Optimiziation pass.

Added RenderUseStreamVBO to enable/disable usage of VBO's for streaming buffers.
Faster traversal of LLCullResult members.
Removal of llpushcallstacks from inner loops.
Sprinkling in fast timers.

14 files changed, 160 insertions, 85 deletions

diff --git a/indra/llrender/llglslshader.cpp b/indra/llrender/llglslshader.cpp
index ca92cb6580..2b3179116d 100644
--- a/indra/llrender/llglslshader.cpp
+++ b/indra/llrender/llglslshader.cpp
@@ -343,8 +343,11 @@ BOOL LLGLSLShader::link(BOOL suppress_errors)
 	return LLShaderMgr::instance()->linkProgramObject(mProgramObject, suppress_errors);
 }
 
+static LLFastTimer::DeclareTimer FTM_BIND_SHADER("Bind Shader");
+
 void LLGLSLShader::bind()
 {
+	LLFastTimer ftm(FTM_BIND_SHADER);
 	if (gGLManager.mHasShaderObjects)
 	{
 		glUseProgramObjectARB(mProgramObject);
@@ -357,8 +360,11 @@ void LLGLSLShader::bind()
 	}
 }
 
+static LLFastTimer::DeclareTimer FTM_UNBIND_SHADER("Unbind Shader");
+
 void LLGLSLShader::unbind()
 {
+	LLFastTimer ftm(FTM_UNBIND_SHADER);
 	if (gGLManager.mHasShaderObjects)
 	{
 		stop_glerror();
diff --git a/indra/llrender/llvertexbuffer.cpp b/indra/llrender/llvertexbuffer.cpp
index bf5eda21eb..ae43915a9d 100644
--- a/indra/llrender/llvertexbuffer.cpp
+++ b/indra/llrender/llvertexbuffer.cpp
@@ -61,6 +61,7 @@ BOOL LLVertexBuffer::sVBOActive = FALSE;
 BOOL LLVertexBuffer::sIBOActive = FALSE;
 U32 LLVertexBuffer::sAllocatedBytes = 0;
 BOOL LLVertexBuffer::sMapped = FALSE;
+BOOL LLVertexBuffer::sUseStreamDraw = TRUE;
 
 std::vector<U32> LLVertexBuffer::sDeleteList;
 
@@ -381,6 +382,11 @@ LLVertexBuffer::LLVertexBuffer(U32 typemask, S32 usage) :
 	{
 		mUsage = 0 ; 
 	}
+
+	if (mUsage == GL_STREAM_DRAW_ARB && !sUseStreamDraw)
+	{
+		mUsage = 0;
+	}
 	
 	S32 stride = calcStride(typemask, mOffsets);
 
diff --git a/indra/llrender/llvertexbuffer.h b/indra/llrender/llvertexbuffer.h
index b785a22976..e2fecdffef 100644
--- a/indra/llrender/llvertexbuffer.h
+++ b/indra/llrender/llvertexbuffer.h
@@ -83,6 +83,8 @@ public:
 	static LLVBOPool sDynamicVBOPool;
 	static LLVBOPool sStreamIBOPool;
 	static LLVBOPool sDynamicIBOPool;
+	
+	static BOOL	sUseStreamDraw;
 
 	static void initClass(bool use_vbo);
 	static void cleanupClass();
diff --git a/indra/newview/app_settings/settings.xml b/indra/newview/app_settings/settings.xml
index 6bfa42785f..1dc90280a2 100644
--- a/indra/newview/app_settings/settings.xml
+++ b/indra/newview/app_settings/settings.xml
@@ -7542,6 +7542,17 @@
       <key>Value</key>
       <integer>1</integer>
     </map>
+  <key>RenderUseStreamVBO</key>
+  <map>
+    <key>Comment</key>
+    <string>Use VBO's for stream buffers</string>
+    <key>Persist</key>
+    <integer>1</integer>
+    <key>Type</key>
+    <string>Boolean</string>
+    <key>Value</key>
+    <integer>1</integer>
+  </map>
     <key>RenderVolumeLODFactor</key>
     <map>
       <key>Comment</key>
diff --git a/indra/newview/lldrawable.cpp b/indra/newview/lldrawable.cpp
index 38eda5bd2e..013577261c 100644
--- a/indra/newview/lldrawable.cpp
+++ b/indra/newview/lldrawable.cpp
@@ -673,8 +673,11 @@ BOOL LLDrawable::updateMoveDamped()
 	return done_moving;
 }
 
+static LLFastTimer::DeclareTimer FTM_UPDATE_DISTANCE("Update Distance");
+
 void LLDrawable::updateDistance(LLCamera& camera, bool force_update)
 {
+	LLFastTimer t(FTM_UPDATE_DISTANCE);
 	if (LLViewerCamera::sCurCameraID != LLViewerCamera::CAMERA_WORLD)
 	{
 		llerrs << "WTF?" << llendl;
@@ -1307,8 +1310,12 @@ void LLSpatialBridge::setVisible(LLCamera& camera_in, std::vector<LLDrawable*>*
 	}
 }
 
+static LLFastTimer::DeclareTimer FTM_BRIDGE_DISTANCE_UPDATE("Bridge Distance");
+
 void LLSpatialBridge::updateDistance(LLCamera& camera_in, bool force_update)
 {
+	LLFastTimer t(FTM_BRIDGE_DISTANCE_UPDATE);
+
 	if (mDrawable == NULL)
 	{
 		markDead();
diff --git a/indra/newview/lldrawpool.cpp b/indra/newview/lldrawpool.cpp
index ef946ac49e..ae30af3647 100644
--- a/indra/newview/lldrawpool.cpp
+++ b/indra/newview/lldrawpool.cpp
@@ -442,7 +442,6 @@ void LLRenderPass::renderTexture(U32 type, U32 mask)
 
 void LLRenderPass::pushBatches(U32 type, U32 mask, BOOL texture)
 {
-	llpushcallstacks ;
 	for (LLCullResult::drawinfo_list_t::iterator i = gPipeline.beginRenderMap(type); i != gPipeline.endRenderMap(type); ++i)	
 	{
 		LLDrawInfo* pparams = *i;
@@ -475,6 +474,7 @@ void LLRenderPass::pushBatch(LLDrawInfo& params, U32 mask, BOOL texture)
 	{
 		if (params.mTexture.notNull())
 		{
+			params.mTexture->addTextureStats(params.mVSize);
 			gGL.getTexUnit(0)->bind(params.mTexture, TRUE) ;
 			if (params.mTextureMatrix)
 			{
diff --git a/indra/newview/lldrawpoolalpha.cpp b/indra/newview/lldrawpoolalpha.cpp
index 875c9ac6a9..75973cfa54 100644
--- a/indra/newview/lldrawpoolalpha.cpp
+++ b/indra/newview/lldrawpoolalpha.cpp
@@ -294,96 +294,98 @@ void LLDrawPoolAlpha::renderAlpha(U32 mask)
 
 				LLRenderPass::applyModelMatrix(params);
 
-				if (params.mFullbright)
 				{
-					// Turn off lighting if it hasn't already been so.
-					if (light_enabled || !initialized_lighting)
+					if (params.mFullbright)
+					{
+						// Turn off lighting if it hasn't already been so.
+						if (light_enabled || !initialized_lighting)
+						{
+							initialized_lighting = TRUE;
+							if (use_shaders) 
+							{
+								target_shader = fullbright_shader;
+							}
+							else
+							{
+								gPipeline.enableLightsFullbright(LLColor4(1,1,1,1));
+							}
+							light_enabled = FALSE;
+						}
+					}
+					// Turn on lighting if it isn't already.
+					else if (!light_enabled || !initialized_lighting)
 					{
 						initialized_lighting = TRUE;
 						if (use_shaders) 
 						{
-							target_shader = fullbright_shader;
+							target_shader = simple_shader;
 						}
 						else
 						{
-							gPipeline.enableLightsFullbright(LLColor4(1,1,1,1));
+							gPipeline.enableLightsDynamic();
 						}
-						light_enabled = FALSE;
+						light_enabled = TRUE;
 					}
-				}
-				// Turn on lighting if it isn't already.
-				else if (!light_enabled || !initialized_lighting)
-				{
-					initialized_lighting = TRUE;
-					if (use_shaders) 
-					{
-						target_shader = simple_shader;
-					}
-					else
-					{
-						gPipeline.enableLightsDynamic();
-					}
-					light_enabled = TRUE;
-				}
 
-				// If we need shaders, and we're not ALREADY using the proper shader, then bind it
-				// (this way we won't rebind shaders unnecessarily).
-				if(use_shaders && (current_shader != target_shader))
-				{
-					llassert(target_shader != NULL);
-					if (deferred_render && current_shader != NULL)
-					{
-						gPipeline.unbindDeferredShader(*current_shader);
-						diffuse_channel = 0;
-					}
-					current_shader = target_shader;
-					if (deferred_render)
-					{
-						gPipeline.bindDeferredShader(*current_shader);
-						diffuse_channel = current_shader->enableTexture(LLViewerShaderMgr::DIFFUSE_MAP);
-					}
-					else
+					// If we need shaders, and we're not ALREADY using the proper shader, then bind it
+					// (this way we won't rebind shaders unnecessarily).
+					if(use_shaders && (current_shader != target_shader))
 					{
-						current_shader->bind();
+						llassert(target_shader != NULL);
+						if (deferred_render && current_shader != NULL)
+						{
+							gPipeline.unbindDeferredShader(*current_shader);
+							diffuse_channel = 0;
+						}
+						current_shader = target_shader;
+						if (deferred_render)
+						{
+							gPipeline.bindDeferredShader(*current_shader);
+							diffuse_channel = current_shader->enableTexture(LLViewerShaderMgr::DIFFUSE_MAP);
+						}
+						else
+						{
+							current_shader->bind();
+						}
 					}
-				}
-				else if (!use_shaders && current_shader != NULL)
-				{
-					if (deferred_render)
+					else if (!use_shaders && current_shader != NULL)
 					{
-						gPipeline.unbindDeferredShader(*current_shader);
-						diffuse_channel = 0;
+						if (deferred_render)
+						{
+							gPipeline.unbindDeferredShader(*current_shader);
+							diffuse_channel = 0;
+						}
+						LLGLSLShader::bindNoShader();
+						current_shader = NULL;
 					}
-					LLGLSLShader::bindNoShader();
-					current_shader = NULL;
-				}
-
-				if (params.mGroup)
-				{
-					params.mGroup->rebuildMesh();
-				}
 
-				
-				if (params.mTexture.notNull())
-				{
-					gGL.getTexUnit(diffuse_channel)->bind(params.mTexture.get());
-					if(params.mTexture.notNull())
+					if (params.mGroup)
 					{
-						params.mTexture->addTextureStats(params.mVSize);
+						params.mGroup->rebuildMesh();
 					}
-					if (params.mTextureMatrix)
+
+					
+					if (params.mTexture.notNull())
 					{
-						gGL.getTexUnit(0)->activate();
-						glMatrixMode(GL_TEXTURE);
-						glLoadMatrixf((GLfloat*) params.mTextureMatrix->mMatrix);
-						gPipeline.mTextureMatrixOps++;
+						gGL.getTexUnit(diffuse_channel)->bind(params.mTexture.get());
+						if(params.mTexture.notNull())
+						{
+							params.mTexture->addTextureStats(params.mVSize);
+						}
+						if (params.mTextureMatrix)
+						{
+							gGL.getTexUnit(0)->activate();
+							glMatrixMode(GL_TEXTURE);
+							glLoadMatrixf((GLfloat*) params.mTextureMatrix->mMatrix);
+							gPipeline.mTextureMatrixOps++;
+						}
 					}
 				}
 
 				params.mVertexBuffer->setBuffer(mask);
 				params.mVertexBuffer->drawRange(params.mDrawMode, params.mStart, params.mEnd, params.mCount, params.mOffset);
 				gPipeline.addTrianglesDrawn(params.mCount, params.mDrawMode);
-
+			
 				if (params.mTextureMatrix && params.mTexture.notNull())
 				{
 					gGL.getTexUnit(0)->activate();
diff --git a/indra/newview/lldrawpoolbump.cpp b/indra/newview/lldrawpoolbump.cpp
index a4a8dc80b5..8f3e775976 100644
--- a/indra/newview/lldrawpoolbump.cpp
+++ b/indra/newview/lldrawpoolbump.cpp
@@ -837,7 +837,6 @@ void LLBumpImageList::addTextureStats(U8 bump, const LLUUID& base_image_id, F32
 
 void LLBumpImageList::updateImages()
 {	
-	llpushcallstacks ;
 	for (bump_image_map_t::iterator iter = mBrightnessEntries.begin(); iter != mBrightnessEntries.end(); )
 	{
 		bump_image_map_t::iterator curiter = iter++;
@@ -864,7 +863,7 @@ void LLBumpImageList::updateImages()
 			}
 		}
 	}
-	llpushcallstacks ;
+	
 	for (bump_image_map_t::iterator iter = mDarknessEntries.begin(); iter != mDarknessEntries.end(); )
 	{
 		bump_image_map_t::iterator curiter = iter++;
@@ -891,7 +890,6 @@ void LLBumpImageList::updateImages()
 			}
 		}
 	}
-	llpushcallstacks ;
 }
 
 
diff --git a/indra/newview/llface.cpp b/indra/newview/llface.cpp
index 9de69a8173..8d86070bdf 100644
--- a/indra/newview/llface.cpp
+++ b/indra/newview/llface.cpp
@@ -862,12 +862,14 @@ void LLFace::updateRebuildFlags()
 	}
 }
 
+static LLFastTimer::DeclareTimer FTM_FACE_GET_GEOM("Face Geom");
+
 BOOL LLFace::getGeometryVolume(const LLVolume& volume,
 							   const S32 &f,
 								const LLMatrix4& mat_vert, const LLMatrix3& mat_normal,
 								const U16 &index_offset)
 {
-	llpushcallstacks ;
+	LLFastTimer t(FTM_FACE_GET_GEOM);
 	const LLVolumeFace &vf = volume.getVolumeFace(f);
 	S32 num_vertices = (S32)vf.mVertices.size();
 	S32 num_indices = LLPipeline::sUseTriStrips ? (S32)vf.mTriStrip.size() : (S32) vf.mIndices.size();
diff --git a/indra/newview/llspatialpartition.cpp b/indra/newview/llspatialpartition.cpp
index d6e9256fee..cf1e3bf186 100644
--- a/indra/newview/llspatialpartition.cpp
+++ b/indra/newview/llspatialpartition.cpp
@@ -1513,6 +1513,7 @@ void LLSpatialGroup::checkOcclusion()
 {
 	if (LLPipeline::sUseOcclusion > 1)
 	{
+		LLFastTimer t(FTM_OCCLUSION_READBACK);
 		LLSpatialGroup* parent = getParent();
 		if (parent && parent->isOcclusionState(LLSpatialGroup::OCCLUDED))
 		{	//if the parent has been marked as occluded, the child is implicitly occluded
@@ -1520,7 +1521,6 @@ void LLSpatialGroup::checkOcclusion()
 		}
 		else if (isOcclusionState(QUERY_PENDING))
 		{	//otherwise, if a query is pending, read it back
-			LLFastTimer t(FTM_OCCLUSION_READBACK);
 			GLuint res = 1;
 			if (!isOcclusionState(DISCARD_QUERY) && mOcclusionQuery[LLViewerCamera::sCurCameraID])
 			{
@@ -3423,11 +3423,23 @@ LLCullResult::LLCullResult()
 void LLCullResult::clear()
 {
 	mVisibleGroupsSize = 0;
+	mVisibleGroupsEnd = mVisibleGroups.begin();
+
 	mAlphaGroupsSize = 0;
+	mAlphaGroupsEnd = mAlphaGroups.begin();
+
 	mOcclusionGroupsSize = 0;
+	mOcclusionGroupsEnd = mOcclusionGroups.begin();
+
 	mDrawableGroupsSize = 0;
+	mDrawableGroupsEnd = mDrawableGroups.begin();
+
 	mVisibleListSize = 0;
+	mVisibleListEnd = mVisibleList.begin();
+
 	mVisibleBridgeSize = 0;
+	mVisibleBridgeEnd = mVisibleBridge.begin();
+
 
 	for (U32 i = 0; i < LLRenderPass::NUM_RENDER_TYPES; i++)
 	{
@@ -3436,6 +3448,7 @@ void LLCullResult::clear()
 			mRenderMap[i][j] = 0;
 		}
 		mRenderMapSize[i] = 0;
+		mRenderMapEnd[i] = mRenderMap[i].begin();
 	}
 }
 
@@ -3446,7 +3459,7 @@ LLCullResult::sg_list_t::iterator LLCullResult::beginVisibleGroups()
 
 LLCullResult::sg_list_t::iterator LLCullResult::endVisibleGroups()
 {
-	return mVisibleGroups.begin() + mVisibleGroupsSize;
+	return mVisibleGroupsEnd;
 }
 
 LLCullResult::sg_list_t::iterator LLCullResult::beginAlphaGroups()
@@ -3456,7 +3469,7 @@ LLCullResult::sg_list_t::iterator LLCullResult::beginAlphaGroups()
 
 LLCullResult::sg_list_t::iterator LLCullResult::endAlphaGroups()
 {
-	return mAlphaGroups.begin() + mAlphaGroupsSize;
+	return mAlphaGroupsEnd;
 }
 
 LLCullResult::sg_list_t::iterator LLCullResult::beginOcclusionGroups()
@@ -3466,7 +3479,7 @@ LLCullResult::sg_list_t::iterator LLCullResult::beginOcclusionGroups()
 
 LLCullResult::sg_list_t::iterator LLCullResult::endOcclusionGroups()
 {
-	return mOcclusionGroups.begin() + mOcclusionGroupsSize;
+	return mOcclusionGroupsEnd;
 }
 
 LLCullResult::sg_list_t::iterator LLCullResult::beginDrawableGroups()
@@ -3476,7 +3489,7 @@ LLCullResult::sg_list_t::iterator LLCullResult::beginDrawableGroups()
 
 LLCullResult::sg_list_t::iterator LLCullResult::endDrawableGroups()
 {
-	return mDrawableGroups.begin() + mDrawableGroupsSize;
+	return mDrawableGroupsEnd;
 }
 
 LLCullResult::drawable_list_t::iterator LLCullResult::beginVisibleList()
@@ -3486,7 +3499,7 @@ LLCullResult::drawable_list_t::iterator LLCullResult::beginVisibleList()
 
 LLCullResult::drawable_list_t::iterator LLCullResult::endVisibleList()
 {
-	return mVisibleList.begin() + mVisibleListSize;
+	return mVisibleListEnd;
 }
 
 LLCullResult::bridge_list_t::iterator LLCullResult::beginVisibleBridge()
@@ -3496,7 +3509,7 @@ LLCullResult::bridge_list_t::iterator LLCullResult::beginVisibleBridge()
 
 LLCullResult::bridge_list_t::iterator LLCullResult::endVisibleBridge()
 {
-	return mVisibleBridge.begin() + mVisibleBridgeSize;
+	return mVisibleBridgeEnd;
 }
 
 LLCullResult::drawinfo_list_t::iterator LLCullResult::beginRenderMap(U32 type)
@@ -3506,7 +3519,7 @@ LLCullResult::drawinfo_list_t::iterator LLCullResult::beginRenderMap(U32 type)
 
 LLCullResult::drawinfo_list_t::iterator LLCullResult::endRenderMap(U32 type)
 {
-	return mRenderMap[type].begin() + mRenderMapSize[type];
+	return mRenderMapEnd[type];
 }
 
 void LLCullResult::pushVisibleGroup(LLSpatialGroup* group)
@@ -3520,6 +3533,7 @@ void LLCullResult::pushVisibleGroup(LLSpatialGroup* group)
 		mVisibleGroups.push_back(group);
 	}
 	++mVisibleGroupsSize;
+	mVisibleGroupsEnd = mVisibleGroups.begin()+mVisibleGroupsSize;
 }
 
 void LLCullResult::pushAlphaGroup(LLSpatialGroup* group)
@@ -3533,6 +3547,7 @@ void LLCullResult::pushAlphaGroup(LLSpatialGroup* group)
 		mAlphaGroups.push_back(group);
 	}
 	++mAlphaGroupsSize;
+	mAlphaGroupsEnd = mAlphaGroups.begin()+mAlphaGroupsSize;
 }
 
 void LLCullResult::pushOcclusionGroup(LLSpatialGroup* group)
@@ -3546,6 +3561,7 @@ void LLCullResult::pushOcclusionGroup(LLSpatialGroup* group)
 		mOcclusionGroups.push_back(group);
 	}
 	++mOcclusionGroupsSize;
+	mOcclusionGroupsEnd = mOcclusionGroups.begin()+mOcclusionGroupsSize;
 }
 
 void LLCullResult::pushDrawableGroup(LLSpatialGroup* group)
@@ -3559,6 +3575,7 @@ void LLCullResult::pushDrawableGroup(LLSpatialGroup* group)
 		mDrawableGroups.push_back(group);
 	}
 	++mDrawableGroupsSize;
+	mDrawableGroupsEnd = mDrawableGroups.begin()+mDrawableGroupsSize;
 }
 
 void LLCullResult::pushDrawable(LLDrawable* drawable)
@@ -3572,6 +3589,7 @@ void LLCullResult::pushDrawable(LLDrawable* drawable)
 		mVisibleList.push_back(drawable);
 	}
 	++mVisibleListSize;
+	mVisibleListEnd = mVisibleList.begin()+mVisibleListSize;
 }
 
 void LLCullResult::pushBridge(LLSpatialBridge* bridge)
@@ -3585,6 +3603,7 @@ void LLCullResult::pushBridge(LLSpatialBridge* bridge)
 		mVisibleBridge.push_back(bridge);
 	}
 	++mVisibleBridgeSize;
+	mVisibleBridgeEnd = mVisibleBridge.begin()+mVisibleBridgeSize;
 }
 
 void LLCullResult::pushDrawInfo(U32 type, LLDrawInfo* draw_info)
@@ -3598,6 +3617,7 @@ void LLCullResult::pushDrawInfo(U32 type, LLDrawInfo* draw_info)
 		mRenderMap[type].push_back(draw_info);
 	}
 	++mRenderMapSize[type];
+	mRenderMapEnd[type] = mRenderMap[type].begin() + mRenderMapSize[type];
 }
 
 
diff --git a/indra/newview/llspatialpartition.h b/indra/newview/llspatialpartition.h
index 7896488379..de3745a1a3 100644
--- a/indra/newview/llspatialpartition.h
+++ b/indra/newview/llspatialpartition.h
@@ -534,12 +534,19 @@ private:
 	U32					mRenderMapSize[LLRenderPass::NUM_RENDER_TYPES];
 
 	sg_list_t			mVisibleGroups;
+	sg_list_t::iterator mVisibleGroupsEnd;
 	sg_list_t			mAlphaGroups;
+	sg_list_t::iterator mAlphaGroupsEnd;
 	sg_list_t			mOcclusionGroups;
+	sg_list_t::iterator	mOcclusionGroupsEnd;
 	sg_list_t			mDrawableGroups;
+	sg_list_t::iterator mDrawableGroupsEnd;
 	drawable_list_t		mVisibleList;
+	drawable_list_t::iterator mVisibleListEnd;
 	bridge_list_t		mVisibleBridge;
+	bridge_list_t::iterator mVisibleBridgeEnd;
 	drawinfo_list_t		mRenderMap[LLRenderPass::NUM_RENDER_TYPES];
+	drawinfo_list_t::iterator mRenderMapEnd[LLRenderPass::NUM_RENDER_TYPES];
 };
 
 
diff --git a/indra/newview/llviewercontrol.cpp b/indra/newview/llviewercontrol.cpp
index 6f037177fa..51a1ae901e 100644
--- a/indra/newview/llviewercontrol.cpp
+++ b/indra/newview/llviewercontrol.cpp
@@ -576,6 +576,7 @@ void settings_setup_listeners()
 	gSavedSettings.getControl("MuteAmbient")->getSignal()->connect(boost::bind(&handleAudioVolumeChanged, _2));
 	gSavedSettings.getControl("MuteUI")->getSignal()->connect(boost::bind(&handleAudioVolumeChanged, _2));
 	gSavedSettings.getControl("RenderVBOEnable")->getSignal()->connect(boost::bind(&handleRenderUseVBOChanged, _2));
+	gSavedSettings.getControl("RenderUseStreamVBO")->getSignal()->connect(boost::bind(&handleResetVertexBuffersChanged, _2));
 	gSavedSettings.getControl("WLSkyDetail")->getSignal()->connect(boost::bind(&handleWLSkyDetailChanged, _2));
 	gSavedSettings.getControl("RenderLightingDetail")->getSignal()->connect(boost::bind(&handleRenderLightingDetailChanged, _2));
 	gSavedSettings.getControl("NumpadControl")->getSignal()->connect(boost::bind(&handleNumpadControlChanged, _2));
diff --git a/indra/newview/llvovolume.cpp b/indra/newview/llvovolume.cpp
index 8a77461369..073d7c2b91 100644
--- a/indra/newview/llvovolume.cpp
+++ b/indra/newview/llvovolume.cpp
@@ -3304,7 +3304,6 @@ static LLFastTimer::DeclareTimer FTM_REBUILD_VBO("VBO Rebuilt");
 
 void LLVolumeGeometryManager::rebuildGeom(LLSpatialGroup* group)
 {
-	llpushcallstacks ;
 	if (group->changeLOD())
 	{
 		group->mLastUpdateDistance = group->mDistance;
@@ -3533,9 +3532,10 @@ void LLVolumeGeometryManager::rebuildGeom(LLSpatialGroup* group)
 }
 
 static LLFastTimer::DeclareTimer FTM_VOLUME_GEOM("Volume Geometry");
+static LLFastTimer::DeclareTimer FTM_VOLUME_GEOM_PARTIAL("Terse Rebuild");
+
 void LLVolumeGeometryManager::rebuildMesh(LLSpatialGroup* group)
 {
-	llpushcallstacks ;
 	llassert(group);
 	if (group && group->isState(LLSpatialGroup::MESH_DIRTY) && !group->isState(LLSpatialGroup::GEOM_DIRTY))
 	{
@@ -3546,6 +3546,7 @@ void LLVolumeGeometryManager::rebuildMesh(LLSpatialGroup* group)
 		
 		for (LLSpatialGroup::element_iter drawable_iter = group->getData().begin(); drawable_iter != group->getData().end(); ++drawable_iter)
 		{
+			LLFastTimer t(FTM_VOLUME_GEOM_PARTIAL);
 			LLDrawable* drawablep = *drawable_iter;
 
 			if (drawablep->isDead() || drawablep->isState(LLDrawable::FORCE_INVISIBLE) )
@@ -3627,7 +3628,6 @@ void LLVolumeGeometryManager::rebuildMesh(LLSpatialGroup* group)
 
 void LLVolumeGeometryManager::genDrawInfo(LLSpatialGroup* group, U32 mask, std::vector<LLFace*>& faces, BOOL distance_sort)
 {
-	llpushcallstacks ;
 	//calculate maximum number of vertices to store in a single buffer
 	U32 max_vertices = (gSavedSettings.getS32("RenderMaxVBOSize")*1024)/LLVertexBuffer::calcStride(group->mSpatialPartition->mVertexDataMask);
 	max_vertices = llmin(max_vertices, (U32) 65535);
diff --git a/indra/newview/pipeline.cpp b/indra/newview/pipeline.cpp
index 3d700abd01..1ae8bc5481 100644
--- a/indra/newview/pipeline.cpp
+++ b/indra/newview/pipeline.cpp
@@ -361,6 +361,7 @@ void LLPipeline::init()
 	sDynamicLOD = gSavedSettings.getBOOL("RenderDynamicLOD");
 	sRenderBump = gSavedSettings.getBOOL("RenderObjectBump");
 	sUseTriStrips = gSavedSettings.getBOOL("RenderUseTriStrips");
+	LLVertexBuffer::sUseStreamDraw = gSavedSettings.getBOOL("RenderUseStreamVBO");
 	sRenderAttachedLights = gSavedSettings.getBOOL("RenderAttachedLights");
 	sRenderAttachedParticles = gSavedSettings.getBOOL("RenderAttachedParticles");
 
@@ -1725,8 +1726,12 @@ void LLPipeline::markOccluder(LLSpatialGroup* group)
 	}
 }
 
+static LLFastTimer::DeclareTimer FTM_DO_OCCLUSION("Do Occlusion");
+
 void LLPipeline::doOcclusion(LLCamera& camera)
 {
+	LLFastTimer t(FTM_DO_OCCLUSION);
+
 	LLVertexBuffer::unbind();
 
 	if (hasRenderDebugMask(LLPipeline::RENDER_DEBUG_OCCLUSION))
@@ -1799,7 +1804,6 @@ void LLPipeline::rebuildPriorityGroups()
 		
 void LLPipeline::rebuildGroups()
 {
-	llpushcallstacks ;
 	// Iterate through some drawables on the non-priority build queue
 	S32 size = (S32) mGroupQ2.size();
 	S32 min_count = llclamp((S32) ((F32) (size * size)/4096*0.25f), 1, size);
@@ -1944,9 +1948,13 @@ void LLPipeline::updateGeom(F32 max_dtime)
 	updateMovedList(mMovedBridge);
 }
 
+static LLFastTimer::DeclareTimer FTM_MARK_VISIBLE("Mark Visible");
+
 void LLPipeline::markVisible(LLDrawable *drawablep, LLCamera& camera)
 {
 	LLMemType mt(LLMemType::MTYPE_PIPELINE_MARK_VISIBLE);
+	LLFastTimer t(FTM_MARK_VISIBLE);
+
 	if(!drawablep || drawablep->isDead())
 	{
 		return;
@@ -4630,8 +4638,12 @@ void LLPipeline::setupHWLights(LLDrawPool* pool)
 	mLightMask = 0;
 }
 
+static LLFastTimer::DeclareTimer FTM_ENABLE_LIGHTS("Enable Lights");
+
 void LLPipeline::enableLights(U32 mask)
 {
+	LLFastTimer ftm(FTM_ENABLE_LIGHTS);
+
 	assertInitialized();
 
 	if (mLightingDetail == 0)
@@ -4737,16 +4749,16 @@ void LLPipeline::enableLightsFullbright(const LLColor4& color)
 	enableLights(mask);
 
 	glLightModelfv(GL_LIGHT_MODEL_AMBIENT,color.mV);
-	if (mLightingDetail >= 2)
+	/*if (mLightingDetail >= 2)
 	{
 		glColor4f(0.f, 0.f, 0.f, 1.f); // no local lighting by default
-	}
+	}*/
 }
 
 void LLPipeline::disableLights()
 {
 	enableLights(0); // no lighting (full bright)
-	glColor4f(1.f, 1.f, 1.f, 1.f); // lighting color = white by default
+	//glColor4f(1.f, 1.f, 1.f, 1.f); // lighting color = white by default
 }
 
 //============================================================================
@@ -5349,6 +5361,7 @@ void LLPipeline::resetVertexBuffers()
 {
 	sRenderBump = gSavedSettings.getBOOL("RenderObjectBump");
 	sUseTriStrips = gSavedSettings.getBOOL("RenderUseTriStrips");
+	LLVertexBuffer::sUseStreamDraw = gSavedSettings.getBOOL("RenderUseStreamVBO");
 
 	for (LLWorld::region_list_t::const_iterator iter = LLWorld::getInstance()->getRegionList().begin(); 
 			iter != LLWorld::getInstance()->getRegionList().end(); ++iter)