2 files changed, 56 insertions, 10 deletions

diff --git a/indra/newview/llvocache.cpp b/indra/newview/llvocache.cpp
index 7ba0c31ffc..5a2f477f19 100755
--- a/indra/newview/llvocache.cpp
+++ b/indra/newview/llvocache.cpp
@@ -470,6 +470,31 @@ void LLVOCacheEntry::updateParentBoundingInfo(const LLVOCacheEntry* child)
 //-------------------------------------------------------------------
 //LLVOCachePartition
 //-------------------------------------------------------------------
+LLVOCacheGroup::~LLVOCacheGroup()
+{
+	if(mOcclusionState[0] & ACTIVE_OCCLUSION)
+	{
+		((LLVOCachePartition*)mSpatialPartition)->removeOccluder(this);
+	}
+}
+
+//virtual
+void LLVOCacheGroup::handleChildAddition(const OctreeNode* parent, OctreeNode* child)
+{
+	if (child->getListenerCount() == 0)
+	{
+		new LLVOCacheGroup(child, mSpatialPartition);
+	}
+	else
+	{
+		OCT_ERRS << "LLVOCacheGroup redundancy detected." << LL_ENDL;
+	}
+
+	unbound();
+	
+	((LLviewerOctreeGroup*)child->getListener(0))->unbound();
+}
+
 LLVOCachePartition::LLVOCachePartition(LLViewerRegion* regionp)
 {
 	mLODPeriod = 16;
@@ -483,7 +508,7 @@ LLVOCachePartition::LLVOCachePartition(LLViewerRegion* regionp)
 		mCulledTime[i] = 0;
 		mCullHistory[i] = -1;
 	}
-	new LLOcclusionCullingGroup(mOctree, this);
+	new LLVOCacheGroup(mOctree, this);
 }
 
 void LLVOCachePartition::addEntry(LLViewerOctreeEntry* entry)
@@ -751,11 +776,11 @@ S32 LLVOCachePartition::cull(LLCamera &camera, bool do_occlusion)
 
 void LLVOCachePartition::addOccluders(LLviewerOctreeGroup* gp)
 {
-	LLOcclusionCullingGroup* group = (LLOcclusionCullingGroup*)gp;
+	LLVOCacheGroup* group = (LLVOCacheGroup*)gp;
 
 	if(!group->isOcclusionState(LLOcclusionCullingGroup::ACTIVE_OCCLUSION))
 	{
-		group->setOcclusionState(LLOcclusionCullingGroup::ACTIVE_OCCLUSION);
+		group->setOcclusionState(LLOcclusionCullingGroup::ACTIVE_OCCLUSION, LLOcclusionCullingGroup::STATE_MODE_ALL_CAMERAS);
 		mOccludedGroups.insert(group);
 	}
 }
@@ -769,9 +794,9 @@ void LLVOCachePartition::processOccluders(LLCamera* camera)
 
 	LLVector3 region_agent = mRegionp->getOriginAgent();
 	LLVector4a shift(region_agent[0], region_agent[1], region_agent[2]);
-	for(std::set<LLOcclusionCullingGroup*>::iterator iter = mOccludedGroups.begin(); iter != mOccludedGroups.end(); ++iter)
+	for(std::set<LLVOCacheGroup*>::iterator iter = mOccludedGroups.begin(); iter != mOccludedGroups.end(); ++iter)
 	{
-		LLOcclusionCullingGroup* group = *iter;
+		LLVOCacheGroup* group = *iter;
 		group->doOcclusion(camera, &shift);
 	}	
 }
@@ -783,15 +808,23 @@ void LLVOCachePartition::resetOccluders()
 		return;
 	}
 
-	for(std::set<LLOcclusionCullingGroup*>::iterator iter = mOccludedGroups.begin(); iter != mOccludedGroups.end(); ++iter)
+	for(std::set<LLVOCacheGroup*>::iterator iter = mOccludedGroups.begin(); iter != mOccludedGroups.end(); ++iter)
 	{
-		LLOcclusionCullingGroup* group = *iter;
-		group->clearOcclusionState(LLOcclusionCullingGroup::ACTIVE_OCCLUSION);
+		LLVOCacheGroup* group = *iter;
+		group->clearOcclusionState(LLOcclusionCullingGroup::ACTIVE_OCCLUSION, LLOcclusionCullingGroup::STATE_MODE_ALL_CAMERAS);
 	}	
 	mOccludedGroups.clear();
 	sNeedsOcclusionCheck = FALSE;
 }
 
+void LLVOCachePartition::removeOccluder(LLVOCacheGroup* group)
+{
+	if(mOccludedGroups.empty())
+	{
+		return;
+	}
+	mOccludedGroups.erase(group);
+}
 //-------------------------------------------------------------------
 //LLVOCache
 //-------------------------------------------------------------------
diff --git a/indra/newview/llvocache.h b/indra/newview/llvocache.h
index cc755b6231..16ed05dc94 100755
--- a/indra/newview/llvocache.h
+++ b/indra/newview/llvocache.h
@@ -160,6 +160,18 @@ public:
 	static U32                  sMinFrameRange;
 };
 
+class LLVOCacheGroup : public LLOcclusionCullingGroup
+{
+public:
+	LLVOCacheGroup(OctreeNode* node, LLViewerOctreePartition* part) : LLOcclusionCullingGroup(node, part){}	
+
+	//virtual
+	void handleChildAddition(const OctreeNode* parent, OctreeNode* child);
+
+protected:
+	virtual ~LLVOCacheGroup();
+};
+
 class LLVOCachePartition : public LLViewerOctreePartition, public LLTrace::MemTrackable<LLVOCachePartition>
 {
 public:
@@ -171,7 +183,8 @@ public:
 	void addOccluders(LLviewerOctreeGroup* gp);
 	void resetOccluders();
 	void processOccluders(LLCamera* camera);
-	
+	void removeOccluder(LLVOCacheGroup* group);
+
 private:
 	void selectBackObjects(LLCamera &camera); //select objects behind camera.
 
@@ -181,7 +194,7 @@ public:
 private:
 	U32   mCullHistory[LLViewerCamera::NUM_CAMERAS];
 	U32   mCulledTime[LLViewerCamera::NUM_CAMERAS];
-	std::set<LLOcclusionCullingGroup*> mOccludedGroups;
+	std::set<LLVOCacheGroup*> mOccludedGroups;
 
 	S32   mBackSlectionEnabled; //enable to select back objects if > 0.
 	U32   mIdleHash;