gGLViewport[1] = gViewerWindow->getWorldViewRectRaw().mBottom;
-					gGLViewport[2] = gViewerWindow->getWorldViewRectRaw().getWidth();
-					gGLViewport[3] = gViewerWindow->getWorldViewRectRaw().getHeight();
-					glViewport(gGLViewport[0], gGLViewport[1], gGLViewport[2], gGLViewport[3]);
-				}
-
-				gDeferredDoFCombineProgram.bind();	
-				gDeferredDoFCombineProgram.bindTexture(LLShaderMgr::DEFERRED_DIFFUSE, src, LLTexUnit::TFO_POINT);
-				gDeferredDoFCombineProgram.bindTexture(LLShaderMgr::DEFERRED_LIGHT, &mRT->deferredLight, LLTexUnit::TFO_POINT);
-
-				gDeferredDoFCombineProgram.uniform2f(LLShaderMgr::DEFERRED_SCREEN_RES, dst->getWidth(), dst->getHeight());
-				gDeferredDoFCombineProgram.uniform1f(LLShaderMgr::DOF_MAX_COF, CameraMaxCoF);
-				gDeferredDoFCombineProgram.uniform1f(LLShaderMgr::DOF_RES_SCALE, CameraDoFResScale);
-				gDeferredDoFCombineProgram.uniform1f(LLShaderMgr::DOF_WIDTH, (dof_width - 1) / (F32)src->getWidth());
-				gDeferredDoFCombineProgram.uniform1f(LLShaderMgr::DOF_HEIGHT, (dof_height - 1) / (F32)src->getHeight());
-
-				mScreenTriangleVB->setBuffer();
-				mScreenTriangleVB->drawArrays(LLRender::TRIANGLES, 0, 3);
-
-				gDeferredDoFCombineProgram.unbind();
-
-				dst->flush();
-			}
-		}
-		else
-		{
-			copyRenderTarget(src, dst);
-		}
-	}
-}
-
-void LLPipeline::renderFinalize()
-{
-    llassert(!gCubeSnapshot);
-    LLVertexBuffer::unbind();
-    LLGLState::checkStates();
-
-    assertInitialized();
-
-    LL_RECORD_BLOCK_TIME(FTM_RENDER_BLOOM);
-    LL_PROFILE_GPU_ZONE("renderFinalize");
-
-    gGL.color4f(1, 1, 1, 1);
-    LLGLDepthTest depth(GL_FALSE);
-    LLGLDisable blend(GL_BLEND);
-    LLGLDisable cull(GL_CULL_FACE);
-
-    enableLightsFullbright();
-
-    gGL.setColorMask(true, true);
-    glClearColor(0, 0, 0, 0);
-
-    
-    copyScreenSpaceReflections(&mRT->screen, &mSceneMap);
-
-    generateLuminance(&mRT->screen, &mLuminanceMap);
-
-    generateExposure(&mLuminanceMap, &mExposureMap);
-
-    gammaCorrect(&mRT->screen, &mPostMap);
-
-    LLVertexBuffer::unbind();
-
-    generateGlow(&mPostMap);
-
-    combineGlow(&mPostMap, &mRT->screen);
-
-	gGLViewport[0] = gViewerWindow->getWorldViewRectRaw().mLeft;
-	gGLViewport[1] = gViewerWindow->getWorldViewRectRaw().mBottom;
-	gGLViewport[2] = gViewerWindow->getWorldViewRectRaw().getWidth();
-	gGLViewport[3] = gViewerWindow->getWorldViewRectRaw().getHeight();
-	glViewport(gGLViewport[0], gGLViewport[1], gGLViewport[2], gGLViewport[3]);
-
-	renderDoF(&mRT->screen, &mPostMap);
-
-	applyFXAA(&mPostMap, &mRT->screen);
-	LLRenderTarget* finalBuffer = &mRT->screen;
-	if (RenderBufferVisualization > -1)
-    {
-		finalBuffer = &mPostMap;
-		switch (RenderBufferVisualization)
-		{
-		case 0:
-		case 1:
-		case 2:
-		case 3:
-			visualizeBuffers(&mRT->deferredScreen, finalBuffer, RenderBufferVisualization);
-			break;
-		case 4:
-			visualizeBuffers(&mLuminanceMap, finalBuffer, 0);
-		default:
-			break;
-		}
-	}
-
-	// Present the screen target.
-
-	gDeferredPostNoDoFProgram.bind();
-
-	// Whatever is last in the above post processing chain should _always_ be rendered directly here.  If not, expect problems.
-	gDeferredPostNoDoFProgram.bindTexture(LLShaderMgr::DEFERRED_DIFFUSE, finalBuffer);
-	gDeferredPostNoDoFProgram.bindTexture(LLShaderMgr::DEFERRED_DEPTH, &mRT->deferredScreen, true);
-
-	{
-		LLGLDepthTest depth_test(GL_TRUE, GL_TRUE, GL_ALWAYS);
-		mScreenTriangleVB->setBuffer();
-		mScreenTriangleVB->drawArrays(LLRender::TRIANGLES, 0, 3);
-	}
-
-	gDeferredPostNoDoFProgram.unbind();
-
-    gGL.setSceneBlendType(LLRender::BT_ALPHA);
-
-    if (hasRenderDebugMask(LLPipeline::RENDER_DEBUG_PHYSICS_SHAPES))
-    {
-        renderPhysicsDisplay();
-    }
-
-    /*if (LLRenderTarget::sUseFBO && !gCubeSnapshot)
-    { // copy depth buffer from mRT->screen to framebuffer
-        LLRenderTarget::copyContentsToFramebuffer(mRT->screen, 0, 0, mRT->screen.getWidth(), mRT->screen.getHeight(), 0, 0,
-                                                  mRT->screen.getWidth(), mRT->screen.getHeight(),
-                                                  GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT, GL_NEAREST);
-    }*/
-
-    LLVertexBuffer::unbind();
-
-    LLGLState::checkStates();
-
-    // flush calls made to "addTrianglesDrawn" so far to stats machinery
-    recordTrianglesDrawn();
-}
-
-void LLPipeline::bindLightFunc(LLGLSLShader& shader)
-{
-    S32 channel = shader.enableTexture(LLShaderMgr::DEFERRED_LIGHTFUNC);
-    if (channel > -1)
-    {
-        gGL.getTexUnit(channel)->bindManual(LLTexUnit::TT_TEXTURE, mLightFunc);
-    }
-
-    channel = shader.enableTexture(LLShaderMgr::DEFERRED_BRDF_LUT, LLTexUnit::TT_TEXTURE);
-    if (channel > -1)
-    {
-        mPbrBrdfLut.bindTexture(0, channel);
-    }
-}
-
-void LLPipeline::bindShadowMaps(LLGLSLShader& shader)
-{
-    for (U32 i = 0; i < 4; i++)
-    {
-        LLRenderTarget* shadow_target = getSunShadowTarget(i);
-        if (shadow_target)
-        {
-            S32 channel = shader.enableTexture(LLShaderMgr::DEFERRED_SHADOW0 + i, LLTexUnit::TT_TEXTURE);
-            if (channel > -1)
-            {
-                gGL.getTexUnit(channel)->bind(getSunShadowTarget(i), true);
-            }
-        }
-    }
-
-    for (U32 i = 4; i < 6; i++)
-    {
-        S32 channel = shader.enableTexture(LLShaderMgr::DEFERRED_SHADOW0 + i);
-        if (channel > -1)
-        {
-            LLRenderTarget* shadow_target = getSpotShadowTarget(i - 4);
-            if (shadow_target)
-            {
-                gGL.getTexUnit(channel)->bind(shadow_target, true);
-            }
-        }
-    }
-}
-
-void LLPipeline::bindDeferredShaderFast(LLGLSLShader& shader)
-{
-    if (shader.mCanBindFast)
-    { // was previously fully bound, use fast path
-        shader.bind();
-        bindLightFunc(shader);
-        bindShadowMaps(shader);
-        bindReflectionProbes(shader);
-    }
-    else
-    { //wasn't previously bound, use slow path
-        bindDeferredShader(shader);
-        shader.mCanBindFast = true;
-    }
-}
-
-void LLPipeline::bindDeferredShader(LLGLSLShader& shader, LLRenderTarget* light_target, LLRenderTarget* depth_target)
-{
-    LL_PROFILE_ZONE_SCOPED_CATEGORY_PIPELINE;
-    LLRenderTarget* deferred_target       = &mRT->deferredScreen;
-    LLRenderTarget* deferred_light_target = &mRT->deferredLight;
-
-	shader.bind();
-	S32 channel = 0;
-    channel = shader.enableTexture(LLShaderMgr::DEFERRED_DIFFUSE, deferred_target->getUsage());
-	if (channel > -1)
-	{
-        deferred_target->bindTexture(0,channel, LLTexUnit::TFO_POINT); // frag_data[0]
-        gGL.getTexUnit(channel)->setTextureAddressMode(LLTexUnit::TAM_CLAMP);
-	}
-
-    channel = shader.enableTexture(LLShaderMgr::DEFERRED_SPECULAR, deferred_target->getUsage());
-	if (channel > -1)
-	{
-        deferred_target->bindTexture(1, channel, LLTexUnit::TFO_POINT); // frag_data[1]
-        gGL.getTexUnit(channel)->setTextureAddressMode(LLTexUnit::TAM_CLAMP);
-	}
-
-    channel = shader.enableTexture(LLShaderMgr::DEFERRED_NORMAL, deferred_target->getUsage());
-	if (channel > -1)
-	{
-        deferred_target->bindTexture(2, channel, LLTexUnit::TFO_POINT); // frag_data[2]
-        gGL.getTexUnit(channel)->setTextureAddressMode(LLTexUnit::TAM_CLAMP);
-	}
-
-    channel = shader.enableTexture(LLShaderMgr::DEFERRED_EMISSIVE, deferred_target->getUsage());
-    if (channel > -1)
-    {
-        deferred_target->bindTexture(3, channel, LLTexUnit::TFO_POINT); // frag_data[3]
-        gGL.getTexUnit(channel)->setTextureAddressMode(LLTexUnit::TAM_CLAMP);
-    }
-
-    channel = shader.enableTexture(LLShaderMgr::DEFERRED_DEPTH, deferred_target->getUsage());
-    if (channel > -1)
-    {
-        if (depth_target)
-        {
-            gGL.getTexUnit(channel)->bind(depth_target, true);
-        }
-        else
-        {
-            gGL.getTexUnit(channel)->bind(deferred_target, true);
-        }
-        stop_glerror();
-    }
-
-    channel = shader.enableTexture(LLShaderMgr::EXPOSURE_MAP);
-    if (channel > -1)
-    {
-        gGL.getTexUnit(channel)->bind(&mExposureMap);
-    }
-
-    if (shader.getUniformLocation(LLShaderMgr::VIEWPORT) != -1)
-    {
-		shader.uniform4f(LLShaderMgr::VIEWPORT, (F32) gGLViewport[0],
-									(F32) gGLViewport[1],
-									(F32) gGLViewport[2],
-									(F32) gGLViewport[3]);
-	}
-
-    if (sReflectionRender && !shader.getUniformLocation(LLShaderMgr::MODELVIEW_MATRIX))
-    {
-        shader.uniformMatrix4fv(LLShaderMgr::MODELVIEW_MATRIX, 1, false, mReflectionModelView.m);  
-    }
-
-	channel = shader.enableTexture(LLShaderMgr::DEFERRED_NOISE);
-	if (channel > -1)
-	{
-        gGL.getTexUnit(channel)->bindManual(LLTexUnit::TT_TEXTURE, mNoiseMap);
-		gGL.getTexUnit(channel)->setTextureFilteringOption(LLTexUnit::TFO_POINT);
-	}
-
-    bindLightFunc(shader);
-
-	stop_glerror();
-
-    light_target = light_target ? light_target : deferred_light_target;
-    channel = shader.enableTexture(LLShaderMgr::DEFERRED_LIGHT, light_target->getUsage());
-	if (channel > -1)
-	{
-        if (light_target->isComplete())
-        {
-            light_target->bindTexture(0, channel, LLTexUnit::TFO_POINT);
-        }
-        else
-        {
-            gGL.getTexUnit(channel)->bindFast(LLViewerFetchedTexture::sWhiteImagep);
-        }
-	}
-
-	stop_glerror();
-
-    bindShadowMaps(shader);
-
-	stop_glerror();
-
-	F32 mat[16*6];
-	for (U32 i = 0; i < 16; i++)
-	{
-		mat[i] = mSunShadowMatrix[0].m[i];
-		mat[i+16] = mSunShadowMatrix[1].m[i];
-		mat[i+32] = mSunShadowMatrix[2].m[i];
-		mat[i+48] = mSunShadowMatrix[3].m[i];
-		mat[i+64] = mSunShadowMatrix[4].m[i];
-		mat[i+80] = mSunShadowMatrix[5].m[i];
-	}
-
-	shader.uniformMatrix4fv(LLShaderMgr::DEFERRED_SHADOW_MATRIX, 6, false, mat);
-
-	stop_glerror();
-
-    if (!LLPipeline::sReflectionProbesEnabled)
-    {
-        channel = shader.enableTexture(LLShaderMgr::ENVIRONMENT_MAP, LLTexUnit::TT_CUBE_MAP);
-        if (channel > -1)
-        {
-            LLCubeMap* cube_map = gSky.mVOSkyp ? gSky.mVOSkyp->getCubeMap() : NULL;
-            if (cube_map)
-            {
-                cube_map->enable(channel);
-                cube_map->bind();
-            }
-
-            F32* m = gGLModelView;
-
-            F32 mat[] = { m[0], m[1], m[2],
-                          m[4], m[5], m[6],
-                          m[8], m[9], m[10] };
-
-            shader.uniformMatrix3fv(LLShaderMgr::DEFERRED_ENV_MAT, 1, true, mat);
-        }
-    }
-
-    bindReflectionProbes(shader);
-
-    if (gAtmosphere)
-    {
-        // bind precomputed textures necessary for calculating sun and sky luminance
-        channel = shader.enableTexture(LLShaderMgr::TRANSMITTANCE_TEX, LLTexUnit::TT_TEXTURE);
-        if (channel > -1)
-        {
-            shader.bindTexture(LLShaderMgr::TRANSMITTANCE_TEX, gAtmosphere->getTransmittance());
-        }
-
-        channel = shader.enableTexture(LLShaderMgr::SCATTER_TEX, LLTexUnit::TT_TEXTURE_3D);
-        if (channel > -1)
-        {
-            shader.bindTexture(LLShaderMgr::SCATTER_TEX, gAtmosphere->getScattering());
-        }
-
-        channel = shader.enableTexture(LLShaderMgr::SINGLE_MIE_SCATTER_TEX, LLTexUnit::TT_TEXTURE_3D);
-        if (channel > -1)
-        {
-            shader.bindTexture(LLShaderMgr::SINGLE_MIE_SCATTER_TEX, gAtmosphere->getMieScattering());
-        }
-
-        channel = shader.enableTexture(LLShaderMgr::ILLUMINANCE_TEX, LLTexUnit::TT_TEXTURE);
-        if (channel > -1)
-        {
-            shader.bindTexture(LLShaderMgr::ILLUMINANCE_TEX, gAtmosphere->getIlluminance());
-        }
-    }
-
-    /*if (gCubeSnapshot)
-    { // we only really care about the first two values, but the shader needs increasing separation between clip planes
-        shader.uniform4f(LLShaderMgr::DEFERRED_SHADOW_CLIP, 1.f, 64.f, 128.f, 256.f);
-    }
-    else*/
-    {
-        shader.uniform4fv(LLShaderMgr::DEFERRED_SHADOW_CLIP, 1, mSunClipPlanes.mV);
-    }
-	shader.uniform1f(LLShaderMgr::DEFERRED_SUN_WASH, RenderDeferredSunWash);
-	shader.uniform1f(LLShaderMgr::DEFERRED_SHADOW_NOISE, RenderShadowNoise);
-	shader.uniform1f(LLShaderMgr::DEFERRED_BLUR_SIZE, RenderShadowBlurSize);
-
-	shader.uniform1f(LLShaderMgr::DEFERRED_SSAO_RADIUS, RenderSSAOScale);
-	shader.uniform1f(LLShaderMgr::DEFERRED_SSAO_MAX_RADIUS, RenderSSAOMaxScale);
-
-	F32 ssao_factor = RenderSSAOFactor;
-	shader.uniform1f(LLShaderMgr::DEFERRED_SSAO_FACTOR, ssao_factor);
-	shader.uniform1f(LLShaderMgr::DEFERRED_SSAO_FACTOR_INV, 1.0/ssao_factor);
-
-	LLVector3 ssao_effect = RenderSSAOEffect;
-	F32 matrix_diag = (ssao_effect[0] + 2.0*ssao_effect[1])/3.0;
-	F32 matrix_nondiag = (ssao_effect[0] - ssao_effect[1])/3.0;
-	// This matrix scales (proj of color onto <1/rt(3),1/rt(3),1/rt(3)>) by
-	// value factor, and scales remainder by saturation factor
-	F32 ssao_effect_mat[] = {	matrix_diag, matrix_nondiag, matrix_nondiag,
-								matrix_nondiag, matrix_diag, matrix_nondiag,
-								matrix_nondiag, matrix_nondiag, matrix_diag};
-	shader.uniformMatrix3fv(LLShaderMgr::DEFERRED_SSAO_EFFECT_MAT, 1, GL_FALSE, ssao_effect_mat);
-
-	//F32 shadow_offset_error = 1.f + RenderShadowOffsetError * fabsf(LLViewerCamera::getInstance()->getOrigin().mV[2]);
-	F32 shadow_bias_error = RenderShadowBiasError * fabsf(LLViewerCamera::getInstance()->getOrigin().mV[2])/3000.f;
-    F32 shadow_bias       = RenderShadowBias + shadow_bias_error;
-
-    shader.uniform2f(LLShaderMgr::DEFERRED_SCREEN_RES, deferred_target->getWidth(), deferred_target->getHeight());
-	shader.uniform1f(LLShaderMgr::DEFERRED_NEAR_CLIP, LLViewerCamera::getInstance()->getNear()*2.f);
-	shader.uniform1f (LLShaderMgr::DEFERRED_SHADOW_OFFSET, RenderShadowOffset); //*shadow_offset_error);
-    shader.uniform1f(LLShaderMgr::DEFERRED_SHADOW_BIAS, shadow_bias);
-	shader.uniform1f(LLShaderMgr::DEFERRED_SPOT_SHADOW_OFFSET, RenderSpotShadowOffset);
-	shader.uniform1f(LLShaderMgr::DEFERRED_SPOT_SHADOW_BIAS, RenderSpotShadowBias);	
-
-	shader.uniform3fv(LLShaderMgr::DEFERRED_SUN_DIR, 1, mTransformedSunDir.mV);
-    shader.uniform3fv(LLShaderMgr::DEFERRED_MOON_DIR, 1, mTransformedMoonDir.mV);
-	shader.uniform2f(LLShaderMgr::DEFERRED_SHADOW_RES, mRT->shadow[0].getWidth(), mRT->shadow[0].getHeight());
-	shader.uniform2f(LLShaderMgr::DEFERRED_PROJ_SHADOW_RES, mSpotShadow[0].getWidth(), mSpotShadow[0].getHeight());
-	shader.uniform1f(LLShaderMgr::DEFERRED_DEPTH_CUTOFF, RenderEdgeDepthCutoff);
-	shader.uniform1f(LLShaderMgr::DEFERRED_NORM_CUTOFF, RenderEdgeNormCutoff);
-	
-    shader.uniformMatrix4fv(LLShaderMgr::MODELVIEW_DELTA_MATRIX, 1, GL_FALSE, gGLDeltaModelView);
-    shader.uniformMatrix4fv(LLShaderMgr::INVERSE_MODELVIEW_DELTA_MATRIX, 1, GL_FALSE, gGLInverseDeltaModelView);
-
-    shader.uniform1i(LLShaderMgr::CUBE_SNAPSHOT, gCubeSnapshot ? 1 : 0);
-
-	if (shader.getUniformLocation(LLShaderMgr::DEFERRED_NORM_MATRIX) >= 0)
-	{
-        glh::matrix4f norm_mat = get_current_modelview().inverse().transpose();
-		shader.uniformMatrix4fv(LLShaderMgr::DEFERRED_NORM_MATRIX, 1, false, norm_mat.m);
-	}
-
-    // auto adjust legacy sun color if needed
-    static LLCachedControl<bool> should_auto_adjust(gSavedSettings, "RenderSkyAutoAdjustLegacy", true);
-    static LLCachedControl<F32> auto_adjust_sun_color_scale(gSavedSettings, "RenderSkyAutoAdjustSunColorScale", 1.f);
-    LLSettingsSky::ptr_t psky = LLEnvironment::instance().getCurrentSky();
-    LLColor3 sun_diffuse(mSunDiffuse.mV);
-    if (should_auto_adjust && psky->canAutoAdjust())
-    {
-        sun_diffuse *= auto_adjust_sun_color_scale;
-    }
-
-    shader.uniform3fv(LLShaderMgr::SUNLIGHT_COLOR, 1, sun_diffuse.mV);
-    shader.uniform3fv(LLShaderMgr::MOONLIGHT_COLOR, 1, mMoonDiffuse.mV);
-
-    shader.uniform1f(LLShaderMgr::REFLECTION_PROBE_MAX_LOD, mReflectionMapManager.mMaxProbeLOD);
-}
-
-
-LLColor3 pow3f(LLColor3 v, F32 f)
-{
-	v.mV[0] = powf(v.mV[0], f);
-	v.mV[1] = powf(v.mV[1], f);
-	v.mV[2] = powf(v.mV[2], f);
-	return v;
-}
-
-LLVector4 pow4fsrgb(LLVector4 v, F32 f)
-{
-	v.mV[0] = powf(v.mV[0], f);
-	v.mV[1] = powf(v.mV[1], f);
-	v.mV[2] = powf(v.mV[2], f);
-	return v;
-}
-
-void LLPipeline::renderDeferredLighting()
-{
-    LL_PROFILE_ZONE_SCOPED_CATEGORY_PIPELINE;
-    LL_PROFILE_GPU_ZONE("renderDeferredLighting");
-    if (!sCull)
-    {
-        return;
-    }
-
-    llassert(!sRenderingHUDs);
-
-    F32 light_scale = 1.f;
-
-    if (gCubeSnapshot)
-    { //darken local lights when probe ambiance is above 1
-        light_scale = mReflectionMapManager.mLightScale;
-    }
-
-    LLRenderTarget *screen_target         = &mRT->screen;
-    LLRenderTarget* deferred_light_target = &mRT->deferredLight;
-
-    {
-        LL_PROFILE_ZONE_NAMED_CATEGORY_PIPELINE("deferred");
-        LLViewerCamera *camera = LLViewerCamera::getInstance();
-        
-        if (gPipeline.hasRenderType(LLPipeline::RENDER_TYPE_HUD))
-        {
-            gPipeline.toggleRenderType(LLPipeline::RENDER_TYPE_HUD);
-        }
-
-        gGL.setColorMask(true, true);
-
-        // draw a cube around every light
-        LLVertexBuffer::unbind();
-
-        LLGLEnable cull(GL_CULL_FACE);
-        LLGLEnable blend(GL_BLEND);
-
-        glh::matrix4f mat = copy_matrix(gGLModelView);
-
-        setupHWLights();  // to set mSun/MoonDir;
-
-        glh::vec4f tc(mSunDir.mV);
-        mat.mult_matrix_vec(tc);
-        mTransformedSunDir.set(tc.v);
-
-        glh::vec4f tc_moon(mMoonDir.mV);
-        mat.mult_matrix_vec(tc_moon);
-        mTransformedMoonDir.set(tc_moon.v);
-
-        if (RenderDeferredSSAO || RenderShadowDetail > 0)
-        {
-            LL_PROFILE_GPU_ZONE("sun program");
-            deferred_light_target->bindTarget();
-            {  // paint shadow/SSAO light map (direct lighting lightmap)
-                LL_PROFILE_ZONE_NAMED_CATEGORY_PIPELINE("renderDeferredLighting - sun shadow");
-                bindDeferredShader(gDeferredSunProgram, deferred_light_target);
-                mScreenTriangleVB->setBuffer();
-                glClearColor(1, 1, 1, 1);
-                deferred_light_target->clear(GL_COLOR_BUFFER_BIT);
-                glClearColor(0, 0, 0, 0);
-
-                glh::matrix4f inv_trans = get_current_modelview().inverse().transpose();
-
-                const U32 slice = 32;
-                F32       offset[slice * 3];
-                for (U32 i = 0; i < 4; i++)
-                {
-                    for (U32 j = 0; j < 8; j++)
-                    {
-                        glh::vec3f v;
-                        v.set_value(sinf(6.284f / 8 * j), cosf(6.284f / 8 * j), -(F32) i);
-                        v.normalize();
-                        inv_trans.mult_matrix_vec(v);
-                        v.normalize();
-                        offset[(i * 8 + j) * 3 + 0] = v.v[0];
-                        offset[(i * 8 + j) * 3 + 1] = v.v[2];
-                        offset[(i * 8 + j) * 3 + 2] = v.v[1];
-                    }
-                }
-
-                gDeferredSunProgram.uniform3fv(sOffset, slice, offset);
-                gDeferredSunProgram.uniform2f(LLShaderMgr::DEFERRED_SCREEN_RES,
-                                              deferred_light_target->getWidth(),
-                                              deferred_light_target->getHeight());
-
-                {
-                    LLGLDisable   blend(GL_BLEND);
-                    LLGLDepthTest depth(GL_TRUE, GL_FALSE, GL_ALWAYS);
-                    mScreenTriangleVB->drawArrays(LLRender::TRIANGLES, 0, 3);
-                }
-
-                unbindDeferredShader(gDeferredSunProgram);
-            }
-            deferred_light_target->flush();
-        }
-
-        if (RenderDeferredSSAO)
-        {
-            // soften direct lighting lightmap
-            LL_PROFILE_ZONE_NAMED_CATEGORY_PIPELINE("renderDeferredLighting - soften shadow");
-            LL_PROFILE_GPU_ZONE("soften shadow");
-            // blur lightmap
-            screen_target->bindTarget();
-            glClearColor(1, 1, 1, 1);
-            screen_target->clear(GL_COLOR_BUFFER_BIT);
-            glClearColor(0, 0, 0, 0);
-
-            bindDeferredShader(gDeferredBlurLightProgram);
-
-            LLVector3 go = RenderShadowGaussian;
-            const U32 kern_length = 4;
-            F32       blur_size = RenderShadowBlurSize;
-            F32       dist_factor = RenderShadowBlurDistFactor;
-
-            // sample symmetrically with the middle sample falling exactly on 0.0
-            F32 x = 0.f;
-
-            LLVector3 gauss[32];  // xweight, yweight, offset
-
-            for (U32 i = 0; i < kern_length; i++)
-            {
-                gauss[i].mV[0] = llgaussian(x, go.mV[0]);
-                gauss[i].mV[1] = llgaussian(x, go.mV[1]);
-                gauss[i].mV[2] = x;
-                x += 1.f;
-            }
-
-            gDeferredBlurLightProgram.uniform2f(sDelta, 1.f, 0.f);
-            gDeferredBlurLightProgram.uniform1f(sDistFactor, dist_factor);
-            gDeferredBlurLightProgram.uniform3fv(sKern, kern_length, gauss[0].mV);
-            gDeferredBlurLightProgram.uniform1f(sKernScale, blur_size * (kern_length / 2.f - 0.5f));
-
-            {
-                LLGLDisable   blend(GL_BLEND);
-                LLGLDepthTest depth(GL_TRUE, GL_FALSE, GL_ALWAYS);
-                mScreenTriangleVB->setBuffer();
-                mScreenTriangleVB->drawArrays(LLRender::TRIANGLES, 0, 3);
-            }
-
-            screen_target->flush();
-            unbindDeferredShader(gDeferredBlurLightProgram);
-
-            bindDeferredShader(gDeferredBlurLightProgram, screen_target);
-
-            deferred_light_target->bindTarget();
-
-            gDeferredBlurLightProgram.uniform2f(sDelta, 0.f, 1.f);
-
-            {
-                LLGLDisable   blend(GL_BLEND);
-                LLGLDepthTest depth(GL_TRUE, GL_FALSE, GL_ALWAYS);
-                mScreenTriangleVB->setBuffer();
-                mScreenTriangleVB->drawArrays(LLRender::TRIANGLES, 0, 3);
-            }
-            deferred_light_target->flush();
-            unbindDeferredShader(gDeferredBlurLightProgram);
-        }
-
-        screen_target->bindTarget();
-        // clear color buffer here - zeroing alpha (glow) is important or it will accumulate against sky
-        glClearColor(0, 0, 0, 0);
-        screen_target->clear(GL_COLOR_BUFFER_BIT);
-
-        if (RenderDeferredAtmospheric)
-        {  // apply sunlight contribution
-            LLGLSLShader &soften_shader = gDeferredSoftenProgram;
-
-            LL_PROFILE_ZONE_NAMED_CATEGORY_PIPELINE("renderDeferredLighting - atmospherics");
-            LL_PROFILE_GPU_ZONE("atmospherics");
-            bindDeferredShader(soften_shader);
-
-            static LLCachedControl<F32> ssao_scale(gSavedSettings, "RenderSSAOIrradianceScale", 0.5f);
-            static LLCachedControl<F32> ssao_max(gSavedSettings, "RenderSSAOIrradianceMax", 0.25f);
-            static LLStaticHashedString ssao_scale_str("ssao_irradiance_scale");
-            static LLStaticHashedString ssao_max_str("ssao_irradiance_max");
-            
-            soften_shader.uniform1f(ssao_scale_str, ssao_scale);
-            soften_shader.uniform1f(ssao_max_str, ssao_max);
-
-            LLEnvironment &environment = LLEnvironment::instance();
-            soften_shader.uniform1i(LLShaderMgr::SUN_UP_FACTOR, environment.getIsSunUp() ? 1 : 0);
-            soften_shader.uniform3fv(LLShaderMgr::LIGHTNORM, 1, environment.getClampedLightNorm().mV);
-            
-            soften_shader.uniform4fv(LLShaderMgr::WATER_WATERPLANE, 1, LLDrawPoolAlpha::sWaterPlane.mV);
-
-            {
-                LLGLDepthTest depth(GL_FALSE);
-                LLGLDisable   blend(GL_BLEND);
-
-                // full screen blit
-                mScreenTriangleVB->setBuffer();
-                mScreenTriangleVB->drawArrays(LLRender::TRIANGLES, 0, 3);
-            }
-
-            unbindDeferredShader(gDeferredSoftenProgram);
-        }
-
-        static LLCachedControl<S32> local_light_count(gSavedSettings, "RenderLocalLightCount", 256);
-
-        if (local_light_count > 0)
-        {
-            gGL.setSceneBlendType(LLRender::BT_ADD);
-            std::list<LLVector4>        fullscreen_lights;
-            LLDrawable::drawable_list_t spot_lights;
-            LLDrawable::drawable_list_t fullscreen_spot_lights;
-
-            if (!gCubeSnapshot)
-            {
-                for (U32 i = 0; i < 2; i++)
-                {
-                    mTargetShadowSpotLight[i] = NULL;
-                }
-            }
-
-            std::list<LLVector4> light_colors;
-
-            LLVertexBuffer::unbind();
-
-            {
-                LL_PROFILE_ZONE_NAMED_CATEGORY_PIPELINE("renderDeferredLighting - local lights");
-                LL_PROFILE_GPU_ZONE("local lights");
-                bindDeferredShader(gDeferredLightProgram);
-
-                if (mCubeVB.isNull())
-                {
-                    mCubeVB = ll_create_cube_vb(LLVertexBuffer::MAP_VERTEX);
-                }
-
-                mCubeVB->setBuffer();
-
-                LLGLDepthTest depth(GL_TRUE, GL_FALSE);
-                // mNearbyLights already includes distance calculation and excludes muted avatars.
-                // It is calculated from mLights
-                // mNearbyLights also provides fade value to gracefully fade-out out of range lights
-                S32 count = 0;
-                for (light_set_t::iterator iter = mNearbyLights.begin(); iter != mNearbyLights.end(); ++iter)
-                {
-                    count++;
-                    if (count > local_light_count)
-                    { //stop collecting lights once we hit the limit
-                        break;
-                    }
-
-                    LLDrawable * drawablep = iter->drawable;
-                    LLVOVolume * volume = drawablep->getVOVolume();
-                    if (!volume)
-                    {
-                        continue;
-                    }
-
-                    if (volume->isAttachment())
-                    {
-                        if (!sRenderAttachedLights)
-                        {
-                            continue;
-                        }
-                    }
-
-                    LLVector4a center;
-                    center.load3(drawablep->getPositionAgent().mV);
-                    const F32 *c = center.getF32ptr();
-                    F32        s = volume->getLightRadius() * 1.5f;
-
-                    // send light color to shader in linear space
-                    LLColor3 col = volume->getLightLinearColor() * light_scale;
-
-                    if (col.magVecSquared() < 0.001f)
-                    {
-                        continue;
-                    }
-
-                    if (s <= 0.001f)
-                    {
-                        continue;
-                    }
-
-                    LLVector4a sa;
-                    sa.splat(s);
-                    if (camera->AABBInFrustumNoFarClip(center, sa) == 0)
-                    {
-                        continue;
-                    }
-
-                    sVisibleLightCount++;
-
-                    if (camera->getOrigin().mV[0] > c[0] + s + 0.2f || camera->getOrigin().mV[0] < c[0] - s - 0.2f ||
-                        camera->getOrigin().mV[1] > c[1] + s + 0.2f || camera->getOrigin().mV[1] < c[1] - s - 0.2f ||
-                        camera->getOrigin().mV[2] > c[2] + s + 0.2f || camera->getOrigin().mV[2] < c[2] - s - 0.2f)
-                    {  // draw box if camera is outside box
-                        if (volume->isLightSpotlight())
-                        {
-                            drawablep->getVOVolume()->updateSpotLightPriority();
-                            spot_lights.push_back(drawablep);
-                            continue;
-                        }
-
-                        gDeferredLightProgram.uniform3fv(LLShaderMgr::LIGHT_CENTER, 1, c);
-                        gDeferredLightProgram.uniform1f(LLShaderMgr::LIGHT_SIZE, s);
-                        gDeferredLightProgram.uniform3fv(LLShaderMgr::DIFFUSE_COLOR, 1, col.mV);
-                        gDeferredLightProgram.uniform1f(LLShaderMgr::LIGHT_FALLOFF, volume->getLightFalloff(DEFERRED_LIGHT_FALLOFF));
-                        gGL.syncMatrices();
-
-                        mCubeVB->drawRange(LLRender::TRIANGLE_FAN, 0, 7, 8, get_box_fan_indices(camera, center));
-                    }
-                    else
-                    {
-                        if (volume->isLightSpotlight())
-                        {
-                            drawablep->getVOVolume()->updateSpotLightPriority();
-                            fullscreen_spot_lights.push_back(drawablep);
-                            continue;
-                        }
-
-                        glh::vec3f tc(c);
-                        mat.mult_matrix_vec(tc);
-
-                        fullscreen_lights.push_back(LLVector4(tc.v[0], tc.v[1], tc.v[2], s));
-                        light_colors.push_back(LLVector4(col.mV[0], col.mV[1], col.mV[2], volume->getLightFalloff(DEFERRED_LIGHT_FALLOFF)));
-                    }
-                }
-
-                // Bookmark comment to allow searching for mSpecialRenderMode == 3 (avatar edit mode),
-                // prev site of appended deferred character light, removed by SL-13522 09/20
-
-                unbindDeferredShader(gDeferredLightProgram);
-            }
-
-            if (!spot_lights.empty())
-            {
-                LL_PROFILE_ZONE_NAMED_CATEGORY_PIPELINE("renderDeferredLighting - projectors");
-                LL_PROFILE_GPU_ZONE("projectors");
-                LLGLDepthTest depth(GL_TRUE, GL_FALSE);
-                bindDeferredShader(gDeferredSpotLightProgram);
-
-                mCubeVB->setBuffer();
-
-                gDeferredSpotLightProgram.enableTexture(LLShaderMgr::DEFERRED_PROJECTION);
-
-                for (LLDrawable::drawable_list_t::iterator iter = spot_lights.begin(); iter != spot_lights.end(); ++iter)
-                {
-                    LLDrawable *drawablep = *iter;
-
-                    LLVOVolume *volume = drawablep->getVOVolume();
-
-                    LLVector4a center;
-                    center.load3(drawablep->getPositionAgent().mV);
-                    const F32* c = center.getF32ptr();
-                    F32        s = volume->getLightRadius() * 1.5f;
-
-                    sVisibleLightCount++;
-
-                    setupSpotLight(gDeferredSpotLightProgram, drawablep);
-
-                    // send light color to shader in linear space
-                    LLColor3 col = volume->getLightLinearColor() * light_scale;
-
-                    gDeferredSpotLightProgram.uniform3fv(LLShaderMgr::LIGHT_CENTER, 1, c);
-                    gDeferredSpotLightProgram.uniform1f(LLShaderMgr::LIGHT_SIZE, s);
-                    gDeferredSpotLightProgram.uniform3fv(LLShaderMgr::DIFFUSE_COLOR, 1, col.mV);
-                    gDeferredSpotLightProgram.uniform1f(LLShaderMgr::LIGHT_FALLOFF, volume->getLightFalloff(DEFERRED_LIGHT_FALLOFF));
-                    gGL.syncMatrices();
-
-                    mCubeVB->drawRange(LLRender::TRIANGLE_FAN, 0, 7, 8, get_box_fan_indices(camera, center));
-                }
-                gDeferredSpotLightProgram.disableTexture(LLShaderMgr::DEFERRED_PROJECTION);
-                unbindDeferredShader(gDeferredSpotLightProgram);
-            }
-
-            {
-                LL_PROFILE_ZONE_NAMED_CATEGORY_PIPELINE("renderDeferredLighting - fullscreen lights");
-                LLGLDepthTest depth(GL_FALSE);
-                LL_PROFILE_GPU_ZONE("fullscreen lights");
-
-                U32 count = 0;
-
-                const U32 max_count = LL_DEFERRED_MULTI_LIGHT_COUNT;
-                LLVector4 light[max_count];
-                LLVector4 col[max_count];
-
-                F32 far_z = 0.f;
-
-                while (!fullscreen_lights.empty())
-                {
-                    light[count] = fullscreen_lights.front();
-                    fullscreen_lights.pop_front();
-                    col[count] = light_colors.front();
-                    light_colors.pop_front();
-
-                    far_z = llmin(light[count].mV[2] - light[count].mV[3], far_z);
-                    count++;
-                    if (count == max_count || fullscreen_lights.empty())
-                    {
-                        U32 idx = count - 1;
-                        bindDeferredShader(gDeferredMultiLightProgram[idx]);
-                        gDeferredMultiLightProgram[idx].uniform1i(LLShaderMgr::MULTI_LIGHT_COUNT, count);
-                        gDeferredMultiLightProgram[idx].uniform4fv(LLShaderMgr::MULTI_LIGHT, count, (GLfloat*)light);
-                        gDeferredMultiLightProgram[idx].uniform4fv(LLShaderMgr::MULTI_LIGHT_COL, count, (GLfloat*)col);
-                        gDeferredMultiLightProgram[idx].uniform1f(LLShaderMgr::MULTI_LIGHT_FAR_Z, far_z);
-                        far_z = 0.f;
-                        count = 0;
-                        mScreenTriangleVB->setBuffer();
-                        mScreenTriangleVB->drawArrays(LLRender::TRIANGLES, 0, 3);
-                        unbindDeferredShader(gDeferredMultiLightProgram[idx]);
-                    }
-                }
-
-                bindDeferredShader(gDeferredMultiSpotLightProgram);
-
-                gDeferredMultiSpotLightProgram.enableTexture(LLShaderMgr::DEFERRED_PROJECTION);
-
-                mScreenTriangleVB->setBuffer();
-
-                for (LLDrawable::drawable_list_t::iterator iter = fullscreen_spot_lights.begin(); iter != fullscreen_spot_lights.end(); ++iter)
-                {
-                    LLDrawable* drawablep = *iter;
-                    LLVOVolume* volume = drawablep->getVOVolume();
-                    LLVector3   center = drawablep->getPositionAgent();
-                    F32* c = center.mV;
-                    F32         light_size_final = volume->getLightRadius() * 1.5f;
-                    F32         light_falloff_final = volume->getLightFalloff(DEFERRED_LIGHT_FALLOFF);
-
-                    sVisibleLightCount++;
-
-                    glh::vec3f tc(c);
-                    mat.mult_matrix_vec(tc);
-
-                    setupSpotLight(gDeferredMultiSpotLightProgram, drawablep);
-
-                    // send light color to shader in linear space
-                    LLColor3 col = volume->getLightLinearColor() * light_scale;
-
-                    gDeferredMultiSpotLightProgram.uniform3fv(LLShaderMgr::LIGHT_CENTER, 1, tc.v);
-                    gDeferredMultiSpotLightProgram.uniform1f(LLShaderMgr::LIGHT_SIZE, light_size_final);
-                    gDeferredMultiSpotLightProgram.uniform3fv(LLShaderMgr::DIFFUSE_COLOR, 1, col.mV);
-                    gDeferredMultiSpotLightProgram.uniform1f(LLShaderMgr::LIGHT_FALLOFF, light_falloff_final);
-                    mScreenTriangleVB->drawArrays(LLRender::TRIANGLES, 0, 3);
-                }
-
-                gDeferredMultiSpotLightProgram.disableTexture(LLShaderMgr::DEFERRED_PROJECTION);
-                unbindDeferredShader(gDeferredMultiSpotLightProgram);
-            }
-        }
-
-        gGL.setColorMask(true, true);
-    }
-
-    {  // render non-deferred geometry (alpha, fullbright, glow)
-        LLGLDisable blend(GL_BLEND);
-
-        pushRenderTypeMask();
-        andRenderTypeMask(LLPipeline::RENDER_TYPE_ALPHA,
-                          LLPipeline::RENDER_TYPE_ALPHA_PRE_WATER,
-                          LLPipeline::RENDER_TYPE_ALPHA_POST_WATER,
-                          LLPipeline::RENDER_TYPE_FULLBRIGHT,
-                          LLPipeline::RENDER_TYPE_VOLUME,
-                          LLPipeline::RENDER_TYPE_GLOW,
-                          LLPipeline::RENDER_TYPE_BUMP,
-                          LLPipeline::RENDER_TYPE_GLTF_PBR,
-                          LLPipeline::RENDER_TYPE_PASS_SIMPLE,
-                          LLPipeline::RENDER_TYPE_PASS_ALPHA,
-                          LLPipeline::RENDER_TYPE_PASS_ALPHA_MASK,
-                          LLPipeline::RENDER_TYPE_PASS_BUMP,
-                          LLPipeline::RENDER_TYPE_PASS_POST_BUMP,
-                          LLPipeline::RENDER_TYPE_PASS_FULLBRIGHT,
-                          LLPipeline::RENDER_TYPE_PASS_FULLBRIGHT_ALPHA_MASK,
-                          LLPipeline::RENDER_TYPE_PASS_FULLBRIGHT_SHINY,
-                          LLPipeline::RENDER_TYPE_PASS_GLOW,
-                          LLPipeline::RENDER_TYPE_PASS_GLTF_GLOW,
-                          LLPipeline::RENDER_TYPE_PASS_GRASS,
-                          LLPipeline::RENDER_TYPE_PASS_SHINY,
-                          LLPipeline::RENDER_TYPE_PASS_INVISIBLE,
-                          LLPipeline::RENDER_TYPE_PASS_INVISI_SHINY,
-                          LLPipeline::RENDER_TYPE_AVATAR,
-                          LLPipeline::RENDER_TYPE_CONTROL_AV,
-                          LLPipeline::RENDER_TYPE_ALPHA_MASK,
-                          LLPipeline::RENDER_TYPE_FULLBRIGHT_ALPHA_MASK,
-                          LLPipeline::RENDER_TYPE_WATER,
-                          END_RENDER_TYPES);
-
-        renderGeomPostDeferred(*LLViewerCamera::getInstance());
-        popRenderTypeMask();
-    }
-
-    screen_target->flush();
-
-    if (!gCubeSnapshot)
-    {
-        // this is the end of the 3D scene render, grab a copy of the modelview and projection
-        // matrix for use in off-by-one-frame effects in the next frame
-        for (U32 i = 0; i < 16; i++)
-        {
-            gGLLastModelView[i] = gGLModelView[i];
-            gGLLastProjection[i] = gGLProjection[i];
-        }
-    }
-    gGL.setColorMask(true, true);
-}
-
-void LLPipeline::doAtmospherics()
-{
-    LL_PROFILE_ZONE_SCOPED_CATEGORY_PIPELINE;
-
-    if (sImpostorRender)
-    { // do not attempt atmospherics on impostors
-        return;
-    }
-
-    if (RenderDeferredAtmospheric)
-    {
-        {
-            // copy depth buffer for use in haze shader (use water displacement map as temp storage)
-            LLGLDepthTest depth(GL_TRUE, GL_TRUE, GL_ALWAYS);
-
-            LLRenderTarget& src = gPipeline.mRT->screen;
-            LLRenderTarget& depth_src = gPipeline.mRT->deferredScreen;
-            LLRenderTarget& dst = gPipeline.mWaterDis;
-
-            mRT->screen.flush();
-            dst.bindTarget();
-            gCopyDepthProgram.bind();
-
-            S32 diff_map = gCopyDepthProgram.getTextureChannel(LLShaderMgr::DIFFUSE_MAP);
-            S32 depth_map = gCopyDepthProgram.getTextureChannel(LLShaderMgr::DEFERRED_DEPTH);
-
-            gGL.getTexUnit(diff_map)->bind(&src);
-            gGL.getTexUnit(depth_map)->bind(&depth_src, true);
-
-            gGL.setColorMask(false, false);
-            gPipeline.mScreenTriangleVB->setBuffer();
-            gPipeline.mScreenTriangleVB->drawArrays(LLRender::TRIANGLES, 0, 3);
-
-            dst.flush();
-            mRT->screen.bindTarget();
-        }
-
-        LLGLEnable blend(GL_BLEND);
-        gGL.blendFunc(LLRender::BF_ONE, LLRender::BF_SOURCE_ALPHA, LLRender::BF_ZERO, LLRender::BF_SOURCE_ALPHA);
-        gGL.setColorMask(true, true);
-
-        // apply haze
-        LLGLSLShader& haze_shader = gHazeProgram;
-
-        LL_PROFILE_GPU_ZONE("haze");
-        bindDeferredShader(haze_shader, nullptr, &mWaterDis);
-
-        LLEnvironment& environment = LLEnvironment::instance();
-        haze_shader.uniform1i(LLShaderMgr::SUN_UP_FACTOR, environment.getIsSunUp() ? 1 : 0);
-        haze_shader.uniform3fv(LLShaderMgr::LIGHTNORM, 1, environment.getClampedLightNorm().mV);
-
-        haze_shader.uniform4fv(LLShaderMgr::WATER_WATERPLANE, 1, LLDrawPoolAlpha::sWaterPlane.mV);
-
-        LLGLDepthTest depth(GL_FALSE);
-
-        // full screen blit
-        mScreenTriangleVB->setBuffer();
-        mScreenTriangleVB->drawArrays(LLRender::TRIANGLES, 0, 3);
-    
-        unbindDeferredShader(haze_shader);
-
-        gGL.setSceneBlendType(LLRender::BT_ALPHA);
-    }
-}
-
-void LLPipeline::doWaterHaze()
-{
-    LL_PROFILE_ZONE_SCOPED_CATEGORY_PIPELINE;
-    if (sImpostorRender)
-    { // do not attempt water haze on impostors
-        return;
-    }
-
-    if (RenderDeferredAtmospheric)
-    {
-        // copy depth buffer for use in haze shader (use water displacement map as temp storage)
-        {
-            LLGLDepthTest depth(GL_TRUE, GL_TRUE, GL_ALWAYS);
-
-            LLRenderTarget& src = gPipeline.mRT->screen;
-            LLRenderTarget& depth_src = gPipeline.mRT->deferredScreen;
-            LLRenderTarget& dst = gPipeline.mWaterDis;
-
-            mRT->screen.flush();
-            dst.bindTarget();
-            gCopyDepthProgram.bind();
-
-            S32 diff_map = gCopyDepthProgram.getTextureChannel(LLShaderMgr::DIFFUSE_MAP);
-            S32 depth_map = gCopyDepthProgram.getTextureChannel(LLShaderMgr::DEFERRED_DEPTH);
-
-            gGL.getTexUnit(diff_map)->bind(&src);
-            gGL.getTexUnit(depth_map)->bind(&depth_src, true);
-
-            gGL.setColorMask(false, false);
-            gPipeline.mScreenTriangleVB->setBuffer();
-            gPipeline.mScreenTriangleVB->drawArrays(LLRender::TRIANGLES, 0, 3);
-
-            dst.flush();
-            mRT->screen.bindTarget();
-        }
-
-        LLGLEnable blend(GL_BLEND);
-        gGL.blendFunc(LLRender::BF_ONE, LLRender::BF_SOURCE_ALPHA, LLRender::BF_ZERO, LLRender::BF_SOURCE_ALPHA);
-
-        gGL.setColorMask(true, true);
-
-        // apply haze
-        LLGLSLShader& haze_shader = gHazeWaterProgram;
-
-        LL_PROFILE_GPU_ZONE("haze");
-        bindDeferredShader(haze_shader, nullptr, &mWaterDis);
-
-        haze_shader.uniform4fv(LLShaderMgr::WATER_WATERPLANE, 1, LLDrawPoolAlpha::sWaterPlane.mV);
-
-        static LLStaticHashedString above_water_str("above_water");
-        haze_shader.uniform1i(above_water_str, sUnderWaterRender ? -1 : 1);
-
-        if (LLPipeline::sUnderWaterRender)
-        {
-            LLGLDepthTest depth(GL_FALSE);
-
-            // full screen blit
-            mScreenTriangleVB->setBuffer();
-            mScreenTriangleVB->drawArrays(LLRender::TRIANGLES, 0, 3);
-        }
-        else
-        {
-            //render water patches like LLDrawPoolWater does
-            LLGLDepthTest depth(GL_TRUE, GL_FALSE);
-            LLGLDisable   cull(GL_CULL_FACE);
-
-            gGLLastMatrix = NULL;
-            gGL.loadMatrix(gGLModelView);
-
-            if (mWaterPool)
-            {
-                mWaterPool->pushFaceGeometry();
-            }
-        }
-
-        unbindDeferredShader(haze_shader);
-
-
-        gGL.setSceneBlendType(LLRender::BT_ALPHA);
-    }
-}
-
-void LLPipeline::setupSpotLight(LLGLSLShader& shader, LLDrawable* drawablep)
-{
-	//construct frustum
-	LLVOVolume* volume = drawablep->getVOVolume();
-	LLVector3 params = volume->getSpotLightParams();
-
-	F32 fov = params.mV[0];
-	F32 focus = params.mV[1];
-
-	LLVector3 pos = drawablep->getPositionAgent();
-	LLQuaternion quat = volume->getRenderRotation();
-	LLVector3 scale = volume->getScale();
-	
-	//get near clip plane
-	LLVector3 at_axis(0,0,-scale.mV[2]*0.5f);
-	at_axis *= quat;
-
-	LLVector3 np = pos+at_axis;
-	at_axis.normVec();
-
-	//get origin that has given fov for plane np, at_axis, and given scale
-	F32 dist = (scale.mV[1]*0.5f)/tanf(fov*0.5f);
-
-	LLVector3 origin = np - at_axis*dist;
-
-	//matrix from volume space to agent space
-	LLMatrix4 light_mat(quat, LLVector4(origin,1.f));
-
-	glh::matrix4f light_to_agent((F32*) light_mat.mMatrix);
-	glh::matrix4f light_to_screen = get_current_modelview() * light_to_agent;
-
-	glh::matrix4f screen_to_light = light_to_screen.inverse();
-
-	F32 s = volume->getLightRadius()*1.5f;
-	F32 near_clip = dist;
-	F32 width = scale.mV[VX];
-	F32 height = scale.mV[VY];
-	F32 far_clip = s+dist-scale.mV[VZ];
-
-	F32 fovy = fov * RAD_TO_DEG;
-	F32 aspect = width/height;
-
-	glh::matrix4f trans(0.5f, 0.f, 0.f, 0.5f,
-				0.f, 0.5f, 0.f, 0.5f,
-				0.f, 0.f, 0.5f, 0.5f,
-				0.f, 0.f, 0.f, 1.f);
-
-	glh::vec3f p1(0, 0, -(near_clip+0.01f));
-	glh::vec3f p2(0, 0, -(near_clip+1.f));
-
-	glh::vec3f screen_origin(0, 0, 0);
-
-	light_to_screen.mult_matrix_vec(p1);
-	light_to_screen.mult_matrix_vec(p2);
-	light_to_screen.mult_matrix_vec(screen_origin);
-
-	glh::vec3f n = p2-p1;
-	n.normalize();
-	
-	F32 proj_range = far_clip - near_clip;
-	glh::matrix4f light_proj = gl_perspective(fovy, aspect, near_clip, far_clip);
-	screen_to_light = trans * light_proj * screen_to_light;
-	shader.uniformMatrix4fv(LLShaderMgr::PROJECTOR_MATRIX, 1, false, screen_to_light.m);
-	shader.uniform1f(LLShaderMgr::PROJECTOR_NEAR, near_clip);
-	shader.uniform3fv(LLShaderMgr::PROJECTOR_P, 1, p1.v);
-	shader.uniform3fv(LLShaderMgr::PROJECTOR_N, 1, n.v);
-	shader.uniform3fv(LLShaderMgr::PROJECTOR_ORIGIN, 1, screen_origin.v);
-	shader.uniform1f(LLShaderMgr::PROJECTOR_RANGE, proj_range);
-	shader.uniform1f(LLShaderMgr::PROJECTOR_AMBIANCE, params.mV[2]);
-	S32 s_idx = -1;
-
-	for (U32 i = 0; i < 2; i++)
-	{
-		if (mShadowSpotLight[i] == drawablep)
-		{
-			s_idx = i;
-		}
-	}
-
-	shader.uniform1i(LLShaderMgr::PROJECTOR_SHADOW_INDEX, s_idx);
-
-	if (s_idx >= 0)
-	{
-		shader.uniform1f(LLShaderMgr::PROJECTOR_SHADOW_FADE, 1.f-mSpotLightFade[s_idx]);
-	}
-	else
-	{
-		shader.uniform1f(LLShaderMgr::PROJECTOR_SHADOW_FADE, 1.f);
-	}
-
-    // make sure we're not already targeting the same spot light with both shadow maps
-    llassert(mTargetShadowSpotLight[0] != mTargetShadowSpotLight[1] || mTargetShadowSpotLight[0].isNull());
-
-    if (!gCubeSnapshot)
-	{
-		LLDrawable* potential = drawablep;
-		//determine if this light is higher priority than one of the existing spot shadows
-		F32 m_pri = volume->getSpotLightPriority();
-
-		for (U32 i = 0; i < 2; i++)
-		{
-			F32 pri = 0.f;
-
-			if (mTargetShadowSpotLight[i].notNull())
-			{
-				pri = mTargetShadowSpotLight[i]->getVOVolume()->getSpotLightPriority();
-			}
-
-			if (m_pri > pri)
-			{
-				LLDrawable* temp = mTargetShadowSpotLight[i];
-				mTargetShadowSpotLight[i] = potential;
-				potential = temp;
-				m_pri = pri;
-			}
-		}
-	}
-
-    // make sure we didn't end up targeting the same spot light with both shadow maps
-    llassert(mTargetShadowSpotLight[0] != mTargetShadowSpotLight[1] || mTargetShadowSpotLight[0].isNull());
-
-	LLViewerTexture* img = volume->getLightTexture();
-
-	if (img == NULL)
-	{
-		img = LLViewerFetchedTexture::sWhiteImagep;
-	}
-
-	S32 channel = shader.enableTexture(LLShaderMgr::DEFERRED_PROJECTION);
-
-	if (channel > -1)
-	{
-		if (img)
-		{
-			gGL.getTexUnit(channel)->bind(img);
-
-			F32 lod_range = logf(img->getWidth())/logf(2.f);
-
-			shader.uniform1f(LLShaderMgr::PROJECTOR_FOCUS, focus);
-			shader.uniform1f(LLShaderMgr::PROJECTOR_LOD, lod_range);
-			shader.uniform1f(LLShaderMgr::PROJECTOR_AMBIENT_LOD, llclamp((proj_range-focus)/proj_range*lod_range, 0.f, 1.f));
-		}
-	}
-		
-}
-
-void LLPipeline::unbindDeferredShader(LLGLSLShader &shader)
-{
-    LLRenderTarget* deferred_target       = &mRT->deferredScreen;
-    LLRenderTarget* deferred_light_target = &mRT->deferredLight;
-
-	stop_glerror();
-    shader.disableTexture(LLShaderMgr::DEFERRED_NORMAL, deferred_target->getUsage());
-    shader.disableTexture(LLShaderMgr::DEFERRED_DIFFUSE, deferred_target->getUsage());
-    shader.disableTexture(LLShaderMgr::DEFERRED_SPECULAR, deferred_target->getUsage());
-    shader.disableTexture(LLShaderMgr::DEFERRED_EMISSIVE, deferred_target->getUsage());
-    shader.disableTexture(LLShaderMgr::DEFERRED_BRDF_LUT);
-    //shader.disableTexture(LLShaderMgr::DEFERRED_DEPTH, deferred_depth_target->getUsage());
-    shader.disableTexture(LLShaderMgr::DEFERRED_DEPTH, deferred_target->getUsage());
-    shader.disableTexture(LLShaderMgr::DEFERRED_LIGHT, deferred_light_target->getUsage());
-	shader.disableTexture(LLShaderMgr::DIFFUSE_MAP);
-	shader.disableTexture(LLShaderMgr::DEFERRED_BLOOM);
-
-	for (U32 i = 0; i < 4; i++)
-	{
-		if (shader.disableTexture(LLShaderMgr::DEFERRED_SHADOW0+i) > -1)
-		{
-			glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_COMPARE_MODE, GL_NONE);
-		}
-	}
-
-	for (U32 i = 4; i < 6; i++)
-	{
-		if (shader.disableTexture(LLShaderMgr::DEFERRED_SHADOW0+i) > -1)
-		{
-			glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_COMPARE_MODE, GL_NONE);
-		}
-	}
-
-	shader.disableTexture(LLShaderMgr::DEFERRED_NOISE);
-	shader.disableTexture(LLShaderMgr::DEFERRED_LIGHTFUNC);
-
-    if (!LLPipeline::sReflectionProbesEnabled)
-    {
-        S32 channel = shader.disableTexture(LLShaderMgr::ENVIRONMENT_MAP, LLTexUnit::TT_CUBE_MAP);
-        if (channel > -1)
-        {
-            LLCubeMap* cube_map = gSky.mVOSkyp ? gSky.mVOSkyp->getCubeMap() : NULL;
-            if (cube_map)
-            {
-                cube_map->disable();
-            }
-        }
-    }
-
-    unbindReflectionProbes(shader);
-
-	gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
-	gGL.getTexUnit(0)->activate();
-	shader.unbind();
-}
-
-void LLPipeline::setEnvMat(LLGLSLShader& shader)
-{
-    F32* m = gGLModelView;
-
-    F32 mat[] = { m[0], m[1], m[2],
-                    m[4], m[5], m[6],
-                    m[8], m[9], m[10] };
-
-    shader.uniformMatrix3fv(LLShaderMgr::DEFERRED_ENV_MAT, 1, true, mat);
-}
-
-void LLPipeline::bindReflectionProbes(LLGLSLShader& shader)
-{
-    if (!sReflectionProbesEnabled)
-    {
-        return;
-    }
-
-    S32 channel = shader.enableTexture(LLShaderMgr::REFLECTION_PROBES, LLTexUnit::TT_CUBE_MAP_ARRAY);
-    bool bound = false;
-    if (channel > -1 && mReflectionMapManager.mTexture.notNull())
-    {
-        mReflectionMapManager.mTexture->bind(channel);
-        bound = true;
-    }
-
-    channel = shader.enableTexture(LLShaderMgr::IRRADIANCE_PROBES, LLTexUnit::TT_CUBE_MAP_ARRAY);
-    if (channel > -1 && mReflectionMapManager.mIrradianceMaps.notNull())
-    {
-        mReflectionMapManager.mIrradianceMaps->bind(channel);
-        bound = true;
-    }
-
-    if (bound)
-    {
-        mReflectionMapManager.setUniforms();
-
-        setEnvMat(shader);
-    }
-
-    // reflection probe shaders generally sample the scene map as well for SSR
-    channel = shader.enableTexture(LLShaderMgr::SCENE_MAP);
-    if (channel > -1)
-    {
-        gGL.getTexUnit(channel)->bind(&mSceneMap);
-    }
-
-	
-    shader.uniform1f(LLShaderMgr::DEFERRED_SSR_ITR_COUNT, RenderScreenSpaceReflectionIterations);
-    shader.uniform1f(LLShaderMgr::DEFERRED_SSR_DIST_BIAS, RenderScreenSpaceReflectionDistanceBias);
-    shader.uniform1f(LLShaderMgr::DEFERRED_SSR_RAY_STEP, RenderScreenSpaceReflectionRayStep);
-    shader.uniform1f(LLShaderMgr::DEFERRED_SSR_GLOSSY_SAMPLES, RenderScreenSpaceReflectionGlossySamples);
-    shader.uniform1f(LLShaderMgr::DEFERRED_SSR_REJECT_BIAS, RenderScreenSpaceReflectionDepthRejectBias);
-    mPoissonOffset++;
-
-	if (mPoissonOffset > 128 - RenderScreenSpaceReflectionGlossySamples)
-        mPoissonOffset = 0;
-
-    shader.uniform1f(LLShaderMgr::DEFERRED_SSR_NOISE_SINE, mPoissonOffset);
-    shader.uniform1f(LLShaderMgr::DEFERRED_SSR_ADAPTIVE_STEP_MULT, RenderScreenSpaceReflectionAdaptiveStepMultiplier);
-
-    channel = shader.enableTexture(LLShaderMgr::SCENE_DEPTH);
-    if (channel > -1)
-    {
-        gGL.getTexUnit(channel)->bind(&mSceneMap, true);
-    }
-
-
-}
-
-void LLPipeline::unbindReflectionProbes(LLGLSLShader& shader)
-{
-    S32 channel = shader.disableTexture(LLShaderMgr::REFLECTION_PROBES, LLTexUnit::TT_CUBE_MAP);
-    if (channel > -1 && mReflectionMapManager.mTexture.notNull())
-    {
-        mReflectionMapManager.mTexture->unbind();
-        if (channel == 0)
-        {
-            gGL.getTexUnit(channel)->enable(LLTexUnit::TT_TEXTURE);
-        }
-    }
-}
-
-
-inline float sgn(float a)
-{
-    if (a > 0.0F) return (1.0F);
-    if (a < 0.0F) return (-1.0F);
-    return (0.0F);
-}
-
-glh::matrix4f look(const LLVector3 pos, const LLVector3 dir, const LLVector3 up)
-{
-	glh::matrix4f ret;
-
-	LLVector3 dirN;
-	LLVector3 upN;
-	LLVector3 lftN;
-
-	lftN = dir % up;
-	lftN.normVec();
-	
-	upN = lftN % dir;
-	upN.normVec();
-	
-	dirN = dir;
-	dirN.normVec();
-
-	ret.m[ 0] = lftN[0];
-	ret.m[ 1] = upN[0];
-	ret.m[ 2] = -dirN[0];
-	ret.m[ 3] = 0.f;
-
-	ret.m[ 4] = lftN[1];
-	ret.m[ 5] = upN[1];
-	ret.m[ 6] = -dirN[1];
-	ret.m[ 7] = 0.f;
-
-	ret.m[ 8] = lftN[2];
-	ret.m[ 9] = upN[2];
-	ret.m[10] = -dirN[2];
-	ret.m[11] = 0.f;
-
-	ret.m[12] = -(lftN*pos);
-	ret.m[13] = -(upN*pos);
-	ret.m[14] = dirN*pos;
-	ret.m[15] = 1.f;
-
-	return ret;
-}
-
-glh::matrix4f scale_translate_to_fit(const LLVector3 min, const LLVector3 max)
-{
-	glh::matrix4f ret;
-	ret.m[ 0] = 2/(max[0]-min[0]);
-	ret.m[ 4] = 0;
-	ret.m[ 8] = 0;
-	ret.m[12] = -(max[0]+min[0])/(max[0]-min[0]);
-
-	ret.m[ 1] = 0;
-	ret.m[ 5] = 2/(max[1]-min[1]);
-	ret.m[ 9] = 0;
-	ret.m[13] = -(max[1]+min[1])/(max[1]-min[1]);
-
-	ret.m[ 2] = 0;
-	ret.m[ 6] = 0;
-	ret.m[10] = 2/(max[2]-min[2]);
-	ret.m[14] = -(max[2]+min[2])/(max[2]-min[2]);
-
-	ret.m[ 3] = 0;
-	ret.m[ 7] = 0;
-	ret.m[11] = 0;
-	ret.m[15] = 1;
-
-	return ret;
-}
-
-static LLTrace::BlockTimerStatHandle FTM_SHADOW_RENDER("Render Shadows");
-static LLTrace::BlockTimerStatHandle FTM_SHADOW_ALPHA("Alpha Shadow");
-static LLTrace::BlockTimerStatHandle FTM_SHADOW_SIMPLE("Simple Shadow");
-static LLTrace::BlockTimerStatHandle FTM_SHADOW_GEOM("Shadow Geom");
-
-static LLTrace::BlockTimerStatHandle FTM_SHADOW_ALPHA_MASKED("Alpha Masked");
-static LLTrace::BlockTimerStatHandle FTM_SHADOW_ALPHA_BLEND("Alpha Blend");
-static LLTrace::BlockTimerStatHandle FTM_SHADOW_ALPHA_TREE("Alpha Tree");
-static LLTrace::BlockTimerStatHandle FTM_SHADOW_ALPHA_GRASS("Alpha Grass");
-static LLTrace::BlockTimerStatHandle FTM_SHADOW_FULLBRIGHT_ALPHA_MASKED("Fullbright Alpha Masked");
-
-void LLPipeline::renderShadow(glh::matrix4f& view, glh::matrix4f& proj, LLCamera& shadow_cam, LLCullResult& result, bool depth_clamp)
-{
-    LL_PROFILE_ZONE_SCOPED_CATEGORY_PIPELINE; //LL_RECORD_BLOCK_TIME(FTM_SHADOW_RENDER);
-    LL_PROFILE_GPU_ZONE("renderShadow");
-    
-    LLPipeline::sShadowRender = true;
-
-    // disable occlusion culling during shadow render
-    U32 saved_occlusion = sUseOcclusion;
-    sUseOcclusion = 0;
-
-    // List of render pass types that use the prim volume as the shadow,
-    // ignoring textures.
-    static const U32 types[] = {
-        LLRenderPass::PASS_SIMPLE,
-        LLRenderPass::PASS_FULLBRIGHT,
-        LLRenderPass::PASS_SHINY,
-        LLRenderPass::PASS_BUMP,
-        LLRenderPass::PASS_FULLBRIGHT_SHINY,
-        LLRenderPass::PASS_MATERIAL,
-        LLRenderPass::PASS_MATERIAL_ALPHA_EMISSIVE,
-        LLRenderPass::PASS_SPECMAP,
-        LLRenderPass::PASS_SPECMAP_EMISSIVE,
-        LLRenderPass::PASS_NORMMAP,
-        LLRenderPass::PASS_NORMMAP_EMISSIVE,
-        LLRenderPass::PASS_NORMSPEC,
-        LLRenderPass::PASS_NORMSPEC_EMISSIVE
-    };
-
-    LLGLEnable cull(GL_CULL_FACE);
-
-    //enable depth clamping if available
-    LLGLEnable clamp_depth(depth_clamp ? GL_DEPTH_CLAMP : 0);
-
-    LLGLDepthTest depth_test(GL_TRUE, GL_TRUE, GL_LESS);
-
-    updateCull(shadow_cam, result);
-
-    stateSort(shadow_cam, result);
-
-    //generate shadow map
-    gGL.matrixMode(LLRender::MM_PROJECTION);
-    gGL.pushMatrix();
-    gGL.loadMatrix(proj.m);
-    gGL.matrixMode(LLRender::MM_MODELVIEW);
-    gGL.pushMatrix();
-    gGL.loadMatrix(view.m);
-
-    stop_glerror();
-    gGLLastMatrix = NULL;
-
-    gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
-
-    stop_glerror();
-
-    struct CompareVertexBuffer
-    {
-        bool operator()(const LLDrawInfo* const& lhs, const LLDrawInfo* const& rhs)
-        {
-            return lhs->mVertexBuffer > rhs->mVertexBuffer;
-        }
-    };
-
-
-    LLVertexBuffer::unbind();
-    for (int j = 0; j < 2; ++j) // 0 -- static, 1 -- rigged
-    {
-        bool rigged = j == 1;
-        gDeferredShadowProgram.bind(rigged);
-
-        gGL.diffuseColor4f(1, 1, 1, 1);
-
-        S32 shadow_detail = gSavedSettings.getS32("RenderShadowDetail");
-
-        // if not using VSM, disable color writes
-        if (shadow_detail <= 2)
-        {
-            gGL.setColorMask(false, false);
-        }
-
-        LL_PROFILE_ZONE_NAMED_CATEGORY_PIPELINE("shadow simple"); //LL_RECORD_BLOCK_TIME(FTM_SHADOW_SIMPLE);
-        LL_PROFILE_GPU_ZONE("shadow simple");
-        gGL.getTexUnit(0)->disable();
-
-        for (U32 type : types)
-        {
-            renderObjects(type, false, false, rigged);
-        }
-
-        renderGLTFObjects(LLRenderPass::PASS_GLTF_PBR, false, rigged);
-
-        gGL.getTexUnit(0)->enable(LLTexUnit::TT_TEXTURE);
-    }
-
-    if (LLPipeline::sUseOcclusion > 1)
-    { // do occlusion culling against non-masked only to take advantage of hierarchical Z
-        doOcclusion(shadow_cam);
-    }
-
-
-    {
-        LL_PROFILE_ZONE_NAMED_CATEGORY_PIPELINE("shadow geom");
-        renderGeomShadow(shadow_cam);
-    }
-
-    {
-        LL_PROFILE_ZONE_NAMED_CATEGORY_PIPELINE("shadow alpha");
-        LL_PROFILE_GPU_ZONE("shadow alpha");
-        const S32 sun_up = LLEnvironment::instance().getIsSunUp() ? 1 : 0;
-        U32 target_width = LLRenderTarget::sCurResX;
-
-        for (int i = 0; i < 2; ++i)
-        {
-            bool rigged = i == 1;
-
-            {
-                LL_PROFILE_ZONE_NAMED_CATEGORY_PIPELINE("shadow alpha masked");
-                LL_PROFILE_GPU_ZONE("shadow alpha masked");
-                gDeferredShadowAlphaMaskProgram.bind(rigged);
-                LLGLSLShader::sCurBoundShaderPtr->uniform1i(LLShaderMgr::SUN_UP_FACTOR, sun_up);
-                LLGLSLShader::sCurBoundShaderPtr->uniform1f(LLShaderMgr::DEFERRED_SHADOW_TARGET_WIDTH, (float)target_width);
-                renderMaskedObjects(LLRenderPass::PASS_ALPHA_MASK, true, true, rigged);
-            }
-
-            {
-                LL_PROFILE_ZONE_NAMED_CATEGORY_PIPELINE("shadow alpha blend");
-                LL_PROFILE_GPU_ZONE("shadow alpha blend");
-                renderAlphaObjects(rigged);
-            }
-
-            {
-                LL_PROFILE_ZONE_NAMED_CATEGORY_PIPELINE("shadow fullbright alpha masked");
-                LL_PROFILE_GPU_ZONE("shadow alpha masked");
-                gDeferredShadowFullbrightAlphaMaskProgram.bind(rigged);
-                LLGLSLShader::sCurBoundShaderPtr->uniform1i(LLShaderMgr::SUN_UP_FACTOR, sun_up);
-                LLGLSLShader::sCurBoundShaderPtr->uniform1f(LLShaderMgr::DEFERRED_SHADOW_TARGET_WIDTH, (float)target_width);
-                renderFullbrightMaskedObjects(LLRenderPass::PASS_FULLBRIGHT_ALPHA_MASK, true, true, rigged);
-            }
-
-            {
-                LL_PROFILE_ZONE_NAMED_CATEGORY_PIPELINE("shadow alpha grass");
-                LL_PROFILE_GPU_ZONE("shadow alpha grass");
-                gDeferredTreeShadowProgram.bind(rigged);
-                LLGLSLShader::sCurBoundShaderPtr->setMinimumAlpha(ALPHA_BLEND_CUTOFF);
-
-                if (i == 0)
-                {
-                    renderObjects(LLRenderPass::PASS_GRASS, true);
-                }
-
-                {
-                    LL_PROFILE_ZONE_NAMED_CATEGORY_PIPELINE("shadow alpha material");
-                    LL_PROFILE_GPU_ZONE("shadow alpha material");
-                    renderMaskedObjects(LLRenderPass::PASS_NORMSPEC_MASK, true, false, rigged);
-                    renderMaskedObjects(LLRenderPass::PASS_MATERIAL_ALPHA_MASK, true, false, rigged);
-                    renderMaskedObjects(LLRenderPass::PASS_SPECMAP_MASK, true, false, rigged);
-                    renderMaskedObjects(LLRenderPass::PASS_NORMMAP_MASK, true, false, rigged);
-                }
-            }
-        }
-
-        for (int i = 0; i < 2; ++i)
-        {
-            bool rigged = i == 1;
-            gDeferredShadowGLTFAlphaMaskProgram.bind(rigged);
-            LLGLSLShader::sCurBoundShaderPtr->uniform1i(LLShaderMgr::SUN_UP_FACTOR, sun_up);
-            LLGLSLShader::sCurBoundShaderPtr->uniform1f(LLShaderMgr::DEFERRED_SHADOW_TARGET_WIDTH, (float)target_width);
-            
-            gGL.loadMatrix(gGLModelView);
-            gGLLastMatrix = NULL;
-
-            U32 type = LLRenderPass::PASS_GLTF_PBR_ALPHA_MASK;
-
-            if (rigged)
-            {
-                mAlphaMaskPool->pushRiggedGLTFBatches(type + 1);
-            }
-            else
-            {
-                mAlphaMaskPool->pushGLTFBatches(type);
-            }
-
-            gGL.loadMatrix(gGLModelView);
-            gGLLastMatrix = NULL;
-        }
-    }
-
-    gDeferredShadowCubeProgram.bind();
-    gGLLastMatrix = NULL;
-    gGL.loadMatrix(gGLModelView);
-
-    gGL.setColorMask(true, true);
-
-    gGL.matrixMode(LLRender::MM_PROJECTION);
-    gGL.popMatrix();
-    gGL.matrixMode(LLRender::MM_MODELVIEW);
-    gGL.popMatrix();
-    gGLLastMatrix = NULL;
-
-    // reset occlusion culling flag
-    sUseOcclusion = saved_occlusion;
-    LLPipeline::sShadowRender = false;
-}
-
-bool LLPipeline::getVisiblePointCloud(LLCamera& camera, LLVector3& min, LLVector3& max, std::vector<LLVector3>& fp, LLVector3 light_dir)
-{
-    LL_PROFILE_ZONE_SCOPED_CATEGORY_PIPELINE;
-	//get point cloud of intersection of frust and min, max
-
-	if (getVisibleExtents(camera, min, max))
-	{
-		return false;
-	}
-
-	//get set of planes on bounding box
-	LLPlane bp[] = { 
-		LLPlane(min, LLVector3(-1,0,0)),
-		LLPlane(min, LLVector3(0,-1,0)),
-		LLPlane(min, LLVector3(0,0,-1)),
-		LLPlane(max, LLVector3(1,0,0)),
-		LLPlane(max, LLVector3(0,1,0)),
-		LLPlane(max, LLVector3(0,0,1))};
-	
-	//potential points
-	std::vector<LLVector3> pp;
-
-	//add corners of AABB
-	pp.push_back(LLVector3(min.mV[0], min.mV[1], min.mV[2]));
-	pp.push_back(LLVector3(max.mV[0], min.mV[1], min.mV[2]));
-	pp.push_back(LLVector3(min.mV[0], max.mV[1], min.mV[2]));
-	pp.push_back(LLVector3(max.mV[0], max.mV[1], min.mV[2]));
-	pp.push_back(LLVector3(min.mV[0], min.mV[1], max.mV[2]));
-	pp.push_back(LLVector3(max.mV[0], min.mV[1], max.mV[2]));
-	pp.push_back(LLVector3(min.mV[0], max.mV[1], max.mV[2]));
-	pp.push_back(LLVector3(max.mV[0], max.mV[1], max.mV[2]));
-
-	//add corners of camera frustum
-	for (U32 i = 0; i < LLCamera::AGENT_FRUSTRUM_NUM; i++)
-	{
-		pp.push_back(camera.mAgentFrustum[i]);
-	}
-
-
-	//bounding box line segments
-	U32 bs[] = 
-			{
-		0,1,
-		1,3,
-		3,2,
-		2,0,
-
-		4,5,
-		5,7,
-		7,6,
-		6,4,
-
-		0,4,
-		1,5,
-		3,7,
-		2,6
-	};
-
-	for (U32 i = 0; i < 12; i++)
-	{ //for each line segment in bounding box
-		for (U32 j = 0; j < LLCamera::AGENT_PLANE_NO_USER_CLIP_NUM; j++) 
-		{ //for each plane in camera frustum
-			const LLPlane& cp = camera.getAgentPlane(j);
-			const LLVector3& v1 = pp[bs[i*2+0]];
-			const LLVector3& v2 = pp[bs[i*2+1]];
-			LLVector3 n;
-			cp.getVector3(n);
-
-			LLVector3 line = v1-v2;
-
-			F32 d1 = line*n;
-			F32 d2 = -cp.dist(v2);
-
-			F32 t = d2/d1;
-
-			if (t > 0.f && t < 1.f)
-			{
-				LLVector3 intersect = v2+line*t;
-				pp.push_back(intersect);
-			}
-		}
-	}
-			
-	//camera frustum line segments
-	const U32 fs[] =
-	{
-		0,1,
-		1,2,
-		2,3,
-		3,0,
-
-		4,5,
-		5,6,
-		6,7,
-		7,4,
-	
-		0,4,
-		1,5,
-		2,6,
-		3,7	
-	};
-
-	for (U32 i = 0; i < 12; i++)
-	{
-		for (U32 j = 0; j < 6; ++j)
-		{
-			const LLVector3& v1 = pp[fs[i*2+0]+8];
-			const LLVector3& v2 = pp[fs[i*2+1]+8];
-			const LLPlane& cp = bp[j];
-			LLVector3 n;
-			cp.getVector3(n);
-
-			LLVector3 line = v1-v2;
-
-			F32 d1 = line*n;
-			F32 d2 = -cp.dist(v2);
-
-			F32 t = d2/d1;
-
-			if (t > 0.f && t < 1.f)
-			{
-				LLVector3 intersect = v2+line*t;
-				pp.push_back(intersect);
-			}	
-		}
-	}
-
-	LLVector3 ext[] = { min-LLVector3(0.05f,0.05f,0.05f),
-		max+LLVector3(0.05f,0.05f,0.05f) };
-
-	for (U32 i = 0; i < pp.size(); ++i)
-	{
-		bool found = true;
-
-		const F32* p = pp[i].mV;
-			
-		for (U32 j = 0; j < 3; ++j)
-		{
-			if (p[j] < ext[0].mV[j] ||
-				p[j] > ext[1].mV[j])
-			{
-				found = false;
-				break;
-			}
-		}
-				
-		for (U32 j = 0; j < LLCamera::AGENT_PLANE_NO_USER_CLIP_NUM; ++j)
-		{
-			const LLPlane& cp = camera.getAgentPlane(j);
-			F32 dist = cp.dist(pp[i]);
-			if (dist > 0.05f) //point is above some plane, not contained
-			{
-				found = false;
-				break;
-			}
-		}
-
-		if (found)
-		{
-			fp.push_back(pp[i]);
-		}
-	}
-	
-	if (fp.empty())
-	{
-		return false;
-	}
-	
-	return true;
-}
-
-void LLPipeline::renderHighlight(const LLViewerObject* obj, F32 fade)
-{
-	if (obj && obj->getVolume())
-	{
-		for (LLViewerObject::child_list_t::const_iterator iter = obj->getChildren().begin(); iter != obj->getChildren().end(); ++iter)
-		{
-			renderHighlight(*iter, fade);
-		}
-
-		LLDrawable* drawable = obj->mDrawable;
-		if (drawable)
-		{
-			for (S32 i = 0; i < drawable->getNumFaces(); ++i)
-			{
-				LLFace* face = drawable->getFace(i);
-				if (face)
-				{
-					face->renderSelected(LLViewerTexture::sNullImagep, LLColor4(1,1,1,fade));
-				}
-			}
-		}
-	}
-}
-
-
-LLRenderTarget* LLPipeline::getSunShadowTarget(U32 i)
-{
-    llassert(i < 4);
-    return &mRT->shadow[i];
-}
-
-LLRenderTarget* LLPipeline::getSpotShadowTarget(U32 i)
-{
-    llassert(i < 2);
-    return &mSpotShadow[i];
-}
-
-static LLTrace::BlockTimerStatHandle FTM_GEN_SUN_SHADOW("Gen Sun Shadow");
-static LLTrace::BlockTimerStatHandle FTM_GEN_SUN_SHADOW_SPOT_RENDER("Spot Shadow Render");
-
-// helper class for disabling occlusion culling for the current stack frame
-class LLDisableOcclusionCulling
-{
-public:
-    S32 mUseOcclusion;
-
-    LLDisableOcclusionCulling()
-    {
-        mUseOcclusion = LLPipeline::sUseOcclusion;
-        LLPipeline::sUseOcclusion = 0;
-    }
-
-    ~LLDisableOcclusionCulling()
-    {
-        LLPipeline::sUseOcclusion = mUseOcclusion;
-    }
-};
-
-void LLPipeline::generateSunShadow(LLCamera& camera)
-{
-	if (!sRenderDeferred || RenderShadowDetail <= 0)
-	{
-		return;
-	}
-
-	LL_PROFILE_ZONE_SCOPED_CATEGORY_PIPELINE; //LL_RECORD_BLOCK_TIME(FTM_GEN_SUN_SHADOW);
-    LL_PROFILE_GPU_ZONE("generateSunShadow");
-
-    LLDisableOcclusionCulling no_occlusion;
-
-	bool skip_avatar_update = false;
-	if (!isAgentAvatarValid() || gAgentCamera.getCameraAnimating() || gAgentCamera.getCameraMode() != CAMERA_MODE_MOUSELOOK || !LLVOAvatar::sVisibleInFirstPerson)
-	{
-		skip_avatar_update = true;
-	}
-
-	if (!skip_avatar_update)
-	{
-		gAgentAvatarp->updateAttachmentVisibility(CAMERA_MODE_THIRD_PERSON);
-	}
-
-	F64 last_modelview[16];
-	F64 last_projection[16];
-	for (U32 i = 0; i < 16; i++)
-	{ //store last_modelview of world camera
-		last_modelview[i] = gGLLastModelView[i];
-		last_projection[i] = gGLLastProjection[i];
-	}
-
-	pushRenderTypeMask();
-	andRenderTypeMask(LLPipeline::RENDER_TYPE_SIMPLE,
-					LLPipeline::RENDER_TYPE_ALPHA,
-                    LLPipeline::RENDER_TYPE_ALPHA_PRE_WATER,
-                    LLPipeline::RENDER_TYPE_ALPHA_POST_WATER,
-					LLPipeline::RENDER_TYPE_GRASS,
-                    LLPipeline::RENDER_TYPE_GLTF_PBR,
-					LLPipeline::RENDER_TYPE_FULLBRIGHT,
-					LLPipeline::RENDER_TYPE_BUMP,
-					LLPipeline::RENDER_TYPE_VOLUME,
-					LLPipeline::RENDER_TYPE_AVATAR,
-					LLPipeline::RENDER_TYPE_CONTROL_AV,
-					LLPipeline::RENDER_TYPE_TREE, 
-					LLPipeline::RENDER_TYPE_TERRAIN,
-					LLPipeline::RENDER_TYPE_WATER,
-					LLPipeline::RENDER_TYPE_VOIDWATER,
-					LLPipeline::RENDER_TYPE_PASS_ALPHA,
-					LLPipeline::RENDER_TYPE_PASS_ALPHA_MASK,
-					LLPipeline::RENDER_TYPE_PASS_FULLBRIGHT_ALPHA_MASK,
-					LLPipeline::RENDER_TYPE_PASS_GRASS,
-					LLPipeline::RENDER_TYPE_PASS_SIMPLE,
-					LLPipeline::RENDER_TYPE_PASS_BUMP,
-					LLPipeline::RENDER_TYPE_PASS_FULLBRIGHT,
-					LLPipeline::RENDER_TYPE_PASS_SHINY,
-					LLPipeline::RENDER_TYPE_PASS_FULLBRIGHT_SHINY,
-					LLPipeline::RENDER_TYPE_PASS_MATERIAL,
-					LLPipeline::RENDER_TYPE_PASS_MATERIAL_ALPHA,
-					LLPipeline::RENDER_TYPE_PASS_MATERIAL_ALPHA_MASK,
-					LLPipeline::RENDER_TYPE_PASS_MATERIAL_ALPHA_EMISSIVE,
-					LLPipeline::RENDER_TYPE_PASS_SPECMAP,
-					LLPipeline::RENDER_TYPE_PASS_SPECMAP_BLEND,
-					LLPipeline::RENDER_TYPE_PASS_SPECMAP_MASK,
-					LLPipeline::RENDER_TYPE_PASS_SPECMAP_EMISSIVE,
-					LLPipeline::RENDER_TYPE_PASS_NORMMAP,
-					LLPipeline::RENDER_TYPE_PASS_NORMMAP_BLEND,
-					LLPipeline::RENDER_TYPE_PASS_NORMMAP_MASK,
-					LLPipeline::RENDER_TYPE_PASS_NORMMAP_EMISSIVE,
-					LLPipeline::RENDER_TYPE_PASS_NORMSPEC,
-					LLPipeline::RENDER_TYPE_PASS_NORMSPEC_BLEND,
-					LLPipeline::RENDER_TYPE_PASS_NORMSPEC_MASK,
-					LLPipeline::RENDER_TYPE_PASS_NORMSPEC_EMISSIVE,
-                    LLPipeline::RENDER_TYPE_PASS_ALPHA_MASK_RIGGED,
-                    LLPipeline::RENDER_TYPE_PASS_FULLBRIGHT_ALPHA_MASK_RIGGED,
-                    LLPipeline::RENDER_TYPE_PASS_SIMPLE_RIGGED,
-                    LLPipeline::RENDER_TYPE_PASS_BUMP_RIGGED,
-                    LLPipeline::RENDER_TYPE_PASS_FULLBRIGHT_RIGGED,
-                    LLPipeline::RENDER_TYPE_PASS_SHINY_RIGGED,
-                    LLPipeline::RENDER_TYPE_PASS_FULLBRIGHT_SHINY_RIGGED,
-                    LLPipeline::RENDER_TYPE_PASS_MATERIAL_RIGGED,
-                    LLPipeline::RENDER_TYPE_PASS_MATERIAL_ALPHA_RIGGED,
-                    LLPipeline::RENDER_TYPE_PASS_MATERIAL_ALPHA_MASK_RIGGED,
-                    LLPipeline::RENDER_TYPE_PASS_MATERIAL_ALPHA_EMISSIVE_RIGGED,
-                    LLPipeline::RENDER_TYPE_PASS_SPECMAP_RIGGED,
-                    LLPipeline::RENDER_TYPE_PASS_SPECMAP_BLEND_RIGGED,
-                    LLPipeline::RENDER_TYPE_PASS_SPECMAP_MASK_RIGGED,
-                    LLPipeline::RENDER_TYPE_PASS_SPECMAP_EMISSIVE_RIGGED,
-                    LLPipeline::RENDER_TYPE_PASS_NORMMAP_RIGGED,
-                    LLPipeline::RENDER_TYPE_PASS_NORMMAP_BLEND_RIGGED,
-                    LLPipeline::RENDER_TYPE_PASS_NORMMAP_MASK_RIGGED,
-                    LLPipeline::RENDER_TYPE_PASS_NORMMAP_EMISSIVE_RIGGED,
-                    LLPipeline::RENDER_TYPE_PASS_NORMSPEC_RIGGED,
-                    LLPipeline::RENDER_TYPE_PASS_NORMSPEC_BLEND_RIGGED,
-                    LLPipeline::RENDER_TYPE_PASS_NORMSPEC_MASK_RIGGED,
-                    LLPipeline::RENDER_TYPE_PASS_NORMSPEC_EMISSIVE_RIGGED,
-                    LLPipeline::RENDER_TYPE_PASS_GLTF_PBR,
-                    LLPipeline::RENDER_TYPE_PASS_GLTF_PBR_RIGGED,
-                    LLPipeline::RENDER_TYPE_PASS_GLTF_PBR_ALPHA_MASK,
-                    LLPipeline::RENDER_TYPE_PASS_GLTF_PBR_ALPHA_MASK_RIGGED,
-					END_RENDER_TYPES);
-
-	gGL.setColorMask(false, false);
-
-    LLEnvironment& environment = LLEnvironment::instance();
-
-	//get sun view matrix
-	
-	//store current projection/modelview matrix
-	glh::matrix4f saved_proj = get_current_projection();
-	glh::matrix4f saved_view = get_current_modelview();
-	glh::matrix4f inv_view = saved_view.inverse();
-
-	glh::matrix4f view[6];
-	glh::matrix4f proj[6];
-	
-    LLVector3 caster_dir(environment.getIsSunUp() ? mSunDir : mMoonDir);
-
-	//put together a universal "near clip" plane for shadow frusta
-	LLPlane shadow_near_clip;
-	{
-        LLVector3 p = camera.getOrigin(); // gAgent.getPositionAgent();
-		p += caster_dir * RenderFarClip*2.f;
-		shadow_near_clip.setVec(p, caster_dir);
-	}
-
-	LLVector3 lightDir = -caster_dir;
-	lightDir.normVec();
-
-	glh::vec3f light_dir(lightDir.mV);
-
-	//create light space camera matrix
-	
-	LLVector3 at = lightDir;
-
-	LLVector3 up = camera.getAtAxis();
-
-	if (fabsf(up*lightDir) > 0.75f)
-	{
-		up = camera.getUpAxis();
-	}
-
-	up.normVec();
-	at.normVec();
-	
-	
-	LLCamera main_camera = camera;
-	
-	F32 near_clip = 0.f;
-	{
-		//get visible point cloud
-		std::vector<LLVector3> fp;
-
-		main_camera.calcAgentFrustumPlanes(main_camera.mAgentFrustum);
-		
-		LLVector3 min,max;
-		getVisiblePointCloud(main_camera,min,max,fp);
-
-		if (fp.empty())
-		{
-			if (!hasRenderDebugMask(RENDER_DEBUG_SHADOW_FRUSTA) && !gCubeSnapshot)
-			{
-				mShadowCamera[0] = main_camera;
-				mShadowExtents[0][0] = min;
-				mShadowExtents[0][1] = max;
-
-				mShadowFrustPoints[0].clear();
-				mShadowFrustPoints[1].clear();
-				mShadowFrustPoints[2].clear();
-				mShadowFrustPoints[3].clear();
-			}
-			popRenderTypeMask();
-
-			if (!skip_avatar_update)
-			{
-				gAgentAvatarp->updateAttachmentVisibility(gAgentCamera.getCameraMode());
-			}
-
-			return;
-		}
-
-		//get good split distances for frustum
-		for (U32 i = 0; i < fp.size(); ++i)
-		{
-			glh::vec3f v(fp[i].mV);
-			saved_view.mult_matrix_vec(v);
-			fp[i].setVec(v.v);
-		}
-
-		min = fp[0];
-		max = fp[0];
-
-		//get camera space bounding box
-		for (U32 i = 1; i < fp.size(); ++i)
-		{
-			update_min_max(min, max, fp[i]);
-		}
-
-		near_clip    = llclamp(-max.mV[2], 0.01f, 4.0f);
-		F32 far_clip = llclamp(-min.mV[2]*2.f, 16.0f, 512.0f);
-
-		//far_clip = llmin(far_clip, 128.f);
-		far_clip = llmin(far_clip, camera.getFar());
-
-		F32 range = far_clip-near_clip;
-
-		LLVector3 split_exp = RenderShadowSplitExponent;
-
-		F32 da = 1.f-llmax( fabsf(lightDir*up), fabsf(lightDir*camera.getLeftAxis()) );
-		
-		da = powf(da, split_exp.mV[2]);
-
-		F32 sxp = split_exp.mV[1] + (split_exp.mV[0]-split_exp.mV[1])*da;
-		
-		for (U32 i = 0; i < 4; ++i)
-		{
-			F32 x = (F32)(i+1)/4.f;
-			x = powf(x, sxp);
-			mSunClipPlanes.mV[i] = near_clip+range*x;
-		}
-
-		mSunClipPlanes.mV[0] *= 1.25f; //bump back first split for transition padding
-	}
-
-    if (gCubeSnapshot)
-    { // stretch clip planes for reflection probe renders to reduce number of shadow passes
-        mSunClipPlanes.mV[1] = mSunClipPlanes.mV[2];
-        mSunClipPlanes.mV[2] = mSunClipPlanes.mV[3];
-        mSunClipPlanes.mV[3] *= 1.5f;
-    }
-
-
-	// convenience array of 4 near clip plane distances
-	F32 dist[] = { near_clip, mSunClipPlanes.mV[0], mSunClipPlanes.mV[1], mSunClipPlanes.mV[2], mSunClipPlanes.mV[3] };
-	
-	if (mSunDiffuse == LLColor4::black)
-	{ //sun diffuse is totally black shadows don't matter
-        skipRenderingShadows();
-	}
-	else
-	{
-        for (S32 j = 0; j < (gCubeSnapshot ? 2 : 4); j++)
-		{
-			if (!hasRenderDebugMask(RENDER_DEBUG_SHADOW_FRUSTA) && !gCubeSnapshot)
-			{
-				mShadowFrustPoints[j].clear();
-			}
-
-			LLViewerCamera::sCurCameraID = (LLViewerCamera::eCameraID)(LLViewerCamera::CAMERA_SUN_SHADOW0+j);
-
-			//restore render matrices
-			set_current_modelview(saved_view);
-			set_current_projection(saved_proj);
-
-			LLVector3 eye = camera.getOrigin();
-            llassert(eye.isFinite());
-
-			//camera used for shadow cull/render
-			LLCamera shadow_cam;
-		
-			//create world space camera frustum for this split
-			shadow_cam = camera;
-			shadow_cam.setFar(16.f);
-	
-			LLViewerCamera::updateFrustumPlanes(shadow_cam, false, false, true);
-
-			LLVector3* frust = shadow_cam.mAgentFrustum;
-
-			LLVector3 pn = shadow_cam.getAtAxis();
-		
-			LLVector3 min, max;
-
-			//construct 8 corners of split frustum section
-			for (U32 i = 0; i < 4; i++)
-			{
-				LLVector3 delta = frust[i+4]-eye;
-				delta += (frust[i+4]-frust[(i+2)%4+4])*0.05f;
-				delta.normVec();
-				F32 dp = delta*pn;
-				frust[i] = eye + (delta*dist[j]*0.75f)/dp;
-				frust[i+4] = eye + (delta*dist[j+1]*1.25f)/dp;
-			}
-						
-			shadow_cam.calcAgentFrustumPlanes(frust);
-			shadow_cam.mFrustumCornerDist = 0.f;
-		
-			if (!gPipeline.hasRenderDebugMask(LLPipeline::RENDER_DEBUG_SHADOW_FRUSTA) && !gCubeSnapshot)
-			{
-				mShadowCamera[j] = shadow_cam;
-			}
-
-			std::vector<LLVector3> fp;
-
-			if (!gPipeline.getVisiblePointCloud(shadow_cam, min, max, fp, lightDir)
-                || j > RenderShadowSplits)
-			{
-				//no possible shadow receivers
-                if (!gPipeline.hasRenderDebugMask(LLPipeline::RENDER_DEBUG_SHADOW_FRUSTA) && !gCubeSnapshot)
-				{
-					mShadowExtents[j][0] = LLVector3();
-					mShadowExtents[j][1] = LLVector3();
-					mShadowCamera[j+4] = shadow_cam;
-				}
-
-				mRT->shadow[j].bindTarget();
-				{
-					LLGLDepthTest depth(GL_TRUE);
-					mRT->shadow[j].clear();
-				}
-				mRT->shadow[j].flush();
-
-				mShadowError.mV[j] = 0.f;
-				mShadowFOV.mV[j] = 0.f;
-
-				continue;
-			}
-
-			if (!gPipeline.hasRenderDebugMask(LLPipeline::RENDER_DEBUG_SHADOW_FRUSTA) && !gCubeSnapshot)
-			{
-				mShadowExtents[j][0] = min;
-				mShadowExtents[j][1] = max;
-				mShadowFrustPoints[j] = fp;
-			}
-				
-
-			//find a good origin for shadow projection
-			LLVector3 origin;
-
-			//get a temporary view projection
-			view[j] = look(camera.getOrigin(), lightDir, -up);
-
-			std::vector<LLVector3> wpf;
-
-			for (U32 i = 0; i < fp.size(); i++)
-			{
-				glh::vec3f p = glh::vec3f(fp[i].mV);
-				view[j].mult_matrix_vec(p);
-				wpf.push_back(LLVector3(p.v));
-			}
-
-			min = wpf[0];
-			max = wpf[0];
-
-			for (U32 i = 0; i < fp.size(); ++i)
-			{ //get AABB in camera space
-				update_min_max(min, max, wpf[i]);
-			}
-
-			// Construct a perspective transform with perspective along y-axis that contains
-			// points in wpf
-			//Known:
-			// - far clip plane
-			// - near clip plane
-			// - points in frustum
-			//Find:
-			// - origin
-
-			//get some "interesting" points of reference
-			LLVector3 center = (min+max)*0.5f;
-			LLVector3 size = (max-min)*0.5f;
-			LLVector3 near_center = center;
-			near_center.mV[1] += size.mV[1]*2.f;
-		
-		
-			//put all points in wpf in quadrant 0, reletive to center of min/max
-			//get the best fit line using least squares
-			F32 bfm = 0.f;
-			F32 bfb = 0.f;
-
-			for (U32 i = 0; i < wpf.size(); ++i)
-			{
-				wpf[i] -= center;
-				wpf[i].mV[0] = fabsf(wpf[i].mV[0]);
-				wpf[i].mV[2] = fabsf(wpf[i].mV[2]);
-			}
-
-			if (!wpf.empty())
-			{ 
-				F32 sx = 0.f;
-				F32 sx2 = 0.f;
-				F32 sy = 0.f;
-				F32 sxy = 0.f;
-			
-				for (U32 i = 0; i < wpf.size(); ++i)
-				{		
-					sx += wpf[i].mV[0];
-					sx2 += wpf[i].mV[0]*wpf[i].mV[0];
-					sy += wpf[i].mV[1];
-					sxy += wpf[i].mV[0]*wpf[i].mV[1]; 
-				}
-
-				bfm = (sy*sx-wpf.size()*sxy)/(sx*sx-wpf.size()*sx2);
-				bfb = (sx*sxy-sy*sx2)/(sx*sx-bfm*sx2);
-			}
-		
-			{
-				// best fit line is y=bfm*x+bfb
-		
-				//find point that is furthest to the right of line
-				F32 off_x = -1.f;
-				LLVector3 lp;
-
-				for (U32 i = 0; i < wpf.size(); ++i)
-				{
-					//y = bfm*x+bfb
-					//x = (y-bfb)/bfm
-					F32 lx = (wpf[i].mV[1]-bfb)/bfm;
-
-					lx = wpf[i].mV[0]-lx;
-				
-					if (off_x < lx)
-					{
-						off_x = lx;
-						lp = wpf[i];
-					}
-				}
-
-				//get line with slope bfm through lp
-				// bfb = y-bfm*x
-				bfb = lp.mV[1]-bfm*lp.mV[0];
-
-				//calculate error
-				mShadowError.mV[j] = 0.f;
-
-				for (U32 i = 0; i < wpf.size(); ++i)
-				{
-					F32 lx = (wpf[i].mV[1]-bfb)/bfm;
-					mShadowError.mV[j] += fabsf(wpf[i].mV[0]-lx);
-				}
-
-				mShadowError.mV[j] /= wpf.size();
-				mShadowError.mV[j] /= size.mV[0];
-
-				if (mShadowError.mV[j] > RenderShadowErrorCutoff)
-				{ //just use ortho projection
-					mShadowFOV.mV[j] = -1.f;
-					origin.clearVec();
-					proj[j] = gl_ortho(min.mV[0], max.mV[0],
-										min.mV[1], max.mV[1],
-										-max.mV[2], -min.mV[2]);
-				}
-				else
-				{
-					//origin is where line x = 0;
-					origin.setVec(0,bfb,0);
-
-					F32 fovz = 1.f;
-					F32 fovx = 1.f;
-				
-					LLVector3 zp;
-					LLVector3 xp;
-
-					for (U32 i = 0; i < wpf.size(); ++i)
-					{
-						LLVector3 atz = wpf[i]-origin;
-						atz.mV[0] = 0.f;
-						atz.normVec();
-						if (fovz > -atz.mV[1])
-						{
-							zp = wpf[i];
-							fovz = -atz.mV[1];
-						}
-					
-						LLVector3 atx = wpf[i]-origin;
-						atx.mV[2] = 0.f;
-						atx.normVec();
-						if (fovx > -atx.mV[1])
-						{
-							fovx = -atx.mV[1];
-							xp = wpf[i];
-						}
-					}
-
-					fovx = acos(fovx);
-					fovz = acos(fovz);
-
-					F32 cutoff = llmin((F32) RenderShadowFOVCutoff, 1.4f);
-				
-					mShadowFOV.mV[j] = fovx;
-				
-					if (fovx < cutoff && fovz > cutoff)
-					{
-						//x is a good fit, but z is too big, move away from zp enough so that fovz matches cutoff
-						F32 d = zp.mV[2]/tan(cutoff);
-						F32 ny = zp.mV[1] + fabsf(d);
-
-						origin.mV[1] = ny;
-
-						fovz = 1.f;
-						fovx = 1.f;
-
-						for (U32 i = 0; i < wpf.size(); ++i)
-						{
-							LLVector3 atz = wpf[i]-origin;
-							atz.mV[0] = 0.f;
-							atz.normVec();
-							fovz = llmin(fovz, -atz.mV[1]);
-
-							LLVector3 atx = wpf[i]-origin;
-							atx.mV[2] = 0.f;
-							atx.normVec();
-							fovx = llmin(fovx, -atx.mV[1]);
-						}
-
-						fovx = acos(fovx);
-						fovz = acos(fovz);
-
-						mShadowFOV.mV[j] = cutoff;
-					}
-
-				
-					origin += center;
-			
-					F32 ynear = -(max.mV[1]-origin.mV[1]);
-					F32 yfar = -(min.mV[1]-origin.mV[1]);
-				
-					if (ynear < 0.1f) //keep a sensible near clip plane
-					{
-						F32 diff = 0.1f-ynear;
-						origin.mV[1] += diff;
-						ynear += diff;
-						yfar += diff;
-					}
-								
-					if (fovx > cutoff)
-					{ //just use ortho projection
-						origin.clearVec();
-						mShadowError.mV[j] = -1.f;
-						proj[j] = gl_ortho(min.mV[0], max.mV[0],
-								min.mV[1], max.mV[1],
-								-max.mV[2], -min.mV[2]);
-					}
-					else
-					{
-						//get perspective projection
-						view[j] = view[j].inverse();
-                        //llassert(origin.isFinite());
-
-						glh::vec3f origin_agent(origin.mV);
-					
-						//translate view to origin
-						view[j].mult_matrix_vec(origin_agent);
-
-						eye = LLVector3(origin_agent.v);
-                        //llassert(eye.isFinite());
-						if (!hasRenderDebugMask(LLPipeline::RENDER_DEBUG_SHADOW_FRUSTA) && !gCubeSnapshot)
-						{
-							mShadowFrustOrigin[j] = eye;
-						}
-				
-						view[j] = look(LLVector3(origin_agent.v), lightDir, -up);
-
-						F32 fx = 1.f/tanf(fovx);
-						F32 fz = 1.f/tanf(fovz);
-
-						proj[j] = glh::matrix4f(-fx, 0, 0, 0,
-												0, (yfar+ynear)/(ynear-yfar), 0, (2.f*yfar*ynear)/(ynear-yfar),
-												0, 0, -fz, 0,
-												0, -1.f, 0, 0);
-					}
-				}
-			}
-
-			//shadow_cam.setFar(128.f);
-			shadow_cam.setOriginAndLookAt(eye, up, center);
-
-			shadow_cam.setOrigin(0,0,0);
-
-			set_current_modelview(view[j]);
-			set_current_projection(proj[j]);
-
-			LLViewerCamera::updateFrustumPlanes(shadow_cam, false, false, true);
-
-			//shadow_cam.ignoreAgentFrustumPlane(LLCamera::AGENT_PLANE_NEAR);
-			shadow_cam.getAgentPlane(LLCamera::AGENT_PLANE_NEAR).set(shadow_near_clip);
-
-			//translate and scale to from [-1, 1] to [0, 1]
-			glh::matrix4f trans(0.5f, 0.f, 0.f, 0.5f,
-							0.f, 0.5f, 0.f, 0.5f,
-							0.f, 0.f, 0.5f, 0.5f,
-							0.f, 0.f, 0.f, 1.f);
-
-			set_current_modelview(view[j]);
-			set_current_projection(proj[j]);
-
-			for (U32 i = 0; i < 16; i++)
-			{
-				gGLLastModelView[i] = mShadowModelview[j].m[i];
-				gGLLastProjection[i] = mShadowProjection[j].m[i];
-			}
-
-			mShadowModelview[j] = view[j];
-			mShadowProjection[j] = proj[j];
-			mSunShadowMatrix[j] = trans*proj[j]*view[j]*inv_view;
-		
-			stop_glerror();
-
-			mRT->shadow[j].bindTarget();
-			mRT->shadow[j].getViewport(gGLViewport);
-			mRT->shadow[j].clear();
-		
-			{
-				static LLCullResult result[4];
-				renderShadow(view[j], proj[j], shadow_cam, result[j], true);
-			}
-
-			mRT->shadow[j].flush();
- 
-			if (!gPipeline.hasRenderDebugMask(LLPipeline::RENDER_DEBUG_SHADOW_FRUSTA) && !gCubeSnapshot)
-			{
-				mShadowCamera[j+4] = shadow_cam;
-			}
-		}
-	}
-
-	//hack to disable projector shadows 
-	bool gen_shadow = RenderShadowDetail > 1;
-
-	if (gen_shadow)
-	{
-        if (!gCubeSnapshot) //skip updating spot shadow maps during cubemap updates
-        {
-            LLTrace::CountStatHandle<>* velocity_stat = LLViewerCamera::getVelocityStat();
-            F32 fade_amt = gFrameIntervalSeconds.value()
-                * llmax(LLTrace::get_frame_recording().getLastRecording().getSum(*velocity_stat) / LLTrace::get_frame_recording().getLastRecording().getDuration().value(), 1.0);
-
-            // should never happen
-            llassert(mTargetShadowSpotLight[0] != mTargetShadowSpotLight[1] || mTargetShadowSpotLight[0].isNull());
-
-            //update shadow targets
-            for (U32 i = 0; i < 2; i++)
-            { //for each current shadow
-                LLViewerCamera::sCurCameraID = (LLViewerCamera::eCameraID)(LLViewerCamera::CAMERA_SPOT_SHADOW0 + i);
-
-                if (mShadowSpotLight[i].notNull() &&
-                    (mShadowSpotLight[i] == mTargetShadowSpotLight[0] ||
-                        mShadowSpotLight[i] == mTargetShadowSpotLight[1]))
-                { //keep this spotlight
-                    mSpotLightFade[i] = llmin(mSpotLightFade[i] + fade_amt, 1.f);
-                }
-                else
-                { //fade out this light
-                    mSpotLightFade[i] = llmax(mSpotLightFade[i] - fade_amt, 0.f);
-
-                    if (mSpotLightFade[i] == 0.f || mShadowSpotLight[i].isNull())
-                    { //faded out, grab one of the pending spots (whichever one isn't already taken)
-                        if (mTargetShadowSpotLight[0] != mShadowSpotLight[(i + 1) % 2])
-                        {
-                            mShadowSpotLight[i] = mTargetShadowSpotLight[0];
-                        }
-                        else
-                        {
-                            mShadowSpotLight[i] = mTargetShadowSpotLight[1];
-                        }
-                    }
-                }
-            }
-        }
-
-        // this should never happen
-        llassert(mShadowSpotLight[0] != mShadowSpotLight[1] || mShadowSpotLight[0].isNull());
-
-        for (S32 i = 0; i < 2; i++)
-        {
-            set_current_modelview(saved_view);
-            set_current_projection(saved_proj);
-
-            if (mShadowSpotLight[i].isNull())
-            {
-                continue;
-            }
-
-            LLVOVolume* volume = mShadowSpotLight[i]->getVOVolume();
-
-            if (!volume)
-            {
-                mShadowSpotLight[i] = NULL;
-                continue;
-            }
-
-            LLDrawable* drawable = mShadowSpotLight[i];
-
-            LLVector3 params = volume->getSpotLightParams();
-            F32 fov = params.mV[0];
-
-            //get agent->light space matrix (modelview)
-            LLVector3 center = drawable->getPositionAgent();
-            LLQuaternion quat = volume->getRenderRotation();
-
-            //get near clip plane
-            LLVector3 scale = volume->getScale();
-            LLVector3 at_axis(0, 0, -scale.mV[2] * 0.5f);
-            at_axis *= quat;
-
-            LLVector3 np = center + at_axis;
-            at_axis.normVec();
-
-            //get origin that has given fov for plane np, at_axis, and given scale
-            F32 dist = (scale.mV[1] * 0.5f) / tanf(fov * 0.5f);
-
-            LLVector3 origin = np - at_axis * dist;
-
-            LLMatrix4 mat(quat, LLVector4(origin, 1.f));
-
-            view[i + 4] = glh::matrix4f((F32*)mat.mMatrix);
-
-            view[i + 4] = view[i + 4].inverse();
-
-            //get perspective matrix
-            F32 near_clip = dist + 0.01f;
-            F32 width = scale.mV[VX];
-            F32 height = scale.mV[VY];
-            F32 far_clip = dist + volume->getLightRadius() * 1.5f;
-
-            F32 fovy = fov * RAD_TO_DEG;
-            F32 aspect = width / height;
-
-            proj[i + 4] = gl_perspective(fovy, aspect, near_clip, far_clip);
-
-            //translate and scale to from [-1, 1] to [0, 1]
-            glh::matrix4f trans(0.5f, 0.f, 0.f, 0.5f,
-                0.f, 0.5f, 0.f, 0.5f,
-                0.f, 0.f, 0.5f, 0.5f,
-                0.f, 0.f, 0.f, 1.f);
-
-            set_current_modelview(view[i + 4]);
-            set_current_projection(proj[i + 4]);
-
-            mSunShadowMatrix[i + 4] = trans * proj[i + 4] * view[i + 4] * inv_view;
-
-            for (U32 j = 0; j < 16; j++)
-            {
-                gGLLastModelView[j] = mShadowModelview[i + 4].m[j];
-                gGLLastProjection[j] = mShadowProjection[i + 4].m[j];
-            }
-
-            mShadowModelview[i + 4] = view[i + 4];
-            mShadowProjection[i + 4] = proj[i + 4];
-
-            if (!gCubeSnapshot) //skip updating spot shadow maps during cubemap updates
-            {
-                LLCamera shadow_cam = camera;
-                shadow_cam.setFar(far_clip);
-                shadow_cam.setOrigin(origin);
-
-                LLViewerCamera::updateFrustumPlanes(shadow_cam, false, false, true);
-
-                //
-                
-                mSpotShadow[i].bindTarget();
-                mSpotShadow[i].getViewport(gGLViewport);
-                mSpotShadow[i].clear();
-
-                static LLCullResult result[2];
-
-                LLViewerCamera::sCurCameraID = (LLViewerCamera::eCameraID)(LLViewerCamera::CAMERA_SPOT_SHADOW0 + i);
-
-                RenderSpotLight = drawable;
-
-                renderShadow(view[i + 4], proj[i + 4], shadow_cam, result[i], false);
-
-                RenderSpotLight = nullptr;
-
-                mSpotShadow[i].flush();
-            }
-        }
-	}
-	else
-	{ //no spotlight shadows
-		mShadowSpotLight[0] = mShadowSpotLight[1] = NULL;
-	}
-
-
-	if (!CameraOffset)
-	{
-		set_current_modelview(saved_view);
-		set_current_projection(saved_proj);
-	}
-	else
-	{
-		set_current_modelview(view[1]);
-		set_current_projection(proj[1]);
-		gGL.loadMatrix(view[1].m);
-		gGL.matrixMode(LLRender::MM_PROJECTION);
-		gGL.loadMatrix(proj[1].m);
-		gGL.matrixMode(LLRender::MM_MODELVIEW);
-	}
-	gGL.setColorMask(true, true);
-
-	for (U32 i = 0; i < 16; i++)
-	{
-		gGLLastModelView[i] = last_modelview[i];
-		gGLLastProjection[i] = last_projection[i];
-	}
-
-	popRenderTypeMask();
-
-	if (!skip_avatar_update)
-	{
-		gAgentAvatarp->updateAttachmentVisibility(gAgentCamera.getCameraMode());
-	}
-}
-
-void LLPipeline::renderGroups(LLRenderPass* pass, U32 type, bool texture)
-{
-	for (LLCullResult::sg_iterator i = sCull->beginVisibleGroups(); i != sCull->endVisibleGroups(); ++i)
-	{
-		LLSpatialGroup* group = *i;
-		if (!group->isDead() &&
-			(!sUseOcclusion || !group->isOcclusionState(LLSpatialGroup::OCCLUDED)) &&
-			gPipeline.hasRenderType(group->getSpatialPartition()->mDrawableType) &&
-			group->mDrawMap.find(type) != group->mDrawMap.end())
-		{
-			pass->renderGroup(group,type,texture);
-		}
-	}
-}
-
-void LLPipeline::renderRiggedGroups(LLRenderPass* pass, U32 type, bool texture)
-{
-    for (LLCullResult::sg_iterator i = sCull->beginVisibleGroups(); i != sCull->endVisibleGroups(); ++i)
-    {
-        LLSpatialGroup* group = *i;
-        if (!group->isDead() &&
-            (!sUseOcclusion || !group->isOcclusionState(LLSpatialGroup::OCCLUDED)) &&
-            gPipeline.hasRenderType(group->getSpatialPartition()->mDrawableType) &&
-            group->mDrawMap.find(type) != group->mDrawMap.end())
-        {
-            pass->renderRiggedGroup(group, type, texture);
-        }
-    }
-}
-
-void LLPipeline::profileAvatar(LLVOAvatar* avatar, bool profile_attachments)
-{
-    if (gGLManager.mGLVersion < 3.25f)
-    { // profiling requires GL 3.3 or later
-        return;
-    }
-
-    LL_PROFILE_ZONE_SCOPED_CATEGORY_PIPELINE;
-
-    // don't continue to profile an avatar that is known to be too slow
-    llassert(!avatar->isTooSlow());
-
-    LLGLSLShader* cur_shader = LLGLSLShader::sCurBoundShaderPtr;
-
-    mRT->deferredScreen.bindTarget();
-    mRT->deferredScreen.clear();
-
-    if (!profile_attachments)
-    {
-        // profile entire avatar all at once and readback asynchronously
-        avatar->placeProfileQuery();
-
-        LLTimer cpu_timer;
-
-        generateImpostor(avatar, false, true);
-
-        avatar->mCPURenderTime = (F32)cpu_timer.getElapsedTimeF32() * 1000.f;
-
-        avatar->readProfileQuery(5); // allow up to 5 frames of latency
-    }
-    else 
-    { 
-        // profile attachments one at a time
-        LLVOAvatar::attachment_map_t::iterator iter;
-        LLVOAvatar::attachment_map_t::iterator begin = avatar->mAttachmentPoints.begin();
-        LLVOAvatar::attachment_map_t::iterator end = avatar->mAttachmentPoints.end();
-
-        for (iter = begin;
-            iter != end;
-            ++iter)
-        {
-            LLViewerJointAttachment* attachment = iter->second;
-            for (LLViewerJointAttachment::attachedobjs_vec_t::iterator attachment_iter = attachment->mAttachedObjects.begin();
-                attachment_iter != attachment->mAttachedObjects.end();
-                ++attachment_iter)
-            {
-                LLViewerObject* attached_object = attachment_iter->get();
-                if (attached_object)
-                {
-                    // use gDebugProgram to do the GPU queries
-                    gDebugProgram.clearStats();
-                    gDebugProgram.placeProfileQuery(true);
-
-                    generateImpostor(avatar, false, true, attached_object);
-                    gDebugProgram.readProfileQuery(true, true);
-
-                    attached_object->mGPURenderTime = gDebugProgram.mTimeElapsed / 1000000.f;
-                }
-            }
-        }
-    }
-
-    mRT->deferredScreen.flush();
-
-    if (cur_shader)
-    {
-        cur_shader->bind();
-    }
-}
-
-void LLPipeline::generateImpostor(LLVOAvatar* avatar, bool preview_avatar, bool for_profile, LLViewerObject* specific_attachment)
-{
-    LL_PROFILE_ZONE_SCOPED_CATEGORY_PIPELINE;
-    LL_PROFILE_GPU_ZONE("generateImpostor");
-	LLGLState::checkStates();
-
-	static LLCullResult result;
-	result.clear();
-	grabReferences(result);
-	
-	if (!avatar || !avatar->mDrawable)
-	{
-        LL_WARNS_ONCE("AvatarRenderPipeline") << "Avatar is " << (avatar ? "not drawable" : "null") << LL_ENDL;
-		return;
-	}
-    LL_DEBUGS_ONCE("AvatarRenderPipeline") << "Avatar " << avatar->getID() << " is drawable" << LL_ENDL;
-
-	assertInitialized();
-
-    // previews can't be muted or impostered
-	bool visually_muted = !for_profile && !preview_avatar && avatar->isVisuallyMuted();
-    LL_DEBUGS_ONCE("AvatarRenderPipeline") << "Avatar " << avatar->getID()
-                              << " is " << ( visually_muted ? "" : "not ") << "visually muted"
-                              << LL_ENDL;
-	bool too_complex = !for_profile && !preview_avatar && avatar->isTooComplex();
-    LL_DEBUGS_ONCE("AvatarRenderPipeline") << "Avatar " << avatar->getID()
-                              << " is " << ( too_complex ? "" : "not ") << "too complex"
-                              << LL_ENDL;
-
-    pushRenderTypeMask();
-
-    if (visually_muted || too_complex)
-    {
-        // only show jelly doll geometry
-		andRenderTypeMask(LLPipeline::RENDER_TYPE_AVATAR,
-							LLPipeline::RENDER_TYPE_CONTROL_AV,
-							END_RENDER_TYPES);
-	}
-	else
-	{
-        //hide world geometry
-        clearRenderTypeMask(
-            RENDER_TYPE_SKY,
-            RENDER_TYPE_WL_SKY,
-            RENDER_TYPE_TERRAIN,
-            RENDER_TYPE_GRASS,
-            RENDER_TYPE_CONTROL_AV, // Animesh
-            RENDER_TYPE_TREE,
-            RENDER_TYPE_VOIDWATER,
-            RENDER_TYPE_WATER,
-            RENDER_TYPE_ALPHA_PRE_WATER,
-            RENDER_TYPE_PASS_GRASS,
-            RENDER_TYPE_HUD,
-            RENDER_TYPE_PARTICLES,
-            RENDER_TYPE_CLOUDS,
-            RENDER_TYPE_HUD_PARTICLES,
-            END_RENDER_TYPES
-         );
-	}
-	
-    if (specific_attachment && specific_attachment->isHUDAttachment())
-    { //enable HUD rendering
-        setRenderTypeMask(RENDER_TYPE_HUD, END_RENDER_TYPES);
-    }
-
-	S32 occlusion = sUseOcclusion;
-	sUseOcclusion = 0;
-
-	sReflectionRender = ! sRenderDeferred;
-
-	sShadowRender = true;
-	sImpostorRender = true;
-
-	LLViewerCamera* viewer_camera = LLViewerCamera::getInstance();
-
-	{
-		markVisible(avatar->mDrawable, *viewer_camera);
-
-        if (preview_avatar)
-        {
-            // Only show rigged attachments for preview
-            // For the sake of performance and so that static
-            // objects won't obstruct previewing changes
-            LLVOAvatar::attachment_map_t::iterator iter;
-            for (iter = avatar->mAttachmentPoints.begin();
-                iter != avatar->mAttachmentPoints.end();
-                ++iter)
-            {
-                LLViewerJointAttachment *attachment = iter->second;
-                for (LLViewerJointAttachment::attachedobjs_vec_t::iterator attachment_iter = attachment->mAttachedObjects.begin();
-                    attachment_iter != attachment->mAttachedObjects.end();
-                    ++attachment_iter)
-                {
-                    LLViewerObject* attached_object = attachment_iter->get();
-                    if (attached_object)
-                    {
-                        if (attached_object->isRiggedMesh())
-                        {
-                            markVisible(attached_object->mDrawable->getSpatialBridge(), *viewer_camera);
-                        }
-                        else
-                        {
-                            // sometimes object is a linkset and rigged mesh is a child
-                            LLViewerObject::const_child_list_t& child_list = attached_object->getChildren();
-                            for (LLViewerObject::child_list_t::const_iterator iter = child_list.begin();
-                                iter != child_list.end(); iter++)
-                            {
-                                LLViewerObject* child = *iter;
-                                if (child->isRiggedMesh())
-                                {
-                                    markVisible(attached_object->mDrawable->getSpatialBridge(), *viewer_camera);
-                                    break;
-                                }
-                            }
-                        }
-                    }
-                }
-            }
-        }
-        else
-        {
-            if (specific_attachment)
-            {
-                markVisible(specific_attachment->mDrawable->getSpatialBridge(), *viewer_camera);
-            }
-            else
-            {
-                LLVOAvatar::attachment_map_t::iterator iter;
-                LLVOAvatar::attachment_map_t::iterator begin = avatar->mAttachmentPoints.begin();
-                LLVOAvatar::attachment_map_t::iterator end = avatar->mAttachmentPoints.end();
-
-                for (iter = begin;
-                    iter != end;
-                    ++iter)
-                {
-                    LLViewerJointAttachment* attachment = iter->second;
-                    for (LLViewerJointAttachment::attachedobjs_vec_t::iterator attachment_iter = attachment->mAttachedObjects.begin();
-                        attachment_iter != attachment->mAttachedObjects.end();
-                        ++attachment_iter)
-                    {
-                        LLViewerObject* attached_object = attachment_iter->get();
-                        if (attached_object)
-                        {
-                            markVisible(attached_object->mDrawable->getSpatialBridge(), *viewer_camera);
-                        }
-                    }
-                }
-            }
-        }
-	}
-
-	stateSort(*LLViewerCamera::getInstance(), result);
-	
-	LLCamera camera = *viewer_camera;
-	LLVector2 tdim;
-	U32 resY = 0;
-	U32 resX = 0;
-
-    if (!preview_avatar)
-	{
-		const LLVector4a* ext = avatar->mDrawable->getSpatialExtents();
-		LLVector3 pos(avatar->getRenderPosition()+avatar->getImpostorOffset());
-
-		camera.lookAt(viewer_camera->getOrigin(), pos, viewer_camera->getUpAxis());
-	
-		LLVector4a half_height;
-		half_height.setSub(ext[1], ext[0]);
-		half_height.mul(0.5f);
-
-		LLVector4a left;
-		left.load3(camera.getLeftAxis().mV);
-		left.mul(left);
-		llassert(left.dot3(left).getF32() > F_APPROXIMATELY_ZERO);
-		left.normalize3fast();
-
-		LLVector4a up;
-		up.load3(camera.getUpAxis().mV);
-		up.mul(up);
-		llassert(up.dot3(up).getF32() > F_APPROXIMATELY_ZERO);
-		up.normalize3fast();
-
-		tdim.mV[0] = fabsf(half_height.dot3(left).getF32());
-		tdim.mV[1] = fabsf(half_height.dot3(up).getF32());
-
-		gGL.matrixMode(LLRender::MM_PROJECTION);
-		gGL.pushMatrix();
-	
-		F32 distance = (pos-camera.getOrigin()).length();
-		F32 fov = atanf(tdim.mV[1]/distance)*2.f*RAD_TO_DEG;
-		F32 aspect = tdim.mV[0]/tdim.mV[1];
-		glh::matrix4f persp = gl_perspective(fov, aspect, 1.f, 256.f);
-		set_current_projection(persp);
-		gGL.loadMatrix(persp.m);
-
-		gGL.matrixMode(LLRender::MM_MODELVIEW);
-		gGL.pushMatrix();
-		glh::matrix4f mat;
-		camera.getOpenGLTransform(mat.m);
-
-		mat = glh::matrix4f((GLfloat*) OGL_TO_CFR_ROTATION) * mat;
-
-		gGL.loadMatrix(mat.m);
-		set_current_modelview(mat);
-
-		glClearColor(0.0f,0.0f,0.0f,0.0f);
-		gGL.setColorMask(true, true);
-	
-		// get the number of pixels per angle
-		F32 pa = gViewerWindow->getWindowHeightRaw() / (RAD_TO_DEG * viewer_camera->getView());
-
-		//get resolution based on angle width and height of impostor (double desired resolution to prevent aliasing)
-		resY = llmin(nhpo2((U32) (fov*pa)), (U32) 512);
-		resX = llmin(nhpo2((U32) (atanf(tdim.mV[0]/distance)*2.f*RAD_TO_DEG*pa)), (U32) 512);
-
-        if (!for_profile)
-        {
-            if (!avatar->mImpostor.isComplete())
-            {
-                avatar->mImpostor.allocate(resX, resY, GL_RGBA, true);
-
-                if (LLPipeline::sRenderDeferred)
-                {
-                    addDeferredAttachments(avatar->mImpostor, true);
-                }
-
-                gGL.getTexUnit(0)->bind(&avatar->mImpostor);
-                gGL.getTexUnit(0)->setTextureFilteringOption(LLTexUnit::TFO_POINT);
-                gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
-            }
-            else if (resX != avatar->mImpostor.getWidth() || resY != avatar->mImpostor.getHeight())
-            {
-                avatar->mImpostor.resize(resX, resY);
-            }
-
-            avatar->mImpostor.bindTarget();
-        }
-	}
-
-	F32 old_alpha = LLDrawPoolAvatar::sMinimumAlpha;
-
-	if (visually_muted || too_complex)
-	{ //disable alpha masking for muted avatars (get whole skin silhouette)
-		LLDrawPoolAvatar::sMinimumAlpha = 0.f;
-	}
-
-    if (preview_avatar || for_profile)
-    {
-        // previews and profiles don't care about imposters
-        renderGeomDeferred(camera);
-        renderGeomPostDeferred(camera);
-    }
-    else
-	{
-		avatar->mImpostor.clear();
-		renderGeomDeferred(camera);
-
-		renderGeomPostDeferred(camera);		
-
-		// Shameless hack time: render it all again,
-		// this time writing the depth
-		// values we need to generate the alpha mask below
-		// while preserving the alpha-sorted color rendering
-		// from the previous pass
-		//
-		sImpostorRenderAlphaDepthPass = true;
-		// depth-only here...
-		//
-		gGL.setColorMask(false,false);
-		renderGeomPostDeferred(camera);
-
-		sImpostorRenderAlphaDepthPass = false;
-
-	}
-
-	LLDrawPoolAvatar::sMinimumAlpha = old_alpha;
-
-    if (!for_profile)
-	{ //create alpha mask based on depth buffer (grey out if muted)
-		if (LLPipeline::sRenderDeferred)
-		{
-			GLuint buff = GL_COLOR_ATTACHMENT0;
-			glDrawBuffers(1, &buff);
-		}
-
-		LLGLDisable blend(GL_BLEND);
-
-		if (visually_muted || too_complex)
-		{
-			gGL.setColorMask(true, true);
-		}
-		else
-		{
-			gGL.setColorMask(false, true);
-		}
-		
-		gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
-
-		LLGLDepthTest depth(GL_TRUE, GL_FALSE, GL_GREATER);
-
-		gGL.flush();
-
-		gGL.pushMatrix();
-		gGL.loadIdentity();
-		gGL.matrixMode(LLRender::MM_PROJECTION);
-		gGL.pushMatrix();
-		gGL.loadIdentity();
-
-		static const F32 clip_plane = 0.99999f;
-
-		gDebugProgram.bind();
-
-		if (visually_muted)
-		{	// Visually muted avatar
-            LLColor4 muted_color(avatar->getMutedAVColor());
-            LL_DEBUGS_ONCE("AvatarRenderPipeline") << "Avatar " << avatar->getID() << " MUTED set solid color " << muted_color << LL_ENDL;
-			gGL.diffuseColor4fv( muted_color.mV );
-		}
-		else if (!preview_avatar)
-		{ //grey muted avatar
-            LL_DEBUGS_ONCE("AvatarRenderPipeline") << "Avatar " << avatar->getID() << " MUTED set grey" << LL_ENDL;
-			gGL.diffuseColor4fv(LLColor4::pink.mV );
-		}
-
-		gGL.begin(LLRender::QUADS);
-		gGL.vertex3f(-1, -1, clip_plane);
-		gGL.vertex3f(1, -1, clip_plane);
-		gGL.vertex3f(1, 1, clip_plane);
-		gGL.vertex3f(-1, 1, clip_plane);
-		gGL.end();
-		gGL.flush();
-
-		gDebugProgram.unbind();
-
-		gGL.popMatrix();
-		gGL.matrixMode(LLRender::MM_MODELVIEW);
-		gGL.popMatrix();
-	}
-
-    if (!preview_avatar && !for_profile)
-    {
-        avatar->mImpostor.flush();
-        avatar->setImpostorDim(tdim);
-    }
-
-	sUseOcclusion = occlusion;
-	sReflectionRender = false;
-	sImpostorRender = false;
-	sShadowRender = false;
-	popRenderTypeMask();
-
-	gGL.matrixMode(LLRender::MM_PROJECTION);
-	gGL.popMatrix();
-	gGL.matrixMode(LLRender::MM_MODELVIEW);
-	gGL.popMatrix();
-
-    if (!preview_avatar && !for_profile)
-    {
-        avatar->mNeedsImpostorUpdate = false;
-        avatar->cacheImpostorValues();
-        avatar->mLastImpostorUpdateFrameTime = gFrameTimeSeconds;
-    }
-
-	LLVertexBuffer::unbind();
-	LLGLState::checkStates();
-}
-
-bool LLPipeline::hasRenderBatches(const U32 type) const
-{
-	return sCull->getRenderMapSize(type) > 0;
-}
-
-LLCullResult::drawinfo_iterator LLPipeline::beginRenderMap(U32 type)
-{
-	return sCull->beginRenderMap(type);
-}
-
-LLCullResult::drawinfo_iterator LLPipeline::endRenderMap(U32 type)
-{
-	return sCull->endRenderMap(type);
-}
-
-LLCullResult::sg_iterator LLPipeline::beginAlphaGroups()
-{
-	return sCull->beginAlphaGroups();
-}
-
-LLCullResult::sg_iterator LLPipeline::endAlphaGroups()
-{
-	return sCull->endAlphaGroups();
-}
-
-LLCullResult::sg_iterator LLPipeline::beginRiggedAlphaGroups()
-{
-    return sCull->beginRiggedAlphaGroups();
-}
-
-LLCullResult::sg_iterator LLPipeline::endRiggedAlphaGroups()
-{
-    return sCull->endRiggedAlphaGroups();
-}
-
-bool LLPipeline::hasRenderType(const U32 type) const
-{
-    // STORM-365 : LLViewerJointAttachment::setAttachmentVisibility() is setting type to 0 to actually mean "do not render"
-    // We then need to test that value here and return false to prevent attachment to render (in mouselook for instance)
-    // TODO: reintroduce RENDER_TYPE_NONE in LLRenderTypeMask and initialize its mRenderTypeEnabled[RENDER_TYPE_NONE] to false explicitely
-	return (type == 0 ? false : mRenderTypeEnabled[type]);
-}
-
-void LLPipeline::setRenderTypeMask(U32 type, ...)
-{
-	va_list args;
-
-	va_start(args, type);
-	while (type < END_RENDER_TYPES)
-	{
-		mRenderTypeEnabled[type] = true;
-		type = va_arg(args, U32);
-	}
-	va_end(args);
-
-	if (type > END_RENDER_TYPES)
-	{
-		LL_ERRS() << "Invalid render type." << LL_ENDL;
-	}
-}
-
-bool LLPipeline::hasAnyRenderType(U32 type, ...) const
-{
-	va_list args;
-
-	va_start(args, type);
-	while (type < END_RENDER_TYPES)
-	{
-		if (mRenderTypeEnabled[type])
-		{
-			return true;
-		}
-		type = va_arg(args, U32);
-	}
-	va_end(args);
-
-	if (type > END_RENDER_TYPES)
-	{
-		LL_ERRS() << "Invalid render type." << LL_ENDL;
-	}
-
-	return false;
-}
-
-void LLPipeline::pushRenderTypeMask()
-{
-	std::string cur_mask;
-	cur_mask.assign((const char*) mRenderTypeEnabled, sizeof(mRenderTypeEnabled));
-	mRenderTypeEnableStack.push(cur_mask);
-}
-
-void LLPipeline::popRenderTypeMask()
-{
-	if (mRenderTypeEnableStack.empty())
-	{
-		LL_ERRS() << "Depleted render type stack." << LL_ENDL;
-	}
-
-	memcpy(mRenderTypeEnabled, mRenderTypeEnableStack.top().data(), sizeof(mRenderTypeEnabled));
-	mRenderTypeEnableStack.pop();
-}
-
-void LLPipeline::andRenderTypeMask(U32 type, ...)
-{
-	va_list args;
-
-	bool tmp[NUM_RENDER_TYPES];
-	for (U32 i = 0; i < NUM_RENDER_TYPES; ++i)
-	{
-		tmp[i] = false;
-	}
-
-	va_start(args, type);
-	while (type < END_RENDER_TYPES)
-	{
-		if (mRenderTypeEnabled[type]) 
-		{
-			tmp[type] = true;
-		}
-
-		type = va_arg(args, U32);
-	}
-	va_end(args);
-
-	if (type > END_RENDER_TYPES)
-	{
-		LL_ERRS() << "Invalid render type." << LL_ENDL;
-	}
-
-	for (U32 i = 0; i < LLPipeline::NUM_RENDER_TYPES; ++i)
-	{
-		mRenderTypeEnabled[i] = tmp[i];
-	}
-
-}
-
-void LLPipeline::clearRenderTypeMask(U32 type, ...)
-{
-	va_list args;
-
-	va_start(args, type);
-	while (type < END_RENDER_TYPES)
-	{
-		mRenderTypeEnabled[type] = false;
-		
-		type = va_arg(args, U32);
-	}
-	va_end(args);
-
-	if (type > END_RENDER_TYPES)
-	{
-		LL_ERRS() << "Invalid render type." << LL_ENDL;
-	}
-}
-
-void LLPipeline::setAllRenderTypes()
-{
-	for (U32 i = 0; i < NUM_RENDER_TYPES; ++i)
-	{
-		mRenderTypeEnabled[i] = true;
-	}
-}
-
-void LLPipeline::clearAllRenderTypes()
-{
-	for (U32 i = 0; i < NUM_RENDER_TYPES; ++i)
-	{
-		mRenderTypeEnabled[i] = false;
-	}
-}
-
-void LLPipeline::addDebugBlip(const LLVector3& position, const LLColor4& color)
-{
-	DebugBlip blip(position, color);
-	mDebugBlips.push_back(blip);
-}
-
-void LLPipeline::hidePermanentObjects( std::vector<U32>& restoreList )
-{
-	//This method is used to hide any vo's from the object list that may have
-	//the permanent flag set.
-	
-	U32 objCnt = gObjectList.getNumObjects();
-	for (U32 i = 0; i < objCnt; ++i)
-	{
-		LLViewerObject* pObject = gObjectList.getObject(i);
-		if ( pObject && pObject->flagObjectPermanent() )
-		{
-			LLDrawable *pDrawable = pObject->mDrawable;
-		
-			if ( pDrawable )
-			{
-				restoreList.push_back( i );
-				hideDrawable( pDrawable );			
-			}
-		}
-	}
-
-	skipRenderingOfTerrain( true );
-}
-
-void LLPipeline::restorePermanentObjects( const std::vector<U32>& restoreList )
-{
-	//This method is used to restore(unhide) any vo's from the object list that may have
-	//been hidden because their permanency flag was set.
-
-	std::vector<U32>::const_iterator itCurrent	= restoreList.begin();
-	std::vector<U32>::const_iterator itEnd		= restoreList.end();
-	
-	U32 objCnt = gObjectList.getNumObjects();
-
-	while ( itCurrent != itEnd )
-	{
-		U32 index = *itCurrent;
-		LLViewerObject* pObject = NULL;
-		if ( index < objCnt ) 
-		{
-			pObject = gObjectList.getObject( index );
-		}
-		if ( pObject )
-		{
-			LLDrawable *pDrawable = pObject->mDrawable;
-			if ( pDrawable )
-			{
-				pDrawable->clearState( LLDrawable::FORCE_INVISIBLE );
-				unhideDrawable( pDrawable );				
-			}
-		}
-		++itCurrent;
-	}
-	
-	skipRenderingOfTerrain( false );
-}
-
-void LLPipeline::skipRenderingOfTerrain( bool flag )
-{
-	pool_set_t::iterator iter = mPools.begin();
-	while ( iter != mPools.end() )
-	{
-		LLDrawPool* pPool = *iter;		
-		U32 poolType = pPool->getType();					
-		if ( hasRenderType( pPool->getType() ) && poolType == LLDrawPool::POOL_TERRAIN )
-		{
-			pPool->setSkipRenderFlag( flag );			
-		}
-		++iter;
-	}
-}
-
-void LLPipeline::hideObject( const LLUUID& id )
-{
-	LLViewerObject *pVO = gObjectList.findObject( id );
-	
-	if ( pVO )
-	{
-		LLDrawable *pDrawable = pVO->mDrawable;
-		
-		if ( pDrawable )
-		{
-			hideDrawable( pDrawable );		
-		}		
-	}
-}
-
-void LLPipeline::hideDrawable( LLDrawable *pDrawable )
-{
-	pDrawable->setState( LLDrawable::FORCE_INVISIBLE );
-	markRebuild( pDrawable, LLDrawable::REBUILD_ALL);
-	//hide the children
-	LLViewerObject::const_child_list_t& child_list = pDrawable->getVObj()->getChildren();
-	for ( LLViewerObject::child_list_t::const_iterator iter = child_list.begin();
-		  iter != child_list.end(); iter++ )
-	{
-		LLViewerObject* child = *iter;
-		LLDrawable* drawable = child->mDrawable;					
-		if ( drawable )
-		{
-			drawable->setState( LLDrawable::FORCE_INVISIBLE );
-			markRebuild( drawable, LLDrawable::REBUILD_ALL);
-		}
-	}
-}
-void LLPipeline::unhideDrawable( LLDrawable *pDrawable )
-{
-	pDrawable->clearState( LLDrawable::FORCE_INVISIBLE );
-	markRebuild( pDrawable, LLDrawable::REBUILD_ALL);
-	//restore children
-	LLViewerObject::const_child_list_t& child_list = pDrawable->getVObj()->getChildren();
-	for ( LLViewerObject::child_list_t::const_iterator iter = child_list.begin();
-		  iter != child_list.end(); iter++)
-	{
-		LLViewerObject* child = *iter;
-		LLDrawable* drawable = child->mDrawable;					
-		if ( drawable )
-		{
-			drawable->clearState( LLDrawable::FORCE_INVISIBLE );
-			markRebuild( drawable, LLDrawable::REBUILD_ALL);
-		}
-	}
-}
-void LLPipeline::restoreHiddenObject( const LLUUID& id )
-{
-	LLViewerObject *pVO = gObjectList.findObject( id );
-	
-	if ( pVO )
-	{
-		LLDrawable *pDrawable = pVO->mDrawable;
-		if ( pDrawable )
-		{
-			unhideDrawable( pDrawable );			
-		}
-	}
-}
-
-void LLPipeline::skipRenderingShadows()
-{
-    LLGLDepthTest depth(GL_TRUE);
-
-    for (S32 j = 0; j < 4; j++)
-    {
-        mRT->shadow[j].bindTarget();
-        mRT->shadow[j].clear();
-        mRT->shadow[j].flush();
-    }
-}
-
-void LLPipeline::handleShadowDetailChanged()
-{
-    if (RenderShadowDetail > gSavedSettings.getS32("RenderShadowDetail"))
-    {
-        skipRenderingShadows();
-    }
-    else
-    {
-        LLViewerShaderMgr::instance()->setShaders();
-    }
-}
-
-class LLOctreeDirty : public OctreeTraveler
-{
-public:
-    virtual void visit(const OctreeNode* state)
-    {
-        LLSpatialGroup* group = (LLSpatialGroup*)state->getListener(0);
-
-        if (group->getSpatialPartition()->mRenderByGroup)
-        {
-            group->setState(LLSpatialGroup::GEOM_DIRTY);
-            gPipeline.markRebuild(group);
-        }
-
-        for (LLSpatialGroup::bridge_list_t::iterator i = group->mBridgeList.begin(); i != group->mBridgeList.end(); ++i)
-        {
-            LLSpatialBridge* bridge = *i;
-            traverse(bridge->mOctree);
-        }
-    }
-};
-
-
-void LLPipeline::rebuildDrawInfo()
-{
-    for (LLWorld::region_list_t::const_iterator iter = LLWorld::getInstance()->getRegionList().begin();
-        iter != LLWorld::getInstance()->getRegionList().end(); ++iter)
-    {
-        LLViewerRegion* region = *iter;
-
-        LLOctreeDirty dirty;
-
-        LLSpatialPartition* part = region->getSpatialPartition(LLViewerRegion::PARTITION_VOLUME);
-        dirty.traverse(part->mOctree);
-
-        part = region->getSpatialPartition(LLViewerRegion::PARTITION_BRIDGE);
-        dirty.traverse(part->mOctree);
-    }
-}
-
+/**

+ * @file pipeline.cpp

+ * @brief Rendering pipeline.

+ *

+ * $LicenseInfo:firstyear=2005&license=viewerlgpl$

+ * Second Life Viewer Source Code

+ * Copyright (C) 2010, Linden Research, Inc.

+ *

+ * This library is free software; you can redistribute it and/or

+ * modify it under the terms of the GNU Lesser General Public

+ * License as published by the Free Software Foundation;

+ * version 2.1 of the License only.

+ *

+ * This library is distributed in the hope that it will be useful,

+ * but WITHOUT ANY WARRANTY; without even the implied warranty of

+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

+ * Lesser General Public License for more details.

+ *

+ * You should have received a copy of the GNU Lesser General Public

+ * License along with this library; if not, write to the Free Software

+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA

+ *

+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA

+ * $/LicenseInfo$

+ */

+

+#include "llviewerprecompiledheaders.h"

+

+#include "pipeline.h"

+

+// library includes

+#include "llaudioengine.h" // For debugging.

+#include "llerror.h"

+#include "llviewercontrol.h"

+#include "llfasttimer.h"

+#include "llfontgl.h"

+#include "llnamevalue.h"

+#include "llpointer.h"

+#include "llprimitive.h"

+#include "llvolume.h"

+#include "material_codes.h"

+#include "v3color.h"

+#include "llui.h"

+#include "llglheaders.h"

+#include "llrender.h"

+#include "llstartup.h"

+#include "llwindow.h"   // swapBuffers()

+

+// newview includes

+#include "llagent.h"

+#include "llagentcamera.h"

+#include "llappviewer.h"

+#include "lltexturecache.h"

+#include "lltexturefetch.h"

+#include "llimageworker.h"

+#include "lldrawable.h"

+#include "lldrawpoolalpha.h"

+#include "lldrawpoolavatar.h"

+#include "lldrawpoolbump.h"

+#include "lldrawpooltree.h"

+#include "lldrawpoolwater.h"

+#include "llface.h"

+#include "llfeaturemanager.h"

+#include "llfloatertelehub.h"

+#include "llfloaterreg.h"

+#include "llhudmanager.h"

+#include "llhudnametag.h"

+#include "llhudtext.h"

+#include "lllightconstants.h"

+#include "llmeshrepository.h"

+#include "llpipelinelistener.h"

+#include "llresmgr.h"

+#include "llselectmgr.h"

+#include "llsky.h"

+#include "lltracker.h"

+#include "lltool.h"

+#include "lltoolmgr.h"

+#include "llviewercamera.h"

+#include "llviewermediafocus.h"

+#include "llviewertexturelist.h"

+#include "llviewerobject.h"

+#include "llviewerobjectlist.h"

+#include "llviewerparcelmgr.h"

+#include "llviewerregion.h" // for audio debugging.

+#include "llviewerwindow.h" // For getSpinAxis

+#include "llvoavatarself.h"

+#include "llvocache.h"

+#include "llvosky.h"

+#include "llvowlsky.h"

+#include "llvotree.h"

+#include "llvovolume.h"

+#include "llvosurfacepatch.h"

+#include "llvowater.h"

+#include "llvotree.h"

+#include "llvopartgroup.h"

+#include "llworld.h"

+#include "llcubemap.h"

+#include "llviewershadermgr.h"

+#include "llviewerstats.h"

+#include "llviewerjoystick.h"

+#include "llviewerdisplay.h"

+#include "llspatialpartition.h"

+#include "llmutelist.h"

+#include "lltoolpie.h"

+#include "llnotifications.h"

+#include "llpathinglib.h"

+#include "llfloaterpathfindingconsole.h"

+#include "llfloaterpathfindingcharacters.h"

+#include "llfloatertools.h"

+#include "llpanelface.h"

+#include "llpathfindingpathtool.h"

+#include "llscenemonitor.h"

+#include "llprogressview.h"

+#include "llcleanup.h"

+

+#include "llenvironment.h"

+#include "llsettingsvo.h"

+

+extern bool gSnapshot;

+bool gShiftFrame = false;

+

+//cached settings

+bool LLPipeline::WindLightUseAtmosShaders;

+bool LLPipeline::RenderDeferred;

+F32 LLPipeline::RenderDeferredSunWash;

+U32 LLPipeline::RenderFSAASamples;

+U32 LLPipeline::RenderResolutionDivisor;

+bool LLPipeline::RenderUIBuffer;

+S32 LLPipeline::RenderShadowDetail;

+S32 LLPipeline::RenderShadowSplits;

+bool LLPipeline::RenderDeferredSSAO;

+F32 LLPipeline::RenderShadowResolutionScale;

+bool LLPipeline::RenderDelayCreation;

+bool LLPipeline::RenderAnimateRes;

+bool LLPipeline::FreezeTime;

+S32 LLPipeline::DebugBeaconLineWidth;

+F32 LLPipeline::RenderHighlightBrightness;

+LLColor4 LLPipeline::RenderHighlightColor;

+F32 LLPipeline::RenderHighlightThickness;

+bool LLPipeline::RenderSpotLightsInNondeferred;

+LLColor4 LLPipeline::PreviewAmbientColor;

+LLColor4 LLPipeline::PreviewDiffuse0;

+LLColor4 LLPipeline::PreviewSpecular0;

+LLColor4 LLPipeline::PreviewDiffuse1;

+LLColor4 LLPipeline::PreviewSpecular1;

+LLColor4 LLPipeline::PreviewDiffuse2;

+LLColor4 LLPipeline::PreviewSpecular2;

+LLVector3 LLPipeline::PreviewDirection0;

+LLVector3 LLPipeline::PreviewDirection1;

+LLVector3 LLPipeline::PreviewDirection2;

+F32 LLPipeline::RenderGlowMaxExtractAlpha;

+F32 LLPipeline::RenderGlowWarmthAmount;

+LLVector3 LLPipeline::RenderGlowLumWeights;

+LLVector3 LLPipeline::RenderGlowWarmthWeights;

+S32 LLPipeline::RenderGlowResolutionPow;

+S32 LLPipeline::RenderGlowIterations;

+F32 LLPipeline::RenderGlowWidth;

+F32 LLPipeline::RenderGlowStrength;

+bool LLPipeline::RenderGlowNoise;

+bool LLPipeline::RenderDepthOfField;

+bool LLPipeline::RenderDepthOfFieldInEditMode;

+F32 LLPipeline::CameraFocusTransitionTime;

+F32 LLPipeline::CameraFNumber;

+F32 LLPipeline::CameraFocalLength;

+F32 LLPipeline::CameraFieldOfView;

+F32 LLPipeline::RenderShadowNoise;

+F32 LLPipeline::RenderShadowBlurSize;

+F32 LLPipeline::RenderSSAOScale;

+U32 LLPipeline::RenderSSAOMaxScale;

+F32 LLPipeline::RenderSSAOFactor;

+LLVector3 LLPipeline::RenderSSAOEffect;

+F32 LLPipeline::RenderShadowOffsetError;

+F32 LLPipeline::RenderShadowBiasError;

+F32 LLPipeline::RenderShadowOffset;

+F32 LLPipeline::RenderShadowBias;

+F32 LLPipeline::RenderSpotShadowOffset;

+F32 LLPipeline::RenderSpotShadowBias;

+LLDrawable* LLPipeline::RenderSpotLight = nullptr;

+F32 LLPipeline::RenderEdgeDepthCutoff;

+F32 LLPipeline::RenderEdgeNormCutoff;

+LLVector3 LLPipeline::RenderShadowGaussian;

+F32 LLPipeline::RenderShadowBlurDistFactor;

+bool LLPipeline::RenderDeferredAtmospheric;

+F32 LLPipeline::RenderHighlightFadeTime;

+F32 LLPipeline::RenderFarClip;

+LLVector3 LLPipeline::RenderShadowSplitExponent;

+F32 LLPipeline::RenderShadowErrorCutoff;

+F32 LLPipeline::RenderShadowFOVCutoff;

+bool LLPipeline::CameraOffset;

+F32 LLPipeline::CameraMaxCoF;

+F32 LLPipeline::CameraDoFResScale;

+F32 LLPipeline::RenderAutoHideSurfaceAreaLimit;

+bool LLPipeline::RenderScreenSpaceReflections;

+S32 LLPipeline::RenderScreenSpaceReflectionIterations;

+F32 LLPipeline::RenderScreenSpaceReflectionRayStep;

+F32 LLPipeline::RenderScreenSpaceReflectionDistanceBias;

+F32 LLPipeline::RenderScreenSpaceReflectionDepthRejectBias;

+F32 LLPipeline::RenderScreenSpaceReflectionAdaptiveStepMultiplier;

+S32 LLPipeline::RenderScreenSpaceReflectionGlossySamples;

+S32 LLPipeline::RenderBufferVisualization;

+LLTrace::EventStatHandle<S64> LLPipeline::sStatBatchSize("renderbatchsize");

+

+const F32 BACKLIGHT_DAY_MAGNITUDE_OBJECT = 0.1f;

+const F32 BACKLIGHT_NIGHT_MAGNITUDE_OBJECT = 0.08f;

+const F32 ALPHA_BLEND_CUTOFF = 0.598f;

+const F32 DEFERRED_LIGHT_FALLOFF = 0.5f;

+const U32 DEFERRED_VB_MASK = LLVertexBuffer::MAP_VERTEX | LLVertexBuffer::MAP_TEXCOORD0 | LLVertexBuffer::MAP_TEXCOORD1;

+

+extern S32 gBoxFrame;

+//extern bool gHideSelectedObjects;

+extern bool gDisplaySwapBuffers;

+extern bool gDebugGL;

+extern bool gCubeSnapshot;

+extern bool gSnapshotNoPost;

+

+bool    gAvatarBacklight = false;

+

+bool    gDebugPipeline = false;

+LLPipeline gPipeline;

+const LLMatrix4* gGLLastMatrix = NULL;

+

+LLTrace::BlockTimerStatHandle FTM_RENDER_GEOMETRY("Render Geometry");

+LLTrace::BlockTimerStatHandle FTM_RENDER_GRASS("Grass");

+LLTrace::BlockTimerStatHandle FTM_RENDER_INVISIBLE("Invisible");

+LLTrace::BlockTimerStatHandle FTM_RENDER_SHINY("Shiny");

+LLTrace::BlockTimerStatHandle FTM_RENDER_SIMPLE("Simple");

+LLTrace::BlockTimerStatHandle FTM_RENDER_TERRAIN("Terrain");

+LLTrace::BlockTimerStatHandle FTM_RENDER_TREES("Trees");

+LLTrace::BlockTimerStatHandle FTM_RENDER_UI("UI");

+LLTrace::BlockTimerStatHandle FTM_RENDER_WATER("Water");

+LLTrace::BlockTimerStatHandle FTM_RENDER_WL_SKY("Windlight Sky");

+LLTrace::BlockTimerStatHandle FTM_RENDER_ALPHA("Alpha Objects");

+LLTrace::BlockTimerStatHandle FTM_RENDER_CHARACTERS("Avatars");

+LLTrace::BlockTimerStatHandle FTM_RENDER_BUMP("Bump");

+LLTrace::BlockTimerStatHandle FTM_RENDER_MATERIALS("Render Materials");

+LLTrace::BlockTimerStatHandle FTM_RENDER_FULLBRIGHT("Fullbright");

+LLTrace::BlockTimerStatHandle FTM_RENDER_GLOW("Glow");

+LLTrace::BlockTimerStatHandle FTM_GEO_UPDATE("Geo Update");

+LLTrace::BlockTimerStatHandle FTM_POOLRENDER("RenderPool");

+LLTrace::BlockTimerStatHandle FTM_POOLS("Pools");

+LLTrace::BlockTimerStatHandle FTM_DEFERRED_POOLRENDER("RenderPool (Deferred)");

+LLTrace::BlockTimerStatHandle FTM_DEFERRED_POOLS("Pools (Deferred)");

+LLTrace::BlockTimerStatHandle FTM_POST_DEFERRED_POOLRENDER("RenderPool (Post)");

+LLTrace::BlockTimerStatHandle FTM_POST_DEFERRED_POOLS("Pools (Post)");

+LLTrace::BlockTimerStatHandle FTM_STATESORT("Sort Draw State");

+LLTrace::BlockTimerStatHandle FTM_PIPELINE("Pipeline");

+LLTrace::BlockTimerStatHandle FTM_CLIENT_COPY("Client Copy");

+LLTrace::BlockTimerStatHandle FTM_RENDER_DEFERRED("Deferred Shading");

+

+LLTrace::BlockTimerStatHandle FTM_RENDER_UI_HUD("HUD");

+LLTrace::BlockTimerStatHandle FTM_RENDER_UI_3D("3D");

+LLTrace::BlockTimerStatHandle FTM_RENDER_UI_2D("2D");

+

+static LLTrace::BlockTimerStatHandle FTM_STATESORT_DRAWABLE("Sort Drawables");

+

+static LLStaticHashedString sTint("tint");

+static LLStaticHashedString sAmbiance("ambiance");

+static LLStaticHashedString sAlphaScale("alpha_scale");

+static LLStaticHashedString sNormMat("norm_mat");

+static LLStaticHashedString sOffset("offset");

+static LLStaticHashedString sScreenRes("screenRes");

+static LLStaticHashedString sDelta("delta");

+static LLStaticHashedString sDistFactor("dist_factor");

+static LLStaticHashedString sKern("kern");

+static LLStaticHashedString sKernScale("kern_scale");

+

+//----------------------------------------

+

+void drawBox(const LLVector4a& c, const LLVector4a& r);

+void drawBoxOutline(const LLVector3& pos, const LLVector3& size);

+U32 nhpo2(U32 v);

+LLVertexBuffer* ll_create_cube_vb(U32 type_mask);

+

+void display_update_camera();

+//----------------------------------------

+

+S32     LLPipeline::sCompiles = 0;

+

+bool    LLPipeline::sPickAvatar = true;

+bool    LLPipeline::sDynamicLOD = true;

+bool    LLPipeline::sShowHUDAttachments = true;

+bool    LLPipeline::sRenderMOAPBeacons = false;

+bool    LLPipeline::sRenderPhysicalBeacons = true;

+bool    LLPipeline::sRenderScriptedBeacons = false;

+bool    LLPipeline::sRenderScriptedTouchBeacons = true;

+bool    LLPipeline::sRenderParticleBeacons = false;

+bool    LLPipeline::sRenderSoundBeacons = false;

+bool    LLPipeline::sRenderBeacons = false;

+bool    LLPipeline::sRenderHighlight = true;

+LLRender::eTexIndex LLPipeline::sRenderHighlightTextureChannel = LLRender::DIFFUSE_MAP;

+bool    LLPipeline::sForceOldBakedUpload = false;

+S32     LLPipeline::sUseOcclusion = 0;

+bool    LLPipeline::sAutoMaskAlphaDeferred = true;

+bool    LLPipeline::sAutoMaskAlphaNonDeferred = false;

+bool    LLPipeline::sRenderTransparentWater = true;

+bool    LLPipeline::sBakeSunlight = false;

+bool    LLPipeline::sNoAlpha = false;

+bool    LLPipeline::sUseFarClip = true;

+bool    LLPipeline::sShadowRender = false;

+bool    LLPipeline::sRenderGlow = false;

+bool    LLPipeline::sReflectionRender = false;

+bool    LLPipeline::sDistortionRender = false;

+bool    LLPipeline::sImpostorRender = false;

+bool    LLPipeline::sImpostorRenderAlphaDepthPass = false;

+bool    LLPipeline::sUnderWaterRender = false;

+bool    LLPipeline::sTextureBindTest = false;

+bool    LLPipeline::sRenderAttachedLights = true;

+bool    LLPipeline::sRenderAttachedParticles = true;

+bool    LLPipeline::sRenderDeferred = false;

+bool    LLPipeline::sReflectionProbesEnabled = false;

+S32     LLPipeline::sVisibleLightCount = 0;

+bool    LLPipeline::sRenderingHUDs;

+F32     LLPipeline::sDistortionWaterClipPlaneMargin = 1.0125f;

+

+// EventHost API LLPipeline listener.

+static LLPipelineListener sPipelineListener;

+

+static LLCullResult* sCull = NULL;

+

+void validate_framebuffer_object();

+

+// Add color attachments for deferred rendering

+// target -- RenderTarget to add attachments to

+bool addDeferredAttachments(LLRenderTarget& target, bool for_impostor = false)

+{

+    bool valid = true

+        && target.addColorAttachment(GL_RGBA) // frag-data[1] specular OR PBR ORM

+        && target.addColorAttachment(GL_RGBA16F)                              // frag_data[2] normal+z+fogmask, See: class1\deferred\materialF.glsl & softenlight

+        && target.addColorAttachment(GL_RGB16F);                  // frag_data[3] PBR emissive

+    return valid;

+}

+

+LLPipeline::LLPipeline() :

+    mBackfaceCull(false),

+    mMatrixOpCount(0),

+    mTextureMatrixOps(0),

+    mNumVisibleNodes(0),

+    mNumVisibleFaces(0),

+    mPoissonOffset(0),

+

+    mInitialized(false),

+    mShadersLoaded(false),

+    mTransformFeedbackPrimitives(0),

+    mRenderDebugFeatureMask(0),

+    mRenderDebugMask(0),

+    mOldRenderDebugMask(0),

+    mMeshDirtyQueryObject(0),

+    mGroupQ1Locked(false),

+    mResetVertexBuffers(false),

+    mLastRebuildPool(NULL),

+    mLightMask(0),

+    mLightMovingMask(0)

+{

+    mNoiseMap = 0;

+    mTrueNoiseMap = 0;

+    mLightFunc = 0;

+

+    for(U32 i = 0; i < 8; i++)

+    {

+        mHWLightColors[i] = LLColor4::black;

+    }

+}

+

+void LLPipeline::connectRefreshCachedSettingsSafe(const std::string name)

+{

+    LLPointer<LLControlVariable> cntrl_ptr = gSavedSettings.getControl(name);

+    if ( cntrl_ptr.isNull() )

+    {

+        LL_WARNS() << "Global setting name not found:" << name << LL_ENDL;

+    }

+    else

+    {

+        cntrl_ptr->getCommitSignal()->connect(boost::bind(&LLPipeline::refreshCachedSettings));

+    }

+}

+

+void LLPipeline::init()

+{

+    refreshCachedSettings();

+

+    mRT = &mMainRT;

+

+    gOctreeMaxCapacity = gSavedSettings.getU32("OctreeMaxNodeCapacity");

+    gOctreeMinSize = gSavedSettings.getF32("OctreeMinimumNodeSize");

+    sDynamicLOD = gSavedSettings.getBOOL("RenderDynamicLOD");

+    sRenderAttachedLights = gSavedSettings.getBOOL("RenderAttachedLights");

+    sRenderAttachedParticles = gSavedSettings.getBOOL("RenderAttachedParticles");

+

+    mInitialized = true;

+

+    stop_glerror();

+

+    //create render pass pools

+    getPool(LLDrawPool::POOL_ALPHA_PRE_WATER);

+    getPool(LLDrawPool::POOL_ALPHA_POST_WATER);

+    getPool(LLDrawPool::POOL_SIMPLE);

+    getPool(LLDrawPool::POOL_ALPHA_MASK);

+    getPool(LLDrawPool::POOL_FULLBRIGHT_ALPHA_MASK);

+    getPool(LLDrawPool::POOL_GRASS);

+    getPool(LLDrawPool::POOL_FULLBRIGHT);

+    getPool(LLDrawPool::POOL_BUMP);

+    getPool(LLDrawPool::POOL_MATERIALS);

+    getPool(LLDrawPool::POOL_GLOW);

+    getPool(LLDrawPool::POOL_GLTF_PBR);

+    getPool(LLDrawPool::POOL_GLTF_PBR_ALPHA_MASK);

+

+    resetFrameStats();

+

+    if (gSavedSettings.getBOOL("DisableAllRenderFeatures"))

+    {

+        clearAllRenderDebugFeatures();

+    }

+    else

+    {

+        setAllRenderDebugFeatures(); // By default, all debugging features on

+    }

+    clearAllRenderDebugDisplays(); // All debug displays off

+

+    if (gSavedSettings.getBOOL("DisableAllRenderTypes"))

+    {

+        clearAllRenderTypes();

+    }

+    else if (gNonInteractive)

+    {

+        clearAllRenderTypes();

+    }

+    else

+    {

+        setAllRenderTypes(); // By default, all rendering types start enabled

+    }

+

+    // make sure RenderPerformanceTest persists (hackity hack hack)

+    // disables non-object rendering (UI, sky, water, etc)

+    if (gSavedSettings.getBOOL("RenderPerformanceTest"))

+    {

+        gSavedSettings.setBOOL("RenderPerformanceTest", false);

+        gSavedSettings.setBOOL("RenderPerformanceTest", true);

+    }

+

+    mOldRenderDebugMask = mRenderDebugMask;

+

+    mBackfaceCull = true;

+

+    // Enable features

+    LLViewerShaderMgr::instance()->setShaders();

+

+    for (U32 i = 0; i < 2; ++i)

+    {

+        mSpotLightFade[i] = 1.f;

+    }

+

+    if (mCubeVB.isNull())

+    {

+        mCubeVB = ll_create_cube_vb(LLVertexBuffer::MAP_VERTEX);

+    }

+

+    mDeferredVB = new LLVertexBuffer(DEFERRED_VB_MASK);

+    mDeferredVB->allocateBuffer(8, 0);

+

+    {

+        mScreenTriangleVB = new LLVertexBuffer(LLVertexBuffer::MAP_VERTEX);

+        mScreenTriangleVB->allocateBuffer(3, 0);

+        LLStrider<LLVector3> vert;

+        mScreenTriangleVB->getVertexStrider(vert);

+

+        vert[0].set(-1, 1, 0);

+        vert[1].set(-1, -3, 0);

+        vert[2].set(3, 1, 0);

+

+        mScreenTriangleVB->unmapBuffer();

+    }

+

+    //

+    // Update all settings to trigger a cached settings refresh

+    //

+    connectRefreshCachedSettingsSafe("RenderAutoMaskAlphaDeferred");

+    connectRefreshCachedSettingsSafe("RenderAutoMaskAlphaNonDeferred");

+    connectRefreshCachedSettingsSafe("RenderUseFarClip");

+    connectRefreshCachedSettingsSafe("RenderAvatarMaxNonImpostors");

+    connectRefreshCachedSettingsSafe("UseOcclusion");

+    // DEPRECATED -- connectRefreshCachedSettingsSafe("WindLightUseAtmosShaders");

+    // DEPRECATED -- connectRefreshCachedSettingsSafe("RenderDeferred");

+    connectRefreshCachedSettingsSafe("RenderDeferredSunWash");

+    connectRefreshCachedSettingsSafe("RenderFSAASamples");

+    connectRefreshCachedSettingsSafe("RenderResolutionDivisor");

+    connectRefreshCachedSettingsSafe("RenderUIBuffer");

+    connectRefreshCachedSettingsSafe("RenderShadowDetail");

+    connectRefreshCachedSettingsSafe("RenderShadowSplits");

+    connectRefreshCachedSettingsSafe("RenderDeferredSSAO");

+    connectRefreshCachedSettingsSafe("RenderShadowResolutionScale");

+    connectRefreshCachedSettingsSafe("RenderDelayCreation");

+    connectRefreshCachedSettingsSafe("RenderAnimateRes");

+    connectRefreshCachedSettingsSafe("FreezeTime");

+    connectRefreshCachedSettingsSafe("DebugBeaconLineWidth");

+    connectRefreshCachedSettingsSafe("RenderHighlightBrightness");

+    connectRefreshCachedSettingsSafe("RenderHighlightColor");

+    connectRefreshCachedSettingsSafe("RenderHighlightThickness");

+    connectRefreshCachedSettingsSafe("RenderSpotLightsInNondeferred");

+    connectRefreshCachedSettingsSafe("PreviewAmbientColor");

+    connectRefreshCachedSettingsSafe("PreviewDiffuse0");

+    connectRefreshCachedSettingsSafe("PreviewSpecular0");

+    connectRefreshCachedSettingsSafe("PreviewDiffuse1");

+    connectRefreshCachedSettingsSafe("PreviewSpecular1");

+    connectRefreshCachedSettingsSafe("PreviewDiffuse2");

+    connectRefreshCachedSettingsSafe("PreviewSpecular2");

+    connectRefreshCachedSettingsSafe("PreviewDirection0");

+    connectRefreshCachedSettingsSafe("PreviewDirection1");

+    connectRefreshCachedSettingsSafe("PreviewDirection2");

+    connectRefreshCachedSettingsSafe("RenderGlowMaxExtractAlpha");

+    connectRefreshCachedSettingsSafe("RenderGlowWarmthAmount");

+    connectRefreshCachedSettingsSafe("RenderGlowLumWeights");

+    connectRefreshCachedSettingsSafe("RenderGlowWarmthWeights");

+    connectRefreshCachedSettingsSafe("RenderGlowResolutionPow");

+    connectRefreshCachedSettingsSafe("RenderGlowIterations");

+    connectRefreshCachedSettingsSafe("RenderGlowWidth");

+    connectRefreshCachedSettingsSafe("RenderGlowStrength");

+    connectRefreshCachedSettingsSafe("RenderGlowNoise");

+    connectRefreshCachedSettingsSafe("RenderDepthOfField");

+    connectRefreshCachedSettingsSafe("RenderDepthOfFieldInEditMode");

+    connectRefreshCachedSettingsSafe("CameraFocusTransitionTime");

+    connectRefreshCachedSettingsSafe("CameraFNumber");

+    connectRefreshCachedSettingsSafe("CameraFocalLength");

+    connectRefreshCachedSettingsSafe("CameraFieldOfView");

+    connectRefreshCachedSettingsSafe("RenderShadowNoise");

+    connectRefreshCachedSettingsSafe("RenderShadowBlurSize");

+    connectRefreshCachedSettingsSafe("RenderSSAOScale");

+    connectRefreshCachedSettingsSafe("RenderSSAOMaxScale");

+    connectRefreshCachedSettingsSafe("RenderSSAOFactor");

+    connectRefreshCachedSettingsSafe("RenderSSAOEffect");

+    connectRefreshCachedSettingsSafe("RenderShadowOffsetError");

+    connectRefreshCachedSettingsSafe("RenderShadowBiasError");

+    connectRefreshCachedSettingsSafe("RenderShadowOffset");

+    connectRefreshCachedSettingsSafe("RenderShadowBias");

+    connectRefreshCachedSettingsSafe("RenderSpotShadowOffset");

+    connectRefreshCachedSettingsSafe("RenderSpotShadowBias");

+    connectRefreshCachedSettingsSafe("RenderEdgeDepthCutoff");

+    connectRefreshCachedSettingsSafe("RenderEdgeNormCutoff");

+    connectRefreshCachedSettingsSafe("RenderShadowGaussian");

+    connectRefreshCachedSettingsSafe("RenderShadowBlurDistFactor");

+    connectRefreshCachedSettingsSafe("RenderDeferredAtmospheric");

+    connectRefreshCachedSettingsSafe("RenderHighlightFadeTime");

+    connectRefreshCachedSettingsSafe("RenderFarClip");

+    connectRefreshCachedSettingsSafe("RenderShadowSplitExponent");

+    connectRefreshCachedSettingsSafe("RenderShadowErrorCutoff");

+    connectRefreshCachedSettingsSafe("RenderShadowFOVCutoff");

+    connectRefreshCachedSettingsSafe("CameraOffset");

+    connectRefreshCachedSettingsSafe("CameraMaxCoF");

+    connectRefreshCachedSettingsSafe("CameraDoFResScale");

+    connectRefreshCachedSettingsSafe("RenderAutoHideSurfaceAreaLimit");

+    connectRefreshCachedSettingsSafe("RenderScreenSpaceReflections");

+    connectRefreshCachedSettingsSafe("RenderScreenSpaceReflectionIterations");

+    connectRefreshCachedSettingsSafe("RenderScreenSpaceReflectionRayStep");

+    connectRefreshCachedSettingsSafe("RenderScreenSpaceReflectionDistanceBias");

+    connectRefreshCachedSettingsSafe("RenderScreenSpaceReflectionDepthRejectBias");

+    connectRefreshCachedSettingsSafe("RenderScreenSpaceReflectionAdaptiveStepMultiplier");

+    connectRefreshCachedSettingsSafe("RenderScreenSpaceReflectionGlossySamples");

+    connectRefreshCachedSettingsSafe("RenderBufferVisualization");

+    gSavedSettings.getControl("RenderAutoHideSurfaceAreaLimit")->getCommitSignal()->connect(boost::bind(&LLPipeline::refreshCachedSettings));

+}

+

+LLPipeline::~LLPipeline()

+{

+}

+

+void LLPipeline::cleanup()

+{

+    assertInitialized();

+

+    mGroupQ1.clear() ;

+

+    for(pool_set_t::iterator iter = mPools.begin();

+        iter != mPools.end(); )

+    {

+        pool_set_t::iterator curiter = iter++;

+        LLDrawPool* poolp = *curiter;

+        if (poolp->isFacePool())

+        {

+            LLFacePool* face_pool = (LLFacePool*) poolp;

+            if (face_pool->mReferences.empty())

+            {

+                mPools.erase(curiter);

+                removeFromQuickLookup( poolp );

+                delete poolp;

+            }

+        }

+        else

+        {

+            mPools.erase(curiter);

+            removeFromQuickLookup( poolp );

+            delete poolp;

+        }

+    }

+

+    if (!mTerrainPools.empty())

+    {

+        LL_WARNS() << "Terrain Pools not cleaned up" << LL_ENDL;

+    }

+    if (!mTreePools.empty())

+    {

+        LL_WARNS() << "Tree Pools not cleaned up" << LL_ENDL;

+    }

+

+    delete mAlphaPoolPreWater;

+    mAlphaPoolPreWater = nullptr;

+    delete mAlphaPoolPostWater;

+    mAlphaPoolPostWater = nullptr;

+    delete mSkyPool;

+    mSkyPool = NULL;

+    delete mTerrainPool;

+    mTerrainPool = NULL;

+    delete mWaterPool;

+    mWaterPool = NULL;

+    delete mSimplePool;

+    mSimplePool = NULL;

+    delete mFullbrightPool;

+    mFullbrightPool = NULL;

+    delete mGlowPool;

+    mGlowPool = NULL;

+    delete mBumpPool;

+    mBumpPool = NULL;

+    // don't delete wl sky pool it was handled above in the for loop

+    //delete mWLSkyPool;

+    mWLSkyPool = NULL;

+

+    releaseGLBuffers();

+

+    mFaceSelectImagep = NULL;

+

+    mMovedList.clear();

+    mMovedBridge.clear();

+    mShiftList.clear();

+

+    mInitialized = false;

+

+    mDeferredVB = NULL;

+    mScreenTriangleVB = nullptr;

+

+    mCubeVB = NULL;

+

+    mReflectionMapManager.cleanup();

+}

+

+//============================================================================

+

+void LLPipeline::destroyGL()

+{

+    stop_glerror();

+    unloadShaders();

+    mHighlightFaces.clear();

+

+    resetDrawOrders();

+

+    releaseGLBuffers();

+

+    if (mMeshDirtyQueryObject)

+    {

+        glDeleteQueries(1, &mMeshDirtyQueryObject);

+        mMeshDirtyQueryObject = 0;

+    }

+}

+

+void LLPipeline::requestResizeScreenTexture()

+{

+    gResizeScreenTexture = true;

+}

+

+void LLPipeline::requestResizeShadowTexture()

+{

+    gResizeShadowTexture = true;

+}

+

+void LLPipeline::resizeShadowTexture()

+{

+    releaseSunShadowTargets();

+    releaseSpotShadowTargets();

+    allocateShadowBuffer(mRT->width, mRT->height);

+    gResizeShadowTexture = false;

+}

+

+void LLPipeline::resizeScreenTexture()

+{

+    if (gPipeline.shadersLoaded())

+    {

+        GLuint resX = gViewerWindow->getWorldViewWidthRaw();

+        GLuint resY = gViewerWindow->getWorldViewHeightRaw();

+

+        if (gResizeScreenTexture || (resX != mRT->screen.getWidth()) || (resY != mRT->screen.getHeight()))

+        {

+            releaseScreenBuffers();

+            releaseSunShadowTargets();

+            releaseSpotShadowTargets();

+            allocateScreenBuffer(resX,resY);

+            gResizeScreenTexture = false;

+        }

+    }

+}

+

+bool LLPipeline::allocateScreenBuffer(U32 resX, U32 resY)

+{

+    LL_PROFILE_ZONE_SCOPED_CATEGORY_DISPLAY;

+    eFBOStatus ret = doAllocateScreenBuffer(resX, resY);

+

+    return ret == FBO_SUCCESS_FULLRES;

+}

+

+

+LLPipeline::eFBOStatus LLPipeline::doAllocateScreenBuffer(U32 resX, U32 resY)

+{

+    LL_PROFILE_ZONE_SCOPED_CATEGORY_DISPLAY;

+    // try to allocate screen buffers at requested resolution and samples

+    // - on failure, shrink number of samples and try again

+    // - if not multisampled, shrink resolution and try again (favor X resolution over Y)

+    // Make sure to call "releaseScreenBuffers" after each failure to cleanup the partially loaded state

+

+    // refresh cached settings here to protect against inconsistent event handling order

+    refreshCachedSettings();

+

+    U32 samples = RenderFSAASamples;

+

+    eFBOStatus ret = FBO_SUCCESS_FULLRES;

+    if (!allocateScreenBuffer(resX, resY, samples))

+    {

+        //failed to allocate at requested specification, return false

+        ret = FBO_FAILURE;

+

+        releaseScreenBuffers();

+        //reduce number of samples

+        while (samples > 0)

+        {

+            samples /= 2;

+            if (allocateScreenBuffer(resX, resY, samples))

+            { //success

+                return FBO_SUCCESS_LOWRES;

+            }

+            releaseScreenBuffers();

+        }

+

+        samples = 0;

+

+        //reduce resolution

+        while (resY > 0 && resX > 0)

+        {

+            resY /= 2;

+            if (allocateScreenBuffer(resX, resY, samples))

+            {

+                return FBO_SUCCESS_LOWRES;

+            }

+            releaseScreenBuffers();

+

+            resX /= 2;

+            if (allocateScreenBuffer(resX, resY, samples))

+            {

+                return FBO_SUCCESS_LOWRES;

+            }

+            releaseScreenBuffers();

+        }

+

+        LL_WARNS() << "Unable to allocate screen buffer at any resolution!" << LL_ENDL;

+    }

+

+    return ret;

+}

+

+bool LLPipeline::allocateScreenBuffer(U32 resX, U32 resY, U32 samples)

+{

+    LL_PROFILE_ZONE_SCOPED_CATEGORY_DISPLAY;

+    if (mRT == &mMainRT && sReflectionProbesEnabled)

+    { // hacky -- allocate auxillary buffer

+        gCubeSnapshot = true;

+        mReflectionMapManager.initReflectionMaps();

+        mRT = &mAuxillaryRT;

+        U32 res = mReflectionMapManager.mProbeResolution * 4;  //multiply by 4 because probes will be 16x super sampled

+        allocateScreenBuffer(res, res, samples);

+        mRT = &mMainRT;

+        gCubeSnapshot = false;

+    }

+

+    // remember these dimensions

+    mRT->width = resX;

+    mRT->height = resY;

+

+    U32 res_mod = RenderResolutionDivisor;

+

+    if (res_mod > 1 && res_mod < resX && res_mod < resY)

+    {

+        resX /= res_mod;

+        resY /= res_mod;

+    }

+

+    //water reflection texture (always needed as scratch space whether or not transparent water is enabled)

+    mWaterDis.allocate(resX, resY, GL_RGBA16F, true);

+

+    if (RenderUIBuffer)

+    {

+        if (!mRT->uiScreen.allocate(resX,resY, GL_RGBA))

+        {

+            return false;

+        }

+    }

+

+    S32 shadow_detail = RenderShadowDetail;

+    bool ssao = RenderDeferredSSAO;

+

+    //allocate deferred rendering color buffers

+    if (!mRT->deferredScreen.allocate(resX, resY, GL_RGBA, true)) return false;

+    if (!addDeferredAttachments(mRT->deferredScreen)) return false;

+

+    GLuint screenFormat = GL_RGBA16F;

+

+    if (!mRT->screen.allocate(resX, resY, screenFormat)) return false;

+

+    mRT->deferredScreen.shareDepthBuffer(mRT->screen);

+

+    if (samples > 0)

+    {

+        if (!mRT->fxaaBuffer.allocate(resX, resY, GL_RGBA)) return false;

+    }

+    else

+    {

+        mRT->fxaaBuffer.release();

+    }

+

+    if (shadow_detail > 0 || ssao || RenderDepthOfField || samples > 0)

+    { //only need mRT->deferredLight for shadows OR ssao OR dof OR fxaa

+        if (!mRT->deferredLight.allocate(resX, resY, GL_RGBA16F)) return false;

+    }

+    else

+    {

+        mRT->deferredLight.release();

+    }

+

+    allocateShadowBuffer(resX, resY);

+

+    if (!gCubeSnapshot && RenderScreenSpaceReflections) // hack to not allocate mSceneMap for cube snapshots

+    {

+        mSceneMap.allocate(resX, resY, GL_RGB, true);

+    }

+

+    const bool post_hdr = gSavedSettings.getBOOL("RenderPostProcessingHDR");

+    const U32 post_color_fmt = post_hdr ? GL_RGBA16F : GL_RGBA;

+    mPostMap.allocate(resX, resY, post_color_fmt);

+

+    //HACK make screenbuffer allocations start failing after 30 seconds

+    if (gSavedSettings.getBOOL("SimulateFBOFailure"))

+    {

+        return false;

+    }

+

+    gGL.getTexUnit(0)->disable();

+

+    stop_glerror();

+

+    return true;

+}

+

+// must be even to avoid a stripe in the horizontal shadow blur

+inline U32 BlurHappySize(U32 x, F32 scale) { return U32( x * scale + 16.0f) & ~0xF; }

+

+bool LLPipeline::allocateShadowBuffer(U32 resX, U32 resY)

+{

+    LL_PROFILE_ZONE_SCOPED_CATEGORY_DISPLAY;

+    S32 shadow_detail = RenderShadowDetail;

+

+    F32 scale = llmax(0.f, RenderShadowResolutionScale);

+    U32 sun_shadow_map_width = BlurHappySize(resX, scale);

+    U32 sun_shadow_map_height = BlurHappySize(resY, scale);

+

+    if (shadow_detail > 0)

+    { //allocate 4 sun shadow maps

+        for (U32 i = 0; i < 4; i++)

+        {

+            if (!mRT->shadow[i].allocate(sun_shadow_map_width, sun_shadow_map_height, 0, true))

+            {

+                return false;

+            }

+        }

+    }

+    else

+    {

+        for (U32 i = 0; i < 4; i++)

+        {

+            releaseSunShadowTarget(i);

+        }

+    }

+

+    if (!gCubeSnapshot) // hack to not allocate spot shadow maps during ReflectionMapManager init

+    {

+        U32 width = (U32)(resX * scale);

+        U32 height = width;

+

+        if (shadow_detail > 1)

+        { //allocate two spot shadow maps

+            U32 spot_shadow_map_width = width;

+            U32 spot_shadow_map_height = height;

+            for (U32 i = 0; i < 2; i++)

+            {

+                if (!mSpotShadow[i].allocate(spot_shadow_map_width, spot_shadow_map_height, 0, true))

+                {

+                    return false;

+                }

+            }

+        }

+        else

+        {

+            releaseSpotShadowTargets();

+        }

+    }

+

+

+    // set up shadow map filtering and compare modes

+    if (shadow_detail > 0)

+    {

+        for (U32 i = 0; i < 4; i++)

+        {

+            LLRenderTarget* shadow_target = getSunShadowTarget(i);

+            if (shadow_target)

+            {

+                gGL.getTexUnit(0)->bind(getSunShadowTarget(i), true);

+                gGL.getTexUnit(0)->setTextureFilteringOption(LLTexUnit::TFO_ANISOTROPIC);

+                gGL.getTexUnit(0)->setTextureAddressMode(LLTexUnit::TAM_CLAMP);

+

+                glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_COMPARE_MODE, GL_COMPARE_R_TO_TEXTURE);

+                glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_COMPARE_FUNC, GL_LEQUAL);

+            }

+        }

+    }

+

+    if (shadow_detail > 1 && !gCubeSnapshot)

+    {

+        for (U32 i = 0; i < 2; i++)

+        {

+            LLRenderTarget* shadow_target = getSpotShadowTarget(i);

+            if (shadow_target)

+            {

+                gGL.getTexUnit(0)->bind(shadow_target, true);

+                gGL.getTexUnit(0)->setTextureFilteringOption(LLTexUnit::TFO_ANISOTROPIC);

+                gGL.getTexUnit(0)->setTextureAddressMode(LLTexUnit::TAM_CLAMP);

+

+                glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_COMPARE_MODE, GL_COMPARE_R_TO_TEXTURE);

+                glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_COMPARE_FUNC, GL_LEQUAL);

+            }

+        }

+    }

+

+    return true;

+}

+

+//static

+void LLPipeline::updateRenderTransparentWater()

+{

+    sRenderTransparentWater = gSavedSettings.getBOOL("RenderTransparentWater");

+}

+

+// static

+void LLPipeline::refreshCachedSettings()

+{

+    LL_PROFILE_ZONE_SCOPED_CATEGORY_DISPLAY;

+    LLPipeline::sAutoMaskAlphaDeferred = gSavedSettings.getBOOL("RenderAutoMaskAlphaDeferred");

+    LLPipeline::sAutoMaskAlphaNonDeferred = gSavedSettings.getBOOL("RenderAutoMaskAlphaNonDeferred");

+    LLPipeline::sUseFarClip = gSavedSettings.getBOOL("RenderUseFarClip");

+    LLVOAvatar::sMaxNonImpostors = gSavedSettings.getU32("RenderAvatarMaxNonImpostors");

+    LLVOAvatar::updateImpostorRendering(LLVOAvatar::sMaxNonImpostors);

+

+    LLPipeline::sUseOcclusion =

+            (!gUseWireframe

+            && LLFeatureManager::getInstance()->isFeatureAvailable("UseOcclusion")

+            && gSavedSettings.getBOOL("UseOcclusion")) ? 2 : 0;

+

+    WindLightUseAtmosShaders = true; // DEPRECATED -- gSavedSettings.getBOOL("WindLightUseAtmosShaders");

+    RenderDeferred = true; // DEPRECATED -- gSavedSettings.getBOOL("RenderDeferred");

+    RenderDeferredSunWash = gSavedSettings.getF32("RenderDeferredSunWash");

+    RenderFSAASamples = LLFeatureManager::getInstance()->isFeatureAvailable("RenderFSAASamples") ? gSavedSettings.getU32("RenderFSAASamples") : 0;

+    RenderResolutionDivisor = gSavedSettings.getU32("RenderResolutionDivisor");

+    RenderUIBuffer = gSavedSettings.getBOOL("RenderUIBuffer");

+    RenderShadowDetail = gSavedSettings.getS32("RenderShadowDetail");

+    RenderShadowSplits = gSavedSettings.getS32("RenderShadowSplits");

+    RenderDeferredSSAO = gSavedSettings.getBOOL("RenderDeferredSSAO");

+    RenderShadowResolutionScale = gSavedSettings.getF32("RenderShadowResolutionScale");

+    RenderDelayCreation = gSavedSettings.getBOOL("RenderDelayCreation");

+    RenderAnimateRes = gSavedSettings.getBOOL("RenderAnimateRes");

+    FreezeTime = gSavedSettings.getBOOL("FreezeTime");

+    DebugBeaconLineWidth = gSavedSettings.getS32("DebugBeaconLineWidth");

+    RenderHighlightBrightness = gSavedSettings.getF32("RenderHighlightBrightness");

+    RenderHighlightColor = gSavedSettings.getColor4("RenderHighlightColor");

+    RenderHighlightThickness = gSavedSettings.getF32("RenderHighlightThickness");

+    RenderSpotLightsInNondeferred = gSavedSettings.getBOOL("RenderSpotLightsInNondeferred");

+    PreviewAmbientColor = gSavedSettings.getColor4("PreviewAmbientColor");

+    PreviewDiffuse0 = gSavedSettings.getColor4("PreviewDiffuse0");

+    PreviewSpecular0 = gSavedSettings.getColor4("PreviewSpecular0");

+    PreviewDiffuse1 = gSavedSettings.getColor4("PreviewDiffuse1");

+    PreviewSpecular1 = gSavedSettings.getColor4("PreviewSpecular1");

+    PreviewDiffuse2 = gSavedSettings.getColor4("PreviewDiffuse2");

+    PreviewSpecular2 = gSavedSettings.getColor4("PreviewSpecular2");

+    PreviewDirection0 = gSavedSettings.getVector3("PreviewDirection0");

+    PreviewDirection1 = gSavedSettings.getVector3("PreviewDirection1");

+    PreviewDirection2 = gSavedSettings.getVector3("PreviewDirection2");

+    RenderGlowMaxExtractAlpha = gSavedSettings.getF32("RenderGlowMaxExtractAlpha");

+    RenderGlowWarmthAmount = gSavedSettings.getF32("RenderGlowWarmthAmount");

+    RenderGlowLumWeights = gSavedSettings.getVector3("RenderGlowLumWeights");

+    RenderGlowWarmthWeights = gSavedSettings.getVector3("RenderGlowWarmthWeights");

+    RenderGlowResolutionPow = gSavedSettings.getS32("RenderGlowResolutionPow");

+    RenderGlowIterations = gSavedSettings.getS32("RenderGlowIterations");

+    RenderGlowWidth = gSavedSettings.getF32("RenderGlowWidth");

+    RenderGlowStrength = gSavedSettings.getF32("RenderGlowStrength");

+    RenderGlowNoise = gSavedSettings.getBOOL("RenderGlowNoise");

+    RenderDepthOfField = gSavedSettings.getBOOL("RenderDepthOfField");

+    RenderDepthOfFieldInEditMode = gSavedSettings.getBOOL("RenderDepthOfFieldInEditMode");

+    CameraFocusTransitionTime = gSavedSettings.getF32("CameraFocusTransitionTime");

+    CameraFNumber = gSavedSettings.getF32("CameraFNumber");

+    CameraFocalLength = gSavedSettings.getF32("CameraFocalLength");

+    CameraFieldOfView = gSavedSettings.getF32("CameraFieldOfView");

+    RenderShadowNoise = gSavedSettings.getF32("RenderShadowNoise");

+    RenderShadowBlurSize = gSavedSettings.getF32("RenderShadowBlurSize");

+    RenderSSAOScale = gSavedSettings.getF32("RenderSSAOScale");

+    RenderSSAOMaxScale = gSavedSettings.getU32("RenderSSAOMaxScale");

+    RenderSSAOFactor = gSavedSettings.getF32("RenderSSAOFactor");

+    RenderSSAOEffect = gSavedSettings.getVector3("RenderSSAOEffect");

+    RenderShadowOffsetError = gSavedSettings.getF32("RenderShadowOffsetError");

+    RenderShadowBiasError = gSavedSettings.getF32("RenderShadowBiasError");

+    RenderShadowOffset = gSavedSettings.getF32("RenderShadowOffset");

+    RenderShadowBias = gSavedSettings.getF32("RenderShadowBias");

+    RenderSpotShadowOffset = gSavedSettings.getF32("RenderSpotShadowOffset");

+    RenderSpotShadowBias = gSavedSettings.getF32("RenderSpotShadowBias");

+    RenderEdgeDepthCutoff = gSavedSettings.getF32("RenderEdgeDepthCutoff");

+    RenderEdgeNormCutoff = gSavedSettings.getF32("RenderEdgeNormCutoff");

+    RenderShadowGaussian = gSavedSettings.getVector3("RenderShadowGaussian");

+    RenderShadowBlurDistFactor = gSavedSettings.getF32("RenderShadowBlurDistFactor");

+    RenderDeferredAtmospheric = gSavedSettings.getBOOL("RenderDeferredAtmospheric");

+    RenderHighlightFadeTime = gSavedSettings.getF32("RenderHighlightFadeTime");

+    RenderFarClip = gSavedSettings.getF32("RenderFarClip");

+    RenderShadowSplitExponent = gSavedSettings.getVector3("RenderShadowSplitExponent");

+    RenderShadowErrorCutoff = gSavedSettings.getF32("RenderShadowErrorCutoff");

+    RenderShadowFOVCutoff = gSavedSettings.getF32("RenderShadowFOVCutoff");

+    CameraOffset = gSavedSettings.getBOOL("CameraOffset");

+    CameraMaxCoF = gSavedSettings.getF32("CameraMaxCoF");

+    CameraDoFResScale = gSavedSettings.getF32("CameraDoFResScale");

+    RenderAutoHideSurfaceAreaLimit = gSavedSettings.getF32("RenderAutoHideSurfaceAreaLimit");

+    RenderScreenSpaceReflections = gSavedSettings.getBOOL("RenderScreenSpaceReflections");

+    RenderScreenSpaceReflectionIterations = gSavedSettings.getS32("RenderScreenSpaceReflectionIterations");

+    RenderScreenSpaceReflectionRayStep = gSavedSettings.getF32("RenderScreenSpaceReflectionRayStep");

+    RenderScreenSpaceReflectionDistanceBias = gSavedSettings.getF32("RenderScreenSpaceReflectionDistanceBias");

+    RenderScreenSpaceReflectionDepthRejectBias = gSavedSettings.getF32("RenderScreenSpaceReflectionDepthRejectBias");

+    RenderScreenSpaceReflectionAdaptiveStepMultiplier = gSavedSettings.getF32("RenderScreenSpaceReflectionAdaptiveStepMultiplier");

+    RenderScreenSpaceReflectionGlossySamples = gSavedSettings.getS32("RenderScreenSpaceReflectionGlossySamples");

+    RenderBufferVisualization = gSavedSettings.getS32("RenderBufferVisualization");

+    sReflectionProbesEnabled = LLFeatureManager::getInstance()->isFeatureAvailable("RenderReflectionsEnabled") && gSavedSettings.getBOOL("RenderReflectionsEnabled");

+    RenderSpotLight = nullptr;

+

+    if (gNonInteractive)

+    {

+        LLVOAvatar::sMaxNonImpostors = 1;

+        LLVOAvatar::updateImpostorRendering(LLVOAvatar::sMaxNonImpostors);

+    }

+}

+

+void LLPipeline::releaseGLBuffers()

+{

+    assertInitialized();

+

+    if (mNoiseMap)

+    {

+        LLImageGL::deleteTextures(1, &mNoiseMap);

+        mNoiseMap = 0;

+    }

+

+    if (mTrueNoiseMap)

+    {

+        LLImageGL::deleteTextures(1, &mTrueNoiseMap);

+        mTrueNoiseMap = 0;

+    }

+

+    releaseLUTBuffers();

+

+    mWaterDis.release();

+    mBake.release();

+

+    mSceneMap.release();

+

+    mPostMap.release();

+

+    for (U32 i = 0; i < 3; i++)

+    {

+        mGlow[i].release();

+    }

+

+    releaseScreenBuffers();

+

+    gBumpImageList.destroyGL();

+    LLVOAvatar::resetImpostors();

+}

+

+void LLPipeline::releaseLUTBuffers()

+{

+    if (mLightFunc)

+    {

+        LLImageGL::deleteTextures(1, &mLightFunc);

+        mLightFunc = 0;

+    }

+

+    mPbrBrdfLut.release();

+

+    mExposureMap.release();

+    mLuminanceMap.release();

+    mLastExposure.release();

+

+}

+

+void LLPipeline::releaseShadowBuffers()

+{

+    releaseSunShadowTargets();

+    releaseSpotShadowTargets();

+}

+

+void LLPipeline::releaseScreenBuffers()

+{

+    mRT->uiScreen.release();

+    mRT->screen.release();

+    mRT->fxaaBuffer.release();

+    mRT->deferredScreen.release();

+    mRT->deferredLight.release();

+}

+

+void LLPipeline::releaseSunShadowTarget(U32 index)

+{

+    llassert(index < 4);

+    mRT->shadow[index].release();

+}

+

+void LLPipeline::releaseSunShadowTargets()

+{

+    for (U32 i = 0; i < 4; i++)

+    {

+        releaseSunShadowTarget(i);

+    }

+}

+

+void LLPipeline::releaseSpotShadowTargets()

+{

+    if (!gCubeSnapshot) // hack to avoid freeing spot shadows during ReflectionMapManager init

+    {

+        for (U32 i = 0; i < 2; i++)

+        {

+            mSpotShadow[i].release();

+        }

+    }

+}

+

+void LLPipeline::createGLBuffers()

+{

+    LL_PROFILE_ZONE_SCOPED_CATEGORY_PIPELINE;

+    stop_glerror();

+    assertInitialized();

+

+    // Use FBO for bake tex

+    mBake.allocate(512, 512, GL_RGBA, true); // SL-12781 Build > Upload > Model; 3D Preview

+

+    stop_glerror();

+

+    GLuint resX = gViewerWindow->getWorldViewWidthRaw();

+    GLuint resY = gViewerWindow->getWorldViewHeightRaw();

+

+    // allocate screen space glow buffers

+    const U32 glow_res = llmax(1, llmin(512, 1 << gSavedSettings.getS32("RenderGlowResolutionPow")));

+    const bool glow_hdr = gSavedSettings.getBOOL("RenderGlowHDR");

+    const U32 glow_color_fmt = glow_hdr ? GL_RGBA16F : GL_RGBA;

+    for (U32 i = 0; i < 3; i++)

+    {

+        mGlow[i].allocate(512, glow_res, glow_color_fmt);

+    }

+

+    allocateScreenBuffer(resX, resY);

+    mRT->width = 0;

+    mRT->height = 0;

+

+

+    if (!mNoiseMap)

+    {

+        const U32 noiseRes = 128;

+        LLVector3 noise[noiseRes*noiseRes];

+

+        F32 scaler = gSavedSettings.getF32("RenderDeferredNoise")/100.f;

+        for (U32 i = 0; i < noiseRes*noiseRes; ++i)

+        {

+            noise[i] = LLVector3(ll_frand()-0.5f, ll_frand()-0.5f, 0.f);

+            noise[i].normVec();

+            noise[i].mV[2] = ll_frand()*scaler+1.f-scaler/2.f;

+        }

+

+        LLImageGL::generateTextures(1, &mNoiseMap);

+

+        gGL.getTexUnit(0)->bindManual(LLTexUnit::TT_TEXTURE, mNoiseMap);

+        LLImageGL::setManualImage(LLTexUnit::getInternalType(LLTexUnit::TT_TEXTURE), 0, GL_RGB16F, noiseRes, noiseRes, GL_RGB, GL_FLOAT, noise, false);

+        gGL.getTexUnit(0)->setTextureFilteringOption(LLTexUnit::TFO_POINT);

+    }

+

+    if (!mTrueNoiseMap)

+    {

+        const U32 noiseRes = 128;

+        F32 noise[noiseRes*noiseRes*3];

+        for (U32 i = 0; i < noiseRes*noiseRes*3; i++)

+        {

+            noise[i] = ll_frand()*2.0-1.0;

+        }

+

+        LLImageGL::generateTextures(1, &mTrueNoiseMap);

+        gGL.getTexUnit(0)->bindManual(LLTexUnit::TT_TEXTURE, mTrueNoiseMap);

+        LLImageGL::setManualImage(LLTexUnit::getInternalType(LLTexUnit::TT_TEXTURE), 0, GL_RGB16F, noiseRes, noiseRes, GL_RGB,GL_FLOAT, noise, false);

+        gGL.getTexUnit(0)->setTextureFilteringOption(LLTexUnit::TFO_POINT);

+    }

+

+    createLUTBuffers();

+

+    gBumpImageList.restoreGL();

+}

+

+F32 lerpf(F32 a, F32 b, F32 w)

+{

+    return a + w * (b - a);

+}

+

+void LLPipeline::createLUTBuffers()

+{

+    if (!mLightFunc)

+    {

+        U32 lightResX = gSavedSettings.getU32("RenderSpecularResX");

+        U32 lightResY = gSavedSettings.getU32("RenderSpecularResY");

+        F32* ls = new F32[lightResX*lightResY];

+        F32 specExp = gSavedSettings.getF32("RenderSpecularExponent");

+        // Calculate the (normalized) blinn-phong specular lookup texture. (with a few tweaks)

+        for (U32 y = 0; y < lightResY; ++y)

+        {

+            for (U32 x = 0; x < lightResX; ++x)

+            {

+                ls[y*lightResX+x] = 0;

+                F32 sa = (F32) x/(lightResX-1);

+                F32 spec = (F32) y/(lightResY-1);

+                F32 n = spec * spec * specExp;

+

+                // Nothing special here.  Just your typical blinn-phong term.

+                spec = powf(sa, n);

+

+                // Apply our normalization function.

+                // Note: This is the full equation that applies the full normalization curve, not an approximation.

+                // This is fine, given we only need to create our LUT once per buffer initialization.

+                spec *= (((n + 2) * (n + 4)) / (8 * F_PI * (powf(2, -n/2) + n)));

+

+                // Since we use R16F, we no longer have a dynamic range issue we need to work around here.

+                // Though some older drivers may not like this, newer drivers shouldn't have this problem.

+                ls[y*lightResX+x] = spec;

+            }

+        }

+

+        U32 pix_format = GL_R16F;

+#if LL_DARWIN

+        // Need to work around limited precision with 10.6.8 and older drivers

+        //

+        pix_format = GL_R32F;

+#endif

+        LLImageGL::generateTextures(1, &mLightFunc);

+        gGL.getTexUnit(0)->bindManual(LLTexUnit::TT_TEXTURE, mLightFunc);

+        LLImageGL::setManualImage(LLTexUnit::getInternalType(LLTexUnit::TT_TEXTURE), 0, pix_format, lightResX, lightResY, GL_RED, GL_FLOAT, ls, false);

+        gGL.getTexUnit(0)->setTextureAddressMode(LLTexUnit::TAM_CLAMP);

+        gGL.getTexUnit(0)->setTextureFilteringOption(LLTexUnit::TFO_TRILINEAR);

+        glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);

+        glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);

+

+        delete [] ls;

+    }

+

+    mPbrBrdfLut.allocate(512, 512, GL_RG16F);

+    mPbrBrdfLut.bindTarget();

+    gDeferredGenBrdfLutProgram.bind();

+

+    gGL.begin(LLRender::TRIANGLE_STRIP);

+    gGL.vertex2f(-1, -1);

+    gGL.vertex2f(-1, 1);

+    gGL.vertex2f(1, -1);

+    gGL.vertex2f(1, 1);

+    gGL.end();

+    gGL.flush();

+

+    gDeferredGenBrdfLutProgram.unbind();

+    mPbrBrdfLut.flush();

+

+    mExposureMap.allocate(1, 1, GL_R16F);

+    mExposureMap.bindTarget();

+    glClearColor(1, 1, 1, 0);

+    mExposureMap.clear();

+    glClearColor(0, 0, 0, 0);

+    mExposureMap.flush();

+

+    mLuminanceMap.allocate(256, 256, GL_R16F, false, LLTexUnit::TT_TEXTURE, LLTexUnit::TMG_AUTO);

+

+    mLastExposure.allocate(1, 1, GL_R16F);

+}

+

+

+void LLPipeline::restoreGL()

+{

+    assertInitialized();

+

+    LLViewerShaderMgr::instance()->setShaders();

+

+    for (LLWorld::region_list_t::const_iterator iter = LLWorld::getInstance()->getRegionList().begin();

+            iter != LLWorld::getInstance()->getRegionList().end(); ++iter)

+    {

+        LLViewerRegion* region = *iter;

+        for (U32 i = 0; i < LLViewerRegion::NUM_PARTITIONS; i++)

+        {

+            LLSpatialPartition* part = region->getSpatialPartition(i);

+            if (part)

+            {

+                part->restoreGL();

+        }

+        }

+    }

+}

+

+bool LLPipeline::shadersLoaded()

+{

+    return (assertInitialized() && mShadersLoaded);

+}

+

+bool LLPipeline::canUseWindLightShaders() const

+{

+    return true;

+}

+

+bool LLPipeline::canUseAntiAliasing() const

+{

+    return true;

+}

+

+void LLPipeline::unloadShaders()

+{

+    LLViewerShaderMgr::instance()->unloadShaders();

+    mShadersLoaded = false;

+}

+

+void LLPipeline::assertInitializedDoError()

+{

+    LL_ERRS() << "LLPipeline used when uninitialized." << LL_ENDL;

+}

+

+//============================================================================

+

+void LLPipeline::enableShadows(const bool enable_shadows)

+{

+    //should probably do something here to wrangle shadows....

+}

+

+class LLOctreeDirtyTexture : public OctreeTraveler

+{

+public:

+    const std::set<LLViewerFetchedTexture*>& mTextures;

+

+    LLOctreeDirtyTexture(const std::set<LLViewerFetchedTexture*>& textures) : mTextures(textures) { }

+

+    virtual void visit(const OctreeNode* node)

+    {

+        LLSpatialGroup* group = (LLSpatialGroup*) node->getListener(0);

+

+        if (!group->hasState(LLSpatialGroup::GEOM_DIRTY) && !group->isEmpty())

+        {

+            for (LLSpatialGroup::draw_map_t::iterator i = group->mDrawMap.begin(); i != group->mDrawMap.end(); ++i)

+            {

+                for (LLSpatialGroup::drawmap_elem_t::iterator j = i->second.begin(); j != i->second.end(); ++j)

+                {

+                    LLDrawInfo* params = *j;

+                    LLViewerFetchedTexture* tex = LLViewerTextureManager::staticCastToFetchedTexture(params->mTexture);

+                    if (tex && mTextures.find(tex) != mTextures.end())

+                    {

+                        group->setState(LLSpatialGroup::GEOM_DIRTY);

+                    }

+                }

+            }

+        }

+

+        for (LLSpatialGroup::bridge_list_t::iterator i = group->mBridgeList.begin(); i != group->mBridgeList.end(); ++i)

+        {

+            LLSpatialBridge* bridge = *i;

+            traverse(bridge->mOctree);

+        }

+    }

+};

+

+// Called when a texture changes # of channels (causes faces to move to alpha pool)

+void LLPipeline::dirtyPoolObjectTextures(const std::set<LLViewerFetchedTexture*>& textures)

+{

+    LL_PROFILE_ZONE_SCOPED_CATEGORY_PIPELINE;

+    assertInitialized();

+

+    // *TODO: This is inefficient and causes frame spikes; need a better way to do this

+    //        Most of the time is spent in dirty.traverse.

+

+    for (pool_set_t::iterator iter = mPools.begin(); iter != mPools.end(); ++iter)

+    {

+        LLDrawPool *poolp = *iter;

+        if (poolp->isFacePool())

+        {

+            ((LLFacePool*) poolp)->dirtyTextures(textures);

+        }

+    }

+

+    LLOctreeDirtyTexture dirty(textures);

+    for (LLWorld::region_list_t::const_iterator iter = LLWorld::getInstance()->getRegionList().begin();

+            iter != LLWorld::getInstance()->getRegionList().end(); ++iter)

+    {

+        LLViewerRegion* region = *iter;

+        for (U32 i = 0; i < LLViewerRegion::NUM_PARTITIONS; i++)

+        {

+            LLSpatialPartition* part = region->getSpatialPartition(i);

+            if (part)

+            {

+                dirty.traverse(part->mOctree);

+            }

+        }

+    }

+}

+

+LLDrawPool *LLPipeline::findPool(const U32 type, LLViewerTexture *tex0)

+{

+    assertInitialized();

+

+    LLDrawPool *poolp = NULL;

+    switch( type )

+    {

+    case LLDrawPool::POOL_SIMPLE:

+        poolp = mSimplePool;

+        break;

+

+    case LLDrawPool::POOL_GRASS:

+        poolp = mGrassPool;

+        break;

+

+    case LLDrawPool::POOL_ALPHA_MASK:

+        poolp = mAlphaMaskPool;

+        break;

+

+    case LLDrawPool::POOL_FULLBRIGHT_ALPHA_MASK:

+        poolp = mFullbrightAlphaMaskPool;

+        break;

+

+    case LLDrawPool::POOL_FULLBRIGHT:

+        poolp = mFullbrightPool;

+        break;

+

+    case LLDrawPool::POOL_GLOW:

+        poolp = mGlowPool;

+        break;

+

+    case LLDrawPool::POOL_TREE:

+        poolp = get_if_there(mTreePools, (uintptr_t)tex0, (LLDrawPool*)0 );

+        break;

+

+    case LLDrawPool::POOL_TERRAIN:

+        poolp = get_if_there(mTerrainPools, (uintptr_t)tex0, (LLDrawPool*)0 );

+        break;

+

+    case LLDrawPool::POOL_BUMP:

+        poolp = mBumpPool;

+        break;

+    case LLDrawPool::POOL_MATERIALS:

+        poolp = mMaterialsPool;

+        break;

+    case LLDrawPool::POOL_ALPHA_PRE_WATER:

+        poolp = mAlphaPoolPreWater;

+        break;

+    case LLDrawPool::POOL_ALPHA_POST_WATER:

+        poolp = mAlphaPoolPostWater;

+        break;

+

+    case LLDrawPool::POOL_AVATAR:

+    case LLDrawPool::POOL_CONTROL_AV:

+        break; // Do nothing

+

+    case LLDrawPool::POOL_SKY:

+        poolp = mSkyPool;

+        break;

+

+    case LLDrawPool::POOL_WATER:

+        poolp = mWaterPool;

+        break;

+

+    case LLDrawPool::POOL_WL_SKY:

+        poolp = mWLSkyPool;

+        break;

+

+    case LLDrawPool::POOL_GLTF_PBR:

+        poolp = mPBROpaquePool;

+        break;

+    case LLDrawPool::POOL_GLTF_PBR_ALPHA_MASK:

+        poolp = mPBRAlphaMaskPool;

+        break;

+

+    default:

+        llassert(0);

+        LL_ERRS() << "Invalid Pool Type in  LLPipeline::findPool() type=" << type << LL_ENDL;

+        break;

+    }

+

+    return poolp;

+}

+

+

+LLDrawPool *LLPipeline::getPool(const U32 type, LLViewerTexture *tex0)

+{

+    LLDrawPool *poolp = findPool(type, tex0);

+    if (poolp)

+    {

+        return poolp;

+    }

+

+    LLDrawPool *new_poolp = LLDrawPool::createPool(type, tex0);

+    addPool( new_poolp );

+

+    return new_poolp;

+}

+

+

+// static

+LLDrawPool* LLPipeline::getPoolFromTE(const LLTextureEntry* te, LLViewerTexture* imagep)

+{

+    U32 type = getPoolTypeFromTE(te, imagep);

+    return gPipeline.getPool(type, imagep);

+}

+

+//static

+U32 LLPipeline::getPoolTypeFromTE(const LLTextureEntry* te, LLViewerTexture* imagep)

+{

+    if (!te || !imagep)

+    {

+        return 0;

+    }

+

+    LLMaterial* mat = te->getMaterialParams().get();

+    LLGLTFMaterial* gltf_mat = te->getGLTFRenderMaterial();

+

+    bool color_alpha = te->getColor().mV[3] < 0.999f;

+    bool alpha = color_alpha;

+    if (imagep)

+    {

+        alpha = alpha || (imagep->getComponents() == 4 && imagep->getType() != LLViewerTexture::MEDIA_TEXTURE) || (imagep->getComponents() == 2);

+    }

+

+    if (alpha && mat)

+    {

+        switch (mat->getDiffuseAlphaMode())

+        {

+            case 1:

+                alpha = true; // Material's alpha mode is set to blend.  Toss it into the alpha draw pool.

+                break;

+            case 0: //alpha mode set to none, never go to alpha pool

+            case 3: //alpha mode set to emissive, never go to alpha pool

+                alpha = color_alpha;

+                break;

+            default: //alpha mode set to "mask", go to alpha pool if fullbright

+                alpha = color_alpha; // Material's alpha mode is set to none, mask, or emissive.  Toss it into the opaque material draw pool.

+                break;

+        }

+    }

+

+    if (alpha || (gltf_mat && gltf_mat->mAlphaMode == LLGLTFMaterial::ALPHA_MODE_BLEND))

+    {

+        return LLDrawPool::POOL_ALPHA;

+    }

+    else if ((te->getBumpmap() || te->getShiny()) && (!mat || mat->getNormalID().isNull()))

+    {

+        return LLDrawPool::POOL_BUMP;

+    }

+    else if (gltf_mat)

+    {

+        return LLDrawPool::POOL_GLTF_PBR;

+    }

+    else if (mat && !alpha)

+    {

+        return LLDrawPool::POOL_MATERIALS;

+    }

+    else

+    {

+        return LLDrawPool::POOL_SIMPLE;

+    }

+}

+

+

+void LLPipeline::addPool(LLDrawPool *new_poolp)

+{

+    assertInitialized();

+    mPools.insert(new_poolp);

+    addToQuickLookup( new_poolp );

+}

+

+void LLPipeline::allocDrawable(LLViewerObject *vobj)

+{

+    LLDrawable *drawable = new LLDrawable(vobj);

+    vobj->mDrawable = drawable;

+

+    //encompass completely sheared objects by taking

+    //the most extreme point possible (<1,1,0.5>)

+    drawable->setRadius(LLVector3(1,1,0.5f).scaleVec(vobj->getScale()).length());

+    if (vobj->isOrphaned())

+    {

+        drawable->setState(LLDrawable::FORCE_INVISIBLE);

+    }

+    drawable->updateXform(true);

+}

+

+

+void LLPipeline::unlinkDrawable(LLDrawable *drawable)

+{

+    LL_PROFILE_ZONE_SCOPED_CATEGORY_PIPELINE;

+

+    assertInitialized();

+

+    LLPointer<LLDrawable> drawablep = drawable; // make sure this doesn't get deleted before we are done

+

+    // Based on flags, remove the drawable from the queues that it's on.

+    if (drawablep->isState(LLDrawable::ON_MOVE_LIST))

+    {

+        LLDrawable::drawable_vector_t::iterator iter = std::find(mMovedList.begin(), mMovedList.end(), drawablep);

+        if (iter != mMovedList.end())

+        {

+            mMovedList.erase(iter);

+        }

+    }

+

+    if (drawablep->getSpatialGroup())

+    {

+        if (!drawablep->getSpatialGroup()->getSpatialPartition()->remove(drawablep, drawablep->getSpatialGroup()))

+        {

+#ifdef LL_RELEASE_FOR_DOWNLOAD

+            LL_WARNS() << "Couldn't remove object from spatial group!" << LL_ENDL;

+#else

+            LL_ERRS() << "Couldn't remove object from spatial group!" << LL_ENDL;

+#endif

+        }

+    }

+

+    mLights.erase(drawablep);

+

+    for (light_set_t::iterator iter = mNearbyLights.begin();

+                iter != mNearbyLights.end(); iter++)

+    {

+        if (iter->drawable == drawablep)

+        {

+            mNearbyLights.erase(iter);

+            break;

+        }

+    }

+

+    for (U32 i = 0; i < 2; ++i)

+    {

+        if (mShadowSpotLight[i] == drawablep)

+        {

+            mShadowSpotLight[i] = NULL;

+        }

+

+        if (mTargetShadowSpotLight[i] == drawablep)

+        {

+            mTargetShadowSpotLight[i] = NULL;

+        }

+    }

+}

+

+//static

+void LLPipeline::removeMutedAVsLights(LLVOAvatar* muted_avatar)

+{

+    LL_PROFILE_ZONE_SCOPED_CATEGORY_PIPELINE;

+    light_set_t::iterator iter = gPipeline.mNearbyLights.begin();

+    while (iter != gPipeline.mNearbyLights.end())

+    {

+        const LLViewerObject* vobj = iter->drawable->getVObj();

+        if (vobj

+            && vobj->getAvatar()

+            && vobj->isAttachment()

+            && vobj->getAvatar() == muted_avatar)

+        {

+            gPipeline.mLights.erase(iter->drawable);

+            iter = gPipeline.mNearbyLights.erase(iter);

+        }

+        else

+        {

+            iter++;

+        }

+    }

+}

+

+U32 LLPipeline::addObject(LLViewerObject *vobj)

+{

+    if (RenderDelayCreation)

+    {

+        mCreateQ.push_back(vobj);

+    }

+    else

+    {

+        createObject(vobj);

+    }

+

+    return 1;

+}

+

+void LLPipeline::createObjects(F32 max_dtime)

+{

+    LL_PROFILE_ZONE_SCOPED_CATEGORY_PIPELINE;

+

+    LLTimer update_timer;

+

+    while (!mCreateQ.empty() && update_timer.getElapsedTimeF32() < max_dtime)

+    {

+        LLViewerObject* vobj = mCreateQ.front();

+        if (!vobj->isDead())

+        {

+            createObject(vobj);

+        }

+        mCreateQ.pop_front();

+    }

+

+    //for (LLViewerObject::vobj_list_t::iterator iter = mCreateQ.begin(); iter != mCreateQ.end(); ++iter)

+    //{

+    //  createObject(*iter);

+    //}

+

+    //mCreateQ.clear();

+}

+

+void LLPipeline::createObject(LLViewerObject* vobj)

+{

+    LL_PROFILE_ZONE_SCOPED_CATEGORY_PIPELINE;

+    LLDrawable* drawablep = vobj->mDrawable;

+

+    if (!drawablep)

+    {

+        drawablep = vobj->createDrawable(this);

+    }

+    else

+    {

+        LL_ERRS() << "Redundant drawable creation!" << LL_ENDL;

+    }

+

+    llassert(drawablep);

+

+    if (vobj->getParent())

+    {

+        vobj->setDrawableParent(((LLViewerObject*)vobj->getParent())->mDrawable); // LLPipeline::addObject 1

+    }

+    else

+    {

+        vobj->setDrawableParent(NULL); // LLPipeline::addObject 2

+    }

+

+    markRebuild(drawablep, LLDrawable::REBUILD_ALL);

+

+    if (drawablep->getVOVolume() && RenderAnimateRes)

+    {

+        // fun animated res

+        drawablep->updateXform(true);

+        drawablep->clearState(LLDrawable::MOVE_UNDAMPED);

+        drawablep->setScale(LLVector3(0,0,0));

+        drawablep->makeActive();

+    }

+}

+

+

+void LLPipeline::resetFrameStats()

+{

+    LL_PROFILE_ZONE_SCOPED_CATEGORY_PIPELINE;

+    assertInitialized();

+

+    sCompiles        = 0;

+    mNumVisibleFaces = 0;

+

+    if (mOldRenderDebugMask != mRenderDebugMask)

+    {

+        gObjectList.clearDebugText();

+        mOldRenderDebugMask = mRenderDebugMask;

+    }

+}

+

+//external functions for asynchronous updating

+void LLPipeline::updateMoveDampedAsync(LLDrawable* drawablep)

+{

+    LL_PROFILE_ZONE_SCOPED;

+    if (FreezeTime)

+    {

+        return;

+    }

+    if (!drawablep)

+    {

+        LL_ERRS() << "updateMove called with NULL drawablep" << LL_ENDL;

+        return;

+    }

+    if (drawablep->isState(LLDrawable::EARLY_MOVE))

+    {

+        return;

+    }

+

+    assertInitialized();

+

+    // update drawable now

+    drawablep->clearState(LLDrawable::MOVE_UNDAMPED); // force to DAMPED

+    drawablep->updateMove(); // returns done

+    drawablep->setState(LLDrawable::EARLY_MOVE); // flag says we already did an undamped move this frame

+    // Put on move list so that EARLY_MOVE gets cleared

+    if (!drawablep->isState(LLDrawable::ON_MOVE_LIST))

+    {

+        mMovedList.push_back(drawablep);

+        drawablep->setState(LLDrawable::ON_MOVE_LIST);

+    }

+}

+

+void LLPipeline::updateMoveNormalAsync(LLDrawable* drawablep)

+{

+    LL_PROFILE_ZONE_SCOPED;

+    if (FreezeTime)

+    {

+        return;

+    }

+    if (!drawablep)

+    {

+        LL_ERRS() << "updateMove called with NULL drawablep" << LL_ENDL;

+        return;

+    }

+    if (drawablep->isState(LLDrawable::EARLY_MOVE))

+    {

+        return;

+    }

+

+    assertInitialized();

+

+    // update drawable now

+    drawablep->setState(LLDrawable::MOVE_UNDAMPED); // force to UNDAMPED

+    drawablep->updateMove();

+    drawablep->setState(LLDrawable::EARLY_MOVE); // flag says we already did an undamped move this frame

+    // Put on move list so that EARLY_MOVE gets cleared

+    if (!drawablep->isState(LLDrawable::ON_MOVE_LIST))

+    {

+        mMovedList.push_back(drawablep);

+        drawablep->setState(LLDrawable::ON_MOVE_LIST);

+    }

+}

+

+void LLPipeline::updateMovedList(LLDrawable::drawable_vector_t& moved_list)

+{

+    LL_PROFILE_ZONE_SCOPED;

+    for (LLDrawable::drawable_vector_t::iterator iter = moved_list.begin();

+         iter != moved_list.end(); )

+    {

+        LLDrawable::drawable_vector_t::iterator curiter = iter++;

+        LLDrawable *drawablep = *curiter;

+        bool done = true;

+        if (!drawablep->isDead() && (!drawablep->isState(LLDrawable::EARLY_MOVE)))

+        {

+            done = drawablep->updateMove();

+        }

+        drawablep->clearState(LLDrawable::EARLY_MOVE | LLDrawable::MOVE_UNDAMPED);

+        if (done)

+        {

+            if (drawablep->isRoot() && !drawablep->isState(LLDrawable::ACTIVE))

+            {

+                drawablep->makeStatic();

+            }

+            drawablep->clearState(LLDrawable::ON_MOVE_LIST);

+            if (drawablep->isState(LLDrawable::ANIMATED_CHILD))

+            { //will likely not receive any future world matrix updates

+                // -- this keeps attachments from getting stuck in space and falling off your avatar

+                drawablep->clearState(LLDrawable::ANIMATED_CHILD);

+                markRebuild(drawablep, LLDrawable::REBUILD_VOLUME);

+                if (drawablep->getVObj())

+                {

+                    drawablep->getVObj()->dirtySpatialGroup();

+                }

+            }

+            iter = moved_list.erase(curiter);

+        }

+    }

+}

+

+void LLPipeline::updateMove()

+{

+    LL_PROFILE_ZONE_SCOPED_CATEGORY_PIPELINE;

+

+    if (FreezeTime)

+    {

+        return;

+    }

+

+    assertInitialized();

+

+    for (LLDrawable::drawable_set_t::iterator iter = mRetexturedList.begin();

+            iter != mRetexturedList.end(); ++iter)

+    {

+        LLDrawable* drawablep = *iter;

+        if (drawablep && !drawablep->isDead())

+        {

+            drawablep->updateTexture();

+        }

+    }

+    mRetexturedList.clear();

+

+    updateMovedList(mMovedList);

+

+    //balance octrees

+    for (LLWorld::region_list_t::const_iterator iter = LLWorld::getInstance()->getRegionList().begin();

+        iter != LLWorld::getInstance()->getRegionList().end(); ++iter)

+    {

+        LLViewerRegion* region = *iter;

+        for (U32 i = 0; i < LLViewerRegion::NUM_PARTITIONS; i++)

+        {

+            LLSpatialPartition* part = region->getSpatialPartition(i);

+            if (part)

+            {

+                part->mOctree->balance();

+            }

+        }

+

+        //balance the VO Cache tree

+        LLVOCachePartition* vo_part = region->getVOCachePartition();

+        if(vo_part)

+        {

+            vo_part->mOctree->balance();

+        }

+    }

+}

+

+/////////////////////////////////////////////////////////////////////////////

+// Culling and occlusion testing

+/////////////////////////////////////////////////////////////////////////////

+

+//static

+F32 LLPipeline::calcPixelArea(LLVector3 center, LLVector3 size, LLCamera &camera)

+{

+    llassert(!gCubeSnapshot); // shouldn't be doing ANY of this during cube snap shots

+    LLVector3 lookAt = center - camera.getOrigin();

+    F32 dist = lookAt.length();

+

+    //ramp down distance for nearby objects

+    //shrink dist by dist/16.

+    if (dist < 16.f)

+    {

+        dist /= 16.f;

+        dist *= dist;

+        dist *= 16.f;

+    }

+

+    //get area of circle around node

+    F32 app_angle = atanf(size.length()/dist);

+    F32 radius = app_angle*LLDrawable::sCurPixelAngle;

+    return radius*radius * F_PI;

+}

+

+//static

+F32 LLPipeline::calcPixelArea(const LLVector4a& center, const LLVector4a& size, LLCamera &camera)

+{

+    LLVector4a origin;

+    origin.load3(camera.getOrigin().mV);

+

+    LLVector4a lookAt;

+    lookAt.setSub(center, origin);

+    F32 dist = lookAt.getLength3().getF32();

+

+    //ramp down distance for nearby objects

+    //shrink dist by dist/16.

+    if (dist < 16.f)

+    {

+        dist /= 16.f;

+        dist *= dist;

+        dist *= 16.f;

+    }

+

+    //get area of circle around node

+    F32 app_angle = atanf(size.getLength3().getF32()/dist);

+    F32 radius = app_angle*LLDrawable::sCurPixelAngle;

+    return radius*radius * F_PI;

+}

+

+void LLPipeline::grabReferences(LLCullResult& result)

+{

+    sCull = &result;

+}

+

+void LLPipeline::clearReferences()

+{

+    LL_PROFILE_ZONE_SCOPED_CATEGORY_PIPELINE;

+    sCull = NULL;

+    mGroupSaveQ1.clear();

+}

+

+void check_references(LLSpatialGroup* group, LLDrawable* drawable)

+{

+    for (LLSpatialGroup::element_iter i = group->getDataBegin(); i != group->getDataEnd(); ++i)

+    {

+        LLDrawable* drawablep = (LLDrawable*)(*i)->getDrawable();

+        if (drawable == drawablep)

+        {

+            LL_ERRS() << "LLDrawable deleted while actively reference by LLPipeline." << LL_ENDL;

+        }

+    }

+}

+

+void check_references(LLDrawable* drawable, LLFace* face)

+{

+    for (S32 i = 0; i < drawable->getNumFaces(); ++i)

+    {

+        if (drawable->getFace(i) == face)

+        {

+            LL_ERRS() << "LLFace deleted while actively referenced by LLPipeline." << LL_ENDL;

+        }

+    }

+}

+

+void check_references(LLSpatialGroup* group, LLFace* face)

+{

+    for (LLSpatialGroup::element_iter i = group->getDataBegin(); i != group->getDataEnd(); ++i)

+    {

+        LLDrawable* drawable = (LLDrawable*)(*i)->getDrawable();

+        if(drawable)

+        {

+        check_references(drawable, face);

+    }

+}

+}

+

+void LLPipeline::checkReferences(LLFace* face)

+{

+#if 0

+    if (sCull)

+    {

+        for (LLCullResult::sg_iterator iter = sCull->beginVisibleGroups(); iter != sCull->endVisibleGroups(); ++iter)

+        {

+            LLSpatialGroup* group = *iter;

+            check_references(group, face);

+        }

+

+        for (LLCullResult::sg_iterator iter = sCull->beginAlphaGroups(); iter != sCull->endAlphaGroups(); ++iter)

+        {

+            LLSpatialGroup* group = *iter;

+            check_references(group, face);

+        }

+

+        for (LLCullResult::sg_iterator iter = sCull->beginDrawableGroups(); iter != sCull->endDrawableGroups(); ++iter)

+        {

+            LLSpatialGroup* group = *iter;

+            check_references(group, face);

+        }

+

+        for (LLCullResult::drawable_iterator iter = sCull->beginVisibleList(); iter != sCull->endVisibleList(); ++iter)

+        {

+            LLDrawable* drawable = *iter;

+            check_references(drawable, face);

+        }

+    }

+#endif

+}

+

+void LLPipeline::checkReferences(LLDrawable* drawable)

+{

+#if 0

+    if (sCull)

+    {

+        for (LLCullResult::sg_iterator iter = sCull->beginVisibleGroups(); iter != sCull->endVisibleGroups(); ++iter)

+        {

+            LLSpatialGroup* group = *iter;

+            check_references(group, drawable);

+        }

+

+        for (LLCullResult::sg_iterator iter = sCull->beginAlphaGroups(); iter != sCull->endAlphaGroups(); ++iter)

+        {

+            LLSpatialGroup* group = *iter;

+            check_references(group, drawable);

+        }

+

+        for (LLCullResult::sg_iterator iter = sCull->beginDrawableGroups(); iter != sCull->endDrawableGroups(); ++iter)

+        {

+            LLSpatialGroup* group = *iter;

+            check_references(group, drawable);

+        }

+

+        for (LLCullResult::drawable_iterator iter = sCull->beginVisibleList(); iter != sCull->endVisibleList(); ++iter)

+        {

+            if (drawable == *iter)

+            {

+                LL_ERRS() << "LLDrawable deleted while actively referenced by LLPipeline." << LL_ENDL;

+            }

+        }

+    }

+#endif

+}

+

+void check_references(LLSpatialGroup* group, LLDrawInfo* draw_info)

+{

+    for (LLSpatialGroup::draw_map_t::iterator i = group->mDrawMap.begin(); i != group->mDrawMap.end(); ++i)

+    {

+        LLSpatialGroup::drawmap_elem_t& draw_vec = i->second;

+        for (LLSpatialGroup::drawmap_elem_t::iterator j = draw_vec.begin(); j != draw_vec.end(); ++j)

+        {

+            LLDrawInfo* params = *j;

+            if (params == draw_info)

+            {

+                LL_ERRS() << "LLDrawInfo deleted while actively referenced by LLPipeline." << LL_ENDL;

+            }

+        }

+    }

+}

+

+

+void LLPipeline::checkReferences(LLDrawInfo* draw_info)

+{

+#if 0

+    if (sCull)

+    {

+        for (LLCullResult::sg_iterator iter = sCull->beginVisibleGroups(); iter != sCull->endVisibleGroups(); ++iter)

+        {

+            LLSpatialGroup* group = *iter;

+            check_references(group, draw_info);

+        }

+

+        for (LLCullResult::sg_iterator iter = sCull->beginAlphaGroups(); iter != sCull->endAlphaGroups(); ++iter)

+        {

+            LLSpatialGroup* group = *iter;

+            check_references(group, draw_info);

+        }

+

+        for (LLCullResult::sg_iterator iter = sCull->beginDrawableGroups(); iter != sCull->endDrawableGroups(); ++iter)

+        {

+            LLSpatialGroup* group = *iter;

+            check_references(group, draw_info);

+        }

+    }

+#endif

+}

+

+void LLPipeline::checkReferences(LLSpatialGroup* group)

+{

+#if CHECK_PIPELINE_REFERENCES

+    if (sCull)

+    {

+        for (LLCullResult::sg_iterator iter = sCull->beginVisibleGroups(); iter != sCull->endVisibleGroups(); ++iter)

+        {

+            if (group == *iter)

+            {

+                LL_ERRS() << "LLSpatialGroup deleted while actively referenced by LLPipeline." << LL_ENDL;

+            }

+        }

+

+        for (LLCullResult::sg_iterator iter = sCull->beginAlphaGroups(); iter != sCull->endAlphaGroups(); ++iter)

+        {

+            if (group == *iter)

+            {

+                LL_ERRS() << "LLSpatialGroup deleted while actively referenced by LLPipeline." << LL_ENDL;

+            }

+        }

+

+        for (LLCullResult::sg_iterator iter = sCull->beginDrawableGroups(); iter != sCull->endDrawableGroups(); ++iter)

+        {

+            if (group == *iter)

+            {

+                LL_ERRS() << "LLSpatialGroup deleted while actively referenced by LLPipeline." << LL_ENDL;

+            }

+        }

+    }

+#endif

+}

+

+

+bool LLPipeline::visibleObjectsInFrustum(LLCamera& camera)

+{

+    for (LLWorld::region_list_t::const_iterator iter = LLWorld::getInstance()->getRegionList().begin();

+            iter != LLWorld::getInstance()->getRegionList().end(); ++iter)

+    {

+        LLViewerRegion* region = *iter;

+

+        for (U32 i = 0; i < LLViewerRegion::NUM_PARTITIONS; i++)

+        {

+            LLSpatialPartition* part = region->getSpatialPartition(i);

+            if (part)

+            {

+                if (hasRenderType(part->mDrawableType))

+                {

+                    if (part->visibleObjectsInFrustum(camera))

+                    {

+                        return true;

+                    }

+                }

+            }

+        }

+    }

+

+    return false;

+}

+

+bool LLPipeline::getVisibleExtents(LLCamera& camera, LLVector3& min, LLVector3& max)

+{

+    const F32 X = 65536.f;

+

+    min = LLVector3(X,X,X);

+    max = LLVector3(-X,-X,-X);

+

+    LLViewerCamera::eCameraID saved_camera_id = LLViewerCamera::sCurCameraID;

+    LLViewerCamera::sCurCameraID = LLViewerCamera::CAMERA_WORLD;

+

+    bool res = true;

+

+    for (LLWorld::region_list_t::const_iterator iter = LLWorld::getInstance()->getRegionList().begin();

+            iter != LLWorld::getInstance()->getRegionList().end(); ++iter)

+    {

+        LLViewerRegion* region = *iter;

+

+        for (U32 i = 0; i < LLViewerRegion::NUM_PARTITIONS; i++)

+        {

+            LLSpatialPartition* part = region->getSpatialPartition(i);

+            if (part)

+            {

+                if (hasRenderType(part->mDrawableType))

+                {

+                    if (!part->getVisibleExtents(camera, min, max))

+                    {

+                        res = false;

+                    }

+                }

+            }

+        }

+    }

+

+    LLViewerCamera::sCurCameraID = saved_camera_id;

+    return res;

+}

+

+static LLTrace::BlockTimerStatHandle FTM_CULL("Object Culling");

+

+// static

+bool LLPipeline::isWaterClip()

+{

+    return (!sRenderTransparentWater || gCubeSnapshot) && !sRenderingHUDs;

+}

+

+void LLPipeline::updateCull(LLCamera& camera, LLCullResult& result)

+{

+    LL_PROFILE_ZONE_SCOPED_CATEGORY_PIPELINE; //LL_RECORD_BLOCK_TIME(FTM_CULL);

+    LL_PROFILE_GPU_ZONE("updateCull"); // should always be zero GPU time, but drop a timer to flush stuff out

+

+    bool water_clip = isWaterClip();

+

+    if (water_clip)

+    {

+

+        LLVector3 pnorm;

+

+        F32 water_height = LLEnvironment::instance().getWaterHeight();

+

+        if (sUnderWaterRender)

+        {

+            //camera is below water, cull above water

+            pnorm.setVec(0, 0, 1);

+        }

+        else

+        {

+            //camera is above water, cull below water

+            pnorm = LLVector3(0, 0, -1);

+        }

+

+        LLPlane plane;

+        plane.setVec(LLVector3(0, 0, water_height), pnorm);

+

+        camera.setUserClipPlane(plane);

+    }

+    else

+    {

+        camera.disableUserClipPlane();

+    }

+

+    grabReferences(result);

+

+    sCull->clear();

+

+    for (LLWorld::region_list_t::const_iterator iter = LLWorld::getInstance()->getRegionList().begin();

+            iter != LLWorld::getInstance()->getRegionList().end(); ++iter)

+    {

+        LLViewerRegion* region = *iter;

+

+        for (U32 i = 0; i < LLViewerRegion::NUM_PARTITIONS; i++)

+        {

+            LLSpatialPartition* part = region->getSpatialPartition(i);

+            if (part)

+            {

+                if (hasRenderType(part->mDrawableType))

+                {

+                    part->cull(camera);

+                }

+            }

+        }

+

+        //scan the VO Cache tree

+        LLVOCachePartition* vo_part = region->getVOCachePartition();

+        if(vo_part)

+        {

+            vo_part->cull(camera, sUseOcclusion > 0);

+        }

+    }

+

+    if (hasRenderType(LLPipeline::RENDER_TYPE_SKY) &&

+        gSky.mVOSkyp.notNull() &&

+        gSky.mVOSkyp->mDrawable.notNull())

+    {

+        gSky.mVOSkyp->mDrawable->setVisible(camera);

+        sCull->pushDrawable(gSky.mVOSkyp->mDrawable);

+        gSky.updateCull();

+        stop_glerror();

+    }

+

+    if (hasRenderType(LLPipeline::RENDER_TYPE_WL_SKY) &&

+        gPipeline.canUseWindLightShaders() &&

+        gSky.mVOWLSkyp.notNull() &&

+        gSky.mVOWLSkyp->mDrawable.notNull())

+    {

+        gSky.mVOWLSkyp->mDrawable->setVisible(camera);

+        sCull->pushDrawable(gSky.mVOWLSkyp->mDrawable);

+    }

+}

+

+void LLPipeline::markNotCulled(LLSpatialGroup* group, LLCamera& camera)

+{

+    if (group->isEmpty())

+    {

+        return;

+    }

+

+    group->setVisible();

+

+    if (LLViewerCamera::sCurCameraID == LLViewerCamera::CAMERA_WORLD && !gCubeSnapshot)

+    {

+        group->updateDistance(camera);

+    }

+

+    assertInitialized();

+

+    if (!group->getSpatialPartition()->mRenderByGroup)

+    { //render by drawable

+        sCull->pushDrawableGroup(group);

+    }

+    else

+    {   //render by group

+        sCull->pushVisibleGroup(group);

+    }

+

+    if (group->needsUpdate() ||

+        group->getVisible(LLViewerCamera::sCurCameraID) < LLDrawable::getCurrentFrame() - 1)

+    {

+        // include this group in occlusion groups, not because it is an occluder, but because we want to run

+        // an occlusion query to find out if it's an occluder

+        markOccluder(group);

+    }

+    mNumVisibleNodes++;

+}

+

+void LLPipeline::markOccluder(LLSpatialGroup* group)

+{

+    if (sUseOcclusion > 1 && group && !group->isOcclusionState(LLSpatialGroup::ACTIVE_OCCLUSION))

+    {

+        LLSpatialGroup* parent = group->getParent();

+

+        if (!parent || !parent->isOcclusionState(LLSpatialGroup::OCCLUDED))

+        { //only mark top most occluders as active occlusion

+            sCull->pushOcclusionGroup(group);

+            group->setOcclusionState(LLSpatialGroup::ACTIVE_OCCLUSION);

+

+            if (parent &&

+                !parent->isOcclusionState(LLSpatialGroup::ACTIVE_OCCLUSION) &&

+                parent->getElementCount() == 0 &&

+                parent->needsUpdate())

+            {

+                sCull->pushOcclusionGroup(group);

+                parent->setOcclusionState(LLSpatialGroup::ACTIVE_OCCLUSION);

+            }

+        }

+    }

+}

+

+void LLPipeline::doOcclusion(LLCamera& camera)

+{

+    LL_PROFILE_ZONE_SCOPED_CATEGORY_PIPELINE;

+    LL_PROFILE_GPU_ZONE("doOcclusion");

+    llassert(!gCubeSnapshot);

+

+    if (sReflectionProbesEnabled && sUseOcclusion > 1 && !LLPipeline::sShadowRender && !gCubeSnapshot)

+    {

+        gGL.setColorMask(false, false);

+        LLGLDepthTest depth(GL_TRUE, GL_FALSE);

+        LLGLDisable cull(GL_CULL_FACE);

+

+        gOcclusionCubeProgram.bind();

+

+        if (mCubeVB.isNull())

+        { //cube VB will be used for issuing occlusion queries

+            mCubeVB = ll_create_cube_vb(LLVertexBuffer::MAP_VERTEX);

+        }

+        mCubeVB->setBuffer();

+

+        mReflectionMapManager.doOcclusion();

+        gOcclusionCubeProgram.unbind();

+

+        gGL.setColorMask(true, true);

+    }

+

+    if (LLPipeline::sUseOcclusion > 1 &&

+        (sCull->hasOcclusionGroups() || LLVOCachePartition::sNeedsOcclusionCheck))

+    {

+        LLVertexBuffer::unbind();

+

+        gGL.setColorMask(false, false);

+

+        LLGLDisable blend(GL_BLEND);

+        gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);

+        LLGLDepthTest depth(GL_TRUE, GL_FALSE);

+

+        LLGLDisable cull(GL_CULL_FACE);

+

+        gOcclusionCubeProgram.bind();

+

+        if (mCubeVB.isNull())

+        { //cube VB will be used for issuing occlusion queries

+            mCubeVB = ll_create_cube_vb(LLVertexBuffer::MAP_VERTEX);

+        }

+        mCubeVB->setBuffer();

+

+        for (LLCullResult::sg_iterator iter = sCull->beginOcclusionGroups(); iter != sCull->endOcclusionGroups(); ++iter)

+        {

+            LLSpatialGroup* group = *iter;

+            if (!group->isDead())

+            {

+                group->doOcclusion(&camera);

+                group->clearOcclusionState(LLSpatialGroup::ACTIVE_OCCLUSION);

+            }

+        }

+

+        //apply occlusion culling to object cache tree

+        for (LLWorld::region_list_t::const_iterator iter = LLWorld::getInstance()->getRegionList().begin();

+            iter != LLWorld::getInstance()->getRegionList().end(); ++iter)

+        {

+            LLVOCachePartition* vo_part = (*iter)->getVOCachePartition();

+            if(vo_part)

+            {

+                vo_part->processOccluders(&camera);

+            }

+        }

+

+        gGL.setColorMask(true, true);

+    }

+}

+

+bool LLPipeline::updateDrawableGeom(LLDrawable* drawablep)

+{

+    bool update_complete = drawablep->updateGeometry();

+    if (update_complete && assertInitialized())

+    {

+        drawablep->setState(LLDrawable::BUILT);

+    }

+    return update_complete;

+}

+

+void LLPipeline::updateGL()

+{

+    LL_PROFILE_ZONE_SCOPED_CATEGORY_PIPELINE;

+    {

+        while (!LLGLUpdate::sGLQ.empty())

+        {

+            LLGLUpdate* glu = LLGLUpdate::sGLQ.front();

+            glu->updateGL();

+            glu->mInQ = false;

+            LLGLUpdate::sGLQ.pop_front();

+        }

+    }

+}

+

+void LLPipeline::clearRebuildGroups()

+{

+    LL_PROFILE_ZONE_SCOPED_CATEGORY_PIPELINE;

+    LLSpatialGroup::sg_vector_t hudGroups;

+

+    mGroupQ1Locked = true;

+    // Iterate through all drawables on the priority build queue,

+    for (LLSpatialGroup::sg_vector_t::iterator iter = mGroupQ1.begin();

+         iter != mGroupQ1.end(); ++iter)

+    {

+        LLSpatialGroup* group = *iter;

+

+        // If the group contains HUD objects, save the group

+        if (group->isHUDGroup())

+        {

+            hudGroups.push_back(group);

+        }

+        // Else, no HUD objects so clear the build state

+        else

+        {

+            group->clearState(LLSpatialGroup::IN_BUILD_Q1);

+        }

+    }

+

+    // Clear the group

+    mGroupQ1.clear();

+

+    // Copy the saved HUD groups back in

+    mGroupQ1.assign(hudGroups.begin(), hudGroups.end());

+    mGroupQ1Locked = false;

+}

+

+void LLPipeline::clearRebuildDrawables()

+{

+    // Clear all drawables on the priority build queue,

+    for (LLDrawable::drawable_list_t::iterator iter = mBuildQ1.begin();

+         iter != mBuildQ1.end(); ++iter)

+    {

+        LLDrawable* drawablep = *iter;

+        if (drawablep && !drawablep->isDead())

+        {

+            drawablep->clearState(LLDrawable::IN_REBUILD_Q);

+        }

+    }

+    mBuildQ1.clear();

+

+    //clear all moving bridges

+    for (LLDrawable::drawable_vector_t::iterator iter = mMovedBridge.begin();

+         iter != mMovedBridge.end(); ++iter)

+    {

+        LLDrawable *drawablep = *iter;

+        drawablep->clearState(LLDrawable::EARLY_MOVE | LLDrawable::MOVE_UNDAMPED | LLDrawable::ON_MOVE_LIST | LLDrawable::ANIMATED_CHILD);

+    }

+    mMovedBridge.clear();

+

+    //clear all moving drawables

+    for (LLDrawable::drawable_vector_t::iterator iter = mMovedList.begin();

+         iter != mMovedList.end(); ++iter)

+    {

+        LLDrawable *drawablep = *iter;

+        drawablep->clearState(LLDrawable::EARLY_MOVE | LLDrawable::MOVE_UNDAMPED | LLDrawable::ON_MOVE_LIST | LLDrawable::ANIMATED_CHILD);

+    }

+    mMovedList.clear();

+

+    for (LLDrawable::drawable_vector_t::iterator iter = mShiftList.begin();

+        iter != mShiftList.end(); ++iter)

+    {

+        LLDrawable *drawablep = *iter;

+        drawablep->clearState(LLDrawable::EARLY_MOVE | LLDrawable::MOVE_UNDAMPED | LLDrawable::ON_MOVE_LIST | LLDrawable::ANIMATED_CHILD | LLDrawable::ON_SHIFT_LIST);

+    }

+    mShiftList.clear();

+}

+

+void LLPipeline::rebuildPriorityGroups()

+{

+    LL_PROFILE_ZONE_SCOPED_CATEGORY_PIPELINE;

+    LL_PROFILE_GPU_ZONE("rebuildPriorityGroups");

+

+    LLTimer update_timer;

+    assertInitialized();

+

+    gMeshRepo.notifyLoadedMeshes();

+

+    mGroupQ1Locked = true;

+    // Iterate through all drawables on the priority build queue,

+    for (LLSpatialGroup::sg_vector_t::iterator iter = mGroupQ1.begin();

+         iter != mGroupQ1.end(); ++iter)

+    {

+        LLSpatialGroup* group = *iter;

+        group->rebuildGeom();

+        group->clearState(LLSpatialGroup::IN_BUILD_Q1);

+    }

+

+    mGroupSaveQ1 = mGroupQ1;

+    mGroupQ1.clear();

+    mGroupQ1Locked = false;

+

+}

+

+void LLPipeline::updateGeom(F32 max_dtime)

+{

+    LLTimer update_timer;

+    LLPointer<LLDrawable> drawablep;

+

+    LL_RECORD_BLOCK_TIME(FTM_GEO_UPDATE);

+    if (gCubeSnapshot)

+    {

+        return;

+    }

+

+    assertInitialized();

+

+    // notify various object types to reset internal cost metrics, etc.

+    // for now, only LLVOVolume does this to throttle LOD changes

+    LLVOVolume::preUpdateGeom();

+

+    // Iterate through all drawables on the priority build queue,

+    for (LLDrawable::drawable_list_t::iterator iter = mBuildQ1.begin();

+         iter != mBuildQ1.end();)

+    {

+        LLDrawable::drawable_list_t::iterator curiter = iter++;

+        LLDrawable* drawablep = *curiter;

+        if (drawablep && !drawablep->isDead())

+        {

+            if (drawablep->isUnload())

+            {

+                drawablep->unload();

+                drawablep->clearState(LLDrawable::FOR_UNLOAD);

+            }

+

+            if (updateDrawableGeom(drawablep))

+            {

+                drawablep->clearState(LLDrawable::IN_REBUILD_Q);

+                mBuildQ1.erase(curiter);

+            }

+        }

+        else

+        {

+            mBuildQ1.erase(curiter);

+        }

+    }

+

+    updateMovedList(mMovedBridge);

+}

+

+void LLPipeline::markVisible(LLDrawable *drawablep, LLCamera& camera)

+{

+    if(drawablep && !drawablep->isDead())

+    {

+        if (drawablep->isSpatialBridge())

+        {

+            const LLDrawable* root = ((LLSpatialBridge*) drawablep)->mDrawable;

+            llassert(root); // trying to catch a bad assumption

+

+            if (root && //  // this test may not be needed, see above

+                    root->getVObj()->isAttachment())

+            {

+                LLDrawable* rootparent = root->getParent();

+                if (rootparent) // this IS sometimes NULL

+                {

+                    LLViewerObject *vobj = rootparent->getVObj();

+                    llassert(vobj); // trying to catch a bad assumption

+                    if (vobj) // this test may not be needed, see above

+                    {

+                        LLVOAvatar* av = vobj->asAvatar();

+                        if (av &&

+                            ((!sImpostorRender && av->isImpostor()) //ignore impostor flag during impostor pass

+                             || av->isInMuteList()

+                             || (LLVOAvatar::AOA_JELLYDOLL == av->getOverallAppearance() && !av->needsImpostorUpdate()) ))

+                        {

+                            return;

+                        }

+                    }

+                }

+            }

+            sCull->pushBridge((LLSpatialBridge*) drawablep);

+        }

+        else

+        {

+

+            sCull->pushDrawable(drawablep);

+        }

+

+        drawablep->setVisible(camera);

+    }

+}

+

+void LLPipeline::markMoved(LLDrawable *drawablep, bool damped_motion)

+{

+    if (!drawablep)

+    {

+        //LL_ERRS() << "Sending null drawable to moved list!" << LL_ENDL;

+        return;

+    }

+

+    if (drawablep->isDead())

+    {

+        LL_WARNS() << "Marking NULL or dead drawable moved!" << LL_ENDL;

+        return;

+    }

+

+    if (drawablep->getParent())

+    {

+        //ensure that parent drawables are moved first

+        markMoved(drawablep->getParent(), damped_motion);

+    }

+

+    assertInitialized();

+

+    if (!drawablep->isState(LLDrawable::ON_MOVE_LIST))

+    {

+        if (drawablep->isSpatialBridge())

+        {

+            mMovedBridge.push_back(drawablep);

+        }

+        else

+        {

+            mMovedList.push_back(drawablep);

+        }

+        drawablep->setState(LLDrawable::ON_MOVE_LIST);

+    }

+    if (! damped_motion)

+    {

+        drawablep->setState(LLDrawable::MOVE_UNDAMPED); // UNDAMPED trumps DAMPED

+    }

+    else if (drawablep->isState(LLDrawable::MOVE_UNDAMPED))

+    {

+        drawablep->clearState(LLDrawable::MOVE_UNDAMPED);

+    }

+}

+

+void LLPipeline::markShift(LLDrawable *drawablep)

+{

+    if (!drawablep || drawablep->isDead())

+    {

+        return;

+    }

+

+    assertInitialized();

+

+    if (!drawablep->isState(LLDrawable::ON_SHIFT_LIST))

+    {

+        drawablep->getVObj()->setChanged(LLXform::SHIFTED | LLXform::SILHOUETTE);

+        if (drawablep->getParent())

+        {

+            markShift(drawablep->getParent());

+        }

+        mShiftList.push_back(drawablep);

+        drawablep->setState(LLDrawable::ON_SHIFT_LIST);

+    }

+}

+

+void LLPipeline::shiftObjects(const LLVector3 &offset)

+{

+    LL_PROFILE_ZONE_SCOPED_CATEGORY_PIPELINE;

+    assertInitialized();

+

+    glClear(GL_DEPTH_BUFFER_BIT);

+    gDepthDirty = true;

+

+    LLVector4a offseta;

+    offseta.load3(offset.mV);

+

+    for (LLDrawable::drawable_vector_t::iterator iter = mShiftList.begin();

+            iter != mShiftList.end(); iter++)

+    {

+        LLDrawable *drawablep = *iter;

+        if (drawablep->isDead())

+        {

+            continue;

+        }

+        drawablep->shiftPos(offseta);

+        drawablep->clearState(LLDrawable::ON_SHIFT_LIST);

+    }

+    mShiftList.resize(0);

+

+    for (LLWorld::region_list_t::const_iterator iter = LLWorld::getInstance()->getRegionList().begin();

+            iter != LLWorld::getInstance()->getRegionList().end(); ++iter)

+    {

+        LLViewerRegion* region = *iter;

+        for (U32 i = 0; i < LLViewerRegion::NUM_PARTITIONS; i++)

+        {

+            LLSpatialPartition* part = region->getSpatialPartition(i);

+            if (part)

+            {

+                part->shift(offseta);

+            }

+        }

+    }

+

+    mReflectionMapManager.shift(offseta);

+

+    LLHUDText::shiftAll(offset);

+    LLHUDNameTag::shiftAll(offset);

+

+    display_update_camera();

+}

+

+void LLPipeline::markTextured(LLDrawable *drawablep)

+{

+    if (drawablep && !drawablep->isDead() && assertInitialized())

+    {

+        mRetexturedList.insert(drawablep);

+    }

+}

+

+void LLPipeline::markGLRebuild(LLGLUpdate* glu)

+{

+    if (glu && !glu->mInQ)

+    {

+        LLGLUpdate::sGLQ.push_back(glu);

+        glu->mInQ = true;

+    }

+}

+

+void LLPipeline::markPartitionMove(LLDrawable* drawable)

+{

+    if (!drawable->isState(LLDrawable::PARTITION_MOVE) &&

+        !drawable->getPositionGroup().equals3(LLVector4a::getZero()))

+    {

+        drawable->setState(LLDrawable::PARTITION_MOVE);

+        mPartitionQ.push_back(drawable);

+    }

+}

+

+void LLPipeline::processPartitionQ()

+{

+    LL_PROFILE_ZONE_SCOPED_CATEGORY_PIPELINE;

+    for (LLDrawable::drawable_list_t::iterator iter = mPartitionQ.begin(); iter != mPartitionQ.end(); ++iter)

+    {

+        LLDrawable* drawable = *iter;

+        if (!drawable->isDead())

+        {

+            drawable->updateBinRadius();

+            drawable->movePartition();

+        }

+        drawable->clearState(LLDrawable::PARTITION_MOVE);

+    }

+

+    mPartitionQ.clear();

+}

+

+void LLPipeline::markMeshDirty(LLSpatialGroup* group)

+{

+    mMeshDirtyGroup.push_back(group);

+}

+

+void LLPipeline::markRebuild(LLSpatialGroup* group)

+{

+    if (group && !group->isDead() && group->getSpatialPartition())

+    {

+        if (!group->hasState(LLSpatialGroup::IN_BUILD_Q1))

+        {

+            llassert_always(!mGroupQ1Locked);

+

+            mGroupQ1.push_back(group);

+            group->setState(LLSpatialGroup::IN_BUILD_Q1);

+        }

+    }

+}

+

+void LLPipeline::markRebuild(LLDrawable *drawablep, LLDrawable::EDrawableFlags flag)

+{

+    if (drawablep && !drawablep->isDead() && assertInitialized())

+    {

+        if (!drawablep->isState(LLDrawable::IN_REBUILD_Q))

+        {

+            mBuildQ1.push_back(drawablep);

+            drawablep->setState(LLDrawable::IN_REBUILD_Q); // mark drawable as being in priority queue

+        }

+

+        if (flag & (LLDrawable::REBUILD_VOLUME | LLDrawable::REBUILD_POSITION))

+        {

+            drawablep->getVObj()->setChanged(LLXform::SILHOUETTE);

+        }

+        drawablep->setState(flag);

+    }

+}

+

+void LLPipeline::stateSort(LLCamera& camera, LLCullResult &result)

+{

+    LL_PROFILE_ZONE_SCOPED_CATEGORY_PIPELINE;

+    LL_PROFILE_GPU_ZONE("stateSort");

+

+    if (hasAnyRenderType(LLPipeline::RENDER_TYPE_AVATAR,

+                      LLPipeline::RENDER_TYPE_CONTROL_AV,

+                      LLPipeline::RENDER_TYPE_TERRAIN,

+                      LLPipeline::RENDER_TYPE_TREE,

+                      LLPipeline::RENDER_TYPE_SKY,

+                      LLPipeline::RENDER_TYPE_VOIDWATER,

+                      LLPipeline::RENDER_TYPE_WATER,

+                      LLPipeline::END_RENDER_TYPES))

+    {

+        //clear faces from face pools

+        gPipeline.resetDrawOrders();

+    }

+

+    //LLVertexBuffer::unbind();

+

+    grabReferences(result);

+    for (LLCullResult::sg_iterator iter = sCull->beginDrawableGroups(); iter != sCull->endDrawableGroups(); ++iter)

+    {

+        LLSpatialGroup* group = *iter;

+        if (group->isDead())

+        {

+            continue;

+        }

+        group->checkOcclusion();

+        if (sUseOcclusion > 1 && group->isOcclusionState(LLSpatialGroup::OCCLUDED))

+        {

+            markOccluder(group);

+        }

+        else

+        {

+            group->setVisible();

+            for (LLSpatialGroup::element_iter i = group->getDataBegin(); i != group->getDataEnd(); ++i)

+            {

+                LLDrawable* drawablep = (LLDrawable*)(*i)->getDrawable();

+                markVisible(drawablep, camera);

+            }

+

+            { //rebuild mesh as soon as we know it's visible

+                group->rebuildMesh();

+            }

+        }

+    }

+

+    if (LLViewerCamera::sCurCameraID == LLViewerCamera::CAMERA_WORLD && !gCubeSnapshot)

+    {

+        LLSpatialGroup* last_group = NULL;

+        bool fov_changed = LLViewerCamera::getInstance()->isDefaultFOVChanged();

+        for (LLCullResult::bridge_iterator i = sCull->beginVisibleBridge(); i != sCull->endVisibleBridge(); ++i)

+        {

+            LLCullResult::bridge_iterator cur_iter = i;

+            LLSpatialBridge* bridge = *cur_iter;

+            LLSpatialGroup* group = bridge->getSpatialGroup();

+

+            if (last_group == NULL)

+            {

+                last_group = group;

+            }

+

+            if (!bridge->isDead() && group && !group->isOcclusionState(LLSpatialGroup::OCCLUDED))

+            {

+                stateSort(bridge, camera, fov_changed);

+            }

+

+            if (LLViewerCamera::sCurCameraID == LLViewerCamera::CAMERA_WORLD &&

+                last_group != group && last_group->changeLOD())

+            {

+                last_group->mLastUpdateDistance = last_group->mDistance;

+            }

+

+            last_group = group;

+        }

+

+        if (LLViewerCamera::sCurCameraID == LLViewerCamera::CAMERA_WORLD &&

+            last_group && last_group->changeLOD())

+        {

+            last_group->mLastUpdateDistance = last_group->mDistance;

+        }

+    }

+

+    for (LLCullResult::sg_iterator iter = sCull->beginVisibleGroups(); iter != sCull->endVisibleGroups(); ++iter)

+    {

+        LLSpatialGroup* group = *iter;

+        if (group->isDead())

+        {

+            continue;

+        }

+        group->checkOcclusion();

+        if (sUseOcclusion > 1 && group->isOcclusionState(LLSpatialGroup::OCCLUDED))

+        {

+            markOccluder(group);

+        }

+        else

+        {

+            group->setVisible();

+            stateSort(group, camera);

+

+            { //rebuild mesh as soon as we know it's visible

+                group->rebuildMesh();

+            }

+        }

+    }

+

+    {

+        LL_PROFILE_ZONE_NAMED_CATEGORY_DRAWABLE("stateSort"); // LL_RECORD_BLOCK_TIME(FTM_STATESORT_DRAWABLE);

+        for (LLCullResult::drawable_iterator iter = sCull->beginVisibleList();

+             iter != sCull->endVisibleList(); ++iter)

+        {

+            LLDrawable *drawablep = *iter;

+            if (!drawablep->isDead())

+            {

+                stateSort(drawablep, camera);

+            }

+        }

+    }

+

+    postSort(camera);

+}

+

+void LLPipeline::stateSort(LLSpatialGroup* group, LLCamera& camera)

+{

+    if (group->changeLOD())

+    {

+        for (LLSpatialGroup::element_iter i = group->getDataBegin(); i != group->getDataEnd(); ++i)

+        {

+            LLDrawable* drawablep = (LLDrawable*)(*i)->getDrawable();

+            stateSort(drawablep, camera);

+        }

+

+        if (LLViewerCamera::sCurCameraID == LLViewerCamera::CAMERA_WORLD && !gCubeSnapshot)

+        { //avoid redundant stateSort calls

+            group->mLastUpdateDistance = group->mDistance;

+        }

+    }

+}

+

+void LLPipeline::stateSort(LLSpatialBridge* bridge, LLCamera& camera, bool fov_changed)

+{

+    LL_PROFILE_ZONE_SCOPED_CATEGORY_PIPELINE;

+    if (bridge->getSpatialGroup()->changeLOD() || fov_changed)

+    {

+        bool force_update = false;

+        bridge->updateDistance(camera, force_update);

+    }

+}

+

+void LLPipeline::stateSort(LLDrawable* drawablep, LLCamera& camera)

+{

+    LL_PROFILE_ZONE_SCOPED_CATEGORY_PIPELINE;

+    if (!drawablep

+        || drawablep->isDead()

+        || !hasRenderType(drawablep->getRenderType()))

+    {

+        return;

+    }

+

+    // SL-11353

+    // ignore our own geo when rendering spotlight shadowmaps...

+    //

+    if (RenderSpotLight && drawablep == RenderSpotLight)

+    {

+        return;

+    }

+

+    if (LLSelectMgr::getInstance()->mHideSelectedObjects)

+    {

+        if (drawablep->getVObj().notNull() &&

+            drawablep->getVObj()->isSelected())

+        {

+            return;

+        }

+    }

+

+    if (drawablep->isAvatar())

+    { //don't draw avatars beyond render distance or if we don't have a spatial group.

+        if ((drawablep->getSpatialGroup() == NULL) ||

+            (drawablep->getSpatialGroup()->mDistance > LLVOAvatar::sRenderDistance))

+        {

+            return;

+        }

+

+        LLVOAvatar* avatarp = (LLVOAvatar*) drawablep->getVObj().get();

+        if (!avatarp->isVisible())

+        {

+            return;

+        }

+    }

+

+    assertInitialized();

+

+    if (hasRenderType(drawablep->mRenderType))

+    {

+        if (!drawablep->isState(LLDrawable::INVISIBLE|LLDrawable::FORCE_INVISIBLE))

+        {

+            drawablep->setVisible(camera, NULL, false);

+        }

+    }

+

+    if (LLViewerCamera::sCurCameraID == LLViewerCamera::CAMERA_WORLD && !gCubeSnapshot)

+    {

+        //if (drawablep->isVisible()) isVisible() check here is redundant, if it wasn't visible, it wouldn't be here

+        {

+            if (!drawablep->isActive())

+            {

+                bool force_update = false;

+                drawablep->updateDistance(camera, force_update);

+            }

+            else if (drawablep->isAvatar())

+            {

+                bool force_update = false;

+                drawablep->updateDistance(camera, force_update); // calls vobj->updateLOD() which calls LLVOAvatar::updateVisibility()

+            }

+        }

+    }

+

+    if (!drawablep->getVOVolume())

+    {

+        for (LLDrawable::face_list_t::iterator iter = drawablep->mFaces.begin();

+                iter != drawablep->mFaces.end(); iter++)

+        {

+            LLFace* facep = *iter;

+

+            if (facep->hasGeometry())

+            {

+                if (facep->getPool())

+                {

+                    facep->getPool()->enqueue(facep);

+                }

+                else

+                {

+                    break;

+                }

+            }

+        }

+    }

+

+    mNumVisibleFaces += drawablep->getNumFaces();

+}

+

+

+void forAllDrawables(LLCullResult::sg_iterator begin,

+                     LLCullResult::sg_iterator end,

+                     void (*func)(LLDrawable*))

+{

+    for (LLCullResult::sg_iterator i = begin; i != end; ++i)

+    {

+        LLSpatialGroup* group = *i;

+        if (group->isDead())

+        {

+            continue;

+        }

+        for (LLSpatialGroup::element_iter j = group->getDataBegin(); j != group->getDataEnd(); ++j)

+        {

+            if((*j)->hasDrawable())

+            {

+                func((LLDrawable*)(*j)->getDrawable());

+            }

+        }

+    }

+}

+

+void LLPipeline::forAllVisibleDrawables(void (*func)(LLDrawable*))

+{

+    forAllDrawables(sCull->beginDrawableGroups(), sCull->endDrawableGroups(), func);

+    forAllDrawables(sCull->beginVisibleGroups(), sCull->endVisibleGroups(), func);

+}

+

+//function for creating scripted beacons

+void renderScriptedBeacons(LLDrawable* drawablep)

+{

+    LLViewerObject *vobj = drawablep->getVObj();

+    if (vobj

+        && !vobj->isAvatar()

+        && !vobj->getParent()

+        && vobj->flagScripted())

+    {

+        if (gPipeline.sRenderBeacons)

+        {

+            gObjectList.addDebugBeacon(vobj->getPositionAgent(), "", LLColor4(1.f, 0.f, 0.f, 0.5f), LLColor4(1.f, 1.f, 1.f, 0.5f), LLPipeline::DebugBeaconLineWidth);

+        }

+

+        if (gPipeline.sRenderHighlight)

+        {

+            S32 face_id;

+            S32 count = drawablep->getNumFaces();

+            for (face_id = 0; face_id < count; face_id++)

+            {

+                LLFace * facep = drawablep->getFace(face_id);

+                if (facep)

+                {

+                    gPipeline.mHighlightFaces.push_back(facep);

+                }

+            }

+        }

+    }

+}

+

+void renderScriptedTouchBeacons(LLDrawable *drawablep)

+{

+    LLViewerObject *vobj = drawablep->getVObj();

+    if (vobj && !vobj->isAvatar() && !vobj->getParent() && vobj->flagScripted() && vobj->flagHandleTouch())

+    {

+        if (gPipeline.sRenderBeacons)

+        {

+            gObjectList.addDebugBeacon(vobj->getPositionAgent(), "", LLColor4(1.f, 0.f, 0.f, 0.5f), LLColor4(1.f, 1.f, 1.f, 0.5f),

+                                       LLPipeline::DebugBeaconLineWidth);

+        }

+

+        if (gPipeline.sRenderHighlight)

+        {

+            S32 face_id;

+            S32 count = drawablep->getNumFaces();

+            for (face_id = 0; face_id < count; face_id++)

+            {

+                LLFace *facep = drawablep->getFace(face_id);

+                if (facep)

+                {

+                    gPipeline.mHighlightFaces.push_back(facep);

+                }

+            }

+        }

+    }

+}

+

+void renderPhysicalBeacons(LLDrawable *drawablep)

+{

+    LLViewerObject *vobj = drawablep->getVObj();

+    if (vobj &&

+        !vobj->isAvatar()

+        //&& !vobj->getParent()

+        && vobj->flagUsePhysics())

+    {

+        if (gPipeline.sRenderBeacons)

+        {

+            gObjectList.addDebugBeacon(vobj->getPositionAgent(), "", LLColor4(0.f, 1.f, 0.f, 0.5f), LLColor4(1.f, 1.f, 1.f, 0.5f),

+                                       LLPipeline::DebugBeaconLineWidth);

+        }

+

+        if (gPipeline.sRenderHighlight)

+        {

+            S32 face_id;

+            S32 count = drawablep->getNumFaces();

+            for (face_id = 0; face_id < count; face_id++)

+            {

+                LLFace *facep = drawablep->getFace(face_id);

+                if (facep)

+                {

+                    gPipeline.mHighlightFaces.push_back(facep);

+                }

+            }

+        }

+    }

+}

+

+void renderMOAPBeacons(LLDrawable *drawablep)

+{

+    LLViewerObject *vobj = drawablep->getVObj();

+

+    if (!vobj || vobj->isAvatar())

+        return;

+

+    bool beacon  = false;

+    U8   tecount = vobj->getNumTEs();

+    for (int x = 0; x < tecount; x++)

+    {

+        if (vobj->getTE(x)->hasMedia())

+        {

+            beacon = true;

+            break;

+        }

+    }

+    if (beacon)

+    {

+        if (gPipeline.sRenderBeacons)

+        {

+            gObjectList.addDebugBeacon(vobj->getPositionAgent(), "", LLColor4(1.f, 1.f, 1.f, 0.5f), LLColor4(1.f, 1.f, 1.f, 0.5f),

+                                       LLPipeline::DebugBeaconLineWidth);

+        }

+

+        if (gPipeline.sRenderHighlight)

+        {

+            S32 face_id;

+            S32 count = drawablep->getNumFaces();

+            for (face_id = 0; face_id < count; face_id++)

+            {

+                LLFace *facep = drawablep->getFace(face_id);

+                if (facep)

+                {

+                    gPipeline.mHighlightFaces.push_back(facep);

+                }

+            }

+        }

+    }

+}

+

+void renderParticleBeacons(LLDrawable *drawablep)

+{

+    // Look for attachments, objects, etc.

+    LLViewerObject *vobj = drawablep->getVObj();

+    if (vobj && vobj->isParticleSource())

+    {

+        if (gPipeline.sRenderBeacons)

+        {

+            LLColor4 light_blue(0.5f, 0.5f, 1.f, 0.5f);

+            gObjectList.addDebugBeacon(vobj->getPositionAgent(), "", light_blue, LLColor4(1.f, 1.f, 1.f, 0.5f),

+                                       LLPipeline::DebugBeaconLineWidth);

+        }

+

+        if (gPipeline.sRenderHighlight)

+        {

+            S32 face_id;

+            S32 count = drawablep->getNumFaces();

+            for (face_id = 0; face_id < count; face_id++)

+            {

+                LLFace *facep = drawablep->getFace(face_id);

+                if (facep)

+                {

+                    gPipeline.mHighlightFaces.push_back(facep);

+                }

+            }

+        }

+    }

+}

+

+void renderSoundHighlights(LLDrawable *drawablep)

+{

+    // Look for attachments, objects, etc.

+    LLViewerObject *vobj = drawablep->getVObj();

+    if (vobj && vobj->isAudioSource())

+    {

+        if (gPipeline.sRenderHighlight)

+        {

+            S32 face_id;

+            S32 count = drawablep->getNumFaces();

+            for (face_id = 0; face_id < count; face_id++)

+            {

+                LLFace *facep = drawablep->getFace(face_id);

+                if (facep)

+                {

+                    gPipeline.mHighlightFaces.push_back(facep);

+                }

+            }

+        }

+    }

+}

+

+void LLPipeline::postSort(LLCamera &camera)

+{

+    LL_PROFILE_ZONE_SCOPED_CATEGORY_PIPELINE;

+

+    assertInitialized();

+

+    LL_PUSH_CALLSTACKS();

+

+    if (!gCubeSnapshot)

+    {

+        // rebuild drawable geometry

+        for (LLCullResult::sg_iterator i = sCull->beginDrawableGroups(); i != sCull->endDrawableGroups(); ++i)

+        {

+            LLSpatialGroup *group = *i;

+            if (group->isDead())

+            {

+                continue;

+            }

+            if (!sUseOcclusion || !group->isOcclusionState(LLSpatialGroup::OCCLUDED))

+            {

+                group->rebuildGeom();

+            }

+        }

+        LL_PUSH_CALLSTACKS();

+        // rebuild groups

+        sCull->assertDrawMapsEmpty();

+

+        rebuildPriorityGroups();

+    }

+

+    LL_PUSH_CALLSTACKS();

+

+    // build render map

+    for (LLCullResult::sg_iterator i = sCull->beginVisibleGroups(); i != sCull->endVisibleGroups(); ++i)

+    {

+        LLSpatialGroup *group = *i;

+

+        if (group->isDead())

+        {

+            continue;

+        }

+

+        if ((sUseOcclusion && group->isOcclusionState(LLSpatialGroup::OCCLUDED)) ||

+            (RenderAutoHideSurfaceAreaLimit > 0.f &&

+             group->mSurfaceArea > RenderAutoHideSurfaceAreaLimit * llmax(group->mObjectBoxSize, 10.f)))

+        {

+            continue;

+        }

+

+        if (group->hasState(LLSpatialGroup::NEW_DRAWINFO) && group->hasState(LLSpatialGroup::GEOM_DIRTY) && !gCubeSnapshot)

+        {  // no way this group is going to be drawable without a rebuild

+            group->rebuildGeom();

+        }

+

+        for (LLSpatialGroup::draw_map_t::iterator j = group->mDrawMap.begin(); j != group->mDrawMap.end(); ++j)

+        {

+            LLSpatialGroup::drawmap_elem_t &src_vec = j->second;

+            if (!hasRenderType(j->first))

+            {

+                continue;

+            }

+

+            for (LLSpatialGroup::drawmap_elem_t::iterator k = src_vec.begin(); k != src_vec.end(); ++k)

+            {

+                LLDrawInfo *info = *k;

+

+                sCull->pushDrawInfo(j->first, info);

+                if (!sShadowRender && !sReflectionRender && !gCubeSnapshot)

+                {

+                    addTrianglesDrawn(info->mCount);

+                }

+            }

+        }

+

+        if (hasRenderType(LLPipeline::RENDER_TYPE_PASS_ALPHA))

+        {

+            LLSpatialGroup::draw_map_t::iterator alpha = group->mDrawMap.find(LLRenderPass::PASS_ALPHA);

+

+            if (alpha != group->mDrawMap.end())

+            {  // store alpha groups for sorting

+                LLSpatialBridge *bridge = group->getSpatialPartition()->asBridge();

+                if (LLViewerCamera::sCurCameraID == LLViewerCamera::CAMERA_WORLD && !gCubeSnapshot)

+                {

+                    if (bridge)

+                    {

+                        LLCamera trans_camera = bridge->transformCamera(camera);

+                        group->updateDistance(trans_camera);

+                    }

+                    else

+                    {

+                        group->updateDistance(camera);

+                    }

+                }

+

+                if (hasRenderType(LLDrawPool::POOL_ALPHA))

+                {

+                    sCull->pushAlphaGroup(group);

+                }

+            }

+

+            LLSpatialGroup::draw_map_t::iterator rigged_alpha = group->mDrawMap.find(LLRenderPass::PASS_ALPHA_RIGGED);

+

+            if (rigged_alpha != group->mDrawMap.end())

+            {  // store rigged alpha groups for LLDrawPoolAlpha prepass (skip distance update, rigged attachments use depth buffer)

+                if (hasRenderType(LLDrawPool::POOL_ALPHA))

+                {

+                    sCull->pushRiggedAlphaGroup(group);

+                }

+            }

+        }

+    }

+

+    /*bool use_transform_feedback = gTransformPositionProgram.mProgramObject && !mMeshDirtyGroup.empty();

+

+    if (use_transform_feedback)

+    { //place a query around potential transform feedback code for synchronization

+        mTransformFeedbackPrimitives = 0;

+

+        if (!mMeshDirtyQueryObject)

+        {

+            glGenQueries(1, &mMeshDirtyQueryObject);

+        }

+

+

+        glBeginQuery(GL_TRANSFORM_FEEDBACK_PRIMITIVES_WRITTEN, mMeshDirtyQueryObject);

+    }*/

+

+    // pack vertex buffers for groups that chose to delay their updates

+    {

+        LL_PROFILE_GPU_ZONE("rebuildMesh");

+        for (LLSpatialGroup::sg_vector_t::iterator iter = mMeshDirtyGroup.begin(); iter != mMeshDirtyGroup.end(); ++iter)

+        {

+            (*iter)->rebuildMesh();

+        }

+    }

+

+    /*if (use_transform_feedback)

+    {

+        glEndQuery(GL_TRANSFORM_FEEDBACK_PRIMITIVES_WRITTEN);

+    }*/

+

+    mMeshDirtyGroup.clear();

+

+    if (!sShadowRender)

+    {

+        // order alpha groups by distance

+        std::sort(sCull->beginAlphaGroups(), sCull->endAlphaGroups(), LLSpatialGroup::CompareDepthGreater());

+

+        // order rigged alpha groups by avatar attachment order

+        std::sort(sCull->beginRiggedAlphaGroups(), sCull->endRiggedAlphaGroups(), LLSpatialGroup::CompareRenderOrder());

+    }

+

+    LL_PUSH_CALLSTACKS();

+    // only render if the flag is set. The flag is only set if we are in edit mode or the toggle is set in the menus

+    if (LLFloaterReg::instanceVisible("beacons") && !sShadowRender && !gCubeSnapshot)

+    {

+        if (sRenderScriptedTouchBeacons)

+        {

+            // Only show the beacon on the root object.

+            forAllVisibleDrawables(renderScriptedTouchBeacons);

+        }

+        else if (sRenderScriptedBeacons)

+        {

+            // Only show the beacon on the root object.

+            forAllVisibleDrawables(renderScriptedBeacons);

+        }

+

+        if (sRenderPhysicalBeacons)

+        {

+            // Only show the beacon on the root object.

+            forAllVisibleDrawables(renderPhysicalBeacons);

+        }

+

+        if (sRenderMOAPBeacons)

+        {

+            forAllVisibleDrawables(renderMOAPBeacons);

+        }

+

+        if (sRenderParticleBeacons)

+        {

+            forAllVisibleDrawables(renderParticleBeacons);

+        }

+

+        // If god mode, also show audio cues

+        if (sRenderSoundBeacons && gAudiop)

+        {

+            // Walk all sound sources and render out beacons for them. Note, this isn't done in the ForAllVisibleDrawables function, because

+            // some are not visible.

+            LLAudioEngine::source_map::iterator iter;

+            for (iter = gAudiop->mAllSources.begin(); iter != gAudiop->mAllSources.end(); ++iter)

+            {

+                LLAudioSource *sourcep = iter->second;

+

+                LLVector3d pos_global = sourcep->getPositionGlobal();

+                LLVector3  pos        = gAgent.getPosAgentFromGlobal(pos_global);

+                if (gPipeline.sRenderBeacons)

+                {

+                    // pos += LLVector3(0.f, 0.f, 0.2f);

+                    gObjectList.addDebugBeacon(pos, "", LLColor4(1.f, 1.f, 0.f, 0.5f), LLColor4(1.f, 1.f, 1.f, 0.5f), DebugBeaconLineWidth);

+                }

+            }

+            // now deal with highlights for all those seeable sound sources

+            forAllVisibleDrawables(renderSoundHighlights);

+        }

+    }

+    LL_PUSH_CALLSTACKS();

+    // If managing your telehub, draw beacons at telehub and currently selected spawnpoint.

+    if (LLFloaterTelehub::renderBeacons() && !sShadowRender && !gCubeSnapshot)

+    {

+        LLFloaterTelehub::addBeacons();

+    }

+

+    if (!sShadowRender && !gCubeSnapshot)

+    {

+        mSelectedFaces.clear();

+

+        if (!gNonInteractive)

+        {

+            LLPipeline::setRenderHighlightTextureChannel(gFloaterTools->getPanelFace()->getTextureChannelToEdit());

+        }

+

+        // Draw face highlights for selected faces.

+        if (LLSelectMgr::getInstance()->getTEMode())

+        {

+            struct f : public LLSelectedTEFunctor

+            {

+                virtual bool apply(LLViewerObject *object, S32 te)

+                {

+                    if (object->mDrawable)

+                    {

+                        LLFace *facep = object->mDrawable->getFace(te);

+                        if (facep)

+                        {

+                            gPipeline.mSelectedFaces.push_back(facep);

+                        }

+                    }

+                    return true;

+                }

+            } func;

+            LLSelectMgr::getInstance()->getSelection()->applyToTEs(&func);

+        }

+    }

+

+    // LLSpatialGroup::sNoDelete = false;

+    LL_PUSH_CALLSTACKS();

+}

+

+

+void render_hud_elements()

+{

+    LL_PROFILE_ZONE_SCOPED_CATEGORY_UI; //LL_RECORD_BLOCK_TIME(FTM_RENDER_UI);

+    gPipeline.disableLights();

+

+    LLGLSUIDefault gls_ui;

+

+    //LLGLEnable stencil(GL_STENCIL_TEST);

+    //glStencilFunc(GL_ALWAYS, 255, 0xFFFFFFFF);

+    //glStencilMask(0xFFFFFFFF);

+    //glStencilOp(GL_KEEP, GL_KEEP, GL_REPLACE);

+

+    gUIProgram.bind();

+    gGL.color4f(1, 1, 1, 1);

+    LLGLDepthTest depth(GL_TRUE, GL_FALSE);

+

+    if (!LLPipeline::sReflectionRender && gPipeline.hasRenderDebugFeatureMask(LLPipeline::RENDER_DEBUG_FEATURE_UI))

+    {

+        gViewerWindow->renderSelections(false, false, false); // For HUD version in render_ui_3d()

+

+        // Draw the tracking overlays

+        LLTracker::render3D();

+

+        if (LLWorld::instanceExists())

+        {

+            // Show the property lines

+            LLWorld::getInstance()->renderPropertyLines();

+        }

+        LLViewerParcelMgr::getInstance()->render();

+        LLViewerParcelMgr::getInstance()->renderParcelCollision();

+    }

+    else if (gForceRenderLandFence)

+    {

+        // This is only set when not rendering the UI, for parcel snapshots

+        LLViewerParcelMgr::getInstance()->render();

+    }

+    else if (gPipeline.hasRenderType(LLPipeline::RENDER_TYPE_HUD))

+    {

+        LLHUDText::renderAllHUD();

+    }

+

+    gUIProgram.unbind();

+}

+

+void LLPipeline::renderHighlights()

+{

+    assertInitialized();

+

+    // Draw 3D UI elements here (before we clear the Z buffer in POOL_HUD)

+    // Render highlighted faces.

+    LLGLSPipelineAlpha gls_pipeline_alpha;

+    LLColor4 color(1.f, 1.f, 1.f, 0.5f);

+    disableLights();

+

+    if ((LLViewerShaderMgr::instance()->getShaderLevel(LLViewerShaderMgr::SHADER_INTERFACE) > 0))

+    {

+        gHighlightProgram.bind();

+        gGL.diffuseColor4f(1,1,1,0.5f);

+    }

+

+    if (hasRenderDebugFeatureMask(RENDER_DEBUG_FEATURE_SELECTED) && !mFaceSelectImagep)

+        {

+            mFaceSelectImagep = LLViewerTextureManager::getFetchedTexture(IMG_FACE_SELECT);

+        }

+

+    if (hasRenderDebugFeatureMask(RENDER_DEBUG_FEATURE_SELECTED) && (sRenderHighlightTextureChannel == LLRender::DIFFUSE_MAP))

+    {

+        // Make sure the selection image gets downloaded and decoded

+        mFaceSelectImagep->addTextureStats((F32)MAX_IMAGE_AREA);

+

+        U32 count = mSelectedFaces.size();

+        for (U32 i = 0; i < count; i++)

+        {

+            LLFace *facep = mSelectedFaces[i];

+            if (!facep || facep->getDrawable()->isDead())

+            {

+                LL_ERRS() << "Bad face on selection" << LL_ENDL;

+                return;

+            }

+

+            facep->renderSelected(mFaceSelectImagep, color);

+        }

+    }

+

+    if (hasRenderDebugFeatureMask(RENDER_DEBUG_FEATURE_SELECTED))

+    {

+        // Paint 'em red!

+        color.setVec(1.f, 0.f, 0.f, 0.5f);

+

+        int count = mHighlightFaces.size();

+        for (S32 i = 0; i < count; i++)

+        {

+            LLFace* facep = mHighlightFaces[i];

+            facep->renderSelected(LLViewerTexture::sNullImagep, color);

+        }

+    }

+

+    // Contains a list of the faces of objects that are physical or

+    // have touch-handlers.

+    mHighlightFaces.clear();

+

+    if (LLViewerShaderMgr::instance()->getShaderLevel(LLViewerShaderMgr::SHADER_INTERFACE) > 0)

+    {

+        gHighlightProgram.unbind();

+    }

+

+

+    if (hasRenderDebugFeatureMask(RENDER_DEBUG_FEATURE_SELECTED) && (sRenderHighlightTextureChannel == LLRender::NORMAL_MAP))

+    {

+        color.setVec(1.0f, 0.5f, 0.5f, 0.5f);

+        if ((LLViewerShaderMgr::instance()->getShaderLevel(LLViewerShaderMgr::SHADER_INTERFACE) > 0))

+        {

+            gHighlightNormalProgram.bind();

+            gGL.diffuseColor4f(1,1,1,0.5f);

+        }

+

+        mFaceSelectImagep->addTextureStats((F32)MAX_IMAGE_AREA);

+

+        U32 count = mSelectedFaces.size();

+        for (U32 i = 0; i < count; i++)

+        {

+            LLFace *facep = mSelectedFaces[i];

+            if (!facep || facep->getDrawable()->isDead())

+            {

+                LL_ERRS() << "Bad face on selection" << LL_ENDL;

+                return;

+            }

+

+            facep->renderSelected(mFaceSelectImagep, color);

+        }

+

+        if ((LLViewerShaderMgr::instance()->getShaderLevel(LLViewerShaderMgr::SHADER_INTERFACE) > 0))

+        {

+            gHighlightNormalProgram.unbind();

+        }

+    }

+

+    if (hasRenderDebugFeatureMask(RENDER_DEBUG_FEATURE_SELECTED) && (sRenderHighlightTextureChannel == LLRender::SPECULAR_MAP))

+    {

+        color.setVec(0.0f, 0.3f, 1.0f, 0.8f);

+        if ((LLViewerShaderMgr::instance()->getShaderLevel(LLViewerShaderMgr::SHADER_INTERFACE) > 0))

+        {

+            gHighlightSpecularProgram.bind();

+            gGL.diffuseColor4f(1,1,1,0.5f);

+        }

+

+        mFaceSelectImagep->addTextureStats((F32)MAX_IMAGE_AREA);

+

+        U32 count = mSelectedFaces.size();

+        for (U32 i = 0; i < count; i++)

+        {

+            LLFace *facep = mSelectedFaces[i];

+            if (!facep || facep->getDrawable()->isDead())

+            {

+                LL_ERRS() << "Bad face on selection" << LL_ENDL;

+                return;

+            }

+

+            facep->renderSelected(mFaceSelectImagep, color);

+        }

+

+        if ((LLViewerShaderMgr::instance()->getShaderLevel(LLViewerShaderMgr::SHADER_INTERFACE) > 0))

+        {

+            gHighlightSpecularProgram.unbind();

+        }

+    }

+}

+

+//debug use

+U32 LLPipeline::sCurRenderPoolType = 0 ;

+

+void LLPipeline::renderGeomDeferred(LLCamera& camera, bool do_occlusion)

+{

+    LLAppViewer::instance()->pingMainloopTimeout("Pipeline:RenderGeomDeferred");

+    LL_PROFILE_ZONE_SCOPED_CATEGORY_DRAWPOOL; //LL_RECORD_BLOCK_TIME(FTM_RENDER_GEOMETRY);

+    LL_PROFILE_GPU_ZONE("renderGeomDeferred");

+

+    llassert(!sRenderingHUDs);

+

+    if (gUseWireframe)

+    {

+        glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);

+    }

+

+    if (&camera == LLViewerCamera::getInstance())

+    {   // a bit hacky, this is the start of the main render frame, figure out delta between last modelview matrix and

+        // current modelview matrix

+        glh::matrix4f last_modelview(gGLLastModelView);

+        glh::matrix4f cur_modelview(gGLModelView);

+

+        // goal is to have a matrix here that goes from the last frame's camera space to the current frame's camera space

+        glh::matrix4f m = last_modelview.inverse();  // last camera space to world space

+        m.mult_left(cur_modelview); // world space to camera space

+

+        glh::matrix4f n = m.inverse();

+

+        for (U32 i = 0; i < 16; ++i)

+        {

+            gGLDeltaModelView[i] = m.m[i];

+            gGLInverseDeltaModelView[i] = n.m[i];

+        }

+    }

+

+    bool occlude = LLPipeline::sUseOcclusion > 1 && do_occlusion && !LLGLSLShader::sProfileEnabled;

+

+    setupHWLights();

+

+    {

+        LL_PROFILE_ZONE_NAMED_CATEGORY_DRAWPOOL("deferred pools");

+

+        LLGLEnable cull(GL_CULL_FACE);

+

+        for (pool_set_t::iterator iter = mPools.begin(); iter != mPools.end(); ++iter)

+        {

+            LLDrawPool *poolp = *iter;

+            if (hasRenderType(poolp->getType()))

+            {

+                poolp->prerender();

+            }

+        }

+

+        LLVertexBuffer::unbind();

+

+        LLGLState::checkStates();

+

+        if (LLViewerShaderMgr::instance()->mShaderLevel[LLViewerShaderMgr::SHADER_DEFERRED] > 1)

+        {

+            //update reflection probe uniform

+            mReflectionMapManager.updateUniforms();

+        }

+

+        U32 cur_type = 0;

+

+        gGL.setColorMask(true, true);

+

+        pool_set_t::iterator iter1 = mPools.begin();

+

+        while ( iter1 != mPools.end() )

+        {

+            LLDrawPool *poolp = *iter1;

+

+            cur_type = poolp->getType();

+

+            if (occlude && cur_type >= LLDrawPool::POOL_GRASS)

+            {

+                llassert(!gCubeSnapshot); // never do occlusion culling on cube snapshots

+                occlude = false;

+                gGLLastMatrix = NULL;

+                gGL.loadMatrix(gGLModelView);

+                doOcclusion(camera);

+            }

+

+            pool_set_t::iterator iter2 = iter1;

+            if (hasRenderType(poolp->getType()) && poolp->getNumDeferredPasses() > 0)

+            {

+                LL_PROFILE_ZONE_NAMED_CATEGORY_DRAWPOOL("deferred pool render");

+

+                gGLLastMatrix = NULL;

+                gGL.loadMatrix(gGLModelView);

+

+                for( S32 i = 0; i < poolp->getNumDeferredPasses(); i++ )

+                {

+                    LLVertexBuffer::unbind();

+                    poolp->beginDeferredPass(i);

+                    for (iter2 = iter1; iter2 != mPools.end(); iter2++)

+                    {

+                        LLDrawPool *p = *iter2;

+                        if (p->getType() != cur_type)

+                        {

+                            break;

+                        }

+

+                        if ( !p->getSkipRenderFlag() ) { p->renderDeferred(i); }

+                    }

+                    poolp->endDeferredPass(i);

+                    LLVertexBuffer::unbind();

+

+                    LLGLState::checkStates();

+                }

+            }

+            else

+            {

+                // Skip all pools of this type

+                for (iter2 = iter1; iter2 != mPools.end(); iter2++)

+                {

+                    LLDrawPool *p = *iter2;

+                    if (p->getType() != cur_type)

+                    {

+                        break;

+                    }

+                }

+            }

+            iter1 = iter2;

+            stop_glerror();

+        }

+

+        gGLLastMatrix = NULL;

+        gGL.matrixMode(LLRender::MM_MODELVIEW);

+        gGL.loadMatrix(gGLModelView);

+

+        gGL.setColorMask(true, false);

+

+    } // Tracy ZoneScoped

+

+    if (gUseWireframe)

+    {

+        glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);

+    }

+}

+

+void LLPipeline::renderGeomPostDeferred(LLCamera& camera)

+{

+    LL_PROFILE_ZONE_SCOPED_CATEGORY_DRAWPOOL;

+    LL_PROFILE_GPU_ZONE("renderGeomPostDeferred");

+

+    if (gUseWireframe)

+    {

+        glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);

+    }

+

+    U32 cur_type = 0;

+

+    LLGLEnable cull(GL_CULL_FACE);

+

+    bool done_atmospherics = LLPipeline::sRenderingHUDs; //skip atmospherics on huds

+    bool done_water_haze = done_atmospherics;

+

+    // do atmospheric haze just before post water alpha

+    U32 atmospherics_pass = LLDrawPool::POOL_ALPHA_POST_WATER;

+

+    if (LLPipeline::sUnderWaterRender)

+    { // if under water, do atmospherics just before the water pass

+        atmospherics_pass = LLDrawPool::POOL_WATER;

+    }

+

+    // do water haze just before pre water alpha

+    U32 water_haze_pass = LLDrawPool::POOL_ALPHA_PRE_WATER;

+

+    calcNearbyLights(camera);

+    setupHWLights();

+

+    gGL.setSceneBlendType(LLRender::BT_ALPHA);

+    gGL.setColorMask(true, false);

+

+    pool_set_t::iterator iter1 = mPools.begin();

+

+    if (gDebugGL || gDebugPipeline)

+    {

+        LLGLState::checkStates(GL_FALSE);

+    }

+

+    while ( iter1 != mPools.end() )

+    {

+        LLDrawPool *poolp = *iter1;

+

+        cur_type = poolp->getType();

+

+        if (cur_type >= atmospherics_pass && !done_atmospherics)

+        { // do atmospherics against depth buffer before rendering alpha

+            doAtmospherics();

+            done_atmospherics = true;

+        }

+

+        if (cur_type >= water_haze_pass && !done_water_haze)

+        { // do water haze against depth buffer before rendering alpha

+            doWaterHaze();

+            done_water_haze = true;

+        }

+

+        pool_set_t::iterator iter2 = iter1;

+        if (hasRenderType(poolp->getType()) && poolp->getNumPostDeferredPasses() > 0)

+        {

+            LL_PROFILE_ZONE_NAMED_CATEGORY_DRAWPOOL("deferred poolrender");

+

+            gGLLastMatrix = NULL;

+            gGL.loadMatrix(gGLModelView);

+

+            for( S32 i = 0; i < poolp->getNumPostDeferredPasses(); i++ )

+            {

+                LLVertexBuffer::unbind();

+                poolp->beginPostDeferredPass(i);

+                for (iter2 = iter1; iter2 != mPools.end(); iter2++)

+                {

+                    LLDrawPool *p = *iter2;

+                    if (p->getType() != cur_type)

+                    {

+                        break;

+                    }

+

+                    p->renderPostDeferred(i);

+                }

+                poolp->endPostDeferredPass(i);

+                LLVertexBuffer::unbind();

+

+                if (gDebugGL || gDebugPipeline)

+                {

+                    LLGLState::checkStates(GL_FALSE);

+                }

+            }

+        }

+        else

+        {

+            // Skip all pools of this type

+            for (iter2 = iter1; iter2 != mPools.end(); iter2++)

+            {

+                LLDrawPool *p = *iter2;

+                if (p->getType() != cur_type)

+                {

+                    break;

+                }

+            }

+        }

+        iter1 = iter2;

+        stop_glerror();

+    }

+

+    gGLLastMatrix = NULL;

+    gGL.matrixMode(LLRender::MM_MODELVIEW);

+    gGL.loadMatrix(gGLModelView);

+

+    if (!gCubeSnapshot)

+    {

+        // debug displays

+        renderHighlights();

+        mHighlightFaces.clear();

+

+        renderDebug();

+    }

+

+    if (gUseWireframe)

+    {

+        glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);

+    }

+}

+

+void LLPipeline::renderGeomShadow(LLCamera& camera)

+{

+    LL_PROFILE_ZONE_SCOPED_CATEGORY_PIPELINE;

+    LL_PROFILE_GPU_ZONE("renderGeomShadow");

+    U32 cur_type = 0;

+

+    LLGLEnable cull(GL_CULL_FACE);

+

+    LLVertexBuffer::unbind();

+

+    pool_set_t::iterator iter1 = mPools.begin();

+

+    while ( iter1 != mPools.end() )

+    {

+        LLDrawPool *poolp = *iter1;

+

+        cur_type = poolp->getType();

+

+        pool_set_t::iterator iter2 = iter1;

+        if (hasRenderType(poolp->getType()) && poolp->getNumShadowPasses() > 0)

+        {

+            poolp->prerender() ;

+

+            gGLLastMatrix = NULL;

+            gGL.loadMatrix(gGLModelView);

+

+            for( S32 i = 0; i < poolp->getNumShadowPasses(); i++ )

+            {

+                LLVertexBuffer::unbind();

+                poolp->beginShadowPass(i);

+                for (iter2 = iter1; iter2 != mPools.end(); iter2++)

+                {

+                    LLDrawPool *p = *iter2;

+                    if (p->getType() != cur_type)

+                    {

+                        break;

+                    }

+

+                    p->renderShadow(i);

+                }

+                poolp->endShadowPass(i);

+                LLVertexBuffer::unbind();

+            }

+        }

+        else

+        {

+            // Skip all pools of this type

+            for (iter2 = iter1; iter2 != mPools.end(); iter2++)

+            {

+                LLDrawPool *p = *iter2;

+                if (p->getType() != cur_type)

+                {

+                    break;

+                }

+            }

+        }

+        iter1 = iter2;

+        stop_glerror();

+    }

+

+    gGLLastMatrix = NULL;

+    gGL.loadMatrix(gGLModelView);

+}

+

+

+static U32 sIndicesDrawnCount = 0;

+

+void LLPipeline::addTrianglesDrawn(S32 index_count)

+{

+    sIndicesDrawnCount += index_count;

+}

+

+void LLPipeline::recordTrianglesDrawn()

+{

+    assertInitialized();

+    U32 count = sIndicesDrawnCount / 3;

+    sIndicesDrawnCount = 0;

+    add(LLStatViewer::TRIANGLES_DRAWN, LLUnits::Triangles::fromValue(count));

+}

+

+void LLPipeline::renderPhysicsDisplay()

+{

+    if (!hasRenderDebugMask(LLPipeline::RENDER_DEBUG_PHYSICS_SHAPES))

+    {

+        return;

+    }

+

+    gGL.flush();

+    gDebugProgram.bind();

+

+    LLGLEnable(GL_POLYGON_OFFSET_LINE);

+    glPolygonOffset(3.f, 3.f);

+    glLineWidth(3.f);

+    LLGLEnable blend(GL_BLEND);

+    gGL.setSceneBlendType(LLRender::BT_ALPHA);

+

+    for (int pass = 0; pass < 3; ++pass)

+    {

+        // pass 0 - depth write enabled, color write disabled, fill

+        // pass 1 - depth write disabled, color write enabled, fill

+        // pass 2 - depth write disabled, color write enabled, wireframe

+        gGL.setColorMask(pass >= 1, false);

+        LLGLDepthTest depth(GL_TRUE, pass == 0);

+

+        bool wireframe = (pass == 2);

+

+        if (wireframe)

+        {

+            glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);

+        }

+

+        for (LLWorld::region_list_t::const_iterator iter = LLWorld::getInstance()->getRegionList().begin();

+            iter != LLWorld::getInstance()->getRegionList().end(); ++iter)

+        {

+            LLViewerRegion* region = *iter;

+            for (U32 i = 0; i < LLViewerRegion::NUM_PARTITIONS; i++)

+            {

+                LLSpatialPartition* part = region->getSpatialPartition(i);

+                if (part)

+                {

+                    if (hasRenderType(part->mDrawableType))

+                    {

+                        part->renderPhysicsShapes(wireframe);

+                    }

+                }

+            }

+        }

+        gGL.flush();

+

+        if (wireframe)

+        {

+            glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);

+        }

+    }

+    glLineWidth(1.f);

+    gDebugProgram.unbind();

+

+}

+

+extern std::set<LLSpatialGroup*> visible_selected_groups;

+

+void LLPipeline::renderDebug()

+{

+    LL_PROFILE_ZONE_SCOPED_CATEGORY_PIPELINE;

+

+    assertInitialized();

+

+    bool hud_only = hasRenderType(LLPipeline::RENDER_TYPE_HUD);

+

+    if (!hud_only )

+    {

+        //Render any navmesh geometry

+        LLPathingLib *llPathingLibInstance = LLPathingLib::getInstance();

+        if ( llPathingLibInstance != NULL )

+        {

+            //character floater renderables

+

+            LLHandle<LLFloaterPathfindingCharacters> pathfindingCharacterHandle = LLFloaterPathfindingCharacters::getInstanceHandle();

+            if ( !pathfindingCharacterHandle.isDead() )

+            {

+                LLFloaterPathfindingCharacters *pathfindingCharacter = pathfindingCharacterHandle.get();

+

+                if ( pathfindingCharacter->getVisible() || gAgentCamera.cameraMouselook() )

+                {

+                    gPathfindingProgram.bind();

+                    gPathfindingProgram.uniform1f(sTint, 1.f);

+                    gPathfindingProgram.uniform1f(sAmbiance, 1.f);

+                    gPathfindingProgram.uniform1f(sAlphaScale, 1.f);

+

+                    //Requried character physics capsule render parameters

+                    LLUUID id;

+                    LLVector3 pos;

+                    LLQuaternion rot;

+

+                    if ( pathfindingCharacter->isPhysicsCapsuleEnabled( id, pos, rot ) )

+                    {

+                        //remove blending artifacts

+                        gGL.setColorMask(false, false);

+                        llPathingLibInstance->renderSimpleShapeCapsuleID( gGL, id, pos, rot );

+                        gGL.setColorMask(true, false);

+                        LLGLEnable blend(GL_BLEND);

+                        gPathfindingProgram.uniform1f(sAlphaScale, 0.90f);

+                        llPathingLibInstance->renderSimpleShapeCapsuleID( gGL, id, pos, rot );

+                        gPathfindingProgram.bind();

+                    }

+                }

+            }

+

+

+            //pathing console renderables

+            LLHandle<LLFloaterPathfindingConsole> pathfindingConsoleHandle = LLFloaterPathfindingConsole::getInstanceHandle();

+            if (!pathfindingConsoleHandle.isDead())

+            {

+                LLFloaterPathfindingConsole *pathfindingConsole = pathfindingConsoleHandle.get();

+

+                if ( pathfindingConsole->getVisible() || gAgentCamera.cameraMouselook() )

+                {

+                    F32 ambiance = gSavedSettings.getF32("PathfindingAmbiance");

+

+                    gPathfindingProgram.bind();

+

+                    gPathfindingProgram.uniform1f(sTint, 1.f);

+                    gPathfindingProgram.uniform1f(sAmbiance, ambiance);

+                    gPathfindingProgram.uniform1f(sAlphaScale, 1.f);

+

+                    if ( !pathfindingConsole->isRenderWorld() )

+                    {

+                        const LLColor4 clearColor = gSavedSettings.getColor4("PathfindingNavMeshClear");

+                        gGL.setColorMask(true, true);

+                        glClearColor(clearColor.mV[0],clearColor.mV[1],clearColor.mV[2],0);

+                        glClear(GL_DEPTH_BUFFER_BIT | GL_COLOR_BUFFER_BIT); // no stencil -- deprecated | GL_STENCIL_BUFFER_BIT);

+                        gGL.setColorMask(true, false);

+                        glPolygonMode( GL_FRONT_AND_BACK, GL_FILL );

+                    }

+

+                    //NavMesh

+                    if ( pathfindingConsole->isRenderNavMesh() )

+                    {

+                        gGL.flush();

+                        glLineWidth(2.0f);

+                        LLGLEnable cull(GL_CULL_FACE);

+                        LLGLDisable blend(GL_BLEND);

+

+                        if ( pathfindingConsole->isRenderWorld() )

+                        {

+                            LLGLEnable blend(GL_BLEND);

+                            gPathfindingProgram.uniform1f(sAlphaScale, 0.66f);

+                            llPathingLibInstance->renderNavMesh();

+                        }

+                        else

+                        {

+                            llPathingLibInstance->renderNavMesh();

+                        }

+

+                        //render edges

+                        gPathfindingNoNormalsProgram.bind();

+                        gPathfindingNoNormalsProgram.uniform1f(sTint, 1.f);

+                        gPathfindingNoNormalsProgram.uniform1f(sAlphaScale, 1.f);

+                        llPathingLibInstance->renderNavMeshEdges();

+                        gPathfindingProgram.bind();

+

+                        gGL.flush();

+                        glPolygonMode( GL_FRONT_AND_BACK, GL_FILL );

+                        glLineWidth(1.0f);

+                        gGL.flush();

+                    }

+                    //User designated path

+                    if ( LLPathfindingPathTool::getInstance()->isRenderPath() )

+                    {

+                        //The path

+                        gUIProgram.bind();

+                        gGL.getTexUnit(0)->bind(LLViewerFetchedTexture::sWhiteImagep);

+                        llPathingLibInstance->renderPath();

+                        gPathfindingProgram.bind();

+

+                        //The bookends

+                        //remove blending artifacts

+                        gGL.setColorMask(false, false);

+                        llPathingLibInstance->renderPathBookend( gGL, LLPathingLib::LLPL_START );

+                        llPathingLibInstance->renderPathBookend( gGL, LLPathingLib::LLPL_END );

+

+                        gGL.setColorMask(true, false);

+                        //render the bookends

+                        LLGLEnable blend(GL_BLEND);

+                        gPathfindingProgram.uniform1f(sAlphaScale, 0.90f);

+                        llPathingLibInstance->renderPathBookend( gGL, LLPathingLib::LLPL_START );

+                        llPathingLibInstance->renderPathBookend( gGL, LLPathingLib::LLPL_END );

+                        gPathfindingProgram.bind();

+                    }

+

+                    if ( pathfindingConsole->isRenderWaterPlane() )

+                    {

+                        LLGLEnable blend(GL_BLEND);

+                        gPathfindingProgram.uniform1f(sAlphaScale, 0.90f);

+                        llPathingLibInstance->renderSimpleShapes( gGL, gAgent.getRegion()->getWaterHeight() );

+                    }

+                //physics/exclusion shapes

+                if ( pathfindingConsole->isRenderAnyShapes() )

+                {

+                        U32 render_order[] = {

+                            1 << LLPathingLib::LLST_ObstacleObjects,

+                            1 << LLPathingLib::LLST_WalkableObjects,

+                            1 << LLPathingLib::LLST_ExclusionPhantoms,

+                            1 << LLPathingLib::LLST_MaterialPhantoms,

+                        };

+

+                        U32 flags = pathfindingConsole->getRenderShapeFlags();

+

+                        for (U32 i = 0; i < 4; i++)

+                        {

+                            if (!(flags & render_order[i]))

+                            {

+                                continue;

+                            }

+

+                            //turn off backface culling for volumes so they are visible when camera is inside volume

+                            LLGLDisable cull(i >= 2 ? GL_CULL_FACE : 0);

+

+                            gGL.flush();

+                            glPolygonMode( GL_FRONT_AND_BACK, GL_FILL );

+

+                            //get rid of some z-fighting

+                            LLGLEnable polyOffset(GL_POLYGON_OFFSET_FILL);

+                            glPolygonOffset(1.0f, 1.0f);

+

+                            //render to depth first to avoid blending artifacts

+                            gGL.setColorMask(false, false);

+                            llPathingLibInstance->renderNavMeshShapesVBO( render_order[i] );

+                            gGL.setColorMask(true, false);

+

+                            //get rid of some z-fighting

+                            glPolygonOffset(0.f, 0.f);

+

+                            LLGLEnable blend(GL_BLEND);

+

+                            {

+                                gPathfindingProgram.uniform1f(sAmbiance, ambiance);

+

+                                { //draw solid overlay

+                                    LLGLDepthTest depth(GL_TRUE, GL_FALSE, GL_LEQUAL);

+                                    llPathingLibInstance->renderNavMeshShapesVBO( render_order[i] );

+                                    gGL.flush();

+                                }

+

+                                LLGLEnable lineOffset(GL_POLYGON_OFFSET_LINE);

+                                glPolygonMode( GL_FRONT_AND_BACK, GL_LINE );

+

+                                F32 offset = gSavedSettings.getF32("PathfindingLineOffset");

+

+                                if (pathfindingConsole->isRenderXRay())

+                                {

+                                    gPathfindingProgram.uniform1f(sTint, gSavedSettings.getF32("PathfindingXRayTint"));

+                                    gPathfindingProgram.uniform1f(sAlphaScale, gSavedSettings.getF32("PathfindingXRayOpacity"));

+                                    LLGLEnable blend(GL_BLEND);

+                                    LLGLDepthTest depth(GL_TRUE, GL_FALSE, GL_GREATER);

+

+                                    glPolygonOffset(offset, -offset);

+

+                                    if (gSavedSettings.getBOOL("PathfindingXRayWireframe"))

+                                    { //draw hidden wireframe as darker and less opaque

+                                        gPathfindingProgram.uniform1f(sAmbiance, 1.f);

+                                        llPathingLibInstance->renderNavMeshShapesVBO( render_order[i] );

+                                    }

+                                    else

+                                    {

+                                        glPolygonMode( GL_FRONT_AND_BACK, GL_FILL );

+                                        gPathfindingProgram.uniform1f(sAmbiance, ambiance);

+                                        llPathingLibInstance->renderNavMeshShapesVBO( render_order[i] );

+                                        glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);

+                                    }

+                                }

+

+                                { //draw visible wireframe as brighter, thicker and more opaque

+                                    glPolygonOffset(offset, offset);

+                                    gPathfindingProgram.uniform1f(sAmbiance, 1.f);

+                                    gPathfindingProgram.uniform1f(sTint, 1.f);

+                                    gPathfindingProgram.uniform1f(sAlphaScale, 1.f);

+

+                                    glLineWidth(gSavedSettings.getF32("PathfindingLineWidth"));

+                                    LLGLDisable blendOut(GL_BLEND);

+                                    llPathingLibInstance->renderNavMeshShapesVBO( render_order[i] );

+                                    gGL.flush();

+                                    glLineWidth(1.f);

+                                }

+

+                                glPolygonMode( GL_FRONT_AND_BACK, GL_FILL );

+                            }

+                        }

+                    }

+

+                    glPolygonOffset(0.f, 0.f);

+

+                    if ( pathfindingConsole->isRenderNavMesh() && pathfindingConsole->isRenderXRay() )

+                    {   //render navmesh xray

+                        F32 ambiance = gSavedSettings.getF32("PathfindingAmbiance");

+

+                        LLGLEnable lineOffset(GL_POLYGON_OFFSET_LINE);

+                        LLGLEnable polyOffset(GL_POLYGON_OFFSET_FILL);

+

+                        F32 offset = gSavedSettings.getF32("PathfindingLineOffset");

+                        glPolygonOffset(offset, -offset);

+

+                        LLGLEnable blend(GL_BLEND);

+                        LLGLDepthTest depth(GL_TRUE, GL_FALSE, GL_GREATER);

+                        gGL.flush();

+                        glLineWidth(2.0f);

+                        LLGLEnable cull(GL_CULL_FACE);

+

+                        gPathfindingProgram.uniform1f(sTint, gSavedSettings.getF32("PathfindingXRayTint"));

+                        gPathfindingProgram.uniform1f(sAlphaScale, gSavedSettings.getF32("PathfindingXRayOpacity"));

+

+                        if (gSavedSettings.getBOOL("PathfindingXRayWireframe"))

+                        { //draw hidden wireframe as darker and less opaque

+                            glPolygonMode( GL_FRONT_AND_BACK, GL_LINE );

+                            gPathfindingProgram.uniform1f(sAmbiance, 1.f);

+                            llPathingLibInstance->renderNavMesh();

+                            glPolygonMode( GL_FRONT_AND_BACK, GL_FILL );

+                        }

+                        else

+                        {

+                            gPathfindingProgram.uniform1f(sAmbiance, ambiance);

+                            llPathingLibInstance->renderNavMesh();

+                        }

+

+                        //render edges

+                        gPathfindingNoNormalsProgram.bind();

+                        gPathfindingNoNormalsProgram.uniform1f(sTint, gSavedSettings.getF32("PathfindingXRayTint"));

+                        gPathfindingNoNormalsProgram.uniform1f(sAlphaScale, gSavedSettings.getF32("PathfindingXRayOpacity"));

+                        llPathingLibInstance->renderNavMeshEdges();

+                        gPathfindingProgram.bind();

+

+                        gGL.flush();

+                        glLineWidth(1.0f);

+                    }

+

+                    glPolygonOffset(0.f, 0.f);

+

+                    gGL.flush();

+                    gPathfindingProgram.unbind();

+                }

+            }

+        }

+    }

+

+    gGLLastMatrix = NULL;

+    gGL.loadMatrix(gGLModelView);

+    gGL.setColorMask(true, false);

+

+

+    if (!hud_only && !mDebugBlips.empty())

+    { //render debug blips

+        gUIProgram.bind();

+        gGL.color4f(1, 1, 1, 1);

+

+        gGL.getTexUnit(0)->bind(LLViewerFetchedTexture::sWhiteImagep, true);

+

+        glPointSize(8.f);

+        LLGLDepthTest depth(GL_TRUE, GL_TRUE, GL_ALWAYS);

+

+        gGL.begin(LLRender::POINTS);

+        for (std::list<DebugBlip>::iterator iter = mDebugBlips.begin(); iter != mDebugBlips.end(); )

+        {

+            DebugBlip& blip = *iter;

+

+            blip.mAge += gFrameIntervalSeconds.value();

+            if (blip.mAge > 2.f)

+            {

+                mDebugBlips.erase(iter++);

+            }

+            else

+            {

+                iter++;

+            }

+

+            blip.mPosition.mV[2] += gFrameIntervalSeconds.value()*2.f;

+

+            gGL.color4fv(blip.mColor.mV);

+            gGL.vertex3fv(blip.mPosition.mV);

+        }

+        gGL.end();

+        gGL.flush();

+        glPointSize(1.f);

+    }

+

+    // Debug stuff.

+    for (LLWorld::region_list_t::const_iterator iter = LLWorld::getInstance()->getRegionList().begin();

+            iter != LLWorld::getInstance()->getRegionList().end(); ++iter)

+    {

+        LLViewerRegion* region = *iter;

+        for (U32 i = 0; i < LLViewerRegion::NUM_PARTITIONS; i++)

+        {

+            LLSpatialPartition* part = region->getSpatialPartition(i);

+            if (part)

+            {

+                if ( (hud_only && (part->mDrawableType == RENDER_TYPE_HUD || part->mDrawableType == RENDER_TYPE_HUD_PARTICLES)) ||

+                     (!hud_only && hasRenderType(part->mDrawableType)) )

+                {

+                    part->renderDebug();

+                }

+            }

+        }

+    }

+

+    for (LLCullResult::bridge_iterator i = sCull->beginVisibleBridge(); i != sCull->endVisibleBridge(); ++i)

+    {

+        LLSpatialBridge* bridge = *i;

+        if (!bridge->isDead() && hasRenderType(bridge->mDrawableType))

+        {

+            gGL.pushMatrix();

+            gGL.multMatrix((F32*)bridge->mDrawable->getRenderMatrix().mMatrix);

+            bridge->renderDebug();

+            gGL.popMatrix();

+        }

+    }

+

+    if (gPipeline.hasRenderDebugMask(LLPipeline::RENDER_DEBUG_OCCLUSION))

+    { //render visible selected group occlusion geometry

+        gDebugProgram.bind();

+        LLGLDepthTest depth(GL_TRUE, GL_FALSE);

+        gGL.diffuseColor3f(1,0,1);

+        for (std::set<LLSpatialGroup*>::iterator iter = visible_selected_groups.begin(); iter != visible_selected_groups.end(); ++iter)

+        {

+            LLSpatialGroup* group = *iter;

+

+            LLVector4a fudge;

+            fudge.splat(0.25f); //SG_OCCLUSION_FUDGE

+

+            LLVector4a size;

+            const LLVector4a* bounds = group->getBounds();

+            size.setAdd(fudge, bounds[1]);

+

+            drawBox(bounds[0], size);

+        }

+    }

+

+    visible_selected_groups.clear();

+

+    //draw reflection probes and links between them

+    if (gPipeline.hasRenderDebugMask(LLPipeline::RENDER_DEBUG_REFLECTION_PROBES) && !hud_only)

+    {

+        mReflectionMapManager.renderDebug();

+    }

+

+    if (gSavedSettings.getBOOL("RenderReflectionProbeVolumes") && !hud_only)

+    {

+        LL_PROFILE_ZONE_NAMED_CATEGORY_PIPELINE("probe debug display");

+

+        bindDeferredShader(gReflectionProbeDisplayProgram, NULL);

+        mScreenTriangleVB->setBuffer();

+

+        LLGLEnable blend(GL_BLEND);

+        LLGLDepthTest depth(GL_FALSE);

+

+        mScreenTriangleVB->drawArrays(LLRender::TRIANGLES, 0, 3);

+

+        unbindDeferredShader(gReflectionProbeDisplayProgram);

+    }

+

+    gUIProgram.bind();

+

+    if (hasRenderDebugMask(LLPipeline::RENDER_DEBUG_RAYCAST) && !hud_only)

+    { //draw crosshairs on particle intersection

+        if (gDebugRaycastParticle)

+        {

+            gDebugProgram.bind();

+

+            gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);

+

+            LLVector3 center(gDebugRaycastParticleIntersection.getF32ptr());

+            LLVector3 size(0.1f, 0.1f, 0.1f);

+

+            LLVector3 p[6];

+

+            p[0] = center + size.scaledVec(LLVector3(1,0,0));

+            p[1] = center + size.scaledVec(LLVector3(-1,0,0));

+            p[2] = center + size.scaledVec(LLVector3(0,1,0));

+            p[3] = center + size.scaledVec(LLVector3(0,-1,0));

+            p[4] = center + size.scaledVec(LLVector3(0,0,1));

+            p[5] = center + size.scaledVec(LLVector3(0,0,-1));

+

+            gGL.begin(LLRender::LINES);

+            gGL.diffuseColor3f(1.f, 1.f, 0.f);

+            for (U32 i = 0; i < 6; i++)

+            {

+                gGL.vertex3fv(p[i].mV);

+            }

+            gGL.end();

+            gGL.flush();

+

+            gDebugProgram.unbind();

+        }

+    }

+

+    if (hasRenderDebugMask(LLPipeline::RENDER_DEBUG_SHADOW_FRUSTA) && !hud_only)

+    {

+        LLVertexBuffer::unbind();

+

+        LLGLEnable blend(GL_BLEND);

+        LLGLDepthTest depth(true, false);

+        LLGLDisable cull(GL_CULL_FACE);

+

+        gGL.color4f(1,1,1,1);

+        gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);

+

+        F32 a = 0.1f;

+

+        F32 col[] =

+        {

+            1,0,0,a,

+            0,1,0,a,

+            0,0,1,a,

+            1,0,1,a,

+

+            1,1,0,a,

+            0,1,1,a,

+            1,1,1,a,

+            1,0,1,a,

+        };

+

+        for (U32 i = 0; i < 8; i++)

+        {

+            LLVector3* frust = mShadowCamera[i].mAgentFrustum;

+

+            if (i > 3)

+            { //render shadow frusta as volumes

+                if (mShadowFrustPoints[i-4].empty())

+                {

+                    continue;

+                }

+

+                gGL.color4fv(col+(i-4)*4);

+

+                gGL.begin(LLRender::TRIANGLE_STRIP);

+                gGL.vertex3fv(frust[0].mV); gGL.vertex3fv(frust[4].mV);

+                gGL.vertex3fv(frust[1].mV); gGL.vertex3fv(frust[5].mV);

+                gGL.vertex3fv(frust[2].mV); gGL.vertex3fv(frust[6].mV);

+                gGL.vertex3fv(frust[3].mV); gGL.vertex3fv(frust[7].mV);

+                gGL.vertex3fv(frust[0].mV); gGL.vertex3fv(frust[4].mV);

+                gGL.end();

+

+

+                gGL.begin(LLRender::TRIANGLE_STRIP);

+                gGL.vertex3fv(frust[0].mV);

+                gGL.vertex3fv(frust[1].mV);

+                gGL.vertex3fv(frust[3].mV);

+                gGL.vertex3fv(frust[2].mV);

+                gGL.end();

+

+                gGL.begin(LLRender::TRIANGLE_STRIP);

+                gGL.vertex3fv(frust[4].mV);

+                gGL.vertex3fv(frust[5].mV);

+                gGL.vertex3fv(frust[7].mV);

+                gGL.vertex3fv(frust[6].mV);

+                gGL.end();

+            }

+

+

+            if (i < 4)

+            {

+

+                //if (i == 0 || !mShadowFrustPoints[i].empty())

+                {

+                    //render visible point cloud

+                    gGL.flush();

+                    glPointSize(8.f);

+                    gGL.begin(LLRender::POINTS);

+

+                    F32* c = col+i*4;

+                    gGL.color3fv(c);

+

+                    for (U32 j = 0; j < mShadowFrustPoints[i].size(); ++j)

+                        {

+                            gGL.vertex3fv(mShadowFrustPoints[i][j].mV);

+

+                        }

+                    gGL.end();

+

+                    gGL.flush();

+                    glPointSize(1.f);

+

+                    LLVector3* ext = mShadowExtents[i];

+                    LLVector3 pos = (ext[0]+ext[1])*0.5f;

+                    LLVector3 size = (ext[1]-ext[0])*0.5f;

+                    drawBoxOutline(pos, size);

+

+                    //render camera frustum splits as outlines

+                    gGL.begin(LLRender::LINES);

+                    gGL.vertex3fv(frust[0].mV); gGL.vertex3fv(frust[1].mV);

+                    gGL.vertex3fv(frust[1].mV); gGL.vertex3fv(frust[2].mV);

+                    gGL.vertex3fv(frust[2].mV); gGL.vertex3fv(frust[3].mV);

+                    gGL.vertex3fv(frust[3].mV); gGL.vertex3fv(frust[0].mV);

+                    gGL.vertex3fv(frust[4].mV); gGL.vertex3fv(frust[5].mV);

+                    gGL.vertex3fv(frust[5].mV); gGL.vertex3fv(frust[6].mV);

+                    gGL.vertex3fv(frust[6].mV); gGL.vertex3fv(frust[7].mV);

+                    gGL.vertex3fv(frust[7].mV); gGL.vertex3fv(frust[4].mV);

+                    gGL.vertex3fv(frust[0].mV); gGL.vertex3fv(frust[4].mV);

+                    gGL.vertex3fv(frust[1].mV); gGL.vertex3fv(frust[5].mV);

+                    gGL.vertex3fv(frust[2].mV); gGL.vertex3fv(frust[6].mV);

+                    gGL.vertex3fv(frust[3].mV); gGL.vertex3fv(frust[7].mV);

+                    gGL.end();

+                }

+            }

+

+            /*gGL.flush();

+            glLineWidth(16-i*2);

+            for (LLWorld::region_list_t::const_iterator iter = LLWorld::getInstance()->getRegionList().begin();

+                    iter != LLWorld::getInstance()->getRegionList().end(); ++iter)

+            {

+                LLViewerRegion* region = *iter;

+                for (U32 j = 0; j < LLViewerRegion::NUM_PARTITIONS; j++)

+                {

+                    LLSpatialPartition* part = region->getSpatialPartition(j);

+                    if (part)

+                    {

+                        if (hasRenderType(part->mDrawableType))

+                        {

+                            part->renderIntersectingBBoxes(&mShadowCamera[i]);

+                        }

+                    }

+                }

+            }

+            gGL.flush();

+            glLineWidth(1.f);*/

+        }

+    }

+

+    if (mRenderDebugMask & RENDER_DEBUG_WIND_VECTORS)

+    {

+        gAgent.getRegion()->mWind.renderVectors();

+    }

+

+    if (mRenderDebugMask & RENDER_DEBUG_COMPOSITION)

+    {

+        // Debug composition layers

+        F32 x, y;

+

+        gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);

+

+        if (gAgent.getRegion())

+        {

+            gGL.begin(LLRender::POINTS);

+            // Draw the composition layer for the region that I'm in.

+            for (x = 0; x <= 260; x++)

+            {

+                for (y = 0; y <= 260; y++)

+                {

+                    if ((x > 255) || (y > 255))

+                    {

+                        gGL.color4f(1.f, 0.f, 0.f, 1.f);

+                    }

+                    else

+                    {

+                        gGL.color4f(0.f, 0.f, 1.f, 1.f);

+                    }

+                    F32 z = gAgent.getRegion()->getCompositionXY((S32)x, (S32)y);

+                    z *= 5.f;

+                    z += 50.f;

+                    gGL.vertex3f(x, y, z);

+                }

+            }

+            gGL.end();

+        }

+    }

+

+    gGL.flush();

+    gUIProgram.unbind();

+}

+

+void LLPipeline::rebuildPools()

+{

+    LL_PROFILE_ZONE_SCOPED_CATEGORY_PIPELINE;

+

+    assertInitialized();

+

+    S32 max_count = mPools.size();

+    pool_set_t::iterator iter1 = mPools.upper_bound(mLastRebuildPool);

+    while(max_count > 0 && mPools.size() > 0) // && num_rebuilds < MAX_REBUILDS)

+    {

+        if (iter1 == mPools.end())

+        {

+            iter1 = mPools.begin();

+        }

+        LLDrawPool* poolp = *iter1;

+

+        if (poolp->isDead())

+        {

+            mPools.erase(iter1++);

+            removeFromQuickLookup( poolp );

+            if (poolp == mLastRebuildPool)

+            {

+                mLastRebuildPool = NULL;

+            }

+            delete poolp;

+        }

+        else

+        {

+            mLastRebuildPool = poolp;

+            iter1++;

+        }

+        max_count--;

+    }

+}

+

+void LLPipeline::addToQuickLookup( LLDrawPool* new_poolp )

+{

+    assertInitialized();

+

+    switch( new_poolp->getType() )

+    {

+    case LLDrawPool::POOL_SIMPLE:

+        if (mSimplePool)

+        {

+            llassert(0);

+            LL_WARNS() << "Ignoring duplicate simple pool." << LL_ENDL;

+        }

+        else

+        {

+            mSimplePool = (LLRenderPass*) new_poolp;

+        }

+        break;

+

+    case LLDrawPool::POOL_ALPHA_MASK:

+        if (mAlphaMaskPool)

+        {

+            llassert(0);

+            LL_WARNS() << "Ignoring duplicate alpha mask pool." << LL_ENDL;

+            break;

+        }

+        else

+        {

+            mAlphaMaskPool = (LLRenderPass*) new_poolp;

+        }

+        break;

+

+    case LLDrawPool::POOL_FULLBRIGHT_ALPHA_MASK:

+        if (mFullbrightAlphaMaskPool)

+        {

+            llassert(0);

+            LL_WARNS() << "Ignoring duplicate alpha mask pool." << LL_ENDL;

+            break;

+        }

+        else

+        {

+            mFullbrightAlphaMaskPool = (LLRenderPass*) new_poolp;

+        }

+        break;

+

+    case LLDrawPool::POOL_GRASS:

+        if (mGrassPool)

+        {

+            llassert(0);

+            LL_WARNS() << "Ignoring duplicate grass pool." << LL_ENDL;

+        }

+        else

+        {

+            mGrassPool = (LLRenderPass*) new_poolp;

+        }

+        break;

+

+    case LLDrawPool::POOL_FULLBRIGHT:

+        if (mFullbrightPool)

+        {

+            llassert(0);

+            LL_WARNS() << "Ignoring duplicate simple pool." << LL_ENDL;

+        }

+        else

+        {

+            mFullbrightPool = (LLRenderPass*) new_poolp;

+        }

+        break;

+

+    case LLDrawPool::POOL_GLOW:

+        if (mGlowPool)

+        {

+            llassert(0);

+            LL_WARNS() << "Ignoring duplicate glow pool." << LL_ENDL;

+        }

+        else

+        {

+            mGlowPool = (LLRenderPass*) new_poolp;

+        }

+        break;

+

+    case LLDrawPool::POOL_TREE:

+        mTreePools[ uintptr_t(new_poolp->getTexture()) ] = new_poolp ;

+        break;

+

+    case LLDrawPool::POOL_TERRAIN:

+        mTerrainPools[ uintptr_t(new_poolp->getTexture()) ] = new_poolp ;

+        break;

+

+    case LLDrawPool::POOL_BUMP:

+        if (mBumpPool)

+        {

+            llassert(0);

+            LL_WARNS() << "Ignoring duplicate bump pool." << LL_ENDL;

+        }

+        else

+        {

+            mBumpPool = new_poolp;

+        }

+        break;

+    case LLDrawPool::POOL_MATERIALS:

+        if (mMaterialsPool)

+        {

+            llassert(0);

+            LL_WARNS() << "Ignorning duplicate materials pool." << LL_ENDL;

+        }

+        else

+        {

+            mMaterialsPool = new_poolp;

+        }

+        break;

+    case LLDrawPool::POOL_ALPHA_PRE_WATER:

+        if( mAlphaPoolPreWater )

+        {

+            llassert(0);

+            LL_WARNS() << "LLPipeline::addPool(): Ignoring duplicate Alpha pre-water pool" << LL_ENDL;

+        }

+        else

+        {

+            mAlphaPoolPreWater = (LLDrawPoolAlpha*) new_poolp;

+        }

+        break;

+    case LLDrawPool::POOL_ALPHA_POST_WATER:

+        if (mAlphaPoolPostWater)

+        {

+            llassert(0);

+            LL_WARNS() << "LLPipeline::addPool(): Ignoring duplicate Alpha post-water pool" << LL_ENDL;

+        }

+        else

+        {

+            mAlphaPoolPostWater = (LLDrawPoolAlpha*)new_poolp;

+        }

+        break;

+

+    case LLDrawPool::POOL_AVATAR:

+    case LLDrawPool::POOL_CONTROL_AV:

+        break; // Do nothing

+

+    case LLDrawPool::POOL_SKY:

+        if( mSkyPool )

+        {

+            llassert(0);

+            LL_WARNS() << "LLPipeline::addPool(): Ignoring duplicate Sky pool" << LL_ENDL;

+        }

+        else

+        {

+            mSkyPool = new_poolp;

+        }

+        break;

+

+    case LLDrawPool::POOL_WATER:

+        if( mWaterPool )

+        {

+            llassert(0);

+            LL_WARNS() << "LLPipeline::addPool(): Ignoring duplicate Water pool" << LL_ENDL;

+        }

+        else

+        {

+            mWaterPool = new_poolp;

+        }

+        break;

+

+    case LLDrawPool::POOL_WL_SKY:

+        if( mWLSkyPool )

+        {

+            llassert(0);

+            LL_WARNS() << "LLPipeline::addPool(): Ignoring duplicate WLSky Pool" << LL_ENDL;

+        }

+        else

+        {

+            mWLSkyPool = new_poolp;

+        }

+        break;

+

+    case LLDrawPool::POOL_GLTF_PBR:

+        if( mPBROpaquePool )

+        {

+            llassert(0);

+            LL_WARNS() << "LLPipeline::addPool(): Ignoring duplicate PBR Opaque Pool" << LL_ENDL;

+        }

+        else

+        {

+            mPBROpaquePool = new_poolp;

+        }

+        break;

+

+    case LLDrawPool::POOL_GLTF_PBR_ALPHA_MASK:

+        if (mPBRAlphaMaskPool)

+        {

+            llassert(0);

+            LL_WARNS() << "LLPipeline::addPool(): Ignoring duplicate PBR Alpha Mask Pool" << LL_ENDL;

+        }

+        else

+        {

+            mPBRAlphaMaskPool = new_poolp;

+        }

+        break;

+

+

+    default:

+        llassert(0);

+        LL_WARNS() << "Invalid Pool Type in  LLPipeline::addPool()" << LL_ENDL;

+        break;

+    }

+}

+

+void LLPipeline::removePool( LLDrawPool* poolp )

+{

+    assertInitialized();

+    removeFromQuickLookup(poolp);

+    mPools.erase(poolp);

+    delete poolp;

+}

+

+void LLPipeline::removeFromQuickLookup( LLDrawPool* poolp )

+{

+    assertInitialized();

+    switch( poolp->getType() )

+    {

+    case LLDrawPool::POOL_SIMPLE:

+        llassert(mSimplePool == poolp);

+        mSimplePool = NULL;

+        break;

+

+    case LLDrawPool::POOL_ALPHA_MASK:

+        llassert(mAlphaMaskPool == poolp);

+        mAlphaMaskPool = NULL;

+        break;

+

+    case LLDrawPool::POOL_FULLBRIGHT_ALPHA_MASK:

+        llassert(mFullbrightAlphaMaskPool == poolp);

+        mFullbrightAlphaMaskPool = NULL;

+        break;

+

+    case LLDrawPool::POOL_GRASS:

+        llassert(mGrassPool == poolp);

+        mGrassPool = NULL;

+        break;

+

+    case LLDrawPool::POOL_FULLBRIGHT:

+        llassert(mFullbrightPool == poolp);

+        mFullbrightPool = NULL;

+        break;

+

+    case LLDrawPool::POOL_WL_SKY:

+        llassert(mWLSkyPool == poolp);

+        mWLSkyPool = NULL;

+        break;

+

+    case LLDrawPool::POOL_GLOW:

+        llassert(mGlowPool == poolp);

+        mGlowPool = NULL;

+        break;

+

+    case LLDrawPool::POOL_TREE:

+        #ifdef _DEBUG

+            {

+                bool found = mTreePools.erase( (uintptr_t)poolp->getTexture() );

+                llassert( found );

+            }

+        #else

+            mTreePools.erase( (uintptr_t)poolp->getTexture() );

+        #endif

+        break;

+

+    case LLDrawPool::POOL_TERRAIN:

+        #ifdef _DEBUG

+            {

+                bool found = mTerrainPools.erase( (uintptr_t)poolp->getTexture() );

+                llassert( found );

+            }

+        #else

+            mTerrainPools.erase( (uintptr_t)poolp->getTexture() );

+        #endif

+        break;

+

+    case LLDrawPool::POOL_BUMP:

+        llassert( poolp == mBumpPool );

+        mBumpPool = NULL;

+        break;

+

+    case LLDrawPool::POOL_MATERIALS:

+        llassert(poolp == mMaterialsPool);

+        mMaterialsPool = NULL;

+        break;

+

+    case LLDrawPool::POOL_ALPHA_PRE_WATER:

+        llassert( poolp == mAlphaPoolPreWater );

+        mAlphaPoolPreWater = nullptr;

+        break;

+

+    case LLDrawPool::POOL_ALPHA_POST_WATER:

+        llassert(poolp == mAlphaPoolPostWater);

+        mAlphaPoolPostWater = nullptr;

+        break;

+

+    case LLDrawPool::POOL_AVATAR:

+    case LLDrawPool::POOL_CONTROL_AV:

+        break; // Do nothing

+

+    case LLDrawPool::POOL_SKY:

+        llassert( poolp == mSkyPool );

+        mSkyPool = NULL;

+        break;

+

+    case LLDrawPool::POOL_WATER:

+        llassert( poolp == mWaterPool );

+        mWaterPool = NULL;

+        break;

+

+    case LLDrawPool::POOL_GLTF_PBR:

+        llassert( poolp == mPBROpaquePool );

+        mPBROpaquePool = NULL;

+        break;

+

+    case LLDrawPool::POOL_GLTF_PBR_ALPHA_MASK:

+        llassert(poolp == mPBRAlphaMaskPool);

+        mPBRAlphaMaskPool = NULL;

+        break;

+

+    default:

+        llassert(0);

+        LL_WARNS() << "Invalid Pool Type in  LLPipeline::removeFromQuickLookup() type=" << poolp->getType() << LL_ENDL;

+        break;

+    }

+}

+

+void LLPipeline::resetDrawOrders()

+{

+    LL_PROFILE_ZONE_SCOPED_CATEGORY_PIPELINE;

+    assertInitialized();

+    // Iterate through all of the draw pools and rebuild them.

+    for (pool_set_t::iterator iter = mPools.begin(); iter != mPools.end(); ++iter)

+    {

+        LLDrawPool *poolp = *iter;

+        poolp->resetDrawOrders();

+    }

+}

+

+//============================================================================

+// Once-per-frame setup of hardware lights,

+// including sun/moon, avatar backlight, and up to 6 local lights

+

+void LLPipeline::setupAvatarLights(bool for_edit)

+{

+    assertInitialized();

+

+    LLEnvironment& environment = LLEnvironment::instance();

+    LLSettingsSky::ptr_t psky = environment.getCurrentSky();

+

+    bool sun_up = environment.getIsSunUp();

+

+

+    if (for_edit)

+    {

+        LLColor4 diffuse(1.f, 1.f, 1.f, 0.f);

+        LLVector4 light_pos_cam(-8.f, 0.25f, 10.f, 0.f);  // w==0 => directional light

+        LLMatrix4 camera_mat = LLViewerCamera::getInstance()->getModelview();

+        LLMatrix4 camera_rot(camera_mat.getMat3());

+        camera_rot.invert();

+        LLVector4 light_pos = light_pos_cam * camera_rot;

+

+        light_pos.normalize();

+

+        LLLightState* light = gGL.getLight(1);

+

+        mHWLightColors[1] = diffuse;

+

+        light->setDiffuse(diffuse);

+        light->setAmbient(LLColor4::black);

+        light->setSpecular(LLColor4::black);

+        light->setPosition(light_pos);

+        light->setConstantAttenuation(1.f);

+        light->setLinearAttenuation(0.f);

+        light->setQuadraticAttenuation(0.f);

+        light->setSpotExponent(0.f);

+        light->setSpotCutoff(180.f);

+    }

+    else if (gAvatarBacklight)

+    {

+        LLVector3 light_dir = sun_up ? LLVector3(mSunDir) : LLVector3(mMoonDir);

+        LLVector3 opposite_pos = -light_dir;

+        LLVector3 orthog_light_pos = light_dir % LLVector3::z_axis;

+        LLVector4 backlight_pos = LLVector4(lerp(opposite_pos, orthog_light_pos, 0.3f), 0.0f);

+        backlight_pos.normalize();

+

+        LLColor4 light_diffuse = sun_up ? mSunDiffuse : mMoonDiffuse;

+

+        LLColor4 backlight_diffuse(1.f - light_diffuse.mV[VRED], 1.f - light_diffuse.mV[VGREEN], 1.f - light_diffuse.mV[VBLUE], 1.f);

+        F32 max_component = 0.001f;

+        for (S32 i = 0; i < 3; i++)

+        {

+            if (backlight_diffuse.mV[i] > max_component)

+            {

+                max_component = backlight_diffuse.mV[i];

+            }

+        }

+        F32 backlight_mag;

+        if (LLEnvironment::instance().getIsSunUp())

+        {

+            backlight_mag = BACKLIGHT_DAY_MAGNITUDE_OBJECT;

+        }

+        else

+        {

+            backlight_mag = BACKLIGHT_NIGHT_MAGNITUDE_OBJECT;

+        }

+        backlight_diffuse *= backlight_mag / max_component;

+

+        mHWLightColors[1] = backlight_diffuse;

+

+        LLLightState* light = gGL.getLight(1);

+

+        light->setPosition(backlight_pos);

+        light->setDiffuse(backlight_diffuse);

+        light->setAmbient(LLColor4::black);

+        light->setSpecular(LLColor4::black);

+        light->setConstantAttenuation(1.f);

+        light->setLinearAttenuation(0.f);

+        light->setQuadraticAttenuation(0.f);

+        light->setSpotExponent(0.f);

+        light->setSpotCutoff(180.f);

+    }

+    else

+    {

+        LLLightState* light = gGL.getLight(1);

+

+        mHWLightColors[1] = LLColor4::black;

+

+        light->setDiffuse(LLColor4::black);

+        light->setAmbient(LLColor4::black);

+        light->setSpecular(LLColor4::black);

+    }

+}

+

+static F32 calc_light_dist(LLVOVolume* light, const LLVector3& cam_pos, F32 max_dist)

+{

+    LL_PROFILE_ZONE_SCOPED_CATEGORY_DRAWPOOL;

+    F32 inten = light->getLightIntensity();

+    if (inten < .001f)

+    {

+        return max_dist;

+    }

+    bool selected = light->isSelected();

+    if (selected)

+    {

+        return 0.f; // selected lights get highest priority

+    }

+    F32 radius = light->getLightRadius();

+    F32 dist = dist_vec(light->getRenderPosition(), cam_pos);

+    dist = llmax(dist - radius, 0.f);

+    if (light->mDrawable.notNull() && light->mDrawable->isState(LLDrawable::ACTIVE))

+    {

+        // moving lights get a little higher priority (too much causes artifacts)

+        dist = llmax(dist - light->getLightRadius()*0.25f, 0.f);

+    }

+    return dist;

+}

+

+void LLPipeline::calcNearbyLights(LLCamera& camera)

+{

+    LL_PROFILE_ZONE_SCOPED_CATEGORY_DRAWPOOL;

+    assertInitialized();

+

+    if (LLPipeline::sReflectionRender || gCubeSnapshot || LLPipeline::sRenderingHUDs)

+    {

+        return;

+    }

+

+    static LLCachedControl<S32> local_light_count(gSavedSettings, "RenderLocalLightCount", 256);

+

+    if (local_light_count >= 1)

+    {

+        // mNearbyLight (and all light_set_t's) are sorted such that

+        // begin() == the closest light and rbegin() == the farthest light

+        const S32 MAX_LOCAL_LIGHTS = 6;

+        LLVector3 cam_pos = camera.getOrigin();

+

+        F32 max_dist;

+        if (LLPipeline::sRenderDeferred)

+        {

+            max_dist = RenderFarClip;

+        }

+        else

+        {

+            max_dist = llmin(RenderFarClip, LIGHT_MAX_RADIUS * 4.f);

+        }

+

+        // UPDATE THE EXISTING NEARBY LIGHTS

+        light_set_t cur_nearby_lights;

+        for (light_set_t::iterator iter = mNearbyLights.begin();

+            iter != mNearbyLights.end(); iter++)

+        {

+            const Light* light = &(*iter);

+            LLDrawable* drawable = light->drawable;

+            const LLViewerObject *vobj = light->drawable->getVObj();

+            if(vobj && vobj->getAvatar()

+               && (vobj->getAvatar()->isTooComplex() || vobj->getAvatar()->isInMuteList() || vobj->getAvatar()->isTooSlow())

+               )

+            {

+                drawable->clearState(LLDrawable::NEARBY_LIGHT);

+                continue;

+            }

+

+            LLVOVolume* volight = drawable->getVOVolume();

+            if (!volight || !drawable->isState(LLDrawable::LIGHT))

+            {

+                drawable->clearState(LLDrawable::NEARBY_LIGHT);

+                continue;

+            }

+            if (light->fade <= -LIGHT_FADE_TIME)

+            {

+                drawable->clearState(LLDrawable::NEARBY_LIGHT);

+                continue;

+            }

+            if (!sRenderAttachedLights && volight && volight->isAttachment())

+            {

+                drawable->clearState(LLDrawable::NEARBY_LIGHT);

+                continue;

+            }

+

+            F32 dist = calc_light_dist(volight, cam_pos, max_dist);

+            F32 fade = light->fade;

+            // actual fade gets decreased/increased by setupHWLights

+            // light->fade value is 'time'.

+            // >=0 and light will become visible as value increases

+            // <0 and light will fade out

+            if (dist < max_dist)

+            {

+                if (fade < 0)

+                {

+                    // mark light to fade in

+                    // if fade was -LIGHT_FADE_TIME - it was fully invisible

+                    // if fade -0 - it was fully visible

+                    // visibility goes up from 0 to LIGHT_FADE_TIME.

+                    fade += LIGHT_FADE_TIME;

+                }

+            }

+            else

+            {

+                // mark light to fade out

+                // visibility goes down from -0 to -LIGHT_FADE_TIME.

+                if (fade >= LIGHT_FADE_TIME)

+                {

+                    fade = -0.0001f; // was fully visible

+                }

+                else if (fade >= 0)

+                {

+                    // 0.75 visible light should stay 0.75 visible, but should reverse direction

+                    fade -= LIGHT_FADE_TIME;

+                }

+            }

+            cur_nearby_lights.insert(Light(drawable, dist, fade));

+        }

+        mNearbyLights = cur_nearby_lights;

+

+        // FIND NEW LIGHTS THAT ARE IN RANGE

+        light_set_t new_nearby_lights;

+        for (LLDrawable::ordered_drawable_set_t::iterator iter = mLights.begin();

+             iter != mLights.end(); ++iter)

+        {

+            LLDrawable* drawable = *iter;

+            LLVOVolume* light = drawable->getVOVolume();

+            if (!light || drawable->isState(LLDrawable::NEARBY_LIGHT))

+            {

+                continue;

+            }

+            if (light->isHUDAttachment())

+            {

+                continue; // no lighting from HUD objects

+            }

+            if (!sRenderAttachedLights && light && light->isAttachment())

+            {

+                continue;

+            }

+            LLVOAvatar * av = light->getAvatar();

+            if (av && (av->isTooComplex() || av->isInMuteList() || av->isTooSlow()))

+            {

+                // avatars that are already in the list will be removed by removeMutedAVsLights

+                continue;

+            }

+            F32 dist = calc_light_dist(light, cam_pos, max_dist);

+            if (dist >= max_dist)

+            {

+                continue;

+            }

+            new_nearby_lights.insert(Light(drawable, dist, 0.f));

+            if (!LLPipeline::sRenderDeferred && new_nearby_lights.size() > (U32)MAX_LOCAL_LIGHTS)

+            {

+                new_nearby_lights.erase(--new_nearby_lights.end());

+                const Light& last = *new_nearby_lights.rbegin();

+                max_dist = last.dist;

+            }

+        }

+

+        // INSERT ANY NEW LIGHTS

+        for (light_set_t::iterator iter = new_nearby_lights.begin();

+             iter != new_nearby_lights.end(); iter++)

+        {

+            const Light* light = &(*iter);

+            if (LLPipeline::sRenderDeferred || mNearbyLights.size() < (U32)MAX_LOCAL_LIGHTS)

+            {

+                mNearbyLights.insert(*light);

+                ((LLDrawable*) light->drawable)->setState(LLDrawable::NEARBY_LIGHT);

+            }

+            else

+            {

+                // crazy cast so that we can overwrite the fade value

+                // even though gcc enforces sets as const

+                // (fade value doesn't affect sort so this is safe)

+                Light* farthest_light = (const_cast<Light*>(&(*(mNearbyLights.rbegin()))));

+                if (light->dist < farthest_light->dist)

+                {

+                    // mark light to fade out

+                    // visibility goes down from -0 to -LIGHT_FADE_TIME.

+                    //

+                    // This is a mess, but for now it needs to be in sync

+                    // with fade code above. Ex: code above detects distance < max,

+                    // sets fade time to positive, this code then detects closer

+                    // lights and sets fade time negative, fully compensating

+                    // for the code above

+                    if (farthest_light->fade >= LIGHT_FADE_TIME)

+                    {

+                        farthest_light->fade = -0.0001f; // was fully visible

+                    }

+                    else if (farthest_light->fade >= 0)

+                    {

+                        farthest_light->fade -= LIGHT_FADE_TIME;

+                    }

+                }

+                else

+                {

+                    break; // none of the other lights are closer

+                }

+            }

+        }

+

+        //mark nearby lights not-removable.

+        for (light_set_t::iterator iter = mNearbyLights.begin();

+             iter != mNearbyLights.end(); iter++)

+        {

+            const Light* light = &(*iter);

+            ((LLViewerOctreeEntryData*) light->drawable)->setVisible();

+        }

+    }

+}

+

+void LLPipeline::setupHWLights()

+{

+    LL_PROFILE_ZONE_SCOPED_CATEGORY_DRAWPOOL;

+    assertInitialized();

+

+    if (LLPipeline::sRenderingHUDs)

+    {

+        return;

+    }

+

+    F32 light_scale = 1.f;

+

+    if (gCubeSnapshot)

+    { //darken local lights when probe ambiance is above 1

+        light_scale = mReflectionMapManager.mLightScale;

+    }

+

+

+    LLEnvironment& environment = LLEnvironment::instance();

+    LLSettingsSky::ptr_t psky = environment.getCurrentSky();

+

+    // Ambient

+    LLColor4 ambient = psky->getTotalAmbient();

+

+    gGL.setAmbientLightColor(ambient);

+

+    bool sun_up  = environment.getIsSunUp();

+    bool moon_up = environment.getIsMoonUp();

+

+    // Light 0 = Sun or Moon (All objects)

+    {

+        LLVector4 sun_dir(environment.getSunDirection(), 0.0f);

+        LLVector4 moon_dir(environment.getMoonDirection(), 0.0f);

+

+        mSunDir.setVec(sun_dir);

+        mMoonDir.setVec(moon_dir);

+

+        mSunDiffuse.setVec(psky->getSunlightColor());

+        mMoonDiffuse.setVec(psky->getMoonlightColor());

+

+        F32 max_color = llmax(mSunDiffuse.mV[0], mSunDiffuse.mV[1], mSunDiffuse.mV[2]);

+        if (max_color > 1.f)

+        {

+            mSunDiffuse *= 1.f/max_color;

+        }

+        mSunDiffuse.clamp();

+

+        max_color = llmax(mMoonDiffuse.mV[0], mMoonDiffuse.mV[1], mMoonDiffuse.mV[2]);

+        if (max_color > 1.f)

+        {

+            mMoonDiffuse *= 1.f/max_color;

+        }

+        mMoonDiffuse.clamp();

+

+        // prevent underlighting from having neither lightsource facing us

+        if (!sun_up && !moon_up)

+        {

+            mSunDiffuse.setVec(LLColor4(0.0, 0.0, 0.0, 1.0));

+            mMoonDiffuse.setVec(LLColor4(0.0, 0.0, 0.0, 1.0));

+            mSunDir.setVec(LLVector4(0.0, 1.0, 0.0, 0.0));

+            mMoonDir.setVec(LLVector4(0.0, 1.0, 0.0, 0.0));

+        }

+

+        LLVector4 light_dir = sun_up ? mSunDir : mMoonDir;

+

+        mHWLightColors[0] = sun_up ? mSunDiffuse : mMoonDiffuse;

+

+        LLLightState* light = gGL.getLight(0);

+        light->setPosition(light_dir);

+

+        light->setSunPrimary(sun_up);

+        light->setDiffuse(mHWLightColors[0]);

+        light->setDiffuseB(mMoonDiffuse);

+        light->setAmbient(psky->getTotalAmbient());

+        light->setSpecular(LLColor4::black);

+        light->setConstantAttenuation(1.f);

+        light->setLinearAttenuation(0.f);

+        light->setQuadraticAttenuation(0.f);

+        light->setSpotExponent(0.f);

+        light->setSpotCutoff(180.f);

+    }

+

+    // Light 1 = Backlight (for avatars)

+    // (set by enableLightsAvatar)

+

+    S32 cur_light = 2;

+

+    // Nearby lights = LIGHT 2-7

+

+    mLightMovingMask = 0;

+

+    static LLCachedControl<S32> local_light_count(gSavedSettings, "RenderLocalLightCount", 256);

+

+    if (local_light_count >= 1)

+    {

+        for (light_set_t::iterator iter = mNearbyLights.begin();

+             iter != mNearbyLights.end(); ++iter)

+        {

+            LLDrawable* drawable = iter->drawable;

+            LLVOVolume* light = drawable->getVOVolume();

+            if (!light)

+            {

+                continue;

+            }

+

+            if (light->isAttachment())

+            {

+                if (!sRenderAttachedLights)

+                {

+                    continue;

+                }

+            }

+

+            if (drawable->isState(LLDrawable::ACTIVE))

+            {

+                mLightMovingMask |= (1<<cur_light);

+            }

+

+            //send linear light color to shader

+            LLColor4  light_color = light->getLightLinearColor() * light_scale;

+            light_color.mV[3] = 0.0f;

+

+            F32 fade = iter->fade;

+            if (fade < LIGHT_FADE_TIME)

+            {

+                // fade in/out light

+                if (fade >= 0.f)

+                {

+                    fade = fade / LIGHT_FADE_TIME;

+                    ((Light*) (&(*iter)))->fade += gFrameIntervalSeconds.value();

+                }

+                else

+                {

+                    fade = 1.f + fade / LIGHT_FADE_TIME;

+                    ((Light*) (&(*iter)))->fade -= gFrameIntervalSeconds.value();

+                }

+                fade = llclamp(fade,0.f,1.f);

+                light_color *= fade;

+            }

+

+            if (light_color.magVecSquared() < 0.001f)

+            {

+                continue;

+            }

+

+            LLVector3 light_pos(light->getRenderPosition());

+            LLVector4 light_pos_gl(light_pos, 1.0f);

+

+            F32 adjusted_radius = light->getLightRadius() * (sRenderDeferred ? 1.5f : 1.0f);

+            if (adjusted_radius <= 0.001f)

+            {

+                continue;

+            }

+

+            F32 x = (3.f * (1.f + (light->getLightFalloff() * 2.0f)));  // why this magic?  probably trying to match a historic behavior.

+            F32 linatten = x / adjusted_radius;                         // % of brightness at radius

+

+            mHWLightColors[cur_light] = light_color;

+            LLLightState* light_state = gGL.getLight(cur_light);

+

+            light_state->setPosition(light_pos_gl);

+            light_state->setDiffuse(light_color);

+            light_state->setAmbient(LLColor4::black);

+            light_state->setConstantAttenuation(0.f);

+            light_state->setSize(light->getLightRadius() * 1.5f);

+            light_state->setFalloff(light->getLightFalloff(DEFERRED_LIGHT_FALLOFF));

+

+            if (sRenderDeferred)

+            {

+                light_state->setLinearAttenuation(linatten);

+                light_state->setQuadraticAttenuation(light->getLightFalloff(DEFERRED_LIGHT_FALLOFF) + 1.f); // get falloff to match for forward deferred rendering lights

+            }

+            else

+            {

+                light_state->setLinearAttenuation(linatten);

+                light_state->setQuadraticAttenuation(0.f);

+            }

+

+

+            if (light->isLightSpotlight() // directional (spot-)light

+                && (LLPipeline::sRenderDeferred || RenderSpotLightsInNondeferred)) // these are only rendered as GL spotlights if we're in deferred rendering mode *or* the setting forces them on

+            {

+                LLQuaternion quat = light->getRenderRotation();

+                LLVector3 at_axis(0,0,-1); // this matches deferred rendering's object light direction

+                at_axis *= quat;

+

+                light_state->setSpotDirection(at_axis);

+                light_state->setSpotCutoff(90.f);

+                light_state->setSpotExponent(2.f);

+

+                LLVector3 spotParams = light->getSpotLightParams();

+

+                const LLColor4 specular(0.f, 0.f, 0.f, spotParams[2]);

+                light_state->setSpecular(specular);

+            }

+            else // omnidirectional (point) light

+            {

+                light_state->setSpotExponent(0.f);

+                light_state->setSpotCutoff(180.f);

+

+                // we use specular.z = 1.0 as a cheap hack for the shaders to know that this is omnidirectional rather than a spotlight

+                const LLColor4 specular(0.f, 0.f, 1.f, 0.f);

+                light_state->setSpecular(specular);

+            }

+            cur_light++;

+            if (cur_light >= 8)

+            {

+                break; // safety

+            }

+        }

+    }

+    for ( ; cur_light < 8 ; cur_light++)

+    {

+        mHWLightColors[cur_light] = LLColor4::black;

+        LLLightState* light = gGL.getLight(cur_light);

+        light->setSunPrimary(true);

+        light->setDiffuse(LLColor4::black);

+        light->setAmbient(LLColor4::black);

+        light->setSpecular(LLColor4::black);

+    }

+

+    // Bookmark comment to allow searching for mSpecialRenderMode == 3 (avatar edit mode),

+    // prev site of forward (non-deferred) character light injection, removed by SL-13522 09/20

+

+    // Init GL state

+    for (S32 i = 0; i < 8; ++i)

+    {

+        gGL.getLight(i)->disable();

+    }

+    mLightMask = 0;

+}

+

+void LLPipeline::enableLights(U32 mask)

+{

+    assertInitialized();

+

+    if (mLightMask != mask)

+    {

+        stop_glerror();

+        if (mask)

+        {

+            stop_glerror();

+            for (S32 i=0; i<8; i++)

+            {

+                LLLightState* light = gGL.getLight(i);

+                if (mask & (1<<i))

+                {

+                    light->enable();

+                    light->setDiffuse(mHWLightColors[i]);

+                }

+                else

+                {

+                    light->disable();

+                    light->setDiffuse(LLColor4::black);

+                }

+            }

+            stop_glerror();

+        }

+        mLightMask = mask;

+        stop_glerror();

+    }

+}

+

+void LLPipeline::enableLightsDynamic()

+{

+    assertInitialized();

+    U32 mask = 0xff & (~2); // Local lights

+    enableLights(mask);

+

+    if (isAgentAvatarValid())

+    {

+        if (gAgentAvatarp->mSpecialRenderMode == 0) // normal

+        {

+            gPipeline.enableLightsAvatar();

+        }

+        else if (gAgentAvatarp->mSpecialRenderMode == 2)  // anim preview

+        {

+            gPipeline.enableLightsAvatarEdit(LLColor4(0.7f, 0.6f, 0.3f, 1.f));

+        }

+    }

+}

+

+void LLPipeline::enableLightsAvatar()

+{

+    U32 mask = 0xff; // All lights

+    setupAvatarLights(false);

+    enableLights(mask);

+}

+

+void LLPipeline::enableLightsPreview()

+{

+    disableLights();

+

+    LLColor4 ambient = PreviewAmbientColor;

+    gGL.setAmbientLightColor(ambient);

+

+    LLColor4 diffuse0 = PreviewDiffuse0;

+    LLColor4 specular0 = PreviewSpecular0;

+    LLColor4 diffuse1 = PreviewDiffuse1;

+    LLColor4 specular1 = PreviewSpecular1;

+    LLColor4 diffuse2 = PreviewDiffuse2;

+    LLColor4 specular2 = PreviewSpecular2;

+

+    LLVector3 dir0 = PreviewDirection0;

+    LLVector3 dir1 = PreviewDirection1;

+    LLVector3 dir2 = PreviewDirection2;

+

+    dir0.normVec();

+    dir1.normVec();

+    dir2.normVec();

+

+    LLVector4 light_pos(dir0, 0.0f);

+

+    LLLightState* light = gGL.getLight(1);

+

+    light->enable();

+    light->setPosition(light_pos);

+    light->setDiffuse(diffuse0);

+    light->setAmbient(ambient);

+    light->setSpecular(specular0);

+    light->setSpotExponent(0.f);

+    light->setSpotCutoff(180.f);

+

+    light_pos = LLVector4(dir1, 0.f);

+

+    light = gGL.getLight(2);

+    light->enable();

+    light->setPosition(light_pos);

+    light->setDiffuse(diffuse1);

+    light->setAmbient(ambient);

+    light->setSpecular(specular1);

+    light->setSpotExponent(0.f);

+    light->setSpotCutoff(180.f);

+

+    light_pos = LLVector4(dir2, 0.f);

+    light = gGL.getLight(3);

+    light->enable();

+    light->setPosition(light_pos);

+    light->setDiffuse(diffuse2);

+    light->setAmbient(ambient);

+    light->setSpecular(specular2);

+    light->setSpotExponent(0.f);

+    light->setSpotCutoff(180.f);

+}

+

+

+void LLPipeline::enableLightsAvatarEdit(const LLColor4& color)

+{

+    U32 mask = 0x2002; // Avatar backlight only, set ambient

+    setupAvatarLights(true);

+    enableLights(mask);

+

+    gGL.setAmbientLightColor(color);

+}

+

+void LLPipeline::enableLightsFullbright()

+{

+    assertInitialized();

+    U32 mask = 0x1000; // Non-0 mask, set ambient

+    enableLights(mask);

+}

+

+void LLPipeline::disableLights()

+{

+    enableLights(0); // no lighting (full bright)

+}

+

+//============================================================================

+

+class LLMenuItemGL;

+class LLInvFVBridge;

+struct cat_folder_pair;

+class LLVOBranch;

+class LLVOLeaf;

+

+void LLPipeline::findReferences(LLDrawable *drawablep)

+{

+    assertInitialized();

+    if (mLights.find(drawablep) != mLights.end())

+    {

+        LL_INFOS() << "In mLights" << LL_ENDL;

+    }

+    if (std::find(mMovedList.begin(), mMovedList.end(), drawablep) != mMovedList.end())

+    {

+        LL_INFOS() << "In mMovedList" << LL_ENDL;

+    }

+    if (std::find(mShiftList.begin(), mShiftList.end(), drawablep) != mShiftList.end())

+    {

+        LL_INFOS() << "In mShiftList" << LL_ENDL;

+    }

+    if (mRetexturedList.find(drawablep) != mRetexturedList.end())

+    {

+        LL_INFOS() << "In mRetexturedList" << LL_ENDL;

+    }

+

+    if (std::find(mBuildQ1.begin(), mBuildQ1.end(), drawablep) != mBuildQ1.end())

+    {

+        LL_INFOS() << "In mBuildQ1" << LL_ENDL;

+    }

+

+    S32 count;

+

+    count = gObjectList.findReferences(drawablep);

+    if (count)

+    {

+        LL_INFOS() << "In other drawables: " << count << " references" << LL_ENDL;

+    }

+}

+

+bool LLPipeline::verify()

+{

+    bool ok = assertInitialized();

+    if (ok)

+    {

+        for (pool_set_t::iterator iter = mPools.begin(); iter != mPools.end(); ++iter)

+        {

+            LLDrawPool *poolp = *iter;

+            if (!poolp->verify())

+            {

+                ok = false;

+            }

+        }

+    }

+

+    if (!ok)

+    {

+        LL_WARNS() << "Pipeline verify failed!" << LL_ENDL;

+    }

+    return ok;

+}

+

+//////////////////////////////

+//

+// Collision detection

+//

+//

+

+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

+/**

+ *  A method to compute a ray-AABB intersection.

+ *  Original code by Andrew Woo, from "Graphics Gems", Academic Press, 1990

+ *  Optimized code by Pierre Terdiman, 2000 (~20-30% faster on my Celeron 500)

+ *  Epsilon value added by Klaus Hartmann. (discarding it saves a few cycles only)

+ *

+ *  Hence this version is faster as well as more robust than the original one.

+ *

+ *  Should work provided:

+ *  1) the integer representation of 0.0f is 0x00000000

+ *  2) the sign bit of the float is the most significant one

+ *

+ *  Report bugs: p.terdiman@codercorner.com

+ *

+ *  \param      aabb        [in] the axis-aligned bounding box

+ *  \param      origin      [in] ray origin

+ *  \param      dir         [in] ray direction

+ *  \param      coord       [out] impact coordinates

+ *  \return     true if ray intersects AABB

+ */

+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

+//#define RAYAABB_EPSILON 0.00001f

+#define IR(x)   ((U32&)x)

+

+bool LLRayAABB(const LLVector3 &center, const LLVector3 &size, const LLVector3& origin, const LLVector3& dir, LLVector3 &coord, F32 epsilon)

+{

+    bool Inside = true;

+    LLVector3 MinB = center - size;

+    LLVector3 MaxB = center + size;

+    LLVector3 MaxT;

+    MaxT.mV[VX]=MaxT.mV[VY]=MaxT.mV[VZ]=-1.0f;

+

+    // Find candidate planes.

+    for(U32 i=0;i<3;i++)

+    {

+        if(origin.mV[i] < MinB.mV[i])

+        {

+            coord.mV[i] = MinB.mV[i];

+            Inside      = false;

+

+            // Calculate T distances to candidate planes

+            if(IR(dir.mV[i]))   MaxT.mV[i] = (MinB.mV[i] - origin.mV[i]) / dir.mV[i];

+        }

+        else if(origin.mV[i] > MaxB.mV[i])

+        {

+            coord.mV[i] = MaxB.mV[i];

+            Inside      = false;

+

+            // Calculate T distances to candidate planes

+            if(IR(dir.mV[i]))   MaxT.mV[i] = (MaxB.mV[i] - origin.mV[i]) / dir.mV[i];

+        }

+    }

+

+    // Ray origin inside bounding box

+    if(Inside)

+    {

+        coord = origin;

+        return true;

+    }

+

+    // Get largest of the maxT's for final choice of intersection

+    U32 WhichPlane = 0;

+    if(MaxT.mV[1] > MaxT.mV[WhichPlane])    WhichPlane = 1;

+    if(MaxT.mV[2] > MaxT.mV[WhichPlane])    WhichPlane = 2;

+

+    // Check final candidate actually inside box

+    if(IR(MaxT.mV[WhichPlane])&0x80000000) return false;

+

+    for(U32 i=0;i<3;i++)

+    {

+        if(i!=WhichPlane)

+        {

+            coord.mV[i] = origin.mV[i] + MaxT.mV[WhichPlane] * dir.mV[i];

+            if (epsilon > 0)

+            {

+                if(coord.mV[i] < MinB.mV[i] - epsilon || coord.mV[i] > MaxB.mV[i] + epsilon)    return false;

+            }

+            else

+            {

+                if(coord.mV[i] < MinB.mV[i] || coord.mV[i] > MaxB.mV[i])    return false;

+            }

+        }

+    }

+    return true;    // ray hits box

+}

+

+//////////////////////////////

+//

+// Macros, functions, and inline methods from other classes

+//

+//

+

+void LLPipeline::setLight(LLDrawable *drawablep, bool is_light)

+{

+    if (drawablep && assertInitialized())

+    {

+        if (is_light)

+        {

+            mLights.insert(drawablep);

+            drawablep->setState(LLDrawable::LIGHT);

+        }

+        else

+        {

+            drawablep->clearState(LLDrawable::LIGHT);

+            mLights.erase(drawablep);

+        }

+    }

+}

+

+//static

+void LLPipeline::toggleRenderType(U32 type)

+{

+    gPipeline.mRenderTypeEnabled[type] = !gPipeline.mRenderTypeEnabled[type];

+    if (type == LLPipeline::RENDER_TYPE_WATER)

+    {

+        gPipeline.mRenderTypeEnabled[LLPipeline::RENDER_TYPE_VOIDWATER] = !gPipeline.mRenderTypeEnabled[LLPipeline::RENDER_TYPE_VOIDWATER];

+    }

+}

+

+//static

+void LLPipeline::toggleRenderTypeControl(U32 type)

+{

+    gPipeline.toggleRenderType(type);

+}

+

+//static

+bool LLPipeline::hasRenderTypeControl(U32 type)

+{

+    return gPipeline.hasRenderType(type);

+}

+

+// Allows UI items labeled "Hide foo" instead of "Show foo"

+//static

+bool LLPipeline::toggleRenderTypeControlNegated(S32 type)

+{

+    return !gPipeline.hasRenderType(type);

+}

+

+//static

+void LLPipeline::toggleRenderDebug(U64 bit)

+{

+    if (gPipeline.hasRenderDebugMask(bit))

+    {

+        LL_INFOS() << "Toggling render debug mask " << std::hex << bit << " off" << std::dec << LL_ENDL;

+    }

+    else

+    {

+        LL_INFOS() << "Toggling render debug mask " << std::hex << bit << " on" << std::dec << LL_ENDL;

+    }

+    gPipeline.mRenderDebugMask ^= bit;

+}

+

+

+//static

+bool LLPipeline::toggleRenderDebugControl(U64 bit)

+{

+    return gPipeline.hasRenderDebugMask(bit);

+}

+

+//static

+void LLPipeline::toggleRenderDebugFeature(U32 bit)

+{

+    gPipeline.mRenderDebugFeatureMask ^= bit;

+}

+

+

+//static

+bool LLPipeline::toggleRenderDebugFeatureControl(U32 bit)

+{

+    return gPipeline.hasRenderDebugFeatureMask(bit);

+}

+

+void LLPipeline::setRenderDebugFeatureControl(U32 bit, bool value)

+{

+    if (value)

+    {

+        gPipeline.mRenderDebugFeatureMask |= bit;

+    }

+    else

+    {

+        gPipeline.mRenderDebugFeatureMask &= !bit;

+    }

+}

+

+void LLPipeline::pushRenderDebugFeatureMask()

+{

+    mRenderDebugFeatureStack.push(mRenderDebugFeatureMask);

+}

+

+void LLPipeline::popRenderDebugFeatureMask()

+{

+    if (mRenderDebugFeatureStack.empty())

+    {

+        LL_ERRS() << "Depleted render feature stack." << LL_ENDL;

+    }

+

+    mRenderDebugFeatureMask = mRenderDebugFeatureStack.top();

+    mRenderDebugFeatureStack.pop();

+}

+

+// static

+void LLPipeline::setRenderScriptedBeacons(bool val)

+{

+    sRenderScriptedBeacons = val;

+}

+

+// static

+void LLPipeline::toggleRenderScriptedBeacons()

+{

+    sRenderScriptedBeacons = !sRenderScriptedBeacons;

+}

+

+// static

+bool LLPipeline::getRenderScriptedBeacons()

+{

+    return sRenderScriptedBeacons;

+}

+

+// static

+void LLPipeline::setRenderScriptedTouchBeacons(bool val)

+{

+    sRenderScriptedTouchBeacons = val;

+}

+

+// static

+void LLPipeline::toggleRenderScriptedTouchBeacons()

+{

+    sRenderScriptedTouchBeacons = !sRenderScriptedTouchBeacons;

+}

+

+// static

+bool LLPipeline::getRenderScriptedTouchBeacons()

+{

+    return sRenderScriptedTouchBeacons;

+}

+

+// static

+void LLPipeline::setRenderMOAPBeacons(bool val)

+{

+    sRenderMOAPBeacons = val;

+}

+

+// static

+void LLPipeline::toggleRenderMOAPBeacons()

+{

+    sRenderMOAPBeacons = !sRenderMOAPBeacons;

+}

+

+// static

+bool LLPipeline::getRenderMOAPBeacons()

+{

+    return sRenderMOAPBeacons;

+}

+

+// static

+void LLPipeline::setRenderPhysicalBeacons(bool val)

+{

+    sRenderPhysicalBeacons = val;

+}

+

+// static

+void LLPipeline::toggleRenderPhysicalBeacons()

+{

+    sRenderPhysicalBeacons = !sRenderPhysicalBeacons;

+}

+

+// static

+bool LLPipeline::getRenderPhysicalBeacons()

+{

+    return sRenderPhysicalBeacons;

+}

+

+// static

+void LLPipeline::setRenderParticleBeacons(bool val)

+{

+    sRenderParticleBeacons = val;

+}

+

+// static

+void LLPipeline::toggleRenderParticleBeacons()

+{

+    sRenderParticleBeacons = !sRenderParticleBeacons;

+}

+

+// static

+bool LLPipeline::getRenderParticleBeacons()

+{

+    return sRenderParticleBeacons;

+}

+

+// static

+void LLPipeline::setRenderSoundBeacons(bool val)

+{

+    sRenderSoundBeacons = val;

+}

+

+// static

+void LLPipeline::toggleRenderSoundBeacons()

+{

+    sRenderSoundBeacons = !sRenderSoundBeacons;

+}

+

+// static

+bool LLPipeline::getRenderSoundBeacons()

+{

+    return sRenderSoundBeacons;

+}

+

+// static

+void LLPipeline::setRenderBeacons(bool val)

+{

+    sRenderBeacons = val;

+}

+

+// static

+void LLPipeline::toggleRenderBeacons()

+{

+    sRenderBeacons = !sRenderBeacons;

+}

+

+// static

+bool LLPipeline::getRenderBeacons()

+{

+    return sRenderBeacons;

+}

+

+// static

+void LLPipeline::setRenderHighlights(bool val)

+{

+    sRenderHighlight = val;

+}

+

+// static

+void LLPipeline::toggleRenderHighlights()

+{

+    sRenderHighlight = !sRenderHighlight;

+}

+

+// static

+bool LLPipeline::getRenderHighlights()

+{

+    return sRenderHighlight;

+}

+

+// static

+void LLPipeline::setRenderHighlightTextureChannel(LLRender::eTexIndex channel)

+{

+    sRenderHighlightTextureChannel = channel;

+}

+

+LLVOPartGroup* LLPipeline::lineSegmentIntersectParticle(const LLVector4a& start, const LLVector4a& end, LLVector4a* intersection,

+                                                        S32* face_hit)

+{

+    LLVector4a local_end = end;

+

+    LLVector4a position;

+

+    LLDrawable* drawable = NULL;

+

+    for (LLWorld::region_list_t::const_iterator iter = LLWorld::getInstance()->getRegionList().begin();

+            iter != LLWorld::getInstance()->getRegionList().end(); ++iter)

+    {

+        LLViewerRegion* region = *iter;

+

+        LLSpatialPartition* part = region->getSpatialPartition(LLViewerRegion::PARTITION_PARTICLE);

+        if (part && hasRenderType(part->mDrawableType))

+        {

+            LLDrawable* hit = part->lineSegmentIntersect(start, local_end, true, false, true, false, face_hit, &position, NULL, NULL, NULL);

+            if (hit)

+            {

+                drawable = hit;

+                local_end = position;

+            }

+        }

+    }

+

+    LLVOPartGroup* ret = NULL;

+    if (drawable)

+    {

+        //make sure we're returning an LLVOPartGroup

+        llassert(drawable->getVObj()->getPCode() == LLViewerObject::LL_VO_PART_GROUP);

+        ret = (LLVOPartGroup*) drawable->getVObj().get();

+    }

+

+    if (intersection)

+    {

+        *intersection = position;

+    }

+

+    return ret;

+}

+

+LLViewerObject* LLPipeline::lineSegmentIntersectInWorld(const LLVector4a& start, const LLVector4a& end,

+                                                        bool pick_transparent,

+                                                        bool pick_rigged,

+                                                        bool pick_unselectable,

+                                                        bool pick_reflection_probe,

+                                                        S32* face_hit,

+                                                        LLVector4a* intersection,         // return the intersection point

+                                                        LLVector2* tex_coord,            // return the texture coordinates of the intersection point

+                                                        LLVector4a* normal,               // return the surface normal at the intersection point

+                                                        LLVector4a* tangent             // return the surface tangent at the intersection point

+    )

+{

+    LLDrawable* drawable = NULL;

+

+    LLVector4a local_end = end;

+

+    LLVector4a position;

+

+    sPickAvatar = false; //! LLToolMgr::getInstance()->inBuildMode();

+

+    for (LLWorld::region_list_t::const_iterator iter = LLWorld::getInstance()->getRegionList().begin();

+            iter != LLWorld::getInstance()->getRegionList().end(); ++iter)

+    {

+        LLViewerRegion* region = *iter;

+

+        for (U32 j = 0; j < LLViewerRegion::NUM_PARTITIONS; j++)

+        {

+            if ((j == LLViewerRegion::PARTITION_VOLUME) ||

+                (j == LLViewerRegion::PARTITION_BRIDGE) ||

+                (j == LLViewerRegion::PARTITION_AVATAR) || // for attachments

+                (j == LLViewerRegion::PARTITION_CONTROL_AV) ||

+                (j == LLViewerRegion::PARTITION_TERRAIN) ||

+                (j == LLViewerRegion::PARTITION_TREE) ||

+                (j == LLViewerRegion::PARTITION_GRASS))  // only check these partitions for now

+            {

+                LLSpatialPartition* part = region->getSpatialPartition(j);

+                if (part && hasRenderType(part->mDrawableType))

+                {

+                    LLDrawable* hit = part->lineSegmentIntersect(start, local_end, pick_transparent, pick_rigged, pick_unselectable, pick_reflection_probe, face_hit, &position, tex_coord, normal, tangent);

+                    if (hit)

+                    {

+                        drawable = hit;

+                        local_end = position;

+                    }

+                }

+            }

+        }

+    }

+

+    if (!sPickAvatar)

+    {

+        //save hit info in case we need to restore

+        //due to attachment override

+        LLVector4a local_normal;

+        LLVector4a local_tangent;

+        LLVector2 local_texcoord;

+        S32 local_face_hit = -1;

+

+        if (face_hit)

+        {

+            local_face_hit = *face_hit;

+        }

+        if (tex_coord)

+        {

+            local_texcoord = *tex_coord;

+        }

+        if (tangent)

+        {

+            local_tangent = *tangent;

+        }

+        else

+        {

+            local_tangent.clear();

+        }

+        if (normal)

+        {

+            local_normal = *normal;

+        }

+        else

+        {

+            local_normal.clear();

+        }

+

+        const F32 ATTACHMENT_OVERRIDE_DIST = 0.1f;

+

+        //check against avatars

+        sPickAvatar = true;

+        for (LLWorld::region_list_t::const_iterator iter = LLWorld::getInstance()->getRegionList().begin();

+                iter != LLWorld::getInstance()->getRegionList().end(); ++iter)

+        {

+            LLViewerRegion* region = *iter;

+

+            LLSpatialPartition* part = region->getSpatialPartition(LLViewerRegion::PARTITION_AVATAR);

+            if (part && hasRenderType(part->mDrawableType))

+            {

+                LLDrawable* hit = part->lineSegmentIntersect(start, local_end, pick_transparent, pick_rigged, pick_unselectable, pick_reflection_probe, face_hit, &position, tex_coord, normal, tangent);

+                if (hit)

+                {

+                    LLVector4a delta;

+                    delta.setSub(position, local_end);

+

+                    if (!drawable ||

+                        !drawable->getVObj()->isAttachment() ||

+                        delta.getLength3().getF32() > ATTACHMENT_OVERRIDE_DIST)

+                    { //avatar overrides if previously hit drawable is not an attachment or

+                      //attachment is far enough away from detected intersection

+                        drawable = hit;

+                        local_end = position;

+                    }

+                    else

+                    { //prioritize attachments over avatars

+                        position = local_end;

+

+                        if (face_hit)

+                        {

+                            *face_hit = local_face_hit;

+                        }

+                        if (tex_coord)

+                        {

+                            *tex_coord = local_texcoord;

+                        }

+                        if (tangent)

+                        {

+                            *tangent = local_tangent;

+                        }

+                        if (normal)

+                        {

+                            *normal = local_normal;

+                        }

+                    }

+                }

+            }

+        }

+    }

+

+    //check all avatar nametags (silly, isn't it?)

+    for (std::vector< LLCharacter* >::iterator iter = LLCharacter::sInstances.begin();

+        iter != LLCharacter::sInstances.end();

+        ++iter)

+    {

+        LLVOAvatar* av = (LLVOAvatar*) *iter;

+        if (av->mNameText.notNull()

+            && av->mNameText->lineSegmentIntersect(start, local_end, position))

+        {

+            drawable = av->mDrawable;

+            local_end = position;

+        }

+    }

+

+    if (intersection)

+    {

+        *intersection = position;

+    }

+

+    return drawable ? drawable->getVObj().get() : NULL;

+}

+

+LLViewerObject* LLPipeline::lineSegmentIntersectInHUD(const LLVector4a& start, const LLVector4a& end,

+                                                      bool pick_transparent,

+                                                      S32* face_hit,

+                                                      LLVector4a* intersection,         // return the intersection point

+                                                      LLVector2* tex_coord,            // return the texture coordinates of the intersection point

+                                                      LLVector4a* normal,               // return the surface normal at the intersection point

+                                                      LLVector4a* tangent               // return the surface tangent at the intersection point

+    )

+{

+    LLDrawable* drawable = NULL;

+

+    for (LLWorld::region_list_t::const_iterator iter = LLWorld::getInstance()->getRegionList().begin();

+            iter != LLWorld::getInstance()->getRegionList().end(); ++iter)

+    {

+        LLViewerRegion* region = *iter;

+

+        bool toggle = false;

+        if (!hasRenderType(LLPipeline::RENDER_TYPE_HUD))

+        {

+            toggleRenderType(LLPipeline::RENDER_TYPE_HUD);

+            toggle = true;

+        }

+

+        LLSpatialPartition* part = region->getSpatialPartition(LLViewerRegion::PARTITION_HUD);

+        if (part)

+        {

+            LLDrawable* hit = part->lineSegmentIntersect(start, end, pick_transparent, false, true, false, face_hit, intersection, tex_coord, normal, tangent);

+            if (hit)

+            {

+                drawable = hit;

+            }

+        }

+

+        if (toggle)

+        {

+            toggleRenderType(LLPipeline::RENDER_TYPE_HUD);

+        }

+    }

+    return drawable ? drawable->getVObj().get() : NULL;

+}

+

+LLSpatialPartition* LLPipeline::getSpatialPartition(LLViewerObject* vobj)

+{

+    if (vobj)

+    {

+        LLViewerRegion* region = vobj->getRegion();

+        if (region)

+        {

+            return region->getSpatialPartition(vobj->getPartitionType());

+        }

+    }

+    return NULL;

+}

+

+void LLPipeline::resetVertexBuffers(LLDrawable* drawable)

+{

+    if (!drawable)

+    {

+        return;

+    }

+

+    for (S32 i = 0; i < drawable->getNumFaces(); i++)

+    {

+        LLFace* facep = drawable->getFace(i);

+        if (facep)

+        {

+            facep->clearVertexBuffer();

+        }

+    }

+}

+

+void LLPipeline::renderObjects(U32 type, bool texture, bool batch_texture, bool rigged)

+{

+    assertInitialized();

+    gGL.loadMatrix(gGLModelView);

+    gGLLastMatrix = NULL;

+

+    if (rigged)

+    {

+        mSimplePool->pushRiggedBatches(type + 1, texture, batch_texture);

+    }

+    else

+    {

+        mSimplePool->pushBatches(type, texture, batch_texture);

+    }

+

+    gGL.loadMatrix(gGLModelView);

+    gGLLastMatrix = NULL;

+}

+

+void LLPipeline::renderGLTFObjects(U32 type, bool texture, bool rigged)

+{

+    assertInitialized();

+    gGL.loadMatrix(gGLModelView);

+    gGLLastMatrix = NULL;

+

+    if (rigged)

+    {

+        mSimplePool->pushRiggedGLTFBatches(type + 1, texture);

+    }

+    else

+    {

+        mSimplePool->pushGLTFBatches(type, texture);

+    }

+

+    gGL.loadMatrix(gGLModelView);

+    gGLLastMatrix = NULL;

+}

+

+// Currently only used for shadows -Cosmic,2023-04-19

+void LLPipeline::renderAlphaObjects(bool rigged)

+{

+    LL_PROFILE_ZONE_SCOPED_CATEGORY_PIPELINE;

+    assertInitialized();

+    gGL.loadMatrix(gGLModelView);

+    gGLLastMatrix = NULL;

+    S32 sun_up = LLEnvironment::instance().getIsSunUp() ? 1 : 0;

+    U32 target_width = LLRenderTarget::sCurResX;

+    U32 type = LLRenderPass::PASS_ALPHA;

+    LLVOAvatar* lastAvatar = nullptr;

+    U64 lastMeshId = 0;

+    auto* begin = gPipeline.beginRenderMap(type);

+    auto* end = gPipeline.endRenderMap(type);

+

+    for (LLCullResult::drawinfo_iterator i = begin; i != end; )

+    {

+        LLDrawInfo* pparams = *i;

+        LLCullResult::increment_iterator(i, end);

+

+        if (rigged != (pparams->mAvatar != nullptr))

+        {

+            // Pool contains both rigged and non-rigged DrawInfos. Only draw

+            // the objects we're interested in in this pass.

+            continue;

+        }

+

+        if (rigged)

+        {

+            if (pparams->mGLTFMaterial)

+            {

+                gDeferredShadowGLTFAlphaBlendProgram.bind(rigged);

+                LLGLSLShader::sCurBoundShaderPtr->uniform1i(LLShaderMgr::SUN_UP_FACTOR, sun_up);

+                LLGLSLShader::sCurBoundShaderPtr->uniform1f(LLShaderMgr::DEFERRED_SHADOW_TARGET_WIDTH, (float)target_width);

+                LLGLSLShader::sCurBoundShaderPtr->setMinimumAlpha(ALPHA_BLEND_CUTOFF);

+                mSimplePool->pushRiggedGLTFBatch(*pparams, lastAvatar, lastMeshId);

+            }

+            else

+            {

+                gDeferredShadowAlphaMaskProgram.bind(rigged);

+                LLGLSLShader::sCurBoundShaderPtr->uniform1i(LLShaderMgr::SUN_UP_FACTOR, sun_up);

+                LLGLSLShader::sCurBoundShaderPtr->uniform1f(LLShaderMgr::DEFERRED_SHADOW_TARGET_WIDTH, (float)target_width);

+                LLGLSLShader::sCurBoundShaderPtr->setMinimumAlpha(ALPHA_BLEND_CUTOFF);

+                if (lastAvatar != pparams->mAvatar || lastMeshId != pparams->mSkinInfo->mHash)

+                {

+                    mSimplePool->uploadMatrixPalette(*pparams);

+                    lastAvatar = pparams->mAvatar;

+                    lastMeshId = pparams->mSkinInfo->mHash;

+                }

+

+                mSimplePool->pushBatch(*pparams, true, true);

+            }

+        }

+        else

+        {

+            if (pparams->mGLTFMaterial)

+            {

+                gDeferredShadowGLTFAlphaBlendProgram.bind(rigged);

+                LLGLSLShader::sCurBoundShaderPtr->uniform1i(LLShaderMgr::SUN_UP_FACTOR, sun_up);

+                LLGLSLShader::sCurBoundShaderPtr->uniform1f(LLShaderMgr::DEFERRED_SHADOW_TARGET_WIDTH, (float)target_width);

+                LLGLSLShader::sCurBoundShaderPtr->setMinimumAlpha(ALPHA_BLEND_CUTOFF);

+                mSimplePool->pushGLTFBatch(*pparams);

+            }

+            else

+            {

+                gDeferredShadowAlphaMaskProgram.bind(rigged);

+                LLGLSLShader::sCurBoundShaderPtr->uniform1i(LLShaderMgr::SUN_UP_FACTOR, sun_up);

+                LLGLSLShader::sCurBoundShaderPtr->uniform1f(LLShaderMgr::DEFERRED_SHADOW_TARGET_WIDTH, (float)target_width);

+                LLGLSLShader::sCurBoundShaderPtr->setMinimumAlpha(ALPHA_BLEND_CUTOFF);

+                mSimplePool->pushBatch(*pparams, true, true);

+            }

+        }

+    }

+

+    gGL.loadMatrix(gGLModelView);

+    gGLLastMatrix = NULL;

+}

+

+// Currently only used for shadows -Cosmic,2023-04-19

+void LLPipeline::renderMaskedObjects(U32 type, bool texture, bool batch_texture, bool rigged)

+{

+    assertInitialized();

+    gGL.loadMatrix(gGLModelView);

+    gGLLastMatrix = NULL;

+    if (rigged)

+    {

+        mAlphaMaskPool->pushRiggedMaskBatches(type+1, texture, batch_texture);

+    }

+    else

+    {

+        mAlphaMaskPool->pushMaskBatches(type, texture, batch_texture);

+    }

+    gGL.loadMatrix(gGLModelView);

+    gGLLastMatrix = NULL;

+}

+

+// Currently only used for shadows -Cosmic,2023-04-19

+void LLPipeline::renderFullbrightMaskedObjects(U32 type, bool texture, bool batch_texture, bool rigged)

+{

+    assertInitialized();

+    gGL.loadMatrix(gGLModelView);

+    gGLLastMatrix = NULL;

+    if (rigged)

+    {

+        mFullbrightAlphaMaskPool->pushRiggedMaskBatches(type+1, texture, batch_texture);

+    }

+    else

+    {

+        mFullbrightAlphaMaskPool->pushMaskBatches(type, texture, batch_texture);

+    }

+    gGL.loadMatrix(gGLModelView);

+    gGLLastMatrix = NULL;

+}

+

+void apply_cube_face_rotation(U32 face)

+{

+    switch (face)

+    {

+        case 0:

+            gGL.rotatef(90.f, 0, 1, 0);

+            gGL.rotatef(180.f, 1, 0, 0);

+        break;

+        case 2:

+            gGL.rotatef(-90.f, 1, 0, 0);

+        break;

+        case 4:

+            gGL.rotatef(180.f, 0, 1, 0);

+            gGL.rotatef(180.f, 0, 0, 1);

+        break;

+        case 1:

+            gGL.rotatef(-90.f, 0, 1, 0);

+            gGL.rotatef(180.f, 1, 0, 0);

+        break;

+        case 3:

+            gGL.rotatef(90, 1, 0, 0);

+        break;

+        case 5:

+            gGL.rotatef(180, 0, 0, 1);

+        break;

+    }

+}

+

+void validate_framebuffer_object()

+{

+    GLenum status;

+    status = glCheckFramebufferStatus(GL_FRAMEBUFFER_EXT);

+    switch(status)

+    {

+        case GL_FRAMEBUFFER_COMPLETE:

+            //framebuffer OK, no error.

+            break;

+        case GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT:

+            // frame buffer not OK: probably means unsupported depth buffer format

+            LL_ERRS() << "Framebuffer Incomplete Missing Attachment." << LL_ENDL;

+            break;

+        case GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT:

+            // frame buffer not OK: probably means unsupported depth buffer format

+            LL_ERRS() << "Framebuffer Incomplete Attachment." << LL_ENDL;

+            break;

+        case GL_FRAMEBUFFER_UNSUPPORTED:

+            /* choose different formats */

+            LL_ERRS() << "Framebuffer unsupported." << LL_ENDL;

+            break;

+        default:

+            LL_ERRS() << "Unknown framebuffer status." << LL_ENDL;

+            break;

+    }

+}

+

+void LLPipeline::bindScreenToTexture()

+{

+

+}

+

+static LLTrace::BlockTimerStatHandle FTM_RENDER_BLOOM("Bloom");

+

+void LLPipeline::visualizeBuffers(LLRenderTarget* src, LLRenderTarget* dst, U32 bufferIndex)

+{

+    dst->bindTarget();

+    gDeferredBufferVisualProgram.bind();

+    gDeferredBufferVisualProgram.bindTexture(LLShaderMgr::DEFERRED_DIFFUSE, src, false, LLTexUnit::TFO_BILINEAR, bufferIndex);

+

+    static LLStaticHashedString mipLevel("mipLevel");

+    if (RenderBufferVisualization != 4)

+        gDeferredBufferVisualProgram.uniform1f(mipLevel, 0);

+    else

+        gDeferredBufferVisualProgram.uniform1f(mipLevel, 8);

+

+    mScreenTriangleVB->setBuffer();

+    mScreenTriangleVB->drawArrays(LLRender::TRIANGLES, 0, 3);

+    gDeferredBufferVisualProgram.unbind();

+    dst->flush();

+}

+

+void LLPipeline::generateLuminance(LLRenderTarget* src, LLRenderTarget* dst)

+{

+    // luminance sample and mipmap generation

+    {

+        LL_PROFILE_GPU_ZONE("luminance sample");

+

+        dst->bindTarget();

+

+        LLGLDepthTest depth(GL_FALSE, GL_FALSE);

+

+        gLuminanceProgram.bind();

+

+        S32 channel = 0;

+        channel = gLuminanceProgram.enableTexture(LLShaderMgr::DEFERRED_DIFFUSE);

+        if (channel > -1)

+        {

+            src->bindTexture(0, channel, LLTexUnit::TFO_POINT);

+        }

+

+        channel = gLuminanceProgram.enableTexture(LLShaderMgr::DEFERRED_EMISSIVE);

+        if (channel > -1)

+        {

+            mGlow[1].bindTexture(0, channel);

+        }

+

+        mScreenTriangleVB->setBuffer();

+        mScreenTriangleVB->drawArrays(LLRender::TRIANGLES, 0, 3);

+        dst->flush();

+

+        // note -- unbind AFTER the glGenerateMipMap so time in generatemipmap can be profiled under "Luminance"

+        // also note -- keep an eye on the performance of glGenerateMipmap, might need to replace it with a mip generation shader

+        gLuminanceProgram.unbind();

+    }

+}

+

+void LLPipeline::generateExposure(LLRenderTarget* src, LLRenderTarget* dst) {

+    // exposure sample

+    {

+        LL_PROFILE_GPU_ZONE("exposure sample");

+

+        {

+            // copy last frame's exposure into mLastExposure

+            mLastExposure.bindTarget();

+            gCopyProgram.bind();

+            gGL.getTexUnit(0)->bind(dst);

+

+            mScreenTriangleVB->setBuffer();

+            mScreenTriangleVB->drawArrays(LLRender::TRIANGLES, 0, 3);

+

+            mLastExposure.flush();

+        }

+

+        dst->bindTarget();

+

+        LLGLDepthTest depth(GL_FALSE, GL_FALSE);

+

+        gExposureProgram.bind();

+

+        S32 channel = gExposureProgram.enableTexture(LLShaderMgr::DEFERRED_EMISSIVE);

+        if (channel > -1)

+        {

+            mLuminanceMap.bindTexture(0, channel, LLTexUnit::TFO_TRILINEAR);

+        }

+

+        channel = gExposureProgram.enableTexture(LLShaderMgr::EXPOSURE_MAP);

+        if (channel > -1)

+        {

+            mLastExposure.bindTexture(0, channel);

+        }

+

+        static LLStaticHashedString dt("dt");

+        static LLStaticHashedString noiseVec("noiseVec");

+        static LLStaticHashedString dynamic_exposure_params("dynamic_exposure_params");

+        static LLCachedControl<F32> dynamic_exposure_coefficient(gSavedSettings, "RenderDynamicExposureCoefficient", 0.175f);

+        static LLCachedControl<bool> should_auto_adjust(gSavedSettings, "RenderSkyAutoAdjustLegacy", true);

+

+        LLSettingsSky::ptr_t sky = LLEnvironment::instance().getCurrentSky();

+

+        F32 probe_ambiance = LLEnvironment::instance().getCurrentSky()->getReflectionProbeAmbiance(should_auto_adjust);

+        F32 exp_min = 1.f;

+        F32 exp_max = 1.f;

+

+        if (probe_ambiance > 0.f)

+        {

+            F32 hdr_scale = sqrtf(LLEnvironment::instance().getCurrentSky()->getGamma())*2.f;

+

+            if (hdr_scale > 1.f)

+            {

+                exp_min = 1.f / hdr_scale;

+                exp_max = hdr_scale;

+            }

+        }

+        gExposureProgram.uniform1f(dt, gFrameIntervalSeconds);

+        gExposureProgram.uniform2f(noiseVec, ll_frand() * 2.0 - 1.0, ll_frand() * 2.0 - 1.0);

+        gExposureProgram.uniform3f(dynamic_exposure_params, dynamic_exposure_coefficient, exp_min, exp_max);

+

+        mScreenTriangleVB->setBuffer();

+        mScreenTriangleVB->drawArrays(LLRender::TRIANGLES, 0, 3);

+

+        gGL.getTexUnit(channel)->unbind(mLastExposure.getUsage());

+        gExposureProgram.unbind();

+        dst->flush();

+    }

+}

+

+void LLPipeline::gammaCorrect(LLRenderTarget* src, LLRenderTarget* dst) {

+    dst->bindTarget();

+    // gamma correct lighting

+    {

+        LL_PROFILE_GPU_ZONE("gamma correct");

+

+        static LLCachedControl<bool> buildNoPost(gSavedSettings, "RenderDisablePostProcessing", false);

+

+        LLGLDepthTest depth(GL_FALSE, GL_FALSE);

+

+        // Apply gamma correction to the frame here.

+

+        static LLCachedControl<bool> should_auto_adjust(gSavedSettings, "RenderSkyAutoAdjustLegacy", true);

+

+        LLSettingsSky::ptr_t psky = LLEnvironment::instance().getCurrentSky();

+

+        bool no_post = gSnapshotNoPost || (buildNoPost && gFloaterTools->isAvailable());

+        LLGLSLShader& shader = no_post ? gNoPostGammaCorrectProgram : // no post (no gamma, no exposure, no tonemapping)

+            psky->getReflectionProbeAmbiance(should_auto_adjust) == 0.f ? gLegacyPostGammaCorrectProgram :

+            gDeferredPostGammaCorrectProgram;

+

+        shader.bind();

+

+        S32 channel = 0;

+

+        shader.bindTexture(LLShaderMgr::DEFERRED_DIFFUSE, src, false, LLTexUnit::TFO_POINT);

+

+        shader.bindTexture(LLShaderMgr::EXPOSURE_MAP, &mExposureMap);

+

+        shader.uniform2f(LLShaderMgr::DEFERRED_SCREEN_RES, src->getWidth(), src->getHeight());

+

+        static LLCachedControl<F32> exposure(gSavedSettings, "RenderExposure", 1.f);

+

+        F32 e = llclamp(exposure(), 0.5f, 4.f);

+

+        static LLStaticHashedString s_exposure("exposure");

+

+        shader.uniform1f(s_exposure, e);

+

+        mScreenTriangleVB->setBuffer();

+        mScreenTriangleVB->drawArrays(LLRender::TRIANGLES, 0, 3);

+

+        gGL.getTexUnit(channel)->unbind(src->getUsage());

+        shader.unbind();

+    }

+    dst->flush();

+}

+

+void LLPipeline::copyScreenSpaceReflections(LLRenderTarget* src, LLRenderTarget* dst)

+{

+

+    if (RenderScreenSpaceReflections && !gCubeSnapshot)

+    {

+        LL_PROFILE_GPU_ZONE("ssr copy");

+        LLGLDepthTest depth(GL_TRUE, GL_TRUE, GL_ALWAYS);

+

+        LLRenderTarget& depth_src = mRT->deferredScreen;

+

+        dst->bindTarget();

+        dst->clear();

+        gCopyDepthProgram.bind();

+

+        S32 diff_map = gCopyDepthProgram.getTextureChannel(LLShaderMgr::DIFFUSE_MAP);

+        S32 depth_map = gCopyDepthProgram.getTextureChannel(LLShaderMgr::DEFERRED_DEPTH);

+

+        gGL.getTexUnit(diff_map)->bind(src);

+        gGL.getTexUnit(depth_map)->bind(&depth_src, true);

+

+        mScreenTriangleVB->setBuffer();

+        mScreenTriangleVB->drawArrays(LLRender::TRIANGLES, 0, 3);

+

+        dst->flush();

+    }

+}

+

+void LLPipeline::generateGlow(LLRenderTarget* src)

+{

+    if (sRenderGlow)

+    {

+        LL_PROFILE_GPU_ZONE("glow");

+        mGlow[2].bindTarget();

+        mGlow[2].clear();

+

+        gGlowExtractProgram.bind();

+        F32 maxAlpha = RenderGlowMaxExtractAlpha;

+        F32 warmthAmount = RenderGlowWarmthAmount;

+        LLVector3 lumWeights = RenderGlowLumWeights;

+        LLVector3 warmthWeights = RenderGlowWarmthWeights;

+

+        gGlowExtractProgram.uniform1f(LLShaderMgr::GLOW_MIN_LUMINANCE, 9999);

+        gGlowExtractProgram.uniform1f(LLShaderMgr::GLOW_MAX_EXTRACT_ALPHA, maxAlpha);

+        gGlowExtractProgram.uniform3f(LLShaderMgr::GLOW_LUM_WEIGHTS, lumWeights.mV[0], lumWeights.mV[1],

+            lumWeights.mV[2]);

+        gGlowExtractProgram.uniform3f(LLShaderMgr::GLOW_WARMTH_WEIGHTS, warmthWeights.mV[0], warmthWeights.mV[1],

+            warmthWeights.mV[2]);

+        gGlowExtractProgram.uniform1f(LLShaderMgr::GLOW_WARMTH_AMOUNT, warmthAmount);

+

+        if (RenderGlowNoise)

+        {

+            S32 channel = gGlowExtractProgram.enableTexture(LLShaderMgr::GLOW_NOISE_MAP);

+            if (channel > -1)

+            {

+                gGL.getTexUnit(channel)->bindManual(LLTexUnit::TT_TEXTURE, mTrueNoiseMap);

+                gGL.getTexUnit(channel)->setTextureFilteringOption(LLTexUnit::TFO_POINT);

+            }

+            gGlowExtractProgram.uniform2f(LLShaderMgr::DEFERRED_SCREEN_RES,

+                                          mGlow[2].getWidth(),

+                                          mGlow[2].getHeight());

+        }

+

+        {

+            LLGLEnable blend_on(GL_BLEND);

+

+            gGL.setSceneBlendType(LLRender::BT_ADD_WITH_ALPHA);

+

+            gGlowExtractProgram.bindTexture(LLShaderMgr::DIFFUSE_MAP, src);

+

+            gGL.color4f(1, 1, 1, 1);

+            gPipeline.enableLightsFullbright();

+

+            mScreenTriangleVB->setBuffer();

+            mScreenTriangleVB->drawArrays(LLRender::TRIANGLES, 0, 3);

+

+            mGlow[2].flush();

+        }

+

+        gGlowExtractProgram.unbind();

+

+        // power of two between 1 and 1024

+        U32 glowResPow = RenderGlowResolutionPow;

+        const U32 glow_res = llmax(1, llmin(1024, 1 << glowResPow));

+

+        S32 kernel = RenderGlowIterations * 2;

+        F32 delta = RenderGlowWidth / glow_res;

+        // Use half the glow width if we have the res set to less than 9 so that it looks

+        // almost the same in either case.

+        if (glowResPow < 9)

+        {

+            delta *= 0.5f;

+        }

+        F32 strength = RenderGlowStrength;

+

+        gGlowProgram.bind();

+        gGlowProgram.uniform1f(LLShaderMgr::GLOW_STRENGTH, strength);

+

+        for (S32 i = 0; i < kernel; i++)

+        {

+            mGlow[i % 2].bindTarget();

+            mGlow[i % 2].clear();

+

+            if (i == 0)

+            {

+                gGlowProgram.bindTexture(LLShaderMgr::DIFFUSE_MAP, &mGlow[2]);

+            }

+            else

+            {

+                gGlowProgram.bindTexture(LLShaderMgr::DIFFUSE_MAP, &mGlow[(i - 1) % 2]);

+            }

+

+            if (i % 2 == 0)

+            {

+                gGlowProgram.uniform2f(LLShaderMgr::GLOW_DELTA, delta, 0);

+            }

+            else

+            {

+                gGlowProgram.uniform2f(LLShaderMgr::GLOW_DELTA, 0, delta);

+            }

+

+            mScreenTriangleVB->setBuffer();

+            mScreenTriangleVB->drawArrays(LLRender::TRIANGLES, 0, 3);

+

+            mGlow[i % 2].flush();

+        }

+

+        gGlowProgram.unbind();

+

+    }

+    else // !sRenderGlow, skip the glow ping-pong and just clear the result target

+    {

+        mGlow[1].bindTarget();

+        mGlow[1].clear();

+        mGlow[1].flush();

+    }

+}

+

+void LLPipeline::applyFXAA(LLRenderTarget* src, LLRenderTarget* dst)

+{

+    {

+        llassert(!gCubeSnapshot);

+        bool multisample = RenderFSAASamples > 1 && mRT->fxaaBuffer.isComplete();

+        LLGLSLShader* shader = &gGlowCombineProgram;

+

+        S32 width = dst->getWidth();

+        S32 height = dst->getHeight();

+

+        // Present everything.

+        if (multisample)

+        {

+            LL_PROFILE_GPU_ZONE("aa");

+            // bake out texture2D with RGBL for FXAA shader

+            mRT->fxaaBuffer.bindTarget();

+

+            shader = &gGlowCombineFXAAProgram;

+            shader->bind();

+

+            S32 channel = shader->enableTexture(LLShaderMgr::DEFERRED_DIFFUSE, src->getUsage());

+            if (channel > -1)

+            {

+                src->bindTexture(0, channel, LLTexUnit::TFO_BILINEAR);

+            }

+

+            {

+                LLGLDepthTest depth_test(GL_TRUE, GL_TRUE, GL_ALWAYS);

+                mScreenTriangleVB->setBuffer();

+                mScreenTriangleVB->drawArrays(LLRender::TRIANGLES, 0, 3);

+            }

+

+            shader->disableTexture(LLShaderMgr::DEFERRED_DIFFUSE, src->getUsage());

+            shader->unbind();

+

+            mRT->fxaaBuffer.flush();

+

+            dst->bindTarget();

+            shader = &gFXAAProgram;

+            shader->bind();

+

+            channel = shader->enableTexture(LLShaderMgr::DIFFUSE_MAP, mRT->fxaaBuffer.getUsage());

+            if (channel > -1)

+            {

+                mRT->fxaaBuffer.bindTexture(0, channel, LLTexUnit::TFO_BILINEAR);

+            }

+

+            gGLViewport[0] = gViewerWindow->getWorldViewRectRaw().mLeft;

+            gGLViewport[1] = gViewerWindow->getWorldViewRectRaw().mBottom;

+            gGLViewport[2] = gViewerWindow->getWorldViewRectRaw().getWidth();

+            gGLViewport[3] = gViewerWindow->getWorldViewRectRaw().getHeight();

+

+            glViewport(gGLViewport[0], gGLViewport[1], gGLViewport[2], gGLViewport[3]);

+

+            F32 scale_x = (F32)width / mRT->fxaaBuffer.getWidth();

+            F32 scale_y = (F32)height / mRT->fxaaBuffer.getHeight();

+            shader->uniform2f(LLShaderMgr::FXAA_TC_SCALE, scale_x, scale_y);

+            shader->uniform2f(LLShaderMgr::FXAA_RCP_SCREEN_RES, 1.f / width * scale_x, 1.f / height * scale_y);

+            shader->uniform4f(LLShaderMgr::FXAA_RCP_FRAME_OPT, -0.5f / width * scale_x, -0.5f / height * scale_y,

+                0.5f / width * scale_x, 0.5f / height * scale_y);

+            shader->uniform4f(LLShaderMgr::FXAA_RCP_FRAME_OPT2, -2.f / width * scale_x, -2.f / height * scale_y,

+                2.f / width * scale_x, 2.f / height * scale_y);

+

+            {

+                LLGLDepthTest depth_test(GL_TRUE, GL_TRUE, GL_ALWAYS);

+                S32 depth_channel = shader->getTextureChannel(LLShaderMgr::DEFERRED_DEPTH);

+                gGL.getTexUnit(depth_channel)->bind(&mRT->deferredScreen, true);

+

+                mScreenTriangleVB->setBuffer();

+                mScreenTriangleVB->drawArrays(LLRender::TRIANGLES, 0, 3);

+            }

+

+            shader->unbind();

+            dst->flush();

+        }

+        else {

+            copyRenderTarget(src, dst);

+        }

+    }

+}

+

+void LLPipeline::copyRenderTarget(LLRenderTarget* src, LLRenderTarget* dst)

+{

+

+    LL_PROFILE_GPU_ZONE("copyRenderTarget");

+    dst->bindTarget();

+

+    gDeferredPostNoDoFProgram.bind();

+

+    gDeferredPostNoDoFProgram.bindTexture(LLShaderMgr::DEFERRED_DIFFUSE, src);

+    gDeferredPostNoDoFProgram.bindTexture(LLShaderMgr::DEFERRED_DEPTH, &mRT->deferredScreen, true);

+

+    {

+        mScreenTriangleVB->setBuffer();

+        mScreenTriangleVB->drawArrays(LLRender::TRIANGLES, 0, 3);

+    }

+

+    gDeferredPostNoDoFProgram.unbind();

+

+    dst->flush();

+}

+

+void LLPipeline::combineGlow(LLRenderTarget* src, LLRenderTarget* dst)

+{

+    // Go ahead and do our glow combine here in our destination.  We blit this later into the front buffer.

+

+    dst->bindTarget();

+

+    {

+

+        gGlowCombineProgram.bind();

+

+        gGlowCombineProgram.bindTexture(LLShaderMgr::DEFERRED_DIFFUSE, src);

+        gGlowCombineProgram.bindTexture(LLShaderMgr::DEFERRED_EMISSIVE, &mGlow[1]);

+

+        mScreenTriangleVB->setBuffer();

+        mScreenTriangleVB->drawArrays(LLRender::TRIANGLES, 0, 3);

+    }

+

+    dst->flush();

+}

+

+void LLPipeline::renderDoF(LLRenderTarget* src, LLRenderTarget* dst)

+{

+    {

+        bool dof_enabled =

+            (RenderDepthOfFieldInEditMode || !LLToolMgr::getInstance()->inBuildMode()) &&

+            RenderDepthOfField &&

+            !gCubeSnapshot;

+

+        gViewerWindow->setup3DViewport();

+

+        if (dof_enabled)

+        {

+            LL_PROFILE_GPU_ZONE("dof");

+            LLGLDisable blend(GL_BLEND);

+

+            // depth of field focal plane calculations

+            static F32 current_distance = 16.f;

+            static F32 start_distance = 16.f;

+            static F32 transition_time = 1.f;

+

+            LLVector3 focus_point;

+

+            LLViewerObject* obj = LLViewerMediaFocus::getInstance()->getFocusedObject();

+            if (obj && obj->mDrawable && obj->isSelected())

+            { // focus on selected media object

+                S32 face_idx = LLViewerMediaFocus::getInstance()->getFocusedFace();

+                if (obj && obj->mDrawable)

+                {

+                    LLFace* face = obj->mDrawable->getFace(face_idx);

+                    if (face)

+                    {

+                        focus_point = face->getPositionAgent();

+                    }

+                }

+            }

+

+            if (focus_point.isExactlyZero())

+            {

+                if (LLViewerJoystick::getInstance()->getOverrideCamera())

+                { // focus on point under cursor

+                    focus_point.set(gDebugRaycastIntersection.getF32ptr());

+                }

+                else if (gAgentCamera.cameraMouselook())

+                { // focus on point under mouselook crosshairs

+                    LLVector4a result;

+                    result.clear();

+

+                    gViewerWindow->cursorIntersect(-1, -1, 512.f, NULL, -1, false, false, true, true, NULL, &result);

+

+                    focus_point.set(result.getF32ptr());

+                }

+                else

+                {

+                    // focus on alt-zoom target

+                    LLViewerRegion* region = gAgent.getRegion();

+                    if (region)

+                    {

+                        focus_point = LLVector3(gAgentCamera.getFocusGlobal() - region->getOriginGlobal());

+                    }

+                }

+            }

+

+            LLVector3 eye = LLViewerCamera::getInstance()->getOrigin();

+            F32 target_distance = 16.f;

+            if (!focus_point.isExactlyZero())

+            {

+                target_distance = LLViewerCamera::getInstance()->getAtAxis() * (focus_point - eye);

+            }

+

+            if (transition_time >= 1.f && fabsf(current_distance - target_distance) / current_distance > 0.01f)

+            { // large shift happened, interpolate smoothly to new target distance

+                transition_time = 0.f;

+                start_distance = current_distance;

+            }

+            else if (transition_time < 1.f)

+            { // currently in a transition, continue interpolating

+                transition_time += 1.f / CameraFocusTransitionTime * gFrameIntervalSeconds.value();

+                transition_time = llmin(transition_time, 1.f);

+

+                F32 t = cosf(transition_time * F_PI + F_PI) * 0.5f + 0.5f;

+                current_distance = start_distance + (target_distance - start_distance) * t;

+            }

+            else

+            { // small or no change, just snap to target distance

+                current_distance = target_distance;

+            }

+

+            // convert to mm

+            F32 subject_distance = current_distance * 1000.f;

+            F32 fnumber = CameraFNumber;

+            F32 default_focal_length = CameraFocalLength;

+

+            F32 fov = LLViewerCamera::getInstance()->getView();

+

+            const F32 default_fov = CameraFieldOfView * F_PI / 180.f;

+

+            // F32 aspect_ratio = (F32) mRT->screen.getWidth()/(F32)mRT->screen.getHeight();

+

+            F32 dv = 2.f * default_focal_length * tanf(default_fov / 2.f);

+

+            F32 focal_length = dv / (2 * tanf(fov / 2.f));

+

+            // F32 tan_pixel_angle = tanf(LLDrawable::sCurPixelAngle);

+

+            // from wikipedia -- c = |s2-s1|/s2 * f^2/(N(S1-f))

+            // where     N = fnumber

+            //           s2 = dot distance

+            //           s1 = subject distance

+            //           f = focal length

+            //

+

+            F32 blur_constant = focal_length * focal_length / (fnumber * (subject_distance - focal_length));

+            blur_constant /= 1000.f; // convert to meters for shader

+            F32 magnification = focal_length / (subject_distance - focal_length);

+

+            { // build diffuse+bloom+CoF

+                mRT->deferredLight.bindTarget();

+

+                gDeferredCoFProgram.bind();

+

+                gDeferredCoFProgram.bindTexture(LLShaderMgr::DEFERRED_DIFFUSE, src, LLTexUnit::TFO_POINT);

+                gDeferredCoFProgram.bindTexture(LLShaderMgr::DEFERRED_DEPTH, &mRT->deferredScreen, true);

+

+                gDeferredCoFProgram.uniform1f(LLShaderMgr::DEFERRED_DEPTH_CUTOFF, RenderEdgeDepthCutoff);

+                gDeferredCoFProgram.uniform1f(LLShaderMgr::DEFERRED_NORM_CUTOFF, RenderEdgeNormCutoff);

+                gDeferredCoFProgram.uniform2f(LLShaderMgr::DEFERRED_SCREEN_RES, dst->getWidth(), dst->getHeight());

+                gDeferredCoFProgram.uniform1f(LLShaderMgr::DOF_FOCAL_DISTANCE, -subject_distance / 1000.f);

+                gDeferredCoFProgram.uniform1f(LLShaderMgr::DOF_BLUR_CONSTANT, blur_constant);

+                gDeferredCoFProgram.uniform1f(LLShaderMgr::DOF_TAN_PIXEL_ANGLE, tanf(1.f / LLDrawable::sCurPixelAngle));

+                gDeferredCoFProgram.uniform1f(LLShaderMgr::DOF_MAGNIFICATION, magnification);

+                gDeferredCoFProgram.uniform1f(LLShaderMgr::DOF_MAX_COF, CameraMaxCoF);

+                gDeferredCoFProgram.uniform1f(LLShaderMgr::DOF_RES_SCALE, CameraDoFResScale);

+

+                mScreenTriangleVB->setBuffer();

+                mScreenTriangleVB->drawArrays(LLRender::TRIANGLES, 0, 3);

+                gDeferredCoFProgram.unbind();

+                mRT->deferredLight.flush();

+            }

+

+            U32 dof_width = (U32)(mRT->screen.getWidth() * CameraDoFResScale);

+            U32 dof_height = (U32)(mRT->screen.getHeight() * CameraDoFResScale);

+

+            { // perform DoF sampling at half-res (preserve alpha channel)

+                src->bindTarget();

+                glViewport(0, 0, dof_width, dof_height);

+

+                gGL.setColorMask(true, false);

+

+                gDeferredPostProgram.bind();

+                gDeferredPostProgram.bindTexture(LLShaderMgr::DEFERRED_DIFFUSE, &mRT->deferredLight, LLTexUnit::TFO_POINT);

+

+                gDeferredPostProgram.uniform2f(LLShaderMgr::DEFERRED_SCREEN_RES, dst->getWidth(), dst->getHeight());

+                gDeferredPostProgram.uniform1f(LLShaderMgr::DOF_MAX_COF, CameraMaxCoF);

+                gDeferredPostProgram.uniform1f(LLShaderMgr::DOF_RES_SCALE, CameraDoFResScale);

+

+                mScreenTriangleVB->setBuffer();

+                mScreenTriangleVB->drawArrays(LLRender::TRIANGLES, 0, 3);

+

+                gDeferredPostProgram.unbind();

+

+                src->flush();

+                gGL.setColorMask(true, true);

+            }

+

+            { // combine result based on alpha

+

+                dst->bindTarget();

+                if (RenderFSAASamples > 1 && mRT->fxaaBuffer.isComplete())

+                {

+                    glViewport(0, 0, dst->getWidth(), dst->getHeight());

+                }

+                else

+                {

+                    gGLViewport[0] = gViewerWindow->getWorldViewRectRaw().mLeft;

+                    gGLViewport[1] = gViewerWindow->getWorldViewRectRaw().mBottom;

+                    gGLViewport[2] = gViewerWindow->getWorldViewRectRaw().getWidth();

+                    gGLViewport[3] = gViewerWindow->getWorldViewRectRaw().getHeight();

+                    glViewport(gGLViewport[0], gGLViewport[1], gGLViewport[2], gGLViewport[3]);

+                }

+

+                gDeferredDoFCombineProgram.bind();

+                gDeferredDoFCombineProgram.bindTexture(LLShaderMgr::DEFERRED_DIFFUSE, src, LLTexUnit::TFO_POINT);

+                gDeferredDoFCombineProgram.bindTexture(LLShaderMgr::DEFERRED_LIGHT, &mRT->deferredLight, LLTexUnit::TFO_POINT);

+

+                gDeferredDoFCombineProgram.uniform2f(LLShaderMgr::DEFERRED_SCREEN_RES, dst->getWidth(), dst->getHeight());

+                gDeferredDoFCombineProgram.uniform1f(LLShaderMgr::DOF_MAX_COF, CameraMaxCoF);

+                gDeferredDoFCombineProgram.uniform1f(LLShaderMgr::DOF_RES_SCALE, CameraDoFResScale);

+                gDeferredDoFCombineProgram.uniform1f(LLShaderMgr::DOF_WIDTH, (dof_width - 1) / (F32)src->getWidth());

+                gDeferredDoFCombineProgram.uniform1f(LLShaderMgr::DOF_HEIGHT, (dof_height - 1) / (F32)src->getHeight());

+

+                mScreenTriangleVB->setBuffer();

+                mScreenTriangleVB->drawArrays(LLRender::TRIANGLES, 0, 3);

+

+                gDeferredDoFCombineProgram.unbind();

+

+                dst->flush();

+            }

+        }

+        else

+        {

+            copyRenderTarget(src, dst);

+        }

+    }

+}

+

+void LLPipeline::renderFinalize()

+{

+    llassert(!gCubeSnapshot);

+    LLVertexBuffer::unbind();

+    LLGLState::checkStates();

+

+    assertInitialized();

+

+    LL_RECORD_BLOCK_TIME(FTM_RENDER_BLOOM);

+    LL_PROFILE_GPU_ZONE("renderFinalize");

+

+    gGL.color4f(1, 1, 1, 1);

+    LLGLDepthTest depth(GL_FALSE);

+    LLGLDisable blend(GL_BLEND);

+    LLGLDisable cull(GL_CULL_FACE);

+

+    enableLightsFullbright();

+

+    gGL.setColorMask(true, true);

+    glClearColor(0, 0, 0, 0);

+

+

+    copyScreenSpaceReflections(&mRT->screen, &mSceneMap);

+

+    generateLuminance(&mRT->screen, &mLuminanceMap);

+

+    generateExposure(&mLuminanceMap, &mExposureMap);

+

+    gammaCorrect(&mRT->screen, &mPostMap);

+

+    LLVertexBuffer::unbind();

+

+    generateGlow(&mPostMap);

+

+    combineGlow(&mPostMap, &mRT->screen);

+

+    gGLViewport[0] = gViewerWindow->getWorldViewRectRaw().mLeft;

+    gGLViewport[1] = gViewerWindow->getWorldViewRectRaw().mBottom;

+    gGLViewport[2] = gViewerWindow->getWorldViewRectRaw().getWidth();

+    gGLViewport[3] = gViewerWindow->getWorldViewRectRaw().getHeight();

+    glViewport(gGLViewport[0], gGLViewport[1], gGLViewport[2], gGLViewport[3]);

+

+    renderDoF(&mRT->screen, &mPostMap);

+

+    applyFXAA(&mPostMap, &mRT->screen);

+    LLRenderTarget* finalBuffer = &mRT->screen;

+    if (RenderBufferVisualization > -1)

+    {

+        finalBuffer = &mPostMap;

+        switch (RenderBufferVisualization)

+        {

+        case 0:

+        case 1:

+        case 2:

+        case 3:

+            visualizeBuffers(&mRT->deferredScreen, finalBuffer, RenderBufferVisualization);

+            break;

+        case 4:

+            visualizeBuffers(&mLuminanceMap, finalBuffer, 0);

+        default:

+            break;

+        }

+    }

+

+    // Present the screen target.

+

+    gDeferredPostNoDoFProgram.bind();

+

+    // Whatever is last in the above post processing chain should _always_ be rendered directly here.  If not, expect problems.

+    gDeferredPostNoDoFProgram.bindTexture(LLShaderMgr::DEFERRED_DIFFUSE, finalBuffer);

+    gDeferredPostNoDoFProgram.bindTexture(LLShaderMgr::DEFERRED_DEPTH, &mRT->deferredScreen, true);

+

+    {

+        LLGLDepthTest depth_test(GL_TRUE, GL_TRUE, GL_ALWAYS);

+        mScreenTriangleVB->setBuffer();

+        mScreenTriangleVB->drawArrays(LLRender::TRIANGLES, 0, 3);

+    }

+

+    gDeferredPostNoDoFProgram.unbind();

+

+    gGL.setSceneBlendType(LLRender::BT_ALPHA);

+

+    if (hasRenderDebugMask(LLPipeline::RENDER_DEBUG_PHYSICS_SHAPES))

+    {

+        renderPhysicsDisplay();

+    }

+

+    /*if (LLRenderTarget::sUseFBO && !gCubeSnapshot)

+    { // copy depth buffer from mRT->screen to framebuffer

+        LLRenderTarget::copyContentsToFramebuffer(mRT->screen, 0, 0, mRT->screen.getWidth(), mRT->screen.getHeight(), 0, 0,

+                                                  mRT->screen.getWidth(), mRT->screen.getHeight(),

+                                                  GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT, GL_NEAREST);

+    }*/

+

+    LLVertexBuffer::unbind();

+

+    LLGLState::checkStates();

+

+    // flush calls made to "addTrianglesDrawn" so far to stats machinery

+    recordTrianglesDrawn();

+}

+

+void LLPipeline::bindLightFunc(LLGLSLShader& shader)

+{

+    S32 channel = shader.enableTexture(LLShaderMgr::DEFERRED_LIGHTFUNC);

+    if (channel > -1)

+    {

+        gGL.getTexUnit(channel)->bindManual(LLTexUnit::TT_TEXTURE, mLightFunc);

+    }

+

+    channel = shader.enableTexture(LLShaderMgr::DEFERRED_BRDF_LUT, LLTexUnit::TT_TEXTURE);

+    if (channel > -1)

+    {

+        mPbrBrdfLut.bindTexture(0, channel);

+    }

+}

+

+void LLPipeline::bindShadowMaps(LLGLSLShader& shader)

+{

+    for (U32 i = 0; i < 4; i++)

+    {

+        LLRenderTarget* shadow_target = getSunShadowTarget(i);

+        if (shadow_target)

+        {

+            S32 channel = shader.enableTexture(LLShaderMgr::DEFERRED_SHADOW0 + i, LLTexUnit::TT_TEXTURE);

+            if (channel > -1)

+            {

+                gGL.getTexUnit(channel)->bind(getSunShadowTarget(i), true);

+            }

+        }

+    }

+

+    for (U32 i = 4; i < 6; i++)

+    {

+        S32 channel = shader.enableTexture(LLShaderMgr::DEFERRED_SHADOW0 + i);

+        if (channel > -1)

+        {

+            LLRenderTarget* shadow_target = getSpotShadowTarget(i - 4);

+            if (shadow_target)

+            {

+                gGL.getTexUnit(channel)->bind(shadow_target, true);

+            }

+        }

+    }

+}

+

+void LLPipeline::bindDeferredShaderFast(LLGLSLShader& shader)

+{

+    if (shader.mCanBindFast)

+    { // was previously fully bound, use fast path

+        shader.bind();

+        bindLightFunc(shader);

+        bindShadowMaps(shader);

+        bindReflectionProbes(shader);

+    }

+    else

+    { //wasn't previously bound, use slow path

+        bindDeferredShader(shader);

+        shader.mCanBindFast = true;

+    }

+}

+

+void LLPipeline::bindDeferredShader(LLGLSLShader& shader, LLRenderTarget* light_target, LLRenderTarget* depth_target)

+{

+    LL_PROFILE_ZONE_SCOPED_CATEGORY_PIPELINE;

+    LLRenderTarget* deferred_target       = &mRT->deferredScreen;

+    LLRenderTarget* deferred_light_target = &mRT->deferredLight;

+

+    shader.bind();

+    S32 channel = 0;

+    channel = shader.enableTexture(LLShaderMgr::DEFERRED_DIFFUSE, deferred_target->getUsage());

+    if (channel > -1)

+    {

+        deferred_target->bindTexture(0,channel, LLTexUnit::TFO_POINT); // frag_data[0]

+        gGL.getTexUnit(channel)->setTextureAddressMode(LLTexUnit::TAM_CLAMP);

+    }

+

+    channel = shader.enableTexture(LLShaderMgr::DEFERRED_SPECULAR, deferred_target->getUsage());

+    if (channel > -1)

+    {

+        deferred_target->bindTexture(1, channel, LLTexUnit::TFO_POINT); // frag_data[1]

+        gGL.getTexUnit(channel)->setTextureAddressMode(LLTexUnit::TAM_CLAMP);

+    }

+

+    channel = shader.enableTexture(LLShaderMgr::DEFERRED_NORMAL, deferred_target->getUsage());

+    if (channel > -1)

+    {

+        deferred_target->bindTexture(2, channel, LLTexUnit::TFO_POINT); // frag_data[2]

+        gGL.getTexUnit(channel)->setTextureAddressMode(LLTexUnit::TAM_CLAMP);

+    }

+

+    channel = shader.enableTexture(LLShaderMgr::DEFERRED_EMISSIVE, deferred_target->getUsage());

+    if (channel > -1)

+    {

+        deferred_target->bindTexture(3, channel, LLTexUnit::TFO_POINT); // frag_data[3]

+        gGL.getTexUnit(channel)->setTextureAddressMode(LLTexUnit::TAM_CLAMP);

+    }

+

+    channel = shader.enableTexture(LLShaderMgr::DEFERRED_DEPTH, deferred_target->getUsage());

+    if (channel > -1)

+    {

+        if (depth_target)

+        {

+            gGL.getTexUnit(channel)->bind(depth_target, true);

+        }

+        else

+        {

+            gGL.getTexUnit(channel)->bind(deferred_target, true);

+        }

+        stop_glerror();

+    }

+

+    channel = shader.enableTexture(LLShaderMgr::EXPOSURE_MAP);

+    if (channel > -1)

+    {

+        gGL.getTexUnit(channel)->bind(&mExposureMap);

+    }

+

+    if (shader.getUniformLocation(LLShaderMgr::VIEWPORT) != -1)

+    {

+        shader.uniform4f(LLShaderMgr::VIEWPORT, (F32) gGLViewport[0],

+                                    (F32) gGLViewport[1],

+                                    (F32) gGLViewport[2],

+                                    (F32) gGLViewport[3]);

+    }

+

+    if (sReflectionRender && !shader.getUniformLocation(LLShaderMgr::MODELVIEW_MATRIX))

+    {

+        shader.uniformMatrix4fv(LLShaderMgr::MODELVIEW_MATRIX, 1, false, mReflectionModelView.m);

+    }

+

+    channel = shader.enableTexture(LLShaderMgr::DEFERRED_NOISE);

+    if (channel > -1)

+    {

+        gGL.getTexUnit(channel)->bindManual(LLTexUnit::TT_TEXTURE, mNoiseMap);

+        gGL.getTexUnit(channel)->setTextureFilteringOption(LLTexUnit::TFO_POINT);

+    }

+

+    bindLightFunc(shader);

+

+    stop_glerror();

+

+    light_target = light_target ? light_target : deferred_light_target;

+    channel = shader.enableTexture(LLShaderMgr::DEFERRED_LIGHT, light_target->getUsage());

+    if (channel > -1)

+    {

+        if (light_target->isComplete())

+        {

+            light_target->bindTexture(0, channel, LLTexUnit::TFO_POINT);

+        }

+        else

+        {

+            gGL.getTexUnit(channel)->bindFast(LLViewerFetchedTexture::sWhiteImagep);

+        }

+    }

+

+    stop_glerror();

+

+    bindShadowMaps(shader);

+

+    stop_glerror();

+

+    F32 mat[16*6];

+    for (U32 i = 0; i < 16; i++)

+    {

+        mat[i] = mSunShadowMatrix[0].m[i];

+        mat[i+16] = mSunShadowMatrix[1].m[i];

+        mat[i+32] = mSunShadowMatrix[2].m[i];

+        mat[i+48] = mSunShadowMatrix[3].m[i];

+        mat[i+64] = mSunShadowMatrix[4].m[i];

+        mat[i+80] = mSunShadowMatrix[5].m[i];

+    }

+

+    shader.uniformMatrix4fv(LLShaderMgr::DEFERRED_SHADOW_MATRIX, 6, false, mat);

+

+    stop_glerror();

+

+    if (!LLPipeline::sReflectionProbesEnabled)

+    {

+        channel = shader.enableTexture(LLShaderMgr::ENVIRONMENT_MAP, LLTexUnit::TT_CUBE_MAP);

+        if (channel > -1)

+        {

+            LLCubeMap* cube_map = gSky.mVOSkyp ? gSky.mVOSkyp->getCubeMap() : NULL;

+            if (cube_map)

+            {

+                cube_map->enable(channel);

+                cube_map->bind();

+            }

+

+            F32* m = gGLModelView;

+

+            F32 mat[] = { m[0], m[1], m[2],

+                          m[4], m[5], m[6],

+                          m[8], m[9], m[10] };

+

+            shader.uniformMatrix3fv(LLShaderMgr::DEFERRED_ENV_MAT, 1, true, mat);

+        }

+    }

+

+    bindReflectionProbes(shader);

+

+    if (gAtmosphere)

+    {

+        // bind precomputed textures necessary for calculating sun and sky luminance

+        channel = shader.enableTexture(LLShaderMgr::TRANSMITTANCE_TEX, LLTexUnit::TT_TEXTURE);

+        if (channel > -1)

+        {

+            shader.bindTexture(LLShaderMgr::TRANSMITTANCE_TEX, gAtmosphere->getTransmittance());

+        }

+

+        channel = shader.enableTexture(LLShaderMgr::SCATTER_TEX, LLTexUnit::TT_TEXTURE_3D);

+        if (channel > -1)

+        {

+            shader.bindTexture(LLShaderMgr::SCATTER_TEX, gAtmosphere->getScattering());

+        }

+

+        channel = shader.enableTexture(LLShaderMgr::SINGLE_MIE_SCATTER_TEX, LLTexUnit::TT_TEXTURE_3D);

+        if (channel > -1)

+        {

+            shader.bindTexture(LLShaderMgr::SINGLE_MIE_SCATTER_TEX, gAtmosphere->getMieScattering());

+        }

+

+        channel = shader.enableTexture(LLShaderMgr::ILLUMINANCE_TEX, LLTexUnit::TT_TEXTURE);

+        if (channel > -1)

+        {

+            shader.bindTexture(LLShaderMgr::ILLUMINANCE_TEX, gAtmosphere->getIlluminance());

+        }

+    }

+

+    /*if (gCubeSnapshot)

+    { // we only really care about the first two values, but the shader needs increasing separation between clip planes

+        shader.uniform4f(LLShaderMgr::DEFERRED_SHADOW_CLIP, 1.f, 64.f, 128.f, 256.f);

+    }

+    else*/

+    {

+        shader.uniform4fv(LLShaderMgr::DEFERRED_SHADOW_CLIP, 1, mSunClipPlanes.mV);

+    }

+    shader.uniform1f(LLShaderMgr::DEFERRED_SUN_WASH, RenderDeferredSunWash);

+    shader.uniform1f(LLShaderMgr::DEFERRED_SHADOW_NOISE, RenderShadowNoise);

+    shader.uniform1f(LLShaderMgr::DEFERRED_BLUR_SIZE, RenderShadowBlurSize);

+

+    shader.uniform1f(LLShaderMgr::DEFERRED_SSAO_RADIUS, RenderSSAOScale);

+    shader.uniform1f(LLShaderMgr::DEFERRED_SSAO_MAX_RADIUS, RenderSSAOMaxScale);

+

+    F32 ssao_factor = RenderSSAOFactor;

+    shader.uniform1f(LLShaderMgr::DEFERRED_SSAO_FACTOR, ssao_factor);

+    shader.uniform1f(LLShaderMgr::DEFERRED_SSAO_FACTOR_INV, 1.0/ssao_factor);

+

+    LLVector3 ssao_effect = RenderSSAOEffect;

+    F32 matrix_diag = (ssao_effect[0] + 2.0*ssao_effect[1])/3.0;

+    F32 matrix_nondiag = (ssao_effect[0] - ssao_effect[1])/3.0;

+    // This matrix scales (proj of color onto <1/rt(3),1/rt(3),1/rt(3)>) by

+    // value factor, and scales remainder by saturation factor

+    F32 ssao_effect_mat[] = {   matrix_diag, matrix_nondiag, matrix_nondiag,

+                                matrix_nondiag, matrix_diag, matrix_nondiag,

+                                matrix_nondiag, matrix_nondiag, matrix_diag};

+    shader.uniformMatrix3fv(LLShaderMgr::DEFERRED_SSAO_EFFECT_MAT, 1, GL_FALSE, ssao_effect_mat);

+

+    //F32 shadow_offset_error = 1.f + RenderShadowOffsetError * fabsf(LLViewerCamera::getInstance()->getOrigin().mV[2]);

+    F32 shadow_bias_error = RenderShadowBiasError * fabsf(LLViewerCamera::getInstance()->getOrigin().mV[2])/3000.f;

+    F32 shadow_bias       = RenderShadowBias + shadow_bias_error;

+

+    shader.uniform2f(LLShaderMgr::DEFERRED_SCREEN_RES, deferred_target->getWidth(), deferred_target->getHeight());

+    shader.uniform1f(LLShaderMgr::DEFERRED_NEAR_CLIP, LLViewerCamera::getInstance()->getNear()*2.f);

+    shader.uniform1f (LLShaderMgr::DEFERRED_SHADOW_OFFSET, RenderShadowOffset); //*shadow_offset_error);

+    shader.uniform1f(LLShaderMgr::DEFERRED_SHADOW_BIAS, shadow_bias);

+    shader.uniform1f(LLShaderMgr::DEFERRED_SPOT_SHADOW_OFFSET, RenderSpotShadowOffset);

+    shader.uniform1f(LLShaderMgr::DEFERRED_SPOT_SHADOW_BIAS, RenderSpotShadowBias);

+

+    shader.uniform3fv(LLShaderMgr::DEFERRED_SUN_DIR, 1, mTransformedSunDir.mV);

+    shader.uniform3fv(LLShaderMgr::DEFERRED_MOON_DIR, 1, mTransformedMoonDir.mV);

+    shader.uniform2f(LLShaderMgr::DEFERRED_SHADOW_RES, mRT->shadow[0].getWidth(), mRT->shadow[0].getHeight());

+    shader.uniform2f(LLShaderMgr::DEFERRED_PROJ_SHADOW_RES, mSpotShadow[0].getWidth(), mSpotShadow[0].getHeight());

+    shader.uniform1f(LLShaderMgr::DEFERRED_DEPTH_CUTOFF, RenderEdgeDepthCutoff);

+    shader.uniform1f(LLShaderMgr::DEFERRED_NORM_CUTOFF, RenderEdgeNormCutoff);

+

+    shader.uniformMatrix4fv(LLShaderMgr::MODELVIEW_DELTA_MATRIX, 1, GL_FALSE, gGLDeltaModelView);

+    shader.uniformMatrix4fv(LLShaderMgr::INVERSE_MODELVIEW_DELTA_MATRIX, 1, GL_FALSE, gGLInverseDeltaModelView);

+

+    shader.uniform1i(LLShaderMgr::CUBE_SNAPSHOT, gCubeSnapshot ? 1 : 0);

+

+    if (shader.getUniformLocation(LLShaderMgr::DEFERRED_NORM_MATRIX) >= 0)

+    {

+        glh::matrix4f norm_mat = get_current_modelview().inverse().transpose();

+        shader.uniformMatrix4fv(LLShaderMgr::DEFERRED_NORM_MATRIX, 1, false, norm_mat.m);

+    }

+

+    // auto adjust legacy sun color if needed

+    static LLCachedControl<bool> should_auto_adjust(gSavedSettings, "RenderSkyAutoAdjustLegacy", true);

+    static LLCachedControl<F32> auto_adjust_sun_color_scale(gSavedSettings, "RenderSkyAutoAdjustSunColorScale", 1.f);

+    LLSettingsSky::ptr_t psky = LLEnvironment::instance().getCurrentSky();

+    LLColor3 sun_diffuse(mSunDiffuse.mV);

+    if (should_auto_adjust && psky->canAutoAdjust())

+    {

+        sun_diffuse *= auto_adjust_sun_color_scale;

+    }

+

+    shader.uniform3fv(LLShaderMgr::SUNLIGHT_COLOR, 1, sun_diffuse.mV);

+    shader.uniform3fv(LLShaderMgr::MOONLIGHT_COLOR, 1, mMoonDiffuse.mV);

+

+    shader.uniform1f(LLShaderMgr::REFLECTION_PROBE_MAX_LOD, mReflectionMapManager.mMaxProbeLOD);

+}

+

+

+LLColor3 pow3f(LLColor3 v, F32 f)

+{

+    v.mV[0] = powf(v.mV[0], f);

+    v.mV[1] = powf(v.mV[1], f);

+    v.mV[2] = powf(v.mV[2], f);

+    return v;

+}

+

+LLVector4 pow4fsrgb(LLVector4 v, F32 f)

+{

+    v.mV[0] = powf(v.mV[0], f);

+    v.mV[1] = powf(v.mV[1], f);

+    v.mV[2] = powf(v.mV[2], f);

+    return v;

+}

+

+void LLPipeline::renderDeferredLighting()

+{

+    LL_PROFILE_ZONE_SCOPED_CATEGORY_PIPELINE;

+    LL_PROFILE_GPU_ZONE("renderDeferredLighting");

+    if (!sCull)

+    {

+        return;

+    }

+

+    llassert(!sRenderingHUDs);

+

+    F32 light_scale = 1.f;

+

+    if (gCubeSnapshot)

+    { //darken local lights when probe ambiance is above 1

+        light_scale = mReflectionMapManager.mLightScale;

+    }

+

+    LLRenderTarget *screen_target         = &mRT->screen;

+    LLRenderTarget* deferred_light_target = &mRT->deferredLight;

+

+    {

+        LL_PROFILE_ZONE_NAMED_CATEGORY_PIPELINE("deferred");

+        LLViewerCamera *camera = LLViewerCamera::getInstance();

+

+        if (gPipeline.hasRenderType(LLPipeline::RENDER_TYPE_HUD))

+        {

+            gPipeline.toggleRenderType(LLPipeline::RENDER_TYPE_HUD);

+        }

+

+        gGL.setColorMask(true, true);

+

+        // draw a cube around every light

+        LLVertexBuffer::unbind();

+

+        LLGLEnable cull(GL_CULL_FACE);

+        LLGLEnable blend(GL_BLEND);

+

+        glh::matrix4f mat = copy_matrix(gGLModelView);

+

+        setupHWLights();  // to set mSun/MoonDir;

+

+        glh::vec4f tc(mSunDir.mV);

+        mat.mult_matrix_vec(tc);

+        mTransformedSunDir.set(tc.v);

+

+        glh::vec4f tc_moon(mMoonDir.mV);

+        mat.mult_matrix_vec(tc_moon);

+        mTransformedMoonDir.set(tc_moon.v);

+

+        if (RenderDeferredSSAO || RenderShadowDetail > 0)

+        {

+            LL_PROFILE_GPU_ZONE("sun program");

+            deferred_light_target->bindTarget();

+            {  // paint shadow/SSAO light map (direct lighting lightmap)

+                LL_PROFILE_ZONE_NAMED_CATEGORY_PIPELINE("renderDeferredLighting - sun shadow");

+                bindDeferredShader(gDeferredSunProgram, deferred_light_target);

+                mScreenTriangleVB->setBuffer();

+                glClearColor(1, 1, 1, 1);

+                deferred_light_target->clear(GL_COLOR_BUFFER_BIT);

+                glClearColor(0, 0, 0, 0);

+

+                glh::matrix4f inv_trans = get_current_modelview().inverse().transpose();

+

+                const U32 slice = 32;

+                F32       offset[slice * 3];

+                for (U32 i = 0; i < 4; i++)

+                {

+                    for (U32 j = 0; j < 8; j++)

+                    {

+                        glh::vec3f v;

+                        v.set_value(sinf(6.284f / 8 * j), cosf(6.284f / 8 * j), -(F32) i);

+                        v.normalize();

+                        inv_trans.mult_matrix_vec(v);

+                        v.normalize();

+                        offset[(i * 8 + j) * 3 + 0] = v.v[0];

+                        offset[(i * 8 + j) * 3 + 1] = v.v[2];

+                        offset[(i * 8 + j) * 3 + 2] = v.v[1];

+                    }

+                }

+

+                gDeferredSunProgram.uniform3fv(sOffset, slice, offset);

+                gDeferredSunProgram.uniform2f(LLShaderMgr::DEFERRED_SCREEN_RES,

+                                              deferred_light_target->getWidth(),

+                                              deferred_light_target->getHeight());

+

+                {

+                    LLGLDisable   blend(GL_BLEND);

+                    LLGLDepthTest depth(GL_TRUE, GL_FALSE, GL_ALWAYS);

+                    mScreenTriangleVB->drawArrays(LLRender::TRIANGLES, 0, 3);

+                }

+

+                unbindDeferredShader(gDeferredSunProgram);

+            }

+            deferred_light_target->flush();

+        }

+

+        if (RenderDeferredSSAO)

+        {

+            // soften direct lighting lightmap

+            LL_PROFILE_ZONE_NAMED_CATEGORY_PIPELINE("renderDeferredLighting - soften shadow");

+            LL_PROFILE_GPU_ZONE("soften shadow");

+            // blur lightmap

+            screen_target->bindTarget();

+            glClearColor(1, 1, 1, 1);

+            screen_target->clear(GL_COLOR_BUFFER_BIT);

+            glClearColor(0, 0, 0, 0);

+

+            bindDeferredShader(gDeferredBlurLightProgram);

+

+            LLVector3 go = RenderShadowGaussian;

+            const U32 kern_length = 4;

+            F32       blur_size = RenderShadowBlurSize;

+            F32       dist_factor = RenderShadowBlurDistFactor;

+

+            // sample symmetrically with the middle sample falling exactly on 0.0

+            F32 x = 0.f;

+

+            LLVector3 gauss[32];  // xweight, yweight, offset

+

+            for (U32 i = 0; i < kern_length; i++)

+            {

+                gauss[i].mV[0] = llgaussian(x, go.mV[0]);

+                gauss[i].mV[1] = llgaussian(x, go.mV[1]);

+                gauss[i].mV[2] = x;

+                x += 1.f;

+            }

+

+            gDeferredBlurLightProgram.uniform2f(sDelta, 1.f, 0.f);

+            gDeferredBlurLightProgram.uniform1f(sDistFactor, dist_factor);

+            gDeferredBlurLightProgram.uniform3fv(sKern, kern_length, gauss[0].mV);

+            gDeferredBlurLightProgram.uniform1f(sKernScale, blur_size * (kern_length / 2.f - 0.5f));

+

+            {

+                LLGLDisable   blend(GL_BLEND);

+                LLGLDepthTest depth(GL_TRUE, GL_FALSE, GL_ALWAYS);

+                mScreenTriangleVB->setBuffer();

+                mScreenTriangleVB->drawArrays(LLRender::TRIANGLES, 0, 3);

+            }

+

+            screen_target->flush();

+            unbindDeferredShader(gDeferredBlurLightProgram);

+

+            bindDeferredShader(gDeferredBlurLightProgram, screen_target);

+

+            deferred_light_target->bindTarget();

+

+            gDeferredBlurLightProgram.uniform2f(sDelta, 0.f, 1.f);

+

+            {

+                LLGLDisable   blend(GL_BLEND);

+                LLGLDepthTest depth(GL_TRUE, GL_FALSE, GL_ALWAYS);

+                mScreenTriangleVB->setBuffer();

+                mScreenTriangleVB->drawArrays(LLRender::TRIANGLES, 0, 3);

+            }

+            deferred_light_target->flush();

+            unbindDeferredShader(gDeferredBlurLightProgram);

+        }

+

+        screen_target->bindTarget();

+        // clear color buffer here - zeroing alpha (glow) is important or it will accumulate against sky

+        glClearColor(0, 0, 0, 0);

+        screen_target->clear(GL_COLOR_BUFFER_BIT);

+

+        if (RenderDeferredAtmospheric)

+        {  // apply sunlight contribution

+            LLGLSLShader &soften_shader = gDeferredSoftenProgram;

+

+            LL_PROFILE_ZONE_NAMED_CATEGORY_PIPELINE("renderDeferredLighting - atmospherics");

+            LL_PROFILE_GPU_ZONE("atmospherics");

+            bindDeferredShader(soften_shader);

+

+            static LLCachedControl<F32> ssao_scale(gSavedSettings, "RenderSSAOIrradianceScale", 0.5f);

+            static LLCachedControl<F32> ssao_max(gSavedSettings, "RenderSSAOIrradianceMax", 0.25f);

+            static LLStaticHashedString ssao_scale_str("ssao_irradiance_scale");

+            static LLStaticHashedString ssao_max_str("ssao_irradiance_max");

+

+            soften_shader.uniform1f(ssao_scale_str, ssao_scale);

+            soften_shader.uniform1f(ssao_max_str, ssao_max);

+

+            LLEnvironment &environment = LLEnvironment::instance();

+            soften_shader.uniform1i(LLShaderMgr::SUN_UP_FACTOR, environment.getIsSunUp() ? 1 : 0);

+            soften_shader.uniform3fv(LLShaderMgr::LIGHTNORM, 1, environment.getClampedLightNorm().mV);

+

+            soften_shader.uniform4fv(LLShaderMgr::WATER_WATERPLANE, 1, LLDrawPoolAlpha::sWaterPlane.mV);

+

+            {

+                LLGLDepthTest depth(GL_FALSE);

+                LLGLDisable   blend(GL_BLEND);

+

+                // full screen blit

+                mScreenTriangleVB->setBuffer();

+                mScreenTriangleVB->drawArrays(LLRender::TRIANGLES, 0, 3);

+            }

+

+            unbindDeferredShader(gDeferredSoftenProgram);

+        }

+

+        static LLCachedControl<S32> local_light_count(gSavedSettings, "RenderLocalLightCount", 256);

+

+        if (local_light_count > 0)

+        {

+            gGL.setSceneBlendType(LLRender::BT_ADD);

+            std::list<LLVector4>        fullscreen_lights;

+            LLDrawable::drawable_list_t spot_lights;

+            LLDrawable::drawable_list_t fullscreen_spot_lights;

+

+            if (!gCubeSnapshot)

+            {

+                for (U32 i = 0; i < 2; i++)

+                {

+                    mTargetShadowSpotLight[i] = NULL;

+                }

+            }

+

+            std::list<LLVector4> light_colors;

+

+            LLVertexBuffer::unbind();

+

+            {

+                LL_PROFILE_ZONE_NAMED_CATEGORY_PIPELINE("renderDeferredLighting - local lights");

+                LL_PROFILE_GPU_ZONE("local lights");

+                bindDeferredShader(gDeferredLightProgram);

+

+                if (mCubeVB.isNull())

+                {

+                    mCubeVB = ll_create_cube_vb(LLVertexBuffer::MAP_VERTEX);

+                }

+

+                mCubeVB->setBuffer();

+

+                LLGLDepthTest depth(GL_TRUE, GL_FALSE);

+                // mNearbyLights already includes distance calculation and excludes muted avatars.

+                // It is calculated from mLights

+                // mNearbyLights also provides fade value to gracefully fade-out out of range lights

+                S32 count = 0;

+                for (light_set_t::iterator iter = mNearbyLights.begin(); iter != mNearbyLights.end(); ++iter)

+                {

+                    count++;

+                    if (count > local_light_count)

+                    { //stop collecting lights once we hit the limit

+                        break;

+                    }

+

+                    LLDrawable * drawablep = iter->drawable;

+                    LLVOVolume * volume = drawablep->getVOVolume();

+                    if (!volume)

+                    {

+                        continue;

+                    }

+

+                    if (volume->isAttachment())

+                    {

+                        if (!sRenderAttachedLights)

+                        {

+                            continue;

+                        }

+                    }

+

+                    LLVector4a center;

+                    center.load3(drawablep->getPositionAgent().mV);

+                    const F32 *c = center.getF32ptr();

+                    F32        s = volume->getLightRadius() * 1.5f;

+

+                    // send light color to shader in linear space

+                    LLColor3 col = volume->getLightLinearColor() * light_scale;

+

+                    if (col.magVecSquared() < 0.001f)

+                    {

+                        continue;

+                    }

+

+                    if (s <= 0.001f)

+                    {

+                        continue;

+                    }

+

+                    LLVector4a sa;

+                    sa.splat(s);

+                    if (camera->AABBInFrustumNoFarClip(center, sa) == 0)

+                    {

+                        continue;

+                    }

+

+                    sVisibleLightCount++;

+

+                    if (camera->getOrigin().mV[0] > c[0] + s + 0.2f || camera->getOrigin().mV[0] < c[0] - s - 0.2f ||

+                        camera->getOrigin().mV[1] > c[1] + s + 0.2f || camera->getOrigin().mV[1] < c[1] - s - 0.2f ||

+                        camera->getOrigin().mV[2] > c[2] + s + 0.2f || camera->getOrigin().mV[2] < c[2] - s - 0.2f)

+                    {  // draw box if camera is outside box

+                        if (volume->isLightSpotlight())

+                        {

+                            drawablep->getVOVolume()->updateSpotLightPriority();

+                            spot_lights.push_back(drawablep);

+                            continue;

+                        }

+

+                        gDeferredLightProgram.uniform3fv(LLShaderMgr::LIGHT_CENTER, 1, c);

+                        gDeferredLightProgram.uniform1f(LLShaderMgr::LIGHT_SIZE, s);

+                        gDeferredLightProgram.uniform3fv(LLShaderMgr::DIFFUSE_COLOR, 1, col.mV);

+                        gDeferredLightProgram.uniform1f(LLShaderMgr::LIGHT_FALLOFF, volume->getLightFalloff(DEFERRED_LIGHT_FALLOFF));

+                        gGL.syncMatrices();

+

+                        mCubeVB->drawRange(LLRender::TRIANGLE_FAN, 0, 7, 8, get_box_fan_indices(camera, center));

+                    }

+                    else

+                    {

+                        if (volume->isLightSpotlight())

+                        {

+                            drawablep->getVOVolume()->updateSpotLightPriority();

+                            fullscreen_spot_lights.push_back(drawablep);

+                            continue;

+                        }

+

+                        glh::vec3f tc(c);

+                        mat.mult_matrix_vec(tc);

+

+                        fullscreen_lights.push_back(LLVector4(tc.v[0], tc.v[1], tc.v[2], s));

+                        light_colors.push_back(LLVector4(col.mV[0], col.mV[1], col.mV[2], volume->getLightFalloff(DEFERRED_LIGHT_FALLOFF)));

+                    }

+                }

+

+                // Bookmark comment to allow searching for mSpecialRenderMode == 3 (avatar edit mode),

+                // prev site of appended deferred character light, removed by SL-13522 09/20

+

+                unbindDeferredShader(gDeferredLightProgram);

+            }

+

+            if (!spot_lights.empty())

+            {

+                LL_PROFILE_ZONE_NAMED_CATEGORY_PIPELINE("renderDeferredLighting - projectors");

+                LL_PROFILE_GPU_ZONE("projectors");

+                LLGLDepthTest depth(GL_TRUE, GL_FALSE);

+                bindDeferredShader(gDeferredSpotLightProgram);

+

+                mCubeVB->setBuffer();

+

+                gDeferredSpotLightProgram.enableTexture(LLShaderMgr::DEFERRED_PROJECTION);

+

+                for (LLDrawable::drawable_list_t::iterator iter = spot_lights.begin(); iter != spot_lights.end(); ++iter)

+                {

+                    LLDrawable *drawablep = *iter;

+

+                    LLVOVolume *volume = drawablep->getVOVolume();

+

+                    LLVector4a center;

+                    center.load3(drawablep->getPositionAgent().mV);

+                    const F32* c = center.getF32ptr();

+                    F32        s = volume->getLightRadius() * 1.5f;

+

+                    sVisibleLightCount++;

+

+                    setupSpotLight(gDeferredSpotLightProgram, drawablep);

+

+                    // send light color to shader in linear space

+                    LLColor3 col = volume->getLightLinearColor() * light_scale;

+

+                    gDeferredSpotLightProgram.uniform3fv(LLShaderMgr::LIGHT_CENTER, 1, c);

+                    gDeferredSpotLightProgram.uniform1f(LLShaderMgr::LIGHT_SIZE, s);

+                    gDeferredSpotLightProgram.uniform3fv(LLShaderMgr::DIFFUSE_COLOR, 1, col.mV);

+                    gDeferredSpotLightProgram.uniform1f(LLShaderMgr::LIGHT_FALLOFF, volume->getLightFalloff(DEFERRED_LIGHT_FALLOFF));

+                    gGL.syncMatrices();

+

+                    mCubeVB->drawRange(LLRender::TRIANGLE_FAN, 0, 7, 8, get_box_fan_indices(camera, center));

+                }

+                gDeferredSpotLightProgram.disableTexture(LLShaderMgr::DEFERRED_PROJECTION);

+                unbindDeferredShader(gDeferredSpotLightProgram);

+            }

+

+            {

+                LL_PROFILE_ZONE_NAMED_CATEGORY_PIPELINE("renderDeferredLighting - fullscreen lights");

+                LLGLDepthTest depth(GL_FALSE);

+                LL_PROFILE_GPU_ZONE("fullscreen lights");

+

+                U32 count = 0;

+

+                const U32 max_count = LL_DEFERRED_MULTI_LIGHT_COUNT;

+                LLVector4 light[max_count];

+                LLVector4 col[max_count];

+

+                F32 far_z = 0.f;

+

+                while (!fullscreen_lights.empty())

+                {

+                    light[count] = fullscreen_lights.front();

+                    fullscreen_lights.pop_front();

+                    col[count] = light_colors.front();

+                    light_colors.pop_front();

+

+                    far_z = llmin(light[count].mV[2] - light[count].mV[3], far_z);

+                    count++;

+                    if (count == max_count || fullscreen_lights.empty())

+                    {

+                        U32 idx = count - 1;

+                        bindDeferredShader(gDeferredMultiLightProgram[idx]);

+                        gDeferredMultiLightProgram[idx].uniform1i(LLShaderMgr::MULTI_LIGHT_COUNT, count);

+                        gDeferredMultiLightProgram[idx].uniform4fv(LLShaderMgr::MULTI_LIGHT, count, (GLfloat*)light);

+                        gDeferredMultiLightProgram[idx].uniform4fv(LLShaderMgr::MULTI_LIGHT_COL, count, (GLfloat*)col);

+                        gDeferredMultiLightProgram[idx].uniform1f(LLShaderMgr::MULTI_LIGHT_FAR_Z, far_z);

+                        far_z = 0.f;

+                        count = 0;

+                        mScreenTriangleVB->setBuffer();

+                        mScreenTriangleVB->drawArrays(LLRender::TRIANGLES, 0, 3);

+                        unbindDeferredShader(gDeferredMultiLightProgram[idx]);

+                    }

+                }

+

+                bindDeferredShader(gDeferredMultiSpotLightProgram);

+

+                gDeferredMultiSpotLightProgram.enableTexture(LLShaderMgr::DEFERRED_PROJECTION);

+

+                mScreenTriangleVB->setBuffer();

+

+                for (LLDrawable::drawable_list_t::iterator iter = fullscreen_spot_lights.begin(); iter != fullscreen_spot_lights.end(); ++iter)

+                {

+                    LLDrawable* drawablep = *iter;

+                    LLVOVolume* volume = drawablep->getVOVolume();

+                    LLVector3   center = drawablep->getPositionAgent();

+                    F32* c = center.mV;

+                    F32         light_size_final = volume->getLightRadius() * 1.5f;

+                    F32         light_falloff_final = volume->getLightFalloff(DEFERRED_LIGHT_FALLOFF);

+

+                    sVisibleLightCount++;

+

+                    glh::vec3f tc(c);

+                    mat.mult_matrix_vec(tc);

+

+                    setupSpotLight(gDeferredMultiSpotLightProgram, drawablep);

+

+                    // send light color to shader in linear space

+                    LLColor3 col = volume->getLightLinearColor() * light_scale;

+

+                    gDeferredMultiSpotLightProgram.uniform3fv(LLShaderMgr::LIGHT_CENTER, 1, tc.v);

+                    gDeferredMultiSpotLightProgram.uniform1f(LLShaderMgr::LIGHT_SIZE, light_size_final);

+                    gDeferredMultiSpotLightProgram.uniform3fv(LLShaderMgr::DIFFUSE_COLOR, 1, col.mV);

+                    gDeferredMultiSpotLightProgram.uniform1f(LLShaderMgr::LIGHT_FALLOFF, light_falloff_final);

+                    mScreenTriangleVB->drawArrays(LLRender::TRIANGLES, 0, 3);

+                }

+

+                gDeferredMultiSpotLightProgram.disableTexture(LLShaderMgr::DEFERRED_PROJECTION);

+                unbindDeferredShader(gDeferredMultiSpotLightProgram);

+            }

+        }

+

+        gGL.setColorMask(true, true);

+    }

+

+    {  // render non-deferred geometry (alpha, fullbright, glow)

+        LLGLDisable blend(GL_BLEND);

+

+        pushRenderTypeMask();

+        andRenderTypeMask(LLPipeline::RENDER_TYPE_ALPHA,

+                          LLPipeline::RENDER_TYPE_ALPHA_PRE_WATER,

+                          LLPipeline::RENDER_TYPE_ALPHA_POST_WATER,

+                          LLPipeline::RENDER_TYPE_FULLBRIGHT,

+                          LLPipeline::RENDER_TYPE_VOLUME,

+                          LLPipeline::RENDER_TYPE_GLOW,

+                          LLPipeline::RENDER_TYPE_BUMP,

+                          LLPipeline::RENDER_TYPE_GLTF_PBR,

+                          LLPipeline::RENDER_TYPE_PASS_SIMPLE,

+                          LLPipeline::RENDER_TYPE_PASS_ALPHA,

+                          LLPipeline::RENDER_TYPE_PASS_ALPHA_MASK,

+                          LLPipeline::RENDER_TYPE_PASS_BUMP,

+                          LLPipeline::RENDER_TYPE_PASS_POST_BUMP,

+                          LLPipeline::RENDER_TYPE_PASS_FULLBRIGHT,

+                          LLPipeline::RENDER_TYPE_PASS_FULLBRIGHT_ALPHA_MASK,

+                          LLPipeline::RENDER_TYPE_PASS_FULLBRIGHT_SHINY,

+                          LLPipeline::RENDER_TYPE_PASS_GLOW,

+                          LLPipeline::RENDER_TYPE_PASS_GLTF_GLOW,

+                          LLPipeline::RENDER_TYPE_PASS_GRASS,

+                          LLPipeline::RENDER_TYPE_PASS_SHINY,

+                          LLPipeline::RENDER_TYPE_PASS_INVISIBLE,

+                          LLPipeline::RENDER_TYPE_PASS_INVISI_SHINY,

+                          LLPipeline::RENDER_TYPE_AVATAR,

+                          LLPipeline::RENDER_TYPE_CONTROL_AV,

+                          LLPipeline::RENDER_TYPE_ALPHA_MASK,

+                          LLPipeline::RENDER_TYPE_FULLBRIGHT_ALPHA_MASK,

+                          LLPipeline::RENDER_TYPE_WATER,

+                          END_RENDER_TYPES);

+

+        renderGeomPostDeferred(*LLViewerCamera::getInstance());

+        popRenderTypeMask();

+    }

+

+    screen_target->flush();

+

+    if (!gCubeSnapshot)

+    {

+        // this is the end of the 3D scene render, grab a copy of the modelview and projection

+        // matrix for use in off-by-one-frame effects in the next frame

+        for (U32 i = 0; i < 16; i++)

+        {

+            gGLLastModelView[i] = gGLModelView[i];

+            gGLLastProjection[i] = gGLProjection[i];

+        }

+    }

+    gGL.setColorMask(true, true);

+}

+

+void LLPipeline::doAtmospherics()

+{

+    LL_PROFILE_ZONE_SCOPED_CATEGORY_PIPELINE;

+

+    if (sImpostorRender)

+    { // do not attempt atmospherics on impostors

+        return;

+    }

+

+    if (RenderDeferredAtmospheric)

+    {

+        {

+            // copy depth buffer for use in haze shader (use water displacement map as temp storage)

+            LLGLDepthTest depth(GL_TRUE, GL_TRUE, GL_ALWAYS);

+

+            LLRenderTarget& src = gPipeline.mRT->screen;

+            LLRenderTarget& depth_src = gPipeline.mRT->deferredScreen;

+            LLRenderTarget& dst = gPipeline.mWaterDis;

+

+            mRT->screen.flush();

+            dst.bindTarget();

+            gCopyDepthProgram.bind();

+

+            S32 diff_map = gCopyDepthProgram.getTextureChannel(LLShaderMgr::DIFFUSE_MAP);

+            S32 depth_map = gCopyDepthProgram.getTextureChannel(LLShaderMgr::DEFERRED_DEPTH);

+

+            gGL.getTexUnit(diff_map)->bind(&src);

+            gGL.getTexUnit(depth_map)->bind(&depth_src, true);

+

+            gGL.setColorMask(false, false);

+            gPipeline.mScreenTriangleVB->setBuffer();

+            gPipeline.mScreenTriangleVB->drawArrays(LLRender::TRIANGLES, 0, 3);

+

+            dst.flush();

+            mRT->screen.bindTarget();

+        }

+

+        LLGLEnable blend(GL_BLEND);

+        gGL.blendFunc(LLRender::BF_ONE, LLRender::BF_SOURCE_ALPHA, LLRender::BF_ZERO, LLRender::BF_SOURCE_ALPHA);

+        gGL.setColorMask(true, true);

+

+        // apply haze

+        LLGLSLShader& haze_shader = gHazeProgram;

+

+        LL_PROFILE_GPU_ZONE("haze");

+        bindDeferredShader(haze_shader, nullptr, &mWaterDis);

+

+        LLEnvironment& environment = LLEnvironment::instance();

+        haze_shader.uniform1i(LLShaderMgr::SUN_UP_FACTOR, environment.getIsSunUp() ? 1 : 0);

+        haze_shader.uniform3fv(LLShaderMgr::LIGHTNORM, 1, environment.getClampedLightNorm().mV);

+

+        haze_shader.uniform4fv(LLShaderMgr::WATER_WATERPLANE, 1, LLDrawPoolAlpha::sWaterPlane.mV);

+

+        LLGLDepthTest depth(GL_FALSE);

+

+        // full screen blit

+        mScreenTriangleVB->setBuffer();

+        mScreenTriangleVB->drawArrays(LLRender::TRIANGLES, 0, 3);

+

+        unbindDeferredShader(haze_shader);

+

+        gGL.setSceneBlendType(LLRender::BT_ALPHA);

+    }

+}

+

+void LLPipeline::doWaterHaze()

+{

+    LL_PROFILE_ZONE_SCOPED_CATEGORY_PIPELINE;

+    if (sImpostorRender)

+    { // do not attempt water haze on impostors

+        return;

+    }

+

+    if (RenderDeferredAtmospheric)

+    {

+        // copy depth buffer for use in haze shader (use water displacement map as temp storage)

+        {

+            LLGLDepthTest depth(GL_TRUE, GL_TRUE, GL_ALWAYS);

+

+            LLRenderTarget& src = gPipeline.mRT->screen;

+            LLRenderTarget& depth_src = gPipeline.mRT->deferredScreen;

+            LLRenderTarget& dst = gPipeline.mWaterDis;

+

+            mRT->screen.flush();

+            dst.bindTarget();

+            gCopyDepthProgram.bind();

+

+            S32 diff_map = gCopyDepthProgram.getTextureChannel(LLShaderMgr::DIFFUSE_MAP);

+            S32 depth_map = gCopyDepthProgram.getTextureChannel(LLShaderMgr::DEFERRED_DEPTH);

+

+            gGL.getTexUnit(diff_map)->bind(&src);

+            gGL.getTexUnit(depth_map)->bind(&depth_src, true);

+

+            gGL.setColorMask(false, false);

+            gPipeline.mScreenTriangleVB->setBuffer();

+            gPipeline.mScreenTriangleVB->drawArrays(LLRender::TRIANGLES, 0, 3);

+

+            dst.flush();

+            mRT->screen.bindTarget();

+        }

+

+        LLGLEnable blend(GL_BLEND);

+        gGL.blendFunc(LLRender::BF_ONE, LLRender::BF_SOURCE_ALPHA, LLRender::BF_ZERO, LLRender::BF_SOURCE_ALPHA);

+

+        gGL.setColorMask(true, true);

+

+        // apply haze

+        LLGLSLShader& haze_shader = gHazeWaterProgram;

+

+        LL_PROFILE_GPU_ZONE("haze");

+        bindDeferredShader(haze_shader, nullptr, &mWaterDis);

+

+        haze_shader.uniform4fv(LLShaderMgr::WATER_WATERPLANE, 1, LLDrawPoolAlpha::sWaterPlane.mV);

+

+        static LLStaticHashedString above_water_str("above_water");

+        haze_shader.uniform1i(above_water_str, sUnderWaterRender ? -1 : 1);

+

+        if (LLPipeline::sUnderWaterRender)

+        {

+            LLGLDepthTest depth(GL_FALSE);

+

+            // full screen blit

+            mScreenTriangleVB->setBuffer();

+            mScreenTriangleVB->drawArrays(LLRender::TRIANGLES, 0, 3);

+        }

+        else

+        {

+            //render water patches like LLDrawPoolWater does

+            LLGLDepthTest depth(GL_TRUE, GL_FALSE);

+            LLGLDisable   cull(GL_CULL_FACE);

+

+            gGLLastMatrix = NULL;

+            gGL.loadMatrix(gGLModelView);

+

+            if (mWaterPool)

+            {

+                mWaterPool->pushFaceGeometry();

+            }

+        }

+

+        unbindDeferredShader(haze_shader);

+

+

+        gGL.setSceneBlendType(LLRender::BT_ALPHA);

+    }

+}

+

+void LLPipeline::setupSpotLight(LLGLSLShader& shader, LLDrawable* drawablep)

+{

+    //construct frustum

+    LLVOVolume* volume = drawablep->getVOVolume();

+    LLVector3 params = volume->getSpotLightParams();

+

+    F32 fov = params.mV[0];

+    F32 focus = params.mV[1];

+

+    LLVector3 pos = drawablep->getPositionAgent();

+    LLQuaternion quat = volume->getRenderRotation();

+    LLVector3 scale = volume->getScale();

+

+    //get near clip plane

+    LLVector3 at_axis(0,0,-scale.mV[2]*0.5f);

+    at_axis *= quat;

+

+    LLVector3 np = pos+at_axis;

+    at_axis.normVec();

+

+    //get origin that has given fov for plane np, at_axis, and given scale

+    F32 dist = (scale.mV[1]*0.5f)/tanf(fov*0.5f);

+

+    LLVector3 origin = np - at_axis*dist;

+

+    //matrix from volume space to agent space

+    LLMatrix4 light_mat(quat, LLVector4(origin,1.f));

+

+    glh::matrix4f light_to_agent((F32*) light_mat.mMatrix);

+    glh::matrix4f light_to_screen = get_current_modelview() * light_to_agent;

+

+    glh::matrix4f screen_to_light = light_to_screen.inverse();

+

+    F32 s = volume->getLightRadius()*1.5f;

+    F32 near_clip = dist;

+    F32 width = scale.mV[VX];

+    F32 height = scale.mV[VY];

+    F32 far_clip = s+dist-scale.mV[VZ];

+

+    F32 fovy = fov * RAD_TO_DEG;

+    F32 aspect = width/height;

+

+    glh::matrix4f trans(0.5f, 0.f, 0.f, 0.5f,

+                0.f, 0.5f, 0.f, 0.5f,

+                0.f, 0.f, 0.5f, 0.5f,

+                0.f, 0.f, 0.f, 1.f);

+

+    glh::vec3f p1(0, 0, -(near_clip+0.01f));

+    glh::vec3f p2(0, 0, -(near_clip+1.f));

+

+    glh::vec3f screen_origin(0, 0, 0);

+

+    light_to_screen.mult_matrix_vec(p1);

+    light_to_screen.mult_matrix_vec(p2);

+    light_to_screen.mult_matrix_vec(screen_origin);

+

+    glh::vec3f n = p2-p1;

+    n.normalize();

+

+    F32 proj_range = far_clip - near_clip;

+    glh::matrix4f light_proj = gl_perspective(fovy, aspect, near_clip, far_clip);

+    screen_to_light = trans * light_proj * screen_to_light;

+    shader.uniformMatrix4fv(LLShaderMgr::PROJECTOR_MATRIX, 1, false, screen_to_light.m);

+    shader.uniform1f(LLShaderMgr::PROJECTOR_NEAR, near_clip);

+    shader.uniform3fv(LLShaderMgr::PROJECTOR_P, 1, p1.v);

+    shader.uniform3fv(LLShaderMgr::PROJECTOR_N, 1, n.v);

+    shader.uniform3fv(LLShaderMgr::PROJECTOR_ORIGIN, 1, screen_origin.v);

+    shader.uniform1f(LLShaderMgr::PROJECTOR_RANGE, proj_range);

+    shader.uniform1f(LLShaderMgr::PROJECTOR_AMBIANCE, params.mV[2]);

+    S32 s_idx = -1;

+

+    for (U32 i = 0; i < 2; i++)

+    {

+        if (mShadowSpotLight[i] == drawablep)

+        {

+            s_idx = i;

+        }

+    }

+

+    shader.uniform1i(LLShaderMgr::PROJECTOR_SHADOW_INDEX, s_idx);

+

+    if (s_idx >= 0)

+    {

+        shader.uniform1f(LLShaderMgr::PROJECTOR_SHADOW_FADE, 1.f-mSpotLightFade[s_idx]);

+    }

+    else

+    {

+        shader.uniform1f(LLShaderMgr::PROJECTOR_SHADOW_FADE, 1.f);

+    }

+

+    // make sure we're not already targeting the same spot light with both shadow maps

+    llassert(mTargetShadowSpotLight[0] != mTargetShadowSpotLight[1] || mTargetShadowSpotLight[0].isNull());

+

+    if (!gCubeSnapshot)

+    {

+        LLDrawable* potential = drawablep;

+        //determine if this light is higher priority than one of the existing spot shadows

+        F32 m_pri = volume->getSpotLightPriority();

+

+        for (U32 i = 0; i < 2; i++)

+        {

+            F32 pri = 0.f;

+

+            if (mTargetShadowSpotLight[i].notNull())

+            {

+                pri = mTargetShadowSpotLight[i]->getVOVolume()->getSpotLightPriority();

+            }

+

+            if (m_pri > pri)

+            {

+                LLDrawable* temp = mTargetShadowSpotLight[i];

+                mTargetShadowSpotLight[i] = potential;

+                potential = temp;

+                m_pri = pri;

+            }

+        }

+    }

+

+    // make sure we didn't end up targeting the same spot light with both shadow maps

+    llassert(mTargetShadowSpotLight[0] != mTargetShadowSpotLight[1] || mTargetShadowSpotLight[0].isNull());

+

+    LLViewerTexture* img = volume->getLightTexture();

+

+    if (img == NULL)

+    {

+        img = LLViewerFetchedTexture::sWhiteImagep;

+    }

+

+    S32 channel = shader.enableTexture(LLShaderMgr::DEFERRED_PROJECTION);

+

+    if (channel > -1)

+    {

+        if (img)

+        {

+            gGL.getTexUnit(channel)->bind(img);

+

+            F32 lod_range = logf(img->getWidth())/logf(2.f);

+

+            shader.uniform1f(LLShaderMgr::PROJECTOR_FOCUS, focus);

+            shader.uniform1f(LLShaderMgr::PROJECTOR_LOD, lod_range);

+            shader.uniform1f(LLShaderMgr::PROJECTOR_AMBIENT_LOD, llclamp((proj_range-focus)/proj_range*lod_range, 0.f, 1.f));

+        }

+    }

+

+}

+

+void LLPipeline::unbindDeferredShader(LLGLSLShader &shader)

+{

+    LLRenderTarget* deferred_target       = &mRT->deferredScreen;

+    LLRenderTarget* deferred_light_target = &mRT->deferredLight;

+

+    stop_glerror();

+    shader.disableTexture(LLShaderMgr::DEFERRED_NORMAL, deferred_target->getUsage());

+    shader.disableTexture(LLShaderMgr::DEFERRED_DIFFUSE, deferred_target->getUsage());

+    shader.disableTexture(LLShaderMgr::DEFERRED_SPECULAR, deferred_target->getUsage());

+    shader.disableTexture(LLShaderMgr::DEFERRED_EMISSIVE, deferred_target->getUsage());

+    shader.disableTexture(LLShaderMgr::DEFERRED_BRDF_LUT);

+    //shader.disableTexture(LLShaderMgr::DEFERRED_DEPTH, deferred_depth_target->getUsage());

+    shader.disableTexture(LLShaderMgr::DEFERRED_DEPTH, deferred_target->getUsage());

+    shader.disableTexture(LLShaderMgr::DEFERRED_LIGHT, deferred_light_target->getUsage());

+    shader.disableTexture(LLShaderMgr::DIFFUSE_MAP);

+    shader.disableTexture(LLShaderMgr::DEFERRED_BLOOM);

+

+    for (U32 i = 0; i < 4; i++)

+    {

+        if (shader.disableTexture(LLShaderMgr::DEFERRED_SHADOW0+i) > -1)

+        {

+            glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_COMPARE_MODE, GL_NONE);

+        }

+    }

+

+    for (U32 i = 4; i < 6; i++)

+    {

+        if (shader.disableTexture(LLShaderMgr::DEFERRED_SHADOW0+i) > -1)

+        {

+            glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_COMPARE_MODE, GL_NONE);

+        }

+    }

+

+    shader.disableTexture(LLShaderMgr::DEFERRED_NOISE);

+    shader.disableTexture(LLShaderMgr::DEFERRED_LIGHTFUNC);

+

+    if (!LLPipeline::sReflectionProbesEnabled)

+    {

+        S32 channel = shader.disableTexture(LLShaderMgr::ENVIRONMENT_MAP, LLTexUnit::TT_CUBE_MAP);

+        if (channel > -1)

+        {

+            LLCubeMap* cube_map = gSky.mVOSkyp ? gSky.mVOSkyp->getCubeMap() : NULL;

+            if (cube_map)

+            {

+                cube_map->disable();

+            }

+        }

+    }

+

+    unbindReflectionProbes(shader);

+

+    gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);

+    gGL.getTexUnit(0)->activate();

+    shader.unbind();

+}

+

+void LLPipeline::setEnvMat(LLGLSLShader& shader)

+{

+    F32* m = gGLModelView;

+

+    F32 mat[] = { m[0], m[1], m[2],

+                    m[4], m[5], m[6],

+                    m[8], m[9], m[10] };

+

+    shader.uniformMatrix3fv(LLShaderMgr::DEFERRED_ENV_MAT, 1, true, mat);

+}

+

+void LLPipeline::bindReflectionProbes(LLGLSLShader& shader)

+{

+    if (!sReflectionProbesEnabled)

+    {

+        return;

+    }

+

+    S32 channel = shader.enableTexture(LLShaderMgr::REFLECTION_PROBES, LLTexUnit::TT_CUBE_MAP_ARRAY);

+    bool bound = false;

+    if (channel > -1 && mReflectionMapManager.mTexture.notNull())

+    {

+        mReflectionMapManager.mTexture->bind(channel);

+        bound = true;

+    }

+

+    channel = shader.enableTexture(LLShaderMgr::IRRADIANCE_PROBES, LLTexUnit::TT_CUBE_MAP_ARRAY);

+    if (channel > -1 && mReflectionMapManager.mIrradianceMaps.notNull())

+    {

+        mReflectionMapManager.mIrradianceMaps->bind(channel);

+        bound = true;

+    }

+

+    if (bound)

+    {

+        mReflectionMapManager.setUniforms();

+

+        setEnvMat(shader);

+    }

+

+    // reflection probe shaders generally sample the scene map as well for SSR

+    channel = shader.enableTexture(LLShaderMgr::SCENE_MAP);

+    if (channel > -1)

+    {

+        gGL.getTexUnit(channel)->bind(&mSceneMap);

+    }

+

+

+    shader.uniform1f(LLShaderMgr::DEFERRED_SSR_ITR_COUNT, RenderScreenSpaceReflectionIterations);

+    shader.uniform1f(LLShaderMgr::DEFERRED_SSR_DIST_BIAS, RenderScreenSpaceReflectionDistanceBias);

+    shader.uniform1f(LLShaderMgr::DEFERRED_SSR_RAY_STEP, RenderScreenSpaceReflectionRayStep);

+    shader.uniform1f(LLShaderMgr::DEFERRED_SSR_GLOSSY_SAMPLES, RenderScreenSpaceReflectionGlossySamples);

+    shader.uniform1f(LLShaderMgr::DEFERRED_SSR_REJECT_BIAS, RenderScreenSpaceReflectionDepthRejectBias);

+    mPoissonOffset++;

+

+    if (mPoissonOffset > 128 - RenderScreenSpaceReflectionGlossySamples)

+        mPoissonOffset = 0;

+

+    shader.uniform1f(LLShaderMgr::DEFERRED_SSR_NOISE_SINE, mPoissonOffset);

+    shader.uniform1f(LLShaderMgr::DEFERRED_SSR_ADAPTIVE_STEP_MULT, RenderScreenSpaceReflectionAdaptiveStepMultiplier);

+

+    channel = shader.enableTexture(LLShaderMgr::SCENE_DEPTH);

+    if (channel > -1)

+    {

+        gGL.getTexUnit(channel)->bind(&mSceneMap, true);

+    }

+

+

+}

+

+void LLPipeline::unbindReflectionProbes(LLGLSLShader& shader)

+{

+    S32 channel = shader.disableTexture(LLShaderMgr::REFLECTION_PROBES, LLTexUnit::TT_CUBE_MAP);

+    if (channel > -1 && mReflectionMapManager.mTexture.notNull())

+    {

+        mReflectionMapManager.mTexture->unbind();

+        if (channel == 0)

+        {

+            gGL.getTexUnit(channel)->enable(LLTexUnit::TT_TEXTURE);

+        }

+    }

+}

+

+

+inline float sgn(float a)

+{

+    if (a > 0.0F) return (1.0F);

+    if (a < 0.0F) return (-1.0F);

+    return (0.0F);

+}

+

+glh::matrix4f look(const LLVector3 pos, const LLVector3 dir, const LLVector3 up)

+{

+    glh::matrix4f ret;

+

+    LLVector3 dirN;

+    LLVector3 upN;

+    LLVector3 lftN;

+

+    lftN = dir % up;

+    lftN.normVec();

+

+    upN = lftN % dir;

+    upN.normVec();

+

+    dirN = dir;

+    dirN.normVec();

+

+    ret.m[ 0] = lftN[0];

+    ret.m[ 1] = upN[0];

+    ret.m[ 2] = -dirN[0];

+    ret.m[ 3] = 0.f;

+

+    ret.m[ 4] = lftN[1];

+    ret.m[ 5] = upN[1];

+    ret.m[ 6] = -dirN[1];

+    ret.m[ 7] = 0.f;

+

+    ret.m[ 8] = lftN[2];

+    ret.m[ 9] = upN[2];

+    ret.m[10] = -dirN[2];

+    ret.m[11] = 0.f;

+

+    ret.m[12] = -(lftN*pos);

+    ret.m[13] = -(upN*pos);

+    ret.m[14] = dirN*pos;

+    ret.m[15] = 1.f;

+

+    return ret;

+}

+

+glh::matrix4f scale_translate_to_fit(const LLVector3 min, const LLVector3 max)

+{

+    glh::matrix4f ret;

+    ret.m[ 0] = 2/(max[0]-min[0]);

+    ret.m[ 4] = 0;

+    ret.m[ 8] = 0;

+    ret.m[12] = -(max[0]+min[0])/(max[0]-min[0]);

+

+    ret.m[ 1] = 0;

+    ret.m[ 5] = 2/(max[1]-min[1]);

+    ret.m[ 9] = 0;

+    ret.m[13] = -(max[1]+min[1])/(max[1]-min[1]);

+

+    ret.m[ 2] = 0;

+    ret.m[ 6] = 0;

+    ret.m[10] = 2/(max[2]-min[2]);

+    ret.m[14] = -(max[2]+min[2])/(max[2]-min[2]);

+

+    ret.m[ 3] = 0;

+    ret.m[ 7] = 0;

+    ret.m[11] = 0;

+    ret.m[15] = 1;

+

+    return ret;

+}

+

+static LLTrace::BlockTimerStatHandle FTM_SHADOW_RENDER("Render Shadows");

+static LLTrace::BlockTimerStatHandle FTM_SHADOW_ALPHA("Alpha Shadow");

+static LLTrace::BlockTimerStatHandle FTM_SHADOW_SIMPLE("Simple Shadow");

+static LLTrace::BlockTimerStatHandle FTM_SHADOW_GEOM("Shadow Geom");

+

+static LLTrace::BlockTimerStatHandle FTM_SHADOW_ALPHA_MASKED("Alpha Masked");

+static LLTrace::BlockTimerStatHandle FTM_SHADOW_ALPHA_BLEND("Alpha Blend");

+static LLTrace::BlockTimerStatHandle FTM_SHADOW_ALPHA_TREE("Alpha Tree");

+static LLTrace::BlockTimerStatHandle FTM_SHADOW_ALPHA_GRASS("Alpha Grass");

+static LLTrace::BlockTimerStatHandle FTM_SHADOW_FULLBRIGHT_ALPHA_MASKED("Fullbright Alpha Masked");

+

+void LLPipeline::renderShadow(glh::matrix4f& view, glh::matrix4f& proj, LLCamera& shadow_cam, LLCullResult& result, bool depth_clamp)

+{

+    LL_PROFILE_ZONE_SCOPED_CATEGORY_PIPELINE; //LL_RECORD_BLOCK_TIME(FTM_SHADOW_RENDER);

+    LL_PROFILE_GPU_ZONE("renderShadow");

+

+    LLPipeline::sShadowRender = true;

+

+    // disable occlusion culling during shadow render

+    U32 saved_occlusion = sUseOcclusion;

+    sUseOcclusion = 0;

+

+    // List of render pass types that use the prim volume as the shadow,

+    // ignoring textures.

+    static const U32 types[] = {

+        LLRenderPass::PASS_SIMPLE,

+        LLRenderPass::PASS_FULLBRIGHT,

+        LLRenderPass::PASS_SHINY,

+        LLRenderPass::PASS_BUMP,

+        LLRenderPass::PASS_FULLBRIGHT_SHINY,

+        LLRenderPass::PASS_MATERIAL,

+        LLRenderPass::PASS_MATERIAL_ALPHA_EMISSIVE,

+        LLRenderPass::PASS_SPECMAP,

+        LLRenderPass::PASS_SPECMAP_EMISSIVE,

+        LLRenderPass::PASS_NORMMAP,

+        LLRenderPass::PASS_NORMMAP_EMISSIVE,

+        LLRenderPass::PASS_NORMSPEC,

+        LLRenderPass::PASS_NORMSPEC_EMISSIVE

+    };

+

+    LLGLEnable cull(GL_CULL_FACE);

+

+    //enable depth clamping if available

+    LLGLEnable clamp_depth(depth_clamp ? GL_DEPTH_CLAMP : 0);

+

+    LLGLDepthTest depth_test(GL_TRUE, GL_TRUE, GL_LESS);

+

+    updateCull(shadow_cam, result);

+

+    stateSort(shadow_cam, result);

+

+    //generate shadow map

+    gGL.matrixMode(LLRender::MM_PROJECTION);

+    gGL.pushMatrix();

+    gGL.loadMatrix(proj.m);

+    gGL.matrixMode(LLRender::MM_MODELVIEW);

+    gGL.pushMatrix();

+    gGL.loadMatrix(view.m);

+

+    stop_glerror();

+    gGLLastMatrix = NULL;

+

+    gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);

+

+    stop_glerror();

+

+    struct CompareVertexBuffer

+    {

+        bool operator()(const LLDrawInfo* const& lhs, const LLDrawInfo* const& rhs)

+        {

+            return lhs->mVertexBuffer > rhs->mVertexBuffer;

+        }

+    };

+

+

+    LLVertexBuffer::unbind();

+    for (int j = 0; j < 2; ++j) // 0 -- static, 1 -- rigged

+    {

+        bool rigged = j == 1;

+        gDeferredShadowProgram.bind(rigged);

+

+        gGL.diffuseColor4f(1, 1, 1, 1);

+

+        S32 shadow_detail = gSavedSettings.getS32("RenderShadowDetail");

+

+        // if not using VSM, disable color writes

+        if (shadow_detail <= 2)

+        {

+            gGL.setColorMask(false, false);

+        }

+

+        LL_PROFILE_ZONE_NAMED_CATEGORY_PIPELINE("shadow simple"); //LL_RECORD_BLOCK_TIME(FTM_SHADOW_SIMPLE);

+        LL_PROFILE_GPU_ZONE("shadow simple");

+        gGL.getTexUnit(0)->disable();

+

+        for (U32 type : types)

+        {

+            renderObjects(type, false, false, rigged);

+        }

+

+        renderGLTFObjects(LLRenderPass::PASS_GLTF_PBR, false, rigged);

+

+        gGL.getTexUnit(0)->enable(LLTexUnit::TT_TEXTURE);

+    }

+

+    if (LLPipeline::sUseOcclusion > 1)

+    { // do occlusion culling against non-masked only to take advantage of hierarchical Z

+        doOcclusion(shadow_cam);

+    }

+

+

+    {

+        LL_PROFILE_ZONE_NAMED_CATEGORY_PIPELINE("shadow geom");

+        renderGeomShadow(shadow_cam);

+    }

+

+    {

+        LL_PROFILE_ZONE_NAMED_CATEGORY_PIPELINE("shadow alpha");

+        LL_PROFILE_GPU_ZONE("shadow alpha");

+        const S32 sun_up = LLEnvironment::instance().getIsSunUp() ? 1 : 0;

+        U32 target_width = LLRenderTarget::sCurResX;

+

+        for (int i = 0; i < 2; ++i)

+        {

+            bool rigged = i == 1;

+

+            {

+                LL_PROFILE_ZONE_NAMED_CATEGORY_PIPELINE("shadow alpha masked");

+                LL_PROFILE_GPU_ZONE("shadow alpha masked");

+                gDeferredShadowAlphaMaskProgram.bind(rigged);

+                LLGLSLShader::sCurBoundShaderPtr->uniform1i(LLShaderMgr::SUN_UP_FACTOR, sun_up);

+                LLGLSLShader::sCurBoundShaderPtr->uniform1f(LLShaderMgr::DEFERRED_SHADOW_TARGET_WIDTH, (float)target_width);

+                renderMaskedObjects(LLRenderPass::PASS_ALPHA_MASK, true, true, rigged);

+            }

+

+            {

+                LL_PROFILE_ZONE_NAMED_CATEGORY_PIPELINE("shadow alpha blend");

+                LL_PROFILE_GPU_ZONE("shadow alpha blend");

+                renderAlphaObjects(rigged);

+            }

+

+            {

+                LL_PROFILE_ZONE_NAMED_CATEGORY_PIPELINE("shadow fullbright alpha masked");

+                LL_PROFILE_GPU_ZONE("shadow alpha masked");

+                gDeferredShadowFullbrightAlphaMaskProgram.bind(rigged);

+                LLGLSLShader::sCurBoundShaderPtr->uniform1i(LLShaderMgr::SUN_UP_FACTOR, sun_up);

+                LLGLSLShader::sCurBoundShaderPtr->uniform1f(LLShaderMgr::DEFERRED_SHADOW_TARGET_WIDTH, (float)target_width);

+                renderFullbrightMaskedObjects(LLRenderPass::PASS_FULLBRIGHT_ALPHA_MASK, true, true, rigged);

+            }

+

+            {

+                LL_PROFILE_ZONE_NAMED_CATEGORY_PIPELINE("shadow alpha grass");

+                LL_PROFILE_GPU_ZONE("shadow alpha grass");

+                gDeferredTreeShadowProgram.bind(rigged);

+                LLGLSLShader::sCurBoundShaderPtr->setMinimumAlpha(ALPHA_BLEND_CUTOFF);

+

+                if (i == 0)

+                {

+                    renderObjects(LLRenderPass::PASS_GRASS, true);

+                }

+

+                {

+                    LL_PROFILE_ZONE_NAMED_CATEGORY_PIPELINE("shadow alpha material");

+                    LL_PROFILE_GPU_ZONE("shadow alpha material");

+                    renderMaskedObjects(LLRenderPass::PASS_NORMSPEC_MASK, true, false, rigged);

+                    renderMaskedObjects(LLRenderPass::PASS_MATERIAL_ALPHA_MASK, true, false, rigged);

+                    renderMaskedObjects(LLRenderPass::PASS_SPECMAP_MASK, true, false, rigged);

+                    renderMaskedObjects(LLRenderPass::PASS_NORMMAP_MASK, true, false, rigged);

+                }

+            }

+        }

+

+        for (int i = 0; i < 2; ++i)

+        {

+            bool rigged = i == 1;

+            gDeferredShadowGLTFAlphaMaskProgram.bind(rigged);

+            LLGLSLShader::sCurBoundShaderPtr->uniform1i(LLShaderMgr::SUN_UP_FACTOR, sun_up);

+            LLGLSLShader::sCurBoundShaderPtr->uniform1f(LLShaderMgr::DEFERRED_SHADOW_TARGET_WIDTH, (float)target_width);

+

+            gGL.loadMatrix(gGLModelView);

+            gGLLastMatrix = NULL;

+

+            U32 type = LLRenderPass::PASS_GLTF_PBR_ALPHA_MASK;

+

+            if (rigged)

+            {

+                mAlphaMaskPool->pushRiggedGLTFBatches(type + 1);

+            }

+            else

+            {

+                mAlphaMaskPool->pushGLTFBatches(type);

+            }

+

+            gGL.loadMatrix(gGLModelView);

+            gGLLastMatrix = NULL;

+        }

+    }

+

+    gDeferredShadowCubeProgram.bind();

+    gGLLastMatrix = NULL;

+    gGL.loadMatrix(gGLModelView);

+

+    gGL.setColorMask(true, true);

+

+    gGL.matrixMode(LLRender::MM_PROJECTION);

+    gGL.popMatrix();

+    gGL.matrixMode(LLRender::MM_MODELVIEW);

+    gGL.popMatrix();

+    gGLLastMatrix = NULL;

+

+    // reset occlusion culling flag

+    sUseOcclusion = saved_occlusion;

+    LLPipeline::sShadowRender = false;

+}

+

+bool LLPipeline::getVisiblePointCloud(LLCamera& camera, LLVector3& min, LLVector3& max, std::vector<LLVector3>& fp, LLVector3 light_dir)

+{

+    LL_PROFILE_ZONE_SCOPED_CATEGORY_PIPELINE;

+    //get point cloud of intersection of frust and min, max

+

+    if (getVisibleExtents(camera, min, max))

+    {

+        return false;

+    }

+

+    //get set of planes on bounding box

+    LLPlane bp[] = {

+        LLPlane(min, LLVector3(-1,0,0)),

+        LLPlane(min, LLVector3(0,-1,0)),

+        LLPlane(min, LLVector3(0,0,-1)),

+        LLPlane(max, LLVector3(1,0,0)),

+        LLPlane(max, LLVector3(0,1,0)),

+        LLPlane(max, LLVector3(0,0,1))};

+

+    //potential points

+    std::vector<LLVector3> pp;

+

+    //add corners of AABB

+    pp.push_back(LLVector3(min.mV[0], min.mV[1], min.mV[2]));

+    pp.push_back(LLVector3(max.mV[0], min.mV[1], min.mV[2]));

+    pp.push_back(LLVector3(min.mV[0], max.mV[1], min.mV[2]));

+    pp.push_back(LLVector3(max.mV[0], max.mV[1], min.mV[2]));

+    pp.push_back(LLVector3(min.mV[0], min.mV[1], max.mV[2]));

+    pp.push_back(LLVector3(max.mV[0], min.mV[1], max.mV[2]));

+    pp.push_back(LLVector3(min.mV[0], max.mV[1], max.mV[2]));

+    pp.push_back(LLVector3(max.mV[0], max.mV[1], max.mV[2]));

+

+    //add corners of camera frustum

+    for (U32 i = 0; i < LLCamera::AGENT_FRUSTRUM_NUM; i++)

+    {

+        pp.push_back(camera.mAgentFrustum[i]);

+    }

+

+

+    //bounding box line segments

+    U32 bs[] =

+            {

+        0,1,

+        1,3,

+        3,2,

+        2,0,

+

+        4,5,

+        5,7,

+        7,6,

+        6,4,

+

+        0,4,

+        1,5,

+        3,7,

+        2,6

+    };

+

+    for (U32 i = 0; i < 12; i++)

+    { //for each line segment in bounding box

+        for (U32 j = 0; j < LLCamera::AGENT_PLANE_NO_USER_CLIP_NUM; j++)

+        { //for each plane in camera frustum

+            const LLPlane& cp = camera.getAgentPlane(j);

+            const LLVector3& v1 = pp[bs[i*2+0]];

+            const LLVector3& v2 = pp[bs[i*2+1]];

+            LLVector3 n;

+            cp.getVector3(n);

+

+            LLVector3 line = v1-v2;

+

+            F32 d1 = line*n;

+            F32 d2 = -cp.dist(v2);

+

+            F32 t = d2/d1;

+

+            if (t > 0.f && t < 1.f)

+            {

+                LLVector3 intersect = v2+line*t;

+                pp.push_back(intersect);

+            }

+        }

+    }

+

+    //camera frustum line segments

+    const U32 fs[] =

+    {

+        0,1,

+        1,2,

+        2,3,

+        3,0,

+

+        4,5,

+        5,6,

+        6,7,

+        7,4,

+

+        0,4,

+        1,5,

+        2,6,

+        3,7

+    };

+

+    for (U32 i = 0; i < 12; i++)

+    {

+        for (U32 j = 0; j < 6; ++j)

+        {

+            const LLVector3& v1 = pp[fs[i*2+0]+8];

+            const LLVector3& v2 = pp[fs[i*2+1]+8];

+            const LLPlane& cp = bp[j];

+            LLVector3 n;

+            cp.getVector3(n);

+

+            LLVector3 line = v1-v2;

+

+            F32 d1 = line*n;

+            F32 d2 = -cp.dist(v2);

+

+            F32 t = d2/d1;

+

+            if (t > 0.f && t < 1.f)

+            {

+                LLVector3 intersect = v2+line*t;

+                pp.push_back(intersect);

+            }

+        }

+    }

+

+    LLVector3 ext[] = { min-LLVector3(0.05f,0.05f,0.05f),

+        max+LLVector3(0.05f,0.05f,0.05f) };

+

+    for (U32 i = 0; i < pp.size(); ++i)

+    {

+        bool found = true;

+

+        const F32* p = pp[i].mV;

+

+        for (U32 j = 0; j < 3; ++j)

+        {

+            if (p[j] < ext[0].mV[j] ||

+                p[j] > ext[1].mV[j])

+            {

+                found = false;

+                break;

+            }

+        }

+

+        for (U32 j = 0; j < LLCamera::AGENT_PLANE_NO_USER_CLIP_NUM; ++j)

+        {

+            const LLPlane& cp = camera.getAgentPlane(j);

+            F32 dist = cp.dist(pp[i]);

+            if (dist > 0.05f) //point is above some plane, not contained

+            {

+                found = false;

+                break;

+            }

+        }

+

+        if (found)

+        {

+            fp.push_back(pp[i]);

+        }

+    }

+

+    if (fp.empty())

+    {

+        return false;

+    }

+

+    return true;

+}

+

+void LLPipeline::renderHighlight(const LLViewerObject* obj, F32 fade)

+{

+    if (obj && obj->getVolume())

+    {

+        for (LLViewerObject::child_list_t::const_iterator iter = obj->getChildren().begin(); iter != obj->getChildren().end(); ++iter)

+        {

+            renderHighlight(*iter, fade);

+        }

+

+        LLDrawable* drawable = obj->mDrawable;

+        if (drawable)

+        {

+            for (S32 i = 0; i < drawable->getNumFaces(); ++i)

+            {

+                LLFace* face = drawable->getFace(i);

+                if (face)

+                {

+                    face->renderSelected(LLViewerTexture::sNullImagep, LLColor4(1,1,1,fade));

+                }

+            }

+        }

+    }

+}

+

+

+LLRenderTarget* LLPipeline::getSunShadowTarget(U32 i)

+{

+    llassert(i < 4);

+    return &mRT->shadow[i];

+}

+

+LLRenderTarget* LLPipeline::getSpotShadowTarget(U32 i)

+{

+    llassert(i < 2);

+    return &mSpotShadow[i];

+}

+

+static LLTrace::BlockTimerStatHandle FTM_GEN_SUN_SHADOW("Gen Sun Shadow");

+static LLTrace::BlockTimerStatHandle FTM_GEN_SUN_SHADOW_SPOT_RENDER("Spot Shadow Render");

+

+// helper class for disabling occlusion culling for the current stack frame

+class LLDisableOcclusionCulling

+{

+public:

+    S32 mUseOcclusion;

+

+    LLDisableOcclusionCulling()

+    {

+        mUseOcclusion = LLPipeline::sUseOcclusion;

+        LLPipeline::sUseOcclusion = 0;

+    }

+

+    ~LLDisableOcclusionCulling()

+    {

+        LLPipeline::sUseOcclusion = mUseOcclusion;

+    }

+};

+

+void LLPipeline::generateSunShadow(LLCamera& camera)

+{

+    if (!sRenderDeferred || RenderShadowDetail <= 0)

+    {

+        return;

+    }

+

+    LL_PROFILE_ZONE_SCOPED_CATEGORY_PIPELINE; //LL_RECORD_BLOCK_TIME(FTM_GEN_SUN_SHADOW);

+    LL_PROFILE_GPU_ZONE("generateSunShadow");

+

+    LLDisableOcclusionCulling no_occlusion;

+

+    bool skip_avatar_update = false;

+    if (!isAgentAvatarValid() || gAgentCamera.getCameraAnimating() || gAgentCamera.getCameraMode() != CAMERA_MODE_MOUSELOOK || !LLVOAvatar::sVisibleInFirstPerson)

+    {

+        skip_avatar_update = true;

+    }

+

+    if (!skip_avatar_update)

+    {

+        gAgentAvatarp->updateAttachmentVisibility(CAMERA_MODE_THIRD_PERSON);

+    }

+

+    F64 last_modelview[16];

+    F64 last_projection[16];

+    for (U32 i = 0; i < 16; i++)

+    { //store last_modelview of world camera

+        last_modelview[i] = gGLLastModelView[i];

+        last_projection[i] = gGLLastProjection[i];

+    }

+

+    pushRenderTypeMask();

+    andRenderTypeMask(LLPipeline::RENDER_TYPE_SIMPLE,

+                    LLPipeline::RENDER_TYPE_ALPHA,

+                    LLPipeline::RENDER_TYPE_ALPHA_PRE_WATER,

+                    LLPipeline::RENDER_TYPE_ALPHA_POST_WATER,

+                    LLPipeline::RENDER_TYPE_GRASS,

+                    LLPipeline::RENDER_TYPE_GLTF_PBR,

+                    LLPipeline::RENDER_TYPE_FULLBRIGHT,

+                    LLPipeline::RENDER_TYPE_BUMP,

+                    LLPipeline::RENDER_TYPE_VOLUME,

+                    LLPipeline::RENDER_TYPE_AVATAR,

+                    LLPipeline::RENDER_TYPE_CONTROL_AV,

+                    LLPipeline::RENDER_TYPE_TREE,

+                    LLPipeline::RENDER_TYPE_TERRAIN,

+                    LLPipeline::RENDER_TYPE_WATER,

+                    LLPipeline::RENDER_TYPE_VOIDWATER,

+                    LLPipeline::RENDER_TYPE_PASS_ALPHA,

+                    LLPipeline::RENDER_TYPE_PASS_ALPHA_MASK,

+                    LLPipeline::RENDER_TYPE_PASS_FULLBRIGHT_ALPHA_MASK,

+                    LLPipeline::RENDER_TYPE_PASS_GRASS,

+                    LLPipeline::RENDER_TYPE_PASS_SIMPLE,

+                    LLPipeline::RENDER_TYPE_PASS_BUMP,

+                    LLPipeline::RENDER_TYPE_PASS_FULLBRIGHT,

+                    LLPipeline::RENDER_TYPE_PASS_SHINY,

+                    LLPipeline::RENDER_TYPE_PASS_FULLBRIGHT_SHINY,

+                    LLPipeline::RENDER_TYPE_PASS_MATERIAL,

+                    LLPipeline::RENDER_TYPE_PASS_MATERIAL_ALPHA,

+                    LLPipeline::RENDER_TYPE_PASS_MATERIAL_ALPHA_MASK,

+                    LLPipeline::RENDER_TYPE_PASS_MATERIAL_ALPHA_EMISSIVE,

+                    LLPipeline::RENDER_TYPE_PASS_SPECMAP,

+                    LLPipeline::RENDER_TYPE_PASS_SPECMAP_BLEND,

+                    LLPipeline::RENDER_TYPE_PASS_SPECMAP_MASK,

+                    LLPipeline::RENDER_TYPE_PASS_SPECMAP_EMISSIVE,

+                    LLPipeline::RENDER_TYPE_PASS_NORMMAP,

+                    LLPipeline::RENDER_TYPE_PASS_NORMMAP_BLEND,

+                    LLPipeline::RENDER_TYPE_PASS_NORMMAP_MASK,

+                    LLPipeline::RENDER_TYPE_PASS_NORMMAP_EMISSIVE,

+                    LLPipeline::RENDER_TYPE_PASS_NORMSPEC,

+                    LLPipeline::RENDER_TYPE_PASS_NORMSPEC_BLEND,

+                    LLPipeline::RENDER_TYPE_PASS_NORMSPEC_MASK,

+                    LLPipeline::RENDER_TYPE_PASS_NORMSPEC_EMISSIVE,

+                    LLPipeline::RENDER_TYPE_PASS_ALPHA_MASK_RIGGED,

+                    LLPipeline::RENDER_TYPE_PASS_FULLBRIGHT_ALPHA_MASK_RIGGED,

+                    LLPipeline::RENDER_TYPE_PASS_SIMPLE_RIGGED,

+                    LLPipeline::RENDER_TYPE_PASS_BUMP_RIGGED,

+                    LLPipeline::RENDER_TYPE_PASS_FULLBRIGHT_RIGGED,

+                    LLPipeline::RENDER_TYPE_PASS_SHINY_RIGGED,

+                    LLPipeline::RENDER_TYPE_PASS_FULLBRIGHT_SHINY_RIGGED,

+                    LLPipeline::RENDER_TYPE_PASS_MATERIAL_RIGGED,

+                    LLPipeline::RENDER_TYPE_PASS_MATERIAL_ALPHA_RIGGED,

+                    LLPipeline::RENDER_TYPE_PASS_MATERIAL_ALPHA_MASK_RIGGED,

+                    LLPipeline::RENDER_TYPE_PASS_MATERIAL_ALPHA_EMISSIVE_RIGGED,

+                    LLPipeline::RENDER_TYPE_PASS_SPECMAP_RIGGED,

+                    LLPipeline::RENDER_TYPE_PASS_SPECMAP_BLEND_RIGGED,

+                    LLPipeline::RENDER_TYPE_PASS_SPECMAP_MASK_RIGGED,

+                    LLPipeline::RENDER_TYPE_PASS_SPECMAP_EMISSIVE_RIGGED,

+                    LLPipeline::RENDER_TYPE_PASS_NORMMAP_RIGGED,

+                    LLPipeline::RENDER_TYPE_PASS_NORMMAP_BLEND_RIGGED,

+                    LLPipeline::RENDER_TYPE_PASS_NORMMAP_MASK_RIGGED,

+                    LLPipeline::RENDER_TYPE_PASS_NORMMAP_EMISSIVE_RIGGED,

+                    LLPipeline::RENDER_TYPE_PASS_NORMSPEC_RIGGED,

+                    LLPipeline::RENDER_TYPE_PASS_NORMSPEC_BLEND_RIGGED,

+                    LLPipeline::RENDER_TYPE_PASS_NORMSPEC_MASK_RIGGED,

+                    LLPipeline::RENDER_TYPE_PASS_NORMSPEC_EMISSIVE_RIGGED,

+                    LLPipeline::RENDER_TYPE_PASS_GLTF_PBR,

+                    LLPipeline::RENDER_TYPE_PASS_GLTF_PBR_RIGGED,

+                    LLPipeline::RENDER_TYPE_PASS_GLTF_PBR_ALPHA_MASK,

+                    LLPipeline::RENDER_TYPE_PASS_GLTF_PBR_ALPHA_MASK_RIGGED,

+                    END_RENDER_TYPES);

+

+    gGL.setColorMask(false, false);

+

+    LLEnvironment& environment = LLEnvironment::instance();

+

+    //get sun view matrix

+

+    //store current projection/modelview matrix

+    glh::matrix4f saved_proj = get_current_projection();

+    glh::matrix4f saved_view = get_current_modelview();

+    glh::matrix4f inv_view = saved_view.inverse();

+

+    glh::matrix4f view[6];

+    glh::matrix4f proj[6];

+

+    LLVector3 caster_dir(environment.getIsSunUp() ? mSunDir : mMoonDir);

+

+    //put together a universal "near clip" plane for shadow frusta

+    LLPlane shadow_near_clip;

+    {

+        LLVector3 p = camera.getOrigin(); // gAgent.getPositionAgent();

+        p += caster_dir * RenderFarClip*2.f;

+        shadow_near_clip.setVec(p, caster_dir);

+    }

+

+    LLVector3 lightDir = -caster_dir;

+    lightDir.normVec();

+

+    glh::vec3f light_dir(lightDir.mV);

+

+    //create light space camera matrix

+

+    LLVector3 at = lightDir;

+

+    LLVector3 up = camera.getAtAxis();

+

+    if (fabsf(up*lightDir) > 0.75f)

+    {

+        up = camera.getUpAxis();

+    }

+

+    up.normVec();

+    at.normVec();

+

+

+    LLCamera main_camera = camera;

+

+    F32 near_clip = 0.f;

+    {

+        //get visible point cloud

+        std::vector<LLVector3> fp;

+

+        main_camera.calcAgentFrustumPlanes(main_camera.mAgentFrustum);

+

+        LLVector3 min,max;

+        getVisiblePointCloud(main_camera,min,max,fp);

+

+        if (fp.empty())

+        {

+            if (!hasRenderDebugMask(RENDER_DEBUG_SHADOW_FRUSTA) && !gCubeSnapshot)

+            {

+                mShadowCamera[0] = main_camera;

+                mShadowExtents[0][0] = min;

+                mShadowExtents[0][1] = max;

+

+                mShadowFrustPoints[0].clear();

+                mShadowFrustPoints[1].clear();

+                mShadowFrustPoints[2].clear();

+                mShadowFrustPoints[3].clear();

+            }

+            popRenderTypeMask();

+

+            if (!skip_avatar_update)

+            {

+                gAgentAvatarp->updateAttachmentVisibility(gAgentCamera.getCameraMode());

+            }

+

+            return;

+        }

+

+        //get good split distances for frustum

+        for (U32 i = 0; i < fp.size(); ++i)

+        {

+            glh::vec3f v(fp[i].mV);

+            saved_view.mult_matrix_vec(v);

+            fp[i].setVec(v.v);

+        }

+

+        min = fp[0];

+        max = fp[0];

+

+        //get camera space bounding box

+        for (U32 i = 1; i < fp.size(); ++i)

+        {

+            update_min_max(min, max, fp[i]);

+        }

+

+        near_clip    = llclamp(-max.mV[2], 0.01f, 4.0f);

+        F32 far_clip = llclamp(-min.mV[2]*2.f, 16.0f, 512.0f);

+

+        //far_clip = llmin(far_clip, 128.f);

+        far_clip = llmin(far_clip, camera.getFar());

+

+        F32 range = far_clip-near_clip;

+

+        LLVector3 split_exp = RenderShadowSplitExponent;

+

+        F32 da = 1.f-llmax( fabsf(lightDir*up), fabsf(lightDir*camera.getLeftAxis()) );

+

+        da = powf(da, split_exp.mV[2]);

+

+        F32 sxp = split_exp.mV[1] + (split_exp.mV[0]-split_exp.mV[1])*da;

+

+        for (U32 i = 0; i < 4; ++i)

+        {

+            F32 x = (F32)(i+1)/4.f;

+            x = powf(x, sxp);

+            mSunClipPlanes.mV[i] = near_clip+range*x;

+        }

+

+        mSunClipPlanes.mV[0] *= 1.25f; //bump back first split for transition padding

+    }

+

+    if (gCubeSnapshot)

+    { // stretch clip planes for reflection probe renders to reduce number of shadow passes

+        mSunClipPlanes.mV[1] = mSunClipPlanes.mV[2];

+        mSunClipPlanes.mV[2] = mSunClipPlanes.mV[3];

+        mSunClipPlanes.mV[3] *= 1.5f;

+    }

+

+

+    // convenience array of 4 near clip plane distances

+    F32 dist[] = { near_clip, mSunClipPlanes.mV[0], mSunClipPlanes.mV[1], mSunClipPlanes.mV[2], mSunClipPlanes.mV[3] };

+

+    if (mSunDiffuse == LLColor4::black)

+    { //sun diffuse is totally black shadows don't matter

+        skipRenderingShadows();

+    }

+    else

+    {

+        for (S32 j = 0; j < (gCubeSnapshot ? 2 : 4); j++)

+        {

+            if (!hasRenderDebugMask(RENDER_DEBUG_SHADOW_FRUSTA) && !gCubeSnapshot)

+            {

+                mShadowFrustPoints[j].clear();

+            }

+

+            LLViewerCamera::sCurCameraID = (LLViewerCamera::eCameraID)(LLViewerCamera::CAMERA_SUN_SHADOW0+j);

+

+            //restore render matrices

+            set_current_modelview(saved_view);

+            set_current_projection(saved_proj);

+

+            LLVector3 eye = camera.getOrigin();

+            llassert(eye.isFinite());

+

+            //camera used for shadow cull/render

+            LLCamera shadow_cam;

+

+            //create world space camera frustum for this split

+            shadow_cam = camera;

+            shadow_cam.setFar(16.f);

+

+            LLViewerCamera::updateFrustumPlanes(shadow_cam, false, false, true);

+

+            LLVector3* frust = shadow_cam.mAgentFrustum;

+

+            LLVector3 pn = shadow_cam.getAtAxis();

+

+            LLVector3 min, max;

+

+            //construct 8 corners of split frustum section

+            for (U32 i = 0; i < 4; i++)

+            {

+                LLVector3 delta = frust[i+4]-eye;

+                delta += (frust[i+4]-frust[(i+2)%4+4])*0.05f;

+                delta.normVec();

+                F32 dp = delta*pn;

+                frust[i] = eye + (delta*dist[j]*0.75f)/dp;

+                frust[i+4] = eye + (delta*dist[j+1]*1.25f)/dp;

+            }

+

+            shadow_cam.calcAgentFrustumPlanes(frust);

+            shadow_cam.mFrustumCornerDist = 0.f;

+

+            if (!gPipeline.hasRenderDebugMask(LLPipeline::RENDER_DEBUG_SHADOW_FRUSTA) && !gCubeSnapshot)

+            {

+                mShadowCamera[j] = shadow_cam;

+            }

+

+            std::vector<LLVector3> fp;

+

+            if (!gPipeline.getVisiblePointCloud(shadow_cam, min, max, fp, lightDir)

+                || j > RenderShadowSplits)

+            {

+                //no possible shadow receivers

+                if (!gPipeline.hasRenderDebugMask(LLPipeline::RENDER_DEBUG_SHADOW_FRUSTA) && !gCubeSnapshot)

+                {

+                    mShadowExtents[j][0] = LLVector3();

+                    mShadowExtents[j][1] = LLVector3();

+                    mShadowCamera[j+4] = shadow_cam;

+                }

+

+                mRT->shadow[j].bindTarget();

+                {

+                    LLGLDepthTest depth(GL_TRUE);

+                    mRT->shadow[j].clear();

+                }

+                mRT->shadow[j].flush();

+

+                mShadowError.mV[j] = 0.f;

+                mShadowFOV.mV[j] = 0.f;

+

+                continue;

+            }

+

+            if (!gPipeline.hasRenderDebugMask(LLPipeline::RENDER_DEBUG_SHADOW_FRUSTA) && !gCubeSnapshot)

+            {

+                mShadowExtents[j][0] = min;

+                mShadowExtents[j][1] = max;

+                mShadowFrustPoints[j] = fp;

+            }

+

+

+            //find a good origin for shadow projection

+            LLVector3 origin;

+

+            //get a temporary view projection

+            view[j] = look(camera.getOrigin(), lightDir, -up);

+

+            std::vector<LLVector3> wpf;

+

+            for (U32 i = 0; i < fp.size(); i++)

+            {

+                glh::vec3f p = glh::vec3f(fp[i].mV);

+                view[j].mult_matrix_vec(p);

+                wpf.push_back(LLVector3(p.v));

+            }

+

+            min = wpf[0];

+            max = wpf[0];

+

+            for (U32 i = 0; i < fp.size(); ++i)

+            { //get AABB in camera space

+                update_min_max(min, max, wpf[i]);

+            }

+

+            // Construct a perspective transform with perspective along y-axis that contains

+            // points in wpf

+            //Known:

+            // - far clip plane

+            // - near clip plane

+            // - points in frustum

+            //Find:

+            // - origin

+

+            //get some "interesting" points of reference

+            LLVector3 center = (min+max)*0.5f;

+            LLVector3 size = (max-min)*0.5f;

+            LLVector3 near_center = center;

+            near_center.mV[1] += size.mV[1]*2.f;

+

+

+            //put all points in wpf in quadrant 0, reletive to center of min/max

+            //get the best fit line using least squares

+            F32 bfm = 0.f;

+            F32 bfb = 0.f;

+

+            for (U32 i = 0; i < wpf.size(); ++i)

+            {

+                wpf[i] -= center;

+                wpf[i].mV[0] = fabsf(wpf[i].mV[0]);

+                wpf[i].mV[2] = fabsf(wpf[i].mV[2]);

+            }

+

+            if (!wpf.empty())

+            {

+                F32 sx = 0.f;

+                F32 sx2 = 0.f;

+                F32 sy = 0.f;

+                F32 sxy = 0.f;

+

+                for (U32 i = 0; i < wpf.size(); ++i)

+                {

+                    sx += wpf[i].mV[0];

+                    sx2 += wpf[i].mV[0]*wpf[i].mV[0];

+                    sy += wpf[i].mV[1];

+                    sxy += wpf[i].mV[0]*wpf[i].mV[1];

+                }

+

+                bfm = (sy*sx-wpf.size()*sxy)/(sx*sx-wpf.size()*sx2);

+                bfb = (sx*sxy-sy*sx2)/(sx*sx-bfm*sx2);

+            }

+

+            {

+                // best fit line is y=bfm*x+bfb

+

+                //find point that is furthest to the right of line

+                F32 off_x = -1.f;

+                LLVector3 lp;

+

+                for (U32 i = 0; i < wpf.size(); ++i)

+                {

+                    //y = bfm*x+bfb

+                    //x = (y-bfb)/bfm

+                    F32 lx = (wpf[i].mV[1]-bfb)/bfm;

+

+                    lx = wpf[i].mV[0]-lx;

+

+                    if (off_x < lx)

+                    {

+                        off_x = lx;

+                        lp = wpf[i];

+                    }

+                }

+

+                //get line with slope bfm through lp

+                // bfb = y-bfm*x

+                bfb = lp.mV[1]-bfm*lp.mV[0];

+

+                //calculate error

+                mShadowError.mV[j] = 0.f;

+

+                for (U32 i = 0; i < wpf.size(); ++i)

+                {

+                    F32 lx = (wpf[i].mV[1]-bfb)/bfm;

+                    mShadowError.mV[j] += fabsf(wpf[i].mV[0]-lx);

+                }

+

+                mShadowError.mV[j] /= wpf.size();

+                mShadowError.mV[j] /= size.mV[0];

+

+                if (mShadowError.mV[j] > RenderShadowErrorCutoff)

+                { //just use ortho projection

+                    mShadowFOV.mV[j] = -1.f;

+                    origin.clearVec();

+                    proj[j] = gl_ortho(min.mV[0], max.mV[0],

+                                        min.mV[1], max.mV[1],

+                                        -max.mV[2], -min.mV[2]);

+                }

+                else

+                {

+                    //origin is where line x = 0;

+                    origin.setVec(0,bfb,0);

+

+                    F32 fovz = 1.f;

+                    F32 fovx = 1.f;

+

+                    LLVector3 zp;

+                    LLVector3 xp;

+

+                    for (U32 i = 0; i < wpf.size(); ++i)

+                    {

+                        LLVector3 atz = wpf[i]-origin;

+                        atz.mV[0] = 0.f;

+                        atz.normVec();

+                        if (fovz > -atz.mV[1])

+                        {

+                            zp = wpf[i];

+                            fovz = -atz.mV[1];

+                        }

+

+                        LLVector3 atx = wpf[i]-origin;

+                        atx.mV[2] = 0.f;

+                        atx.normVec();

+                        if (fovx > -atx.mV[1])

+                        {

+                            fovx = -atx.mV[1];

+                            xp = wpf[i];

+                        }

+                    }

+

+                    fovx = acos(fovx);

+                    fovz = acos(fovz);

+

+                    F32 cutoff = llmin((F32) RenderShadowFOVCutoff, 1.4f);

+

+                    mShadowFOV.mV[j] = fovx;

+

+                    if (fovx < cutoff && fovz > cutoff)

+                    {

+                        //x is a good fit, but z is too big, move away from zp enough so that fovz matches cutoff

+                        F32 d = zp.mV[2]/tan(cutoff);

+                        F32 ny = zp.mV[1] + fabsf(d);

+

+                        origin.mV[1] = ny;

+

+                        fovz = 1.f;

+                        fovx = 1.f;

+

+                        for (U32 i = 0; i < wpf.size(); ++i)

+                        {

+                            LLVector3 atz = wpf[i]-origin;

+                            atz.mV[0] = 0.f;

+                            atz.normVec();

+                            fovz = llmin(fovz, -atz.mV[1]);

+

+                            LLVector3 atx = wpf[i]-origin;

+                            atx.mV[2] = 0.f;

+                            atx.normVec();

+                            fovx = llmin(fovx, -atx.mV[1]);

+                        }

+

+                        fovx = acos(fovx);

+                        fovz = acos(fovz);

+

+                        mShadowFOV.mV[j] = cutoff;

+                    }

+

+

+                    origin += center;

+

+                    F32 ynear = -(max.mV[1]-origin.mV[1]);

+                    F32 yfar = -(min.mV[1]-origin.mV[1]);

+

+                    if (ynear < 0.1f) //keep a sensible near clip plane

+                    {

+                        F32 diff = 0.1f-ynear;

+                        origin.mV[1] += diff;

+                        ynear += diff;

+                        yfar += diff;

+                    }

+

+                    if (fovx > cutoff)

+                    { //just use ortho projection

+                        origin.clearVec();

+                        mShadowError.mV[j] = -1.f;

+                        proj[j] = gl_ortho(min.mV[0], max.mV[0],

+                                min.mV[1], max.mV[1],

+                                -max.mV[2], -min.mV[2]);

+                    }

+                    else

+                    {

+                        //get perspective projection

+                        view[j] = view[j].inverse();

+                        //llassert(origin.isFinite());

+

+                        glh::vec3f origin_agent(origin.mV);

+

+                        //translate view to origin

+                        view[j].mult_matrix_vec(origin_agent);

+

+                        eye = LLVector3(origin_agent.v);

+                        //llassert(eye.isFinite());

+                        if (!hasRenderDebugMask(LLPipeline::RENDER_DEBUG_SHADOW_FRUSTA) && !gCubeSnapshot)

+                        {

+                            mShadowFrustOrigin[j] = eye;

+                        }

+

+                        view[j] = look(LLVector3(origin_agent.v), lightDir, -up);

+

+                        F32 fx = 1.f/tanf(fovx);

+                        F32 fz = 1.f/tanf(fovz);

+

+                        proj[j] = glh::matrix4f(-fx, 0, 0, 0,

+                                                0, (yfar+ynear)/(ynear-yfar), 0, (2.f*yfar*ynear)/(ynear-yfar),

+                                                0, 0, -fz, 0,

+                                                0, -1.f, 0, 0);

+                    }

+                }

+            }

+

+            //shadow_cam.setFar(128.f);

+            shadow_cam.setOriginAndLookAt(eye, up, center);

+

+            shadow_cam.setOrigin(0,0,0);

+

+            set_current_modelview(view[j]);

+            set_current_projection(proj[j]);

+

+            LLViewerCamera::updateFrustumPlanes(shadow_cam, false, false, true);

+

+            //shadow_cam.ignoreAgentFrustumPlane(LLCamera::AGENT_PLANE_NEAR);

+            shadow_cam.getAgentPlane(LLCamera::AGENT_PLANE_NEAR).set(shadow_near_clip);

+

+            //translate and scale to from [-1, 1] to [0, 1]

+            glh::matrix4f trans(0.5f, 0.f, 0.f, 0.5f,

+                            0.f, 0.5f, 0.f, 0.5f,

+                            0.f, 0.f, 0.5f, 0.5f,

+                            0.f, 0.f, 0.f, 1.f);

+

+            set_current_modelview(view[j]);

+            set_current_projection(proj[j]);

+

+            for (U32 i = 0; i < 16; i++)

+            {

+                gGLLastModelView[i] = mShadowModelview[j].m[i];

+                gGLLastProjection[i] = mShadowProjection[j].m[i];

+            }

+

+            mShadowModelview[j] = view[j];

+            mShadowProjection[j] = proj[j];

+            mSunShadowMatrix[j] = trans*proj[j]*view[j]*inv_view;

+

+            stop_glerror();

+

+            mRT->shadow[j].bindTarget();

+            mRT->shadow[j].getViewport(gGLViewport);

+            mRT->shadow[j].clear();

+

+            {

+                static LLCullResult result[4];

+                renderShadow(view[j], proj[j], shadow_cam, result[j], true);

+            }

+

+            mRT->shadow[j].flush();

+

+            if (!gPipeline.hasRenderDebugMask(LLPipeline::RENDER_DEBUG_SHADOW_FRUSTA) && !gCubeSnapshot)

+            {

+                mShadowCamera[j+4] = shadow_cam;

+            }

+        }

+    }

+

+    //hack to disable projector shadows

+    bool gen_shadow = RenderShadowDetail > 1;

+

+    if (gen_shadow)

+    {

+        if (!gCubeSnapshot) //skip updating spot shadow maps during cubemap updates

+        {

+            LLTrace::CountStatHandle<>* velocity_stat = LLViewerCamera::getVelocityStat();

+            F32 fade_amt = gFrameIntervalSeconds.value()

+                * llmax(LLTrace::get_frame_recording().getLastRecording().getSum(*velocity_stat) / LLTrace::get_frame_recording().getLastRecording().getDuration().value(), 1.0);

+

+            // should never happen

+            llassert(mTargetShadowSpotLight[0] != mTargetShadowSpotLight[1] || mTargetShadowSpotLight[0].isNull());

+

+            //update shadow targets

+            for (U32 i = 0; i < 2; i++)

+            { //for each current shadow

+                LLViewerCamera::sCurCameraID = (LLViewerCamera::eCameraID)(LLViewerCamera::CAMERA_SPOT_SHADOW0 + i);

+

+                if (mShadowSpotLight[i].notNull() &&

+                    (mShadowSpotLight[i] == mTargetShadowSpotLight[0] ||

+                        mShadowSpotLight[i] == mTargetShadowSpotLight[1]))

+                { //keep this spotlight

+                    mSpotLightFade[i] = llmin(mSpotLightFade[i] + fade_amt, 1.f);

+                }

+                else

+                { //fade out this light

+                    mSpotLightFade[i] = llmax(mSpotLightFade[i] - fade_amt, 0.f);

+

+                    if (mSpotLightFade[i] == 0.f || mShadowSpotLight[i].isNull())

+                    { //faded out, grab one of the pending spots (whichever one isn't already taken)

+                        if (mTargetShadowSpotLight[0] != mShadowSpotLight[(i + 1) % 2])

+                        {

+                            mShadowSpotLight[i] = mTargetShadowSpotLight[0];

+                        }

+                        else

+                        {

+                            mShadowSpotLight[i] = mTargetShadowSpotLight[1];

+                        }

+                    }

+                }

+            }

+        }

+

+        // this should never happen

+        llassert(mShadowSpotLight[0] != mShadowSpotLight[1] || mShadowSpotLight[0].isNull());

+

+        for (S32 i = 0; i < 2; i++)

+        {

+            set_current_modelview(saved_view);

+            set_current_projection(saved_proj);

+

+            if (mShadowSpotLight[i].isNull())

+            {

+                continue;

+            }

+

+            LLVOVolume* volume = mShadowSpotLight[i]->getVOVolume();

+

+            if (!volume)

+            {

+                mShadowSpotLight[i] = NULL;

+                continue;

+            }

+

+            LLDrawable* drawable = mShadowSpotLight[i];

+

+            LLVector3 params = volume->getSpotLightParams();

+            F32 fov = params.mV[0];

+

+            //get agent->light space matrix (modelview)

+            LLVector3 center = drawable->getPositionAgent();

+            LLQuaternion quat = volume->getRenderRotation();

+

+            //get near clip plane

+            LLVector3 scale = volume->getScale();

+            LLVector3 at_axis(0, 0, -scale.mV[2] * 0.5f);

+            at_axis *= quat;

+

+            LLVector3 np = center + at_axis;

+            at_axis.normVec();

+

+            //get origin that has given fov for plane np, at_axis, and given scale

+            F32 dist = (scale.mV[1] * 0.5f) / tanf(fov * 0.5f);

+

+            LLVector3 origin = np - at_axis * dist;

+

+            LLMatrix4 mat(quat, LLVector4(origin, 1.f));

+

+            view[i + 4] = glh::matrix4f((F32*)mat.mMatrix);

+

+            view[i + 4] = view[i + 4].inverse();

+

+            //get perspective matrix

+            F32 near_clip = dist + 0.01f;

+            F32 width = scale.mV[VX];

+            F32 height = scale.mV[VY];

+            F32 far_clip = dist + volume->getLightRadius() * 1.5f;

+

+            F32 fovy = fov * RAD_TO_DEG;

+            F32 aspect = width / height;

+

+            proj[i + 4] = gl_perspective(fovy, aspect, near_clip, far_clip);

+

+            //translate and scale to from [-1, 1] to [0, 1]

+            glh::matrix4f trans(0.5f, 0.f, 0.f, 0.5f,

+                0.f, 0.5f, 0.f, 0.5f,

+                0.f, 0.f, 0.5f, 0.5f,

+                0.f, 0.f, 0.f, 1.f);

+

+            set_current_modelview(view[i + 4]);

+            set_current_projection(proj[i + 4]);

+

+            mSunShadowMatrix[i + 4] = trans * proj[i + 4] * view[i + 4] * inv_view;

+

+            for (U32 j = 0; j < 16; j++)

+            {

+                gGLLastModelView[j] = mShadowModelview[i + 4].m[j];

+                gGLLastProjection[j] = mShadowProjection[i + 4].m[j];

+            }

+

+            mShadowModelview[i + 4] = view[i + 4];

+            mShadowProjection[i + 4] = proj[i + 4];

+

+            if (!gCubeSnapshot) //skip updating spot shadow maps during cubemap updates

+            {

+                LLCamera shadow_cam = camera;

+                shadow_cam.setFar(far_clip);

+                shadow_cam.setOrigin(origin);

+

+                LLViewerCamera::updateFrustumPlanes(shadow_cam, false, false, true);

+

+                //

+

+                mSpotShadow[i].bindTarget();

+                mSpotShadow[i].getViewport(gGLViewport);

+                mSpotShadow[i].clear();

+

+                static LLCullResult result[2];

+

+                LLViewerCamera::sCurCameraID = (LLViewerCamera::eCameraID)(LLViewerCamera::CAMERA_SPOT_SHADOW0 + i);

+

+                RenderSpotLight = drawable;

+

+                renderShadow(view[i + 4], proj[i + 4], shadow_cam, result[i], false);

+

+                RenderSpotLight = nullptr;

+

+                mSpotShadow[i].flush();

+            }

+        }

+    }

+    else

+    { //no spotlight shadows

+        mShadowSpotLight[0] = mShadowSpotLight[1] = NULL;

+    }

+

+

+    if (!CameraOffset)

+    {

+        set_current_modelview(saved_view);

+        set_current_projection(saved_proj);

+    }

+    else

+    {

+        set_current_modelview(view[1]);

+        set_current_projection(proj[1]);

+        gGL.loadMatrix(view[1].m);

+        gGL.matrixMode(LLRender::MM_PROJECTION);

+        gGL.loadMatrix(proj[1].m);

+        gGL.matrixMode(LLRender::MM_MODELVIEW);

+    }

+    gGL.setColorMask(true, true);

+

+    for (U32 i = 0; i < 16; i++)

+    {

+        gGLLastModelView[i] = last_modelview[i];

+        gGLLastProjection[i] = last_projection[i];

+    }

+

+    popRenderTypeMask();

+

+    if (!skip_avatar_update)

+    {

+        gAgentAvatarp->updateAttachmentVisibility(gAgentCamera.getCameraMode());

+    }

+}

+

+void LLPipeline::renderGroups(LLRenderPass* pass, U32 type, bool texture)

+{

+    for (LLCullResult::sg_iterator i = sCull->beginVisibleGroups(); i != sCull->endVisibleGroups(); ++i)

+    {

+        LLSpatialGroup* group = *i;

+        if (!group->isDead() &&

+            (!sUseOcclusion || !group->isOcclusionState(LLSpatialGroup::OCCLUDED)) &&

+            gPipeline.hasRenderType(group->getSpatialPartition()->mDrawableType) &&

+            group->mDrawMap.find(type) != group->mDrawMap.end())

+        {

+            pass->renderGroup(group,type,texture);

+        }

+    }

+}

+

+void LLPipeline::renderRiggedGroups(LLRenderPass* pass, U32 type, bool texture)

+{

+    for (LLCullResult::sg_iterator i = sCull->beginVisibleGroups(); i != sCull->endVisibleGroups(); ++i)

+    {

+        LLSpatialGroup* group = *i;

+        if (!group->isDead() &&

+            (!sUseOcclusion || !group->isOcclusionState(LLSpatialGroup::OCCLUDED)) &&

+            gPipeline.hasRenderType(group->getSpatialPartition()->mDrawableType) &&

+            group->mDrawMap.find(type) != group->mDrawMap.end())

+        {

+            pass->renderRiggedGroup(group, type, texture);

+        }

+    }

+}

+

+void LLPipeline::profileAvatar(LLVOAvatar* avatar, bool profile_attachments)

+{

+    if (gGLManager.mGLVersion < 3.25f)

+    { // profiling requires GL 3.3 or later

+        return;

+    }

+

+    LL_PROFILE_ZONE_SCOPED_CATEGORY_PIPELINE;

+

+    // don't continue to profile an avatar that is known to be too slow

+    llassert(!avatar->isTooSlow());

+

+    LLGLSLShader* cur_shader = LLGLSLShader::sCurBoundShaderPtr;

+

+    mRT->deferredScreen.bindTarget();

+    mRT->deferredScreen.clear();

+

+    if (!profile_attachments)

+    {

+        // profile entire avatar all at once and readback asynchronously

+        avatar->placeProfileQuery();

+

+        LLTimer cpu_timer;

+

+        generateImpostor(avatar, false, true);

+

+        avatar->mCPURenderTime = (F32)cpu_timer.getElapsedTimeF32() * 1000.f;

+

+        avatar->readProfileQuery(5); // allow up to 5 frames of latency

+    }

+    else

+    {

+        // profile attachments one at a time

+        LLVOAvatar::attachment_map_t::iterator iter;

+        LLVOAvatar::attachment_map_t::iterator begin = avatar->mAttachmentPoints.begin();

+        LLVOAvatar::attachment_map_t::iterator end = avatar->mAttachmentPoints.end();

+

+        for (iter = begin;

+            iter != end;

+            ++iter)

+        {

+            LLViewerJointAttachment* attachment = iter->second;

+            for (LLViewerJointAttachment::attachedobjs_vec_t::iterator attachment_iter = attachment->mAttachedObjects.begin();

+                attachment_iter != attachment->mAttachedObjects.end();

+                ++attachment_iter)

+            {

+                LLViewerObject* attached_object = attachment_iter->get();

+                if (attached_object)

+                {

+                    // use gDebugProgram to do the GPU queries

+                    gDebugProgram.clearStats();

+                    gDebugProgram.placeProfileQuery(true);

+

+                    generateImpostor(avatar, false, true, attached_object);

+                    gDebugProgram.readProfileQuery(true, true);

+

+                    attached_object->mGPURenderTime = gDebugProgram.mTimeElapsed / 1000000.f;

+                }

+            }

+        }

+    }

+

+    mRT->deferredScreen.flush();

+

+    if (cur_shader)

+    {

+        cur_shader->bind();

+    }

+}

+

+void LLPipeline::generateImpostor(LLVOAvatar* avatar, bool preview_avatar, bool for_profile, LLViewerObject* specific_attachment)

+{

+    LL_PROFILE_ZONE_SCOPED_CATEGORY_PIPELINE;

+    LL_PROFILE_GPU_ZONE("generateImpostor");

+    LLGLState::checkStates();

+

+    static LLCullResult result;

+    result.clear();

+    grabReferences(result);

+

+    if (!avatar || !avatar->mDrawable)

+    {

+        LL_WARNS_ONCE("AvatarRenderPipeline") << "Avatar is " << (avatar ? "not drawable" : "null") << LL_ENDL;

+        return;

+    }

+    LL_DEBUGS_ONCE("AvatarRenderPipeline") << "Avatar " << avatar->getID() << " is drawable" << LL_ENDL;

+

+    assertInitialized();

+

+    // previews can't be muted or impostered

+    bool visually_muted = !for_profile && !preview_avatar && avatar->isVisuallyMuted();

+    LL_DEBUGS_ONCE("AvatarRenderPipeline") << "Avatar " << avatar->getID()

+                              << " is " << ( visually_muted ? "" : "not ") << "visually muted"

+                              << LL_ENDL;

+    bool too_complex = !for_profile && !preview_avatar && avatar->isTooComplex();

+    LL_DEBUGS_ONCE("AvatarRenderPipeline") << "Avatar " << avatar->getID()

+                              << " is " << ( too_complex ? "" : "not ") << "too complex"

+                              << LL_ENDL;

+

+    pushRenderTypeMask();

+

+    if (visually_muted || too_complex)

+    {

+        // only show jelly doll geometry

+        andRenderTypeMask(LLPipeline::RENDER_TYPE_AVATAR,

+                            LLPipeline::RENDER_TYPE_CONTROL_AV,

+                            END_RENDER_TYPES);

+    }

+    else

+    {

+        //hide world geometry

+        clearRenderTypeMask(

+            RENDER_TYPE_SKY,

+            RENDER_TYPE_WL_SKY,

+            RENDER_TYPE_TERRAIN,

+            RENDER_TYPE_GRASS,

+            RENDER_TYPE_CONTROL_AV, // Animesh

+            RENDER_TYPE_TREE,

+            RENDER_TYPE_VOIDWATER,

+            RENDER_TYPE_WATER,

+            RENDER_TYPE_ALPHA_PRE_WATER,

+            RENDER_TYPE_PASS_GRASS,

+            RENDER_TYPE_HUD,

+            RENDER_TYPE_PARTICLES,

+            RENDER_TYPE_CLOUDS,

+            RENDER_TYPE_HUD_PARTICLES,

+            END_RENDER_TYPES

+         );

+    }

+

+    if (specific_attachment && specific_attachment->isHUDAttachment())

+    { //enable HUD rendering

+        setRenderTypeMask(RENDER_TYPE_HUD, END_RENDER_TYPES);

+    }

+

+    S32 occlusion = sUseOcclusion;

+    sUseOcclusion = 0;

+

+    sReflectionRender = ! sRenderDeferred;

+

+    sShadowRender = true;

+    sImpostorRender = true;

+

+    LLViewerCamera* viewer_camera = LLViewerCamera::getInstance();

+

+    {

+        markVisible(avatar->mDrawable, *viewer_camera);

+

+        if (preview_avatar)

+        {

+            // Only show rigged attachments for preview

+            // For the sake of performance and so that static

+            // objects won't obstruct previewing changes

+            LLVOAvatar::attachment_map_t::iterator iter;

+            for (iter = avatar->mAttachmentPoints.begin();

+                iter != avatar->mAttachmentPoints.end();

+                ++iter)

+            {

+                LLViewerJointAttachment *attachment = iter->second;

+                for (LLViewerJointAttachment::attachedobjs_vec_t::iterator attachment_iter = attachment->mAttachedObjects.begin();

+                    attachment_iter != attachment->mAttachedObjects.end();

+                    ++attachment_iter)

+                {

+                    LLViewerObject* attached_object = attachment_iter->get();

+                    if (attached_object)

+                    {

+                        if (attached_object->isRiggedMesh())

+                        {

+                            markVisible(attached_object->mDrawable->getSpatialBridge(), *viewer_camera);

+                        }

+                        else

+                        {

+                            // sometimes object is a linkset and rigged mesh is a child

+                            LLViewerObject::const_child_list_t& child_list = attached_object->getChildren();

+                            for (LLViewerObject::child_list_t::const_iterator iter = child_list.begin();

+                                iter != child_list.end(); iter++)

+                            {

+                                LLViewerObject* child = *iter;

+                                if (child->isRiggedMesh())

+                                {

+                                    markVisible(attached_object->mDrawable->getSpatialBridge(), *viewer_camera);

+                                    break;

+                                }

+                            }

+                        }

+                    }

+                }

+            }

+        }

+        else

+        {

+            if (specific_attachment)

+            {

+                markVisible(specific_attachment->mDrawable->getSpatialBridge(), *viewer_camera);

+            }

+            else

+            {

+                LLVOAvatar::attachment_map_t::iterator iter;

+                LLVOAvatar::attachment_map_t::iterator begin = avatar->mAttachmentPoints.begin();

+                LLVOAvatar::attachment_map_t::iterator end = avatar->mAttachmentPoints.end();

+

+                for (iter = begin;

+                    iter != end;

+                    ++iter)

+                {

+                    LLViewerJointAttachment* attachment = iter->second;

+                    for (LLViewerJointAttachment::attachedobjs_vec_t::iterator attachment_iter = attachment->mAttachedObjects.begin();

+                        attachment_iter != attachment->mAttachedObjects.end();

+                        ++attachment_iter)

+                    {

+                        LLViewerObject* attached_object = attachment_iter->get();

+                        if (attached_object)

+                        {

+                            markVisible(attached_object->mDrawable->getSpatialBridge(), *viewer_camera);

+                        }

+                    }

+                }

+            }

+        }

+    }

+

+    stateSort(*LLViewerCamera::getInstance(), result);

+

+    LLCamera camera = *viewer_camera;

+    LLVector2 tdim;

+    U32 resY = 0;

+    U32 resX = 0;

+

+    if (!preview_avatar)

+    {

+        const LLVector4a* ext = avatar->mDrawable->getSpatialExtents();

+        LLVector3 pos(avatar->getRenderPosition()+avatar->getImpostorOffset());

+

+        camera.lookAt(viewer_camera->getOrigin(), pos, viewer_camera->getUpAxis());

+

+        LLVector4a half_height;

+        half_height.setSub(ext[1], ext[0]);

+        half_height.mul(0.5f);

+

+        LLVector4a left;

+        left.load3(camera.getLeftAxis().mV);

+        left.mul(left);

+        llassert(left.dot3(left).getF32() > F_APPROXIMATELY_ZERO);

+        left.normalize3fast();

+

+        LLVector4a up;

+        up.load3(camera.getUpAxis().mV);

+        up.mul(up);

+        llassert(up.dot3(up).getF32() > F_APPROXIMATELY_ZERO);

+        up.normalize3fast();

+

+        tdim.mV[0] = fabsf(half_height.dot3(left).getF32());

+        tdim.mV[1] = fabsf(half_height.dot3(up).getF32());

+

+        gGL.matrixMode(LLRender::MM_PROJECTION);

+        gGL.pushMatrix();

+

+        F32 distance = (pos-camera.getOrigin()).length();

+        F32 fov = atanf(tdim.mV[1]/distance)*2.f*RAD_TO_DEG;

+        F32 aspect = tdim.mV[0]/tdim.mV[1];

+        glh::matrix4f persp = gl_perspective(fov, aspect, 1.f, 256.f);

+        set_current_projection(persp);

+        gGL.loadMatrix(persp.m);

+

+        gGL.matrixMode(LLRender::MM_MODELVIEW);

+        gGL.pushMatrix();

+        glh::matrix4f mat;

+        camera.getOpenGLTransform(mat.m);

+

+        mat = glh::matrix4f((GLfloat*) OGL_TO_CFR_ROTATION) * mat;

+

+        gGL.loadMatrix(mat.m);

+        set_current_modelview(mat);

+

+        glClearColor(0.0f,0.0f,0.0f,0.0f);

+        gGL.setColorMask(true, true);

+

+        // get the number of pixels per angle

+        F32 pa = gViewerWindow->getWindowHeightRaw() / (RAD_TO_DEG * viewer_camera->getView());

+

+        //get resolution based on angle width and height of impostor (double desired resolution to prevent aliasing)

+        resY = llmin(nhpo2((U32) (fov*pa)), (U32) 512);

+        resX = llmin(nhpo2((U32) (atanf(tdim.mV[0]/distance)*2.f*RAD_TO_DEG*pa)), (U32) 512);

+

+        if (!for_profile)

+        {

+            if (!avatar->mImpostor.isComplete())

+            {

+                avatar->mImpostor.allocate(resX, resY, GL_RGBA, true);

+

+                if (LLPipeline::sRenderDeferred)

+                {

+                    addDeferredAttachments(avatar->mImpostor, true);

+                }

+

+                gGL.getTexUnit(0)->bind(&avatar->mImpostor);

+                gGL.getTexUnit(0)->setTextureFilteringOption(LLTexUnit::TFO_POINT);

+                gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);

+            }

+            else if (resX != avatar->mImpostor.getWidth() || resY != avatar->mImpostor.getHeight())

+            {

+                avatar->mImpostor.resize(resX, resY);

+            }

+

+            avatar->mImpostor.bindTarget();

+        }

+    }

+

+    F32 old_alpha = LLDrawPoolAvatar::sMinimumAlpha;

+

+    if (visually_muted || too_complex)

+    { //disable alpha masking for muted avatars (get whole skin silhouette)

+        LLDrawPoolAvatar::sMinimumAlpha = 0.f;

+    }

+

+    if (preview_avatar || for_profile)

+    {

+        // previews and profiles don't care about imposters

+        renderGeomDeferred(camera);

+        renderGeomPostDeferred(camera);

+    }

+    else

+    {

+        avatar->mImpostor.clear();

+        renderGeomDeferred(camera);

+

+        renderGeomPostDeferred(camera);

+

+        // Shameless hack time: render it all again,

+        // this time writing the depth

+        // values we need to generate the alpha mask below

+        // while preserving the alpha-sorted color rendering

+        // from the previous pass

+        //

+        sImpostorRenderAlphaDepthPass = true;

+        // depth-only here...

+        //

+        gGL.setColorMask(false,false);

+        renderGeomPostDeferred(camera);

+

+        sImpostorRenderAlphaDepthPass = false;

+

+    }

+

+    LLDrawPoolAvatar::sMinimumAlpha = old_alpha;

+

+    if (!for_profile)

+    { //create alpha mask based on depth buffer (grey out if muted)

+        if (LLPipeline::sRenderDeferred)

+        {

+            GLuint buff = GL_COLOR_ATTACHMENT0;

+            glDrawBuffers(1, &buff);

+        }

+

+        LLGLDisable blend(GL_BLEND);

+

+        if (visually_muted || too_complex)

+        {

+            gGL.setColorMask(true, true);

+        }

+        else

+        {

+            gGL.setColorMask(false, true);

+        }

+

+        gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);

+

+        LLGLDepthTest depth(GL_TRUE, GL_FALSE, GL_GREATER);

+

+        gGL.flush();

+

+        gGL.pushMatrix();

+        gGL.loadIdentity();

+        gGL.matrixMode(LLRender::MM_PROJECTION);

+        gGL.pushMatrix();

+        gGL.loadIdentity();

+

+        static const F32 clip_plane = 0.99999f;

+

+        gDebugProgram.bind();

+

+        if (visually_muted)

+        {   // Visually muted avatar

+            LLColor4 muted_color(avatar->getMutedAVColor());

+            LL_DEBUGS_ONCE("AvatarRenderPipeline") << "Avatar " << avatar->getID() << " MUTED set solid color " << muted_color << LL_ENDL;

+            gGL.diffuseColor4fv( muted_color.mV );

+        }

+        else if (!preview_avatar)

+        { //grey muted avatar

+            LL_DEBUGS_ONCE("AvatarRenderPipeline") << "Avatar " << avatar->getID() << " MUTED set grey" << LL_ENDL;

+            gGL.diffuseColor4fv(LLColor4::pink.mV );

+        }

+

+        gGL.begin(LLRender::QUADS);

+        gGL.vertex3f(-1, -1, clip_plane);

+        gGL.vertex3f(1, -1, clip_plane);

+        gGL.vertex3f(1, 1, clip_plane);

+        gGL.vertex3f(-1, 1, clip_plane);

+        gGL.end();

+        gGL.flush();

+

+        gDebugProgram.unbind();

+

+        gGL.popMatrix();

+        gGL.matrixMode(LLRender::MM_MODELVIEW);

+        gGL.popMatrix();

+    }

+

+    if (!preview_avatar && !for_profile)

+    {

+        avatar->mImpostor.flush();

+        avatar->setImpostorDim(tdim);

+    }

+

+    sUseOcclusion = occlusion;

+    sReflectionRender = false;

+    sImpostorRender = false;

+    sShadowRender = false;

+    popRenderTypeMask();

+

+    gGL.matrixMode(LLRender::MM_PROJECTION);

+    gGL.popMatrix();

+    gGL.matrixMode(LLRender::MM_MODELVIEW);

+    gGL.popMatrix();

+

+    if (!preview_avatar && !for_profile)

+    {

+        avatar->mNeedsImpostorUpdate = false;

+        avatar->cacheImpostorValues();

+        avatar->mLastImpostorUpdateFrameTime = gFrameTimeSeconds;

+    }

+

+    LLVertexBuffer::unbind();

+    LLGLState::checkStates();

+}

+

+bool LLPipeline::hasRenderBatches(const U32 type) const

+{

+    return sCull->getRenderMapSize(type) > 0;

+}

+

+LLCullResult::drawinfo_iterator LLPipeline::beginRenderMap(U32 type)

+{

+    return sCull->beginRenderMap(type);

+}

+

+LLCullResult::drawinfo_iterator LLPipeline::endRenderMap(U32 type)

+{

+    return sCull->endRenderMap(type);

+}

+

+LLCullResult::sg_iterator LLPipeline::beginAlphaGroups()

+{

+    return sCull->beginAlphaGroups();

+}

+

+LLCullResult::sg_iterator LLPipeline::endAlphaGroups()

+{

+    return sCull->endAlphaGroups();

+}

+

+LLCullResult::sg_iterator LLPipeline::beginRiggedAlphaGroups()

+{

+    return sCull->beginRiggedAlphaGroups();

+}

+

+LLCullResult::sg_iterator LLPipeline::endRiggedAlphaGroups()

+{

+    return sCull->endRiggedAlphaGroups();

+}

+

+bool LLPipeline::hasRenderType(const U32 type) const

+{

+    // STORM-365 : LLViewerJointAttachment::setAttachmentVisibility() is setting type to 0 to actually mean "do not render"

+    // We then need to test that value here and return false to prevent attachment to render (in mouselook for instance)

+    // TODO: reintroduce RENDER_TYPE_NONE in LLRenderTypeMask and initialize its mRenderTypeEnabled[RENDER_TYPE_NONE] to false explicitely

+    return (type == 0 ? false : mRenderTypeEnabled[type]);

+}

+

+void LLPipeline::setRenderTypeMask(U32 type, ...)

+{

+    va_list args;

+

+    va_start(args, type);

+    while (type < END_RENDER_TYPES)

+    {

+        mRenderTypeEnabled[type] = true;

+        type = va_arg(args, U32);

+    }

+    va_end(args);

+

+    if (type > END_RENDER_TYPES)

+    {

+        LL_ERRS() << "Invalid render type." << LL_ENDL;

+    }

+}

+

+bool LLPipeline::hasAnyRenderType(U32 type, ...) const

+{

+    va_list args;

+

+    va_start(args, type);

+    while (type < END_RENDER_TYPES)

+    {

+        if (mRenderTypeEnabled[type])

+        {

+            return true;

+        }

+        type = va_arg(args, U32);

+    }

+    va_end(args);

+

+    if (type > END_RENDER_TYPES)

+    {

+        LL_ERRS() << "Invalid render type." << LL_ENDL;

+    }

+

+    return false;

+}

+

+void LLPipeline::pushRenderTypeMask()

+{

+    std::string cur_mask;

+    cur_mask.assign((const char*) mRenderTypeEnabled, sizeof(mRenderTypeEnabled));

+    mRenderTypeEnableStack.push(cur_mask);

+}

+

+void LLPipeline::popRenderTypeMask()

+{

+    if (mRenderTypeEnableStack.empty())

+    {

+        LL_ERRS() << "Depleted render type stack." << LL_ENDL;

+    }

+

+    memcpy(mRenderTypeEnabled, mRenderTypeEnableStack.top().data(), sizeof(mRenderTypeEnabled));

+    mRenderTypeEnableStack.pop();

+}

+

+void LLPipeline::andRenderTypeMask(U32 type, ...)

+{

+    va_list args;

+

+    bool tmp[NUM_RENDER_TYPES];

+    for (U32 i = 0; i < NUM_RENDER_TYPES; ++i)

+    {

+        tmp[i] = false;

+    }

+

+    va_start(args, type);

+    while (type < END_RENDER_TYPES)

+    {

+        if (mRenderTypeEnabled[type])

+        {

+            tmp[type] = true;

+        }

+

+        type = va_arg(args, U32);

+    }

+    va_end(args);

+

+    if (type > END_RENDER_TYPES)

+    {

+        LL_ERRS() << "Invalid render type." << LL_ENDL;

+    }

+

+    for (U32 i = 0; i < LLPipeline::NUM_RENDER_TYPES; ++i)

+    {

+        mRenderTypeEnabled[i] = tmp[i];

+    }

+

+}

+

+void LLPipeline::clearRenderTypeMask(U32 type, ...)

+{

+    va_list args;

+

+    va_start(args, type);

+    while (type < END_RENDER_TYPES)

+    {

+        mRenderTypeEnabled[type] = false;

+

+        type = va_arg(args, U32);

+    }

+    va_end(args);

+

+    if (type > END_RENDER_TYPES)

+    {

+        LL_ERRS() << "Invalid render type." << LL_ENDL;

+    }

+}

+

+void LLPipeline::setAllRenderTypes()

+{

+    for (U32 i = 0; i < NUM_RENDER_TYPES; ++i)

+    {

+        mRenderTypeEnabled[i] = true;

+    }

+}

+

+void LLPipeline::clearAllRenderTypes()

+{

+    for (U32 i = 0; i < NUM_RENDER_TYPES; ++i)

+    {

+        mRenderTypeEnabled[i] = false;

+    }

+}

+

+void LLPipeline::addDebugBlip(const LLVector3& position, const LLColor4& color)

+{

+    DebugBlip blip(position, color);

+    mDebugBlips.push_back(blip);

+}

+

+void LLPipeline::hidePermanentObjects( std::vector<U32>& restoreList )

+{

+    //This method is used to hide any vo's from the object list that may have

+    //the permanent flag set.

+

+    U32 objCnt = gObjectList.getNumObjects();

+    for (U32 i = 0; i < objCnt; ++i)

+    {

+        LLViewerObject* pObject = gObjectList.getObject(i);

+        if ( pObject && pObject->flagObjectPermanent() )

+        {

+            LLDrawable *pDrawable = pObject->mDrawable;

+

+            if ( pDrawable )

+            {

+                restoreList.push_back( i );

+                hideDrawable( pDrawable );

+            }

+        }

+    }

+

+    skipRenderingOfTerrain( true );

+}

+

+void LLPipeline::restorePermanentObjects( const std::vector<U32>& restoreList )

+{

+    //This method is used to restore(unhide) any vo's from the object list that may have

+    //been hidden because their permanency flag was set.

+

+    std::vector<U32>::const_iterator itCurrent  = restoreList.begin();

+    std::vector<U32>::const_iterator itEnd      = restoreList.end();

+

+    U32 objCnt = gObjectList.getNumObjects();

+

+    while ( itCurrent != itEnd )

+    {

+        U32 index = *itCurrent;

+        LLViewerObject* pObject = NULL;

+        if ( index < objCnt )

+        {

+            pObject = gObjectList.getObject( index );

+        }

+        if ( pObject )

+        {

+            LLDrawable *pDrawable = pObject->mDrawable;

+            if ( pDrawable )

+            {

+                pDrawable->clearState( LLDrawable::FORCE_INVISIBLE );

+                unhideDrawable( pDrawable );

+            }

+        }

+        ++itCurrent;

+    }

+

+    skipRenderingOfTerrain( false );

+}

+

+void LLPipeline::skipRenderingOfTerrain( bool flag )

+{

+    pool_set_t::iterator iter = mPools.begin();

+    while ( iter != mPools.end() )

+    {

+        LLDrawPool* pPool = *iter;

+        U32 poolType = pPool->getType();

+        if ( hasRenderType( pPool->getType() ) && poolType == LLDrawPool::POOL_TERRAIN )

+        {

+            pPool->setSkipRenderFlag( flag );

+        }

+        ++iter;

+    }

+}

+

+void LLPipeline::hideObject( const LLUUID& id )

+{

+    LLViewerObject *pVO = gObjectList.findObject( id );

+

+    if ( pVO )

+    {

+        LLDrawable *pDrawable = pVO->mDrawable;

+

+        if ( pDrawable )

+        {

+            hideDrawable( pDrawable );

+        }

+    }

+}

+

+void LLPipeline::hideDrawable( LLDrawable *pDrawable )

+{

+    pDrawable->setState( LLDrawable::FORCE_INVISIBLE );

+    markRebuild( pDrawable, LLDrawable::REBUILD_ALL);

+    //hide the children

+    LLViewerObject::const_child_list_t& child_list = pDrawable->getVObj()->getChildren();

+    for ( LLViewerObject::child_list_t::const_iterator iter = child_list.begin();

+          iter != child_list.end(); iter++ )

+    {

+        LLViewerObject* child = *iter;

+        LLDrawable* drawable = child->mDrawable;

+        if ( drawable )

+        {

+            drawable->setState( LLDrawable::FORCE_INVISIBLE );

+            markRebuild( drawable, LLDrawable::REBUILD_ALL);

+        }

+    }

+}

+void LLPipeline::unhideDrawable( LLDrawable *pDrawable )

+{

+    pDrawable->clearState( LLDrawable::FORCE_INVISIBLE );

+    markRebuild( pDrawable, LLDrawable::REBUILD_ALL);

+    //restore children

+    LLViewerObject::const_child_list_t& child_list = pDrawable->getVObj()->getChildren();

+    for ( LLViewerObject::child_list_t::const_iterator iter = child_list.begin();

+          iter != child_list.end(); iter++)

+    {

+        LLViewerObject* child = *iter;

+        LLDrawable* drawable = child->mDrawable;

+        if ( drawable )

+        {

+            drawable->clearState( LLDrawable::FORCE_INVISIBLE );

+            markRebuild( drawable, LLDrawable::REBUILD_ALL);

+        }

+    }

+}

+void LLPipeline::restoreHiddenObject( const LLUUID& id )

+{

+    LLViewerObject *pVO = gObjectList.findObject( id );

+

+    if ( pVO )

+    {

+        LLDrawable *pDrawable = pVO->mDrawable;

+        if ( pDrawable )

+        {

+            unhideDrawable( pDrawable );

+        }

+    }

+}

+

+void LLPipeline::skipRenderingShadows()

+{

+    LLGLDepthTest depth(GL_TRUE);

+

+    for (S32 j = 0; j < 4; j++)

+    {

+        mRT->shadow[j].bindTarget();

+        mRT->shadow[j].clear();

+        mRT->shadow[j].flush();

+    }

+}

+

+void LLPipeline::handleShadowDetailChanged()

+{

+    if (RenderShadowDetail > gSavedSettings.getS32("RenderShadowDetail"))

+    {

+        skipRenderingShadows();

+    }

+    else

+    {

+        LLViewerShaderMgr::instance()->setShaders();

+    }

+}

+

+class LLOctreeDirty : public OctreeTraveler

+{

+public:

+    virtual void visit(const OctreeNode* state)

+    {

+        LLSpatialGroup* group = (LLSpatialGroup*)state->getListener(0);

+

+        if (group->getSpatialPartition()->mRenderByGroup)

+        {

+            group->setState(LLSpatialGroup::GEOM_DIRTY);

+            gPipeline.markRebuild(group);

+        }

+

+        for (LLSpatialGroup::bridge_list_t::iterator i = group->mBridgeList.begin(); i != group->mBridgeList.end(); ++i)

+        {

+            LLSpatialBridge* bridge = *i;

+            traverse(bridge->mOctree);

+        }

+    }

+};

+

+

+void LLPipeline::rebuildDrawInfo()

+{

+    for (LLWorld::region_list_t::const_iterator iter = LLWorld::getInstance()->getRegionList().begin();

+        iter != LLWorld::getInstance()->getRegionList().end(); ++iter)

+    {

+        LLViewerRegion* region = *iter;

+

+        LLOctreeDirty dirty;

+

+        LLSpatialPartition* part = region->getSpatialPartition(LLViewerRegion::PARTITION_VOLUME);

+        dirty.traverse(part->mOctree);

+

+        part = region->getSpatialPartition(LLViewerRegion::PARTITION_BRIDGE);

+        dirty.traverse(part->mOctree);

+    }

+}

+