merge with viewer-release

1 files changed, 247 insertions, 1147 deletions

diff --git a/indra/newview/llspatialpartition.cpp b/indra/newview/llspatialpartition.cpp
index f85e855fd3..45130efeb9 100755
--- a/indra/newview/llspatialpartition.cpp
+++ b/indra/newview/llspatialpartition.cpp
@@ -51,32 +51,16 @@
 #include "llvoavatar.h"
 #include "llvolumemgr.h"
 #include "lltextureatlas.h"
-#include "llglslshader.h"
 #include "llviewershadermgr.h"
 
 static LLFastTimer::DeclareTimer FTM_FRUSTUM_CULL("Frustum Culling");
 static LLFastTimer::DeclareTimer FTM_CULL_REBOUND("Cull Rebound Partition");
 
-const F32 SG_OCCLUSION_FUDGE = 0.25f;
-#define SG_DISCARD_TOLERANCE 0.01f
-
-#if LL_OCTREE_PARANOIA_CHECK
-#define assert_octree_valid(x) x->validate()
-#define assert_states_valid(x) ((LLSpatialGroup*) x->mSpatialPartition->mOctree->getListener(0))->checkStates()
-#else
-#define assert_octree_valid(x)
-#define assert_states_valid(x)
-#endif
-
 extern bool gShiftFrame;
 
 static U32 sZombieGroups = 0;
 U32 LLSpatialGroup::sNodeCount = 0;
 
-#define LL_TRACK_PENDING_OCCLUSION_QUERIES 0
-
-std::set<GLuint> LLSpatialGroup::sPendingQueries;
-
 U32 gOctreeMaxCapacity;
 
 BOOL LLSpatialGroup::sNoDelete = FALSE;
@@ -84,47 +68,6 @@ BOOL LLSpatialGroup::sNoDelete = FALSE;
 static F32 sLastMaxTexPriority = 1.f;
 static F32 sCurMaxTexPriority = 1.f;
 
-class LLOcclusionQueryPool : public LLGLNamePool
-{
-public:
-	LLOcclusionQueryPool()
-	{
-		mCurQuery = 1;
-	}
-
-protected:
-
-	std::list<GLuint> mAvailableName;
-	GLuint mCurQuery;
-		
-	virtual GLuint allocateName()
-	{
-		GLuint ret = 0;
-
-		if (!mAvailableName.empty())
-		{
-			ret = mAvailableName.front();
-			mAvailableName.pop_front();
-		}
-		else
-		{
-			ret = mCurQuery++;
-		}
-
-		return ret;
-	}
-
-	virtual void releaseName(GLuint name)
-	{
-#if LL_TRACK_PENDING_OCCLUSION_QUERIES
-		LLSpatialGroup::sPendingQueries.erase(name);
-#endif
-		llassert(std::find(mAvailableName.begin(), mAvailableName.end(), name) == mAvailableName.end());
-		mAvailableName.push_back(name);
-	}
-};
-
-static LLOcclusionQueryPool sQueryPool;
 
 //static counter for frame to switch LOD on
 
@@ -138,185 +81,6 @@ void sg_assert(BOOL expr)
 #endif
 }
 
-S32 AABBSphereIntersect(const LLVector3& min, const LLVector3& max, const LLVector3 &origin, const F32 &rad)
-{
-	return AABBSphereIntersectR2(min, max, origin, rad*rad);
-}
-
-S32 AABBSphereIntersectR2(const LLVector3& min, const LLVector3& max, const LLVector3 &origin, const F32 &r)
-{
-	F32 d = 0.f;
-	F32 t;
-	
-	if ((min-origin).magVecSquared() < r &&
-		(max-origin).magVecSquared() < r)
-	{
-		return 2;
-	}
-
-	for (U32 i = 0; i < 3; i++)
-	{
-		if (origin.mV[i] < min.mV[i])
-		{
-			t = min.mV[i] - origin.mV[i];
-			d += t*t;
-		}
-		else if (origin.mV[i] > max.mV[i])
-		{
-			t = origin.mV[i] - max.mV[i];
-			d += t*t;
-		}
-
-		if (d > r)
-		{
-			return 0;
-		}
-	}
-
-	return 1;
-}
-
-
-S32 AABBSphereIntersect(const LLVector4a& min, const LLVector4a& max, const LLVector3 &origin, const F32 &rad)
-{
-	return AABBSphereIntersectR2(min, max, origin, rad*rad);
-}
-
-S32 AABBSphereIntersectR2(const LLVector4a& min, const LLVector4a& max, const LLVector3 &origin, const F32 &r)
-{
-	F32 d = 0.f;
-	F32 t;
-	
-	LLVector4a origina;
-	origina.load3(origin.mV);
-
-	LLVector4a v;
-	v.setSub(min, origina);
-	
-	if (v.dot3(v) < r)
-	{
-		v.setSub(max, origina);
-		if (v.dot3(v) < r)
-		{
-			return 2;
-		}
-	}
-
-
-	for (U32 i = 0; i < 3; i++)
-	{
-		if (origin.mV[i] < min[i])
-		{
-			t = min[i] - origin.mV[i];
-			d += t*t;
-		}
-		else if (origin.mV[i] > max[i])
-		{
-			t = origin.mV[i] - max[i];
-			d += t*t;
-		}
-
-		if (d > r)
-		{
-			return 0;
-		}
-	}
-
-	return 1;
-}
-
-
-typedef enum
-{
-	b000 = 0x00,
-	b001 = 0x01,
-	b010 = 0x02,
-	b011 = 0x03,
-	b100 = 0x04,
-	b101 = 0x05,
-	b110 = 0x06,
-	b111 = 0x07,
-} eLoveTheBits;
-
-//contact Runitai Linden for a copy of the SL object used to write this table
-//basically, you give the table a bitmask of the look-at vector to a node and it
-//gives you a triangle fan index array
-static U16 sOcclusionIndices[] =
-{
-	 //000
-		b111, b110, b010, b011, b001, b101, b100, b110,
-	 //001 
-		b011, b010, b000, b001, b101, b111, b110, b010,
-	 //010
-		b101, b100, b110, b111, b011, b001, b000, b100,
-	 //011 
-		b001, b000, b100, b101, b111, b011, b010, b000,
-	 //100 
-		b110, b000, b010, b011, b111, b101, b100, b000,
-	 //101 
-		b010, b100, b000, b001, b011, b111, b110, b100,
-	 //110
-		b100, b010, b110, b111, b101, b001, b000, b010,
-	 //111
-		b000, b110, b100, b101, b001, b011, b010, b110,
-};
-
-U32 get_box_fan_indices(LLCamera* camera, const LLVector4a& center)
-{
-	LLVector4a origin;
-	origin.load3(camera->getOrigin().mV);
-
-	S32 cypher = center.greaterThan(origin).getGatheredBits() & 0x7;
-	
-	return cypher*8;
-}
-
-U8* get_box_fan_indices_ptr(LLCamera* camera, const LLVector4a& center)
-{
-	LLVector4a origin;
-	origin.load3(camera->getOrigin().mV);
-
-	S32 cypher = center.greaterThan(origin).getGatheredBits() & 0x7;
-	
-	return (U8*) (sOcclusionIndices+cypher*8);
-}
-
-//create a vertex buffer for efficiently rendering cubes
-LLVertexBuffer* ll_create_cube_vb(U32 type_mask, U32 usage)
-{
-	LLVertexBuffer* ret = new LLVertexBuffer(type_mask, usage);
-
-	ret->allocateBuffer(8, 64, true);
-
-	LLStrider<LLVector3> pos;
-	LLStrider<U16> idx;
-
-	ret->getVertexStrider(pos);
-	ret->getIndexStrider(idx);
-
-	pos[0] = LLVector3(-1,-1,-1);
-	pos[1] = LLVector3(-1,-1, 1);
-	pos[2] = LLVector3(-1, 1,-1);
-	pos[3] = LLVector3(-1, 1, 1);
-	pos[4] = LLVector3( 1,-1,-1);
-	pos[5] = LLVector3( 1,-1, 1);
-	pos[6] = LLVector3( 1, 1,-1);
-	pos[7] = LLVector3( 1, 1, 1);
-
-	for (U32 i = 0; i < 64; i++)
-	{
-		idx[i] = sOcclusionIndices[i];
-	}
-
-	ret->flush();
-
-	return ret;
-}
-
-static LLFastTimer::DeclareTimer FTM_BUILD_OCCLUSION("Build Occlusion");
-
-BOOL earlyFail(LLCamera* camera, LLSpatialGroup* group);
-
 //returns:
 //	0 if sphere and AABB are not intersecting 
 //	1 if they are
@@ -358,24 +122,13 @@ LLSpatialGroup::~LLSpatialGroup()
 		gPipeline.checkReferences(this);
 	}
 
-	if (isState(DEAD))
+	if (hasState(DEAD))
 	{
 		sZombieGroups--;
 	}
 	
 	sNodeCount--;
 
-	if (gGLManager.mHasOcclusionQuery)
-	{
-		for (U32 i = 0; i < LLViewerCamera::NUM_CAMERAS; ++i)
-		{
-			if (mOcclusionQuery[i])
-			{
-				sQueryPool.release(mOcclusionQuery[i]);
-			}
-		}
-	}
-
 	clearDrawMap();
 	clearAtlasList() ;
 }
@@ -509,22 +262,13 @@ void LLSpatialGroup::clearDrawMap()
 
 BOOL LLSpatialGroup::isHUDGroup() 
 {
-	return mSpatialPartition && mSpatialPartition->isHUDPartition() ; 
+	return getSpatialPartition() && getSpatialPartition()->isHUDPartition() ; 
 }
 
 BOOL LLSpatialGroup::isRecentlyVisible() const
 {
-	return (LLDrawable::getCurrentFrame() - mVisible[LLViewerCamera::sCurCameraID]) < LLDrawable::getMinVisFrameRange() ;
-}
-
-BOOL LLSpatialGroup::isVisible() const
-{
-	return mVisible[LLViewerCamera::sCurCameraID] >= LLDrawable::getCurrentFrame() ? TRUE : FALSE;
-}
-
-void LLSpatialGroup::setVisible()
-{
-	mVisible[LLViewerCamera::sCurCameraID] = LLDrawable::getCurrentFrame();
+	const S32 MIN_VIS_FRAME_RANGE = 2;
+	return (LLDrawable::getCurrentFrame() - mVisible[LLViewerCamera::sCurCameraID]) < MIN_VIS_FRAME_RANGE ;
 }
 
 void LLSpatialGroup::validate()
@@ -548,7 +292,7 @@ void LLSpatialGroup::validate()
 		sg_assert(drawable->getSpatialGroup() == this);
 		if (drawable->getSpatialBridge())
 		{
-			sg_assert(drawable->getSpatialBridge() == mSpatialPartition->asBridge());
+			sg_assert(drawable->getSpatialBridge() == getSpatialPartition()->asBridge());
 		}
 
 		/*if (drawable->isSpatialBridge())
@@ -588,14 +332,6 @@ void LLSpatialGroup::validate()
 #endif
 }
 
-void LLSpatialGroup::checkStates()
-{
-#if LL_OCTREE_PARANOIA_CHECK
-	//LLOctreeStateCheck checker;
-	//checker.traverse(mOctreeNode);
-#endif
-}
-
 void LLSpatialGroup::validateDrawMap()
 {
 #if LL_OCTREE_PARANOIA_CHECK
@@ -619,7 +355,7 @@ BOOL LLSpatialGroup::updateInGroup(LLDrawable *drawablep, BOOL immediate)
 	OctreeNode* parent = mOctreeNode->getOctParent();
 	
 	if (mOctreeNode->isInside(drawablep->getPositionGroup()) && 
-		(mOctreeNode->contains(drawablep) ||
+		(mOctreeNode->contains(drawablep->getEntry()) ||
 		 (drawablep->getBinRadius() > mOctreeNode->getSize()[0] &&
 				parent && parent->getElementCount() >= gOctreeMaxCapacity)))
 	{
@@ -633,15 +369,14 @@ BOOL LLSpatialGroup::updateInGroup(LLDrawable *drawablep, BOOL immediate)
 }
 
 
-BOOL LLSpatialGroup::addObject(LLDrawable *drawablep, BOOL add_all, BOOL from_octree)
+BOOL LLSpatialGroup::addObject(LLDrawable *drawablep)
 {
-	if (!from_octree)
+	if(!drawablep)
 	{
-		mOctreeNode->insert(drawablep);
+		return FALSE;
 	}
-	else
 	{
-		drawablep->setSpatialGroup(this);
+		drawablep->setGroup(this);
 		setState(OBJECT_DIRTY | GEOM_DIRTY);
 		setOcclusionState(LLSpatialGroup::DISCARD_QUERY, LLSpatialGroup::STATE_MODE_ALL_CAMERAS);
 		gPipeline.markRebuild(this, TRUE);
@@ -662,9 +397,9 @@ void LLSpatialGroup::rebuildGeom()
 {
 	if (!isDead())
 	{
-		mSpatialPartition->rebuildGeom(this);
+		getSpatialPartition()->rebuildGeom(this);
 
-		if (isState(LLSpatialGroup::MESH_DIRTY))
+		if (hasState(LLSpatialGroup::MESH_DIRTY))
 		{
 			gPipeline.markMeshDirty(this);
 		}
@@ -675,7 +410,7 @@ void LLSpatialGroup::rebuildMesh()
 {
 	if (!isDead())
 	{
-		mSpatialPartition->rebuildMesh(this);
+		getSpatialPartition()->rebuildMesh(this);
 	}
 }
 
@@ -686,7 +421,7 @@ static LLFastTimer::DeclareTimer FTM_GET_GEOMETRY("Get Geometry");
 
 void LLSpatialPartition::rebuildGeom(LLSpatialGroup* group)
 {
-	if (group->isDead() || !group->isState(LLSpatialGroup::GEOM_DIRTY))
+	if (group->isDead() || !group->hasState(LLSpatialGroup::GEOM_DIRTY))
 	{
 		return;
 	}
@@ -751,137 +486,26 @@ void LLSpatialPartition::rebuildMesh(LLSpatialGroup* group)
 
 }
 
-BOOL LLSpatialGroup::boundObjects(BOOL empty, LLVector4a& minOut, LLVector4a& maxOut)
+LLSpatialGroup* LLSpatialGroup::getParent()
 {	
-	const OctreeNode* node = mOctreeNode;
-
-	if (node->isEmpty())
-	{	//don't do anything if there are no objects
-		if (empty && mOctreeNode->getParent())
-		{	//only root is allowed to be empty
-			OCT_ERRS << "Empty leaf found in octree." << llendl;
-		}
-		return FALSE;
-	}
-
-	LLVector4a& newMin = mObjectExtents[0];
-	LLVector4a& newMax = mObjectExtents[1];
-	
-	if (isState(OBJECT_DIRTY))
-	{ //calculate new bounding box
-		clearState(OBJECT_DIRTY);
-
-		//initialize bounding box to first element
-		OctreeNode::const_element_iter i = node->getDataBegin();
-		LLDrawable* drawablep = *i;
-		const LLVector4a* minMax = drawablep->getSpatialExtents();
-
-		newMin = minMax[0];
-		newMax = minMax[1];
-
-		for (++i; i != node->getDataEnd(); ++i)
-		{
-			drawablep = *i;
-			minMax = drawablep->getSpatialExtents();
-			
-			update_min_max(newMin, newMax, minMax[0]);
-			update_min_max(newMin, newMax, minMax[1]);
-
-			//bin up the object
-			/*for (U32 i = 0; i < 3; i++)
-			{
-				if (minMax[0].mV[i] < newMin.mV[i])
-				{
-					newMin.mV[i] = minMax[0].mV[i];
-				}
-				if (minMax[1].mV[i] > newMax.mV[i])
-				{
-					newMax.mV[i] = minMax[1].mV[i];
-				}
-			}*/
-		}
-		
-		mObjectBounds[0].setAdd(newMin, newMax);
-		mObjectBounds[0].mul(0.5f);
-		mObjectBounds[1].setSub(newMax, newMin);
-		mObjectBounds[1].mul(0.5f);
-	}
-	
-	if (empty)
-	{
-		minOut = newMin;
-		maxOut = newMax;
-	}
-	else
-	{
-		minOut.setMin(minOut, newMin);
-		maxOut.setMax(maxOut, newMax);
-	}
-		
-	return TRUE;
+	return (LLSpatialGroup*)LLviewerOctreeGroup::getParent();
 }
 
-void LLSpatialGroup::unbound()
-{
-	if (isState(DIRTY))
-	{
-		return;
-	}
-
-	setState(DIRTY);
-	
-	//all the parent nodes need to rebound this child
-	if (mOctreeNode)
-	{
-		OctreeNode* parent = (OctreeNode*) mOctreeNode->getParent();
-		while (parent != NULL)
-		{
-			LLSpatialGroup* group = (LLSpatialGroup*) parent->getListener(0);
-			if (group->isState(DIRTY))
-			{
-				return;
-			}
-			
-			group->setState(DIRTY);
-			parent = (OctreeNode*) parent->getParent();
-		}
-	}
-}
-
-LLSpatialGroup* LLSpatialGroup::getParent()
+BOOL LLSpatialGroup::removeObject(LLDrawable *drawablep, BOOL from_octree)
 {
-	if (isDead())
+	if(!drawablep)
 	{
-		return NULL;
-	}
-
-	if(!mOctreeNode)
-	{
-		return NULL;
-	}
-	OctreeNode* parent = mOctreeNode->getOctParent();
-
-	if (parent)
-	{
-		return (LLSpatialGroup*) parent->getListener(0);
+		return FALSE;
 	}
 
-	return NULL;
-}
-
-BOOL LLSpatialGroup::removeObject(LLDrawable *drawablep, BOOL from_octree)
-{
 	unbound();
 	if (mOctreeNode && !from_octree)
 	{
-		if (!mOctreeNode->remove(drawablep))
-		{
-			OCT_ERRS << "Could not remove drawable from spatial group" << llendl;
-		}
+		drawablep->setGroup(NULL);
 	}
 	else
 	{
-		drawablep->setSpatialGroup(NULL);
+		drawablep->setGroup(NULL);
 		setState(GEOM_DIRTY);
 		gPipeline.markRebuild(this, TRUE);
 
@@ -918,22 +542,22 @@ void LLSpatialGroup::shift(const LLVector4a &offset)
 	mObjectExtents[0].add(offset);
 	mObjectExtents[1].add(offset);
 
-	if (!mSpatialPartition->mRenderByGroup && 
-		mSpatialPartition->mPartitionType != LLViewerRegion::PARTITION_TREE &&
-		mSpatialPartition->mPartitionType != LLViewerRegion::PARTITION_TERRAIN &&
-		mSpatialPartition->mPartitionType != LLViewerRegion::PARTITION_BRIDGE)
+	if (!getSpatialPartition()->mRenderByGroup && 
+		getSpatialPartition()->mPartitionType != LLViewerRegion::PARTITION_TREE &&
+		getSpatialPartition()->mPartitionType != LLViewerRegion::PARTITION_TERRAIN &&
+		getSpatialPartition()->mPartitionType != LLViewerRegion::PARTITION_BRIDGE)
 	{
 		setState(GEOM_DIRTY);
 		gPipeline.markRebuild(this, TRUE);
 	}
 }
 
-class LLSpatialSetState : public LLSpatialGroup::OctreeTraveler
+class LLSpatialSetState : public OctreeTraveler
 {
 public:
 	U32 mState;
 	LLSpatialSetState(U32 state) : mState(state) { }
-	virtual void visit(const LLSpatialGroup::OctreeNode* branch) { ((LLSpatialGroup*) branch->getListener(0))->setState(mState); }	
+	virtual void visit(const OctreeNode* branch) { ((LLSpatialGroup*) branch->getListener(0))->setState(mState); }	
 };
 
 class LLSpatialSetStateDiff : public LLSpatialSetState
@@ -941,24 +565,17 @@ class LLSpatialSetStateDiff : public LLSpatialSetState
 public:
 	LLSpatialSetStateDiff(U32 state) : LLSpatialSetState(state) { }
 
-	virtual void traverse(const LLSpatialGroup::OctreeNode* n)
+	virtual void traverse(const OctreeNode* n)
 	{
 		LLSpatialGroup* group = (LLSpatialGroup*) n->getListener(0);
 		
-		if (!group->isState(mState))
+		if (!group->hasState(mState))
 		{
-			LLSpatialGroup::OctreeTraveler::traverse(n);
+			OctreeTraveler::traverse(n);
 		}
 	}
 };
 
-void LLSpatialGroup::setState(U32 state) 
-{ 
-	mState |= state; 
-	
-	llassert(state <= LLSpatialGroup::STATE_MASK);
-}	
-
 void LLSpatialGroup::setState(U32 state, S32 mode) 
 {
 	llassert(state <= LLSpatialGroup::STATE_MASK);
@@ -982,12 +599,12 @@ void LLSpatialGroup::setState(U32 state, S32 mode)
 	}
 }
 
-class LLSpatialClearState : public LLSpatialGroup::OctreeTraveler
+class LLSpatialClearState : public OctreeTraveler
 {
 public:
 	U32 mState;
 	LLSpatialClearState(U32 state) : mState(state) { }
-	virtual void visit(const LLSpatialGroup::OctreeNode* branch) { ((LLSpatialGroup*) branch->getListener(0))->clearState(mState); }
+	virtual void visit(const OctreeNode* branch) { ((LLSpatialGroup*) branch->getListener(0))->clearState(mState); }
 };
 
 class LLSpatialClearStateDiff : public LLSpatialClearState
@@ -995,24 +612,17 @@ class LLSpatialClearStateDiff : public LLSpatialClearState
 public:
 	LLSpatialClearStateDiff(U32 state) : LLSpatialClearState(state) { }
 
-	virtual void traverse(const LLSpatialGroup::OctreeNode* n)
+	virtual void traverse(const OctreeNode* n)
 	{
 		LLSpatialGroup* group = (LLSpatialGroup*) n->getListener(0);
 		
-		if (group->isState(mState))
+		if (group->hasState(mState))
 		{
-			LLSpatialGroup::OctreeTraveler::traverse(n);
+			OctreeTraveler::traverse(n);
 		}
 	}
 };
 
-void LLSpatialGroup::clearState(U32 state)
-{
-	llassert(state <= LLSpatialGroup::STATE_MASK);
-
-	mState &= ~state; 
-}
-
 void LLSpatialGroup::clearState(U32 state, S32 mode)
 {
 	llassert(state <= LLSpatialGroup::STATE_MASK);
@@ -1036,144 +646,15 @@ void LLSpatialGroup::clearState(U32 state, S32 mode)
 	}
 }
 
-BOOL LLSpatialGroup::isState(U32 state) const
-{ 
-	llassert(state <= LLSpatialGroup::STATE_MASK);
-
-	return mState & state ? TRUE : FALSE; 
-}
-
-//=====================================
-//		Occlusion State Set/Clear
-//=====================================
-class LLSpatialSetOcclusionState : public LLSpatialGroup::OctreeTraveler
-{
-public:
-	U32 mState;
-	LLSpatialSetOcclusionState(U32 state) : mState(state) { }
-	virtual void visit(const LLSpatialGroup::OctreeNode* branch) { ((LLSpatialGroup*) branch->getListener(0))->setOcclusionState(mState); }	
-};
-
-class LLSpatialSetOcclusionStateDiff : public LLSpatialSetOcclusionState
-{
-public:
-	LLSpatialSetOcclusionStateDiff(U32 state) : LLSpatialSetOcclusionState(state) { }
-
-	virtual void traverse(const LLSpatialGroup::OctreeNode* n)
-	{
-		LLSpatialGroup* group = (LLSpatialGroup*) n->getListener(0);
-		
-		if (!group->isOcclusionState(mState))
-		{
-			LLSpatialGroup::OctreeTraveler::traverse(n);
-		}
-	}
-};
-
-
-void LLSpatialGroup::setOcclusionState(U32 state, S32 mode) 
-{
-	if (mode > STATE_MODE_SINGLE)
-	{
-		if (mode == STATE_MODE_DIFF)
-		{
-			LLSpatialSetOcclusionStateDiff setter(state);
-			setter.traverse(mOctreeNode);
-		}
-		else if (mode == STATE_MODE_BRANCH)
-		{
-			LLSpatialSetOcclusionState setter(state);
-			setter.traverse(mOctreeNode);
-		}
-		else
-		{
-			for (U32 i = 0; i < LLViewerCamera::NUM_CAMERAS; i++)
-			{
-				mOcclusionState[i] |= state;
-
-				if ((state & DISCARD_QUERY) && mOcclusionQuery[i])
-				{
-					sQueryPool.release(mOcclusionQuery[i]);
-					mOcclusionQuery[i] = 0;
-				}
-			}
-		}
-	}
-	else
-	{
-		mOcclusionState[LLViewerCamera::sCurCameraID] |= state;
-		if ((state & DISCARD_QUERY) && mOcclusionQuery[LLViewerCamera::sCurCameraID])
-		{
-			sQueryPool.release(mOcclusionQuery[LLViewerCamera::sCurCameraID]);
-			mOcclusionQuery[LLViewerCamera::sCurCameraID] = 0;
-		}
-	}
-}
-
-class LLSpatialClearOcclusionState : public LLSpatialGroup::OctreeTraveler
-{
-public:
-	U32 mState;
-	
-	LLSpatialClearOcclusionState(U32 state) : mState(state) { }
-	virtual void visit(const LLSpatialGroup::OctreeNode* branch) { ((LLSpatialGroup*) branch->getListener(0))->clearOcclusionState(mState); }
-};
-
-class LLSpatialClearOcclusionStateDiff : public LLSpatialClearOcclusionState
-{
-public:
-	LLSpatialClearOcclusionStateDiff(U32 state) : LLSpatialClearOcclusionState(state) { }
-
-	virtual void traverse(const LLSpatialGroup::OctreeNode* n)
-	{
-		LLSpatialGroup* group = (LLSpatialGroup*) n->getListener(0);
-		
-		if (group->isOcclusionState(mState))
-		{
-			LLSpatialGroup::OctreeTraveler::traverse(n);
-		}
-	}
-};
-
-void LLSpatialGroup::clearOcclusionState(U32 state, S32 mode)
-{
-	if (mode > STATE_MODE_SINGLE)
-	{
-		if (mode == STATE_MODE_DIFF)
-		{
-			LLSpatialClearOcclusionStateDiff clearer(state);
-			clearer.traverse(mOctreeNode);
-		}
-		else if (mode == STATE_MODE_BRANCH)
-		{
-			LLSpatialClearOcclusionState clearer(state);
-			clearer.traverse(mOctreeNode);
-		}
-		else
-		{
-			for (U32 i = 0; i < LLViewerCamera::NUM_CAMERAS; i++)
-			{
-				mOcclusionState[i] &= ~state;
-			}
-		}
-	}
-	else
-	{
-		mOcclusionState[LLViewerCamera::sCurCameraID] &= ~state;
-	}
-}
 //======================================
 //		Octree Listener Implementation
 //======================================
 
-LLSpatialGroup::LLSpatialGroup(OctreeNode* node, LLSpatialPartition* part) :
+LLSpatialGroup::LLSpatialGroup(OctreeNode* node, LLSpatialPartition* part) : LLOcclusionCullingGroup(node, part),
 	mObjectBoxSize(1.f),
-	mState(0),
 	mGeometryBytes(0),
 	mSurfaceArea(0.f),
 	mBuilt(0.f),
-	mOctreeNode(node),
-	mSpatialPartition(part),
 	mVertexBuffer(NULL), 
 	mBufferUsage(part->mBufferUsage),
 	mDistance(0.f),
@@ -1191,32 +672,11 @@ LLSpatialGroup::LLSpatialGroup(OctreeNode* node, LLSpatialPartition* part) :
 
 	mViewAngle.splat(0.f);
 	mLastUpdateViewAngle.splat(-1.f);
-	mExtents[0] = mExtents[1] = mObjectBounds[0] = mObjectBounds[0] = mObjectBounds[1] = 
-		mObjectExtents[0] = mObjectExtents[1] = mViewAngle;
 
 	sg_assert(mOctreeNode->getListenerCount() == 0);
-	mOctreeNode->addListener(this);
 	setState(SG_INITIAL_STATE_MASK);
 	gPipeline.markRebuild(this, TRUE);
 
-	mBounds[0] = node->getCenter();
-	mBounds[1] = node->getSize();
-
-	part->mLODSeed = (part->mLODSeed+1)%part->mLODPeriod;
-	mLODHash = part->mLODSeed;
-
-	OctreeNode* oct_parent = node->getOctParent();
-
-	LLSpatialGroup* parent = oct_parent ? (LLSpatialGroup*) oct_parent->getListener(0) : NULL;
-
-	for (U32 i = 0; i < LLViewerCamera::NUM_CAMERAS; i++)
-	{
-		mOcclusionQuery[i] = 0;
-		mOcclusionIssued[i] = 0;
-		mOcclusionState[i] = parent ? SG_STATE_INHERIT_MASK & parent->mOcclusionState[i] : 0;
-		mVisible[i] = 0;
-	}
-
 	mRadius = 1;
 	mPixelArea = 1024.f;
 }
@@ -1235,17 +695,17 @@ void LLSpatialGroup::updateDistance(LLCamera &camera)
 	}
 
 #if !LL_RELEASE_FOR_DOWNLOAD
-	if (isState(LLSpatialGroup::OBJECT_DIRTY))
+	if (hasState(LLSpatialGroup::OBJECT_DIRTY))
 	{
 		llerrs << "Spatial group dirty on distance update." << llendl;
 	}
 #endif
 	if (!isEmpty())
 	{
-		mRadius = mSpatialPartition->mRenderByGroup ? mObjectBounds[1].getLength3().getF32() :
+		mRadius = getSpatialPartition()->mRenderByGroup ? mObjectBounds[1].getLength3().getF32() :
 						(F32) mOctreeNode->getSize().getLength3().getF32();
-		mDistance = mSpatialPartition->calcDistance(this, camera);
-		mPixelArea = mSpatialPartition->calcPixelArea(this, camera);
+		mDistance = getSpatialPartition()->calcDistance(this, camera);
+		mPixelArea = getSpatialPartition()->calcPixelArea(this, camera);
 	}
 }
 
@@ -1266,9 +726,9 @@ F32 LLSpatialPartition::calcDistance(LLSpatialGroup* group, LLCamera& camera)
 		dist = eye.getLength3().getF32();
 		eye.normalize3fast();
 
-		if (!group->isState(LLSpatialGroup::ALPHA_DIRTY))
+		if (!group->hasState(LLSpatialGroup::ALPHA_DIRTY))
 		{
-			if (!group->mSpatialPartition->isBridge())
+			if (!group->getSpatialPartition()->isBridge())
 			{
 				LLVector4a view_angle = eye;
 
@@ -1336,23 +796,18 @@ F32 LLSpatialGroup::getUpdateUrgency() const
 	}
 }
 
-BOOL LLSpatialGroup::needsUpdate()
-{
-	return (LLDrawable::getCurrentFrame()%mSpatialPartition->mLODPeriod == mLODHash) ? TRUE : FALSE;
-}
-
 BOOL LLSpatialGroup::changeLOD()
 {
-	if (isState(ALPHA_DIRTY | OBJECT_DIRTY))
+	if (hasState(ALPHA_DIRTY | OBJECT_DIRTY))
 	{ ///a rebuild is going to happen, update distance and LoD
 		return TRUE;
 	}
 
-	if (mSpatialPartition->mSlopRatio > 0.f)
+	if (getSpatialPartition()->mSlopRatio > 0.f)
 	{
 		F32 ratio = (mDistance - mLastUpdateDistance)/(llmax(mLastUpdateDistance, mRadius));
 
-		if (fabsf(ratio) >= mSpatialPartition->mSlopRatio)
+		if (fabsf(ratio) >= getSpatialPartition()->mSlopRatio)
 		{
 			return TRUE;
 		}
@@ -1371,17 +826,17 @@ BOOL LLSpatialGroup::changeLOD()
 	return FALSE;
 }
 
-void LLSpatialGroup::handleInsertion(const TreeNode* node, LLDrawable* drawablep)
+void LLSpatialGroup::handleInsertion(const TreeNode* node, LLViewerOctreeEntry* entry)
 {
-	addObject(drawablep, FALSE, TRUE);
+	addObject((LLDrawable*)entry->getDrawable());
 	unbound();
 	setState(OBJECT_DIRTY);
 }
 
-void LLSpatialGroup::handleRemoval(const TreeNode* node, LLDrawable* drawable)
+void LLSpatialGroup::handleRemoval(const TreeNode* node, LLViewerOctreeEntry* entry)
 {
-	removeObject(drawable, TRUE);
-	setState(OBJECT_DIRTY);
+	removeObject((LLDrawable*)entry->getDrawable(), TRUE);
+	LLviewerOctreeGroup::handleRemoval(node, entry);
 }
 
 void LLSpatialGroup::handleDestruction(const TreeNode* node)
@@ -1390,15 +845,22 @@ void LLSpatialGroup::handleDestruction(const TreeNode* node)
 	
 	for (element_iter i = getDataBegin(); i != getDataEnd(); ++i)
 	{
-		LLDrawable* drawable = *i;
-		if (drawable->getSpatialGroup() == this)
+		LLViewerOctreeEntry* entry = *i;
+		if (entry->getGroup() == this)
 		{
-			drawable->setSpatialGroup(NULL);
+			if(entry->hasDrawable())
+			{
+				((LLDrawable*)entry->getDrawable())->setGroup(NULL);
+			}
+			else
+		{
+				llerrs << "No Drawable found in the entry." << llendl;
+			}
 		}
 	}
 	
 	//clean up avatar attachment stats
-	LLSpatialBridge* bridge = mSpatialPartition->asBridge();
+	LLSpatialBridge* bridge = getSpatialPartition()->asBridge();
 	if (bridge)
 	{
 		if (bridge->mAvatar.notNull())
@@ -1415,21 +877,11 @@ void LLSpatialGroup::handleDestruction(const TreeNode* node)
 	mOctreeNode = NULL;
 }
 
-void LLSpatialGroup::handleStateChange(const TreeNode* node)
-{
-	//drop bounding box upon state change
-	if (mOctreeNode != node)
-	{
-		mOctreeNode = (OctreeNode*) node;
-	}
-	unbound();
-}
-
 void LLSpatialGroup::handleChildAddition(const OctreeNode* parent, OctreeNode* child) 
 {
 	if (child->getListenerCount() == 0)
 	{
-		new LLSpatialGroup(child, mSpatialPartition);
+		new LLSpatialGroup(child, getSpatialPartition());
 	}
 	else
 	{
@@ -1441,11 +893,6 @@ void LLSpatialGroup::handleChildAddition(const OctreeNode* parent, OctreeNode* c
 	assert_states_valid(this);
 }
 
-void LLSpatialGroup::handleChildRemoval(const OctreeNode* parent, const OctreeNode* child)
-{
-	unbound();
-}
-
 void LLSpatialGroup::destroyGL(bool keep_occlusion) 
 {
 	setState(LLSpatialGroup::GEOM_DIRTY | LLSpatialGroup::IMAGE_DIRTY);
@@ -1463,20 +910,17 @@ void LLSpatialGroup::destroyGL(bool keep_occlusion)
 
 	if (!keep_occlusion)
 	{
-		for (U32 i = 0; i < LLViewerCamera::NUM_CAMERAS; i++)
-		{
-			if (mOcclusionQuery[i])
-			{
-				sQueryPool.release(mOcclusionQuery[i]);
-				mOcclusionQuery[i] = 0;
-			}
-		}
+		releaseOcclusionQueryObjectNames();
 	}
 
 
 	for (LLSpatialGroup::element_iter i = getDataBegin(); i != getDataEnd(); ++i)
 	{
-		LLDrawable* drawable = *i;
+		LLDrawable* drawable = (LLDrawable*)(*i)->getDrawable();
+		if(!drawable)
+		{
+			continue;
+		}
 		for (S32 j = 0; j < drawable->getNumFaces(); j++)
 		{
 			LLFace* facep = drawable->getFace(j);
@@ -1488,318 +932,27 @@ void LLSpatialGroup::destroyGL(bool keep_occlusion)
 	}
 }
 
-BOOL LLSpatialGroup::rebound()
-{
-	if (!isState(DIRTY))
-	{	//return TRUE if we're not empty
-		return TRUE;
-	}
-	
-	if (mOctreeNode->getChildCount() == 1 && mOctreeNode->getElementCount() == 0)
-	{
-		LLSpatialGroup* group = (LLSpatialGroup*) mOctreeNode->getChild(0)->getListener(0);
-		group->rebound();
-		
-		//copy single child's bounding box
-		mBounds[0] = group->mBounds[0];
-		mBounds[1] = group->mBounds[1];
-		mExtents[0] = group->mExtents[0];
-		mExtents[1] = group->mExtents[1];
-		
-		group->setState(SKIP_FRUSTUM_CHECK);
-	}
-	else if (mOctreeNode->isLeaf())
-	{ //copy object bounding box if this is a leaf
-		boundObjects(TRUE, mExtents[0], mExtents[1]);
-		mBounds[0] = mObjectBounds[0];
-		mBounds[1] = mObjectBounds[1];
-	}
-	else
-	{
-		LLVector4a& newMin = mExtents[0];
-		LLVector4a& newMax = mExtents[1];
-		LLSpatialGroup* group = (LLSpatialGroup*) mOctreeNode->getChild(0)->getListener(0);
-		group->clearState(SKIP_FRUSTUM_CHECK);
-		group->rebound();
-		//initialize to first child
-		newMin = group->mExtents[0];
-		newMax = group->mExtents[1];
-
-		//first, rebound children
-		for (U32 i = 1; i < mOctreeNode->getChildCount(); i++)
-		{
-			group = (LLSpatialGroup*) mOctreeNode->getChild(i)->getListener(0);
-			group->clearState(SKIP_FRUSTUM_CHECK);
-			group->rebound();
-			const LLVector4a& max = group->mExtents[1];
-			const LLVector4a& min = group->mExtents[0];
-
-			newMax.setMax(newMax, max);
-			newMin.setMin(newMin, min);
-		}
-
-		boundObjects(FALSE, newMin, newMax);
-		
-		mBounds[0].setAdd(newMin, newMax);
-		mBounds[0].mul(0.5f);
-		mBounds[1].setSub(newMax, newMin);
-		mBounds[1].mul(0.5f);
-	}
-	
-	clearState(DIRTY);
-
-	return TRUE;
-}
-
-static LLFastTimer::DeclareTimer FTM_OCCLUSION_READBACK("Readback Occlusion");
-static LLFastTimer::DeclareTimer FTM_OCCLUSION_WAIT("Occlusion Wait");
-
-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
-			clearOcclusionState(QUERY_PENDING | DISCARD_QUERY);
-		}
-		else if (isOcclusionState(QUERY_PENDING))
-		{	//otherwise, if a query is pending, read it back
-
-			GLuint available = 0;
-			if (mOcclusionQuery[LLViewerCamera::sCurCameraID])
-			{
-				glGetQueryObjectuivARB(mOcclusionQuery[LLViewerCamera::sCurCameraID], GL_QUERY_RESULT_AVAILABLE_ARB, &available);
-
-				static LLCachedControl<bool> wait_for_query(gSavedSettings, "RenderSynchronousOcclusion");
-
-				if (wait_for_query && mOcclusionIssued[LLViewerCamera::sCurCameraID] < gFrameCount)
-				{ //query was issued last frame, wait until it's available
-					S32 max_loop = 1024;
-					LLFastTimer t(FTM_OCCLUSION_WAIT);
-					while (!available && max_loop-- > 0)
-					{
-						F32 max_time = llmin(gFrameIntervalSeconds*10.f, 1.f);
-						//do some usefu work while we wait
-						LLAppViewer::getTextureCache()->update(max_time); // unpauses the texture cache thread
-						LLAppViewer::getImageDecodeThread()->update(max_time); // unpauses the image thread
-						LLAppViewer::getTextureFetch()->update(max_time); // unpauses the texture fetch thread
-						
-						glGetQueryObjectuivARB(mOcclusionQuery[LLViewerCamera::sCurCameraID], GL_QUERY_RESULT_AVAILABLE_ARB, &available);
-					}
-				}
-			}
-			else
-			{
-				available = 1;
-			}
-
-			if (available)
-			{ //result is available, read it back, otherwise wait until next frame
-				GLuint res = 1;
-				if (!isOcclusionState(DISCARD_QUERY) && mOcclusionQuery[LLViewerCamera::sCurCameraID])
-				{
-					glGetQueryObjectuivARB(mOcclusionQuery[LLViewerCamera::sCurCameraID], GL_QUERY_RESULT_ARB, &res);	
-#if LL_TRACK_PENDING_OCCLUSION_QUERIES
-					sPendingQueries.erase(mOcclusionQuery[LLViewerCamera::sCurCameraID]);
-#endif
-				}
-				else if (mOcclusionQuery[LLViewerCamera::sCurCameraID])
-				{ //delete the query to avoid holding onto hundreds of pending queries
-					sQueryPool.release(mOcclusionQuery[LLViewerCamera::sCurCameraID]);
-					mOcclusionQuery[LLViewerCamera::sCurCameraID] = 0;
-				}
-				
-				if (isOcclusionState(DISCARD_QUERY))
-				{
-					res = 2;
-				}
-
-				if (res > 0)
-				{
-					assert_states_valid(this);
-					clearOcclusionState(LLSpatialGroup::OCCLUDED, LLSpatialGroup::STATE_MODE_DIFF);
-					assert_states_valid(this);
-				}
-				else
-				{
-					assert_states_valid(this);
-					
-					setOcclusionState(LLSpatialGroup::OCCLUDED, LLSpatialGroup::STATE_MODE_DIFF);
-					
-					assert_states_valid(this);
-				}
-
-				clearOcclusionState(QUERY_PENDING | DISCARD_QUERY);
-			}
-		}
-		else if (mSpatialPartition->isOcclusionEnabled() && isOcclusionState(LLSpatialGroup::OCCLUDED))
-		{	//check occlusion has been issued for occluded node that has not had a query issued
-			assert_states_valid(this);
-			clearOcclusionState(LLSpatialGroup::OCCLUDED, LLSpatialGroup::STATE_MODE_DIFF);
-			assert_states_valid(this);
-		}
-	}
-}
-
-static LLFastTimer::DeclareTimer FTM_PUSH_OCCLUSION_VERTS("Push Occlusion");
-static LLFastTimer::DeclareTimer FTM_SET_OCCLUSION_STATE("Occlusion State");
-static LLFastTimer::DeclareTimer FTM_OCCLUSION_EARLY_FAIL("Occlusion Early Fail");
-static LLFastTimer::DeclareTimer FTM_OCCLUSION_ALLOCATE("Allocate");
-static LLFastTimer::DeclareTimer FTM_OCCLUSION_BUILD("Build");
-static LLFastTimer::DeclareTimer FTM_OCCLUSION_BEGIN_QUERY("Begin Query");
-static LLFastTimer::DeclareTimer FTM_OCCLUSION_END_QUERY("End Query");
-static LLFastTimer::DeclareTimer FTM_OCCLUSION_SET_BUFFER("Set Buffer");
-static LLFastTimer::DeclareTimer FTM_OCCLUSION_DRAW_WATER("Draw Water");
-static LLFastTimer::DeclareTimer FTM_OCCLUSION_DRAW("Draw");
-
-
-
-void LLSpatialGroup::doOcclusion(LLCamera* camera)
-{
-	if (mSpatialPartition->isOcclusionEnabled() && LLPipeline::sUseOcclusion > 1)
-	{
-		// Don't cull hole/edge water, unless we have the GL_ARB_depth_clamp extension
-		if (earlyFail(camera, this))
-		{
-			LLFastTimer t(FTM_OCCLUSION_EARLY_FAIL);
-			setOcclusionState(LLSpatialGroup::DISCARD_QUERY);
-			assert_states_valid(this);
-			clearOcclusionState(LLSpatialGroup::OCCLUDED, LLSpatialGroup::STATE_MODE_DIFF);
-			assert_states_valid(this);
-		}
-		else
-		{
-			if (!isOcclusionState(QUERY_PENDING) || isOcclusionState(DISCARD_QUERY))
-			{
-				{ //no query pending, or previous query to be discarded
-					LLFastTimer t(FTM_RENDER_OCCLUSION);
-
-					if (!mOcclusionQuery[LLViewerCamera::sCurCameraID])
-					{
-						LLFastTimer t(FTM_OCCLUSION_ALLOCATE);
-						mOcclusionQuery[LLViewerCamera::sCurCameraID] = sQueryPool.allocate();
-					}
-
-					// Depth clamp all water to avoid it being culled as a result of being
-					// behind the far clip plane, and in the case of edge water to avoid
-					// it being culled while still visible.
-					bool const use_depth_clamp = gGLManager.mHasDepthClamp &&
-												(mSpatialPartition->mDrawableType == LLDrawPool::POOL_WATER ||						
-												mSpatialPartition->mDrawableType == LLDrawPool::POOL_VOIDWATER);
-
-					LLGLEnable clamp(use_depth_clamp ? GL_DEPTH_CLAMP : 0);				
-						
-#if !LL_DARWIN					
-					U32 mode = gGLManager.mHasOcclusionQuery2 ? GL_ANY_SAMPLES_PASSED : GL_SAMPLES_PASSED_ARB;
-#else
-					U32 mode = GL_SAMPLES_PASSED_ARB;
-#endif
-					
-#if LL_TRACK_PENDING_OCCLUSION_QUERIES
-					sPendingQueries.insert(mOcclusionQuery[LLViewerCamera::sCurCameraID]);
-#endif
-
-					{
-						LLFastTimer t(FTM_PUSH_OCCLUSION_VERTS);
-						
-						//store which frame this query was issued on
-						mOcclusionIssued[LLViewerCamera::sCurCameraID] = gFrameCount;
-
-						{
-							LLFastTimer t(FTM_OCCLUSION_BEGIN_QUERY);
-							glBeginQueryARB(mode, mOcclusionQuery[LLViewerCamera::sCurCameraID]);					
-						}
-					
-						LLGLSLShader* shader = LLGLSLShader::sCurBoundShaderPtr;
-						llassert(shader);
-
-						shader->uniform3fv(LLShaderMgr::BOX_CENTER, 1, mBounds[0].getF32ptr());
-						shader->uniform3f(LLShaderMgr::BOX_SIZE, mBounds[1][0]+SG_OCCLUSION_FUDGE, 
-																 mBounds[1][1]+SG_OCCLUSION_FUDGE, 
-																 mBounds[1][2]+SG_OCCLUSION_FUDGE);
-
-						if (!use_depth_clamp && mSpatialPartition->mDrawableType == LLDrawPool::POOL_VOIDWATER)
-						{
-							LLFastTimer t(FTM_OCCLUSION_DRAW_WATER);
-
-							LLGLSquashToFarClip squash(glh_get_current_projection(), 1);
-							if (camera->getOrigin().isExactlyZero())
-							{ //origin is invalid, draw entire box
-								gPipeline.mCubeVB->drawRange(LLRender::TRIANGLE_FAN, 0, 7, 8, 0);
-								gPipeline.mCubeVB->drawRange(LLRender::TRIANGLE_FAN, 0, 7, 8, b111*8);				
-							}
-							else
-							{
-								gPipeline.mCubeVB->drawRange(LLRender::TRIANGLE_FAN, 0, 7, 8, get_box_fan_indices(camera, mBounds[0]));
-							}
-						}
-						else
-						{
-							LLFastTimer t(FTM_OCCLUSION_DRAW);
-							if (camera->getOrigin().isExactlyZero())
-							{ //origin is invalid, draw entire box
-								gPipeline.mCubeVB->drawRange(LLRender::TRIANGLE_FAN, 0, 7, 8, 0);
-								gPipeline.mCubeVB->drawRange(LLRender::TRIANGLE_FAN, 0, 7, 8, b111*8);				
-							}
-							else
-							{
-								gPipeline.mCubeVB->drawRange(LLRender::TRIANGLE_FAN, 0, 7, 8, get_box_fan_indices(camera, mBounds[0]));
-							}
-						}
-
-
-						{
-							LLFastTimer t(FTM_OCCLUSION_END_QUERY);
-							glEndQueryARB(mode);
-						}
-					}
-				}
-
-				{
-					LLFastTimer t(FTM_SET_OCCLUSION_STATE);
-					setOcclusionState(LLSpatialGroup::QUERY_PENDING);
-					clearOcclusionState(LLSpatialGroup::DISCARD_QUERY);
-				}
-			}
-		}
-	}
-}
-
 //==============================================
 
-LLSpatialPartition::LLSpatialPartition(U32 data_mask, BOOL render_by_group, U32 buffer_usage)
+LLSpatialPartition::LLSpatialPartition(U32 data_mask, BOOL render_by_group, U32 buffer_usage, LLViewerRegion* regionp)
 : mRenderByGroup(render_by_group), mBridge(NULL)
 {
-	mOcclusionEnabled = TRUE;
-	mDrawableType = 0;
+	mRegionp = regionp;		
 	mPartitionType = LLViewerRegion::PARTITION_NONE;
-	mLODSeed = 0;
-	mLODPeriod = 1;
 	mVertexDataMask = data_mask;
 	mBufferUsage = buffer_usage;
 	mDepthMask = FALSE;
 	mSlopRatio = 0.25f;
 	mInfiniteFarClip = FALSE;
 
-	LLVector4a center, size;
-	center.splat(0.f);
-	size.splat(1.f);
-
-	mOctree = new LLSpatialGroup::OctreeRoot(center,size,
-											NULL);
 	new LLSpatialGroup(mOctree, this);
 }
 
 
 LLSpatialPartition::~LLSpatialPartition()
 {
-	delete mOctree;
-	mOctree = NULL;
 }
 
-
 LLSpatialGroup *LLSpatialPartition::put(LLDrawable *drawablep, BOOL was_visible)
 {
 	drawablep->updateSpatialExtents();
@@ -1807,11 +960,15 @@ LLSpatialGroup *LLSpatialPartition::put(LLDrawable *drawablep, BOOL was_visible)
 	//keep drawable from being garbage collected
 	LLPointer<LLDrawable> ptr = drawablep;
 		
+	if(!drawablep->getGroup())
+	{
 	assert_octree_valid(mOctree);
-	mOctree->insert(drawablep);
+		mOctree->insert(drawablep->getEntry());
 	assert_octree_valid(mOctree);
+	}	
 	
 	LLSpatialGroup* group = drawablep->getSpatialGroup();
+	llassert(group != NULL);
 
 	if (group && was_visible && group->isOcclusionState(LLSpatialGroup::QUERY_PENDING))
 	{
@@ -1829,11 +986,9 @@ BOOL LLSpatialPartition::remove(LLDrawable *drawablep, LLSpatialGroup *curp)
 	}
 	else
 	{
-		drawablep->setSpatialGroup(NULL);
+		drawablep->setGroup(NULL);
 	}
 
-	drawablep->setSpatialGroup(NULL);
-
 	assert_octree_valid(mOctree);
 	
 	return TRUE;
@@ -1851,11 +1006,11 @@ void LLSpatialPartition::move(LLDrawable *drawablep, LLSpatialGroup *curp, BOOL
 		
 	BOOL was_visible = curp ? curp->isVisible() : FALSE;
 
-	if (curp && curp->mSpatialPartition != this)
+	if (curp && curp->getSpatialPartition() != this)
 	{
 		//keep drawable from being garbage collected
 		LLPointer<LLDrawable> ptr = drawablep;
-		if (curp->mSpatialPartition->remove(drawablep, curp))
+		if (curp->getSpatialPartition()->remove(drawablep, curp))
 		{
 			put(drawablep, was_visible);
 			return;
@@ -1883,13 +1038,13 @@ void LLSpatialPartition::move(LLDrawable *drawablep, LLSpatialGroup *curp, BOOL
 	put(drawablep, was_visible);
 }
 
-class LLSpatialShift : public LLSpatialGroup::OctreeTraveler
+class LLSpatialShift : public OctreeTraveler
 {
 public:
 	const LLVector4a& mOffset;
 
 	LLSpatialShift(const LLVector4a& offset) : mOffset(offset) { }
-	virtual void visit(const LLSpatialGroup::OctreeNode* branch) 
+	virtual void visit(const OctreeNode* branch) 
 	{ 
 		((LLSpatialGroup*) branch->getListener(0))->shift(mOffset); 
 	}
@@ -1901,17 +1056,17 @@ void LLSpatialPartition::shift(const LLVector4a &offset)
 	shifter.traverse(mOctree);
 }
 
-class LLOctreeCull : public LLSpatialGroup::OctreeTraveler
+class LLOctreeCull : public LLViewerOctreeCull
 {
 public:
-	LLOctreeCull(LLCamera* camera)
-		: mCamera(camera), mRes(0) { }
+	LLOctreeCull(LLCamera* camera) : LLViewerOctreeCull(camera) {}
 
-	virtual bool earlyFail(LLSpatialGroup* group)
+	virtual bool earlyFail(LLviewerOctreeGroup* base_group)
 	{
+		LLSpatialGroup* group = (LLSpatialGroup*)base_group;
 		group->checkOcclusion();
 
-		if (group->mOctreeNode->getParent() &&	//never occlusion cull the root node
+		if (group->getOctreeNode()->getParent() &&	//never occlusion cull the root node
 		  	LLPipeline::sUseOcclusion &&			//ignore occlusion if disabled
 			group->isOcclusionState(LLSpatialGroup::OCCLUDED))
 		{
@@ -1922,78 +1077,29 @@ public:
 		return false;
 	}
 	
-	virtual void traverse(const LLSpatialGroup::OctreeNode* n)
+	virtual S32 frustumCheck(const LLviewerOctreeGroup* group)
 	{
-		LLSpatialGroup* group = (LLSpatialGroup*) n->getListener(0);
-
-		if (earlyFail(group))
-		{
-			return;
-		}
-		
-		if (mRes == 2 || 
-			(mRes && group->isState(LLSpatialGroup::SKIP_FRUSTUM_CHECK)))
-		{	//fully in, just add everything
-			LLSpatialGroup::OctreeTraveler::traverse(n);
-		}
-		else
-		{
-			mRes = frustumCheck(group);
-				
-			if (mRes)
-			{ //at least partially in, run on down
-				LLSpatialGroup::OctreeTraveler::traverse(n);
-			}
-
-			mRes = 0;
-		}
-	}
-	
-	virtual S32 frustumCheck(const LLSpatialGroup* group)
-	{
-		S32 res = mCamera->AABBInFrustumNoFarClip(group->mBounds[0], group->mBounds[1]);
+		S32 res = AABBInFrustumNoFarClipGroupBounds(group);
 		if (res != 0)
 		{
-			res = llmin(res, AABBSphereIntersect(group->mExtents[0], group->mExtents[1], mCamera->getOrigin(), mCamera->mFrustumCornerDist));
+			res = llmin(res, AABBSphereIntersectGroupExtents(group));
 		}
 		return res;
 	}
 
-	virtual S32 frustumCheckObjects(const LLSpatialGroup* group)
+	virtual S32 frustumCheckObjects(const LLviewerOctreeGroup* group)
 	{
-		S32 res = mCamera->AABBInFrustumNoFarClip(group->mObjectBounds[0], group->mObjectBounds[1]);
+		S32 res = AABBInFrustumNoFarClipObjectBounds(group);
 		if (res != 0)
 		{
-			res = llmin(res, AABBSphereIntersect(group->mObjectExtents[0], group->mObjectExtents[1], mCamera->getOrigin(), mCamera->mFrustumCornerDist));
+			res = llmin(res, AABBSphereIntersectObjectExtents(group));
 		}
 		return res;
 	}
 
-	virtual bool checkObjects(const LLSpatialGroup::OctreeNode* branch, const LLSpatialGroup* group)
-	{
-		if (branch->getElementCount() == 0) //no elements
-		{
-			return false;
-		}
-		else if (branch->getChildCount() == 0) //leaf state, already checked tightest bounding box
-		{
-			return true;
-		}
-		else if (mRes == 1 && !frustumCheckObjects(group)) //no objects in frustum
-		{
-			return false;
-		}
-		
-		return true;
-	}
-
-	virtual void preprocess(LLSpatialGroup* group)
-	{
-		
-	}
-	
-	virtual void processGroup(LLSpatialGroup* group)
+	virtual void processGroup(LLviewerOctreeGroup* base_group)
 	{
+		LLSpatialGroup* group = (LLSpatialGroup*)base_group;
 		if (group->needsUpdate() ||
 			group->mVisible[LLViewerCamera::sCurCameraID] < LLDrawable::getCurrentFrame() - 1)
 		{
@@ -2001,21 +1107,6 @@ public:
 		}
 		gPipeline.markNotCulled(group, *mCamera);
 	}
-	
-	virtual void visit(const LLSpatialGroup::OctreeNode* branch) 
-	{	
-		LLSpatialGroup* group = (LLSpatialGroup*) branch->getListener(0);
-
-		preprocess(group);
-		
-		if (checkObjects(branch, group))
-		{
-			processGroup(group);
-		}
-	}
-
-	LLCamera *mCamera;
-	S32 mRes;
 };
 
 class LLOctreeCullNoFarClip : public LLOctreeCull
@@ -2024,14 +1115,14 @@ public:
 	LLOctreeCullNoFarClip(LLCamera* camera) 
 		: LLOctreeCull(camera) { }
 
-	virtual S32 frustumCheck(const LLSpatialGroup* group)
+	virtual S32 frustumCheck(const LLviewerOctreeGroup* group)
 	{
-		return mCamera->AABBInFrustumNoFarClip(group->mBounds[0], group->mBounds[1]);
+		return AABBInFrustumNoFarClipGroupBounds(group);
 	}
 
-	virtual S32 frustumCheckObjects(const LLSpatialGroup* group)
+	virtual S32 frustumCheckObjects(const LLviewerOctreeGroup* group)
 	{
-		S32 res = mCamera->AABBInFrustumNoFarClip(group->mObjectBounds[0], group->mObjectBounds[1]);
+		S32 res = AABBInFrustumNoFarClipObjectBounds(group);
 		return res;
 	}
 };
@@ -2042,14 +1133,14 @@ public:
 	LLOctreeCullShadow(LLCamera* camera)
 		: LLOctreeCull(camera) { }
 
-	virtual S32 frustumCheck(const LLSpatialGroup* group)
+	virtual S32 frustumCheck(const LLviewerOctreeGroup* group)
 	{
-		return mCamera->AABBInFrustum(group->mBounds[0], group->mBounds[1]);
+		return AABBInFrustumGroupBounds(group);
 	}
 
-	virtual S32 frustumCheckObjects(const LLSpatialGroup* group)
+	virtual S32 frustumCheckObjects(const LLviewerOctreeGroup* group)
 	{
-		return mCamera->AABBInFrustum(group->mObjectBounds[0], group->mObjectBounds[1]);
+		return AABBInFrustumObjectBounds(group);
 	}
 };
 
@@ -2059,9 +1150,11 @@ public:
 	LLOctreeCullVisExtents(LLCamera* camera, LLVector4a& min, LLVector4a& max)
 		: LLOctreeCullShadow(camera), mMin(min), mMax(max), mEmpty(TRUE) { }
 
-	virtual bool earlyFail(LLSpatialGroup* group)
+	virtual bool earlyFail(LLviewerOctreeGroup* base_group)
 	{
-		if (group->mOctreeNode->getParent() &&	//never occlusion cull the root node
+		LLSpatialGroup* group = (LLSpatialGroup*)base_group;
+
+		if (group->getOctreeNode()->getParent() &&	//never occlusion cull the root node
 			LLPipeline::sUseOcclusion &&			//ignore occlusion if disabled
 			group->isOcclusionState(LLSpatialGroup::OCCLUDED))
 		{
@@ -2071,7 +1164,7 @@ public:
 		return false;
 	}
 
-	virtual void traverse(const LLSpatialGroup::OctreeNode* n)
+	virtual void traverse(const OctreeNode* n)
 	{
 		LLSpatialGroup* group = (LLSpatialGroup*) n->getListener(0);
 
@@ -2080,10 +1173,10 @@ public:
 			return;
 		}
 		
-		if ((mRes && group->isState(LLSpatialGroup::SKIP_FRUSTUM_CHECK)) ||
+		if ((mRes && group->hasState(LLSpatialGroup::SKIP_FRUSTUM_CHECK)) ||
 			mRes == 2)
 		{	//don't need to do frustum check
-			LLSpatialGroup::OctreeTraveler::traverse(n);
+			OctreeTraveler::traverse(n);
 		}
 		else
 		{  
@@ -2091,31 +1184,35 @@ public:
 				
 			if (mRes)
 			{ //at least partially in, run on down
-				LLSpatialGroup::OctreeTraveler::traverse(n);
+				OctreeTraveler::traverse(n);
 			}
 
 			mRes = 0;
 		}
 	}
 
-	virtual void processGroup(LLSpatialGroup* group)
+	virtual void processGroup(LLviewerOctreeGroup* base_group)
 	{
-		llassert(!group->isState(LLSpatialGroup::DIRTY) && !group->isEmpty())
+		LLSpatialGroup* group = (LLSpatialGroup*)base_group;
+		
+		llassert(!group->hasState(LLSpatialGroup::DIRTY) && !group->isEmpty())
 		
 		if (mRes < 2)
 		{
-			if (mCamera->AABBInFrustum(group->mObjectBounds[0], group->mObjectBounds[1]) > 0)
+			if (AABBInFrustumObjectBounds(group) > 0)
 			{
 				mEmpty = FALSE;
-				update_min_max(mMin, mMax, group->mObjectExtents[0]);
-				update_min_max(mMin, mMax, group->mObjectExtents[1]);
+				const LLVector4a* exts = group->getObjectExtents();
+				update_min_max(mMin, mMax, exts[0]);
+				update_min_max(mMin, mMax, exts[1]);
 			}
 		}
 		else
 		{
 			mEmpty = FALSE;
-			update_min_max(mMin, mMax, group->mExtents[0]);
-			update_min_max(mMin, mMax, group->mExtents[1]);
+			const LLVector4a* exts = group->getExtents();
+			update_min_max(mMin, mMax, exts[0]);
+			update_min_max(mMin, mMax, exts[1]);
 		}
 	}
 
@@ -2130,10 +1227,12 @@ public:
 	LLOctreeCullDetectVisible(LLCamera* camera)
 		: LLOctreeCullShadow(camera), mResult(FALSE) { }
 
-	virtual bool earlyFail(LLSpatialGroup* group)
+	virtual bool earlyFail(LLviewerOctreeGroup* base_group)
 	{
+		LLSpatialGroup* group = (LLSpatialGroup*)base_group;
+
 		if (mResult || //already found a node, don't check any more
-			(group->mOctreeNode->getParent() &&	//never occlusion cull the root node
+			(group->getOctreeNode()->getParent() &&	//never occlusion cull the root node
 			 LLPipeline::sUseOcclusion &&			//ignore occlusion if disabled
 			 group->isOcclusionState(LLSpatialGroup::OCCLUDED)))
 		{
@@ -2143,9 +1242,9 @@ public:
 		return false;
 	}
 
-	virtual void processGroup(LLSpatialGroup* group)
+	virtual void processGroup(LLviewerOctreeGroup* base_group)
 	{
-		if (group->isVisible())
+		if (base_group->isVisible())
 		{
 			mResult = TRUE;
 		}
@@ -2160,17 +1259,21 @@ public:
 	LLOctreeSelect(LLCamera* camera, std::vector<LLDrawable*>* results)
 		: LLOctreeCull(camera), mResults(results) { }
 
-	virtual bool earlyFail(LLSpatialGroup* group) { return false; }
-	virtual void preprocess(LLSpatialGroup* group) { }
+	virtual bool earlyFail(LLviewerOctreeGroup* group) { return false; }
+	virtual void preprocess(LLviewerOctreeGroup* group) { }
 
-	virtual void processGroup(LLSpatialGroup* group)
+	virtual void processGroup(LLviewerOctreeGroup* base_group)
 	{
-		LLSpatialGroup::OctreeNode* branch = group->mOctreeNode;
+		LLSpatialGroup* group = (LLSpatialGroup*)base_group;
+		OctreeNode* branch = group->getOctreeNode();
 
-		for (LLSpatialGroup::OctreeNode::const_element_iter i = branch->getDataBegin(); i != branch->getDataEnd(); ++i)
+		for (OctreeNode::const_element_iter i = branch->getDataBegin(); i != branch->getDataEnd(); ++i)
 		{
-			LLDrawable* drawable = *i;
-			
+			LLDrawable* drawable = (LLDrawable*)(*i)->getDrawable();
+			if(!drawable)
+		{
+				continue;
+			}
 			if (!drawable->isDead())
 			{
 				if (drawable->isSpatialBridge())
@@ -2283,18 +1386,22 @@ void drawBoxOutline(const LLVector4a& pos, const LLVector4a& size)
 	drawBoxOutline(reinterpret_cast<const LLVector3&>(pos), reinterpret_cast<const LLVector3&>(size));
 }
 
-class LLOctreeDirty : public LLOctreeTraveler<LLDrawable>
+class LLOctreeDirty : public OctreeTraveler
 {
 public:
-	virtual void visit(const LLOctreeNode<LLDrawable>* state)
+	virtual void visit(const OctreeNode* state)
 	{
 		LLSpatialGroup* group = (LLSpatialGroup*) state->getListener(0);
 		group->destroyGL();
 
 		for (LLSpatialGroup::element_iter i = group->getDataBegin(); i != group->getDataEnd(); ++i)
 		{
-			LLDrawable* drawable = *i;
-			if (drawable->getVObj().notNull() && !group->mSpatialPartition->mRenderByGroup)
+			LLDrawable* drawable = (LLDrawable*)(*i)->getDrawable();
+			if(!drawable)
+			{
+				continue;
+			}
+			if (drawable->getVObj().notNull() && !group->getSpatialPartition()->mRenderByGroup)
 			{
 				gPipeline.markRebuild(drawable, LLDrawable::REBUILD_ALL, TRUE);
 			}
@@ -2318,11 +1425,6 @@ void LLSpatialPartition::resetVertexBuffers()
 	dirty.traverse(mOctree);
 }
 
-BOOL LLSpatialPartition::isOcclusionEnabled()
-{
-	return mOcclusionEnabled || LLPipeline::sUseOcclusion > 2;
-}
-
 BOOL LLSpatialPartition::getVisibleExtents(LLCamera& camera, LLVector3& visMin, LLVector3& visMax)
 {
 	LLVector4a visMina, visMaxa;
@@ -2365,13 +1467,28 @@ S32 LLSpatialPartition::cull(LLCamera &camera, std::vector<LLDrawable *>* result
 	((LLSpatialGroup*)mOctree->getListener(0))->validate();
 #endif
 
+	LLOctreeSelect selecter(&camera, results);
+	selecter.traverse(mOctree);
+	
+	return 0;
+}
 	
-	if (for_select)
+S32 LLSpatialPartition::cull(LLCamera &camera)
+{
+#if LL_OCTREE_PARANOIA_CHECK
+	((LLSpatialGroup*)mOctree->getListener(0))->checkStates();
+#endif
 	{
-		LLOctreeSelect selecter(&camera, results);
-		selecter.traverse(mOctree);
+		LLFastTimer ftm(FTM_CULL_REBOUND);		
+		LLSpatialGroup* group = (LLSpatialGroup*) mOctree->getListener(0);
+		group->rebound();
 	}
-	else if (LLPipeline::sShadowRender)
+
+#if LL_OCTREE_PARANOIA_CHECK
+	((LLSpatialGroup*)mOctree->getListener(0))->validate();
+#endif
+
+	if (LLPipeline::sShadowRender)
 	{
 		LLFastTimer ftm(FTM_FRUSTUM_CULL);
 		LLOctreeCullShadow culler(&camera);
@@ -2393,50 +1510,6 @@ S32 LLSpatialPartition::cull(LLCamera &camera, std::vector<LLDrawable *>* result
 	return 0;
 }
 
-BOOL earlyFail(LLCamera* camera, LLSpatialGroup* group)
-{
-	if (camera->getOrigin().isExactlyZero())
-	{
-		return FALSE;
-	}
-
-	const F32 vel = SG_OCCLUSION_FUDGE*2.f;
-	LLVector4a fudge;
-	fudge.splat(vel);
-
-	const LLVector4a& c = group->mBounds[0];
-	LLVector4a r;
-	r.setAdd(group->mBounds[1], fudge);
-
-	/*if (r.magVecSquared() > 1024.0*1024.0)
-	{
-		return TRUE;
-	}*/
-
-	LLVector4a e;
-	e.load3(camera->getOrigin().mV);
-	
-	LLVector4a min;
-	min.setSub(c,r);
-	LLVector4a max;
-	max.setAdd(c,r);
-	
-	S32 lt = e.lessThan(min).getGatheredBits() & 0x7;
-	if (lt)
-	{
-		return FALSE;
-	}
-
-	S32 gt = e.greaterThan(max).getGatheredBits() & 0x7;
-	if (gt)
-	{
-		return FALSE;
-	}
-
-	return TRUE;
-}
-
-
 void pushVerts(LLDrawInfo* params, U32 mask)
 {
 	LLRenderPass::applyModelMatrix(*params);
@@ -2508,7 +1581,7 @@ void pushBufferVerts(LLVertexBuffer* buffer, U32 mask)
 
 void pushBufferVerts(LLSpatialGroup* group, U32 mask)
 {
-	if (group->mSpatialPartition->mRenderByGroup)
+	if (group->getSpatialPartition()->mRenderByGroup)
 	{
 		if (!group->mDrawMap.empty())
 		{
@@ -2531,7 +1604,8 @@ void pushBufferVerts(LLSpatialGroup* group, U32 mask)
 	}
 	else
 	{
-		drawBox(group->mBounds[0], group->mBounds[1]);
+		const LLVector4a* bounds = group->getBounds();
+		drawBox(bounds[0], bounds[1]);
 	}
 }
 
@@ -2576,7 +1650,7 @@ void renderOctree(LLSpatialGroup* group)
 	LLVector4 col;
 	if (group->mBuilt > 0.f)
 	{
-		group->mBuilt -= 2.f * gFrameIntervalSeconds;
+		group->mBuilt -= 2.f * gFrameIntervalSeconds.value();
 		if (group->mBufferUsage == GL_STATIC_DRAW_ARB)
 		{
 			col.setVec(1.0f, 0, 0, group->mBuilt*0.5f);
@@ -2595,14 +1669,20 @@ void renderOctree(LLSpatialGroup* group)
 			gGL.diffuseColor4f(1,0,0,group->mBuilt);
 			gGL.flush();
 			glLineWidth(5.f);
-			drawBoxOutline(group->mObjectBounds[0], group->mObjectBounds[1]);
+
+			const LLVector4a* bounds = group->getObjectBounds();
+			drawBoxOutline(bounds[0], bounds[1]);
 			gGL.flush();
 			glLineWidth(1.f);
 			gGL.flush();
 			for (LLSpatialGroup::element_iter i = group->getDataBegin(); i != group->getDataEnd(); ++i)
 			{
-				LLDrawable* drawable = *i;
-				if (!group->mSpatialPartition->isBridge())
+				LLDrawable* drawable = (LLDrawable*)(*i)->getDrawable();
+				if(!drawable)
+				{
+					continue;
+				}
+				if (!group->getSpatialPartition()->isBridge())
 				{
 					gGL.pushMatrix();
 					LLVector3 trans = drawable->getRegion()->getOriginAgent();
@@ -2634,7 +1714,7 @@ void renderOctree(LLSpatialGroup* group)
 					}
 				}
 
-				if (!group->mSpatialPartition->isBridge())
+				if (!group->getSpatialPartition()->isBridge())
 				{
 					gGL.popMatrix();
 				}
@@ -2646,7 +1726,7 @@ void renderOctree(LLSpatialGroup* group)
 	else
 	{
 		if (group->mBufferUsage == GL_STATIC_DRAW_ARB && !group->isEmpty() 
-			&& group->mSpatialPartition->mRenderByGroup)
+			&& group->getSpatialPartition()->mRenderByGroup)
 		{
 			col.setVec(0.8f, 0.4f, 0.1f, 0.1f);
 		}
@@ -2659,9 +1739,10 @@ void renderOctree(LLSpatialGroup* group)
 	gGL.diffuseColor4fv(col.mV);
 	LLVector4a fudge;
 	fudge.splat(0.001f);
-	LLVector4a size = group->mObjectBounds[1];
-	size.mul(1.01f);
-	size.add(fudge);
+
+	//LLVector4a size = group->mObjectBounds[1];
+	//size.mul(1.01f);
+	//size.add(fudge);
 
 	//{
 	//	LLGLDepthTest depth(GL_TRUE, GL_FALSE);
@@ -2677,10 +1758,12 @@ void renderOctree(LLSpatialGroup* group)
 		//drawBoxOutline(group->mObjectBounds[0], group->mObjectBounds[1]);
 
 		gGL.diffuseColor4f(0,1,1,1);
-		drawBoxOutline(group->mBounds[0],group->mBounds[1]);
+
+		const LLVector4a* bounds = group->getBounds();
+		drawBoxOutline(bounds[0], bounds[1]);
 		
 		//draw bounding box for draw info
-		/*if (group->mSpatialPartition->mRenderByGroup)
+		/*if (group->getSpatialPartition()->mRenderByGroup)
 		{
 			gGL.diffuseColor4f(1.0f, 0.75f, 0.25f, 0.6f);
 			for (LLSpatialGroup::draw_map_t::iterator i = group->mDrawMap.begin(); i != group->mDrawMap.end(); ++i)
@@ -3444,13 +2527,17 @@ void renderPhysicsShape(LLDrawable* drawable, LLVOVolume* volume)
 
 void renderPhysicsShapes(LLSpatialGroup* group)
 {
-	for (LLSpatialGroup::OctreeNode::const_element_iter i = group->getDataBegin(); i != group->getDataEnd(); ++i)
+	for (OctreeNode::const_element_iter i = group->getDataBegin(); i != group->getDataEnd(); ++i)
 	{
-		LLDrawable* drawable = *i;
+		LLDrawable* drawable = (LLDrawable*)(*i)->getDrawable();
+		if(!drawable)
+	{
+			continue;
+		}
 		LLVOVolume* volume = drawable->getVOVolume();
 		if (volume && !volume->isAttachment() && volume->getPhysicsShapeType() != LLViewerObject::PHYSICS_SHAPE_NONE )
 		{
-			if (!group->mSpatialPartition->isBridge())
+			if (!group->getSpatialPartition()->isBridge())
 			{
 				gGL.pushMatrix();
 				LLVector3 trans = drawable->getRegion()->getOriginAgent();
@@ -4003,17 +3090,18 @@ void renderAgentTarget(LLVOAvatar* avatar)
 	}
 }
 
-class LLOctreeRenderNonOccluded : public LLOctreeTraveler<LLDrawable>
+class LLOctreeRenderNonOccluded : public OctreeTraveler
 {
 public:
 	LLCamera* mCamera;
 	LLOctreeRenderNonOccluded(LLCamera* camera): mCamera(camera) {}
 	
-	virtual void traverse(const LLSpatialGroup::OctreeNode* node)
+	virtual void traverse(const OctreeNode* node)
 	{
 		LLSpatialGroup* group = (LLSpatialGroup*) node->getListener(0);
 		
-		if (!mCamera || mCamera->AABBInFrustumNoFarClip(group->mBounds[0], group->mBounds[1]))
+		const LLVector4a* bounds = group->getBounds();
+		if (!mCamera || mCamera->AABBInFrustumNoFarClip(bounds[0], bounds[1]))
 		{
 			node->accept(this);
 			stop_glerror();
@@ -4053,11 +3141,11 @@ public:
 		}
 	}
 
-	virtual void visit(const LLSpatialGroup::OctreeNode* branch)
+	virtual void visit(const OctreeNode* branch)
 	{
 		LLSpatialGroup* group = (LLSpatialGroup*) branch->getListener(0);
-
-		if (group->isState(LLSpatialGroup::GEOM_DIRTY) || (mCamera && !mCamera->AABBInFrustumNoFarClip(group->mBounds[0], group->mBounds[1])))
+		const LLVector4a* bounds = group->getBounds();
+		if (group->hasState(LLSpatialGroup::GEOM_DIRTY) || (mCamera && !mCamera->AABBInFrustumNoFarClip(bounds[0], bounds[1])))
 		{
 			return;
 		}
@@ -4070,14 +3158,19 @@ public:
 			if (!group->isEmpty())
 			{
 				gGL.diffuseColor3f(0,0,1);
-				drawBoxOutline(group->mObjectBounds[0],
-								group->mObjectBounds[1]);
+
+				const LLVector4a* obj_bounds = group->getObjectBounds();
+				drawBoxOutline(obj_bounds[0], obj_bounds[1]);
 			}
 		}
 
-		for (LLSpatialGroup::OctreeNode::const_element_iter i = branch->getDataBegin(); i != branch->getDataEnd(); ++i)
+		for (OctreeNode::const_element_iter i = branch->getDataBegin(); i != branch->getDataEnd(); ++i)
+		{
+			LLDrawable* drawable = (LLDrawable*)(*i)->getDrawable();
+			if(!drawable)
 		{
-			LLDrawable* drawable = *i;
+				continue;
+			}
 					
 			if (gPipeline.hasRenderDebugMask(LLPipeline::RENDER_DEBUG_BBOXES))
 			{
@@ -4200,17 +3293,18 @@ public:
 };
 
 
-class LLOctreeRenderPhysicsShapes : public LLOctreeTraveler<LLDrawable>
+class LLOctreeRenderPhysicsShapes : public OctreeTraveler
 {
 public:
 	LLCamera* mCamera;
 	LLOctreeRenderPhysicsShapes(LLCamera* camera): mCamera(camera) {}
 	
-	virtual void traverse(const LLSpatialGroup::OctreeNode* node)
+	virtual void traverse(const OctreeNode* node)
 	{
 		LLSpatialGroup* group = (LLSpatialGroup*) node->getListener(0);
 		
-		if (!mCamera || mCamera->AABBInFrustumNoFarClip(group->mBounds[0], group->mBounds[1]))
+		const LLVector4a* bounds = group->getBounds();
+		if (!mCamera || mCamera->AABBInFrustumNoFarClip(bounds[0], bounds[1]))
 		{
 			node->accept(this);
 			stop_glerror();
@@ -4228,23 +3322,24 @@ public:
 		}
 	}
 
-	virtual void visit(const LLSpatialGroup::OctreeNode* branch)
+	virtual void visit(const OctreeNode* branch)
 	{
 		
 	}
 };
 
-class LLOctreePushBBoxVerts : public LLOctreeTraveler<LLDrawable>
+class LLOctreePushBBoxVerts : public OctreeTraveler
 {
 public:
 	LLCamera* mCamera;
 	LLOctreePushBBoxVerts(LLCamera* camera): mCamera(camera) {}
 	
-	virtual void traverse(const LLSpatialGroup::OctreeNode* node)
+	virtual void traverse(const OctreeNode* node)
 	{
 		LLSpatialGroup* group = (LLSpatialGroup*) node->getListener(0);
 		
-		if (!mCamera || mCamera->AABBInFrustum(group->mBounds[0], group->mBounds[1]))
+		const LLVector4a* bounds = group->getBounds();
+		if (!mCamera || mCamera->AABBInFrustum(bounds[0], bounds[1]))
 		{
 			node->accept(this);
 
@@ -4255,19 +3350,23 @@ public:
 		}
 	}
 
-	virtual void visit(const LLSpatialGroup::OctreeNode* branch)
+	virtual void visit(const OctreeNode* branch)
 	{
 		LLSpatialGroup* group = (LLSpatialGroup*) branch->getListener(0);
 
-		if (group->isState(LLSpatialGroup::GEOM_DIRTY) || (mCamera && !mCamera->AABBInFrustumNoFarClip(group->mBounds[0], group->mBounds[1])))
+		const LLVector4a* bounds = group->getBounds();
+		if (group->hasState(LLSpatialGroup::GEOM_DIRTY) || (mCamera && !mCamera->AABBInFrustumNoFarClip(bounds[0], bounds[1])))
 		{
 			return;
 		}
 
-		for (LLSpatialGroup::OctreeNode::const_element_iter i = branch->getDataBegin(); i != branch->getDataEnd(); ++i)
+		for (OctreeNode::const_element_iter i = branch->getDataBegin(); i != branch->getDataEnd(); ++i)
+		{
+			LLDrawable* drawable = (LLDrawable*)(*i)->getDrawable();
+			if(!drawable)
 		{
-			LLDrawable* drawable = *i;
-						
+				continue;
+			}
 			renderBoundingBox(drawable, FALSE);			
 		}
 	}
@@ -4279,7 +3378,7 @@ void LLSpatialPartition::renderIntersectingBBoxes(LLCamera* camera)
 	pusher.traverse(mOctree);
 }
 
-class LLOctreeStateCheck : public LLOctreeTraveler<LLDrawable>
+class LLOctreeStateCheck : public OctreeTraveler
 {
 public:
 	U32 mInheritedMask[LLViewerCamera::NUM_CAMERAS];
@@ -4292,7 +3391,7 @@ public:
 		}
 	}
 
-	virtual void traverse(const LLSpatialGroup::OctreeNode* node)
+	virtual void traverse(const OctreeNode* node)
 	{
 		LLSpatialGroup* group = (LLSpatialGroup*) node->getListener(0);
 		
@@ -4319,7 +3418,7 @@ public:
 	}
 	
 
-	virtual void visit(const LLOctreeNode<LLDrawable>* state)
+	virtual void visit(const OctreeNode* state)
 	{
 		LLSpatialGroup* group = (LLSpatialGroup*) state->getListener(0);
 
@@ -4331,7 +3430,7 @@ public:
 			}
 		}
 
-		if (group->isState(LLSpatialGroup::DIRTY))
+		if (group->hasState(LLSpatialGroup::DIRTY))
 		{
 			assert_parent_state(group, LLSpatialGroup::DIRTY);
 		}
@@ -4342,7 +3441,7 @@ public:
 		LLSpatialGroup* parent = group->getParent();
 		while (parent)
 		{
-			if (!parent->isState(state))
+			if (!parent->hasState(state))
 			{
 				llerrs << "Spatial group failed parent state check." << llendl;
 			}
@@ -4457,7 +3556,7 @@ BOOL LLSpatialPartition::isVisible(const LLVector3& v)
 	return TRUE;
 }
 
-class LLOctreeIntersect : public LLSpatialGroup::OctreeTraveler
+class LLOctreeIntersect : public OctreeTraveler
 {
 public:
 	LLVector3 mStart;
@@ -4484,21 +3583,21 @@ public:
 	{
 	}
 	
-	virtual void visit(const LLSpatialGroup::OctreeNode* branch) 
+	virtual void visit(const OctreeNode* branch) 
 	{	
-		for (LLSpatialGroup::OctreeNode::const_element_iter i = branch->getDataBegin(); i != branch->getDataEnd(); ++i)
+		for (OctreeNode::const_element_iter i = branch->getDataBegin(); i != branch->getDataEnd(); ++i)
 		{
 			check(*i);
 		}
 	}
 
-	virtual LLDrawable* check(const LLSpatialGroup::OctreeNode* node)
+	virtual LLDrawable* check(const OctreeNode* node)
 	{
 		node->accept(this);
 	
 		for (U32 i = 0; i < node->getChildCount(); i++)
 		{
-			const LLSpatialGroup::OctreeNode* child = node->getChild(i);
+			const OctreeNode* child = node->getChild(i);
 			LLVector3 res;
 
 			LLSpatialGroup* group = (LLSpatialGroup*) child->getListener(0);
@@ -4506,15 +3605,16 @@ public:
 			LLVector4a size;
 			LLVector4a center;
 			
-			size = group->mBounds[1];
-			center = group->mBounds[0];
+			const LLVector4a* bounds = group->getBounds();
+			size = bounds[1];
+			center = bounds[0];
 			
 			LLVector3 local_start = mStart;
 			LLVector3 local_end   = mEnd;
 
-			if (group->mSpatialPartition->isBridge())
+			if (group->getSpatialPartition()->isBridge())
 			{
-				LLMatrix4 local_matrix = group->mSpatialPartition->asBridge()->mDrawable->getRenderMatrix();
+				LLMatrix4 local_matrix = group->getSpatialPartition()->asBridge()->mDrawable->getRenderMatrix();
 				local_matrix.invert();
 				
 				local_start = mStart * local_matrix;
@@ -4534,8 +3634,10 @@ public:
 		return mHit;
 	}
 
-	virtual bool check(LLDrawable* drawable)
-	{	
+	virtual bool check(LLViewerOctreeEntry* entry)
+	{
+		LLDrawable* drawable = (LLDrawable*)entry->getDrawable();
+	
 		if (!drawable || !gPipeline.hasRenderType(drawable->getRenderType()) || !drawable->isVisible())
 		{
 			return false;
@@ -4926,5 +4028,3 @@ void LLCullResult::assertDrawMapsEmpty()
 	}
 }
 
-
-