Added RenderAutoHideSurfaceAreaLimit setting, and tweaked hud rendering(lighting issues)

indra/newview/llspatialpartition.cpp

@@ -1077,6 +1077,7 @@ void LLSpatialGroup::clearOcclusionState(eOcclusionState state, S32 mode)
 //======================================
 
 LLSpatialGroup::LLSpatialGroup(OctreeNode* node, LLSpatialPartition* part) :
+	mObjectBoxSize(1.f),
 	mState(0),
 	mGeometryBytes(0),
 	mSurfaceArea(0.f),

indra/newview/llspatialpartition.h

@@ -363,6 +363,8 @@ public:
 	LLVector4a mViewAngle;
 	LLVector4a mLastUpdateViewAngle;
 
+	F32 mObjectBoxSize; //cached mObjectBounds[1].getLength3()
+		
 protected:
 	virtual ~LLSpatialGroup();
 

indra/newview/llvovolume.cpp

@@ -3383,6 +3383,9 @@ void LLVolumeGeometryManager::rebuildGeom(LLSpatialGroup* group)
 	group->mGeometryBytes = 0;
 	group->mSurfaceArea = 0;
 	
+	//cache object box size since it might be used for determining visibility
+	group->mObjectBoxSize = group->mObjectBounds[1].getLength3().getF32();
+
 	group->clearDrawMap();
 
 	mFaceList.clear();
@@ -4247,7 +4250,6 @@ void LLVolumeGeometryManager::genDrawInfo(LLSpatialGroup* group, U32 mask, std::
 				}
 			}
 			else if (gPipeline.canUseVertexShaders()
-			    && group->mSpatialPartition->mPartitionType != LLViewerRegion::PARTITION_HUD
 				&& LLPipeline::sRenderBump 
 				&& te->getShiny())
 			{ //shiny

indra/newview/pipeline.cpp

@@ -3203,8 +3203,12 @@ void LLPipeline::postSort(LLCamera& camera)
 	for (LLCullResult::sg_list_t::iterator i = sCull->beginVisibleGroups(); i != sCull->endVisibleGroups(); ++i)
 	{
 		LLSpatialGroup* group = *i;
+
+		static LLCachedControl<F32> RenderAutoHideSurfaceAreaLimit("RenderAutoHideSurfaceAreaLimit", 0.f);
 		if (sUseOcclusion && 
-			group->isOcclusionState(LLSpatialGroup::OCCLUDED))
+			group->isOcclusionState(LLSpatialGroup::OCCLUDED) ||
+			(RenderAutoHideSurfaceAreaLimit > 0.f && 
+			group->mSurfaceArea > RenderAutoHideSurfaceAreaLimit*llmax(group->mObjectBoxSize, 10.f)))
 		{
 			continue;
 		}
@@ -3275,7 +3279,7 @@ void LLPipeline::postSort(LLCamera& camera)
 	}
 	llpushcallstacks ;
 
-	forAllVisibleDrawables(updateParticleActivity);
+	forAllVisibleDrawables(updateParticleActivity);	//for llfloateravatarlist
 
 	// 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
 	static const LLCachedControl<bool> beacons_visible("BeaconsVisible", false);