Pull and merge from ssh://hg@bitbucket.org/oz_linden/viewer-beta-drtvwr-179.

50 files changed, 1268 insertions, 716 deletions

diff --git a/indra/newview/llappviewer.cpp b/indra/newview/llappviewer.cpp
index b8b7cc0655..4de80037ed 100644
--- a/indra/newview/llappviewer.cpp
+++ b/indra/newview/llappviewer.cpp
@@ -89,6 +89,7 @@
 #include "lllogininstance.h"
 #include "llprogressview.h"
 #include "llvocache.h"
+#include "llvopartgroup.h"
 #include "llweb.h"
 #include "llsecondlifeurls.h"
 #include "llupdaterservice.h"
@@ -679,6 +680,9 @@ bool LLAppViewer::init()
 	// initialize SSE options
 	LLVector4a::initClass();
 
+	//initialize particle index pool
+	LLVOPartGroup::initClass();
+
 	// Need to do this initialization before we do anything else, since anything
 	// that touches files should really go through the lldir API
 	gDirUtilp->initAppDirs("SecondLife");
diff --git a/indra/newview/lldrawable.cpp b/indra/newview/lldrawable.cpp
index 0722e66571..55c780ecba 100644
--- a/indra/newview/lldrawable.cpp
+++ b/indra/newview/lldrawable.cpp
@@ -57,6 +57,8 @@ const F32 MIN_SHADOW_CASTER_RADIUS = 2.0f;
 
 static LLFastTimer::DeclareTimer FTM_CULL_REBOUND("Cull Rebound");
 
+extern bool gShiftFrame;
+
 
 ////////////////////////
 //
@@ -108,6 +110,8 @@ void LLDrawable::init()
 	
 	mGeneration = -1;
 	mBinRadius = 1.f;
+	mBinIndex = -1;
+
 	mSpatialBridge = NULL;
 }
 
@@ -714,6 +718,11 @@ void LLDrawable::updateDistance(LLCamera& camera, bool force_update)
 		return;
 	}
 
+	if (gShiftFrame)
+	{
+		return;
+	}
+
 	//switch LOD with the spatial group to avoid artifacts
 	//LLSpatialGroup* sg = getSpatialGroup();
 
@@ -811,14 +820,19 @@ void LLDrawable::shiftPos(const LLVector4a &shift_vector)
 		mXform.setPosition(mVObjp->getPositionAgent());
 	}
 
-	mXform.setRotation(mVObjp->getRotation());
-	mXform.setScale(1,1,1);
 	mXform.updateMatrix();
 
 	if (isStatic())
 	{
 		LLVOVolume* volume = getVOVolume();
-		if (!volume)
+
+		bool rebuild = (!volume && 
+						getRenderType() != LLPipeline::RENDER_TYPE_TREE &&
+						getRenderType() != LLPipeline::RENDER_TYPE_TERRAIN &&
+						getRenderType() != LLPipeline::RENDER_TYPE_SKY &&
+						getRenderType() != LLPipeline::RENDER_TYPE_GROUND);
+
+		if (rebuild)
 		{
 			gPipeline.markRebuild(this, LLDrawable::REBUILD_ALL, TRUE);
 		}
@@ -832,7 +846,7 @@ void LLDrawable::shiftPos(const LLVector4a &shift_vector)
 				facep->mExtents[0].add(shift_vector);
 				facep->mExtents[1].add(shift_vector);
 			
-				if (!volume && facep->hasGeometry())
+				if (rebuild && facep->hasGeometry())
 				{
 					facep->clearVertexBuffer();
 				}
@@ -943,6 +957,12 @@ void LLDrawable::updateUVMinMax()
 {
 }
 
+LLSpatialGroup* LLDrawable::getSpatialGroup() const
+{ 
+	llassert((mSpatialGroupp == NULL) ? getBinIndex() == -1 : getBinIndex() != -1);
+	return mSpatialGroupp; 
+}
+
 void LLDrawable::setSpatialGroup(LLSpatialGroup *groupp)
 {
 	//precondition: mSpatialGroupp MUST be null or DEAD or mSpatialGroupp MUST NOT contain this
@@ -971,6 +991,8 @@ void LLDrawable::setSpatialGroup(LLSpatialGroup *groupp)
 	}
 
 	mSpatialGroupp = groupp;
+
+	llassert((mSpatialGroupp == NULL) ? getBinIndex() == -1 : getBinIndex() != -1);
 }
 
 LLSpatialPartition* LLDrawable::getSpatialPartition()
@@ -1093,6 +1115,8 @@ LLSpatialBridge::LLSpatialBridge(LLDrawable* root, BOOL render_by_group, U32 dat
 	mDrawable = root;
 	root->setSpatialBridge(this);
 	
+	mBinIndex = -1;
+
 	mRenderType = mDrawable->mRenderType;
 	mDrawableType = mDrawable->mRenderType;
 	
@@ -1397,6 +1421,11 @@ void LLSpatialBridge::updateDistance(LLCamera& camera_in, bool force_update)
 		return;
 	}
 
+	if (gShiftFrame)
+	{
+		return;
+	}
+
 	if (mDrawable->getVObj())
 	{
 		if (mDrawable->getVObj()->isAttachment())
diff --git a/indra/newview/lldrawable.h b/indra/newview/lldrawable.h
index 8c7db61502..960c64fa9e 100644
--- a/indra/newview/lldrawable.h
+++ b/indra/newview/lldrawable.h
@@ -120,6 +120,9 @@ public:
 	F32			          getIntensity() const			{ return llmin(mXform.getScale().mV[0], 4.f); }
 	S32					  getLOD() const				{ return mVObjp ? mVObjp->getLOD() : 1; }
 	F32					  getBinRadius() const			{ return mBinRadius; }
+	S32					  getBinIndex() const			{ return mBinIndex; }
+	void				  setBinIndex(S32 index) const	{ mBinIndex = index; }
+
 	void  getMinMax(LLVector3& min,LLVector3& max) const { mXform.getMinMax(min,max); }
 	LLXformMatrix*		getXform() { return &mXform; }
 
@@ -205,7 +208,7 @@ public:
 	S32 findReferences(LLDrawable *drawablep); // Not const because of @#$! iterators...
 
 	void setSpatialGroup(LLSpatialGroup *groupp);
-	LLSpatialGroup *getSpatialGroup() const			{ return mSpatialGroupp; }
+	LLSpatialGroup *getSpatialGroup() const;
 	LLSpatialPartition* getSpatialPartition();
 	
 	// Statics
@@ -326,6 +329,7 @@ private:
 	mutable U32		mVisible;
 	F32				mRadius;
 	F32				mBinRadius;
+	mutable S32		mBinIndex;
 	S32				mGeneration;
 	
 	LLVector3		mCurrentScale;
diff --git a/indra/newview/lldrawpool.cpp b/indra/newview/lldrawpool.cpp
index 81f4e3d48f..013c698445 100644
--- a/indra/newview/lldrawpool.cpp
+++ b/indra/newview/lldrawpool.cpp
@@ -254,48 +254,6 @@ void LLFacePool::dirtyTextures(const std::set<LLViewerFetchedTexture*>& textures
 {
 }
 
-// static
-S32 LLFacePool::drawLoop(face_array_t& face_list)
-{
-	S32 res = 0;
-	if (!face_list.empty())
-	{
-		for (std::vector<LLFace*>::iterator iter = face_list.begin();
-			 iter != face_list.end(); iter++)
-		{
-			LLFace *facep = *iter;
-			res += facep->renderIndexed();
-		}
-	}
-	return res;
-}
-
-// static
-S32 LLFacePool::drawLoopSetTex(face_array_t& face_list, S32 stage)
-{
-	S32 res = 0;
-	if (!face_list.empty())
-	{
-		for (std::vector<LLFace*>::iterator iter = face_list.begin();
-			 iter != face_list.end(); iter++)
-		{
-			LLFace *facep = *iter;
-			gGL.getTexUnit(stage)->bind(facep->getTexture(), TRUE) ;
-			gGL.getTexUnit(0)->activate();
-			res += facep->renderIndexed();
-		}
-	}
-	return res;
-}
-
-void LLFacePool::drawLoop()
-{
-	if (!mDrawFace.empty())
-	{
-		drawLoop(mDrawFace);
-	}
-}
-
 void LLFacePool::enqueue(LLFace* facep)
 {
 	mDrawFace.push_back(facep);
@@ -443,7 +401,7 @@ void LLRenderPass::renderTexture(U32 type, U32 mask)
 
 void LLRenderPass::pushBatches(U32 type, U32 mask, BOOL texture, BOOL batch_textures)
 {
-	for (LLCullResult::drawinfo_list_t::iterator i = gPipeline.beginRenderMap(type); i != gPipeline.endRenderMap(type); ++i)	
+	for (LLCullResult::drawinfo_iterator i = gPipeline.beginRenderMap(type); i != gPipeline.endRenderMap(type); ++i)	
 	{
 		LLDrawInfo* pparams = *i;
 		if (pparams) 
diff --git a/indra/newview/lldrawpool.h b/indra/newview/lldrawpool.h
index 977acf7aec..ab9bb9e611 100644
--- a/indra/newview/lldrawpool.h
+++ b/indra/newview/lldrawpool.h
@@ -190,10 +190,6 @@ public:
 
 	void buildEdges();
 
-	static S32 drawLoop(face_array_t& face_list);
-	static S32 drawLoopSetTex(face_array_t& face_list, S32 stage);
-	void drawLoop();
-
 	void addFaceReference(LLFace *facep);
 	void removeFaceReference(LLFace *facep);
 
diff --git a/indra/newview/lldrawpoolalpha.cpp b/indra/newview/lldrawpoolalpha.cpp
index 5f2a982ed3..313b310e1e 100644
--- a/indra/newview/lldrawpoolalpha.cpp
+++ b/indra/newview/lldrawpoolalpha.cpp
@@ -348,7 +348,7 @@ void LLDrawPoolAlpha::render(S32 pass)
 
 void LLDrawPoolAlpha::renderAlphaHighlight(U32 mask)
 {
-	for (LLCullResult::sg_list_t::iterator i = gPipeline.beginAlphaGroups(); i != gPipeline.endAlphaGroups(); ++i)
+	for (LLCullResult::sg_iterator i = gPipeline.beginAlphaGroups(); i != gPipeline.endAlphaGroups(); ++i)
 	{
 		LLSpatialGroup* group = *i;
 		if (group->mSpatialPartition->mRenderByGroup &&
@@ -385,7 +385,7 @@ void LLDrawPoolAlpha::renderAlpha(U32 mask)
 	
 	BOOL use_shaders = gPipeline.canUseVertexShaders();
 		
-	for (LLCullResult::sg_list_t::iterator i = gPipeline.beginAlphaGroups(); i != gPipeline.endAlphaGroups(); ++i)
+	for (LLCullResult::sg_iterator i = gPipeline.beginAlphaGroups(); i != gPipeline.endAlphaGroups(); ++i)
 	{
 		LLSpatialGroup* group = *i;
 		llassert(group);
diff --git a/indra/newview/lldrawpoolavatar.cpp b/indra/newview/lldrawpoolavatar.cpp
index ace3a20bbb..730ad1a364 100644
--- a/indra/newview/lldrawpoolavatar.cpp
+++ b/indra/newview/lldrawpoolavatar.cpp
@@ -1036,9 +1036,13 @@ void LLDrawPoolAvatar::endDeferredSkinned()
 	gGL.getTexUnit(0)->activate();
 }
 
+static LLFastTimer::DeclareTimer FTM_RENDER_AVATARS("renderAvatars");
+
 
 void LLDrawPoolAvatar::renderAvatars(LLVOAvatar* single_avatar, S32 pass)
 {
+	LLFastTimer t(FTM_RENDER_AVATARS);
+
 	if (pass == -1)
 	{
 		for (S32 i = 1; i < getNumPasses(); i++)
@@ -1195,15 +1199,6 @@ void LLDrawPoolAvatar::renderAvatars(LLVOAvatar* single_avatar, S32 pass)
 
 	if (pass >= 7 && pass < 9)
 	{
-		LLGLEnable blend(GL_BLEND);
-
-		gGL.setColorMask(true, true);
-		gGL.blendFunc(LLRender::BF_SOURCE_ALPHA,
-					  LLRender::BF_ONE_MINUS_SOURCE_ALPHA,
-					  LLRender::BF_ZERO,
-					  LLRender::BF_ONE_MINUS_SOURCE_ALPHA);
-
-		
 		if (pass == 7)
 		{
 			renderRiggedAlpha(avatarp);
@@ -1219,20 +1214,8 @@ void LLDrawPoolAvatar::renderAvatars(LLVOAvatar* single_avatar, S32 pass)
 
 	if (pass == 9)
 	{
-		LLGLEnable blend(GL_BLEND);
-		LLGLDisable test(GL_ALPHA_TEST);
-		gGL.flush();
-
-		LLGLEnable polyOffset(GL_POLYGON_OFFSET_FILL);
-		glPolygonOffset(-1.0f, -1.0f);
-		gGL.setSceneBlendType(LLRender::BT_ADD);
-
-		LLGLDepthTest depth(GL_TRUE, GL_FALSE);
-		gGL.setColorMask(false, true);
-
 		renderRiggedGlow(avatarp);
-		gGL.setColorMask(true, false);
-		gGL.setSceneBlendType(LLRender::BT_ALPHA);
+		
 		return;
 	}
 	
@@ -1430,7 +1413,7 @@ void LLDrawPoolAvatar::updateRiggedFaceVertexBuffer(LLVOAvatar* avatar, LLFace*
 
 void LLDrawPoolAvatar::renderRigged(LLVOAvatar* avatar, U32 type, bool glow)
 {
-	if (avatar->isSelf() && !gAgent.needsRenderAvatar() || !gMeshRepo.meshRezEnabled())
+	if (avatar->isSelf() && !gAgent.needsRenderAvatar())
 	{
 		return;
 	}
@@ -1559,8 +1542,12 @@ void LLDrawPoolAvatar::renderDeferredRiggedBump(LLVOAvatar* avatar)
 	renderRigged(avatar, RIGGED_DEFERRED_BUMP);
 }
 
+static LLFastTimer::DeclareTimer FTM_RIGGED_VBO("Rigged VBO");
+
 void LLDrawPoolAvatar::updateRiggedVertexBuffers(LLVOAvatar* avatar)
 {
+	LLFastTimer t(FTM_RIGGED_VBO);
+
 	//update rigged vertex buffers
 	for (U32 type = 0; type < NUM_RIGGED_PASSES; ++type)
 	{
@@ -1632,17 +1619,56 @@ void LLDrawPoolAvatar::renderRiggedFullbrightShiny(LLVOAvatar* avatar)
 
 void LLDrawPoolAvatar::renderRiggedAlpha(LLVOAvatar* avatar)
 {
-	renderRigged(avatar, RIGGED_ALPHA);
+	if (!mRiggedFace[RIGGED_ALPHA].empty())
+	{
+		LLGLEnable blend(GL_BLEND);
+
+		gGL.setColorMask(true, true);
+		gGL.blendFunc(LLRender::BF_SOURCE_ALPHA,
+						LLRender::BF_ONE_MINUS_SOURCE_ALPHA,
+						LLRender::BF_ZERO,
+						LLRender::BF_ONE_MINUS_SOURCE_ALPHA);
+
+		renderRigged(avatar, RIGGED_ALPHA);
+	}
 }
 
 void LLDrawPoolAvatar::renderRiggedFullbrightAlpha(LLVOAvatar* avatar)
 {
-	renderRigged(avatar, RIGGED_FULLBRIGHT_ALPHA);
+	if (!mRiggedFace[RIGGED_FULLBRIGHT_ALPHA].empty())
+	{
+		LLGLEnable blend(GL_BLEND);
+
+		gGL.setColorMask(true, true);
+		gGL.blendFunc(LLRender::BF_SOURCE_ALPHA,
+						LLRender::BF_ONE_MINUS_SOURCE_ALPHA,
+						LLRender::BF_ZERO,
+						LLRender::BF_ONE_MINUS_SOURCE_ALPHA);
+
+		renderRigged(avatar, RIGGED_FULLBRIGHT_ALPHA);
+	}
 }
 
 void LLDrawPoolAvatar::renderRiggedGlow(LLVOAvatar* avatar)
 {
-	renderRigged(avatar, RIGGED_GLOW, true);
+	if (!mRiggedFace[RIGGED_GLOW].empty())
+	{
+		LLGLEnable blend(GL_BLEND);
+		LLGLDisable test(GL_ALPHA_TEST);
+		gGL.flush();
+
+		LLGLEnable polyOffset(GL_POLYGON_OFFSET_FILL);
+		glPolygonOffset(-1.0f, -1.0f);
+		gGL.setSceneBlendType(LLRender::BT_ADD);
+
+		LLGLDepthTest depth(GL_TRUE, GL_FALSE);
+		gGL.setColorMask(false, true);
+
+		renderRigged(avatar, RIGGED_GLOW, true);
+
+		gGL.setColorMask(true, false);
+		gGL.setSceneBlendType(LLRender::BT_ALPHA);
+	}
 }
 
 
diff --git a/indra/newview/lldrawpoolbump.cpp b/indra/newview/lldrawpoolbump.cpp
index 6f71e6ebc8..a264eae302 100644
--- a/indra/newview/lldrawpoolbump.cpp
+++ b/indra/newview/lldrawpoolbump.cpp
@@ -847,12 +847,12 @@ void LLDrawPoolBump::renderDeferred(S32 pass)
 	LLFastTimer ftm(FTM_RENDER_BUMP);
 
 	U32 type = LLRenderPass::PASS_BUMP;
-	LLCullResult::drawinfo_list_t::iterator begin = gPipeline.beginRenderMap(type);
-	LLCullResult::drawinfo_list_t::iterator end = gPipeline.endRenderMap(type);
+	LLCullResult::drawinfo_iterator begin = gPipeline.beginRenderMap(type);
+	LLCullResult::drawinfo_iterator end = gPipeline.endRenderMap(type);
 
 	U32 mask = LLVertexBuffer::MAP_VERTEX | LLVertexBuffer::MAP_TEXCOORD0 | LLVertexBuffer::MAP_BINORMAL | LLVertexBuffer::MAP_NORMAL | LLVertexBuffer::MAP_COLOR;
 	
-	for (LLCullResult::drawinfo_list_t::iterator i = begin; i != end; ++i)	
+	for (LLCullResult::drawinfo_iterator i = begin; i != end; ++i)	
 	{
 		LLDrawInfo& params = **i;
 
@@ -1448,10 +1448,10 @@ void LLBumpImageList::onSourceLoaded( BOOL success, LLViewerTexture *src_vi, LLI
 
 void LLDrawPoolBump::renderBump(U32 type, U32 mask)
 {	
-	LLCullResult::drawinfo_list_t::iterator begin = gPipeline.beginRenderMap(type);
-	LLCullResult::drawinfo_list_t::iterator end = gPipeline.endRenderMap(type);
+	LLCullResult::drawinfo_iterator begin = gPipeline.beginRenderMap(type);
+	LLCullResult::drawinfo_iterator end = gPipeline.endRenderMap(type);
 
-	for (LLCullResult::drawinfo_list_t::iterator i = begin; i != end; ++i)	
+	for (LLCullResult::drawinfo_iterator i = begin; i != end; ++i)	
 	{
 		LLDrawInfo& params = **i;
 
diff --git a/indra/newview/lldrawpoolterrain.cpp b/indra/newview/lldrawpoolterrain.cpp
index b95d8296fa..7fc78fb382 100644
--- a/indra/newview/lldrawpoolterrain.cpp
+++ b/indra/newview/lldrawpoolterrain.cpp
@@ -294,6 +294,34 @@ void LLDrawPoolTerrain::renderShadow(S32 pass)
 	//glCullFace(GL_BACK);
 }
 
+
+void LLDrawPoolTerrain::drawLoop()
+{
+	if (!mDrawFace.empty())
+	{
+		for (std::vector<LLFace*>::iterator iter = mDrawFace.begin();
+			 iter != mDrawFace.end(); iter++)
+		{
+			LLFace *facep = *iter;
+
+			LLMatrix4* model_matrix = &(facep->getDrawable()->getRegion()->mRenderMatrix);
+
+			if (model_matrix != gGLLastMatrix)
+			{
+				gGLLastMatrix = model_matrix;
+				gGL.loadMatrix(gGLModelView);
+				if (model_matrix)
+				{
+					gGL.multMatrix((GLfloat*) model_matrix->mMatrix);
+				}
+				gPipeline.mMatrixOpCount++;
+			}
+
+			facep->renderIndexed();
+		}
+	}
+}
+
 void LLDrawPoolTerrain::renderFullShader()
 {
 	// Hack! Get the region that this draw pool is rendering from!
diff --git a/indra/newview/lldrawpoolterrain.h b/indra/newview/lldrawpoolterrain.h
index 283ed87f1a..2163d087e1 100644
--- a/indra/newview/lldrawpoolterrain.h
+++ b/indra/newview/lldrawpoolterrain.h
@@ -83,6 +83,7 @@ protected:
 	void renderFull2TU();
 	void renderFull4TU();
 	void renderFullShader();
+	void drawLoop();
 };
 
 #endif // LL_LLDRAWPOOLSIMPLE_H
diff --git a/indra/newview/lldrawpooltree.cpp b/indra/newview/lldrawpooltree.cpp
index 3165a3516c..83f04e45a8 100644
--- a/indra/newview/lldrawpooltree.cpp
+++ b/indra/newview/lldrawpooltree.cpp
@@ -37,6 +37,7 @@
 #include "llviewershadermgr.h"
 #include "llrender.h"
 #include "llviewercontrol.h"
+#include "llviewerregion.h"
 
 S32 LLDrawPoolTree::sDiffTex = 0;
 static LLGLSLShader* shader = NULL;
@@ -104,8 +105,22 @@ void LLDrawPoolTree::render(S32 pass)
 	{
 		LLFace *face = *iter;
 		LLVertexBuffer* buff = face->getVertexBuffer();
+
 		if(buff)
 		{
+			LLMatrix4* model_matrix = &(face->getDrawable()->getRegion()->mRenderMatrix);
+
+			if (model_matrix != gGLLastMatrix)
+			{
+				gGLLastMatrix = model_matrix;
+				gGL.loadMatrix(gGLModelView);
+				if (model_matrix)
+				{
+					gGL.multMatrix((GLfloat*) model_matrix->mMatrix);
+				}
+				gPipeline.mMatrixOpCount++;
+			}
+
 			buff->setBuffer(LLDrawPoolTree::VERTEX_DATA_MASK);
 			buff->drawRange(LLRender::TRIANGLES, 0, buff->getNumVerts()-1, buff->getNumIndices(), 0); 
 			gPipeline.addTrianglesDrawn(buff->getNumIndices());
diff --git a/indra/newview/lldriverparam.cpp b/indra/newview/lldriverparam.cpp
index 64eb11fc9b..885cae1737 100644
--- a/indra/newview/lldriverparam.cpp
+++ b/indra/newview/lldriverparam.cpp
@@ -155,6 +155,7 @@ LLDriverParam::LLDriverParam(LLVOAvatar *avatarp) :
 	mAvatarp(avatarp), 
 	mWearablep(NULL)
 {
+	mDefaultVec.clear();
 }
 
 LLDriverParam::LLDriverParam(LLWearable *wearablep) : 
@@ -162,6 +163,7 @@ LLDriverParam::LLDriverParam(LLWearable *wearablep) :
 	mAvatarp(NULL), 
 	mWearablep(wearablep)
 {
+	mDefaultVec.clear();
 }
 
 LLDriverParam::~LLDriverParam()
@@ -341,18 +343,19 @@ F32	LLDriverParam::getTotalDistortion()
 	return sum; 
 }
 
-const LLVector3	&LLDriverParam::getAvgDistortion()	
+const LLVector4a	&LLDriverParam::getAvgDistortion()	
 {
 	// It's not actually correct to take the average of averages, but it good enough here.
-	LLVector3 sum;
+	LLVector4a sum;
+	sum.clear();
 	S32 count = 0;
 	for( entry_list_t::iterator iter = mDriven.begin(); iter != mDriven.end(); iter++ )
 	{
 		LLDrivenEntry* driven = &(*iter);
-		sum += driven->mParam->getAvgDistortion();
+		sum.add(driven->mParam->getAvgDistortion());
 		count++;
 	}
-	sum /= (F32)count;
+	sum.mul( 1.f/(F32)count);
 
 	mDefaultVec = sum;
 	return mDefaultVec; 
@@ -375,21 +378,22 @@ F32	LLDriverParam::getMaxDistortion()
 }
 
 
-LLVector3	LLDriverParam::getVertexDistortion(S32 index, LLPolyMesh *poly_mesh)
+LLVector4a	LLDriverParam::getVertexDistortion(S32 index, LLPolyMesh *poly_mesh)
 {
-	LLVector3 sum;
+	LLVector4a sum;
+	sum.clear();
 	for( entry_list_t::iterator iter = mDriven.begin(); iter != mDriven.end(); iter++ )
 	{
 		LLDrivenEntry* driven = &(*iter);
-		sum += driven->mParam->getVertexDistortion( index, poly_mesh );
+		sum.add(driven->mParam->getVertexDistortion( index, poly_mesh ));
 	}
 	return sum;
 }
 
-const LLVector3*	LLDriverParam::getFirstDistortion(U32 *index, LLPolyMesh **poly_mesh)
+const LLVector4a*	LLDriverParam::getFirstDistortion(U32 *index, LLPolyMesh **poly_mesh)
 {
 	mCurrentDistortionParam = NULL;
-	const LLVector3* v = NULL;
+	const LLVector4a* v = NULL;
 	for( entry_list_t::iterator iter = mDriven.begin(); iter != mDriven.end(); iter++ )
 	{
 		LLDrivenEntry* driven = &(*iter);
@@ -404,7 +408,7 @@ const LLVector3*	LLDriverParam::getFirstDistortion(U32 *index, LLPolyMesh **poly
 	return v;
 };
 
-const LLVector3*	LLDriverParam::getNextDistortion(U32 *index, LLPolyMesh **poly_mesh)
+const LLVector4a*	LLDriverParam::getNextDistortion(U32 *index, LLPolyMesh **poly_mesh)
 {
 	llassert( mCurrentDistortionParam );
 	if( !mCurrentDistortionParam )
@@ -432,7 +436,7 @@ const LLVector3*	LLDriverParam::getNextDistortion(U32 *index, LLPolyMesh **poly_
 	}
 
 	// We're already in the middle of a param's distortions, so get the next one.
-	const LLVector3* v = driven->mParam->getNextDistortion( index, poly_mesh );
+	const LLVector4a* v = driven->mParam->getNextDistortion( index, poly_mesh );
 	if( (!v) && (iter != mDriven.end()) )
 	{
 		// This param is finished, so start the next param.  It might not have any
diff --git a/indra/newview/lldriverparam.h b/indra/newview/lldriverparam.h
index fb1b44458c..c0976d1d43 100644
--- a/indra/newview/lldriverparam.h
+++ b/indra/newview/lldriverparam.h
@@ -83,6 +83,16 @@ public:
 	LLDriverParam(LLWearable *wearablep);
 	~LLDriverParam();
 
+	void* operator new(size_t size)
+	{
+		return ll_aligned_malloc_16(size);
+	}
+
+	void operator delete(void* ptr)
+	{
+		ll_aligned_free_16(ptr);
+	}
+
 	// Special: These functions are overridden by child classes
 	LLDriverParamInfo*		getInfo() const { return (LLDriverParamInfo*)mInfo; }
 	//   This sets mInfo and calls initialization functions
@@ -105,18 +115,18 @@ public:
 	
 	// LLViewerVisualParam Virtual functions
 	/*virtual*/ F32					getTotalDistortion();
-	/*virtual*/ const LLVector3&	getAvgDistortion();
+	/*virtual*/ const LLVector4a&	getAvgDistortion();
 	/*virtual*/ F32					getMaxDistortion();
-	/*virtual*/ LLVector3			getVertexDistortion(S32 index, LLPolyMesh *poly_mesh);
-	/*virtual*/ const LLVector3*	getFirstDistortion(U32 *index, LLPolyMesh **poly_mesh);
-	/*virtual*/ const LLVector3*	getNextDistortion(U32 *index, LLPolyMesh **poly_mesh);
+	/*virtual*/ LLVector4a			getVertexDistortion(S32 index, LLPolyMesh *poly_mesh);
+	/*virtual*/ const LLVector4a*	getFirstDistortion(U32 *index, LLPolyMesh **poly_mesh);
+	/*virtual*/ const LLVector4a*	getNextDistortion(U32 *index, LLPolyMesh **poly_mesh);
 
 protected:
 	F32 getDrivenWeight(const LLDrivenEntry* driven, F32 input_weight);
 	void setDrivenWeight(LLDrivenEntry *driven, F32 driven_weight, bool upload_bake);
 
 
-	LLVector3	mDefaultVec; // temp holder
+	LLVector4a	mDefaultVec; // temp holder
 	typedef std::vector<LLDrivenEntry> entry_list_t;
 	entry_list_t mDriven;
 	LLViewerVisualParam* mCurrentDistortionParam;
diff --git a/indra/newview/llface.cpp b/indra/newview/llface.cpp
index 02a8d1244f..582f06eeb0 100755
--- a/indra/newview/llface.cpp
+++ b/indra/newview/llface.cpp
@@ -163,15 +163,10 @@ void LLFace::init(LLDrawable* drawablep, LLViewerObject* objp)
 	mGeomCount		= 0;
 	mGeomIndex		= 0;
 	mIndicesCount	= 0;
-	if (drawablep->getRenderType() == LLPipeline::RENDER_TYPE_PARTICLES ||
-		drawablep->getRenderType() == LLPipeline::RENDER_TYPE_HUD_PARTICLES)
-	{ //indicate to LLParticlePartition that this particle is uninitialized
-		mIndicesIndex = 0xFFFFFFFF;
-	}
-	else
-	{
-		mIndicesIndex	= 0;
-	}
+
+	//special value to indicate uninitialized position
+	mIndicesIndex	= 0xFFFFFFFF;
+	
 	mIndexInTex = 0;
 	mTexture		= NULL;
 	mTEOffset		= -1;
@@ -207,13 +202,10 @@ void LLFace::destroy()
 		mTexture->removeFace(this) ;
 	}
 	
-	if (mDrawablep.notNull() &&
-		(mDrawablep->getRenderType() == LLPipeline::RENDER_TYPE_PARTICLES ||
-		mDrawablep->getRenderType() == LLPipeline::RENDER_TYPE_HUD_PARTICLES) &&
-		mIndicesIndex != 0xFFFFFFFF)
+	if (isState(LLFace::PARTICLE))
 	{
 		LLVOPartGroup::freeVBSlot(getGeomIndex()/4);
-		mIndicesIndex = 0xFFFFFFFF;
+		clearState(LLFace::PARTICLE);
 	}
 
 	if (mDrawPoolp)
@@ -1207,19 +1199,25 @@ BOOL LLFace::getGeometryVolume(const LLVolume& volume,
 	{
 		if (num_indices + (S32) mIndicesIndex > mVertexBuffer->getNumIndices())
 		{
-			llwarns	<< "Index buffer overflow!" << llendl;
-			llwarns << "Indices Count: " << mIndicesCount
-					<< " VF Num Indices: " << num_indices
-					<< " Indices Index: " << mIndicesIndex
-					<< " VB Num Indices: " << mVertexBuffer->getNumIndices() << llendl;
-			llwarns	<< " Face Index: " << f
-					<< " Pool Type: " << mPoolType << llendl;
+			if (gDebugGL)
+			{
+				llwarns	<< "Index buffer overflow!" << llendl;
+				llwarns << "Indices Count: " << mIndicesCount
+						<< " VF Num Indices: " << num_indices
+						<< " Indices Index: " << mIndicesIndex
+						<< " VB Num Indices: " << mVertexBuffer->getNumIndices() << llendl;
+				llwarns	<< " Face Index: " << f
+						<< " Pool Type: " << mPoolType << llendl;
+			}
 			return FALSE;
 		}
 
 		if (num_vertices + mGeomIndex > mVertexBuffer->getNumVerts())
 		{
-			llwarns << "Vertex buffer overflow!" << llendl;
+			if (gDebugGL)
+			{
+				llwarns << "Vertex buffer overflow!" << llendl;
+			}
 			return FALSE;
 		}
 	}
diff --git a/indra/newview/llface.h b/indra/newview/llface.h
index 5dca27487f..efc3424858 100644
--- a/indra/newview/llface.h
+++ b/indra/newview/llface.h
@@ -90,6 +90,7 @@ public:
 		USE_FACE_COLOR	= 0x0010,
 		TEXTURE_ANIM	= 0x0020, 
 		RIGGED			= 0x0040,
+		PARTICLE		= 0x0080,
 	};
 
 	static void initClass();
diff --git a/indra/newview/llflexibleobject.cpp b/indra/newview/llflexibleobject.cpp
index 3d64ceb71d..9745bb6d64 100644
--- a/indra/newview/llflexibleobject.cpp
+++ b/indra/newview/llflexibleobject.cpp
@@ -65,7 +65,7 @@ LLVolumeImplFlexible::LLVolumeImplFlexible(LLViewerObject* vo, LLFlexibleObjectD
 	mFrameNum = 0;
 	mCollisionSphereRadius = 0.f;
 	mRenderRes = 1;
-
+	
 	if(mVO->mDrawable.notNull())
 	{
 		mVO->mDrawable->makeActive() ;
@@ -255,50 +255,28 @@ void LLVolumeImplFlexible::onSetVolume(const LLVolumeParams &volume_params, cons
 {
 }
 
-//---------------------------------------------------------------------------------
-// This calculates the physics of the flexible object. Note that it has to be 0
-// updated every time step. In the future, perhaps there could be an 
-// optimization similar to what Havok does for objects that are stationary. 
-//---------------------------------------------------------------------------------
-static LLFastTimer::DeclareTimer FTM_FLEXIBLE_UPDATE("Update Flexies");
-BOOL LLVolumeImplFlexible::doIdleUpdate(LLAgent &agent, LLWorld &world, const F64 &time)
-{
-	if (mVO->mDrawable.isNull())
-	{
-		// Don't do anything until we have a drawable
-		return FALSE; // (we are not initialized or updated)
-	}
-
-	BOOL force_update = mSimulateRes == 0 ? TRUE : FALSE;
 
-	//flexible objects never go static
-	mVO->mDrawable->mQuietCount = 0;
-	if (!mVO->mDrawable->isRoot())
-	{
-		LLViewerObject* parent = (LLViewerObject*) mVO->getParent();
-		parent->mDrawable->mQuietCount = 0;
-	}
+void LLVolumeImplFlexible::updateRenderRes()
+{
+	LLDrawable* drawablep = mVO->mDrawable;
 
-	LLFastTimer ftm(FTM_FLEXIBLE_UPDATE);
-		
 	S32 new_res = mAttributes->getSimulateLOD();
 
-	//number of segments only cares about z axis
-	F32 app_angle = llround((F32) atan2( mVO->getScale().mV[2]*2.f, mVO->mDrawable->mDistanceWRTCamera) * RAD_TO_DEG, 0.01f);
+#if 1 //optimal approximation of previous behavior that doesn't rely on atan2
+	F32 app_angle = mVO->getScale().mV[2]/drawablep->mDistanceWRTCamera;
 
 	// Rendering sections increases with visible angle on the screen
-	mRenderRes = (S32)(FLEXIBLE_OBJECT_MAX_SECTIONS*4*app_angle*DEG_TO_RAD/LLViewerCamera::getInstance()->getView());
-	if (mRenderRes > FLEXIBLE_OBJECT_MAX_SECTIONS)
-	{
-		mRenderRes = FLEXIBLE_OBJECT_MAX_SECTIONS;
-	}
-
+	mRenderRes = (S32) (12.f*app_angle);
+#else //legacy behavior
+	//number of segments only cares about z axis
+	F32 app_angle = llround((F32) atan2( mVO->getScale().mV[2]*2.f, drawablep->mDistanceWRTCamera) * RAD_TO_DEG, 0.01f);
 
-	// Bottom cap at 1/4 the original number of sections
-	if (mRenderRes < mAttributes->getSimulateLOD()-1)
-	{
-		mRenderRes = mAttributes->getSimulateLOD()-1;
-	}
+ 	// Rendering sections increases with visible angle on the screen
+	mRenderRes = (S32)(FLEXIBLE_OBJECT_MAX_SECTIONS*4*app_angle*DEG_TO_RAD/LLViewerCamera::getInstance()->getView());
+#endif
+		
+	mRenderRes = llclamp(mRenderRes, new_res-1, (S32) FLEXIBLE_OBJECT_MAX_SECTIONS);
+		
 	// Throttle back simulation of segments we're not rendering
 	if (mRenderRes < new_res)
 	{
@@ -311,43 +289,65 @@ BOOL LLVolumeImplFlexible::doIdleUpdate(LLAgent &agent, LLWorld &world, const F6
 		setAttributesOfAllSections();
 		mInitialized = TRUE;
 	}
-	if (!gPipeline.hasRenderDebugFeatureMask(LLPipeline::RENDER_DEBUG_FEATURE_FLEXIBLE))
-	{
-		return FALSE; // (we are not initialized or updated)
-	}
-
-	bool visible = mVO->mDrawable->isVisible();
+}
+//---------------------------------------------------------------------------------
+// This calculates the physics of the flexible object. Note that it has to be 0
+// updated every time step. In the future, perhaps there could be an 
+// optimization similar to what Havok does for objects that are stationary. 
+//---------------------------------------------------------------------------------
+static LLFastTimer::DeclareTimer FTM_FLEXIBLE_UPDATE("Update Flexies");
+void LLVolumeImplFlexible::doIdleUpdate(LLAgent &agent, LLWorld &world, const F64 &time)
+{
+	LLDrawable* drawablep = mVO->mDrawable;
 
-	if (force_update && visible)
-	{
-		gPipeline.markRebuild(mVO->mDrawable, LLDrawable::REBUILD_POSITION, FALSE);
-	}
-	else if	(visible &&
-		!mVO->mDrawable->isState(LLDrawable::IN_REBUILD_Q1) &&
-		mVO->getPixelArea() > 256.f)
+	if (drawablep)
 	{
-		U32 id;
-		F32 pixel_area = mVO->getPixelArea();
+		//LLFastTimer ftm(FTM_FLEXIBLE_UPDATE);
 
-		if (mVO->isRootEdit())
+		//flexible objects never go static
+		drawablep->mQuietCount = 0;
+		if (!drawablep->isRoot())
 		{
-			id = mID;
+			LLViewerObject* parent = (LLViewerObject*) mVO->getParent();
+			parent->mDrawable->mQuietCount = 0;
 		}
-		else
+
+		if (gPipeline.hasRenderDebugFeatureMask(LLPipeline::RENDER_DEBUG_FEATURE_FLEXIBLE))
 		{
-			LLVOVolume* parent = (LLVOVolume*) mVO->getParent();
-			id = parent->getVolumeInterfaceID();
-		}
+			bool visible = drawablep->isVisible();
 
-		U32 update_period = (U32) (LLViewerCamera::getInstance()->getScreenPixelArea()*0.01f/(pixel_area*(sUpdateFactor+1.f)))+1;
+			if ((mSimulateRes == 0) && visible)
+			{
+				updateRenderRes();
+				gPipeline.markRebuild(drawablep, LLDrawable::REBUILD_POSITION, FALSE);
+			}
+			else if	(visible &&
+				!drawablep->isState(LLDrawable::IN_REBUILD_Q1) &&
+				mVO->getPixelArea() > 256.f)
+			{
+				U32 id;
+				F32 pixel_area = mVO->getPixelArea();
 
-		if ((LLDrawable::getCurrentFrame()+id)%update_period == 0)
-		{
-			gPipeline.markRebuild(mVO->mDrawable, LLDrawable::REBUILD_POSITION, FALSE);
+				if (mVO->isRootEdit())
+				{
+					id = mID;
+				}
+				else
+				{
+					LLVOVolume* parent = (LLVOVolume*) mVO->getParent();
+					id = parent->getVolumeInterfaceID();
+				}
+
+				U32 update_period = (U32) (LLViewerCamera::getInstance()->getScreenPixelArea()*0.01f/(pixel_area*(sUpdateFactor+1.f)))+1;
+
+				if ((LLDrawable::getCurrentFrame()+id)%update_period == 0)
+				{
+					updateRenderRes();
+					gPipeline.markRebuild(drawablep, LLDrawable::REBUILD_POSITION, FALSE);
+				}
+			}
 		}
 	}
-	
-	return force_update;
 }
 
 inline S32 log2(S32 x)
diff --git a/indra/newview/llflexibleobject.h b/indra/newview/llflexibleobject.h
index 371d6a0773..56d579d86f 100644
--- a/indra/newview/llflexibleobject.h
+++ b/indra/newview/llflexibleobject.h
@@ -78,7 +78,8 @@ class LLVolumeImplFlexible : public LLVolumeInterface
 		LLVector3 getFramePosition() const;
 		LLQuaternion getFrameRotation() const;
 		LLVolumeInterfaceType getInterfaceType() const		{ return INTERFACE_FLEXIBLE; }
-		BOOL doIdleUpdate(LLAgent &agent, LLWorld &world, const F64 &time);
+		void updateRenderRes();
+		void doIdleUpdate(LLAgent &agent, LLWorld &world, const F64 &time);
 		BOOL doUpdateGeometry(LLDrawable *drawable);
 		LLVector3 getPivotPosition() const;
 		void onSetVolume(const LLVolumeParams &volume_params, const S32 detail);
@@ -128,7 +129,7 @@ class LLVolumeImplFlexible : public LLVolumeInterface
 		LLVector3					mCollisionSpherePosition;
 		F32							mCollisionSphereRadius;
 		U32							mID;
-
+		
 		//--------------------------------------
 		// private methods
 		//--------------------------------------
diff --git a/indra/newview/llfloaterland.cpp b/indra/newview/llfloaterland.cpp
index 61da99fe3a..df8ecb6fd9 100644
--- a/indra/newview/llfloaterland.cpp
+++ b/indra/newview/llfloaterland.cpp
@@ -2212,8 +2212,8 @@ void LLPanelLandOptions::onCommitAny(LLUICtrl *ctrl, void *userdata)
 	BOOL allow_damage		= !self->mCheckSafe->get();
 	BOOL allow_fly			= self->mCheckFly->get();
 	BOOL allow_landmark		= TRUE; // cannot restrict landmark creation
-	BOOL allow_group_scripts	= self->mCheckGroupScripts->get() || self->mCheckOtherScripts->get();
 	BOOL allow_other_scripts	= self->mCheckOtherScripts->get();
+	BOOL allow_group_scripts	= self->mCheckGroupScripts->get() || allow_other_scripts;
 	BOOL allow_publish		= FALSE;
 	BOOL mature_publish		= self->mMatureCtrl->get();
 	BOOL push_restriction	= self->mPushRestrictionCtrl->get();
@@ -2226,11 +2226,16 @@ void LLPanelLandOptions::onCommitAny(LLUICtrl *ctrl, void *userdata)
 	LLViewerRegion* region;
 	region = LLViewerParcelMgr::getInstance()->getSelectionRegion();
 
-	if (!allow_other_scripts && region && region->getAllowDamage())
-	{
-
-		LLNotificationsUtil::add("UnableToDisableOutsideScripts");
-		return;
+	if (region && region->getAllowDamage())
+	{	// Damage is allowed on the region - server will always allow scripts
+		if ( (!allow_other_scripts && parcel->getParcelFlag(PF_ALLOW_OTHER_SCRIPTS)) ||
+			 (!allow_group_scripts && parcel->getParcelFlag(PF_ALLOW_GROUP_SCRIPTS)) )
+		{	// Don't allow turning off "Run Scripts" if damage is allowed in the region
+			self->mCheckOtherScripts->set(parcel->getParcelFlag(PF_ALLOW_OTHER_SCRIPTS));	// Restore UI to actual settings
+			self->mCheckGroupScripts->set(parcel->getParcelFlag(PF_ALLOW_GROUP_SCRIPTS));
+			LLNotificationsUtil::add("UnableToDisableOutsideScripts");
+			return;
+		}
 	}
 
 	// Push data into current parcel
diff --git a/indra/newview/llphysicsmotion.cpp b/indra/newview/llphysicsmotion.cpp
index e124916c48..cb6989c9dd 100644
--- a/indra/newview/llphysicsmotion.cpp
+++ b/indra/newview/llphysicsmotion.cpp
@@ -67,6 +67,19 @@ inline F64 llsgn(const F64 a)
 class LLPhysicsMotion
 {
 public:
+	typedef enum
+	{
+		SMOOTHING = 0,
+		MASS,
+		GRAVITY,
+		SPRING,
+		GAIN,
+		DAMPING,
+		DRAG,
+		MAX_EFFECT,
+		NUM_PARAMS
+	} eParamName;
+
         /*
           param_driver_name: The param that controls the params that are being affected by the physics.
           joint_name: The joint that the body part is attached to.  The joint is
@@ -98,6 +111,11 @@ public:
                 mPositionLastUpdate_local(0)
         {
                 mJointState = new LLJointState;
+
+				for (U32 i = 0; i < NUM_PARAMS; ++i)
+				{
+					mParamCache[i] = NULL;
+				}
         }
 
         BOOL initialize();
@@ -111,16 +129,43 @@ public:
                 return mJointState;
         }
 protected:
-        F32 getParamValue(const std::string& controller_key)
-        {
-                const controller_map_t::const_iterator& entry = mParamControllers.find(controller_key);
+
+		F32 getParamValue(eParamName param)
+		{
+			static std::string controller_key[] = 
+			{
+				"Smoothing",
+				"Mass",
+				"Gravity",
+				"Spring",
+				"Gain",
+				"Damping",
+				"Drag",
+				"MaxEffect"
+			};
+
+			if (!mParamCache[param])
+			{
+				const controller_map_t::const_iterator& entry = mParamControllers.find(controller_key[param]);
                 if (entry == mParamControllers.end())
                 {
-                        return sDefaultController[controller_key];
+                        return sDefaultController[controller_key[param]];
                 }
                 const std::string& param_name = (*entry).second.c_str();
-                return mCharacter->getVisualParamWeight(param_name.c_str());
-        }
+                mParamCache[param] = mCharacter->getVisualParam(param_name.c_str());
+			}
+				
+			if (mParamCache[param])
+			{
+				return mParamCache[param]->getWeight();
+			}
+			else
+			{
+				return sDefaultController[controller_key[param]];
+			}
+		}
+
+        
         void setParamValue(LLViewerVisualParam *param,
                            const F32 new_value_local,
                                                    F32 behavior_maxeffect);
@@ -150,6 +195,8 @@ private:
 
         F32 mLastTime;
         
+		LLVisualParam* mParamCache[NUM_PARAMS];
+
         static default_controller_map_t sDefaultController;
 };
 
@@ -427,7 +474,6 @@ BOOL LLPhysicsMotionController::onUpdate(F32 time, U8* joint_mask)
         return TRUE;
 }
 
-
 // Return TRUE if character has to update visual params.
 BOOL LLPhysicsMotion::onUpdate(F32 time)
 {
@@ -471,15 +517,16 @@ BOOL LLPhysicsMotion::onUpdate(F32 time)
 
         LLJoint *joint = mJointState->getJoint();
 
-        const F32 behavior_mass = getParamValue("Mass");
-        const F32 behavior_gravity = getParamValue("Gravity");
-        const F32 behavior_spring = getParamValue("Spring");
-        const F32 behavior_gain = getParamValue("Gain");
-        const F32 behavior_damping = getParamValue("Damping");
-        const F32 behavior_drag = getParamValue("Drag");
-        const BOOL physics_test = FALSE; // Enable this to simulate bouncing on all parts.
+		const F32 behavior_mass = getParamValue(MASS);
+		const F32 behavior_gravity = getParamValue(GRAVITY);
+		const F32 behavior_spring = getParamValue(SPRING);
+		const F32 behavior_gain = getParamValue(GAIN);
+		const F32 behavior_damping = getParamValue(DAMPING);
+		const F32 behavior_drag = getParamValue(DRAG);
+		F32 behavior_maxeffect = getParamValue(MAX_EFFECT);
+		
+		const BOOL physics_test = FALSE; // Enable this to simulate bouncing on all parts.
         
-        F32 behavior_maxeffect = getParamValue("MaxEffect");
         if (physics_test)
                 behavior_maxeffect = 1.0f;
 
diff --git a/indra/newview/llpolymesh.cpp b/indra/newview/llpolymesh.cpp
index 0860506086..c6b9aaae4b 100644
--- a/indra/newview/llpolymesh.cpp
+++ b/indra/newview/llpolymesh.cpp
@@ -229,15 +229,18 @@ U32 LLPolyMeshSharedData::getNumKB()
 BOOL LLPolyMeshSharedData::allocateVertexData( U32 numVertices )
 {
         U32 i;
-        mBaseCoords = (LLVector3*) ll_aligned_malloc_16(numVertices*sizeof(LLVector3));
-        mBaseNormals = (LLVector3*) ll_aligned_malloc_16(numVertices*sizeof(LLVector3));
-        mBaseBinormals = (LLVector3*) ll_aligned_malloc_16(numVertices*sizeof(LLVector3));
+        mBaseCoords = (LLVector4a*) ll_aligned_malloc_16(numVertices*sizeof(LLVector4a));
+        mBaseNormals = (LLVector4a*) ll_aligned_malloc_16(numVertices*sizeof(LLVector4a));
+        mBaseBinormals = (LLVector4a*) ll_aligned_malloc_16(numVertices*sizeof(LLVector4a));
         mTexCoords = (LLVector2*) ll_aligned_malloc_16(numVertices*sizeof(LLVector2));
         mDetailTexCoords = (LLVector2*) ll_aligned_malloc_16(numVertices*sizeof(LLVector2));
         mWeights = (F32*) ll_aligned_malloc_16(numVertices*sizeof(F32));
         for (i = 0; i < numVertices; i++)
         {
-                mWeights[i] = 0.f;
+			mBaseCoords[i].clear();
+			mBaseNormals[i].clear();
+			mBaseBinormals[i].clear();
+			mWeights[i] = 0.f;
         }
         mNumVertices = numVertices;
         return TRUE;
@@ -408,39 +411,47 @@ BOOL LLPolyMeshSharedData::loadMesh( const std::string& fileName )
 
                         allocateVertexData( numVertices );      
 
-                        //----------------------------------------------------------------
-                        // Coords
-                        //----------------------------------------------------------------
-                        numRead = fread(mBaseCoords, 3*sizeof(float), numVertices, fp);
-                        llendianswizzle(mBaseCoords, sizeof(float), 3*numVertices);
-                        if (numRead != numVertices)
-                        {
-                                llerrs << "can't read Coordinates from " << fileName << llendl;
-                                return FALSE;
-                        }
-
-                        //----------------------------------------------------------------
-                        // Normals
-                        //----------------------------------------------------------------
-                        numRead = fread(mBaseNormals, 3*sizeof(float), numVertices, fp);
-                        llendianswizzle(mBaseNormals, sizeof(float), 3*numVertices);
-                        if (numRead != numVertices)
-                        {
-                                llerrs << " can't read Normals from " << fileName << llendl;
-                                return FALSE;
-                        }
-
-                        //----------------------------------------------------------------
-                        // Binormals
-                        //----------------------------------------------------------------
-                        numRead = fread(mBaseBinormals, 3*sizeof(float), numVertices, fp);
-                        llendianswizzle(mBaseBinormals, sizeof(float), 3*numVertices);
-                        if (numRead != numVertices)
-                        {
-                                llerrs << " can't read Binormals from " << fileName << llendl;
-                                return FALSE;
-                        }
-
+						for (U16 i = 0; i < numVertices; ++i)
+						{
+							//----------------------------------------------------------------
+							// Coords
+							//----------------------------------------------------------------
+							numRead = fread(&mBaseCoords[i], sizeof(float), 3, fp);
+							llendianswizzle(&mBaseCoords[i], sizeof(float), 3);
+							if (numRead != 3)
+							{
+									llerrs << "can't read Coordinates from " << fileName << llendl;
+									return FALSE;
+							}
+						}
+
+						for (U16 i = 0; i < numVertices; ++i)
+						{
+							//----------------------------------------------------------------
+							// Normals
+							//----------------------------------------------------------------
+							numRead = fread(&mBaseNormals[i], sizeof(float), 3, fp);
+							llendianswizzle(&mBaseNormals[i], sizeof(float), 3);
+							if (numRead != 3)
+							{
+									llerrs << " can't read Normals from " << fileName << llendl;
+									return FALSE;
+							}
+						}
+
+						for (U16 i = 0; i < numVertices; ++i)
+						{
+							//----------------------------------------------------------------
+							// Binormals
+							//----------------------------------------------------------------
+							numRead = fread(&mBaseBinormals[i], sizeof(float), 3, fp);
+							llendianswizzle(&mBaseBinormals[i], sizeof(float), 3);
+							if (numRead != 3)
+							{
+									llerrs << " can't read Binormals from " << fileName << llendl;
+									return FALSE;
+							}
+						}
 
                         //----------------------------------------------------------------
                         // TexCoords
@@ -767,21 +778,28 @@ LLPolyMesh::LLPolyMesh(LLPolyMeshSharedData *shared_data, LLPolyMesh *reference_
 	{
 		// Allocate memory without initializing every vector
 		// NOTE: This makes asusmptions about the size of LLVector[234]
-		int nverts = mSharedData->mNumVertices;
-		int nfloats = nverts * (2*4 + 3*3 + 2 + 4);
+		S32 nverts = mSharedData->mNumVertices;
+		//make sure it's an even number of verts for alignment
+		nverts += nverts%2;
+		S32 nfloats = nverts * (
+					4 + //coords
+					4 + //normals
+					4 + //weights
+					2 + //coords
+					4 + //scaled normals
+					4 + //binormals
+					4); //scaled binormals
+
 		//use 16 byte aligned vertex data to make LLPolyMesh SSE friendly
 		mVertexData = (F32*) ll_aligned_malloc_16(nfloats*4);
-		int offset = 0;
-		mCoords				= 	(LLVector4*)(mVertexData + offset); offset += 4*nverts;
-		mNormals			=	(LLVector4*)(mVertexData + offset); offset += 4*nverts;
-		mClothingWeights	= 	(LLVector4*)(mVertexData + offset); offset += 4*nverts;
-		mTexCoords			= 	(LLVector2*)(mVertexData + offset); offset += 2*nverts;
-
-		// these members don't need to be 16-byte aligned, but the first one might be
-		// read during an aligned memcpy of mTexCoords
-		mScaledNormals =                (LLVector3*)(mVertexData + offset); offset += 3*nverts;
-		mBinormals =                    (LLVector3*)(mVertexData + offset); offset += 3*nverts;
-		mScaledBinormals =              (LLVector3*)(mVertexData + offset); offset += 3*nverts; 
+		S32 offset = 0;
+		mCoords				= 	(LLVector4a*)(mVertexData + offset); offset += 4*nverts;
+		mNormals			=	(LLVector4a*)(mVertexData + offset); offset += 4*nverts;
+		mClothingWeights	= 	(LLVector4a*)(mVertexData + offset); offset += 4*nverts;
+		mTexCoords			= 	(LLVector2*)(mVertexData + offset);  offset += 2*nverts;
+		mScaledNormals		=   (LLVector4a*)(mVertexData + offset); offset += 4*nverts;
+		mBinormals			=   (LLVector4a*)(mVertexData + offset); offset += 4*nverts;
+		mScaledBinormals	=   (LLVector4a*)(mVertexData + offset); offset += 4*nverts; 
 		initializeForMorph();
 	}
 }
@@ -906,7 +924,7 @@ void LLPolyMesh::dumpDiagInfo()
 //-----------------------------------------------------------------------------
 // getWritableCoords()
 //-----------------------------------------------------------------------------
-LLVector4 *LLPolyMesh::getWritableCoords()
+LLVector4a *LLPolyMesh::getWritableCoords()
 {
         return mCoords;
 }
@@ -914,7 +932,7 @@ LLVector4 *LLPolyMesh::getWritableCoords()
 //-----------------------------------------------------------------------------
 // getWritableNormals()
 //-----------------------------------------------------------------------------
-LLVector4 *LLPolyMesh::getWritableNormals()
+LLVector4a *LLPolyMesh::getWritableNormals()
 {
         return mNormals;
 }
@@ -922,7 +940,7 @@ LLVector4 *LLPolyMesh::getWritableNormals()
 //-----------------------------------------------------------------------------
 // getWritableBinormals()
 //-----------------------------------------------------------------------------
-LLVector3 *LLPolyMesh::getWritableBinormals()
+LLVector4a *LLPolyMesh::getWritableBinormals()
 {
         return mBinormals;
 }
@@ -931,7 +949,7 @@ LLVector3 *LLPolyMesh::getWritableBinormals()
 //-----------------------------------------------------------------------------
 // getWritableClothingWeights()
 //-----------------------------------------------------------------------------
-LLVector4       *LLPolyMesh::getWritableClothingWeights()
+LLVector4a       *LLPolyMesh::getWritableClothingWeights()
 {
         return mClothingWeights;
 }
@@ -947,7 +965,7 @@ LLVector2       *LLPolyMesh::getWritableTexCoords()
 //-----------------------------------------------------------------------------
 // getScaledNormals()
 //-----------------------------------------------------------------------------
-LLVector3 *LLPolyMesh::getScaledNormals()
+LLVector4a *LLPolyMesh::getScaledNormals()
 {
         return mScaledNormals;
 }
@@ -955,7 +973,7 @@ LLVector3 *LLPolyMesh::getScaledNormals()
 //-----------------------------------------------------------------------------
 // getScaledBinormals()
 //-----------------------------------------------------------------------------
-LLVector3 *LLPolyMesh::getScaledBinormals()
+LLVector4a *LLPolyMesh::getScaledBinormals()
 {
         return mScaledBinormals;
 }
@@ -966,17 +984,17 @@ LLVector3 *LLPolyMesh::getScaledBinormals()
 //-----------------------------------------------------------------------------
 void LLPolyMesh::initializeForMorph()
 {
-    for (U32 i = 0; i < mSharedData->mNumVertices; ++i)
+    LLVector4a::memcpyNonAliased16((F32*) mCoords, (F32*) mSharedData->mBaseCoords, sizeof(LLVector4a) * mSharedData->mNumVertices);
+	LLVector4a::memcpyNonAliased16((F32*) mNormals, (F32*) mSharedData->mBaseNormals, sizeof(LLVector4a) * mSharedData->mNumVertices);
+	LLVector4a::memcpyNonAliased16((F32*) mScaledNormals, (F32*) mSharedData->mBaseNormals, sizeof(LLVector4a) * mSharedData->mNumVertices);
+	LLVector4a::memcpyNonAliased16((F32*) mBinormals, (F32*) mSharedData->mBaseNormals, sizeof(LLVector4a) * mSharedData->mNumVertices);
+	LLVector4a::memcpyNonAliased16((F32*) mScaledBinormals, (F32*) mSharedData->mBaseNormals, sizeof(LLVector4a) * mSharedData->mNumVertices);
+	LLVector4a::memcpyNonAliased16((F32*) mTexCoords, (F32*) mSharedData->mTexCoords, sizeof(LLVector2) * (mSharedData->mNumVertices + mSharedData->mNumVertices%2));
+
+	for (U32 i = 0; i < mSharedData->mNumVertices; ++i)
 	{
-		mCoords[i] = LLVector4(mSharedData->mBaseCoords[i]);
-		mNormals[i] = LLVector4(mSharedData->mBaseNormals[i]);
+		mClothingWeights[i].clear();
 	}
-
-	memcpy(mScaledNormals, mSharedData->mBaseNormals, sizeof(LLVector3) * mSharedData->mNumVertices);	/*Flawfinder: ignore*/
-	memcpy(mBinormals, mSharedData->mBaseBinormals, sizeof(LLVector3) * mSharedData->mNumVertices);	/*Flawfinder: ignore*/
-	memcpy(mScaledBinormals, mSharedData->mBaseBinormals, sizeof(LLVector3) * mSharedData->mNumVertices);		/*Flawfinder: ignore*/
-	memcpy(mTexCoords, mSharedData->mTexCoords, sizeof(LLVector2) * mSharedData->mNumVertices);		/*Flawfinder: ignore*/
-	memset(mClothingWeights, 0, sizeof(LLVector4) * mSharedData->mNumVertices);
 }
 
 //-----------------------------------------------------------------------------
@@ -1098,7 +1116,7 @@ BOOL LLPolySkeletalDistortionInfo::parseXml(LLXmlTreeNode* node)
 LLPolySkeletalDistortion::LLPolySkeletalDistortion(LLVOAvatar *avatarp)
 {
         mAvatar = avatarp;
-        mDefaultVec.setVec(0.001f, 0.001f, 0.001f);
+        mDefaultVec.splat(0.001f);
 }
 
 //-----------------------------------------------------------------------------
@@ -1171,8 +1189,12 @@ BOOL LLPolySkeletalDistortion::setInfo(LLPolySkeletalDistortionInfo *info)
 //-----------------------------------------------------------------------------
 // apply()
 //-----------------------------------------------------------------------------
+static LLFastTimer::DeclareTimer FTM_POLYSKELETAL_DISTORTION_APPLY("Skeletal Distortion");
+
 void LLPolySkeletalDistortion::apply( ESex avatar_sex )
 {
+	LLFastTimer t(FTM_POLYSKELETAL_DISTORTION_APPLY);
+
         F32 effective_weight = ( getSex() & avatar_sex ) ? mCurWeight : getDefaultWeight();
 
         LLJoint* joint;
@@ -1228,11 +1250,14 @@ LLPolyMorphData *clone_morph_param_direction(const LLPolyMorphData *src_data,
 {
         LLPolyMorphData* cloned_morph_data = new LLPolyMorphData(*src_data);
         cloned_morph_data->mName = name;
+		LLVector4a dir;
+		dir.load3(direction.mV);
+
         for (U32 v=0; v < cloned_morph_data->mNumIndices; v++)
         {
-                cloned_morph_data->mCoords[v] = direction;
-                cloned_morph_data->mNormals[v] = LLVector3(0,0,0);
-                cloned_morph_data->mBinormals[v] = LLVector3(0,0,0);
+                cloned_morph_data->mCoords[v] = dir;
+                cloned_morph_data->mNormals[v].clear();
+                cloned_morph_data->mBinormals[v].clear();
         }
         return cloned_morph_data;
 }
@@ -1243,17 +1268,27 @@ LLPolyMorphData *clone_morph_param_cleavage(const LLPolyMorphData *src_data,
 {
         LLPolyMorphData* cloned_morph_data = new LLPolyMorphData(*src_data);
         cloned_morph_data->mName = name;
+
+		LLVector4a sc;
+		sc.splat(scale);
+
+		LLVector4a nsc;
+		nsc.set(scale, -scale, scale, scale);
+
         for (U32 v=0; v < cloned_morph_data->mNumIndices; v++)
         {
-                cloned_morph_data->mCoords[v] = src_data->mCoords[v]*scale;
-                cloned_morph_data->mNormals[v] = src_data->mNormals[v]*scale;
-                cloned_morph_data->mBinormals[v] = src_data->mBinormals[v]*scale;
-                if (cloned_morph_data->mCoords[v][1] < 0)
-                {
-                        cloned_morph_data->mCoords[v][1] *= -1;
-                        cloned_morph_data->mNormals[v][1] *= -1;
-                        cloned_morph_data->mBinormals[v][1] *= -1;
-                }
+            if (cloned_morph_data->mCoords[v][1] < 0)
+            {
+                cloned_morph_data->mCoords[v].setMul(src_data->mCoords[v],nsc);
+				cloned_morph_data->mNormals[v].setMul(src_data->mNormals[v],nsc);
+				cloned_morph_data->mBinormals[v].setMul(src_data->mBinormals[v],nsc);
+			}
+			else
+			{
+				cloned_morph_data->mCoords[v].setMul(src_data->mCoords[v],sc);
+				cloned_morph_data->mNormals[v].setMul(src_data->mNormals[v], sc);
+				cloned_morph_data->mBinormals[v].setMul(src_data->mBinormals[v],sc);
+			}
         }
         return cloned_morph_data;
 }
diff --git a/indra/newview/llpolymesh.h b/indra/newview/llpolymesh.h
index ba2bf85570..850171d169 100644
--- a/indra/newview/llpolymesh.h
+++ b/indra/newview/llpolymesh.h
@@ -73,9 +73,9 @@ private:
 							
 	// vertex data			
 	S32						mNumVertices;
-	LLVector3				*mBaseCoords;
-	LLVector3				*mBaseNormals;
-	LLVector3				*mBaseBinormals;
+	LLVector4a				*mBaseCoords;
+	LLVector4a				*mBaseNormals;
+	LLVector4a				*mBaseBinormals;
 	LLVector2				*mTexCoords;
 	LLVector2				*mDetailTexCoords;
 	F32						*mWeights;
@@ -217,41 +217,41 @@ public:
 	}
 
 	// Get coords
-	const LLVector4	*getCoords() const{
+	const LLVector4a	*getCoords() const{
 		return mCoords;
 	}
 
 	// non const version
-	LLVector4 *getWritableCoords();
+	LLVector4a *getWritableCoords();
 
 	// Get normals
-	const LLVector4	*getNormals() const{ 
+	const LLVector4a	*getNormals() const{ 
 		return mNormals; 
 	}
 
 	// Get normals
-	const LLVector3	*getBinormals() const{ 
+	const LLVector4a	*getBinormals() const{ 
 		return mBinormals; 
 	}
 
 	// Get base mesh normals
-	const LLVector3 *getBaseNormals() const{
+	const LLVector4a *getBaseNormals() const{
 		llassert(mSharedData);
 		return mSharedData->mBaseNormals;
 	}
 
 	// Get base mesh normals
-	const LLVector3 *getBaseBinormals() const{
+	const LLVector4a *getBaseBinormals() const{
 		llassert(mSharedData);
 		return mSharedData->mBaseBinormals;
 	}
 
 	// intermediate morphed normals and output normals
-	LLVector4 *getWritableNormals();
-	LLVector3 *getScaledNormals();
+	LLVector4a *getWritableNormals();
+	LLVector4a *getScaledNormals();
 
-	LLVector3 *getWritableBinormals();
-	LLVector3 *getScaledBinormals();
+	LLVector4a *getWritableBinormals();
+	LLVector4a *getScaledBinormals();
 
 	// Get texCoords
 	const LLVector2	*getTexCoords() const { 
@@ -275,9 +275,9 @@ public:
 
 	F32			*getWritableWeights() const;
 
-	LLVector4	*getWritableClothingWeights();
+	LLVector4a	*getWritableClothingWeights();
 
-	const LLVector4		*getClothingWeights()
+	const LLVector4a		*getClothingWeights()
 	{
 		return mClothingWeights;	
 	}
@@ -341,17 +341,17 @@ protected:
 	// Single array of floats for allocation / deletion
 	F32						*mVertexData;
 	// deformed vertices (resulting from application of morph targets)
-	LLVector4				*mCoords;
+	LLVector4a				*mCoords;
 	// deformed normals (resulting from application of morph targets)
-	LLVector3				*mScaledNormals;
+	LLVector4a				*mScaledNormals;
 	// output normals (after normalization)
-	LLVector4				*mNormals;
+	LLVector4a				*mNormals;
 	// deformed binormals (resulting from application of morph targets)
-	LLVector3				*mScaledBinormals;
+	LLVector4a				*mScaledBinormals;
 	// output binormals (after normalization)
-	LLVector3				*mBinormals;
+	LLVector4a				*mBinormals;
 	// weight values that mark verts as clothing/skin
-	LLVector4				*mClothingWeights;
+	LLVector4a				*mClothingWeights;
 	// output texture coordinates
 	LLVector2				*mTexCoords;
 	
@@ -406,6 +406,16 @@ public:
 	LLPolySkeletalDistortion(LLVOAvatar *avatarp);
 	~LLPolySkeletalDistortion();
 
+	void* operator new(size_t size)
+	{
+		return ll_aligned_malloc_16(size);
+	}
+
+	void operator delete(void* ptr)
+	{
+		ll_aligned_free_16(ptr);
+	}
+
 	// Special: These functions are overridden by child classes
 	LLPolySkeletalDistortionInfo*	getInfo() const { return (LLPolySkeletalDistortionInfo*)mInfo; }
 	//   This sets mInfo and calls initialization functions
@@ -419,17 +429,17 @@ public:
 	
 	// LLViewerVisualParam Virtual functions
 	/*virtual*/ F32					getTotalDistortion() { return 0.1f; }
-	/*virtual*/ const LLVector3&	getAvgDistortion()	{ return mDefaultVec; }
+	/*virtual*/ const LLVector4a&	getAvgDistortion()	{ return mDefaultVec; }
 	/*virtual*/ F32					getMaxDistortion() { return 0.1f; }
-	/*virtual*/ LLVector3			getVertexDistortion(S32 index, LLPolyMesh *poly_mesh){return LLVector3(0.001f, 0.001f, 0.001f);}
-	/*virtual*/ const LLVector3*	getFirstDistortion(U32 *index, LLPolyMesh **poly_mesh){index = 0; poly_mesh = NULL; return &mDefaultVec;};
-	/*virtual*/ const LLVector3*	getNextDistortion(U32 *index, LLPolyMesh **poly_mesh){index = 0; poly_mesh = NULL; return NULL;};
+	/*virtual*/ LLVector4a			getVertexDistortion(S32 index, LLPolyMesh *poly_mesh){return LLVector4a(0.001f, 0.001f, 0.001f);}
+	/*virtual*/ const LLVector4a*	getFirstDistortion(U32 *index, LLPolyMesh **poly_mesh){index = 0; poly_mesh = NULL; return &mDefaultVec;};
+	/*virtual*/ const LLVector4a*	getNextDistortion(U32 *index, LLPolyMesh **poly_mesh){index = 0; poly_mesh = NULL; return NULL;};
 
 protected:
 	typedef std::map<LLJoint*, LLVector3> joint_vec_map_t;
 	joint_vec_map_t mJointScales;
 	joint_vec_map_t mJointOffsets;
-	LLVector3	mDefaultVec;
+	LLVector4a	mDefaultVec;
 	// Backlink only; don't make this an LLPointer.
 	LLVOAvatar *mAvatar;
 };
diff --git a/indra/newview/llpolymorph.cpp b/indra/newview/llpolymorph.cpp
index cefd7df3fe..bd96608641 100644
--- a/indra/newview/llpolymorph.cpp
+++ b/indra/newview/llpolymorph.cpp
@@ -48,7 +48,7 @@ LLPolyMorphData::LLPolyMorphData(const std::string& morph_name)
 	mNumIndices = 0;
 	mCurrentIndex = 0;
 	mTotalDistortion = 0.f;
-	mAvgDistortion.zeroVec();
+	mAvgDistortion.clear();
 	mMaxDistortion = 0.f;
 	mVertexIndices = NULL;
 	mCoords = NULL;
@@ -73,9 +73,9 @@ LLPolyMorphData::LLPolyMorphData(const LLPolyMorphData &rhs) :
 {
 	const S32 numVertices = mNumIndices;
 
-	mCoords = new LLVector3[numVertices];
-	mNormals = new LLVector3[numVertices];
-	mBinormals = new LLVector3[numVertices];
+	mCoords = static_cast<LLVector4a*>(ll_aligned_malloc_16(numVertices * sizeof(LLVector4a)));
+	mNormals = static_cast<LLVector4a*>(ll_aligned_malloc_16(numVertices * sizeof(LLVector4a)));
+	mBinormals = static_cast<LLVector4a*>(ll_aligned_malloc_16(numVertices * sizeof(LLVector4a)));
 	mTexCoords = new LLVector2[numVertices];
 	mVertexIndices = new U32[numVertices];
 	
@@ -89,17 +89,12 @@ LLPolyMorphData::LLPolyMorphData(const LLPolyMorphData &rhs) :
 	}
 }
 
-
 //-----------------------------------------------------------------------------
 // ~LLPolyMorphData()
 //-----------------------------------------------------------------------------
 LLPolyMorphData::~LLPolyMorphData()
 {
-	delete [] mVertexIndices;
-	delete [] mCoords;
-	delete [] mNormals;
-	delete [] mBinormals;
-	delete [] mTexCoords;
+	freeData();
 }
 
 //-----------------------------------------------------------------------------
@@ -119,18 +114,23 @@ BOOL LLPolyMorphData::loadBinary(LLFILE *fp, LLPolyMeshSharedData *mesh)
 	}
 
 	//-------------------------------------------------------------------------
+	// free any existing data
+	//-------------------------------------------------------------------------
+	freeData();
+
+	//-------------------------------------------------------------------------
 	// allocate vertices
 	//-------------------------------------------------------------------------
-	mCoords = new LLVector3[numVertices];
-	mNormals = new LLVector3[numVertices];
-	mBinormals = new LLVector3[numVertices];
+	mCoords = static_cast<LLVector4a*>(ll_aligned_malloc_16(numVertices * sizeof(LLVector4a)));
+	mNormals = static_cast<LLVector4a*>(ll_aligned_malloc_16(numVertices * sizeof(LLVector4a)));
+	mBinormals = static_cast<LLVector4a*>(ll_aligned_malloc_16(numVertices * sizeof(LLVector4a)));
 	mTexCoords = new LLVector2[numVertices];
 	// Actually, we are allocating more space than we need for the skiplist
 	mVertexIndices = new U32[numVertices];
 	mNumIndices = 0;
 	mTotalDistortion = 0.f;
 	mMaxDistortion = 0.f;
-	mAvgDistortion.zeroVec();
+	mAvgDistortion.clear();
 	mMesh = mesh;
 
 	//-------------------------------------------------------------------------
@@ -152,36 +152,36 @@ BOOL LLPolyMorphData::loadBinary(LLFILE *fp, LLPolyMeshSharedData *mesh)
 		}
 
 
-		numRead = fread(&mCoords[v].mV, sizeof(F32), 3, fp);
-		llendianswizzle(&mCoords[v].mV, sizeof(F32), 3);
+		numRead = fread(&mCoords[v], sizeof(F32), 3, fp);
+		llendianswizzle(&mCoords[v], sizeof(F32), 3);
 		if (numRead != 3)
 		{
 			llwarns << "Can't read morph target vertex coordinates" << llendl;
 			return FALSE;
 		}
 
-		F32 magnitude = mCoords[v].magVec();
+		F32 magnitude = mCoords[v].getLength3().getF32();
 		
 		mTotalDistortion += magnitude;
-		mAvgDistortion.mV[VX] += fabs(mCoords[v].mV[VX]);
-		mAvgDistortion.mV[VY] += fabs(mCoords[v].mV[VY]);
-		mAvgDistortion.mV[VZ] += fabs(mCoords[v].mV[VZ]);
+		LLVector4a t;
+		t.setAbs(mCoords[v]);
+		mAvgDistortion.add(t);
 		
 		if (magnitude > mMaxDistortion)
 		{
 			mMaxDistortion = magnitude;
 		}
 
-		numRead = fread(&mNormals[v].mV, sizeof(F32), 3, fp);
-		llendianswizzle(&mNormals[v].mV, sizeof(F32), 3);
+		numRead = fread(&mNormals[v], sizeof(F32), 3, fp);
+		llendianswizzle(&mNormals[v], sizeof(F32), 3);
 		if (numRead != 3)
 		{
 			llwarns << "Can't read morph target normal" << llendl;
 			return FALSE;
 		}
 
-		numRead = fread(&mBinormals[v].mV, sizeof(F32), 3, fp);
-		llendianswizzle(&mBinormals[v].mV, sizeof(F32), 3);
+		numRead = fread(&mBinormals[v], sizeof(F32), 3, fp);
+		llendianswizzle(&mBinormals[v], sizeof(F32), 3);
 		if (numRead != 3)
 		{
 			llwarns << "Can't read morph target binormal" << llendl;
@@ -200,13 +200,49 @@ BOOL LLPolyMorphData::loadBinary(LLFILE *fp, LLPolyMeshSharedData *mesh)
 		mNumIndices++;
 	}
 
-	mAvgDistortion = mAvgDistortion * (1.f/(F32)mNumIndices);
-	mAvgDistortion.normVec();
+	mAvgDistortion.mul(1.f/(F32)mNumIndices);
+	mAvgDistortion.normalize3fast();
 
 	return TRUE;
 }
 
 //-----------------------------------------------------------------------------
+// freeData()
+//-----------------------------------------------------------------------------
+void LLPolyMorphData::freeData()
+{
+	if (mCoords != NULL)
+	{
+		ll_aligned_free_16(mCoords);
+		mCoords = NULL;
+	}
+
+	if (mNormals != NULL)
+	{
+		ll_aligned_free_16(mNormals);
+		mNormals = NULL;
+	}
+
+	if (mBinormals != NULL)
+	{
+		ll_aligned_free_16(mBinormals);
+		mBinormals = NULL;
+	}
+
+	if (mTexCoords != NULL)
+	{
+		delete [] mTexCoords;
+		mTexCoords = NULL;
+	}
+
+	if (mVertexIndices != NULL)
+	{
+		delete [] mVertexIndices;
+		mVertexIndices = NULL;
+	}
+}
+
+//-----------------------------------------------------------------------------
 // LLPolyMorphTargetInfo()
 //-----------------------------------------------------------------------------
 LLPolyMorphTargetInfo::LLPolyMorphTargetInfo()
@@ -367,9 +403,9 @@ BOOL LLPolyMorphTarget::parseData(LLXmlTreeNode* node)
 //-----------------------------------------------------------------------------
 // getVertexDistortion()
 //-----------------------------------------------------------------------------
-LLVector3 LLPolyMorphTarget::getVertexDistortion(S32 requested_index, LLPolyMesh *mesh)
+LLVector4a LLPolyMorphTarget::getVertexDistortion(S32 requested_index, LLPolyMesh *mesh)
 {
-	if (!mMorphData || mMesh != mesh) return LLVector3::zero;
+	if (!mMorphData || mMesh != mesh) return LLVector4a::getZero();
 
 	for(U32 index = 0; index < mMorphData->mNumIndices; index++)
 	{
@@ -379,17 +415,17 @@ LLVector3 LLPolyMorphTarget::getVertexDistortion(S32 requested_index, LLPolyMesh
 		}
 	}
 
-	return LLVector3::zero;
+	return LLVector4a::getZero();
 }
 
 //-----------------------------------------------------------------------------
 // getFirstDistortion()
 //-----------------------------------------------------------------------------
-const LLVector3 *LLPolyMorphTarget::getFirstDistortion(U32 *index, LLPolyMesh **poly_mesh)
+const LLVector4a *LLPolyMorphTarget::getFirstDistortion(U32 *index, LLPolyMesh **poly_mesh)
 {
-	if (!mMorphData) return &LLVector3::zero;
+	if (!mMorphData) return &LLVector4a::getZero();
 
-	LLVector3* resultVec;
+	LLVector4a* resultVec;
 	mMorphData->mCurrentIndex = 0;
 	if (mMorphData->mNumIndices)
 	{
@@ -411,11 +447,11 @@ const LLVector3 *LLPolyMorphTarget::getFirstDistortion(U32 *index, LLPolyMesh **
 //-----------------------------------------------------------------------------
 // getNextDistortion()
 //-----------------------------------------------------------------------------
-const LLVector3 *LLPolyMorphTarget::getNextDistortion(U32 *index, LLPolyMesh **poly_mesh)
+const LLVector4a *LLPolyMorphTarget::getNextDistortion(U32 *index, LLPolyMesh **poly_mesh)
 {
-	if (!mMorphData) return &LLVector3::zero;
+	if (!mMorphData) return &LLVector4a::getZero();
 
-	LLVector3* resultVec;
+	LLVector4a* resultVec;
 	mMorphData->mCurrentIndex++;
 	if (mMorphData->mCurrentIndex < mMorphData->mNumIndices)
 	{
@@ -451,7 +487,7 @@ F32	LLPolyMorphTarget::getTotalDistortion()
 //-----------------------------------------------------------------------------
 // getAvgDistortion()
 //-----------------------------------------------------------------------------
-const LLVector3& LLPolyMorphTarget::getAvgDistortion()	
+const LLVector4a& LLPolyMorphTarget::getAvgDistortion()	
 {
 	if (mMorphData) 
 	{
@@ -459,7 +495,7 @@ const LLVector3& LLPolyMorphTarget::getAvgDistortion()
 	}
 	else 
 	{
-		return LLVector3::zero;
+		return LLVector4a::getZero();
 	}
 }
 
@@ -481,6 +517,8 @@ F32	LLPolyMorphTarget::getMaxDistortion()
 //-----------------------------------------------------------------------------
 // apply()
 //-----------------------------------------------------------------------------
+static LLFastTimer::DeclareTimer FTM_APPLY_MORPH_TARGET("Apply Morph");
+
 void LLPolyMorphTarget::apply( ESex avatar_sex )
 {
 	if (!mMorphData || mNumMorphMasksPending > 0)
@@ -488,6 +526,8 @@ void LLPolyMorphTarget::apply( ESex avatar_sex )
 		return;
 	}
 
+	LLFastTimer t(FTM_APPLY_MORPH_TARGET);
+
 	mLastSex = avatar_sex;
 
 	// Check for NaN condition (NaN is detected if a variable doesn't equal itself.
@@ -508,15 +548,15 @@ void LLPolyMorphTarget::apply( ESex avatar_sex )
 	if (delta_weight != 0.f)
 	{
 		llassert(!mMesh->isLOD());
-		LLVector4 *coords = mMesh->getWritableCoords();
+		LLVector4a *coords = mMesh->getWritableCoords();
 
-		LLVector3 *scaled_normals = mMesh->getScaledNormals();
-		LLVector4 *normals = mMesh->getWritableNormals();
+		LLVector4a *scaled_normals = mMesh->getScaledNormals();
+		LLVector4a *normals = mMesh->getWritableNormals();
 
-		LLVector3 *scaled_binormals = mMesh->getScaledBinormals();
-		LLVector3 *binormals = mMesh->getWritableBinormals();
+		LLVector4a *scaled_binormals = mMesh->getScaledBinormals();
+		LLVector4a *binormals = mMesh->getWritableBinormals();
 
-		LLVector4 *clothing_weights = mMesh->getWritableClothingWeights();
+		LLVector4a *clothing_weights = mMesh->getWritableClothingWeights();
 		LLVector2 *tex_coords = mMesh->getWritableTexCoords();
 
 		F32 *maskWeightArray = (mVertMask) ? mVertMask->getMorphMaskWeights() : NULL;
@@ -531,31 +571,38 @@ void LLPolyMorphTarget::apply( ESex avatar_sex )
 				maskWeight = maskWeightArray[vert_index_morph];
 			}
 
-			coords[vert_index_mesh] += LLVector4(mMorphData->mCoords[vert_index_morph] * delta_weight * maskWeight);
+
+			LLVector4a pos = mMorphData->mCoords[vert_index_morph];
+			pos.mul(delta_weight*maskWeight);
+			coords[vert_index_mesh].add(pos);
 
 			if (getInfo()->mIsClothingMorph && clothing_weights)
 			{
-				LLVector3 clothing_offset = mMorphData->mCoords[vert_index_morph] * delta_weight * maskWeight;
-				LLVector4* clothing_weight = &clothing_weights[vert_index_mesh];
-				clothing_weight->mV[VX] += clothing_offset.mV[VX];
-				clothing_weight->mV[VY] += clothing_offset.mV[VY];
-				clothing_weight->mV[VZ] += clothing_offset.mV[VZ];
-				clothing_weight->mV[VW] = maskWeight;
+				LLVector4a clothing_offset = mMorphData->mCoords[vert_index_morph];
+				clothing_offset.mul(delta_weight * maskWeight);
+				LLVector4a* clothing_weight = &clothing_weights[vert_index_mesh];
+				clothing_weight->add(clothing_offset);
+				clothing_weight->getF32ptr()[VW] = maskWeight;
 			}
 
 			// calculate new normals based on half angles
-			scaled_normals[vert_index_mesh] += mMorphData->mNormals[vert_index_morph] * delta_weight * maskWeight * NORMAL_SOFTEN_FACTOR;
-			LLVector3 normalized_normal = scaled_normals[vert_index_mesh];
-			normalized_normal.normVec();
-			normals[vert_index_mesh] = LLVector4(normalized_normal);
+			LLVector4a norm = mMorphData->mNormals[vert_index_morph];
+			norm.mul(delta_weight*maskWeight*NORMAL_SOFTEN_FACTOR);
+			scaled_normals[vert_index_mesh].add(norm);
+			norm = scaled_normals[vert_index_mesh];
+			norm.normalize3fast();
+			normals[vert_index_mesh] = norm;
 
 			// calculate new binormals
-			scaled_binormals[vert_index_mesh] += mMorphData->mBinormals[vert_index_morph] * delta_weight * maskWeight * NORMAL_SOFTEN_FACTOR;
-			LLVector3 tangent = scaled_binormals[vert_index_mesh] % normalized_normal;
-			LLVector3 normalized_binormal = normalized_normal % tangent; 
-			normalized_binormal.normVec();
-			binormals[vert_index_mesh] = normalized_binormal;
-
+			LLVector4a binorm = mMorphData->mBinormals[vert_index_morph];
+			binorm.mul(delta_weight*maskWeight*NORMAL_SOFTEN_FACTOR);
+			scaled_binormals[vert_index_mesh].add(binorm);
+			LLVector4a tangent;
+			tangent.setCross3(scaled_binormals[vert_index_mesh], norm);
+			LLVector4a& normalized_binormal = binormals[vert_index_mesh];
+			normalized_binormal.setCross3(norm, tangent); 
+			normalized_binormal.normalize3fast();
+			
 			tex_coords[vert_index_mesh] += mMorphData->mTexCoords[vert_index_morph] * delta_weight * maskWeight;
 		}
 
@@ -582,7 +629,7 @@ void LLPolyMorphTarget::apply( ESex avatar_sex )
 //-----------------------------------------------------------------------------
 void	LLPolyMorphTarget::applyMask(U8 *maskTextureData, S32 width, S32 height, S32 num_components, BOOL invert)
 {
-	LLVector4 *clothing_weights = getInfo()->mIsClothingMorph ? mMesh->getWritableClothingWeights() : NULL;
+	LLVector4a *clothing_weights = getInfo()->mIsClothingMorph ? mMesh->getWritableClothingWeights() : NULL;
 
 	if (!mVertMask)
 	{
@@ -596,29 +643,47 @@ void	LLPolyMorphTarget::applyMask(U8 *maskTextureData, S32 width, S32 height, S3
 
 		if (maskWeights)
 		{
-			LLVector4 *coords = mMesh->getWritableCoords();
-			LLVector3 *scaled_normals = mMesh->getScaledNormals();
-			LLVector3 *scaled_binormals = mMesh->getScaledBinormals();
+			LLVector4a *coords = mMesh->getWritableCoords();
+			LLVector4a *scaled_normals = mMesh->getScaledNormals();
+			LLVector4a *scaled_binormals = mMesh->getScaledBinormals();
 			LLVector2 *tex_coords = mMesh->getWritableTexCoords();
 
+			LLVector4Logical clothing_mask;
+			clothing_mask.clear();
+			clothing_mask.setElement<0>();
+			clothing_mask.setElement<1>();
+			clothing_mask.setElement<2>();
+
+
 			for(U32 vert = 0; vert < mMorphData->mNumIndices; vert++)
 			{
 				F32 lastMaskWeight = mLastWeight * maskWeights[vert];
 				S32 out_vert = mMorphData->mVertexIndices[vert];
 
 				// remove effect of existing masked morph
-				coords[out_vert] -= LLVector4(mMorphData->mCoords[vert]) * lastMaskWeight;
-				scaled_normals[out_vert] -= mMorphData->mNormals[vert] * lastMaskWeight * NORMAL_SOFTEN_FACTOR;
-				scaled_binormals[out_vert] -= mMorphData->mBinormals[vert] * lastMaskWeight * NORMAL_SOFTEN_FACTOR;
+				LLVector4a t;
+				t = mMorphData->mCoords[vert];
+				t.mul(lastMaskWeight);
+				coords[out_vert].sub(t);
+
+				t = mMorphData->mNormals[vert];
+				t.mul(lastMaskWeight*NORMAL_SOFTEN_FACTOR);
+				scaled_normals[out_vert].sub(t);
+
+				t = mMorphData->mBinormals[vert];
+				t.mul(lastMaskWeight*NORMAL_SOFTEN_FACTOR);
+				scaled_binormals[out_vert].sub(t);
+
 				tex_coords[out_vert] -= mMorphData->mTexCoords[vert] * lastMaskWeight;
 
 				if (clothing_weights)
 				{
-					LLVector3 clothing_offset = mMorphData->mCoords[vert] * lastMaskWeight;
-					LLVector4* clothing_weight = &clothing_weights[out_vert];
-					clothing_weight->mV[VX] -= clothing_offset.mV[VX];
-					clothing_weight->mV[VY] -= clothing_offset.mV[VY];
-					clothing_weight->mV[VZ] -= clothing_offset.mV[VZ];
+					LLVector4a clothing_offset = mMorphData->mCoords[vert];
+					clothing_offset.mul(lastMaskWeight);
+					LLVector4a* clothing_weight = &clothing_weights[out_vert];
+					LLVector4a t;
+					t.setSub(*clothing_weight, clothing_offset);
+					clothing_weight->setSelectWithMask(clothing_mask, t, *clothing_weight);
 				}
 			}
 		}
@@ -654,7 +719,7 @@ LLPolyVertexMask::~LLPolyVertexMask()
 //-----------------------------------------------------------------------------
 // generateMask()
 //-----------------------------------------------------------------------------
-void LLPolyVertexMask::generateMask(U8 *maskTextureData, S32 width, S32 height, S32 num_components, BOOL invert, LLVector4 *clothing_weights)
+void LLPolyVertexMask::generateMask(U8 *maskTextureData, S32 width, S32 height, S32 num_components, BOOL invert, LLVector4a *clothing_weights)
 {
 // RN debug output that uses Image Debugger (http://www.cs.unc.edu/~baxter/projects/imdebug/)
 //	BOOL debugImg = FALSE; 
@@ -698,7 +763,7 @@ void LLPolyVertexMask::generateMask(U8 *maskTextureData, S32 width, S32 height,
 
 		if (clothing_weights)
 		{
-			clothing_weights[vertIndex].mV[VW] = mWeights[index];
+			clothing_weights[vertIndex].getF32ptr()[VW] = mWeights[index];
 		}
 	}
 	mWeightsGenerated = TRUE;
diff --git a/indra/newview/llpolymorph.h b/indra/newview/llpolymorph.h
index 8a024f2e9e..678599d7e1 100644
--- a/indra/newview/llpolymorph.h
+++ b/indra/newview/llpolymorph.h
@@ -48,6 +48,16 @@ public:
 	~LLPolyMorphData();
 	LLPolyMorphData(const LLPolyMorphData &rhs);
 
+	void* operator new(size_t size)
+	{
+		return ll_aligned_malloc_16(size);
+	}
+
+	void operator delete(void* ptr)
+	{
+		ll_aligned_free_16(ptr);
+	}
+
 	BOOL			loadBinary(LLFILE* fp, LLPolyMeshSharedData *mesh);
 	const std::string& getName() { return mName; }
 
@@ -58,15 +68,18 @@ public:
 	U32					mNumIndices;
 	U32*				mVertexIndices;
 	U32					mCurrentIndex;
-	LLVector3*			mCoords;
-	LLVector3*			mNormals;
-	LLVector3*			mBinormals;
+	LLVector4a*			mCoords;
+	LLVector4a*			mNormals;
+	LLVector4a*			mBinormals;
 	LLVector2*			mTexCoords;
 
 	F32					mTotalDistortion;	// vertex distortion summed over entire morph
 	F32					mMaxDistortion;		// maximum single vertex distortion in a given morph
-	LLVector3			mAvgDistortion;		// average vertex distortion, to infer directionality of the morph
+	LLVector4a			mAvgDistortion;		// average vertex distortion, to infer directionality of the morph
 	LLPolyMeshSharedData*	mMesh;
+
+private:
+	void freeData();
 };
 
 //-----------------------------------------------------------------------------
@@ -78,7 +91,7 @@ public:
 	LLPolyVertexMask(LLPolyMorphData* morph_data);
 	~LLPolyVertexMask();
 
-	void generateMask(U8 *maskData, S32 width, S32 height, S32 num_components, BOOL invert, LLVector4 *clothing_weights);
+	void generateMask(U8 *maskData, S32 width, S32 height, S32 num_components, BOOL invert, LLVector4a *clothing_weights);
 	F32* getMorphMaskWeights();
 
 
@@ -157,11 +170,11 @@ public:
 	
 	// LLViewerVisualParam Virtual functions
 	/*virtual*/ F32					getTotalDistortion();
-	/*virtual*/ const LLVector3&	getAvgDistortion();
+	/*virtual*/ const LLVector4a&	getAvgDistortion();
 	/*virtual*/ F32					getMaxDistortion();
-	/*virtual*/ LLVector3			getVertexDistortion(S32 index, LLPolyMesh *poly_mesh);
-	/*virtual*/ const LLVector3*	getFirstDistortion(U32 *index, LLPolyMesh **poly_mesh);
-	/*virtual*/ const LLVector3*	getNextDistortion(U32 *index, LLPolyMesh **poly_mesh);
+	/*virtual*/ LLVector4a			getVertexDistortion(S32 index, LLPolyMesh *poly_mesh);
+	/*virtual*/ const LLVector4a*	getFirstDistortion(U32 *index, LLPolyMesh **poly_mesh);
+	/*virtual*/ const LLVector4a*	getNextDistortion(U32 *index, LLPolyMesh **poly_mesh);
 
 	void	applyMask(U8 *maskData, S32 width, S32 height, S32 num_components, BOOL invert);
 	void	addPendingMorphMask() { mNumMorphMasksPending++; }
diff --git a/indra/newview/llsidepaneliteminfo.cpp b/indra/newview/llsidepaneliteminfo.cpp
index 1ce05da849..92c2863ffd 100644
--- a/indra/newview/llsidepaneliteminfo.cpp
+++ b/indra/newview/llsidepaneliteminfo.cpp
@@ -352,7 +352,7 @@ void LLSidepanelItemInfo::refreshFromItem(LLViewerInventoryItem* item)
 		getChildView("BtnCreator")->setEnabled(FALSE);
 		getChildView("LabelCreatorTitle")->setEnabled(FALSE);
 		getChildView("LabelCreatorName")->setEnabled(FALSE);
-		getChild<LLUICtrl>("LabelCreatorName")->setValue(getString("unknown"));
+		getChild<LLUICtrl>("LabelCreatorName")->setValue(getString("unknown_multiple"));
 	}
 
 	////////////////
diff --git a/indra/newview/llspatialpartition.cpp b/indra/newview/llspatialpartition.cpp
index 9a6cb78333..7264ba3cab 100644
--- a/indra/newview/llspatialpartition.cpp
+++ b/indra/newview/llspatialpartition.cpp
@@ -68,6 +68,7 @@ const F32 SG_OCCLUSION_FUDGE = 0.25f;
 #define assert_states_valid(x)
 #endif
 
+extern bool gShiftFrame;
 
 static U32 sZombieGroups = 0;
 U32 LLSpatialGroup::sNodeCount = 0;
@@ -542,7 +543,7 @@ void LLSpatialGroup::validate()
 
 	validateDrawMap();
 
-	for (element_iter i = getData().begin(); i != getData().end(); ++i)
+	for (element_iter i = getDataBegin(); i != getDataEnd(); ++i)
 	{
 		LLDrawable* drawable = *i;
 		sg_assert(drawable->getSpatialGroup() == this);
@@ -759,7 +760,7 @@ BOOL LLSpatialGroup::boundObjects(BOOL empty, LLVector4a& minOut, LLVector4a& ma
 {	
 	const OctreeNode* node = mOctreeNode;
 
-	if (node->getData().empty())
+	if (node->isEmpty())
 	{	//don't do anything if there are no objects
 		if (empty && mOctreeNode->getParent())
 		{	//only root is allowed to be empty
@@ -776,14 +777,14 @@ BOOL LLSpatialGroup::boundObjects(BOOL empty, LLVector4a& minOut, LLVector4a& ma
 		clearState(OBJECT_DIRTY);
 
 		//initialize bounding box to first element
-		OctreeNode::const_element_iter i = node->getData().begin();
+		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->getData().end(); ++i)
+		for (++i; i != node->getDataEnd(); ++i)
 		{
 			drawablep = *i;
 			minMax = drawablep->getSpatialExtents();
@@ -924,7 +925,10 @@ void LLSpatialGroup::shift(const LLVector4a &offset)
 	mObjectExtents[0].add(offset);
 	mObjectExtents[1].add(offset);
 
-	//if (!mSpatialPartition->mRenderByGroup)
+	if (!mSpatialPartition->mRenderByGroup && 
+		mSpatialPartition->mPartitionType != LLViewerRegion::PARTITION_TREE &&
+		mSpatialPartition->mPartitionType != LLViewerRegion::PARTITION_TERRAIN &&
+		mSpatialPartition->mPartitionType != LLViewerRegion::PARTITION_BRIDGE)
 	{
 		setState(GEOM_DIRTY);
 		gPipeline.markRebuild(this, TRUE);
@@ -1241,13 +1245,18 @@ void LLSpatialGroup::updateDistance(LLCamera &camera)
 		return;
 	}
 
+	if (gShiftFrame)
+	{
+		return;
+	}
+
 #if !LL_RELEASE_FOR_DOWNLOAD
 	if (isState(LLSpatialGroup::OBJECT_DIRTY))
 	{
 		llerrs << "Spatial group dirty on distance update." << llendl;
 	}
 #endif
-	if (!getData().empty())
+	if (!isEmpty())
 	{
 		mRadius = mSpatialPartition->mRenderByGroup ? mObjectBounds[1].getLength3().getF32() :
 						(F32) mOctreeNode->getSize().getLength3().getF32();
@@ -1398,7 +1407,7 @@ void LLSpatialGroup::handleDestruction(const TreeNode* node)
 	LLMemType mt(LLMemType::MTYPE_SPACE_PARTITION);
 	setState(DEAD);
 	
-	for (element_iter i = getData().begin(); i != getData().end(); ++i)
+	for (element_iter i = getDataBegin(); i != getDataEnd(); ++i)
 	{
 		LLDrawable* drawable = *i;
 		if (drawable->getSpatialGroup() == this)
@@ -1485,7 +1494,7 @@ void LLSpatialGroup::destroyGL(bool keep_occlusion)
 	}
 
 
-	for (LLSpatialGroup::element_iter i = getData().begin(); i != getData().end(); ++i)
+	for (LLSpatialGroup::element_iter i = getDataBegin(); i != getDataEnd(); ++i)
 	{
 		LLDrawable* drawable = *i;
 		for (S32 j = 0; j < drawable->getNumFaces(); j++)
@@ -1845,6 +1854,10 @@ BOOL LLSpatialPartition::remove(LLDrawable *drawablep, LLSpatialGroup *curp)
 	{
 		OCT_ERRS << "Failed to remove drawable from octree!" << llendl;
 	}
+	else
+	{
+		drawablep->setSpatialGroup(NULL);
+	}
 
 	drawablep->setSpatialGroup(NULL);
 
@@ -2117,7 +2130,7 @@ public:
 
 	virtual void processGroup(LLSpatialGroup* group)
 	{
-		llassert(!group->isState(LLSpatialGroup::DIRTY) && !group->getData().empty())
+		llassert(!group->isState(LLSpatialGroup::DIRTY) && !group->isEmpty())
 		
 		if (mRes < 2)
 		{
@@ -2184,7 +2197,7 @@ public:
 	{
 		LLSpatialGroup::OctreeNode* branch = group->mOctreeNode;
 
-		for (LLSpatialGroup::OctreeNode::const_element_iter i = branch->getData().begin(); i != branch->getData().end(); ++i)
+		for (LLSpatialGroup::OctreeNode::const_element_iter i = branch->getDataBegin(); i != branch->getDataEnd(); ++i)
 		{
 			LLDrawable* drawable = *i;
 			
@@ -2308,7 +2321,7 @@ public:
 		LLSpatialGroup* group = (LLSpatialGroup*) state->getListener(0);
 		group->destroyGL();
 
-		for (LLSpatialGroup::element_iter i = group->getData().begin(); i != group->getData().end(); ++i)
+		for (LLSpatialGroup::element_iter i = group->getDataBegin(); i != group->getDataEnd(); ++i)
 		{
 			LLDrawable* drawable = *i;
 			if (drawable->getVObj().notNull() && !group->mSpatialPartition->mRenderByGroup)
@@ -2618,7 +2631,7 @@ void renderOctree(LLSpatialGroup* group)
 			gGL.flush();
 			glLineWidth(1.f);
 			gGL.flush();
-			for (LLSpatialGroup::element_iter i = group->getData().begin(); i != group->getData().end(); ++i)
+			for (LLSpatialGroup::element_iter i = group->getDataBegin(); i != group->getDataEnd(); ++i)
 			{
 				LLDrawable* drawable = *i;
 				if (!group->mSpatialPartition->isBridge())
@@ -2664,7 +2677,7 @@ void renderOctree(LLSpatialGroup* group)
 	}
 	else
 	{
-		if (group->mBufferUsage == GL_STATIC_DRAW_ARB && !group->getData().empty() 
+		if (group->mBufferUsage == GL_STATIC_DRAW_ARB && !group->isEmpty() 
 			&& group->mSpatialPartition->mRenderByGroup)
 		{
 			col.setVec(0.8f, 0.4f, 0.1f, 0.1f);
@@ -2732,7 +2745,7 @@ void renderVisibility(LLSpatialGroup* group, LLCamera* camera)
 	glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
 
 	BOOL render_objects = (!LLPipeline::sUseOcclusion || !group->isOcclusionState(LLSpatialGroup::OCCLUDED)) && group->isVisible() &&
-							!group->getData().empty();
+							!group->isEmpty();
 
 	if (render_objects)
 	{
@@ -3463,7 +3476,7 @@ void renderPhysicsShape(LLDrawable* drawable, LLVOVolume* volume)
 
 void renderPhysicsShapes(LLSpatialGroup* group)
 {
-	for (LLSpatialGroup::OctreeNode::const_element_iter i = group->getData().begin(); i != group->getData().end(); ++i)
+	for (LLSpatialGroup::OctreeNode::const_element_iter i = group->getDataBegin(); i != group->getDataEnd(); ++i)
 	{
 		LLDrawable* drawable = *i;
 		LLVOVolume* volume = drawable->getVOVolume();
@@ -3812,7 +3825,7 @@ public:
 
 		LLVector3 center, size;
 		
-		if (branch->getData().empty())
+		if (branch->isEmpty())
 		{
 			gGL.diffuseColor3f(1.f,0.2f,0.f);
 			center.set(branch->getCenter().getF32ptr());
@@ -3848,8 +3861,8 @@ public:
 			}
 
 			gGL.begin(LLRender::TRIANGLES);
-			for (LLOctreeNode<LLVolumeTriangle>::const_element_iter iter = branch->getData().begin();
-					iter != branch->getData().end();
+			for (LLOctreeNode<LLVolumeTriangle>::const_element_iter iter = branch->getDataBegin();
+					iter != branch->getDataEnd();
 					++iter)
 			{
 				const LLVolumeTriangle* tri = *iter;
@@ -4086,7 +4099,7 @@ public:
 
 		if (gPipeline.hasRenderDebugMask(LLPipeline::RENDER_DEBUG_BBOXES))
 		{
-			if (!group->getData().empty())
+			if (!group->isEmpty())
 			{
 				gGL.diffuseColor3f(0,0,1);
 				drawBoxOutline(group->mObjectBounds[0],
@@ -4094,7 +4107,7 @@ public:
 			}
 		}
 
-		for (LLSpatialGroup::OctreeNode::const_element_iter i = branch->getData().begin(); i != branch->getData().end(); ++i)
+		for (LLSpatialGroup::OctreeNode::const_element_iter i = branch->getDataBegin(); i != branch->getDataEnd(); ++i)
 		{
 			LLDrawable* drawable = *i;
 					
@@ -4283,7 +4296,7 @@ public:
 			return;
 		}
 
-		for (LLSpatialGroup::OctreeNode::const_element_iter i = branch->getData().begin(); i != branch->getData().end(); ++i)
+		for (LLSpatialGroup::OctreeNode::const_element_iter i = branch->getDataBegin(); i != branch->getDataEnd(); ++i)
 		{
 			LLDrawable* drawable = *i;
 						
@@ -4507,7 +4520,7 @@ public:
 	
 	virtual void visit(const LLSpatialGroup::OctreeNode* branch) 
 	{	
-		for (LLSpatialGroup::OctreeNode::const_element_iter i = branch->getData().begin(); i != branch->getData().end(); ++i)
+		for (LLSpatialGroup::OctreeNode::const_element_iter i = branch->getDataBegin(); i != branch->getDataEnd(); ++i)
 		{
 			check(*i);
 		}
@@ -4693,28 +4706,62 @@ LLVertexBuffer* LLGeometryManager::createVertexBuffer(U32 type_mask, U32 usage)
 
 LLCullResult::LLCullResult() 
 {
+	mVisibleGroupsAllocated = 0;
+	mAlphaGroupsAllocated = 0;
+	mOcclusionGroupsAllocated = 0;
+	mDrawableGroupsAllocated = 0;
+	mVisibleListAllocated = 0;
+	mVisibleBridgeAllocated = 0;
+
+	mVisibleGroups = NULL;
+	mVisibleGroupsEnd = NULL;
+	mAlphaGroups = NULL;
+	mAlphaGroupsEnd = NULL;
+	mOcclusionGroups = NULL;
+	mOcclusionGroupsEnd = NULL;
+	mDrawableGroups = NULL;
+	mDrawableGroupsEnd = NULL;
+	mVisibleList = NULL;
+	mVisibleListEnd = NULL;
+	mVisibleBridge = NULL;
+	mVisibleBridgeEnd = NULL;
+
+	for (U32 i = 0; i < LLRenderPass::NUM_RENDER_TYPES; i++)
+	{
+		mRenderMap[i] = NULL;
+		mRenderMapEnd[i] = NULL;
+		mRenderMapAllocated[i] = 0;
+	}
+
 	clear();
 }
 
+void LLCullResult::pushBack(void**& head, U32& count, void* val)
+{
+	count++;
+	head = (void**) realloc((void*) head, sizeof(void*) * count);
+	head[count-1] = val;
+}
+
 void LLCullResult::clear()
 {
 	mVisibleGroupsSize = 0;
-	mVisibleGroupsEnd = mVisibleGroups.begin();
+	mVisibleGroupsEnd = mVisibleGroups;
 
 	mAlphaGroupsSize = 0;
-	mAlphaGroupsEnd = mAlphaGroups.begin();
+	mAlphaGroupsEnd = mAlphaGroups;
 
 	mOcclusionGroupsSize = 0;
-	mOcclusionGroupsEnd = mOcclusionGroups.begin();
+	mOcclusionGroupsEnd = mOcclusionGroups;
 
 	mDrawableGroupsSize = 0;
-	mDrawableGroupsEnd = mDrawableGroups.begin();
+	mDrawableGroupsEnd = mDrawableGroups;
 
 	mVisibleListSize = 0;
-	mVisibleListEnd = mVisibleList.begin();
+	mVisibleListEnd = mVisibleList;
 
 	mVisibleBridgeSize = 0;
-	mVisibleBridgeEnd = mVisibleBridge.begin();
+	mVisibleBridgeEnd = mVisibleBridge;
 
 
 	for (U32 i = 0; i < LLRenderPass::NUM_RENDER_TYPES; i++)
@@ -4724,176 +4771,176 @@ void LLCullResult::clear()
 			mRenderMap[i][j] = 0;
 		}
 		mRenderMapSize[i] = 0;
-		mRenderMapEnd[i] = mRenderMap[i].begin();
+		mRenderMapEnd[i] = mRenderMap[i];
 	}
 }
 
-LLCullResult::sg_list_t::iterator LLCullResult::beginVisibleGroups()
+LLCullResult::sg_iterator LLCullResult::beginVisibleGroups()
 {
-	return mVisibleGroups.begin();
+	return mVisibleGroups;
 }
 
-LLCullResult::sg_list_t::iterator LLCullResult::endVisibleGroups()
+LLCullResult::sg_iterator LLCullResult::endVisibleGroups()
 {
 	return mVisibleGroupsEnd;
 }
 
-LLCullResult::sg_list_t::iterator LLCullResult::beginAlphaGroups()
+LLCullResult::sg_iterator LLCullResult::beginAlphaGroups()
 {
-	return mAlphaGroups.begin();
+	return mAlphaGroups;
 }
 
-LLCullResult::sg_list_t::iterator LLCullResult::endAlphaGroups()
+LLCullResult::sg_iterator LLCullResult::endAlphaGroups()
 {
 	return mAlphaGroupsEnd;
 }
 
-LLCullResult::sg_list_t::iterator LLCullResult::beginOcclusionGroups()
+LLCullResult::sg_iterator LLCullResult::beginOcclusionGroups()
 {
-	return mOcclusionGroups.begin();
+	return mOcclusionGroups;
 }
 
-LLCullResult::sg_list_t::iterator LLCullResult::endOcclusionGroups()
+LLCullResult::sg_iterator LLCullResult::endOcclusionGroups()
 {
 	return mOcclusionGroupsEnd;
 }
 
-LLCullResult::sg_list_t::iterator LLCullResult::beginDrawableGroups()
+LLCullResult::sg_iterator LLCullResult::beginDrawableGroups()
 {
-	return mDrawableGroups.begin();
+	return mDrawableGroups;
 }
 
-LLCullResult::sg_list_t::iterator LLCullResult::endDrawableGroups()
+LLCullResult::sg_iterator LLCullResult::endDrawableGroups()
 {
 	return mDrawableGroupsEnd;
 }
 
-LLCullResult::drawable_list_t::iterator LLCullResult::beginVisibleList()
+LLCullResult::drawable_iterator LLCullResult::beginVisibleList()
 {
-	return mVisibleList.begin();
+	return mVisibleList;
 }
 
-LLCullResult::drawable_list_t::iterator LLCullResult::endVisibleList()
+LLCullResult::drawable_iterator LLCullResult::endVisibleList()
 {
 	return mVisibleListEnd;
 }
 
-LLCullResult::bridge_list_t::iterator LLCullResult::beginVisibleBridge()
+LLCullResult::bridge_iterator LLCullResult::beginVisibleBridge()
 {
-	return mVisibleBridge.begin();
+	return mVisibleBridge;
 }
 
-LLCullResult::bridge_list_t::iterator LLCullResult::endVisibleBridge()
+LLCullResult::bridge_iterator LLCullResult::endVisibleBridge()
 {
 	return mVisibleBridgeEnd;
 }
 
-LLCullResult::drawinfo_list_t::iterator LLCullResult::beginRenderMap(U32 type)
+LLCullResult::drawinfo_iterator LLCullResult::beginRenderMap(U32 type)
 {
-	return mRenderMap[type].begin();
+	return mRenderMap[type];
 }
 
-LLCullResult::drawinfo_list_t::iterator LLCullResult::endRenderMap(U32 type)
+LLCullResult::drawinfo_iterator LLCullResult::endRenderMap(U32 type)
 {
 	return mRenderMapEnd[type];
 }
 
 void LLCullResult::pushVisibleGroup(LLSpatialGroup* group)
 {
-	if (mVisibleGroupsSize < mVisibleGroups.size())
+	if (mVisibleGroupsSize < mVisibleGroupsAllocated)
 	{
 		mVisibleGroups[mVisibleGroupsSize] = group;
 	}
 	else
 	{
-		mVisibleGroups.push_back(group);
+		pushBack((void**&) mVisibleGroups, mVisibleGroupsAllocated, (void*) group);
 	}
 	++mVisibleGroupsSize;
-	mVisibleGroupsEnd = mVisibleGroups.begin()+mVisibleGroupsSize;
+	mVisibleGroupsEnd = mVisibleGroups+mVisibleGroupsSize;
 }
 
 void LLCullResult::pushAlphaGroup(LLSpatialGroup* group)
 {
-	if (mAlphaGroupsSize < mAlphaGroups.size())
+	if (mAlphaGroupsSize < mAlphaGroupsAllocated)
 	{
 		mAlphaGroups[mAlphaGroupsSize] = group;
 	}
 	else
 	{
-		mAlphaGroups.push_back(group);
+		pushBack((void**&) mAlphaGroups, mAlphaGroupsAllocated, (void*) group);
 	}
 	++mAlphaGroupsSize;
-	mAlphaGroupsEnd = mAlphaGroups.begin()+mAlphaGroupsSize;
+	mAlphaGroupsEnd = mAlphaGroups+mAlphaGroupsSize;
 }
 
 void LLCullResult::pushOcclusionGroup(LLSpatialGroup* group)
 {
-	if (mOcclusionGroupsSize < mOcclusionGroups.size())
+	if (mOcclusionGroupsSize < mOcclusionGroupsAllocated)
 	{
 		mOcclusionGroups[mOcclusionGroupsSize] = group;
 	}
 	else
 	{
-		mOcclusionGroups.push_back(group);
+		pushBack((void**&) mOcclusionGroups, mOcclusionGroupsAllocated, (void*) group);
 	}
 	++mOcclusionGroupsSize;
-	mOcclusionGroupsEnd = mOcclusionGroups.begin()+mOcclusionGroupsSize;
+	mOcclusionGroupsEnd = mOcclusionGroups+mOcclusionGroupsSize;
 }
 
 void LLCullResult::pushDrawableGroup(LLSpatialGroup* group)
 {
-	if (mDrawableGroupsSize < mDrawableGroups.size())
+	if (mDrawableGroupsSize < mDrawableGroupsAllocated)
 	{
 		mDrawableGroups[mDrawableGroupsSize] = group;
 	}
 	else
 	{
-		mDrawableGroups.push_back(group);
+		pushBack((void**&) mDrawableGroups, mDrawableGroupsAllocated, (void*) group);
 	}
 	++mDrawableGroupsSize;
-	mDrawableGroupsEnd = mDrawableGroups.begin()+mDrawableGroupsSize;
+	mDrawableGroupsEnd = mDrawableGroups+mDrawableGroupsSize;
 }
 
 void LLCullResult::pushDrawable(LLDrawable* drawable)
 {
-	if (mVisibleListSize < mVisibleList.size())
+	if (mVisibleListSize < mVisibleListAllocated)
 	{
 		mVisibleList[mVisibleListSize] = drawable;
 	}
 	else
 	{
-		mVisibleList.push_back(drawable);
+		pushBack((void**&) mVisibleList, mVisibleListAllocated, (void*) drawable);
 	}
 	++mVisibleListSize;
-	mVisibleListEnd = mVisibleList.begin()+mVisibleListSize;
+	mVisibleListEnd = mVisibleList+mVisibleListSize;
 }
 
 void LLCullResult::pushBridge(LLSpatialBridge* bridge)
 {
-	if (mVisibleBridgeSize < mVisibleBridge.size())
+	if (mVisibleBridgeSize < mVisibleBridgeAllocated)
 	{
 		mVisibleBridge[mVisibleBridgeSize] = bridge;
 	}
 	else
 	{
-		mVisibleBridge.push_back(bridge);
+		pushBack((void**&) mVisibleBridge, mVisibleBridgeAllocated, (void*) bridge);
 	}
 	++mVisibleBridgeSize;
-	mVisibleBridgeEnd = mVisibleBridge.begin()+mVisibleBridgeSize;
+	mVisibleBridgeEnd = mVisibleBridge+mVisibleBridgeSize;
 }
 
 void LLCullResult::pushDrawInfo(U32 type, LLDrawInfo* draw_info)
 {
-	if (mRenderMapSize[type] < mRenderMap[type].size())
+	if (mRenderMapSize[type] < mRenderMapAllocated[type])
 	{
 		mRenderMap[type][mRenderMapSize[type]] = draw_info;
 	}
 	else
 	{
-		mRenderMap[type].push_back(draw_info);
+		pushBack((void**&) mRenderMap[type], mRenderMapAllocated[type], (void*) draw_info);
 	}
 	++mRenderMapSize[type];
-	mRenderMapEnd[type] = mRenderMap[type].begin() + mRenderMapSize[type];
+	mRenderMapEnd[type] = mRenderMap[type] + mRenderMapSize[type];
 }
 
 
diff --git a/indra/newview/llspatialpartition.h b/indra/newview/llspatialpartition.h
index d3cda2ff6a..e63037b4a8 100644
--- a/indra/newview/llspatialpartition.h
+++ b/indra/newview/llspatialpartition.h
@@ -345,10 +345,15 @@ public:
 
 	void dirtyGeom() { setState(GEOM_DIRTY); }
 	void dirtyMesh() { setState(MESH_DIRTY); }
+
+	//octree wrappers to make code more readable
 	element_list& getData() { return mOctreeNode->getData(); }
-	bool hasElement(LLDrawable* drawablep) { return mOctreeNode->getData().find(drawablep) != mOctreeNode->getData().end(); }
+	element_iter getDataBegin() { return mOctreeNode->getDataBegin(); }
+	element_iter getDataEnd() { return mOctreeNode->getDataEnd(); }
+	bool hasElement(LLDrawable* drawablep) { return std::find(mOctreeNode->getDataBegin(), mOctreeNode->getDataEnd(), drawablep) != mOctreeNode->getDataEnd(); }
 
 	U32 getElementCount() const { return mOctreeNode->getElementCount(); }
+	bool isEmpty() const { return mOctreeNode->isEmpty(); }
 
 	void drawObjectBox(LLColor4 col);
 
@@ -564,34 +569,39 @@ class LLCullResult
 public:
 	LLCullResult();
 
-	typedef std::vector<LLSpatialGroup*> sg_list_t;
-	typedef std::vector<LLDrawable*> drawable_list_t;
-	typedef std::vector<LLSpatialBridge*> bridge_list_t;
-	typedef std::vector<LLDrawInfo*> drawinfo_list_t;
+	typedef LLSpatialGroup** sg_list_t;
+	typedef LLDrawable** drawable_list_t;
+	typedef LLSpatialBridge** bridge_list_t;
+	typedef LLDrawInfo** drawinfo_list_t;
+
+	typedef LLSpatialGroup** sg_iterator;
+	typedef LLSpatialBridge** bridge_iterator;
+	typedef LLDrawInfo** drawinfo_iterator;
+	typedef LLDrawable** drawable_iterator;
 
 	void clear();
 	
-	sg_list_t::iterator beginVisibleGroups();
-	sg_list_t::iterator endVisibleGroups();
+	sg_iterator beginVisibleGroups();
+	sg_iterator endVisibleGroups();
 
-	sg_list_t::iterator beginAlphaGroups();
-	sg_list_t::iterator endAlphaGroups();
+	sg_iterator beginAlphaGroups();
+	sg_iterator endAlphaGroups();
 
 	bool hasOcclusionGroups() { return mOcclusionGroupsSize > 0; }
-	sg_list_t::iterator beginOcclusionGroups();
-	sg_list_t::iterator endOcclusionGroups();
+	sg_iterator beginOcclusionGroups();
+	sg_iterator endOcclusionGroups();
 
-	sg_list_t::iterator beginDrawableGroups();
-	sg_list_t::iterator endDrawableGroups();
+	sg_iterator beginDrawableGroups();
+	sg_iterator endDrawableGroups();
 
-	drawable_list_t::iterator beginVisibleList();
-	drawable_list_t::iterator endVisibleList();
+	drawable_iterator beginVisibleList();
+	drawable_iterator endVisibleList();
 
-	bridge_list_t::iterator beginVisibleBridge();
-	bridge_list_t::iterator endVisibleBridge();
+	bridge_iterator beginVisibleBridge();
+	bridge_iterator endVisibleBridge();
 
-	drawinfo_list_t::iterator beginRenderMap(U32 type);
-	drawinfo_list_t::iterator endRenderMap(U32 type);
+	drawinfo_iterator beginRenderMap(U32 type);
+	drawinfo_iterator endRenderMap(U32 type);
 
 	void pushVisibleGroup(LLSpatialGroup* group);
 	void pushAlphaGroup(LLSpatialGroup* group);
@@ -611,28 +621,41 @@ public:
 	void assertDrawMapsEmpty();
 
 private:
+
+	void pushBack(void** &head, U32& count, void* val);
+
 	U32					mVisibleGroupsSize;
 	U32					mAlphaGroupsSize;
 	U32					mOcclusionGroupsSize;
 	U32					mDrawableGroupsSize;
 	U32					mVisibleListSize;
 	U32					mVisibleBridgeSize;
+
+	U32					mVisibleGroupsAllocated;
+	U32					mAlphaGroupsAllocated;
+	U32					mOcclusionGroupsAllocated;
+	U32					mDrawableGroupsAllocated;
+	U32					mVisibleListAllocated;
+	U32					mVisibleBridgeAllocated;
+
 	U32					mRenderMapSize[LLRenderPass::NUM_RENDER_TYPES];
 
 	sg_list_t			mVisibleGroups;
-	sg_list_t::iterator mVisibleGroupsEnd;
+	sg_iterator			mVisibleGroupsEnd;
 	sg_list_t			mAlphaGroups;
-	sg_list_t::iterator mAlphaGroupsEnd;
+	sg_iterator			mAlphaGroupsEnd;
 	sg_list_t			mOcclusionGroups;
-	sg_list_t::iterator	mOcclusionGroupsEnd;
+	sg_iterator			mOcclusionGroupsEnd;
 	sg_list_t			mDrawableGroups;
-	sg_list_t::iterator mDrawableGroupsEnd;
+	sg_iterator			mDrawableGroupsEnd;
 	drawable_list_t		mVisibleList;
-	drawable_list_t::iterator mVisibleListEnd;
+	drawable_iterator	mVisibleListEnd;
 	bridge_list_t		mVisibleBridge;
-	bridge_list_t::iterator mVisibleBridgeEnd;
+	bridge_iterator		mVisibleBridgeEnd;
 	drawinfo_list_t		mRenderMap[LLRenderPass::NUM_RENDER_TYPES];
-	drawinfo_list_t::iterator mRenderMapEnd[LLRenderPass::NUM_RENDER_TYPES];
+	U32					mRenderMapAllocated[LLRenderPass::NUM_RENDER_TYPES];
+	drawinfo_iterator mRenderMapEnd[LLRenderPass::NUM_RENDER_TYPES];
+
 };
 
 
diff --git a/indra/newview/llsurface.cpp b/indra/newview/llsurface.cpp
index 65393cc168..f64a72a616 100644
--- a/indra/newview/llsurface.cpp
+++ b/indra/newview/llsurface.cpp
@@ -56,6 +56,7 @@
 #include "lldrawable.h"
 
 extern LLPipeline gPipeline;
+extern bool gShiftFrame;
 
 LLColor4U MAX_WATER_COLOR(0, 48, 96, 240);
 
@@ -294,7 +295,7 @@ void LLSurface::initTextures()
 		mWaterObjp = (LLVOWater *)gObjectList.createObjectViewer(LLViewerObject::LL_VO_WATER, mRegionp);
 		gPipeline.createObject(mWaterObjp);
 		LLVector3d water_pos_global = from_region_handle(mRegionp->getHandle());
-		water_pos_global += LLVector3d(128.0, 128.0, DEFAULT_WATER_HEIGHT);
+		water_pos_global += LLVector3d(128.0, 128.0, DEFAULT_WATER_HEIGHT);		// region doesn't have a valid water height yet
 		mWaterObjp->setPositionGlobal(water_pos_global);
 	}
 }
@@ -621,6 +622,11 @@ void LLSurface::moveZ(const S32 x, const S32 y, const F32 delta)
 
 void LLSurface::updatePatchVisibilities(LLAgent &agent) 
 {
+	if (gShiftFrame)
+	{
+		return;
+	}
+
 	LLVector3 pos_region = mRegionp->getPosRegionFromGlobal(gAgentCamera.getCameraPositionGlobal());
 
 	LLSurfacePatch *patchp;
diff --git a/indra/newview/llsurfacepatch.cpp b/indra/newview/llsurfacepatch.cpp
index 5077c2c7e1..a9ba2bce9c 100644
--- a/indra/newview/llsurfacepatch.cpp
+++ b/indra/newview/llsurfacepatch.cpp
@@ -43,6 +43,7 @@
 #include "lldrawpool.h"
 #include "noise.h"
 
+extern bool gShiftFrame;
 extern U64 gFrameTime;
 extern LLPipeline gPipeline;
 
@@ -218,7 +219,7 @@ void LLSurfacePatch::eval(const U32 x, const U32 y, const U32 stride, LLVector3
 	pos_agent.mV[VX] += x * mSurfacep->getMetersPerGrid();
 	pos_agent.mV[VY] += y * mSurfacep->getMetersPerGrid();
 	pos_agent.mV[VZ]  = *(mDataZ + point_offset);
-	*vertex     = pos_agent;
+	*vertex     = pos_agent-mVObjp->getRegion()->getOriginAgent();
 
 	LLVector3 rel_pos = pos_agent - mSurfacep->getOriginAgent();
 	LLVector3 tex_pos = rel_pos * (1.f/surface_stride);
@@ -366,10 +367,13 @@ void LLSurfacePatch::updateCameraDistanceRegion(const LLVector3 &pos_region)
 {
 	if (LLPipeline::sDynamicLOD)
 	{
-		LLVector3 dv = pos_region;
-		dv -= mCenterRegion;
-		mVisInfo.mDistance = llmax(0.f, (F32)(dv.magVec() - mRadius))/
-			llmax(LLVOSurfacePatch::sLODFactor, 0.1f);
+		if (!gShiftFrame)
+		{
+			LLVector3 dv = pos_region;
+			dv -= mCenterRegion;
+			mVisInfo.mDistance = llmax(0.f, (F32)(dv.magVec() - mRadius))/
+				llmax(LLVOSurfacePatch::sLODFactor, 0.1f);
+		}
 	}
 	else
 	{
diff --git a/indra/newview/lltexlayerparams.h b/indra/newview/lltexlayerparams.h
index 74c22b0cdf..fffe20208f 100644
--- a/indra/newview/lltexlayerparams.h
+++ b/indra/newview/lltexlayerparams.h
@@ -67,6 +67,16 @@ public:
 
 	/*virtual*/ LLViewerVisualParam* cloneParam(LLWearable* wearable = NULL) const;
 
+	void* operator new(size_t size)
+	{
+		return ll_aligned_malloc_16(size);
+	}
+
+	void operator delete(void* ptr)
+	{
+		ll_aligned_free_16(ptr);
+	}
+
 	// LLVisualParam Virtual functions
 	///*virtual*/ BOOL		parseData(LLXmlTreeNode* node);
 	/*virtual*/ void		apply( ESex avatar_sex ) {}
@@ -76,11 +86,11 @@ public:
 
 	// LLViewerVisualParam Virtual functions
 	/*virtual*/ F32					getTotalDistortion()									{ return 1.f; }
-	/*virtual*/ const LLVector3&	getAvgDistortion()										{ return mAvgDistortionVec; }
+	/*virtual*/ const LLVector4a&	getAvgDistortion()										{ return mAvgDistortionVec; }
 	/*virtual*/ F32					getMaxDistortion()										{ return 3.f; }
-	/*virtual*/ LLVector3			getVertexDistortion(S32 index, LLPolyMesh *poly_mesh)	{ return LLVector3(1.f, 1.f, 1.f);}
-	/*virtual*/ const LLVector3*	getFirstDistortion(U32 *index, LLPolyMesh **poly_mesh)	{ index = 0; poly_mesh = NULL; return &mAvgDistortionVec;};
-	/*virtual*/ const LLVector3*	getNextDistortion(U32 *index, LLPolyMesh **poly_mesh)	{ index = 0; poly_mesh = NULL; return NULL;};
+	/*virtual*/ LLVector4a			getVertexDistortion(S32 index, LLPolyMesh *poly_mesh)	{ return LLVector4a(1.f, 1.f, 1.f);}
+	/*virtual*/ const LLVector4a*	getFirstDistortion(U32 *index, LLPolyMesh **poly_mesh)	{ index = 0; poly_mesh = NULL; return &mAvgDistortionVec;};
+	/*virtual*/ const LLVector4a*	getNextDistortion(U32 *index, LLPolyMesh **poly_mesh)	{ index = 0; poly_mesh = NULL; return NULL;};
 
 	// New functions
 	BOOL					render( S32 x, S32 y, S32 width, S32 height );
@@ -94,7 +104,7 @@ private:
 	LLPointer<LLImageRaw>	mStaticImageRaw;
 	BOOL					mNeedsCreateTexture;
 	BOOL					mStaticImageInvalid;
-	LLVector3				mAvgDistortionVec;
+	LLVector4a				mAvgDistortionVec;
 	F32						mCachedEffectiveWeight;
 
 public:
@@ -143,6 +153,16 @@ public:
 	LLTexLayerParamColor( LLVOAvatar* avatar );
 	/* virtual */ ~LLTexLayerParamColor();
 
+	void* operator new(size_t size)
+	{
+		return ll_aligned_malloc_16(size);
+	}
+
+	void operator delete(void* ptr)
+	{
+		ll_aligned_free_16(ptr);
+	}
+
 	/*virtual*/ LLViewerVisualParam* cloneParam(LLWearable* wearable = NULL) const;
 
 	// LLVisualParam Virtual functions
@@ -155,18 +175,18 @@ public:
 
 	// LLViewerVisualParam Virtual functions
 	/*virtual*/ F32					getTotalDistortion()									{ return 1.f; }
-	/*virtual*/ const LLVector3&	getAvgDistortion()										{ return mAvgDistortionVec; }
+	/*virtual*/ const LLVector4a&	getAvgDistortion()										{ return mAvgDistortionVec; }
 	/*virtual*/ F32					getMaxDistortion()										{ return 3.f; }
-	/*virtual*/ LLVector3			getVertexDistortion(S32 index, LLPolyMesh *poly_mesh)	{ return LLVector3(1.f, 1.f, 1.f); }
-	/*virtual*/ const LLVector3*	getFirstDistortion(U32 *index, LLPolyMesh **poly_mesh)	{ index = 0; poly_mesh = NULL; return &mAvgDistortionVec;};
-	/*virtual*/ const LLVector3*	getNextDistortion(U32 *index, LLPolyMesh **poly_mesh)	{ index = 0; poly_mesh = NULL; return NULL;};
+	/*virtual*/ LLVector4a			getVertexDistortion(S32 index, LLPolyMesh *poly_mesh)	{ return LLVector4a(1.f, 1.f, 1.f); }
+	/*virtual*/ const LLVector4a*	getFirstDistortion(U32 *index, LLPolyMesh **poly_mesh)	{ index = 0; poly_mesh = NULL; return &mAvgDistortionVec;};
+	/*virtual*/ const LLVector4a*	getNextDistortion(U32 *index, LLPolyMesh **poly_mesh)	{ index = 0; poly_mesh = NULL; return NULL;};
 
 	// New functions
 	LLColor4				getNetColor() const;
 protected:
 	virtual void onGlobalColorChanged(bool upload_bake) {}
 private:
-	LLVector3				mAvgDistortionVec;
+	LLVector4a				mAvgDistortionVec;
 };
 
 class LLTexLayerParamColorInfo : public LLViewerVisualParamInfo
diff --git a/indra/newview/llviewerdisplay.cpp b/indra/newview/llviewerdisplay.cpp
index 9ef012ece1..d58ee05fb6 100644
--- a/indra/newview/llviewerdisplay.cpp
+++ b/indra/newview/llviewerdisplay.cpp
@@ -79,6 +79,7 @@
 #include "llpostprocess.h"
 
 extern LLPointer<LLViewerTexture> gStartTexture;
+extern bool gShiftFrame;
 
 LLPointer<LLViewerTexture> gDisconnectedImagep = NULL;
 
@@ -162,8 +163,11 @@ void display_startup()
 	glClear(GL_DEPTH_BUFFER_BIT);
 }
 
+static LLFastTimer::DeclareTimer FTM_UPDATE_CAMERA("Update Camera");
+
 void display_update_camera()
 {
+	LLFastTimer t(FTM_UPDATE_CAMERA);
 	LLMemType mt_uc(LLMemType::MTYPE_DISPLAY_UPDATE_CAMERA);
 	// TODO: cut draw distance down if customizing avatar?
 	// TODO: cut draw distance on per-parcel basis?
@@ -217,6 +221,11 @@ static LLFastTimer::DeclareTimer FTM_IMAGE_UPDATE_CLASS("Class");
 static LLFastTimer::DeclareTimer FTM_IMAGE_UPDATE_BUMP("Bump");
 static LLFastTimer::DeclareTimer FTM_IMAGE_UPDATE_LIST("List");
 static LLFastTimer::DeclareTimer FTM_IMAGE_UPDATE_DELETE("Delete");
+static LLFastTimer::DeclareTimer FTM_RESIZE_WINDOW("Resize Window");
+static LLFastTimer::DeclareTimer FTM_HUD_UPDATE("HUD Update");
+static LLFastTimer::DeclareTimer FTM_DISPLAY_UPDATE_GEOM("Update Geom");
+static LLFastTimer::DeclareTimer FTM_TEXTURE_UNBIND("Texture Unbind");
+static LLFastTimer::DeclareTimer FTM_TELEPORT_DISPLAY("Teleport Display");
 
 // Paint the display!
 void display(BOOL rebuild, F32 zoom_factor, int subfield, BOOL for_snapshot)
@@ -226,6 +235,7 @@ void display(BOOL rebuild, F32 zoom_factor, int subfield, BOOL for_snapshot)
 
 	if (gWindowResized)
 	{ //skip render on frames where window has been resized
+		LLFastTimer t(FTM_RESIZE_WINDOW);
 		gGL.flush();
 		glClear(GL_COLOR_BUFFER_BIT);
 		gViewerWindow->getWindow()->swapBuffers();
@@ -362,6 +372,7 @@ void display(BOOL rebuild, F32 zoom_factor, int subfield, BOOL for_snapshot)
 
 	if (gTeleportDisplay)
 	{
+		LLFastTimer t(FTM_TELEPORT_DISPLAY);
 		LLAppViewer::instance()->pingMainloopTimeout("Display:Teleport");
 		const F32 TELEPORT_ARRIVAL_DELAY = 2.f; // Time to preload the world before raising the curtain after we've actually already arrived.
 
@@ -591,6 +602,7 @@ void display(BOOL rebuild, F32 zoom_factor, int subfield, BOOL for_snapshot)
 				
 		// *TODO: merge these two methods
 		{
+			LLFastTimer t(FTM_HUD_UPDATE);
 			LLMemType mt_uh(LLMemType::MTYPE_DISPLAY_UPDATE_HUD);
 			LLHUDManager::getInstance()->updateEffects();
 			LLHUDObject::updateAll();
@@ -598,6 +610,7 @@ void display(BOOL rebuild, F32 zoom_factor, int subfield, BOOL for_snapshot)
 		}
 
 		{
+			LLFastTimer t(FTM_DISPLAY_UPDATE_GEOM);
 			LLMemType mt_ug(LLMemType::MTYPE_DISPLAY_UPDATE_GEOM);
 			const F32 max_geom_update_time = 0.005f*10.f*gFrameIntervalSeconds; // 50 ms/second update time
 			gPipeline.createObjects(max_geom_update_time);
@@ -607,6 +620,7 @@ void display(BOOL rebuild, F32 zoom_factor, int subfield, BOOL for_snapshot)
 		}
 
 		gPipeline.updateGL();
+		
 		stop_glerror();
 
 		S32 water_clip = 0;
@@ -938,14 +952,18 @@ void display(BOOL rebuild, F32 zoom_factor, int subfield, BOOL for_snapshot)
 			stop_glerror();
 		}
 
-		for (U32 i = 0; i < gGLManager.mNumTextureImageUnits; i++)
-		{ //dummy cleanup of any currently bound textures
-			if (gGL.getTexUnit(i)->getCurrType() != LLTexUnit::TT_NONE)
-			{
-				gGL.getTexUnit(i)->unbind(gGL.getTexUnit(i)->getCurrType());
-				gGL.getTexUnit(i)->disable();
+		{
+			LLFastTimer t(FTM_TEXTURE_UNBIND);
+			for (U32 i = 0; i < gGLManager.mNumTextureImageUnits; i++)
+			{ //dummy cleanup of any currently bound textures
+				if (gGL.getTexUnit(i)->getCurrType() != LLTexUnit::TT_NONE)
+				{
+					gGL.getTexUnit(i)->unbind(gGL.getTexUnit(i)->getCurrType());
+					gGL.getTexUnit(i)->disable();
+				}
 			}
 		}
+
 		LLAppViewer::instance()->pingMainloopTimeout("Display:RenderFlush");		
 		
 		if (to_texture)
@@ -1011,6 +1029,8 @@ void display(BOOL rebuild, F32 zoom_factor, int subfield, BOOL for_snapshot)
 	display_stats();
 				
 	LLAppViewer::instance()->pingMainloopTimeout("Display:Done");
+
+	gShiftFrame = false;
 }
 
 void render_hud_attachments()
diff --git a/indra/newview/llviewermessage.cpp b/indra/newview/llviewermessage.cpp
index 04c7a87374..b048332e59 100755
--- a/indra/newview/llviewermessage.cpp
+++ b/indra/newview/llviewermessage.cpp
@@ -134,6 +134,7 @@ static const U32 LLREQUEST_PERMISSION_THROTTLE_LIMIT	= 5;     // requests
 static const F32 LLREQUEST_PERMISSION_THROTTLE_INTERVAL	= 10.0f; // seconds
 
 extern BOOL gDebugClicks;
+extern bool gShiftFrame;
 
 // function prototypes
 bool check_offer_throttle(const std::string& from_name, bool check_only);
@@ -3930,6 +3931,7 @@ void process_avatar_init_complete(LLMessageSystem* msg, void**)
 
 void process_agent_movement_complete(LLMessageSystem* msg, void**)
 {
+	gShiftFrame = true;
 	gAgentMovementCompleted = true;
 
 	LLUUID agent_id;
diff --git a/indra/newview/llviewerobject.cpp b/indra/newview/llviewerobject.cpp
index 97783d843e..1447f133e6 100644
--- a/indra/newview/llviewerobject.cpp
+++ b/indra/newview/llviewerobject.cpp
@@ -199,6 +199,7 @@ LLViewerObject::LLViewerObject(const LLUUID &id, const LLPCode pcode, LLViewerRe
 	mID(id),
 	mLocalID(0),
 	mTotalCRC(0),
+	mListIndex(-1),
 	mTEImages(NULL),
 	mGLName(0),
 	mbCanSelect(TRUE),
@@ -2190,8 +2191,8 @@ BOOL LLViewerObject::isActive() const
 
 BOOL LLViewerObject::idleUpdate(LLAgent &agent, LLWorld &world, const F64 &time)
 {
-	static LLFastTimer::DeclareTimer ftm("Viewer Object");
-	LLFastTimer t(ftm);
+	//static LLFastTimer::DeclareTimer ftm("Viewer Object");
+	//LLFastTimer t(ftm);
 
 	if (mDead)
 	{
@@ -4811,9 +4812,11 @@ void LLViewerObject::deleteParticleSource()
 // virtual
 void LLViewerObject::updateDrawable(BOOL force_damped)
 {
-	if (mDrawable.notNull() && 
-		!mDrawable->isState(LLDrawable::ON_MOVE_LIST) &&
-		isChanged(MOVED))
+	if (!isChanged(MOVED))
+	{ //most common case, having an empty if case here makes for better branch prediction
+	}
+	else if (mDrawable.notNull() && 
+		!mDrawable->isState(LLDrawable::ON_MOVE_LIST))
 	{
 		BOOL damped_motion = 
 			!isChanged(SHIFTED) &&										// not shifted between regions this frame and...
diff --git a/indra/newview/llviewerobject.h b/indra/newview/llviewerobject.h
index fbf6361ffb..6f5f7aae42 100644
--- a/indra/newview/llviewerobject.h
+++ b/indra/newview/llviewerobject.h
@@ -232,6 +232,8 @@ public:
 	const LLUUID &getID() const						{ return mID; }
 	U32 getLocalID() const							{ return mLocalID; }
 	U32 getCRC() const								{ return mTotalCRC; }
+	S32 getListIndex() const						{ return mListIndex; }
+	void setListIndex(S32 idx)						{ mListIndex = idx; }
 
 	virtual BOOL isFlexible() const					{ return FALSE; }
 	virtual BOOL isSculpted() const 				{ return FALSE; }
@@ -606,6 +608,9 @@ public:
 	// Last total CRC received from sim, used for caching
 	U32				mTotalCRC;
 
+	// index into LLViewerObjectList::mActiveObjects or -1 if not in list
+	S32				mListIndex;
+
 	LLPointer<LLViewerTexture> *mTEImages;
 
 	// Selection, picking and rendering variables
diff --git a/indra/newview/llviewerobjectlist.cpp b/indra/newview/llviewerobjectlist.cpp
index 28298cedf9..ea20950b36 100644
--- a/indra/newview/llviewerobjectlist.cpp
+++ b/indra/newview/llviewerobjectlist.cpp
@@ -914,21 +914,30 @@ void LLViewerObjectList::update(LLAgent &agent, LLWorld &world)
 	LLViewerObject *objectp = NULL;	
 	
 	// Make a copy of the list in case something in idleUpdate() messes with it
-	std::vector<LLViewerObject*> idle_list;
-	
+	static std::vector<LLViewerObject*> idle_list;
+
+	U32 idle_count = 0;
+		
 	static LLFastTimer::DeclareTimer idle_copy("Idle Copy");
 
 	{
 		LLFastTimer t(idle_copy);
-		idle_list.reserve( mActiveObjects.size() );
-
- 		for (std::set<LLPointer<LLViewerObject> >::iterator active_iter = mActiveObjects.begin();
+		
+ 		for (std::vector<LLPointer<LLViewerObject> >::iterator active_iter = mActiveObjects.begin();
 			active_iter != mActiveObjects.end(); active_iter++)
 		{
 			objectp = *active_iter;
 			if (objectp)
 			{
-				idle_list.push_back( objectp );
+				if (idle_count >= idle_list.size())
+				{
+					idle_list.push_back( objectp );
+				}
+				else
+				{
+					idle_list[idle_count] = objectp;
+				}
+				++idle_count;
 			}
 			else
 			{	// There shouldn't be any NULL pointers in the list, but they have caused
@@ -938,10 +947,13 @@ void LLViewerObjectList::update(LLAgent &agent, LLWorld &world)
 		}
 	}
 
+	std::vector<LLViewerObject*>::iterator idle_end = idle_list.begin()+idle_count;
+
 	if (gSavedSettings.getBOOL("FreezeTime"))
 	{
+		
 		for (std::vector<LLViewerObject*>::iterator iter = idle_list.begin();
-			iter != idle_list.end(); iter++)
+			iter != idle_end; iter++)
 		{
 			objectp = *iter;
 			if (objectp->isAvatar())
@@ -953,17 +965,17 @@ void LLViewerObjectList::update(LLAgent &agent, LLWorld &world)
 	else
 	{
 		for (std::vector<LLViewerObject*>::iterator idle_iter = idle_list.begin();
-			idle_iter != idle_list.end(); idle_iter++)
+			idle_iter != idle_end; idle_iter++)
 		{
 			objectp = *idle_iter;
-			if (!objectp->idleUpdate(agent, world, frame_time))
+			if (objectp->idleUpdate(agent, world, frame_time))
 			{
-				//  If Idle Update returns false, kill object!
-				kill_list.push_back(objectp);
+				num_active_objects++;				
 			}
 			else
 			{
-				num_active_objects++;
+				//  If Idle Update returns false, kill object!
+				kill_list.push_back(objectp);
 			}
 		}
 		for (std::vector<LLViewerObject*>::iterator kill_iter = kill_list.begin();
@@ -1201,7 +1213,7 @@ void LLViewerObjectList::cleanupReferences(LLViewerObject *objectp)
 	{
 		//llinfos << "Removing " << objectp->mID << " " << objectp->getPCodeString() << " from active list in cleanupReferences." << llendl;
 		objectp->setOnActiveList(FALSE);
-		mActiveObjects.erase(objectp);
+		removeFromActiveList(objectp);
 	}
 
 	if (objectp->isOnMap())
@@ -1378,6 +1390,26 @@ void LLViewerObjectList::cleanDeadObjects(BOOL use_timer)
 	mNumDeadObjects = 0;
 }
 
+void LLViewerObjectList::removeFromActiveList(LLViewerObject* objectp)
+{
+	S32 idx = objectp->getListIndex();
+	if (idx != -1)
+	{ //remove by moving last element to this object's position
+		llassert(mActiveObjects[idx] == objectp);
+		
+		objectp->setListIndex(-1);
+
+		S32 last_index = mActiveObjects.size()-1;
+
+		if (idx != last_index)
+		{
+			mActiveObjects[idx] = mActiveObjects[last_index];
+			mActiveObjects[idx]->setListIndex(idx);
+			mActiveObjects.pop_back();
+		}
+	}
+}
+
 void LLViewerObjectList::updateActive(LLViewerObject *objectp)
 {
 	LLMemType mt(LLMemType::MTYPE_OBJECT);
@@ -1392,13 +1424,29 @@ void LLViewerObjectList::updateActive(LLViewerObject *objectp)
 		if (active)
 		{
 			//llinfos << "Adding " << objectp->mID << " " << objectp->getPCodeString() << " to active list." << llendl;
-			mActiveObjects.insert(objectp);
-			objectp->setOnActiveList(TRUE);
+			S32 idx = objectp->getListIndex();
+			if (idx <= -1)
+			{
+				mActiveObjects.push_back(objectp);
+				objectp->setListIndex(mActiveObjects.size()-1);
+				objectp->setOnActiveList(TRUE);
+			}
+			else
+			{
+				llassert(idx < mActiveObjects.size());
+				llassert(mActiveObjects[idx] == objectp);
+
+				if (idx >= mActiveObjects.size() ||
+					mActiveObjects[idx] != objectp)
+				{
+					llwarns << "Invalid object list index detected!" << llendl;
+				}
+			}
 		}
 		else
 		{
 			//llinfos << "Removing " << objectp->mID << " " << objectp->getPCodeString() << " from active list." << llendl;
-			mActiveObjects.erase(objectp);
+			removeFromActiveList(objectp);
 			objectp->setOnActiveList(FALSE);
 		}
 	}
@@ -1472,6 +1520,10 @@ void LLViewerObjectList::onPhysicsFlagsFetchFailure(const LLUUID& object_id)
 	mPendingPhysicsFlags.erase(object_id);
 }
 
+static LLFastTimer::DeclareTimer FTM_SHIFT_OBJECTS("Shift Objects");
+static LLFastTimer::DeclareTimer FTM_PIPELINE_SHIFT("Pipeline Shift");
+static LLFastTimer::DeclareTimer FTM_REGION_SHIFT("Region Shift");
+
 void LLViewerObjectList::shiftObjects(const LLVector3 &offset)
 {
 	// This is called when we shift our origin when we cross region boundaries...
@@ -1483,6 +1535,8 @@ void LLViewerObjectList::shiftObjects(const LLVector3 &offset)
 		return;
 	}
 
+	LLFastTimer t(FTM_SHIFT_OBJECTS);
+
 	LLViewerObject *objectp;
 	for (vobj_list_t::iterator iter = mObjects.begin(); iter != mObjects.end(); ++iter)
 	{
@@ -1499,8 +1553,15 @@ void LLViewerObjectList::shiftObjects(const LLVector3 &offset)
 		}
 	}
 
-	gPipeline.shiftObjects(offset);
-	LLWorld::getInstance()->shiftRegions(offset);
+	{
+		LLFastTimer t(FTM_PIPELINE_SHIFT);
+		gPipeline.shiftObjects(offset);
+	}
+
+	{
+		LLFastTimer t(FTM_REGION_SHIFT);
+		LLWorld::getInstance()->shiftRegions(offset);
+	}
 }
 
 void LLViewerObjectList::repartitionObjects()
diff --git a/indra/newview/llviewerobjectlist.h b/indra/newview/llviewerobjectlist.h
index 64925f46ae..9936432a71 100644
--- a/indra/newview/llviewerobjectlist.h
+++ b/indra/newview/llviewerobjectlist.h
@@ -118,7 +118,9 @@ public:
 
 	void dirtyAllObjectInventory();
 
+	void removeFromActiveList(LLViewerObject* objectp);
 	void updateActive(LLViewerObject *objectp);
+	
 	void updateAvatarVisibility();
 
 	// Selection related stuff
@@ -197,7 +199,7 @@ protected:
 	typedef std::vector<LLPointer<LLViewerObject> > vobj_list_t;
 
 	vobj_list_t mObjects;
-	std::set<LLPointer<LLViewerObject> > mActiveObjects;
+	std::vector<LLPointer<LLViewerObject> > mActiveObjects;
 
 	vobj_list_t mMapObjects;
 
diff --git a/indra/newview/llviewerregion.cpp b/indra/newview/llviewerregion.cpp
index 1ef729e2ff..47a99d7ea4 100644
--- a/indra/newview/llviewerregion.cpp
+++ b/indra/newview/llviewerregion.cpp
@@ -1486,7 +1486,8 @@ void LLViewerRegion::unpackRegionHandshake()
 		// all of our terrain stuff, by
 		if (compp->getParamsReady())
 		{
-			getLand().dirtyAllPatches();
+			//this line creates frame stalls on region crossing and removing it appears to have no effect
+			//getLand().dirtyAllPatches();
 		}
 		else
 		{
diff --git a/indra/newview/llviewervisualparam.h b/indra/newview/llviewervisualparam.h
index dd7751acd7..3bc95cbfbf 100644
--- a/indra/newview/llviewervisualparam.h
+++ b/indra/newview/llviewervisualparam.h
@@ -83,11 +83,11 @@ public:
 
 	// New Virtual functions
 	virtual F32					getTotalDistortion() = 0;
-	virtual const LLVector3&	getAvgDistortion() = 0;
+	virtual const LLVector4a&	getAvgDistortion() = 0;
 	virtual F32					getMaxDistortion() = 0;
-	virtual LLVector3			getVertexDistortion(S32 index, LLPolyMesh *mesh) = 0;
-	virtual const LLVector3*	getFirstDistortion(U32 *index, LLPolyMesh **mesh) = 0;
-	virtual const LLVector3*	getNextDistortion(U32 *index, LLPolyMesh **mesh) = 0;
+	virtual LLVector4a			getVertexDistortion(S32 index, LLPolyMesh *mesh) = 0;
+	virtual const LLVector4a*	getFirstDistortion(U32 *index, LLPolyMesh **mesh) = 0;
+	virtual const LLVector4a*	getNextDistortion(U32 *index, LLPolyMesh **mesh) = 0;
 	
 	// interface methods
 	F32					getDisplayOrder() const		{ return getInfo()->mEditGroupDisplayOrder; }
diff --git a/indra/newview/llviewerwindow.cpp b/indra/newview/llviewerwindow.cpp
index 30bb787fa7..af2eec9ba8 100644
--- a/indra/newview/llviewerwindow.cpp
+++ b/indra/newview/llviewerwindow.cpp
@@ -4768,8 +4768,11 @@ void LLViewerWindow::requestResolutionUpdate()
 	mResDirty = true;
 }
 
+static LLFastTimer::DeclareTimer FTM_WINDOW_CHECK_SETTINGS("Window Settings");
+
 void LLViewerWindow::checkSettings()
 {
+	LLFastTimer t(FTM_WINDOW_CHECK_SETTINGS);
 	if (mStatesDirty)
 	{
 		gGL.refreshState();
diff --git a/indra/newview/llvoavatar.cpp b/indra/newview/llvoavatar.cpp
index 1b7009a5c2..05febdf93b 100644
--- a/indra/newview/llvoavatar.cpp
+++ b/indra/newview/llvoavatar.cpp
@@ -817,6 +817,7 @@ LLVOAvatar::~LLVOAvatar()
 	lldebugs << "LLVOAvatar Destructor (0x" << this << ") id:" << mID << llendl;
 
 	mRoot.removeAllChildren();
+	mJointMap.clear();
 
 	deleteAndClearArray(mSkeleton);
 	deleteAndClearArray(mCollisionVolumes);
@@ -1459,8 +1460,6 @@ void LLVOAvatar::onShift(const LLVector4a& shift_vector)
 	const LLVector3& shift = reinterpret_cast<const LLVector3&>(shift_vector);
 	mLastAnimExtents[0] += shift;
 	mLastAnimExtents[1] += shift;
-	mNeedsImpostorUpdate = TRUE;
-	mNeedsAnimUpdate = TRUE;
 }
 
 void LLVOAvatar::updateSpatialExtents(LLVector4a& newMin, LLVector4a &newMax)
@@ -1934,6 +1933,7 @@ void LLVOAvatar::buildCharacter()
 	// remove all of mRoot's children
 	//-------------------------------------------------------------------------
 	mRoot.removeAllChildren();
+	mJointMap.clear();
 	mIsBuilt = FALSE;
 
 	//-------------------------------------------------------------------------
@@ -2390,7 +2390,7 @@ S32 LLVOAvatar::setTETexture(const U8 te, const LLUUID& uuid)
 	}
 }
 
-static LLFastTimer::DeclareTimer FTM_AVATAR_UPDATE("Update Avatar");
+static LLFastTimer::DeclareTimer FTM_AVATAR_UPDATE("Avatar Update");
 static LLFastTimer::DeclareTimer FTM_JOINT_UPDATE("Update Joints");
 
 //------------------------------------------------------------------------
@@ -5137,7 +5137,20 @@ const LLUUID& LLVOAvatar::getID() const
 // RN: avatar joints are multi-rooted to include screen-based attachments
 LLJoint *LLVOAvatar::getJoint( const std::string &name )
 {
-	LLJoint* jointp = mRoot.findJoint(name);
+	joint_map_t::iterator iter = mJointMap.find(name);
+
+	LLJoint* jointp = NULL;
+
+	if (iter == mJointMap.end() || iter->second == NULL)
+	{ //search for joint and cache found joint in lookup table
+		jointp = mRoot.findJoint(name);
+		mJointMap[name] = jointp;
+	}
+	else
+	{ //return cached pointer
+		jointp = iter->second;
+	}
+
 	return jointp;
 }
 
diff --git a/indra/newview/llvoavatar.h b/indra/newview/llvoavatar.h
index 4081a1408d..f5692bb52f 100644
--- a/indra/newview/llvoavatar.h
+++ b/indra/newview/llvoavatar.h
@@ -366,6 +366,10 @@ public:
 
 	LLVector3			mHeadOffset; // current head position
 	LLViewerJoint		mRoot;
+
+	typedef std::map<std::string, LLJoint*> joint_map_t;
+	joint_map_t			mJointMap;
+
 protected:
 	static BOOL			parseSkeletonFile(const std::string& filename);
 	void				buildCharacter();
diff --git a/indra/newview/llvograss.cpp b/indra/newview/llvograss.cpp
index 44968342bf..5ad9ccc9af 100644
--- a/indra/newview/llvograss.cpp
+++ b/indra/newview/llvograss.cpp
@@ -622,7 +622,7 @@ void LLGrassPartition::addGeometryCount(LLSpatialGroup* group, U32& vertex_count
 	mFaceList.clear();
 
 	LLViewerCamera* camera = LLViewerCamera::getInstance();
-	for (LLSpatialGroup::element_iter i = group->getData().begin(); i != group->getData().end(); ++i)
+	for (LLSpatialGroup::element_iter i = group->getDataBegin(); i != group->getDataEnd(); ++i)
 	{
 		LLDrawable* drawablep = *i;
 		
diff --git a/indra/newview/llvopartgroup.cpp b/indra/newview/llvopartgroup.cpp
index e21358b65a..9cce68fff6 100644
--- a/indra/newview/llvopartgroup.cpp
+++ b/indra/newview/llvopartgroup.cpp
@@ -52,8 +52,7 @@ LLPointer<LLVertexBuffer> LLVOPartGroup::sVB = NULL;
 S32 LLVOPartGroup::sVBSlotFree[];
 S32* LLVOPartGroup::sVBSlotCursor = NULL;
 
-//static
-void LLVOPartGroup::restoreGL()
+void LLVOPartGroup::initClass()
 {
 	for (S32 i = 0; i < LL_MAX_PARTICLE_COUNT; ++i)
 	{
@@ -61,7 +60,11 @@ void LLVOPartGroup::restoreGL()
 	}
 
 	sVBSlotCursor = sVBSlotFree;
+}
 
+//static
+void LLVOPartGroup::restoreGL()
+{
 	sVB = new LLVertexBuffer(VERTEX_DATA_MASK, GL_STREAM_DRAW_ARB);
 	U32 count = LL_MAX_PARTICLE_COUNT;
 	sVB->allocateBuffer(count*4, count*6, true);
@@ -554,7 +557,7 @@ void LLParticlePartition::addGeometryCount(LLSpatialGroup* group, U32& vertex_co
 	mFaceList.clear();
 
 	LLViewerCamera* camera = LLViewerCamera::getInstance();
-	for (LLSpatialGroup::element_iter i = group->getData().begin(); i != group->getData().end(); ++i)
+	for (LLSpatialGroup::element_iter i = group->getDataBegin(); i != group->getDataEnd(); ++i)
 	{
 		LLDrawable* drawablep = *i;
 		
@@ -626,7 +629,7 @@ void LLParticlePartition::getGeometry(LLSpatialGroup* group)
 		LLFace* facep = *i;
 		LLAlphaObject* object = (LLAlphaObject*) facep->getViewerObject();
 
-		if (facep->getIndicesStart() == 0xFFFFFFFF)
+		if (!facep->isState(LLFace::PARTICLE))
 		{ //set the indices of this face
 			S32 idx = LLVOPartGroup::findAvailableVBSlot();
 			if (idx >= 0)
@@ -635,6 +638,7 @@ void LLParticlePartition::getGeometry(LLSpatialGroup* group)
 				facep->setIndicesIndex(idx*6);
 				facep->setVertexBuffer(LLVOPartGroup::sVB);
 				facep->setPoolType(LLDrawPool::POOL_ALPHA);
+				facep->setState(LLFace::PARTICLE);
 			}
 			else
 			{
diff --git a/indra/newview/llvopartgroup.h b/indra/newview/llvopartgroup.h
index 6160bceb24..43b2844f07 100644
--- a/indra/newview/llvopartgroup.h
+++ b/indra/newview/llvopartgroup.h
@@ -45,6 +45,7 @@ public:
 	static S32 sVBSlotFree[LL_MAX_PARTICLE_COUNT];
 	static S32* sVBSlotCursor;
 
+	static void initClass();
 	static void restoreGL();
 	static void destroyGL();
 	static S32 findAvailableVBSlot();
diff --git a/indra/newview/llvotree.cpp b/indra/newview/llvotree.cpp
index 3556bde9a8..337ddfb24d 100644
--- a/indra/newview/llvotree.cpp
+++ b/indra/newview/llvotree.cpp
@@ -374,7 +374,7 @@ BOOL LLVOTree::idleUpdate(LLAgent &agent, LLWorld &world, const F64 &time)
 		// *TODO: I don't know what's so special about trees
 		// that they don't get REBUILD_POSITION automatically
 		// at a higher level.
-		const LLVector3 &this_position = getPositionAgent();
+		const LLVector3 &this_position = getPositionRegion();
 		if (this_position != mLastPosition)
 		{
 			gPipeline.markRebuild(mDrawable, LLDrawable::REBUILD_POSITION);
@@ -843,10 +843,10 @@ void LLVOTree::updateMesh()
 	LLMatrix4 matrix;
 	
 	// Translate to tree base  HACK - adjustment in Z plants tree underground
-	const LLVector3 &pos_agent = getPositionAgent();
+	const LLVector3 &pos_region = getPositionRegion();
 	//gGL.translatef(pos_agent.mV[VX], pos_agent.mV[VY], pos_agent.mV[VZ] - 0.1f);
 	LLMatrix4 trans_mat;
-	trans_mat.setTranslation(pos_agent.mV[VX], pos_agent.mV[VY], pos_agent.mV[VZ] - 0.1f);
+	trans_mat.setTranslation(pos_region.mV[VX], pos_region.mV[VY], pos_region.mV[VZ] - 0.1f);
 	trans_mat *= matrix;
 	
 	// Rotate to tree position and bend for current trunk/wind
diff --git a/indra/newview/llvovolume.cpp b/indra/newview/llvovolume.cpp
index 0abe73d55e..0a5c8b5139 100644
--- a/indra/newview/llvovolume.cpp
+++ b/indra/newview/llvovolume.cpp
@@ -639,8 +639,8 @@ BOOL LLVOVolume::idleUpdate(LLAgent &agent, LLWorld &world, const F64 &time)
 {
 	LLViewerObject::idleUpdate(agent, world, time);
 
-	static LLFastTimer::DeclareTimer ftm("Volume Idle");
-	LLFastTimer t(ftm);
+	//static LLFastTimer::DeclareTimer ftm("Volume Idle");
+	//LLFastTimer t(ftm);
 
 	if (mDead || mDrawable.isNull())
 	{
@@ -4251,7 +4251,7 @@ void LLVolumeGeometryManager::rebuildGeom(LLSpatialGroup* group)
 		LLFastTimer t(FTM_REBUILD_VOLUME_FACE_LIST);
 
 		//get all the faces into a list
-		for (LLSpatialGroup::element_iter drawable_iter = group->getData().begin(); drawable_iter != group->getData().end(); ++drawable_iter)
+		for (LLSpatialGroup::element_iter drawable_iter = group->getDataBegin(); drawable_iter != group->getDataEnd(); ++drawable_iter)
 		{
 			LLDrawable* drawablep = *drawable_iter;
 		
@@ -4657,7 +4657,7 @@ void LLVolumeGeometryManager::rebuildGeom(LLSpatialGroup* group)
 	if (!LLPipeline::sDelayVBUpdate)
 	{
 		//drawables have been rebuilt, clear rebuild status
-		for (LLSpatialGroup::element_iter drawable_iter = group->getData().begin(); drawable_iter != group->getData().end(); ++drawable_iter)
+		for (LLSpatialGroup::element_iter drawable_iter = group->getDataBegin(); drawable_iter != group->getDataEnd(); ++drawable_iter)
 		{
 			LLDrawable* drawablep = *drawable_iter;
 			drawablep->clearState(LLDrawable::REBUILD_ALL);
@@ -4697,7 +4697,7 @@ void LLVolumeGeometryManager::rebuildMesh(LLSpatialGroup* group)
 		
 		std::set<LLVertexBuffer*> mapped_buffers;
 
-		for (LLSpatialGroup::element_iter drawable_iter = group->getData().begin(); drawable_iter != group->getData().end(); ++drawable_iter)
+		for (LLSpatialGroup::element_iter drawable_iter = group->getDataBegin(); drawable_iter != group->getDataEnd(); ++drawable_iter)
 		{
 			LLDrawable* drawablep = *drawable_iter;
 
@@ -4721,8 +4721,14 @@ void LLVolumeGeometryManager::rebuildMesh(LLSpatialGroup* group)
 						if (buff)
 						{
 							llassert(!face->isState(LLFace::RIGGED));
-							face->getGeometryVolume(*volume, face->getTEOffset(), 
-								vobj->getRelativeXform(), vobj->getRelativeXformInvTrans(), face->getGeomIndex());
+
+							if (!face->getGeometryVolume(*volume, face->getTEOffset(), 
+								vobj->getRelativeXform(), vobj->getRelativeXformInvTrans(), face->getGeomIndex()))
+							{ //something's gone wrong with the vertex buffer accounting, rebuild this group 
+								group->dirtyGeom();
+								gPipeline.markRebuild(group, TRUE);
+							}
+
 
 							if (buff->isLocked())
 							{
@@ -4759,7 +4765,7 @@ void LLVolumeGeometryManager::rebuildMesh(LLSpatialGroup* group)
 		if(num_mapped_veretx_buffer != LLVertexBuffer::sMappedCount) 
 		{
 			llwarns << "Not all mapped vertex buffers are unmapped!" << llendl ; 
-			for (LLSpatialGroup::element_iter drawable_iter = group->getData().begin(); drawable_iter != group->getData().end(); ++drawable_iter)
+			for (LLSpatialGroup::element_iter drawable_iter = group->getDataBegin(); drawable_iter != group->getDataEnd(); ++drawable_iter)
 			{
 				LLDrawable* drawablep = *drawable_iter;
 				for (S32 i = 0; i < drawablep->getNumFaces(); ++i)
@@ -5056,8 +5062,11 @@ void LLVolumeGeometryManager::genDrawInfo(LLSpatialGroup* group, U32 mask, std::
 
 					llassert(!facep->isState(LLFace::RIGGED));
 
-					facep->getGeometryVolume(*volume, te_idx, 
-						vobj->getRelativeXform(), vobj->getRelativeXformInvTrans(), index_offset,true);
+					if (!facep->getGeometryVolume(*volume, te_idx, 
+						vobj->getRelativeXform(), vobj->getRelativeXformInvTrans(), index_offset,true))
+					{
+						llwarns << "Failed to get geometry for face!" << llendl;
+					}
 
 					if (drawablep->isState(LLDrawable::ANIMATED_CHILD))
 					{
@@ -5227,7 +5236,7 @@ void LLGeometryManager::addGeometryCount(LLSpatialGroup* group, U32 &vertex_coun
 
 	//for each drawable
 
-	for (LLSpatialGroup::element_iter drawable_iter = group->getData().begin(); drawable_iter != group->getData().end(); ++drawable_iter)
+	for (LLSpatialGroup::element_iter drawable_iter = group->getDataBegin(); drawable_iter != group->getDataEnd(); ++drawable_iter)
 	{
 		LLDrawable* drawablep = *drawable_iter;
 		
diff --git a/indra/newview/llvovolume.h b/indra/newview/llvovolume.h
index 25fe085421..798927a45f 100644
--- a/indra/newview/llvovolume.h
+++ b/indra/newview/llvovolume.h
@@ -68,7 +68,7 @@ class LLVolumeInterface
 public:
 	virtual ~LLVolumeInterface() { }
 	virtual LLVolumeInterfaceType getInterfaceType() const = 0;
-	virtual BOOL doIdleUpdate(LLAgent &agent, LLWorld &world, const F64 &time) = 0;
+	virtual void doIdleUpdate(LLAgent &agent, LLWorld &world, const F64 &time) = 0;
 	virtual BOOL doUpdateGeometry(LLDrawable *drawable) = 0;
 	virtual LLVector3 getPivotPosition() const = 0;
 	virtual void onSetVolume(const LLVolumeParams &volume_params, const S32 detail) = 0;
diff --git a/indra/newview/llworld.cpp b/indra/newview/llworld.cpp
index b061c90d98..78ee3e4fd9 100644
--- a/indra/newview/llworld.cpp
+++ b/indra/newview/llworld.cpp
@@ -657,7 +657,10 @@ void LLWorld::updateRegions(F32 max_update_time)
 		if (did_one && max_time <= 0.f)
 			break;
 		max_time = llmin(max_time, max_update_time*.1f);
-		did_one |= regionp->idleUpdate(max_update_time);
+		if (regionp->idleUpdate(max_update_time))
+		{
+			did_one = TRUE;
+		}
 	}
 }
 
@@ -837,6 +840,9 @@ void LLWorld::updateWaterObjects()
 	}
 	mHoleWaterObjects.clear();
 
+	// Use the water height of the region we're on for areas where there is no region
+	F32 water_height = gAgent.getRegion()->getWaterHeight();
+
 	// Now, get a list of the holes
 	S32 x, y;
 	for (x = min_x; x <= max_x; x += rwidth)
@@ -845,12 +851,12 @@ void LLWorld::updateWaterObjects()
 		{
 			U64 region_handle = to_region_handle(x, y);
 			if (!getRegionFromHandle(region_handle))
-			{
+			{	// No region at that area, so make water
 				LLVOWater* waterp = (LLVOWater *)gObjectList.createObjectViewer(LLViewerObject::LL_VO_WATER, gAgent.getRegion());
 				waterp->setUseTexture(FALSE);
 				waterp->setPositionGlobal(LLVector3d(x + rwidth/2,
 													 y + rwidth/2,
-													 256.f+DEFAULT_WATER_HEIGHT));
+													 256.f + water_height));
 				waterp->setScale(LLVector3((F32)rwidth, (F32)rwidth, 512.f));
 				gPipeline.createObject(waterp);
 				mHoleWaterObjects.push_back(waterp);
@@ -907,7 +913,7 @@ void LLWorld::updateWaterObjects()
 		}
 
 		waterp->setRegion(gAgent.getRegion());
-		LLVector3d water_pos(water_center_x, water_center_y, 256.f+DEFAULT_WATER_HEIGHT) ;
+		LLVector3d water_pos(water_center_x, water_center_y, 256.f + water_height) ;
 		LLVector3 water_scale((F32) dim[0], (F32) dim[1], 512.f);
 
 		//stretch out to horizon
diff --git a/indra/newview/pipeline.cpp b/indra/newview/pipeline.cpp
index f01626c0fc..2edb5cf852 100644
--- a/indra/newview/pipeline.cpp
+++ b/indra/newview/pipeline.cpp
@@ -120,6 +120,8 @@
 //#define DEBUG_INDICES
 #endif
 
+bool gShiftFrame = false;
+
 //cached settings
 BOOL LLPipeline::RenderAvatarVP;
 BOOL LLPipeline::VertexShaderEnable;
@@ -217,7 +219,7 @@ BOOL	gDebugPipeline = FALSE;
 LLPipeline gPipeline;
 const LLMatrix4* gGLLastMatrix = NULL;
 
-LLFastTimer::DeclareTimer FTM_RENDER_GEOMETRY("Geometry");
+LLFastTimer::DeclareTimer FTM_RENDER_GEOMETRY("Render Geometry");
 LLFastTimer::DeclareTimer FTM_RENDER_GRASS("Grass");
 LLFastTimer::DeclareTimer FTM_RENDER_INVISIBLE("Invisible");
 LLFastTimer::DeclareTimer FTM_RENDER_OCCLUSION("Occlusion");
@@ -234,8 +236,13 @@ LLFastTimer::DeclareTimer FTM_RENDER_BUMP("Bump");
 LLFastTimer::DeclareTimer FTM_RENDER_FULLBRIGHT("Fullbright");
 LLFastTimer::DeclareTimer FTM_RENDER_GLOW("Glow");
 LLFastTimer::DeclareTimer FTM_GEO_UPDATE("Geo Update");
+LLFastTimer::DeclareTimer FTM_PIPELINE_CREATE("Pipeline Create");
 LLFastTimer::DeclareTimer FTM_POOLRENDER("RenderPool");
 LLFastTimer::DeclareTimer FTM_POOLS("Pools");
+LLFastTimer::DeclareTimer FTM_DEFERRED_POOLRENDER("RenderPool (Deferred)");
+LLFastTimer::DeclareTimer FTM_DEFERRED_POOLS("Pools (Deferred)");
+LLFastTimer::DeclareTimer FTM_POST_DEFERRED_POOLRENDER("RenderPool (Post)");
+LLFastTimer::DeclareTimer FTM_POST_DEFERRED_POOLS("Pools (Post)");
 LLFastTimer::DeclareTimer FTM_RENDER_BLOOM_FBO("First FBO");
 LLFastTimer::DeclareTimer FTM_STATESORT("Sort Draw State");
 LLFastTimer::DeclareTimer FTM_PIPELINE("Pipeline");
@@ -1371,7 +1378,7 @@ public:
 	{
 		LLSpatialGroup* group = (LLSpatialGroup*) node->getListener(0);
 
-		if (!group->isState(LLSpatialGroup::GEOM_DIRTY) && !group->getData().empty())
+		if (!group->isState(LLSpatialGroup::GEOM_DIRTY) && !group->isEmpty())
 		{
 			for (LLSpatialGroup::draw_map_t::iterator i = group->mDrawMap.begin(); i != group->mDrawMap.end(); ++i)
 			{
@@ -1680,7 +1687,7 @@ U32 LLPipeline::addObject(LLViewerObject *vobj)
 
 void LLPipeline::createObjects(F32 max_dtime)
 {
-	LLFastTimer ftm(FTM_GEO_UPDATE);
+	LLFastTimer ftm(FTM_PIPELINE_CREATE);
 	LLMemType mt(LLMemType::MTYPE_PIPELINE_CREATE_OBJECTS);
 
 	LLTimer update_timer;
@@ -1976,7 +1983,7 @@ void LLPipeline::clearReferences()
 
 void check_references(LLSpatialGroup* group, LLDrawable* drawable)
 {
-	for (LLSpatialGroup::element_iter i = group->getData().begin(); i != group->getData().end(); ++i)
+	for (LLSpatialGroup::element_iter i = group->getDataBegin(); i != group->getDataEnd(); ++i)
 	{
 		if (drawable == *i)
 		{
@@ -1998,7 +2005,7 @@ void check_references(LLDrawable* drawable, LLFace* face)
 
 void check_references(LLSpatialGroup* group, LLFace* face)
 {
-	for (LLSpatialGroup::element_iter i = group->getData().begin(); i != group->getData().end(); ++i)
+	for (LLSpatialGroup::element_iter i = group->getDataBegin(); i != group->getDataEnd(); ++i)
 	{
 		LLDrawable* drawable = *i;
 		check_references(drawable, face);
@@ -2010,25 +2017,25 @@ void LLPipeline::checkReferences(LLFace* face)
 #if 0
 	if (sCull)
 	{
-		for (LLCullResult::sg_list_t::iterator iter = sCull->beginVisibleGroups(); iter != sCull->endVisibleGroups(); ++iter)
+		for (LLCullResult::sg_iterator iter = sCull->beginVisibleGroups(); iter != sCull->endVisibleGroups(); ++iter)
 		{
 			LLSpatialGroup* group = *iter;
 			check_references(group, face);
 		}
 
-		for (LLCullResult::sg_list_t::iterator iter = sCull->beginAlphaGroups(); iter != sCull->endAlphaGroups(); ++iter)
+		for (LLCullResult::sg_iterator iter = sCull->beginAlphaGroups(); iter != sCull->endAlphaGroups(); ++iter)
 		{
 			LLSpatialGroup* group = *iter;
 			check_references(group, face);
 		}
 
-		for (LLCullResult::sg_list_t::iterator iter = sCull->beginDrawableGroups(); iter != sCull->endDrawableGroups(); ++iter)
+		for (LLCullResult::sg_iterator iter = sCull->beginDrawableGroups(); iter != sCull->endDrawableGroups(); ++iter)
 		{
 			LLSpatialGroup* group = *iter;
 			check_references(group, face);
 		}
 
-		for (LLCullResult::drawable_list_t::iterator iter = sCull->beginVisibleList(); iter != sCull->endVisibleList(); ++iter)
+		for (LLCullResult::drawable_iterator iter = sCull->beginVisibleList(); iter != sCull->endVisibleList(); ++iter)
 		{
 			LLDrawable* drawable = *iter;
 			check_references(drawable, face);	
@@ -2042,25 +2049,25 @@ void LLPipeline::checkReferences(LLDrawable* drawable)
 #if 0
 	if (sCull)
 	{
-		for (LLCullResult::sg_list_t::iterator iter = sCull->beginVisibleGroups(); iter != sCull->endVisibleGroups(); ++iter)
+		for (LLCullResult::sg_iterator iter = sCull->beginVisibleGroups(); iter != sCull->endVisibleGroups(); ++iter)
 		{
 			LLSpatialGroup* group = *iter;
 			check_references(group, drawable);
 		}
 
-		for (LLCullResult::sg_list_t::iterator iter = sCull->beginAlphaGroups(); iter != sCull->endAlphaGroups(); ++iter)
+		for (LLCullResult::sg_iterator iter = sCull->beginAlphaGroups(); iter != sCull->endAlphaGroups(); ++iter)
 		{
 			LLSpatialGroup* group = *iter;
 			check_references(group, drawable);
 		}
 
-		for (LLCullResult::sg_list_t::iterator iter = sCull->beginDrawableGroups(); iter != sCull->endDrawableGroups(); ++iter)
+		for (LLCullResult::sg_iterator iter = sCull->beginDrawableGroups(); iter != sCull->endDrawableGroups(); ++iter)
 		{
 			LLSpatialGroup* group = *iter;
 			check_references(group, drawable);
 		}
 
-		for (LLCullResult::drawable_list_t::iterator iter = sCull->beginVisibleList(); iter != sCull->endVisibleList(); ++iter)
+		for (LLCullResult::drawable_iterator iter = sCull->beginVisibleList(); iter != sCull->endVisibleList(); ++iter)
 		{
 			if (drawable == *iter)
 			{
@@ -2093,19 +2100,19 @@ void LLPipeline::checkReferences(LLDrawInfo* draw_info)
 #if 0
 	if (sCull)
 	{
-		for (LLCullResult::sg_list_t::iterator iter = sCull->beginVisibleGroups(); iter != sCull->endVisibleGroups(); ++iter)
+		for (LLCullResult::sg_iterator iter = sCull->beginVisibleGroups(); iter != sCull->endVisibleGroups(); ++iter)
 		{
 			LLSpatialGroup* group = *iter;
 			check_references(group, draw_info);
 		}
 
-		for (LLCullResult::sg_list_t::iterator iter = sCull->beginAlphaGroups(); iter != sCull->endAlphaGroups(); ++iter)
+		for (LLCullResult::sg_iterator iter = sCull->beginAlphaGroups(); iter != sCull->endAlphaGroups(); ++iter)
 		{
 			LLSpatialGroup* group = *iter;
 			check_references(group, draw_info);
 		}
 
-		for (LLCullResult::sg_list_t::iterator iter = sCull->beginDrawableGroups(); iter != sCull->endDrawableGroups(); ++iter)
+		for (LLCullResult::sg_iterator iter = sCull->beginDrawableGroups(); iter != sCull->endDrawableGroups(); ++iter)
 		{
 			LLSpatialGroup* group = *iter;
 			check_references(group, draw_info);
@@ -2119,7 +2126,7 @@ void LLPipeline::checkReferences(LLSpatialGroup* group)
 #if 0
 	if (sCull)
 	{
-		for (LLCullResult::sg_list_t::iterator iter = sCull->beginVisibleGroups(); iter != sCull->endVisibleGroups(); ++iter)
+		for (LLCullResult::sg_iterator iter = sCull->beginVisibleGroups(); iter != sCull->endVisibleGroups(); ++iter)
 		{
 			if (group == *iter)
 			{
@@ -2127,7 +2134,7 @@ void LLPipeline::checkReferences(LLSpatialGroup* group)
 			}
 		}
 
-		for (LLCullResult::sg_list_t::iterator iter = sCull->beginAlphaGroups(); iter != sCull->endAlphaGroups(); ++iter)
+		for (LLCullResult::sg_iterator iter = sCull->beginAlphaGroups(); iter != sCull->endAlphaGroups(); ++iter)
 		{
 			if (group == *iter)
 			{
@@ -2135,7 +2142,7 @@ void LLPipeline::checkReferences(LLSpatialGroup* group)
 			}
 		}
 
-		for (LLCullResult::sg_list_t::iterator iter = sCull->beginDrawableGroups(); iter != sCull->endDrawableGroups(); ++iter)
+		for (LLCullResult::sg_iterator iter = sCull->beginDrawableGroups(); iter != sCull->endDrawableGroups(); ++iter)
 		{
 			if (group == *iter)
 			{
@@ -2374,7 +2381,7 @@ void LLPipeline::updateCull(LLCamera& camera, LLCullResult& result, S32 water_cl
 
 void LLPipeline::markNotCulled(LLSpatialGroup* group, LLCamera& camera)
 {
-	if (group->getData().empty())
+	if (group->isEmpty())
 	{ 
 		return;
 	}
@@ -2477,7 +2484,7 @@ void LLPipeline::doOcclusion(LLCamera& camera)
 		}
 		mCubeVB->setBuffer(LLVertexBuffer::MAP_VERTEX);
 
-		for (LLCullResult::sg_list_t::iterator iter = sCull->beginOcclusionGroups(); iter != sCull->endOcclusionGroups(); ++iter)
+		for (LLCullResult::sg_iterator iter = sCull->beginOcclusionGroups(); iter != sCull->endOcclusionGroups(); ++iter)
 		{
 			LLSpatialGroup* group = *iter;
 			group->doOcclusion(&camera);
@@ -2513,14 +2520,19 @@ BOOL LLPipeline::updateDrawableGeom(LLDrawable* drawablep, BOOL priority)
 
 static LLFastTimer::DeclareTimer FTM_SEED_VBO_POOLS("Seed VBO Pool");
 
+static LLFastTimer::DeclareTimer FTM_UPDATE_GL("Update GL");
+
 void LLPipeline::updateGL()
 {
-	while (!LLGLUpdate::sGLQ.empty())
 	{
-		LLGLUpdate* glu = LLGLUpdate::sGLQ.front();
-		glu->updateGL();
-		glu->mInQ = FALSE;
-		LLGLUpdate::sGLQ.pop_front();
+		LLFastTimer t(FTM_UPDATE_GL);
+		while (!LLGLUpdate::sGLQ.empty())
+		{
+			LLGLUpdate* glu = LLGLUpdate::sGLQ.front();
+			glu->updateGL();
+			glu->mInQ = FALSE;
+			LLGLUpdate::sGLQ.pop_front();
+		}
 	}
 
 	{ //seed VBO Pools
@@ -2529,11 +2541,13 @@ void LLPipeline::updateGL()
 	}
 }
 
+static LLFastTimer::DeclareTimer FTM_REBUILD_PRIORITY_GROUPS("Rebuild Priority Groups");
+
 void LLPipeline::rebuildPriorityGroups()
 {
+	LLFastTimer t(FTM_REBUILD_PRIORITY_GROUPS);
 	LLTimer update_timer;
 	LLMemType mt(LLMemType::MTYPE_PIPELINE);
-	
 	assertInitialized();
 
 	gMeshRepo.notifyLoadedMeshes();
@@ -2552,7 +2566,9 @@ void LLPipeline::rebuildPriorityGroups()
 	mGroupQ1Locked = false;
 
 }
-		
+
+static LLFastTimer::DeclareTimer FTM_REBUILD_GROUPS("Rebuild Groups");
+
 void LLPipeline::rebuildGroups()
 {
 	if (mGroupQ2.empty())
@@ -2560,6 +2576,7 @@ void LLPipeline::rebuildGroups()
 		return;
 	}
 
+	LLFastTimer t(FTM_REBUILD_GROUPS);
 	mGroupQ2Locked = true;
 	// Iterate through some drawables on the non-priority build queue
 	S32 size = (S32) mGroupQ2.size();
@@ -2803,6 +2820,10 @@ void LLPipeline::markShift(LLDrawable *drawablep)
 	}
 }
 
+static LLFastTimer::DeclareTimer FTM_SHIFT_DRAWABLE("Shift Drawable");
+static LLFastTimer::DeclareTimer FTM_SHIFT_OCTREE("Shift Octree");
+static LLFastTimer::DeclareTimer FTM_SHIFT_HUD("Shift HUD");
+
 void LLPipeline::shiftObjects(const LLVector3 &offset)
 {
 	LLMemType mt(LLMemType::MTYPE_PIPELINE_SHIFT_OBJECTS);
@@ -2815,35 +2836,46 @@ void LLPipeline::shiftObjects(const LLVector3 &offset)
 	LLVector4a offseta;
 	offseta.load3(offset.mV);
 
-	for (LLDrawable::drawable_vector_t::iterator iter = mShiftList.begin();
-		 iter != mShiftList.end(); iter++)
 	{
-		LLDrawable *drawablep = *iter;
-		if (drawablep->isDead())
+		LLFastTimer t(FTM_SHIFT_DRAWABLE);
+
+		for (LLDrawable::drawable_vector_t::iterator iter = mShiftList.begin();
+			 iter != mShiftList.end(); iter++)
 		{
-			continue;
-		}	
-		drawablep->shiftPos(offseta);	
-		drawablep->clearState(LLDrawable::ON_SHIFT_LIST);
+			LLDrawable *drawablep = *iter;
+			if (drawablep->isDead())
+			{
+				continue;
+			}	
+			drawablep->shiftPos(offseta);	
+			drawablep->clearState(LLDrawable::ON_SHIFT_LIST);
+		}
+		mShiftList.resize(0);
 	}
-	mShiftList.resize(0);
 
-	for (LLWorld::region_list_t::const_iterator iter = LLWorld::getInstance()->getRegionList().begin(); 
-			iter != LLWorld::getInstance()->getRegionList().end(); ++iter)
+	
 	{
-		LLViewerRegion* region = *iter;
-		for (U32 i = 0; i < LLViewerRegion::NUM_PARTITIONS; i++)
+		LLFastTimer t(FTM_SHIFT_OCTREE);
+		for (LLWorld::region_list_t::const_iterator iter = LLWorld::getInstance()->getRegionList().begin(); 
+				iter != LLWorld::getInstance()->getRegionList().end(); ++iter)
 		{
-			LLSpatialPartition* part = region->getSpatialPartition(i);
-			if (part)
+			LLViewerRegion* region = *iter;
+			for (U32 i = 0; i < LLViewerRegion::NUM_PARTITIONS; i++)
 			{
-				part->shift(offseta);
+				LLSpatialPartition* part = region->getSpatialPartition(i);
+				if (part)
+				{
+					part->shift(offseta);
+				}
 			}
 		}
 	}
 
-	LLHUDText::shiftAll(offset);
-	LLHUDNameTag::shiftAll(offset);
+	{
+		LLFastTimer t(FTM_SHIFT_HUD);
+		LLHUDText::shiftAll(offset);
+		LLHUDNameTag::shiftAll(offset);
+	}
 	display_update_camera();
 }
 
@@ -2876,8 +2908,10 @@ void LLPipeline::markPartitionMove(LLDrawable* drawable)
 	}
 }
 
+static LLFastTimer::DeclareTimer FTM_PROCESS_PARTITIONQ("PartitionQ");
 void LLPipeline::processPartitionQ()
 {
+	LLFastTimer t(FTM_PROCESS_PARTITIONQ);
 	for (LLDrawable::drawable_list_t::iterator iter = mPartitionQ.begin(); iter != mPartitionQ.end(); ++iter)
 	{
 		LLDrawable* drawable = *iter;
@@ -2993,7 +3027,7 @@ void LLPipeline::stateSort(LLCamera& camera, LLCullResult &result)
 	//LLVertexBuffer::unbind();
 
 	grabReferences(result);
-	for (LLCullResult::sg_list_t::iterator iter = sCull->beginDrawableGroups(); iter != sCull->endDrawableGroups(); ++iter)
+	for (LLCullResult::sg_iterator iter = sCull->beginDrawableGroups(); iter != sCull->endDrawableGroups(); ++iter)
 	{
 		LLSpatialGroup* group = *iter;
 		group->checkOcclusion();
@@ -3004,7 +3038,7 @@ void LLPipeline::stateSort(LLCamera& camera, LLCullResult &result)
 		else
 		{
 			group->setVisible();
-			for (LLSpatialGroup::element_iter i = group->getData().begin(); i != group->getData().end(); ++i)
+			for (LLSpatialGroup::element_iter i = group->getDataBegin(); i != group->getDataEnd(); ++i)
 			{
 				markVisible(*i, camera);
 			}
@@ -3019,9 +3053,9 @@ void LLPipeline::stateSort(LLCamera& camera, LLCullResult &result)
 	if (LLViewerCamera::sCurCameraID == LLViewerCamera::CAMERA_WORLD)
 	{
 		LLSpatialGroup* last_group = NULL;
-		for (LLCullResult::bridge_list_t::iterator i = sCull->beginVisibleBridge(); i != sCull->endVisibleBridge(); ++i)
+		for (LLCullResult::bridge_iterator i = sCull->beginVisibleBridge(); i != sCull->endVisibleBridge(); ++i)
 		{
-			LLCullResult::bridge_list_t::iterator cur_iter = i;
+			LLCullResult::bridge_iterator cur_iter = i;
 			LLSpatialBridge* bridge = *cur_iter;
 			LLSpatialGroup* group = bridge->getSpatialGroup();
 
@@ -3051,7 +3085,7 @@ void LLPipeline::stateSort(LLCamera& camera, LLCullResult &result)
 		}
 	}
 
-	for (LLCullResult::sg_list_t::iterator iter = sCull->beginVisibleGroups(); iter != sCull->endVisibleGroups(); ++iter)
+	for (LLCullResult::sg_iterator iter = sCull->beginVisibleGroups(); iter != sCull->endVisibleGroups(); ++iter)
 	{
 		LLSpatialGroup* group = *iter;
 		group->checkOcclusion();
@@ -3073,7 +3107,7 @@ void LLPipeline::stateSort(LLCamera& camera, LLCullResult &result)
 	
 	{
 		LLFastTimer ftm(FTM_STATESORT_DRAWABLE);
-		for (LLCullResult::drawable_list_t::iterator iter = sCull->beginVisibleList();
+		for (LLCullResult::drawable_iterator iter = sCull->beginVisibleList();
 			 iter != sCull->endVisibleList(); ++iter)
 		{
 			LLDrawable *drawablep = *iter;
@@ -3092,7 +3126,7 @@ void LLPipeline::stateSort(LLSpatialGroup* group, LLCamera& camera)
 	LLMemType mt(LLMemType::MTYPE_PIPELINE_STATE_SORT);
 	if (group->changeLOD())
 	{
-		for (LLSpatialGroup::element_iter i = group->getData().begin(); i != group->getData().end(); ++i)
+		for (LLSpatialGroup::element_iter i = group->getDataBegin(); i != group->getDataEnd(); ++i)
 		{
 			LLDrawable* drawablep = *i;
 			stateSort(drawablep, camera);
@@ -3209,13 +3243,13 @@ void LLPipeline::stateSort(LLDrawable* drawablep, LLCamera& camera)
 }
 
 
-void forAllDrawables(LLCullResult::sg_list_t::iterator begin, 
-					 LLCullResult::sg_list_t::iterator end,
+void forAllDrawables(LLCullResult::sg_iterator begin, 
+					 LLCullResult::sg_iterator end,
 					 void (*func)(LLDrawable*))
 {
-	for (LLCullResult::sg_list_t::iterator i = begin; i != end; ++i)
+	for (LLCullResult::sg_iterator i = begin; i != end; ++i)
 	{
-		for (LLSpatialGroup::element_iter j = (*i)->getData().begin(); j != (*i)->getData().end(); ++j)
+		for (LLSpatialGroup::element_iter j = (*i)->getDataBegin(); j != (*i)->getDataEnd(); ++j)
 		{
 			func(*j);	
 		}
@@ -3417,7 +3451,7 @@ void LLPipeline::postSort(LLCamera& camera)
 
 	llpushcallstacks ;
 	//rebuild drawable geometry
-	for (LLCullResult::sg_list_t::iterator i = sCull->beginDrawableGroups(); i != sCull->endDrawableGroups(); ++i)
+	for (LLCullResult::sg_iterator i = sCull->beginDrawableGroups(); i != sCull->endDrawableGroups(); ++i)
 	{
 		LLSpatialGroup* group = *i;
 		if (!sUseOcclusion || 
@@ -3435,7 +3469,7 @@ void LLPipeline::postSort(LLCamera& camera)
 
 
 	//build render map
-	for (LLCullResult::sg_list_t::iterator i = sCull->beginVisibleGroups(); i != sCull->endVisibleGroups(); ++i)
+	for (LLCullResult::sg_iterator i = sCull->beginVisibleGroups(); i != sCull->endVisibleGroups(); ++i)
 	{
 		LLSpatialGroup* group = *i;
 		if (sUseOcclusion && 
@@ -4138,7 +4172,7 @@ void LLPipeline::renderGeomDeferred(LLCamera& camera)
 	LLMemType mt_rgd(LLMemType::MTYPE_PIPELINE_RENDER_GEOM_DEFFERRED);
 	LLFastTimer t(FTM_RENDER_GEOMETRY);
 
-	LLFastTimer t2(FTM_POOLS);
+	LLFastTimer t2(FTM_DEFERRED_POOLS);
 
 	LLGLEnable cull(GL_CULL_FACE);
 
@@ -4180,7 +4214,7 @@ void LLPipeline::renderGeomDeferred(LLCamera& camera)
 		pool_set_t::iterator iter2 = iter1;
 		if (hasRenderType(poolp->getType()) && poolp->getNumDeferredPasses() > 0)
 		{
-			LLFastTimer t(FTM_POOLRENDER);
+			LLFastTimer t(FTM_DEFERRED_POOLRENDER);
 
 			gGLLastMatrix = NULL;
 			gGL.loadMatrix(gGLModelView);
@@ -4233,7 +4267,7 @@ void LLPipeline::renderGeomDeferred(LLCamera& camera)
 void LLPipeline::renderGeomPostDeferred(LLCamera& camera)
 {
 	LLMemType mt_rgpd(LLMemType::MTYPE_PIPELINE_RENDER_GEOM_POST_DEF);
-	LLFastTimer t(FTM_POOLS);
+	LLFastTimer t(FTM_POST_DEFERRED_POOLS);
 	U32 cur_type = 0;
 
 	LLGLEnable cull(GL_CULL_FACE);
@@ -4267,7 +4301,7 @@ void LLPipeline::renderGeomPostDeferred(LLCamera& camera)
 		pool_set_t::iterator iter2 = iter1;
 		if (hasRenderType(poolp->getType()) && poolp->getNumPostDeferredPasses() > 0)
 		{
-			LLFastTimer t(FTM_POOLRENDER);
+			LLFastTimer t(FTM_POST_DEFERRED_POOLRENDER);
 
 			gGLLastMatrix = NULL;
 			gGL.loadMatrix(gGLModelView);
@@ -4457,7 +4491,7 @@ void LLPipeline::renderPhysicsDisplay()
 		}
 	}
 
-	for (LLCullResult::bridge_list_t::const_iterator i = sCull->beginVisibleBridge(); i != sCull->endVisibleBridge(); ++i)
+	for (LLCullResult::bridge_iterator i = sCull->beginVisibleBridge(); i != sCull->endVisibleBridge(); ++i)
 	{
 		LLSpatialBridge* bridge = *i;
 		if (!bridge->isDead() && hasRenderType(bridge->mDrawableType))
@@ -4879,7 +4913,7 @@ void LLPipeline::renderDebug()
 		}
 	}
 
-	for (LLCullResult::bridge_list_t::const_iterator i = sCull->beginVisibleBridge(); i != sCull->endVisibleBridge(); ++i)
+	for (LLCullResult::bridge_iterator i = sCull->beginVisibleBridge(); i != sCull->endVisibleBridge(); ++i)
 	{
 		LLSpatialBridge* bridge = *i;
 		if (!bridge->isDead() && hasRenderType(bridge->mDrawableType))
@@ -5131,8 +5165,11 @@ void LLPipeline::renderDebug()
 	}
 }
 
+static LLFastTimer::DeclareTimer FTM_REBUILD_POOLS("Rebuild Pools");
+
 void LLPipeline::rebuildPools()
 {
+	LLFastTimer t(FTM_REBUILD_POOLS);
 	LLMemType mt(LLMemType::MTYPE_PIPELINE_REBUILD_POOLS);
 
 	assertInitialized();
@@ -6691,13 +6728,16 @@ void LLPipeline::resetVertexBuffers()
 	mResetVertexBuffers = true;
 }
 
+static LLFastTimer::DeclareTimer FTM_RESET_VB("Reset VB");
+
 void LLPipeline::doResetVertexBuffers()
 {
 	if (!mResetVertexBuffers)
 	{
 		return;
 	}
-	
+
+	LLFastTimer t(FTM_RESET_VB);
 	mResetVertexBuffers = false;
 
 	mCubeVB = NULL;
@@ -9122,6 +9162,8 @@ void LLPipeline::generateHighlight(LLCamera& camera)
 }
 
 
+static LLFastTimer::DeclareTimer FTM_GEN_SUN_SHADOW("Gen Sun Shadow");
+
 void LLPipeline::generateSunShadow(LLCamera& camera)
 {
 	if (!sRenderDeferred || RenderShadowDetail <= 0)
@@ -9129,6 +9171,8 @@ void LLPipeline::generateSunShadow(LLCamera& camera)
 		return;
 	}
 
+	LLFastTimer t(FTM_GEN_SUN_SHADOW);
+
 	BOOL skip_avatar_update = FALSE;
 	if (!isAgentAvatarValid() || gAgentCamera.getCameraAnimating() || gAgentCamera.getCameraMode() != CAMERA_MODE_MOUSELOOK || !LLVOAvatar::sVisibleInFirstPerson)
 	{
@@ -9878,7 +9922,7 @@ void LLPipeline::generateSunShadow(LLCamera& camera)
 
 void LLPipeline::renderGroups(LLRenderPass* pass, U32 type, U32 mask, BOOL texture)
 {
-	for (LLCullResult::sg_list_t::iterator i = sCull->beginVisibleGroups(); i != sCull->endVisibleGroups(); ++i)
+	for (LLCullResult::sg_iterator i = sCull->beginVisibleGroups(); i != sCull->endVisibleGroups(); ++i)
 	{
 		LLSpatialGroup* group = *i;
 		if (!group->isDead() &&
@@ -9891,6 +9935,12 @@ void LLPipeline::renderGroups(LLRenderPass* pass, U32 type, U32 mask, BOOL textu
 	}
 }
 
+static LLFastTimer::DeclareTimer FTM_IMPOSTOR_MARK_VISIBLE("Impostor Mark Visible");
+static LLFastTimer::DeclareTimer FTM_IMPOSTOR_SETUP("Impostor Setup");
+static LLFastTimer::DeclareTimer FTM_IMPOSTOR_BACKGROUND("Impostor Background");
+static LLFastTimer::DeclareTimer FTM_IMPOSTOR_ALLOCATE("Impostor Allocate");
+static LLFastTimer::DeclareTimer FTM_IMPOSTOR_RESIZE("Impostor Resize");
+
 void LLPipeline::generateImpostor(LLVOAvatar* avatar)
 {
 	LLMemType mt_gi(LLMemType::MTYPE_PIPELINE_GENERATE_IMPOSTOR);
@@ -9946,101 +9996,114 @@ void LLPipeline::generateImpostor(LLVOAvatar* avatar)
 	sImpostorRender = TRUE;
 
 	LLViewerCamera* viewer_camera = LLViewerCamera::getInstance();
-	markVisible(avatar->mDrawable, *viewer_camera);
-	LLVOAvatar::sUseImpostors = FALSE;
 
-	LLVOAvatar::attachment_map_t::iterator iter;
-	for (iter = avatar->mAttachmentPoints.begin();
-		iter != avatar->mAttachmentPoints.end();
-		++iter)
 	{
-		LLViewerJointAttachment *attachment = iter->second;
-		for (LLViewerJointAttachment::attachedobjs_vec_t::iterator attachment_iter = attachment->mAttachedObjects.begin();
-			 attachment_iter != attachment->mAttachedObjects.end();
-			 ++attachment_iter)
+		LLFastTimer t(FTM_IMPOSTOR_MARK_VISIBLE);
+		markVisible(avatar->mDrawable, *viewer_camera);
+		LLVOAvatar::sUseImpostors = FALSE;
+
+		LLVOAvatar::attachment_map_t::iterator iter;
+		for (iter = avatar->mAttachmentPoints.begin();
+			iter != avatar->mAttachmentPoints.end();
+			++iter)
 		{
-			if (LLViewerObject* attached_object = (*attachment_iter))
+			LLViewerJointAttachment *attachment = iter->second;
+			for (LLViewerJointAttachment::attachedobjs_vec_t::iterator attachment_iter = attachment->mAttachedObjects.begin();
+				 attachment_iter != attachment->mAttachedObjects.end();
+				 ++attachment_iter)
 			{
-				markVisible(attached_object->mDrawable->getSpatialBridge(), *viewer_camera);
+				if (LLViewerObject* attached_object = (*attachment_iter))
+				{
+					markVisible(attached_object->mDrawable->getSpatialBridge(), *viewer_camera);
+				}
 			}
 		}
 	}
 
 	stateSort(*LLViewerCamera::getInstance(), result);
 	
-	const LLVector4a* ext = avatar->mDrawable->getSpatialExtents();
-	LLVector3 pos(avatar->getRenderPosition()+avatar->getImpostorOffset());
-
 	LLCamera camera = *viewer_camera;
-
-	camera.lookAt(viewer_camera->getOrigin(), pos, viewer_camera->getUpAxis());
-	
 	LLVector2 tdim;
+	U32 resY = 0;
+	U32 resX = 0;
 
+	{
+		LLFastTimer t(FTM_IMPOSTOR_SETUP);
+		const LLVector4a* ext = avatar->mDrawable->getSpatialExtents();
+		LLVector3 pos(avatar->getRenderPosition()+avatar->getImpostorOffset());
 
-	LLVector4a half_height;
-	half_height.setSub(ext[1], ext[0]);
-	half_height.mul(0.5f);
+		camera.lookAt(viewer_camera->getOrigin(), pos, viewer_camera->getUpAxis());
+	
+		LLVector4a half_height;
+		half_height.setSub(ext[1], ext[0]);
+		half_height.mul(0.5f);
 
-	LLVector4a left;
-	left.load3(camera.getLeftAxis().mV);
-	left.mul(left);
-	left.normalize3fast();
+		LLVector4a left;
+		left.load3(camera.getLeftAxis().mV);
+		left.mul(left);
+		left.normalize3fast();
 
-	LLVector4a up;
-	up.load3(camera.getUpAxis().mV);
-	up.mul(up);
-	up.normalize3fast();
+		LLVector4a up;
+		up.load3(camera.getUpAxis().mV);
+		up.mul(up);
+		up.normalize3fast();
 
-	tdim.mV[0] = fabsf(half_height.dot3(left).getF32());
-	tdim.mV[1] = fabsf(half_height.dot3(up).getF32());
+		tdim.mV[0] = fabsf(half_height.dot3(left).getF32());
+		tdim.mV[1] = fabsf(half_height.dot3(up).getF32());
 
-	gGL.matrixMode(LLRender::MM_PROJECTION);
-	gGL.pushMatrix();
+		gGL.matrixMode(LLRender::MM_PROJECTION);
+		gGL.pushMatrix();
 	
-	F32 distance = (pos-camera.getOrigin()).length();
-	F32 fov = atanf(tdim.mV[1]/distance)*2.f*RAD_TO_DEG;
-	F32 aspect = tdim.mV[0]/tdim.mV[1];
-	glh::matrix4f persp = gl_perspective(fov, aspect, 1.f, 256.f);
-	glh_set_current_projection(persp);
-	gGL.loadMatrix(persp.m);
+		F32 distance = (pos-camera.getOrigin()).length();
+		F32 fov = atanf(tdim.mV[1]/distance)*2.f*RAD_TO_DEG;
+		F32 aspect = tdim.mV[0]/tdim.mV[1];
+		glh::matrix4f persp = gl_perspective(fov, aspect, 1.f, 256.f);
+		glh_set_current_projection(persp);
+		gGL.loadMatrix(persp.m);
 
-	gGL.matrixMode(LLRender::MM_MODELVIEW);
-	gGL.pushMatrix();
-	glh::matrix4f mat;
-	camera.getOpenGLTransform(mat.m);
+		gGL.matrixMode(LLRender::MM_MODELVIEW);
+		gGL.pushMatrix();
+		glh::matrix4f mat;
+		camera.getOpenGLTransform(mat.m);
 
-	mat = glh::matrix4f((GLfloat*) OGL_TO_CFR_ROTATION) * mat;
+		mat = glh::matrix4f((GLfloat*) OGL_TO_CFR_ROTATION) * mat;
 
-	gGL.loadMatrix(mat.m);
-	glh_set_current_modelview(mat);
+		gGL.loadMatrix(mat.m);
+		glh_set_current_modelview(mat);
 
-	glClearColor(0.0f,0.0f,0.0f,0.0f);
-	gGL.setColorMask(true, true);
+		glClearColor(0.0f,0.0f,0.0f,0.0f);
+		gGL.setColorMask(true, true);
 	
-	// get the number of pixels per angle
-	F32 pa = gViewerWindow->getWindowHeightRaw() / (RAD_TO_DEG * viewer_camera->getView());
+		// get the number of pixels per angle
+		F32 pa = gViewerWindow->getWindowHeightRaw() / (RAD_TO_DEG * viewer_camera->getView());
 
-	//get resolution based on angle width and height of impostor (double desired resolution to prevent aliasing)
-	U32 resY = llmin(nhpo2((U32) (fov*pa)), (U32) 512);
-	U32 resX = llmin(nhpo2((U32) (atanf(tdim.mV[0]/distance)*2.f*RAD_TO_DEG*pa)), (U32) 512);
+		//get resolution based on angle width and height of impostor (double desired resolution to prevent aliasing)
+		resY = llmin(nhpo2((U32) (fov*pa)), (U32) 512);
+		resX = llmin(nhpo2((U32) (atanf(tdim.mV[0]/distance)*2.f*RAD_TO_DEG*pa)), (U32) 512);
 
-	if (!avatar->mImpostor.isComplete() || resX != avatar->mImpostor.getWidth() ||
-		resY != avatar->mImpostor.getHeight())
-	{
-		avatar->mImpostor.allocate(resX,resY,GL_RGBA,TRUE,FALSE);
+		if (!avatar->mImpostor.isComplete())
+		{
+			LLFastTimer t(FTM_IMPOSTOR_ALLOCATE);
+			avatar->mImpostor.allocate(resX,resY,GL_RGBA,TRUE,FALSE);
+
+			if (LLPipeline::sRenderDeferred)
+			{
+				addDeferredAttachments(avatar->mImpostor);
+			}
 		
-		if (LLPipeline::sRenderDeferred)
+			gGL.getTexUnit(0)->bind(&avatar->mImpostor);
+			gGL.getTexUnit(0)->setTextureFilteringOption(LLTexUnit::TFO_POINT);
+			gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
+		}
+		else if(resX != avatar->mImpostor.getWidth() ||
+			resY != avatar->mImpostor.getHeight())
 		{
-			addDeferredAttachments(avatar->mImpostor);
+			LLFastTimer t(FTM_IMPOSTOR_RESIZE);
+			avatar->mImpostor.resize(resX,resY,GL_RGBA);
 		}
-		
-		gGL.getTexUnit(0)->bind(&avatar->mImpostor);
-		gGL.getTexUnit(0)->setTextureFilteringOption(LLTexUnit::TFO_POINT);
-		gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
-	}
 
-	avatar->mImpostor.bindTarget();
+		avatar->mImpostor.bindTarget();
+	}
 
 	if (LLPipeline::sRenderDeferred)
 	{
@@ -10057,6 +10120,7 @@ void LLPipeline::generateImpostor(LLVOAvatar* avatar)
 	}
 	
 	{ //create alpha mask based on depth buffer (grey out if muted)
+		LLFastTimer t(FTM_IMPOSTOR_BACKGROUND);
 		if (LLPipeline::sRenderDeferred)
 		{
 			GLuint buff = GL_COLOR_ATTACHMENT0;
@@ -10142,22 +10206,22 @@ BOOL LLPipeline::hasRenderBatches(const U32 type) const
 	return sCull->getRenderMapSize(type) > 0;
 }
 
-LLCullResult::drawinfo_list_t::iterator LLPipeline::beginRenderMap(U32 type)
+LLCullResult::drawinfo_iterator LLPipeline::beginRenderMap(U32 type)
 {
 	return sCull->beginRenderMap(type);
 }
 
-LLCullResult::drawinfo_list_t::iterator LLPipeline::endRenderMap(U32 type)
+LLCullResult::drawinfo_iterator LLPipeline::endRenderMap(U32 type)
 {
 	return sCull->endRenderMap(type);
 }
 
-LLCullResult::sg_list_t::iterator LLPipeline::beginAlphaGroups()
+LLCullResult::sg_iterator LLPipeline::beginAlphaGroups()
 {
 	return sCull->beginAlphaGroups();
 }
 
-LLCullResult::sg_list_t::iterator LLPipeline::endAlphaGroups()
+LLCullResult::sg_iterator LLPipeline::endAlphaGroups()
 {
 	return sCull->endAlphaGroups();
 }
diff --git a/indra/newview/pipeline.h b/indra/newview/pipeline.h
index ef1fd3279d..368be1c14d 100644
--- a/indra/newview/pipeline.h
+++ b/indra/newview/pipeline.h
@@ -294,10 +294,10 @@ public:
 	void setLight(LLDrawable *drawablep, BOOL is_light);
 	
 	BOOL hasRenderBatches(const U32 type) const;
-	LLCullResult::drawinfo_list_t::iterator beginRenderMap(U32 type);
-	LLCullResult::drawinfo_list_t::iterator endRenderMap(U32 type);
-	LLCullResult::sg_list_t::iterator beginAlphaGroups();
-	LLCullResult::sg_list_t::iterator endAlphaGroups();
+	LLCullResult::drawinfo_iterator beginRenderMap(U32 type);
+	LLCullResult::drawinfo_iterator endRenderMap(U32 type);
+	LLCullResult::sg_iterator beginAlphaGroups();
+	LLCullResult::sg_iterator endAlphaGroups();
 	
 
 	void addTrianglesDrawn(S32 index_count, U32 render_type = LLRender::TRIANGLES);
diff --git a/indra/newview/skins/default/xui/en/sidepanel_item_info.xml b/indra/newview/skins/default/xui/en/sidepanel_item_info.xml
index 54a312bd59..c5dfb703e5 100644
--- a/indra/newview/skins/default/xui/en/sidepanel_item_info.xml
+++ b/indra/newview/skins/default/xui/en/sidepanel_item_info.xml
@@ -11,6 +11,10 @@
 		 name="unknown">
         (unknown)
 	</panel.string>
+    <panel.string
+         name="unknown_multiple">
+        (unknown / multiple)
+    </panel.string>
 	<panel.string
 		 name="public">
         (public)