1 files changed, 730 insertions, 269 deletions

diff --git a/indra/newview/pipeline.cpp b/indra/newview/pipeline.cpp
index e6c6c74fce..d1a4575880 100644
--- a/indra/newview/pipeline.cpp
+++ b/indra/newview/pipeline.cpp
@@ -67,6 +67,7 @@
 #include "llhudnametag.h"
 #include "llhudtext.h"
 #include "lllightconstants.h"
+#include "llmeshrepository.h"
 #include "llresmgr.h"
 #include "llselectmgr.h"
 #include "llsky.h"
@@ -100,6 +101,7 @@
 #include "llspatialpartition.h"
 #include "llmutelist.h"
 #include "lltoolpie.h"
+#include "llcurl.h"
 
 
 #ifdef _DEBUG
@@ -269,6 +271,8 @@ BOOL	LLPipeline::sAutoMaskAlphaDeferred = TRUE;
 BOOL	LLPipeline::sAutoMaskAlphaNonDeferred = FALSE;
 BOOL	LLPipeline::sDisableShaders = FALSE;
 BOOL	LLPipeline::sRenderBump = TRUE;
+BOOL	LLPipeline::sBakeSunlight = FALSE;
+BOOL	LLPipeline::sNoAlpha = FALSE;
 BOOL	LLPipeline::sUseTriStrips = TRUE;
 BOOL	LLPipeline::sUseFarClip = TRUE;
 BOOL	LLPipeline::sShadowRender = FALSE;
@@ -394,6 +398,14 @@ void LLPipeline::init()
 		toggleRenderType(RENDER_TYPE_GROUND);
 	}
 
+	// 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;
@@ -527,6 +539,22 @@ void LLPipeline::resizeScreenTexture()
 	}
 }
 
+void LLPipeline::allocatePhysicsBuffer()
+{
+	GLuint resX = gViewerWindow->getWorldViewWidthRaw();
+	GLuint resY = gViewerWindow->getWorldViewHeightRaw();
+
+	if (mPhysicsDisplay.getWidth() != resX || mPhysicsDisplay.getHeight() != resY)
+	{
+		mPhysicsDisplay.allocate(resX, resY, GL_RGBA, TRUE, FALSE, LLTexUnit::TT_RECT_TEXTURE, FALSE);
+		if (mSampleBuffer.getWidth() == mPhysicsDisplay.getWidth() && 
+			mSampleBuffer.getHeight() == mPhysicsDisplay.getHeight())
+		{
+			mPhysicsDisplay.setSampleBuffer(&mSampleBuffer);
+		}
+	}
+}
+
 void LLPipeline::allocateScreenBuffer(U32 resX, U32 resY)
 {
 	// remember these dimensions
@@ -550,6 +578,11 @@ void LLPipeline::allocateScreenBuffer(U32 resX, U32 resY)
 
 	if (LLPipeline::sRenderDeferred)
 	{
+		S32 shadow_detail = gSavedSettings.getS32("RenderShadowDetail");
+		BOOL ssao = gSavedSettings.getBOOL("RenderDeferredSSAO");
+		bool gi = LLViewerShaderMgr::instance()->getVertexShaderLevel(LLViewerShaderMgr::SHADER_DEFERRED);
+
+		samples = llmin(samples, (U32) 8); //cap multisample buffers to 8 samples when rendering deferred
 		//allocate deferred rendering color buffers
 		mDeferredScreen.allocate(resX, resY, GL_RGBA, TRUE, TRUE, LLTexUnit::TT_RECT_TEXTURE, FALSE);
 		mDeferredDepth.allocate(resX, resY, 0, TRUE, FALSE, LLTexUnit::TT_RECT_TEXTURE, FALSE);
@@ -558,14 +591,40 @@ void LLPipeline::allocateScreenBuffer(U32 resX, U32 resY)
 		mScreen.allocate(resX, resY, GL_RGBA, FALSE, FALSE, LLTexUnit::TT_RECT_TEXTURE, FALSE);		
 		mEdgeMap.allocate(resX, resY, GL_ALPHA, FALSE, FALSE, LLTexUnit::TT_RECT_TEXTURE, FALSE);
 
-		for (U32 i = 0; i < 3; i++)
+		if (shadow_detail > 0 || ssao)
+		{ //only need mDeferredLight[0] for shadows OR ssao
+			mDeferredLight[0].allocate(resX, resY, GL_RGBA, FALSE, FALSE, LLTexUnit::TT_RECT_TEXTURE);
+		}
+		else
 		{
-			mDeferredLight[i].allocate(resX, resY, GL_RGBA, FALSE, FALSE, LLTexUnit::TT_RECT_TEXTURE);
+			mDeferredLight[0].release();
 		}
 
-		for (U32 i = 0; i < 2; i++)
+		if (ssao)
+		{ //only need mDeferredLight[1] for ssao
+			mDeferredLight[1].allocate(resX, resY, GL_RGBA, FALSE, FALSE, LLTexUnit::TT_RECT_TEXTURE);
+		}
+		else
 		{
-			mGIMapPost[i].allocate(resX,resY, GL_RGB, FALSE, FALSE, LLTexUnit::TT_RECT_TEXTURE);
+			mDeferredLight[1].release();
+		}
+
+		if (gi)
+		{ //only need mDeferredLight[2] and mGIMapPost for gi
+			mDeferredLight[2].allocate(resX, resY, GL_RGBA, FALSE, FALSE, LLTexUnit::TT_RECT_TEXTURE);
+			for (U32 i = 0; i < 2; i++)
+			{
+				mGIMapPost[i].allocate(resX,resY, GL_RGB, FALSE, FALSE, LLTexUnit::TT_RECT_TEXTURE);
+			}
+		}
+		else
+		{
+			mDeferredLight[2].release();
+		
+			for (U32 i = 0; i < 2; i++)
+			{
+				mGIMapPost[i].release();
+			}
 		}
 
 		F32 scale = gSavedSettings.getF32("RenderShadowResolutionScale");
@@ -573,18 +632,37 @@ void LLPipeline::allocateScreenBuffer(U32 resX, U32 resY)
 		//HACK: make alpha masking work on ATI depth shadows (work around for ATI driver bug)
 		U32 shadow_fmt = gGLManager.mIsATI ? GL_ALPHA : 0;
 
-		for (U32 i = 0; i < 4; i++)
+		if (shadow_detail > 0)
+		{ //allocate 4 sun shadow maps
+			for (U32 i = 0; i < 4; i++)
+			{
+				mShadow[i].allocate(U32(resX*scale),U32(resY*scale), shadow_fmt, TRUE, FALSE, LLTexUnit::TT_RECT_TEXTURE);
+			}
+		}
+		else
 		{
-			mShadow[i].allocate(U32(resX*scale),U32(resY*scale), shadow_fmt, TRUE, FALSE, LLTexUnit::TT_RECT_TEXTURE);
+			for (U32 i = 0; i < 4; i++)
+			{
+				mShadow[i].release();
+			}
 		}
 
-
 		U32 width = nhpo2(U32(resX*scale))/2;
 		U32 height = width;
 
-		for (U32 i = 4; i < 6; i++)
+		if (shadow_detail > 1)
+		{ //allocate two spot shadow maps
+			for (U32 i = 4; i < 6; i++)
+			{
+				mShadow[i].allocate(width, height, shadow_fmt, TRUE, FALSE);
+			}
+		}
+		else
 		{
-			mShadow[i].allocate(width, height, shadow_fmt, TRUE, FALSE);
+			for (U32 i = 4; i < 6; i++)
+			{
+				mShadow[i].release();
+			}
 		}
 
 		width = nhpo2(resX)/2;
@@ -593,6 +671,24 @@ void LLPipeline::allocateScreenBuffer(U32 resX, U32 resY)
 	}
 	else
 	{
+		for (U32 i = 0; i < 3; i++)
+		{ 
+			mDeferredLight[i].release();
+		}
+		for (U32 i = 0; i < 2; i++)
+		{
+			mGIMapPost[i].release();
+		}
+		for (U32 i = 0; i < 6; i++)
+		{
+			mShadow[i].release();
+		}
+		mScreen.release();
+		mDeferredScreen.release(); //make sure to release any render targets that share a depth buffer with mDeferredScreen first
+		mDeferredDepth.release();
+		mEdgeMap.release();
+		mLuminanceMap.release();
+		
 		mScreen.allocate(resX, resY, GL_RGBA, TRUE, TRUE, LLTexUnit::TT_RECT_TEXTURE, FALSE);		
 	}
 	
@@ -604,19 +700,27 @@ void LLPipeline::allocateScreenBuffer(U32 resX, U32 resY)
 		{
 			addDeferredAttachments(mSampleBuffer);
 			mDeferredScreen.setSampleBuffer(&mSampleBuffer);
+			mEdgeMap.setSampleBuffer(&mSampleBuffer);
 		}
 
 		mScreen.setSampleBuffer(&mSampleBuffer);
 
 		stop_glerror();
 	}
+	else
+	{
+		mSampleBuffer.release();
+	}
 	
 	if (LLPipeline::sRenderDeferred)
 	{ //share depth buffer between deferred targets
 		mDeferredScreen.shareDepthBuffer(mScreen);
 		for (U32 i = 0; i < 3; i++)
 		{ //share stencil buffer with screen space lightmap to stencil out sky
-			mDeferredScreen.shareDepthBuffer(mDeferredLight[i]);
+			if (mDeferredLight[i].getTexture(0))
+			{
+				mDeferredScreen.shareDepthBuffer(mDeferredLight[i]);
+			}
 		}
 	}
 
@@ -665,8 +769,9 @@ void LLPipeline::releaseGLBuffers()
 	mWaterRef.release();
 	mWaterDis.release();
 	mScreen.release();
+	mPhysicsDisplay.release();
 	mUIScreen.release();
-	mSampleBuffer.releaseSampleBuffer();
+	mSampleBuffer.release();
 	mDeferredScreen.release();
 	mDeferredDepth.release();
 	for (U32 i = 0; i < 3; i++)
@@ -915,7 +1020,7 @@ S32 LLPipeline::setLightingDetail(S32 level)
 
 	if (level < 0)
 	{
-		if (gSavedSettings.getBOOL("VertexShaderEnable"))
+		if (gSavedSettings.getBOOL("RenderLocalLights"))
 		{
 			level = 1;
 		}
@@ -925,15 +1030,8 @@ S32 LLPipeline::setLightingDetail(S32 level)
 		}
 	}
 	level = llclamp(level, 0, getMaxLightingDetail());
-	if (level != mLightingDetail)
-	{
-		mLightingDetail = level;
-
-		if (mVertexShadersLoaded == 1)
-		{
-			LLViewerShaderMgr::instance()->setShaders();
-		}
-	}
+	mLightingDetail = level;
+	
 	return mLightingDetail;
 }
 
@@ -1159,9 +1257,15 @@ void LLPipeline::allocDrawable(LLViewerObject *vobj)
 }
 
 
+static LLFastTimer::DeclareTimer FTM_UNLINK("Unlink");
+static LLFastTimer::DeclareTimer FTM_REMOVE_FROM_MOVE_LIST("Movelist");
+static LLFastTimer::DeclareTimer FTM_REMOVE_FROM_SPATIAL_PARTITION("Spatial Partition");
+static LLFastTimer::DeclareTimer FTM_REMOVE_FROM_LIGHT_SET("Light Set");
+static LLFastTimer::DeclareTimer FTM_REMOVE_FROM_HIGHLIGHT_SET("Highlight Set");
+
 void LLPipeline::unlinkDrawable(LLDrawable *drawable)
 {
-	LLFastTimer t(FTM_PIPELINE);
+	LLFastTimer t(FTM_UNLINK);
 
 	assertInitialized();
 
@@ -1170,6 +1274,7 @@ void LLPipeline::unlinkDrawable(LLDrawable *drawable)
 	// Based on flags, remove the drawable from the queues that it's on.
 	if (drawablep->isState(LLDrawable::ON_MOVE_LIST))
 	{
+		LLFastTimer t(FTM_REMOVE_FROM_MOVE_LIST);
 		LLDrawable::drawable_vector_t::iterator iter = std::find(mMovedList.begin(), mMovedList.end(), drawablep);
 		if (iter != mMovedList.end())
 		{
@@ -1179,6 +1284,7 @@ void LLPipeline::unlinkDrawable(LLDrawable *drawable)
 
 	if (drawablep->getSpatialGroup())
 	{
+		LLFastTimer t(FTM_REMOVE_FROM_SPATIAL_PARTITION);
 		if (!drawablep->getSpatialGroup()->mSpatialPartition->remove(drawablep, drawablep->getSpatialGroup()))
 		{
 #ifdef LL_RELEASE_FOR_DOWNLOAD
@@ -1189,18 +1295,23 @@ void LLPipeline::unlinkDrawable(LLDrawable *drawable)
 		}
 	}
 
-	mLights.erase(drawablep);
-	for (light_set_t::iterator iter = mNearbyLights.begin();
-				iter != mNearbyLights.end(); iter++)
 	{
-		if (iter->drawable == drawablep)
+		LLFastTimer t(FTM_REMOVE_FROM_LIGHT_SET);
+		mLights.erase(drawablep);
+
+		for (light_set_t::iterator iter = mNearbyLights.begin();
+					iter != mNearbyLights.end(); iter++)
 		{
-			mNearbyLights.erase(iter);
-			break;
+			if (iter->drawable == drawablep)
+			{
+				mNearbyLights.erase(iter);
+				break;
+			}
 		}
 	}
 
 	{
+		LLFastTimer t(FTM_REMOVE_FROM_HIGHLIGHT_SET);
 		HighlightItem item(drawablep);
 		mHighlightSet.erase(item);
 
@@ -1497,11 +1608,214 @@ F32 LLPipeline::calcPixelArea(LLVector3 center, LLVector3 size, LLCamera &camera
 	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()
+{
+	sCull = NULL;
+}
+
+void check_references(LLSpatialGroup* group, LLDrawable* drawable)
+{
+	for (LLSpatialGroup::element_iter i = group->getData().begin(); i != group->getData().end(); ++i)
+	{
+		if (drawable == *i)
+		{
+			llerrs << "LLDrawable deleted while actively reference by LLPipeline." << llendl;
+		}
+	}			
+}
+
+void check_references(LLDrawable* drawable, LLFace* face)
+{
+	for (S32 i = 0; i < drawable->getNumFaces(); ++i)
+	{
+		if (drawable->getFace(i) == face)
+		{
+			llerrs << "LLFace deleted while actively referenced by LLPipeline." << llendl;
+		}
+	}
+}
+
+void check_references(LLSpatialGroup* group, LLFace* face)
+{
+	for (LLSpatialGroup::element_iter i = group->getData().begin(); i != group->getData().end(); ++i)
+	{
+		LLDrawable* drawable = *i;
+		check_references(drawable, face);
+	}			
+}
+
+void LLPipeline::checkReferences(LLFace* face)
+{
+#if 0
+	if (sCull)
+	{
+		for (LLCullResult::sg_list_t::iterator iter = sCull->beginVisibleGroups(); iter != sCull->endVisibleGroups(); ++iter)
+		{
+			LLSpatialGroup* group = *iter;
+			check_references(group, face);
+		}
+
+		for (LLCullResult::sg_list_t::iterator iter = sCull->beginAlphaGroups(); iter != sCull->endAlphaGroups(); ++iter)
+		{
+			LLSpatialGroup* group = *iter;
+			check_references(group, face);
+		}
+
+		for (LLCullResult::sg_list_t::iterator iter = sCull->beginDrawableGroups(); iter != sCull->endDrawableGroups(); ++iter)
+		{
+			LLSpatialGroup* group = *iter;
+			check_references(group, face);
+		}
+
+		for (LLCullResult::drawable_list_t::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_list_t::iterator iter = sCull->beginVisibleGroups(); iter != sCull->endVisibleGroups(); ++iter)
+		{
+			LLSpatialGroup* group = *iter;
+			check_references(group, drawable);
+		}
+
+		for (LLCullResult::sg_list_t::iterator iter = sCull->beginAlphaGroups(); iter != sCull->endAlphaGroups(); ++iter)
+		{
+			LLSpatialGroup* group = *iter;
+			check_references(group, drawable);
+		}
+
+		for (LLCullResult::sg_list_t::iterator iter = sCull->beginDrawableGroups(); iter != sCull->endDrawableGroups(); ++iter)
+		{
+			LLSpatialGroup* group = *iter;
+			check_references(group, drawable);
+		}
+
+		for (LLCullResult::drawable_list_t::iterator iter = sCull->beginVisibleList(); iter != sCull->endVisibleList(); ++iter)
+		{
+			if (drawable == *iter)
+			{
+				llerrs << "LLDrawable deleted while actively referenced by LLPipeline." << llendl;
+			}
+		}
+	}
+#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)
+			{
+				llerrs << "LLDrawInfo deleted while actively referenced by LLPipeline." << llendl;
+			}
+		}
+	}
+}
+
+
+void LLPipeline::checkReferences(LLDrawInfo* draw_info)
+{
+#if 0
+	if (sCull)
+	{
+		for (LLCullResult::sg_list_t::iterator iter = sCull->beginVisibleGroups(); iter != sCull->endVisibleGroups(); ++iter)
+		{
+			LLSpatialGroup* group = *iter;
+			check_references(group, draw_info);
+		}
+
+		for (LLCullResult::sg_list_t::iterator iter = sCull->beginAlphaGroups(); iter != sCull->endAlphaGroups(); ++iter)
+		{
+			LLSpatialGroup* group = *iter;
+			check_references(group, draw_info);
+		}
+
+		for (LLCullResult::sg_list_t::iterator iter = sCull->beginDrawableGroups(); iter != sCull->endDrawableGroups(); ++iter)
+		{
+			LLSpatialGroup* group = *iter;
+			check_references(group, draw_info);
+		}
+	}
+#endif
+}
+
+void LLPipeline::checkReferences(LLSpatialGroup* group)
+{
+#if 0
+	if (sCull)
+	{
+		for (LLCullResult::sg_list_t::iterator iter = sCull->beginVisibleGroups(); iter != sCull->endVisibleGroups(); ++iter)
+		{
+			if (group == *iter)
+			{
+				llerrs << "LLSpatialGroup deleted while actively referenced by LLPipeline." << llendl;
+			}
+		}
+
+		for (LLCullResult::sg_list_t::iterator iter = sCull->beginAlphaGroups(); iter != sCull->endAlphaGroups(); ++iter)
+		{
+			if (group == *iter)
+			{
+				llerrs << "LLSpatialGroup deleted while actively referenced by LLPipeline." << llendl;
+			}
+		}
+
+		for (LLCullResult::sg_list_t::iterator iter = sCull->beginDrawableGroups(); iter != sCull->endDrawableGroups(); ++iter)
+		{
+			if (group == *iter)
+			{
+				llerrs << "LLSpatialGroup deleted while actively referenced by LLPipeline." << llendl;
+			}
+		}
+	}
+#endif
+}
+
+
 BOOL LLPipeline::visibleObjectsInFrustum(LLCamera& camera)
 {
 	for (LLWorld::region_list_t::const_iterator iter = LLWorld::getInstance()->getRegionList().begin(); 
@@ -1697,7 +2011,7 @@ void LLPipeline::markNotCulled(LLSpatialGroup* group, LLCamera& camera)
 	}
 
 	if (sMinRenderSize > 0.f && 
-			llmax(llmax(group->mBounds[1].mV[0], group->mBounds[1].mV[1]), group->mBounds[1].mV[2]) < sMinRenderSize)
+			llmax(llmax(group->mBounds[1][0], group->mBounds[1][1]), group->mBounds[1][2]) < sMinRenderSize)
 	{
 		return;
 	}
@@ -1805,6 +2119,8 @@ void LLPipeline::rebuildPriorityGroups()
 	
 	assertInitialized();
 
+	gMeshRepo.notifyLoadedMeshes();
+
 	// Iterate through all drawables on the priority build queue,
 	for (LLSpatialGroup::sg_vector_t::iterator iter = mGroupQ1.begin();
 		 iter != mGroupQ1.end(); ++iter)
@@ -1815,6 +2131,7 @@ void LLPipeline::rebuildPriorityGroups()
 	}
 
 	mGroupQ1.clear();
+
 }
 		
 void LLPipeline::rebuildGroups()
@@ -1969,8 +2286,8 @@ void LLPipeline::markVisible(LLDrawable *drawablep, LLCamera& camera)
 
 	if(drawablep && !drawablep->isDead())
 	{
-	if (drawablep->isSpatialBridge())
-	{
+		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
@@ -1982,24 +2299,24 @@ void LLPipeline::markVisible(LLDrawable *drawablep, LLCamera& camera)
 					LLViewerObject *vobj = rootparent->getVObj();
 					llassert(vobj); // trying to catch a bad assumption
 					if (vobj) // this test may not be needed, see above
-		{
+					{
 						const LLVOAvatar* av = vobj->asAvatar();
-			if (av && av->isImpostor())
-			{
-				return;
-			}
-		}
+						if (av && av->isImpostor())
+						{
+							return;
+						}
+					}
 				}
 			}
-		sCull->pushBridge((LLSpatialBridge*) drawablep);
-	}
-	else
-	{
-		sCull->pushDrawable(drawablep);
-	}
+			sCull->pushBridge((LLSpatialBridge*) drawablep);
+		}
+		else
+		{
+			sCull->pushDrawable(drawablep);
+		}
 
-	drawablep->setVisible(camera);
-}
+		drawablep->setVisible(camera);
+	}
 }
 
 void LLPipeline::markMoved(LLDrawable *drawablep, BOOL damped_motion)
@@ -2080,6 +2397,9 @@ void LLPipeline::shiftObjects(const LLVector3 &offset)
 	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++)
 	{
@@ -2088,7 +2408,7 @@ void LLPipeline::shiftObjects(const LLVector3 &offset)
 		{
 			continue;
 		}	
-		drawablep->shiftPos(offset);	
+		drawablep->shiftPos(offseta);	
 		drawablep->clearState(LLDrawable::ON_SHIFT_LIST);
 	}
 	mShiftList.resize(0);
@@ -2102,7 +2422,7 @@ void LLPipeline::shiftObjects(const LLVector3 &offset)
 			LLSpatialPartition* part = region->getSpatialPartition(i);
 			if (part)
 			{
-				part->shift(offset);
+				part->shift(offseta);
 			}
 		}
 	}
@@ -2134,8 +2454,7 @@ void LLPipeline::markGLRebuild(LLGLUpdate* glu)
 void LLPipeline::markRebuild(LLSpatialGroup* group, BOOL priority)
 {
 	LLMemType mt(LLMemType::MTYPE_PIPELINE);
-	//assert_main_thread();
-
+	
 	if (group && !group->isDead() && group->mSpatialPartition)
 	{
 		if (group->mSpatialPartition->mPartitionType == LLViewerRegion::PARTITION_HUD)
@@ -2637,8 +2956,10 @@ void LLPipeline::postSort(LLCamera& camera)
 			{
 				if (sMinRenderSize > 0.f)
 				{
-					LLVector3 bounds = (*k)->mExtents[1]-(*k)->mExtents[0];
-					if (llmax(llmax(bounds.mV[0], bounds.mV[1]), bounds.mV[2]) > sMinRenderSize)
+					LLVector4a bounds;
+					bounds.setSub((*k)->mExtents[1],(*k)->mExtents[0]);
+
+					if (llmax(llmax(bounds[0], bounds[1]), bounds[2]) > sMinRenderSize)
 					{
 						sCull->pushDrawInfo(j->first, *k);
 					}
@@ -3552,6 +3873,59 @@ void LLPipeline::addTrianglesDrawn(S32 index_count, U32 render_type)
 	}
 }
 
+void LLPipeline::renderPhysicsDisplay()
+{
+	if (!hasRenderDebugMask(LLPipeline::RENDER_DEBUG_PHYSICS_SHAPES))
+	{
+		return;
+	}
+
+	allocatePhysicsBuffer();
+
+	gGL.flush();
+	mPhysicsDisplay.bindTarget();
+	glClearColor(0,0,0,1);
+	gGL.setColorMask(true, true);
+	mPhysicsDisplay.clear();
+	glClearColor(0,0,0,0);
+
+	gGL.setColorMask(true, false);
+
+	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();
+				}
+			}
+		}
+	}
+
+	for (LLCullResult::bridge_list_t::const_iterator i = sCull->beginVisibleBridge(); i != sCull->endVisibleBridge(); ++i)
+	{
+		LLSpatialBridge* bridge = *i;
+		if (!bridge->isDead() && hasRenderType(bridge->mDrawableType))
+		{
+			glPushMatrix();
+			glMultMatrixf((F32*)bridge->mDrawable->getRenderMatrix().mMatrix);
+			bridge->renderPhysicsShapes();
+			glPopMatrix();
+		}
+	}
+
+
+	gGL.flush();
+	mPhysicsDisplay.flush();
+}
+
+
 void LLPipeline::renderDebug()
 {
 	LLMemType mt(LLMemType::MTYPE_PIPELINE);
@@ -3594,8 +3968,67 @@ void LLPipeline::renderDebug()
 		}
 	}
 
+	if (gSavedSettings.getBOOL("DebugShowUploadCost"))
+	{
+		std::set<LLUUID> textures;
+		std::set<LLUUID> sculpts;
+		std::set<LLUUID> meshes;
+		
+		BOOL selected = TRUE;
+		if (LLSelectMgr::getInstance()->getSelection()->isEmpty())
+		{
+			selected = FALSE;
+		}
+			
+		for (LLCullResult::sg_list_t::iterator iter = sCull->beginVisibleGroups(); iter != sCull->endVisibleGroups(); ++iter)
+		{
+			LLSpatialGroup* group = *iter;
+			LLSpatialGroup::OctreeNode* node = group->mOctreeNode;
+			for (LLSpatialGroup::OctreeNode::element_iter elem = node->getData().begin(); elem != node->getData().end(); ++elem)
+			{
+				LLDrawable* drawable = *elem;
+				LLVOVolume* volume = drawable->getVOVolume();
+				if (volume && volume->isSelected() == selected)
+				{
+					for (U32 i = 0; i < volume->getNumTEs(); ++i)
+					{
+						LLTextureEntry* te = volume->getTE(i);
+						textures.insert(te->getID());
+					}
+
+					if (volume->isSculpted())
+					{
+						LLUUID sculpt_id = volume->getVolume()->getParams().getSculptID();
+						if (volume->isMesh())
+						{
+							meshes.insert(sculpt_id);
+						}
+						else
+						{
+							sculpts.insert(sculpt_id);
+						}
+					}
+				}
+			}
+		}
+
+		gPipeline.mDebugTextureUploadCost = textures.size() * 10;
+		gPipeline.mDebugSculptUploadCost = sculpts.size()*10;
+		
+		U32 mesh_cost = 0;
+
+		for (std::set<LLUUID>::iterator iter = meshes.begin(); iter != meshes.end(); ++iter)
+		{
+			mesh_cost += gMeshRepo.getResourceCost(*iter)*10;
+		}
+
+		gPipeline.mDebugMeshUploadCost = mesh_cost;
+	}
+
 	if (hasRenderDebugMask(LLPipeline::RENDER_DEBUG_SHADOW_FRUSTA))
 	{
+		LLVertexBuffer::unbind();
+
 		LLGLEnable blend(GL_BLEND);
 		LLGLDepthTest depth(TRUE, FALSE);
 		LLGLDisable cull(GL_CULL_FACE);
@@ -3659,7 +4092,7 @@ void LLPipeline::renderDebug()
 			if (i < 4)
 			{
 				
-				if (i == 0 || !mShadowFrustPoints[i].empty())
+				//if (i == 0 || !mShadowFrustPoints[i].empty())
 				{
 					//render visible point cloud
 					gGL.flush();
@@ -3805,6 +4238,8 @@ void LLPipeline::renderDebug()
 	}
 
 	gGL.flush();
+
+	gPipeline.renderPhysicsDisplay();
 }
 
 void LLPipeline::renderForSelect(std::set<LLViewerObject*>& objects, BOOL render_transparent, const LLRect& screen_rect)
@@ -4389,7 +4824,7 @@ static F32 calc_light_dist(LLVOVolume* light, const LLVector3& cam_pos, F32 max_
 	{
 		return max_dist;
 	}
-	F32 dist = fsqrtf(dist2);
+	F32 dist = (F32) sqrt(dist2);
 	dist *= 1.f / inten;
 	dist -= radius;
 	if (selected)
@@ -4418,7 +4853,7 @@ void LLPipeline::calcNearbyLights(LLCamera& camera)
 		// 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 = gAgentCamera.getCameraPositionAgent();
+// 		LLVector3 cam_pos = gAgent.getCameraPositionAgent();
 		LLVector3 cam_pos = LLViewerJoystick::getInstance()->getOverrideCamera() ?
 						camera.getOrigin() : 
 						gAgent.getPositionAgent();
@@ -4663,8 +5098,7 @@ void LLPipeline::setupHWLights(LLDrawPool* pool)
 		glLightfv(gllight, GL_AMBIENT,  LLColor4::black.mV);
 		glLightfv(gllight, GL_SPECULAR, LLColor4::black.mV);
 	}
-
-	if (isAgentAvatarValid() &&
+	if (gAgentAvatarp &&
 		gAgentAvatarp->mSpecialRenderMode == 3)
 	{
 		LLColor4  light_color = LLColor4::white;
@@ -5082,6 +5516,18 @@ BOOL LLPipeline::toggleRenderDebugFeatureControl(void* data)
 	return gPipeline.hasRenderDebugFeatureMask(bit);
 }
 
+void LLPipeline::setRenderDebugFeatureControl(U32 bit, bool value)
+{
+	if (value)
+	{
+		gPipeline.mRenderDebugFeatureMask |= bit;
+	}
+	else
+	{
+		gPipeline.mRenderDebugFeatureMask &= !bit;
+	}
+}
+
 // static
 void LLPipeline::setRenderScriptedBeacons(BOOL val)
 {
@@ -5424,6 +5870,8 @@ void LLPipeline::resetVertexBuffers()
 	sRenderBump = gSavedSettings.getBOOL("RenderObjectBump");
 	sUseTriStrips = gSavedSettings.getBOOL("RenderUseTriStrips");
 	LLVertexBuffer::sUseStreamDraw = gSavedSettings.getBOOL("RenderUseStreamVBO");
+	sBakeSunlight = gSavedSettings.getBOOL("RenderBakeSunlight");
+	sNoAlpha = gSavedSettings.getBOOL("RenderNoAlpha");
 
 	for (LLWorld::region_list_t::const_iterator iter = LLWorld::getInstance()->getRegionList().begin(); 
 			iter != LLWorld::getInstance()->getRegionList().end(); ++iter)
@@ -5824,7 +6272,6 @@ void LLPipeline::renderBloom(BOOL for_snapshot, F32 zoom_factor, int subfield)
 	}
 	else
 	{
-
 		if (res_mod > 1)
 		{
 			tc2 /= (F32) res_mod;
@@ -5890,8 +6337,33 @@ void LLPipeline::renderBloom(BOOL for_snapshot, F32 zoom_factor, int subfield)
 		}
 	}
 	
-
 	gGL.setSceneBlendType(LLRender::BT_ALPHA);
+
+	if (hasRenderDebugMask(LLPipeline::RENDER_DEBUG_PHYSICS_SHAPES))
+	{
+		LLVector2 tc1(0,0);
+		LLVector2 tc2((F32) gViewerWindow->getWorldViewWidthRaw()*2,
+				  (F32) gViewerWindow->getWorldViewHeightRaw()*2);
+
+		LLGLEnable blend(GL_BLEND);
+		gGL.color4f(1,1,1,0.75f);
+
+		gGL.getTexUnit(0)->bind(&mPhysicsDisplay);
+
+		gGL.begin(LLRender::TRIANGLE_STRIP);
+		gGL.texCoord2f(tc1.mV[0], tc1.mV[1]);
+		gGL.vertex2f(-1,-1);
+		
+		gGL.texCoord2f(tc1.mV[0], tc2.mV[1]);
+		gGL.vertex2f(-1,3);
+		
+		gGL.texCoord2f(tc2.mV[0], tc1.mV[1]);
+		gGL.vertex2f(3,-1);
+		
+		gGL.end();
+		gGL.flush();
+	}
+
 	glMatrixMode(GL_PROJECTION);
 	glPopMatrix();
 	glMatrixMode(GL_MODELVIEW);
@@ -6350,16 +6822,15 @@ void LLPipeline::renderDeferredLighting()
 			glTexCoord4f(tc.v[0], tc.v[1], tc.v[2], 0);
 		}
 
-			glPushMatrix();
-			glLoadIdentity();
-			glMatrixMode(GL_PROJECTION);
-			glPushMatrix();
-			glLoadIdentity();
-
-			mDeferredLight[0].bindTarget();
+		glPushMatrix();
+		glLoadIdentity();
+		glMatrixMode(GL_PROJECTION);
+		glPushMatrix();
+		glLoadIdentity();
 
 		if (gSavedSettings.getBOOL("RenderDeferredSSAO") || gSavedSettings.getS32("RenderShadowDetail") > 0)
 		{
+			mDeferredLight[0].bindTarget();
 			{ //paint shadow/SSAO light map (direct lighting lightmap)
 				LLFastTimer ftm(FTM_SUN_SHADOW);
 				bindDeferredShader(gDeferredSunProgram, 0);
@@ -6400,16 +6871,9 @@ void LLPipeline::renderDeferredLighting()
 				
 				unbindDeferredShader(gDeferredSunProgram);
 			}
-		}
-			else
-			{
-			glClearColor(1,1,1,1);
-				mDeferredLight[0].clear(GL_COLOR_BUFFER_BIT);
-			glClearColor(0,0,0,0);
-			}
-
 			mDeferredLight[0].flush();
-
+		}
+		
 		{ //global illumination specific block (still experimental)
 			if (gSavedSettings.getBOOL("RenderDeferredBlurLight") &&
 			    gSavedSettings.getBOOL("RenderDeferredGI"))
@@ -6515,75 +6979,74 @@ void LLPipeline::renderDeferredLighting()
 		}
 
 		if (gSavedSettings.getBOOL("RenderDeferredSSAO"))
-			{ //soften direct lighting lightmap
-				LLFastTimer ftm(FTM_SOFTEN_SHADOW);
-				//blur lightmap
-				mDeferredLight[1].bindTarget();
+		{ //soften direct lighting lightmap
+			LLFastTimer ftm(FTM_SOFTEN_SHADOW);
+			//blur lightmap
+			mDeferredLight[1].bindTarget();
 
-				glClearColor(1,1,1,1);
-				mDeferredLight[1].clear(GL_COLOR_BUFFER_BIT);
-				glClearColor(0,0,0,0);
-				
-				bindDeferredShader(gDeferredBlurLightProgram);
+			glClearColor(1,1,1,1);
+			mDeferredLight[1].clear(GL_COLOR_BUFFER_BIT);
+			glClearColor(0,0,0,0);
+			
+			bindDeferredShader(gDeferredBlurLightProgram);
 
-				LLVector3 go = gSavedSettings.getVector3("RenderShadowGaussian");
-				const U32 kern_length = 4;
-				F32 blur_size = gSavedSettings.getF32("RenderShadowBlurSize");
-				F32 dist_factor = gSavedSettings.getF32("RenderShadowBlurDistFactor");
+			LLVector3 go = gSavedSettings.getVector3("RenderShadowGaussian");
+			const U32 kern_length = 4;
+			F32 blur_size = gSavedSettings.getF32("RenderShadowBlurSize");
+			F32 dist_factor = gSavedSettings.getF32("RenderShadowBlurDistFactor");
 
-				// sample symmetrically with the middle sample falling exactly on 0.0
-				F32 x = 0.f;
+			// sample symmetrically with the middle sample falling exactly on 0.0
+			F32 x = 0.f;
 
-				LLVector3 gauss[32]; // xweight, yweight, offset
+			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;
-				}
+			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("delta", 1.f, 0.f);
-				gDeferredBlurLightProgram.uniform1f("dist_factor", dist_factor);
-				gDeferredBlurLightProgram.uniform3fv("kern[0]", kern_length, gauss[0].mV);
-				gDeferredBlurLightProgram.uniform3fv("kern", kern_length, gauss[0].mV);
-				gDeferredBlurLightProgram.uniform1f("kern_scale", blur_size * (kern_length/2.f - 0.5f));
+			gDeferredBlurLightProgram.uniform2f("delta", 1.f, 0.f);
+			gDeferredBlurLightProgram.uniform1f("dist_factor", dist_factor);
+			gDeferredBlurLightProgram.uniform3fv("kern", kern_length, gauss[0].mV);
+			gDeferredBlurLightProgram.uniform1f("kern_scale", blur_size * (kern_length/2.f - 0.5f));
+		
+			{
+				LLGLDisable blend(GL_BLEND);
+				LLGLDepthTest depth(GL_TRUE, GL_FALSE, GL_ALWAYS);
+				stop_glerror();
+				glDrawArrays(GL_TRIANGLE_STRIP, 0, 3);
+				stop_glerror();
+			}
 			
-				{
-					LLGLDisable blend(GL_BLEND);
-					LLGLDepthTest depth(GL_TRUE, GL_FALSE, GL_ALWAYS);
-					stop_glerror();
-					glDrawArrays(GL_TRIANGLE_STRIP, 0, 3);
-					stop_glerror();
-				}
-				
-				mDeferredLight[1].flush();
-				unbindDeferredShader(gDeferredBlurLightProgram);
+			mDeferredLight[1].flush();
+			unbindDeferredShader(gDeferredBlurLightProgram);
 
-				bindDeferredShader(gDeferredBlurLightProgram, 1);
-				mDeferredLight[0].bindTarget();
+			bindDeferredShader(gDeferredBlurLightProgram, 1);
+			mDeferredLight[0].bindTarget();
 
-				gDeferredBlurLightProgram.uniform2f("delta", 0.f, 1.f);
+			gDeferredBlurLightProgram.uniform2f("delta", 0.f, 1.f);
 
-				{
-					LLGLDisable blend(GL_BLEND);
-					LLGLDepthTest depth(GL_TRUE, GL_FALSE, GL_ALWAYS);
-					stop_glerror();
-					glDrawArrays(GL_TRIANGLE_STRIP, 0, 3);
-					stop_glerror();
-				}
-				mDeferredLight[0].flush();
-				unbindDeferredShader(gDeferredBlurLightProgram);
+			{
+				LLGLDisable blend(GL_BLEND);
+				LLGLDepthTest depth(GL_TRUE, GL_FALSE, GL_ALWAYS);
+				stop_glerror();
+				glDrawArrays(GL_TRIANGLE_STRIP, 0, 3);
+				stop_glerror();
 			}
+			mDeferredLight[0].flush();
+			unbindDeferredShader(gDeferredBlurLightProgram);
+		}
 
-			stop_glerror();
-			glPopMatrix();
-			stop_glerror();
-			glMatrixMode(GL_MODELVIEW);
-			stop_glerror();
-			glPopMatrix();
-			stop_glerror();
+		stop_glerror();
+		glPopMatrix();
+		stop_glerror();
+		glMatrixMode(GL_MODELVIEW);
+		stop_glerror();
+		glPopMatrix();
+		stop_glerror();
 
 		//copy depth and stencil from deferred screen
 		//mScreen.copyContents(mDeferredScreen, 0, 0, mDeferredScreen.getWidth(), mDeferredScreen.getHeight(),
@@ -6649,10 +7112,8 @@ void LLPipeline::renderDeferredLighting()
 			gPipeline.popRenderTypeMask();
 		}
 
-		BOOL render_local = gSavedSettings.getBOOL("RenderDeferredLocalLights");
-		BOOL render_fullscreen = gSavedSettings.getBOOL("RenderDeferredFullscreenLights");
-		
-
+		BOOL render_local = gSavedSettings.getBOOL("RenderLocalLights");
+				
 		if (LLViewerShaderMgr::instance()->getVertexShaderLevel(LLViewerShaderMgr::SHADER_DEFERRED) > 2)
 		{
 			mDeferredLight[1].flush();
@@ -6660,7 +7121,7 @@ void LLPipeline::renderDeferredLighting()
 			mDeferredLight[2].clear(GL_COLOR_BUFFER_BIT);
 		}
 
-		if (render_local || render_fullscreen)
+		if (render_local)
 		{
 			gGL.setSceneBlendType(LLRender::BT_ADD);
 			std::list<LLVector4> fullscreen_lights;
@@ -6676,8 +7137,7 @@ void LLPipeline::renderDeferredLighting()
 
 			F32 v[24];
 			glVertexPointer(3, GL_FLOAT, 0, v);
-			BOOL render_local = gSavedSettings.getBOOL("RenderDeferredLocalLights");
-
+			
 			{
 				bindDeferredShader(gDeferredLightProgram);
 				LLGLDepthTest depth(GL_TRUE, GL_FALSE);
@@ -6700,8 +7160,9 @@ void LLPipeline::renderDeferredLighting()
 					}
 
 
-					LLVector3 center = drawablep->getPositionAgent();
-					F32* c = center.mV;
+					LLVector4a center;
+					center.load3(drawablep->getPositionAgent().mV);
+					const F32* c = center.getF32ptr();
 					F32 s = volume->getLightRadius()*1.5f;
 
 					LLColor3 col = volume->getLightColor();
@@ -6717,7 +7178,9 @@ void LLPipeline::renderDeferredLighting()
 						continue;
 					}
 
-					if (camera->AABBInFrustumNoFarClip(center, LLVector3(s,s,s)) == 0)
+					LLVector4a sa;
+					sa.splat(s);
+					if (camera->AABBInFrustumNoFarClip(center, sa) == 0)
 					{
 						continue;
 					}
@@ -6765,7 +7228,7 @@ void LLPipeline::renderDeferredLighting()
 							stop_glerror();
 						}
 					}
-					else if (render_fullscreen)
+					else
 					{	
 						if (volume->isLightSpotlight())
 						{
@@ -6795,8 +7258,9 @@ void LLPipeline::renderDeferredLighting()
 
 					LLVOVolume* volume = drawablep->getVOVolume();
 
-					LLVector3 center = drawablep->getPositionAgent();
-					F32* c = center.mV;
+					LLVector4a center;
+					center.load3(drawablep->getPositionAgent().mV);
+					const F32* c = center.getF32ptr();
 					F32 s = volume->getLightRadius()*1.5f;
 
 					sVisibleLightCount++;
@@ -6868,9 +7332,7 @@ void LLPipeline::renderDeferredLighting()
 					if (count == max_count || fullscreen_lights.empty())
 					{
 						gDeferredMultiLightProgram.uniform1i("light_count", count);
-						gDeferredMultiLightProgram.uniform4fv("light[0]", count, (GLfloat*) light);
 						gDeferredMultiLightProgram.uniform4fv("light", count, (GLfloat*) light);
-						gDeferredMultiLightProgram.uniform4fv("light_col[0]", count, (GLfloat*) col);
 						gDeferredMultiLightProgram.uniform4fv("light_col", count, (GLfloat*) col);
 						gDeferredMultiLightProgram.uniform1f("far_z", far_z);
 						far_z = 0.f;
@@ -7364,7 +7826,7 @@ void LLPipeline::generateWaterReflection(LLCamera& camera_in)
 					LLGLDisable cull(GL_CULL_FACE);
 					updateCull(camera, ref_result, 1);
 					stateSort(camera, ref_result);
-				}
+				}	
 				
 			if (LLDrawPoolWater::sNeedsDistortionUpdate)
 			{
@@ -7726,7 +8188,7 @@ BOOL LLPipeline::getVisiblePointCloud(LLCamera& camera, LLVector3& min, LLVector
 		0,1,
 		1,2,
 		2,3,
-		3,1,
+		3,0,
 
 		4,5,
 		5,6,
@@ -8128,6 +8590,14 @@ void LLPipeline::generateSunShadow(LLCamera& camera)
 	LLVector3 n = gSavedSettings.getVector3("RenderShadowNearDist");
 	//F32 nearDist[] = { n.mV[0], n.mV[1], n.mV[2], n.mV[2] };
 
+	//put together a universal "near clip" plane for shadow frusta
+	LLPlane shadow_near_clip;
+	{
+		LLVector3 p = gAgent.getPositionAgent();
+		p += mSunDir * gSavedSettings.getF32("RenderFarClip")*2.f;
+		shadow_near_clip.setVec(p, mSunDir);
+	}
+
 	LLVector3 lightDir = -mSunDir;
 	lightDir.normVec();
 
@@ -8562,7 +9032,8 @@ void LLPipeline::generateSunShadow(LLCamera& camera)
 
 		LLViewerCamera::updateFrustumPlanes(shadow_cam, FALSE, FALSE, TRUE);
 
-		shadow_cam.ignoreAgentFrustumPlane(LLCamera::AGENT_PLANE_NEAR);
+		//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,
@@ -8608,152 +9079,137 @@ void LLPipeline::generateSunShadow(LLCamera& camera)
 
 	
 	//hack to disable projector shadows 
-	static bool clear = true;
 	bool gen_shadow = gSavedSettings.getS32("RenderShadowDetail") > 1;
 
 	if (gen_shadow)
 	{
-		clear = true;
-	F32 fade_amt = gFrameIntervalSeconds * llmax(LLViewerCamera::getInstance()->getVelocityStat()->getCurrentPerSec(), 1.f);
-
-	//update shadow targets
-	for (U32 i = 0; i < 2; i++)
-	{ //for each current shadow
-		LLViewerCamera::sCurCameraID = LLViewerCamera::CAMERA_SHADOW4+i;
+		F32 fade_amt = gFrameIntervalSeconds * llmax(LLViewerCamera::getInstance()->getVelocityStat()->getCurrentPerSec(), 1.f);
 
-		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];
+		//update shadow targets
+		for (U32 i = 0; i < 2; i++)
+		{ //for each current shadow
+			LLViewerCamera::sCurCameraID = LLViewerCamera::CAMERA_SHADOW4+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];
+					}
 				}
 			}
 		}
-	}
-
-	for (S32 i = 0; i < 2; i++)
-	{
-		glh_set_current_modelview(saved_view);
-		glh_set_current_projection(saved_proj);
 
-		if (mShadowSpotLight[i].isNull())
+		for (S32 i = 0; i < 2; i++)
 		{
-			continue;
-		}
+			glh_set_current_modelview(saved_view);
+			glh_set_current_projection(saved_proj);
 
-		LLVOVolume* volume = mShadowSpotLight[i]->getVOVolume();
+			if (mShadowSpotLight[i].isNull())
+			{
+				continue;
+			}
 
-		if (!volume)
-		{
-			mShadowSpotLight[i] = NULL;
-			continue;
-		}
+			LLVOVolume* volume = mShadowSpotLight[i]->getVOVolume();
 
-		LLDrawable* drawable = mShadowSpotLight[i];
+			if (!volume)
+			{
+				mShadowSpotLight[i] = NULL;
+				continue;
+			}
 
-		LLVector3 params = volume->getSpotLightParams();
-		F32 fov = params.mV[0];
+			LLDrawable* drawable = mShadowSpotLight[i];
 
-		//get agent->light space matrix (modelview)
-		LLVector3 center = drawable->getPositionAgent();
-		LLQuaternion quat = volume->getRenderRotation();
+			LLVector3 params = volume->getSpotLightParams();
+			F32 fov = params.mV[0];
 
-		//get near clip plane
-		LLVector3 scale = volume->getScale();
-		LLVector3 at_axis(0,0,-scale.mV[2]*0.5f);
-		at_axis *= quat;
+			//get agent->light space matrix (modelview)
+			LLVector3 center = drawable->getPositionAgent();
+			LLQuaternion quat = volume->getRenderRotation();
 
-		LLVector3 np = center+at_axis;
-		at_axis.normVec();
+			//get near clip plane
+			LLVector3 scale = volume->getScale();
+			LLVector3 at_axis(0,0,-scale.mV[2]*0.5f);
+			at_axis *= quat;
 
-		//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 np = center+at_axis;
+			at_axis.normVec();
 
-		LLVector3 origin = np - at_axis*dist;
+			//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);
 
-		LLMatrix4 mat(quat, LLVector4(origin, 1.f));
+			LLVector3 origin = np - at_axis*dist;
 
-		view[i+4] = glh::matrix4f((F32*) mat.mMatrix);
+			LLMatrix4 mat(quat, LLVector4(origin, 1.f));
 
-		view[i+4] = view[i+4].inverse();
+			view[i+4] = glh::matrix4f((F32*) mat.mMatrix);
 
-		//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;
+			view[i+4] = view[i+4].inverse();
 
-		F32 fovy = fov * RAD_TO_DEG;
-		F32 aspect = width/height;
-		
-		proj[i+4] = gl_perspective(fovy, aspect, near_clip, far_clip);
+			//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;
 
-		//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);
+			F32 fovy = fov * RAD_TO_DEG;
+			F32 aspect = width/height;
+			
+			proj[i+4] = gl_perspective(fovy, aspect, near_clip, far_clip);
 
-		glh_set_current_modelview(view[i+4]);
-		glh_set_current_projection(proj[i+4]);
+			//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);
 
-		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];
-		}
+			glh_set_current_modelview(view[i+4]);
+			glh_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];
+			mShadowModelview[i+4] = view[i+4];
+			mShadowProjection[i+4] = proj[i+4];
 
-		LLCamera shadow_cam = camera;
-		shadow_cam.setFar(far_clip);
-		shadow_cam.setOrigin(origin);
+			LLCamera shadow_cam = camera;
+			shadow_cam.setFar(far_clip);
+			shadow_cam.setOrigin(origin);
 
-		LLViewerCamera::updateFrustumPlanes(shadow_cam, FALSE, FALSE, TRUE);
+			LLViewerCamera::updateFrustumPlanes(shadow_cam, FALSE, FALSE, TRUE);
 
-		stop_glerror();
+			stop_glerror();
 
-		mShadow[i+4].bindTarget();
-		mShadow[i+4].getViewport(gGLViewport);
+			mShadow[i+4].bindTarget();
+			mShadow[i+4].getViewport(gGLViewport);
 
-		static LLCullResult result[2];
+			static LLCullResult result[2];
 
-		LLViewerCamera::sCurCameraID = LLViewerCamera::CAMERA_SHADOW0+i+4;
+			LLViewerCamera::sCurCameraID = LLViewerCamera::CAMERA_SHADOW0+i+4;
 
-		renderShadow(view[i+4], proj[i+4], shadow_cam, result[i], FALSE, FALSE);
+			renderShadow(view[i+4], proj[i+4], shadow_cam, result[i], FALSE, FALSE);
 
-		mShadow[i+4].flush();
- 	}
-	}
-	else
-	{
-		if (clear)
-		{
-			clear = false;
-			for (U32 i = 4; i < 6; i++)
-			{
-				mShadow[i].bindTarget();
-				mShadow[i].clear();
-				mShadow[i].flush();
-			}
-		}
+			mShadow[i+4].flush();
+ 		}
 	}
 
 	if (!gSavedSettings.getBOOL("CameraOffset"))
@@ -8873,7 +9329,7 @@ void LLPipeline::generateImpostor(LLVOAvatar* avatar)
 
 	stateSort(*LLViewerCamera::getInstance(), result);
 	
-	const LLVector3* ext = avatar->mDrawable->getSpatialExtents();
+	const LLVector4a* ext = avatar->mDrawable->getSpatialExtents();
 	LLVector3 pos(avatar->getRenderPosition()+avatar->getImpostorOffset());
 
 	LLCamera camera = *viewer_camera;
@@ -8882,18 +9338,23 @@ void LLPipeline::generateImpostor(LLVOAvatar* avatar)
 	
 	LLVector2 tdim;
 
-	LLVector3 half_height = (ext[1]-ext[0])*0.5f;
 
-	LLVector3 left = camera.getLeftAxis();
-	left *= left;
-	left.normalize();
+	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);
+	left.normalize3fast();
 
-	LLVector3 up = camera.getUpAxis();
-	up *= up;
-	up.normalize();
+	LLVector4a up;
+	up.load3(camera.getUpAxis().mV);
+	up.mul(up);
+	up.normalize3fast();
 
-	tdim.mV[0] = fabsf(half_height * left);
-	tdim.mV[1] = fabsf(half_height * up);
+	tdim.mV[0] = fabsf(half_height.dot3(left).getF32());
+	tdim.mV[1] = fabsf(half_height.dot3(up).getF32());
 
 	glMatrixMode(GL_PROJECTION);
 	glPushMatrix();