merge

36 files changed, 513 insertions, 182 deletions

diff --git a/indra/newview/app_settings/settings.xml b/indra/newview/app_settings/settings.xml
index ea00a0204d..0e26013152 100644
--- a/indra/newview/app_settings/settings.xml
+++ b/indra/newview/app_settings/settings.xml
@@ -9079,6 +9079,28 @@
       <key>Value</key>
       <integer>1</integer>
     </map>
+  <key>RenderAutoMuteByteLimit</key>
+  <map>
+    <key>Comment</key>
+    <string>Maximum bytes of attachments before an avatar is automatically visually muted (0 for no limit).</string>
+    <key>Persist</key>
+    <integer>1</integer>
+    <key>Type</key>
+    <string>U32</string>
+    <key>Value</key>
+    <integer>0</integer>
+  </map>
+  <key>RenderAutoMuteSurfaceAreaLimit</key>
+  <map>
+    <key>Comment</key>
+    <string>Maximum surface area of attachments before an avatar is automatically visually muted (0 for no limit).</string>
+    <key>Persist</key>
+    <integer>1</integer>
+    <key>Type</key>
+    <string>F32</string>
+    <key>Value</key>
+    <integer>0</integer>
+  </map>
     <key>RenderUseShaderLOD</key>
     <map>
       <key>Comment</key>
diff --git a/indra/newview/app_settings/shaders/class1/deferred/alphaSkinnedV.glsl b/indra/newview/app_settings/shaders/class1/deferred/alphaSkinnedV.glsl
index 0170ad4b55..40b0cf47ac 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/alphaSkinnedV.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/alphaSkinnedV.glsl
@@ -61,17 +61,17 @@ float calcPointLightOrSpotLight(vec3 v, vec3 n, vec4 lp, vec3 ln, float la, floa
 	vec3 lv = lp.xyz-v;
 	
 	//get distance
-	float d = length(lv);
+	float d = dot(lv,lv);
 	
 	float da = 0.0;
 
 	if (d > 0.0 && la > 0.0 && fa > 0.0)
 	{
 		//normalize light vector
-		lv *= 1.0/d;
+		lv = normalize(lv);
 	
 		//distance attenuation
-		float dist2 = d*d/(la*la);
+		float dist2 = d/la;
 		da = clamp(1.0-(dist2-1.0*(1.0-fa))/fa, 0.0, 1.0);
 
 		// spotlight coefficient.
@@ -79,7 +79,7 @@ float calcPointLightOrSpotLight(vec3 v, vec3 n, vec4 lp, vec3 ln, float la, floa
 		da *= spot*spot; // GL_SPOT_EXPONENT=2
 
 		//angular attenuation
-		da *= calcDirectionalLight(n, lv);
+		da *= max(dot(n, lv), 0.0);		
 	}
 
 	return da;	
diff --git a/indra/newview/app_settings/shaders/class1/deferred/alphaV.glsl b/indra/newview/app_settings/shaders/class1/deferred/alphaV.glsl
index 93b1a114db..8c96d55342 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/alphaV.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/alphaV.glsl
@@ -70,17 +70,17 @@ float calcPointLightOrSpotLight(vec3 v, vec3 n, vec4 lp, vec3 ln, float la, floa
 	vec3 lv = lp.xyz-v;
 	
 	//get distance
-	float d = length(lv);
+	float d = dot(lv,lv);
 	
 	float da = 0.0;
 
 	if (d > 0.0 && la > 0.0 && fa > 0.0)
 	{
 		//normalize light vector
-		lv *= 1.0/d;
+		lv = normalize(lv);
 	
 		//distance attenuation
-		float dist2 = d*d/(la*la);
+		float dist2 = d/la;
 		da = clamp(1.0-(dist2-1.0*(1.0-fa))/fa, 0.0, 1.0);
 
 		// spotlight coefficient.
@@ -88,7 +88,7 @@ float calcPointLightOrSpotLight(vec3 v, vec3 n, vec4 lp, vec3 ln, float la, floa
 		da *= spot*spot; // GL_SPOT_EXPONENT=2
 
 		//angular attenuation
-		da *= calcDirectionalLight(n, lv);
+		da *= max(dot(n, lv), 0.0);		
 	}
 
 	return da;	
@@ -123,7 +123,6 @@ void main()
 	col.rgb += light_diffuse[7].rgb*calcPointLightOrSpotLight(pos.xyz, norm, light_position[7], light_direction[7], light_attenuation[7].x, light_attenuation[7].y, light_attenuation[7].z);
 	
 	vary_pointlight_col = col.rgb*diffuse_color.rgb;
-
 	col.rgb = vec3(0,0,0);
 
 	// Add windlight lights
diff --git a/indra/newview/app_settings/shaders/class1/deferred/avatarAlphaV.glsl b/indra/newview/app_settings/shaders/class1/deferred/avatarAlphaV.glsl
index d7b90978ba..c0edddc40a 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/avatarAlphaV.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/avatarAlphaV.glsl
@@ -65,17 +65,17 @@ float calcPointLightOrSpotLight(vec3 v, vec3 n, vec4 lp, vec3 ln, float la, floa
 	vec3 lv = lp.xyz-v;
 	
 	//get distance
-	float d = length(lv);
+	float d = dot(lv,lv);
 	
 	float da = 0.0;
 
 	if (d > 0.0 && la > 0.0 && fa > 0.0)
 	{
 		//normalize light vector
-		lv *= 1.0/d;
+		lv = normalize(lv);
 	
 		//distance attenuation
-		float dist2 = d*d/(la*la);
+		float dist2 = d/la;
 		da = clamp(1.0-(dist2-1.0*(1.0-fa))/fa, 0.0, 1.0);
 
 		// spotlight coefficient.
@@ -83,7 +83,7 @@ float calcPointLightOrSpotLight(vec3 v, vec3 n, vec4 lp, vec3 ln, float la, floa
 		da *= spot*spot; // GL_SPOT_EXPONENT=2
 
 		//angular attenuation
-		da *= calcDirectionalLight(n, lv);
+		da *= max(dot(n, lv), 0.0);		
 	}
 
 	return da;	
diff --git a/indra/newview/app_settings/shaders/class2/deferred/alphaSkinnedV.glsl b/indra/newview/app_settings/shaders/class2/deferred/alphaSkinnedV.glsl
index 5a3955ef00..83815b1786 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/alphaSkinnedV.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/alphaSkinnedV.glsl
@@ -63,21 +63,21 @@ uniform vec3 light_diffuse[8];
 
 float calcPointLightOrSpotLight(vec3 v, vec3 n, vec4 lp, vec3 ln, float la, float fa, float is_pointlight)
 {
-	//get light vector
+//get light vector
 	vec3 lv = lp.xyz-v;
 	
 	//get distance
-	float d = length(lv);
+	float d = dot(lv,lv);
 	
 	float da = 0.0;
 
 	if (d > 0.0 && la > 0.0 && fa > 0.0)
 	{
 		//normalize light vector
-		lv *= 1.0/d;
+		lv = normalize(lv);
 	
 		//distance attenuation
-		float dist2 = d*d/(la*la);
+		float dist2 = d/la;
 		da = clamp(1.0-(dist2-1.0*(1.0-fa))/fa, 0.0, 1.0);
 
 		// spotlight coefficient.
@@ -85,7 +85,7 @@ float calcPointLightOrSpotLight(vec3 v, vec3 n, vec4 lp, vec3 ln, float la, floa
 		da *= spot*spot; // GL_SPOT_EXPONENT=2
 
 		//angular attenuation
-		da *= calcDirectionalLight(n, lv);
+		da *= max(dot(n, lv), 0.0);		
 	}
 
 	return da;	
diff --git a/indra/newview/app_settings/shaders/class2/deferred/alphaV.glsl b/indra/newview/app_settings/shaders/class2/deferred/alphaV.glsl
index 9540ddd2e8..1660f9687e 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/alphaV.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/alphaV.glsl
@@ -69,17 +69,17 @@ float calcPointLightOrSpotLight(vec3 v, vec3 n, vec4 lp, vec3 ln, float la, floa
 	vec3 lv = lp.xyz-v;
 	
 	//get distance
-	float d = length(lv);
+	float d = dot(lv,lv);
 	
 	float da = 0.0;
 
 	if (d > 0.0 && la > 0.0 && fa > 0.0)
 	{
 		//normalize light vector
-		lv *= 1.0/d;
+		lv = normalize(lv);
 	
 		//distance attenuation
-		float dist2 = d*d/(la*la);
+		float dist2 = d/la;
 		da = clamp(1.0-(dist2-1.0*(1.0-fa))/fa, 0.0, 1.0);
 
 		// spotlight coefficient.
@@ -87,7 +87,7 @@ float calcPointLightOrSpotLight(vec3 v, vec3 n, vec4 lp, vec3 ln, float la, floa
 		da *= spot*spot; // GL_SPOT_EXPONENT=2
 
 		//angular attenuation
-		da *= calcDirectionalLight(n, lv);
+		da *= max(dot(n, lv), 0.0);		
 	}
 
 	return da;	
diff --git a/indra/newview/app_settings/shaders/class2/deferred/avatarAlphaV.glsl b/indra/newview/app_settings/shaders/class2/deferred/avatarAlphaV.glsl
index 9c7a332417..84c27edb26 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/avatarAlphaV.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/avatarAlphaV.glsl
@@ -66,17 +66,17 @@ float calcPointLightOrSpotLight(vec3 v, vec3 n, vec4 lp, vec3 ln, float la, floa
 	vec3 lv = lp.xyz-v;
 	
 	//get distance
-	float d = length(lv);
+	float d = dot(lv,lv);
 	
 	float da = 0.0;
 
 	if (d > 0.0 && la > 0.0 && fa > 0.0)
 	{
 		//normalize light vector
-		lv *= 1.0/d;
+		lv = normalize(lv);
 	
 		//distance attenuation
-		float dist2 = d*d/(la*la);
+		float dist2 = d/la;
 		da = clamp(1.0-(dist2-1.0*(1.0-fa))/fa, 0.0, 1.0);
 
 		// spotlight coefficient.
@@ -84,7 +84,7 @@ float calcPointLightOrSpotLight(vec3 v, vec3 n, vec4 lp, vec3 ln, float la, floa
 		da *= spot*spot; // GL_SPOT_EXPONENT=2
 
 		//angular attenuation
-		da *= calcDirectionalLight(n, lv);
+		da *= max(dot(n, lv), 0.0);		
 	}
 
 	return da;	
diff --git a/indra/newview/llagent.cpp b/indra/newview/llagent.cpp
index 54ad3cd187..ab9b5ff436 100755
--- a/indra/newview/llagent.cpp
+++ b/indra/newview/llagent.cpp
@@ -3314,6 +3314,7 @@ void LLAgent::processAgentCachedTextureResponse(LLMessageSystem *mesgsys, void *
 	}
 
 	llinfos << "Received cached texture response for " << num_results << " textures." << llendl;
+	gAgentAvatarp->outputRezTiming("Fetched agent wearables textures from cache. Will now load them");
 
 	gAgentAvatarp->updateMeshTextures();
 
diff --git a/indra/newview/llagentwearables.cpp b/indra/newview/llagentwearables.cpp
index 13b62cb019..09305a5b4d 100644
--- a/indra/newview/llagentwearables.cpp
+++ b/indra/newview/llagentwearables.cpp
@@ -185,6 +185,7 @@ void LLAgentWearables::setAvatarObject(LLVOAvatarSelf *avatar)
 { 
 	if (avatar)
 	{
+		avatar->outputRezTiming("Sending wearables request");
 		sendAgentWearablesRequest();
 	}
 }
@@ -949,6 +950,11 @@ void LLAgentWearables::processAgentInitialWearablesUpdate(LLMessageSystem* mesgs
 	if (mInitialWearablesUpdateReceived)
 		return;
 
+	if (isAgentAvatarValid())
+	{
+		gAgentAvatarp->outputRezTiming("Received initial wearables update");
+	}
+
 	// notify subscribers that wearables started loading. See EXT-7777
 	// *TODO: find more proper place to not be called from deprecated method.
 	// Seems such place is found: LLInitialWearablesFetch::processContents()
@@ -1619,6 +1625,11 @@ void LLAgentWearables::queryWearableCache()
 	//VWR-22113: gAgent.getRegion() can return null if invalid, seen here on logout
 	if(gAgent.getRegion())
 	{
+		if (isAgentAvatarValid())
+		{
+			gAgentAvatarp->outputRezTiming("Fetching textures from cache");
+		}
+
 		llinfos << "Requesting texture cache entry for " << num_queries << " baked textures" << llendl;
 		gMessageSystem->sendReliable(gAgent.getRegion()->getHost());
 		gAgentQueryManager.mNumPendingQueries++;
diff --git a/indra/newview/llagentwearablesfetch.cpp b/indra/newview/llagentwearablesfetch.cpp
index 4097ff707c..8cba54347e 100644
--- a/indra/newview/llagentwearablesfetch.cpp
+++ b/indra/newview/llagentwearablesfetch.cpp
@@ -87,6 +87,10 @@ public:
 LLInitialWearablesFetch::LLInitialWearablesFetch(const LLUUID& cof_id) :
 	LLInventoryFetchDescendentsObserver(cof_id)
 {
+	if (isAgentAvatarValid())
+	{
+		gAgentAvatarp->outputRezTiming("Initial wearables fetch started");
+	}
 }
 
 LLInitialWearablesFetch::~LLInitialWearablesFetch()
@@ -101,6 +105,10 @@ void LLInitialWearablesFetch::done()
 	// idle tick instead.
 	gInventory.removeObserver(this);
 	doOnIdleOneTime(boost::bind(&LLInitialWearablesFetch::processContents,this));
+	if (isAgentAvatarValid())
+	{
+		gAgentAvatarp->outputRezTiming("Initial wearables fetch done");
+	}
 }
 
 void LLInitialWearablesFetch::add(InitialWearableData &data)
diff --git a/indra/newview/llagentwearablesfetch.h b/indra/newview/llagentwearablesfetch.h
index 7dafab4a33..bedc445c0e 100644
--- a/indra/newview/llagentwearablesfetch.h
+++ b/indra/newview/llagentwearablesfetch.h
@@ -40,6 +40,8 @@
 //--------------------------------------------------------------------
 class LLInitialWearablesFetch : public LLInventoryFetchDescendentsObserver
 {
+	LOG_CLASS(LLInitialWearablesFetch);
+
 public:
 	LLInitialWearablesFetch(const LLUUID& cof_id);
 	~LLInitialWearablesFetch();
diff --git a/indra/newview/llappearancemgr.cpp b/indra/newview/llappearancemgr.cpp
index 663257042e..33f5373d7e 100644
--- a/indra/newview/llappearancemgr.cpp
+++ b/indra/newview/llappearancemgr.cpp
@@ -268,6 +268,8 @@ struct LLFoundData
 	
 class LLWearableHoldingPattern
 {
+	LOG_CLASS(LLWearableHoldingPattern);
+
 public:
 	LLWearableHoldingPattern();
 	~LLWearableHoldingPattern();
@@ -436,6 +438,11 @@ void LLWearableHoldingPattern::checkMissingWearables()
 
 void LLWearableHoldingPattern::onAllComplete()
 {
+	if (isAgentAvatarValid())
+	{
+		gAgentAvatarp->outputRezTiming("Agent wearables fetch complete");
+	}
+
 	if (!isMostRecent())
 	{
 		llwarns << "skipping because LLWearableHolding pattern is invalid (superceded by later outfit request)" << llendl;
@@ -2363,6 +2370,8 @@ void LLAppearanceMgr::autopopulateOutfits()
 // Handler for anything that's deferred until avatar de-clouds.
 void LLAppearanceMgr::onFirstFullyVisible()
 {
+	gAgentAvatarp->outputRezTiming("Avatar fully loaded");
+	gAgentAvatarp->reportAvatarRezTime();
 	gAgentAvatarp->debugAvatarVisible();
 
 	// The auto-populate is failing at the point of generating outfits
diff --git a/indra/newview/lldrawable.cpp b/indra/newview/lldrawable.cpp
index debac9dcbf..21b21c152a 100644
--- a/indra/newview/lldrawable.cpp
+++ b/indra/newview/lldrawable.cpp
@@ -1077,6 +1077,7 @@ BOOL LLDrawable::isVisible() const
 LLSpatialBridge::LLSpatialBridge(LLDrawable* root, BOOL render_by_group, U32 data_mask)
 : LLSpatialPartition(data_mask, render_by_group, GL_STREAM_DRAW_ARB)
 {
+	mBridge = this;
 	mDrawable = root;
 	root->setSpatialBridge(this);
 	
@@ -1105,6 +1106,15 @@ LLSpatialBridge::~LLSpatialBridge()
 	{
 		group->mSpatialPartition->remove(this, group);
 	}
+
+	//delete octree here so listeners will still be able to access bridge specific state
+	destroyTree();
+}
+
+void LLSpatialBridge::destroyTree()
+{
+	delete mOctree;
+	mOctree = NULL;
 }
 
 void LLSpatialBridge::updateSpatialExtents()
diff --git a/indra/newview/lldrawpoolavatar.cpp b/indra/newview/lldrawpoolavatar.cpp
index 55b314fbb1..b002c11af5 100644
--- a/indra/newview/lldrawpoolavatar.cpp
+++ b/indra/newview/lldrawpoolavatar.cpp
@@ -1285,7 +1285,7 @@ void LLDrawPoolAvatar::updateRiggedFaceVertexBuffer(LLVOAvatar* avatar, LLFace*
 		face->setGeomIndex(0);
 		face->setIndicesIndex(0);
 		
-		if (buffer.isNull() || buffer->getTypeMask() != data_mask)
+		if (buffer.isNull() || buffer->getTypeMask() != data_mask || !buffer->isWriteable())
 		{ //make a new buffer
 			if (sShaderLevel > 0)
 			{
@@ -1319,7 +1319,9 @@ void LLDrawPoolAvatar::updateRiggedFaceVertexBuffer(LLVOAvatar* avatar, LLFace*
 		LLMatrix3 mat_normal(mat3);				
 
 		//let getGeometryVolume know if alpha should override shiny
-		if (face->getFaceColor().mV[3] < 1.f)
+		U32 type = gPipeline.getPoolTypeFromTE(face->getTextureEntry(), face->getTexture());
+
+		if (type == LLDrawPool::POOL_ALPHA)
 		{
 			face->setPoolType(LLDrawPool::POOL_ALPHA);
 		}
diff --git a/indra/newview/llface.cpp b/indra/newview/llface.cpp
index 6dbeae6677..cd33a19a2a 100644
--- a/indra/newview/llface.cpp
+++ b/indra/newview/llface.cpp
@@ -693,6 +693,49 @@ static void xform(LLVector2 &tex_coord, F32 cosAng, F32 sinAng, F32 offS, F32 of
 	tex_coord.mV[1] = t;
 }
 
+// Transform the texture coordinates for this face.
+static void xform4a(LLVector4a &tex_coord, const LLVector4a& trans, const LLVector4Logical& mask, const LLVector4a& rot0, const LLVector4a& rot1, const LLVector4a& offset, const LLVector4a& scale) 
+{
+	//tex coord is two coords, <s0, t0, s1, t1>
+	LLVector4a st;
+
+	// Texture transforms are done about the center of the face.
+	st.setAdd(tex_coord, trans);
+	
+	// Handle rotation
+	LLVector4a rot_st;
+		
+	// <s0 * cosAng, s0*-sinAng, s1*cosAng, s1*-sinAng>
+	LLVector4a s0;
+	s0.splat(st, 0);
+	LLVector4a s1;
+	s1.splat(st, 2);
+	LLVector4a ss;
+	ss.setSelectWithMask(mask, s1, s0);
+
+	LLVector4a a; 
+	a.setMul(rot0, ss);
+	
+	// <t0*sinAng, t0*cosAng, t1*sinAng, t1*cosAng>
+	LLVector4a t0;
+	t0.splat(st, 1);
+	LLVector4a t1;
+	t1.splat(st, 3);
+	LLVector4a tt;
+	tt.setSelectWithMask(mask, t1, t0);
+
+	LLVector4a b;
+	b.setMul(rot1, tt);
+		
+	st.setAdd(a,b);
+
+	// Then scale
+	st.mul(scale);
+
+	// Then offset
+	tex_coord.setAdd(st, offset);
+}
+
 
 bool less_than_max_mag(const LLVector4a& vec)
 {
@@ -1060,6 +1103,16 @@ static LLFastTimer::DeclareTimer FTM_FACE_GEOM_EMISSIVE("Emissive");
 static LLFastTimer::DeclareTimer FTM_FACE_GEOM_WEIGHTS("Weights");
 static LLFastTimer::DeclareTimer FTM_FACE_GEOM_BINORMAL("Binormal");
 static LLFastTimer::DeclareTimer FTM_FACE_GEOM_INDEX("Index");
+static LLFastTimer::DeclareTimer FTM_FACE_GEOM_INDEX_TAIL("Tail");
+static LLFastTimer::DeclareTimer FTM_FACE_POSITION_STORE("Pos");
+static LLFastTimer::DeclareTimer FTM_FACE_TEXTURE_INDEX_STORE("TexIdx");
+static LLFastTimer::DeclareTimer FTM_FACE_POSITION_PAD("Pad");
+static LLFastTimer::DeclareTimer FTM_FACE_TEX_DEFAULT("Default");
+static LLFastTimer::DeclareTimer FTM_FACE_TEX_QUICK("Quick");
+static LLFastTimer::DeclareTimer FTM_FACE_TEX_QUICK_NO_XFORM("No Xform");
+static LLFastTimer::DeclareTimer FTM_FACE_TEX_QUICK_XFORM("Xform");
+
+static LLFastTimer::DeclareTimer FTM_FACE_TEX_QUICK_PLANAR("Quick Planar");
 
 BOOL LLFace::getGeometryVolume(const LLVolume& volume,
 							   const S32 &f,
@@ -1078,7 +1131,9 @@ BOOL LLFace::getGeometryVolume(const LLVolume& volume,
 		updateRebuildFlags();
 	}
 
-	bool map_range = gGLManager.mHasMapBufferRange || gGLManager.mHasFlushBufferRange;
+
+	//don't use map range (generates many redundant unmap calls)
+	bool map_range = false; //gGLManager.mHasMapBufferRange || gGLManager.mHasFlushBufferRange;
 
 	if (mVertexBuffer.notNull())
 	{
@@ -1104,16 +1159,12 @@ BOOL LLFace::getGeometryVolume(const LLVolume& volume,
 	}
 
 	LLStrider<LLVector3> vert;
-	LLVector4a* vertices = NULL;
 	LLStrider<LLVector2> tex_coords;
 	LLStrider<LLVector2> tex_coords2;
-	LLVector4a* normals = NULL;
 	LLStrider<LLVector3> norm;
 	LLStrider<LLColor4U> colors;
-	LLVector4a* binormals = NULL;
 	LLStrider<LLVector3> binorm;
 	LLStrider<U16> indicesp;
-	LLVector4a* weights = NULL;
 	LLStrider<LLVector4> wght;
 
 	BOOL full_rebuild = force_rebuild || mDrawablep->isState(LLDrawable::REBUILD_VOLUME);
@@ -1202,7 +1253,7 @@ BOOL LLFace::getGeometryVolume(const LLVolume& volume,
 		LLFastTimer t(FTM_FACE_GEOM_INDEX);
 		mVertexBuffer->getIndexStrider(indicesp, mIndicesIndex, mIndicesCount, map_range);
 
-		__m128i* dst = (__m128i*) indicesp.get();
+		volatile __m128i* dst = (__m128i*) indicesp.get();
 		__m128i* src = (__m128i*) vf.mIndices;
 		__m128i offset = _mm_set1_epi16(index_offset);
 
@@ -1211,12 +1262,17 @@ BOOL LLFace::getGeometryVolume(const LLVolume& volume,
 		for (S32 i = 0; i < end; i++)
 		{
 			__m128i res = _mm_add_epi16(src[i], offset);
-			_mm_storeu_si128(dst+i, res);
+			_mm_storeu_si128((__m128i*) dst++, res);
 		}
 
-		for (S32 i = end*8; i < num_indices; ++i)
 		{
-			indicesp[i] = vf.mIndices[i]+index_offset;
+			LLFastTimer t(FTM_FACE_GEOM_INDEX_TAIL);
+			U16* idx = (U16*) dst;
+
+			for (S32 i = end*8; i < num_indices; ++i)
+			{
+				*idx++ = vf.mIndices[i]+index_offset;
+			}
 		}
 
 		if (map_range)
@@ -1373,19 +1429,48 @@ BOOL LLFace::getGeometryVolume(const LLVolume& volume,
 
 			if (texgen != LLTextureEntry::TEX_GEN_PLANAR)
 			{
+				LLFastTimer t(FTM_FACE_TEX_QUICK);
 				if (!do_tex_mat)
 				{
 					if (!do_xform)
 					{
+						LLFastTimer t(FTM_FACE_TEX_QUICK_NO_XFORM);
 						LLVector4a::memcpyNonAliased16((F32*) tex_coords.get(), (F32*) vf.mTexCoords, num_vertices*2*sizeof(F32));
 					}
 					else
 					{
-						for (S32 i = 0; i < num_vertices; i++)
+						LLFastTimer t(FTM_FACE_TEX_QUICK_XFORM);
+						F32* dst = (F32*) tex_coords.get();
+						LLVector4a* src = (LLVector4a*) vf.mTexCoords;
+
+						LLVector4a trans;
+						trans.splat(-0.5f);
+
+						LLVector4a rot0;
+						rot0.set(cos_ang, -sin_ang, cos_ang, -sin_ang);
+
+						LLVector4a rot1;
+						rot1.set(sin_ang, cos_ang, sin_ang, cos_ang);
+
+						LLVector4a scale;
+						scale.set(ms, mt, ms, mt);
+
+						LLVector4a offset;
+						offset.set(os+0.5f, ot+0.5f, os+0.5f, ot+0.5f);
+
+						LLVector4Logical mask;
+						mask.clear();
+						mask.setElement<2>();
+						mask.setElement<3>();
+
+						U32 count = num_vertices/2 + num_vertices%2;
+
+						for (S32 i = 0; i < count; i++)
 						{	
-							LLVector2 tc(vf.mTexCoords[i]);
-							xform(tc, cos_ang, sin_ang, os, ot, ms, mt);
-							*tex_coords++ = tc;	
+							LLVector4a res = *src++;
+							xform4a(res, trans, mask, rot0, rot1, offset, scale);
+							res.store4a(dst);
+							dst += 4;
 						}
 					}
 				}
@@ -1407,6 +1492,7 @@ BOOL LLFace::getGeometryVolume(const LLVolume& volume,
 			}
 			else
 			{ //no bump, no atlas, tex gen planar
+				LLFastTimer t(FTM_FACE_TEX_QUICK_PLANAR);
 				if (do_tex_mat)
 				{
 					for (S32 i = 0; i < num_vertices; i++)
@@ -1451,6 +1537,7 @@ BOOL LLFace::getGeometryVolume(const LLVolume& volume,
 		}
 		else
 		{ //either bump mapped or in atlas, just do the whole expensive loop
+			LLFastTimer t(FTM_FACE_TEX_DEFAULT);
 			mVertexBuffer->getTexCoord0Strider(tex_coords, mGeomIndex, mGeomCount, map_range);
 
 			std::vector<LLVector2> bump_tc;
@@ -1642,44 +1729,55 @@ BOOL LLFace::getGeometryVolume(const LLVolume& volume,
 		llassert(num_vertices > 0);
 		
 		mVertexBuffer->getVertexStrider(vert, mGeomIndex, mGeomCount, map_range);
-		vertices = (LLVector4a*) vert.get();
-	
+			
+
 		LLMatrix4a mat_vert;
 		mat_vert.loadu(mat_vert_in);
 
 		LLVector4a* src = vf.mPositions;
-		LLVector4a* dst = vertices;
+		volatile F32* dst = (volatile F32*) vert.get();
 
-		LLVector4a* end = dst+num_vertices;
-		do
-		{	
-			mat_vert.affineTransform(*src++, *dst++);
-		}
-		while(dst < end);
+		volatile F32* end = dst+num_vertices*4;
+		LLVector4a res;
 
-		F32 index = (F32) (mTextureIndex < 255 ? mTextureIndex : 0);
+		LLVector4a texIdx;
 
+		F32 index = (F32) (mTextureIndex < 255 ? mTextureIndex : 0);
 		llassert(index <= LLGLSLShader::sIndexedTextureChannels-1);
-		F32 *index_dst = (F32*) vertices;
-		F32 *index_end = (F32*) end;
 
-		index_dst += 3;
-		index_end += 3;
-		do
+		LLVector4Logical mask;
+		mask.clear();
+		mask.setElement<3>();
+		
+		texIdx.set(0,0,0,index);
+
 		{
-			*index_dst = index;
-			index_dst += 4;
+			LLFastTimer t(FTM_FACE_POSITION_STORE);
+			LLVector4a tmp;
+
+			do
+			{	
+				mat_vert.affineTransform(*src++, res);
+				tmp.setSelectWithMask(mask, texIdx, res);
+				tmp.store4a((F32*) dst);
+				dst += 4;
+			}
+			while(dst < end);
 		}
-		while (index_dst < index_end);
-		
-		S32 aligned_pad_vertices = mGeomCount - num_vertices;
-		LLVector4a* last_vec = end - 1;
-		while (aligned_pad_vertices > 0)
+
 		{
-			--aligned_pad_vertices;
-			*dst++ = *last_vec;
+			LLFastTimer t(FTM_FACE_POSITION_PAD);
+			S32 aligned_pad_vertices = mGeomCount - num_vertices;
+			res.set(res[0], res[1], res[2], 0.f);
+
+			while (aligned_pad_vertices > 0)
+			{
+				--aligned_pad_vertices;
+				res.store4a((F32*) dst);
+				dst += 4;
+			}
 		}
-		
+
 		if (map_range)
 		{
 			mVertexBuffer->flush();
@@ -1690,14 +1788,15 @@ BOOL LLFace::getGeometryVolume(const LLVolume& volume,
 	{
 		LLFastTimer t(FTM_FACE_GEOM_NORMAL);
 		mVertexBuffer->getNormalStrider(norm, mGeomIndex, mGeomCount, map_range);
-		normals = (LLVector4a*) norm.get();
+		F32* normals = (F32*) norm.get();
 	
 		for (S32 i = 0; i < num_vertices; i++)
 		{	
 			LLVector4a normal;
 			mat_normal.rotate(vf.mNormals[i], normal);
 			normal.normalize3fast();
-			normals[i] = normal;
+			normal.store4a(normals);
+			normals += 4;
 		}
 
 		if (map_range)
@@ -1710,14 +1809,15 @@ BOOL LLFace::getGeometryVolume(const LLVolume& volume,
 	{
 		LLFastTimer t(FTM_FACE_GEOM_BINORMAL);
 		mVertexBuffer->getBinormalStrider(binorm, mGeomIndex, mGeomCount, map_range);
-		binormals = (LLVector4a*) binorm.get();
+		F32* binormals = (F32*) binorm.get();
 		
 		for (S32 i = 0; i < num_vertices; i++)
 		{	
 			LLVector4a binormal;
 			mat_normal.rotate(vf.mBinormals[i], binormal);
 			binormal.normalize3fast();
-			binormals[i] = binormal;
+			binormal.store4a(binormals);
+			binormals += 4;
 		}
 
 		if (map_range)
@@ -1730,8 +1830,8 @@ BOOL LLFace::getGeometryVolume(const LLVolume& volume,
 	{
 		LLFastTimer t(FTM_FACE_GEOM_WEIGHTS);
 		mVertexBuffer->getWeight4Strider(wght, mGeomIndex, mGeomCount, map_range);
-		weights = (LLVector4a*) wght.get();
-		LLVector4a::memcpyNonAliased16((F32*) weights, (F32*) vf.mWeights, num_vertices*4*sizeof(F32));
+		F32* weights = (F32*) wght.get();
+		LLVector4a::memcpyNonAliased16(weights, (F32*) vf.mWeights, num_vertices*4*sizeof(F32));
 		if (map_range)
 		{
 			mVertexBuffer->flush();
@@ -1750,7 +1850,7 @@ BOOL LLFace::getGeometryVolume(const LLVolume& volume,
 		
 		src.loadua((F32*) vec);
 
-		LLVector4a* dst = (LLVector4a*) colors.get();
+		F32* dst = (F32*) colors.get();
 		S32 num_vecs = num_vertices/4;
 		if (num_vertices%4 > 0)
 		{
@@ -1759,7 +1859,8 @@ BOOL LLFace::getGeometryVolume(const LLVolume& volume,
 
 		for (S32 i = 0; i < num_vecs; i++)
 		{	
-			dst[i] = src;
+			src.store4a(dst);
+			dst += 4;
 		}
 
 		if (map_range)
@@ -1789,7 +1890,7 @@ BOOL LLFace::getGeometryVolume(const LLVolume& volume,
 		
 		src.loadua((F32*) vec);
 
-		LLVector4a* dst = (LLVector4a*) emissive.get();
+		F32* dst = (F32*) emissive.get();
 		S32 num_vecs = num_vertices/4;
 		if (num_vertices%4 > 0)
 		{
@@ -1798,7 +1899,8 @@ BOOL LLFace::getGeometryVolume(const LLVolume& volume,
 
 		for (S32 i = 0; i < num_vecs; i++)
 		{	
-			dst[i] = src;
+			src.store4a(dst);
+			dst += 4;
 		}
 
 		if (map_range)
@@ -1821,6 +1923,7 @@ BOOL LLFace::getGeometryVolume(const LLVolume& volume,
 		mTexExtents[1][1] *= et ;
 	}
 
+
 	mLastVertexBuffer = mVertexBuffer;
 	mLastGeomCount = mGeomCount;
 	mLastGeomIndex = mGeomIndex;
diff --git a/indra/newview/llfloatermodelpreview.cpp b/indra/newview/llfloatermodelpreview.cpp
index 64bdcccd9f..9122e5a8f5 100755
--- a/indra/newview/llfloatermodelpreview.cpp
+++ b/indra/newview/llfloatermodelpreview.cpp
@@ -3969,7 +3969,7 @@ void LLModelPreview::genLODs(S32 which_lod, U32 decimation, bool enforce_tri_lim
 				U32 num_indices = mVertexBuffer[5][mdl][i]->getNumIndices();
 				if (num_indices > 2)
 				{
-					glodInsertElements(mObject[mdl], i, GL_TRIANGLES, num_indices, GL_UNSIGNED_SHORT, mVertexBuffer[5][mdl][i]->getIndicesPointer(), 0, 0.f);
+					glodInsertElements(mObject[mdl], i, GL_TRIANGLES, num_indices, GL_UNSIGNED_SHORT, (U8*) mVertexBuffer[5][mdl][i]->getIndicesPointer(), 0, 0.f);
 				}
 				tri_count += num_indices/3;
 				stop_gloderror();
@@ -4083,14 +4083,14 @@ void LLModelPreview::genLODs(S32 which_lod, U32 decimation, bool enforce_tri_lim
 				{
 					buff->allocateBuffer(sizes[i*2+1], sizes[i*2], true);
 					buff->setBuffer(type_mask);
-					glodFillElements(mObject[base], names[i], GL_UNSIGNED_SHORT, buff->getIndicesPointer());
+					glodFillElements(mObject[base], names[i], GL_UNSIGNED_SHORT, (U8*) buff->getIndicesPointer());
 					stop_gloderror();
 				}
 				else
 				{ //this face was eliminated, create a dummy triangle (one vertex, 3 indices, all 0)
 					buff->allocateBuffer(1, 3, true);
-					memset(buff->getMappedData(), 0, buff->getSize());
-					memset(buff->getIndicesPointer(), 0, buff->getIndicesSize());
+					memset((U8*) buff->getMappedData(), 0, buff->getSize());
+					memset((U8*) buff->getIndicesPointer(), 0, buff->getIndicesSize());
 				}
 
 				buff->validateRange(0, buff->getNumVerts()-1, buff->getNumIndices(), 0);
@@ -4880,8 +4880,8 @@ void LLModelPreview::addEmptyFace( LLModel* pTarget )
 	LLPointer<LLVertexBuffer> buff = new LLVertexBuffer(type_mask, 0);
 	
 	buff->allocateBuffer(1, 3, true);
-	memset( buff->getMappedData(), 0, buff->getSize() );
-	memset( buff->getIndicesPointer(), 0, buff->getIndicesSize() );
+	memset( (U8*) buff->getMappedData(), 0, buff->getSize() );
+	memset( (U8*) buff->getIndicesPointer(), 0, buff->getIndicesSize() );
 		
 	buff->validateRange( 0, buff->getNumVerts()-1, buff->getNumIndices(), 0 );
 		
diff --git a/indra/newview/llmeshrepository.cpp b/indra/newview/llmeshrepository.cpp
index c64479f589..b02bf79a28 100644..100755
--- a/indra/newview/llmeshrepository.cpp
+++ b/indra/newview/llmeshrepository.cpp
@@ -88,6 +88,9 @@ const S32 MAX_MESH_VERSION = 999;
 U32 LLMeshRepository::sBytesReceived = 0;
 U32 LLMeshRepository::sHTTPRequestCount = 0;
 U32 LLMeshRepository::sHTTPRetryCount = 0;
+U32 LLMeshRepository::sLODProcessing = 0;
+U32 LLMeshRepository::sLODPending = 0;
+
 U32 LLMeshRepository::sCacheBytesRead = 0;
 U32 LLMeshRepository::sCacheBytesWritten = 0;
 U32 LLMeshRepository::sPeakKbps = 0;
@@ -205,6 +208,12 @@ public:
 	LLMeshHeaderResponder(const LLVolumeParams& mesh_params)
 		: mMeshParams(mesh_params)
 	{
+		LLMeshRepoThread::sActiveHeaderRequests++;
+	}
+
+	~LLMeshHeaderResponder()
+	{
+		LLMeshRepoThread::sActiveHeaderRequests--;
 	}
 
 	virtual void completedRaw(U32 status, const std::string& reason,
@@ -224,6 +233,12 @@ public:
 	LLMeshLODResponder(const LLVolumeParams& mesh_params, S32 lod, U32 offset, U32 requested_bytes)
 		: mMeshParams(mesh_params), mLOD(lod), mOffset(offset), mRequestedBytes(requested_bytes)
 	{
+		LLMeshRepoThread::sActiveLODRequests++;
+	}
+
+	~LLMeshLODResponder()
+	{
+		LLMeshRepoThread::sActiveLODRequests--;
 	}
 
 	virtual void completedRaw(U32 status, const std::string& reason,
@@ -497,6 +512,7 @@ void LLMeshRepoThread::run()
 					mMutex->lock();
 					LODRequest req = mLODReqQ.front();
 					mLODReqQ.pop();
+					LLMeshRepository::sLODProcessing--;
 					mMutex->unlock();
 					if (!fetchMeshLOD(req.mMeshParams, req.mLOD, count))//failed, resubmit
 					{
@@ -607,6 +623,7 @@ void LLMeshRepoThread::loadMeshLOD(const LLVolumeParams& mesh_params, S32 lod)
 		{
 			LLMutexLock lock(mMutex);
 			mLODReqQ.push(req);
+			LLMeshRepository::sLODProcessing++;
 		}
 	}
 	else
@@ -714,7 +731,6 @@ bool LLMeshRepoThread::fetchMeshSkinInfo(const LLUUID& mesh_id)
 										   new LLMeshSkinInfoResponder(mesh_id, offset, size));
 				if(ret)
 				{
-					++sActiveLODRequests;
 					LLMeshRepository::sHTTPRequestCount++;
 				}
 			}
@@ -792,7 +808,6 @@ bool LLMeshRepoThread::fetchMeshDecomposition(const LLUUID& mesh_id)
 										   new LLMeshDecompositionResponder(mesh_id, offset, size));
 				if(ret)
 				{
-					++sActiveLODRequests;
 					LLMeshRepository::sHTTPRequestCount++;
 				}
 			}
@@ -870,7 +885,6 @@ bool LLMeshRepoThread::fetchMeshPhysicsShape(const LLUUID& mesh_id)
 
 				if(ret)
 				{
-					++sActiveLODRequests;
 					LLMeshRepository::sHTTPRequestCount++;
 				}
 			}
@@ -925,7 +939,6 @@ bool LLMeshRepoThread::fetchMeshHeader(const LLVolumeParams& mesh_params, U32& c
 		retval = mCurlRequest->getByteRange(http_url, headers, 0, 4096, new LLMeshHeaderResponder(mesh_params));
 		if(retval)
 		{
-			++sActiveHeaderRequests;
 			LLMeshRepository::sHTTPRequestCount++;
 		}
 		count++;
@@ -995,7 +1008,6 @@ bool LLMeshRepoThread::fetchMeshLOD(const LLVolumeParams& mesh_params, S32 lod,
 
 				if(retval)
 				{
-					++sActiveLODRequests;				
 					LLMeshRepository::sHTTPRequestCount++;
 				}
 				count++;
@@ -1070,6 +1082,7 @@ bool LLMeshRepoThread::headerReceived(const LLVolumeParams& mesh_params, U8* dat
 			{
 				LODRequest req(mesh_params, iter->second[i]);
 				mLODReqQ.push(req);
+				LLMeshRepository::sLODProcessing++;
 			}
 		}
 		mPendingLOD.erase(iter);
@@ -1753,7 +1766,6 @@ void LLMeshLODResponder::completedRaw(U32 status, const std::string& reason,
 							  const LLIOPipe::buffer_ptr_t& buffer)
 {
 
-	LLMeshRepoThread::sActiveLODRequests--;
 	S32 data_size = buffer->countAfter(channels.in(), NULL);
 
 	if (status < 200 || status > 400)
@@ -1970,7 +1982,6 @@ void LLMeshHeaderResponder::completedRaw(U32 status, const std::string& reason,
 							  const LLChannelDescriptors& channels,
 							  const LLIOPipe::buffer_ptr_t& buffer)
 {
-	LLMeshRepoThread::sActiveHeaderRequests--;
 	if (status < 200 || status > 400)
 	{
 		//llwarns
@@ -2188,6 +2199,7 @@ S32 LLMeshRepository::loadMesh(LLVOVolume* vobj, const LLVolumeParams& mesh_para
 			//first request for this mesh
 			mLoadingMeshes[detail][mesh_params].insert(vobj->getID());
 			mPendingRequests.push_back(LLMeshRepoThread::LODRequest(mesh_params, detail));
+			LLMeshRepository::sLODPending++;
 		}
 	}
 
@@ -2400,6 +2412,7 @@ void LLMeshRepository::notifyLoadedMeshes()
 			LLMeshRepoThread::LODRequest& request = mPendingRequests.front();
 			mThread->loadMeshLOD(request.mMeshParams, request.mLOD);
 			mPendingRequests.erase(mPendingRequests.begin());
+			LLMeshRepository::sLODPending--;
 			push_count--;
 		}
 	}
diff --git a/indra/newview/llmeshrepository.h b/indra/newview/llmeshrepository.h
index 2efe810438..da81bb057b 100644
--- a/indra/newview/llmeshrepository.h
+++ b/indra/newview/llmeshrepository.h
@@ -441,6 +441,8 @@ public:
 	static U32 sBytesReceived;
 	static U32 sHTTPRequestCount;
 	static U32 sHTTPRetryCount;
+	static U32 sLODPending;
+	static U32 sLODProcessing;
 	static U32 sCacheBytesRead;
 	static U32 sCacheBytesWritten;
 	static U32 sPeakKbps;
diff --git a/indra/newview/llselectmgr.cpp b/indra/newview/llselectmgr.cpp
index 5d0d1ef9a3..6111255a66 100644
--- a/indra/newview/llselectmgr.cpp
+++ b/indra/newview/llselectmgr.cpp
@@ -5556,38 +5556,37 @@ BOOL LLSelectNode::allowOperationOnNode(PermissionBit op, U64 group_proxy_power)
 //helper function for pushing relevant vertices from drawable to GL
 void pushWireframe(LLDrawable* drawable)
 {
-	if (drawable->isState(LLDrawable::RIGGED))
-	{ //render straight from rigged volume if this is a rigged attachment
-		LLVOVolume* vobj = drawable->getVOVolume();
-		if (vobj)
-		{
-			vobj->updateRiggedVolume();
-			LLRiggedVolume* rigged_volume = vobj->getRiggedVolume();
-			if (rigged_volume)
-			{
-				LLVertexBuffer::unbind();
-				gGL.pushMatrix();
-				gGL.multMatrix((F32*) vobj->getRelativeXform().mMatrix);
-				for (S32 i = 0; i < rigged_volume->getNumVolumeFaces(); ++i)
-				{
-					const LLVolumeFace& face = rigged_volume->getVolumeFace(i);
-					LLVertexBuffer::drawElements(LLRender::TRIANGLES, face.mPositions, face.mTexCoords, face.mNumIndices, face.mIndices);
-				}
-				gGL.popMatrix();
-			}
-		}
-	}
-	else
+	LLVOVolume* vobj = drawable->getVOVolume();
+	if (vobj)
 	{
-		for (S32 i = 0; i < drawable->getNumFaces(); ++i)
+		LLVertexBuffer::unbind();
+		gGL.pushMatrix();
+		gGL.multMatrix((F32*) vobj->getRelativeXform().mMatrix);
+
+		LLVolume* volume = NULL;
+
+		if (drawable->isState(LLDrawable::RIGGED))
+		{
+				vobj->updateRiggedVolume();
+				volume = vobj->getRiggedVolume();
+		}
+		else
+		{
+			volume = vobj->getVolume();
+		}
+
+		if (volume)
 		{
-			LLFace* face = drawable->getFace(i);
-			if (face->verify())
+			for (S32 i = 0; i < volume->getNumVolumeFaces(); ++i)
 			{
-				pushVerts(face, LLVertexBuffer::MAP_VERTEX | LLVertexBuffer::MAP_TEXCOORD0);
+				const LLVolumeFace& face = volume->getVolumeFace(i);
+				LLVertexBuffer::drawElements(LLRender::TRIANGLES, face.mPositions, face.mTexCoords, face.mNumIndices, face.mIndices);
 			}
 		}
+
+		gGL.popMatrix();
 	}
+	
 }
 
 void LLSelectNode::renderOneWireframe(const LLColor4& color)
diff --git a/indra/newview/llspatialpartition.cpp b/indra/newview/llspatialpartition.cpp
index 900f126049..5d196a465f 100644
--- a/indra/newview/llspatialpartition.cpp
+++ b/indra/newview/llspatialpartition.cpp
@@ -264,7 +264,7 @@ static LLFastTimer::DeclareTimer FTM_BUILD_OCCLUSION("Build Occlusion");
 
 void LLSpatialGroup::buildOcclusion()
 {
-	if (mOcclusionVerts.isNull())
+	//if (mOcclusionVerts.isNull())
 	{
 		mOcclusionVerts = new LLVertexBuffer(LLVertexBuffer::MAP_VERTEX, 
 			LLVertexBuffer::sUseStreamDraw ? mBufferUsage : 0); //if GL has a hard time with VBOs, don't use them for occlusion culling.
@@ -726,7 +726,9 @@ void LLSpatialPartition::rebuildGeom(LLSpatialGroup* group)
 	if (vertex_count > 0 && index_count > 0)
 	{ //create vertex buffer containing volume geometry for this node
 		group->mBuilt = 1.f;
-		if (group->mVertexBuffer.isNull() || (group->mBufferUsage != group->mVertexBuffer->getUsage() && LLVertexBuffer::sEnableVBOs))
+		if (group->mVertexBuffer.isNull() ||
+			!group->mVertexBuffer->isWriteable() ||
+			(group->mBufferUsage != group->mVertexBuffer->getUsage() && LLVertexBuffer::sEnableVBOs))
 		{
 			group->mVertexBuffer = createVertexBuffer(mVertexDataMask, group->mBufferUsage);
 			group->mVertexBuffer->allocateBuffer(vertex_count, index_count, true);
@@ -1185,6 +1187,8 @@ void LLSpatialGroup::clearOcclusionState(U32 state, S32 mode)
 
 LLSpatialGroup::LLSpatialGroup(OctreeNode* node, LLSpatialPartition* part) :
 	mState(0),
+	mGeometryBytes(0),
+	mSurfaceArea(0.f),
 	mBuilt(0.f),
 	mOctreeNode(node),
 	mSpatialPartition(part),
@@ -1410,6 +1414,17 @@ void LLSpatialGroup::handleDestruction(const TreeNode* node)
 		}
 	}
 	
+	//clean up avatar attachment stats
+	LLSpatialBridge* bridge = mSpatialPartition->asBridge();
+	if (bridge)
+	{
+		if (bridge->mAvatar.notNull())
+		{
+			bridge->mAvatar->mAttachmentGeometryBytes -= mGeometryBytes;
+			bridge->mAvatar->mAttachmentSurfaceArea -= mSurfaceArea;
+		}
+	}
+
 	clearDrawMap();
 	mVertexBuffer = NULL;
 	mBufferMap.clear();
@@ -1765,7 +1780,7 @@ void LLSpatialGroup::doOcclusion(LLCamera* camera)
 //==============================================
 
 LLSpatialPartition::LLSpatialPartition(U32 data_mask, BOOL render_by_group, U32 buffer_usage)
-: mRenderByGroup(render_by_group)
+: mRenderByGroup(render_by_group), mBridge(NULL)
 {
 	LLMemType mt(LLMemType::MTYPE_SPACE_PARTITION);
 	mOcclusionEnabled = TRUE;
diff --git a/indra/newview/llspatialpartition.h b/indra/newview/llspatialpartition.h
index 899547ae4d..6c14ecf452 100644
--- a/indra/newview/llspatialpartition.h
+++ b/indra/newview/llspatialpartition.h
@@ -405,6 +405,9 @@ public:
 	bridge_list_t mBridgeList;
 	buffer_map_t mBufferMap; //used by volume buffers to attempt to reuse vertex buffers
 
+	U32 mGeometryBytes; //used by volumes to track how many bytes of geometry data are in this node
+	F32 mSurfaceArea; //used by volumes to track estimated surface area of geometry in this node
+
 	F32 mBuilt;
 	OctreeNode* mOctreeNode;
 	LLSpatialPartition* mSpatialPartition;
@@ -474,8 +477,8 @@ public:
 	BOOL isVisible(const LLVector3& v);
 	bool isHUDPartition() ;
 	
-	virtual LLSpatialBridge* asBridge() { return NULL; }
-	virtual BOOL isBridge() { return asBridge() != NULL; }
+	LLSpatialBridge* asBridge() { return mBridge; }
+	BOOL isBridge() { return asBridge() != NULL; }
 
 	void renderPhysicsShapes();
 	void renderDebug();
@@ -487,6 +490,9 @@ public:
 
 public:
 	LLSpatialGroup::OctreeNode* mOctree;
+	LLSpatialBridge* mBridge; // NULL for non-LLSpatialBridge instances, otherwise, mBridge == this
+							// use a pointer instead of making "isBridge" and "asBridge" virtual so it's safe
+							// to call asBridge() from the destructor
 	BOOL mOcclusionEnabled; // if TRUE, occlusion culling is performed
 	BOOL mInfiniteFarClip; // if TRUE, frustum culling ignores far clip plane
 	U32 mBufferUsage;
@@ -511,8 +517,9 @@ public:
 	
 	LLSpatialBridge(LLDrawable* root, BOOL render_by_group, U32 data_mask);
 	
-	virtual BOOL isSpatialBridge() const		{ return TRUE; }
+	void destroyTree();
 
+	virtual BOOL isSpatialBridge() const		{ return TRUE; }
 	virtual void updateSpatialExtents();
 	virtual void updateBinRadius();
 	virtual void setVisible(LLCamera& camera_in, std::vector<LLDrawable*>* results = NULL, BOOL for_select = FALSE);
@@ -523,11 +530,12 @@ public:
 	virtual void shiftPos(const LLVector4a& vec);
 	virtual void cleanupReferences();
 	virtual LLSpatialPartition* asPartition()		{ return this; }
-	virtual LLSpatialBridge* asBridge()				{ return this; }
-	
+		
 	virtual LLCamera transformCamera(LLCamera& camera);
 	
 	LLDrawable* mDrawable;
+	LLPointer<LLVOAvatar> mAvatar;
+
 };
 
 class LLCullResult 
diff --git a/indra/newview/lltexlayer.h b/indra/newview/lltexlayer.h
index 85dadb213c..4f43547dae 100644
--- a/indra/newview/lltexlayer.h
+++ b/indra/newview/lltexlayer.h
@@ -261,6 +261,8 @@ private:
 //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 class LLTexLayerSetBuffer : public LLViewerDynamicTexture
 {
+	LOG_CLASS(LLTexLayerSetBuffer);
+
 public:
 	LLTexLayerSetBuffer(LLTexLayerSet* const owner, S32 width, S32 height);
 	virtual ~LLTexLayerSetBuffer();
diff --git a/indra/newview/llviewermenu.cpp b/indra/newview/llviewermenu.cpp
index 67f6150dbe..99540ccce9 100644
--- a/indra/newview/llviewermenu.cpp
+++ b/indra/newview/llviewermenu.cpp
@@ -947,6 +947,10 @@ U32 info_display_from_string(std::string info_display)
 	{
 		return LLPipeline::RENDER_DEBUG_COMPOSITION;
 	}
+	else if ("attachment bytes" == info_display)
+	{
+		return LLPipeline::RENDER_DEBUG_ATTACHMENT_BYTES;
+	}
 	else if ("glow" == info_display)
 	{
 		return LLPipeline::RENDER_DEBUG_GLOW;
diff --git a/indra/newview/llviewerobject.cpp b/indra/newview/llviewerobject.cpp
index b8772971aa..37fb77a10a 100644
--- a/indra/newview/llviewerobject.cpp
+++ b/indra/newview/llviewerobject.cpp
@@ -5520,11 +5520,12 @@ void LLViewerObject::dirtyMesh()
 {
 	if (mDrawable)
 	{
-		LLSpatialGroup* group = mDrawable->getSpatialGroup();
+		gPipeline.markRebuild(mDrawable, LLDrawable::REBUILD_ALL);
+		/*LLSpatialGroup* group = mDrawable->getSpatialGroup();
 		if (group)
 		{
 			group->dirtyMesh();
-		}
+		}*/
 	}
 }
 
diff --git a/indra/newview/llviewerwindow.cpp b/indra/newview/llviewerwindow.cpp
index bf698e02d2..8a713ae22c 100644
--- a/indra/newview/llviewerwindow.cpp
+++ b/indra/newview/llviewerwindow.cpp
@@ -613,7 +613,9 @@ public:
 				
 				addText(xpos, ypos, llformat("%d/%d Mesh HTTP Requests/Retries", LLMeshRepository::sHTTPRequestCount,
 					LLMeshRepository::sHTTPRetryCount));
-				
+				ypos += y_inc;
+
+				addText(xpos, ypos, llformat("%d/%d Mesh LOD Pending/Processing", LLMeshRepository::sLODPending, LLMeshRepository::sLODProcessing));
 				ypos += y_inc;
 
 				addText(xpos, ypos, llformat("%.3f/%.3f MB Mesh Cache Read/Write ", LLMeshRepository::sCacheBytesRead/(1024.f*1024.f), LLMeshRepository::sCacheBytesWritten/(1024.f*1024.f)));
@@ -1971,7 +1973,7 @@ void LLViewerWindow::shutdownViews()
 		gMorphView->setVisible(FALSE);
 	}
 	llinfos << "Global views cleaned." << llendl ;
-
+	
 	// DEV-40930: Clear sModalStack. Otherwise, any LLModalDialog left open
 	// will crump with LL_ERRS.
 	LLModalDialog::shutdownModals();
@@ -1984,17 +1986,17 @@ void LLViewerWindow::shutdownViews()
 		delete LLNavigationBar::getInstance();
 	}
 	llinfos << "LLNavigationBar destroyed." << llendl ;
-
+	
 	// destroy menus after instantiating navbar above, as it needs
 	// access to gMenuHolder
 	cleanup_menus();
 	llinfos << "menus destroyed." << llendl ;
-
+	
 	// Delete all child views.
 	delete mRootView;
 	mRootView = NULL;
 	llinfos << "RootView deleted." << llendl ;
-
+	
 	// Automatically deleted as children of mRootView.  Fix the globals.
 	gStatusBar = NULL;
 	gIMMgr = NULL;
diff --git a/indra/newview/llvoavatar.cpp b/indra/newview/llvoavatar.cpp
index 68637a7ed9..bc7f5a9744 100644
--- a/indra/newview/llvoavatar.cpp
+++ b/indra/newview/llvoavatar.cpp
@@ -651,6 +651,8 @@ LLVOAvatar::LLVOAvatar(const LLUUID& id,
 	LLViewerObject(id, pcode, regionp),
 	mIsDummy(FALSE),
 	mSpecialRenderMode(0),
+	mAttachmentGeometryBytes(0),
+	mAttachmentSurfaceArea(0.f),
 	mTurning(FALSE),
 	mPelvisToFoot(0.f),
 	mLastSkeletonSerialNum( 0 ),
@@ -3363,6 +3365,16 @@ void LLVOAvatar::slamPosition()
 	mRoot.updateWorldMatrixChildren();
 }
 
+bool LLVOAvatar::isVisuallyMuted()
+{
+	static LLCachedControl<U32> max_attachment_bytes(gSavedSettings, "RenderAutoMuteByteLimit");
+	static LLCachedControl<F32> max_attachment_area(gSavedSettings, "RenderAutoMuteSurfaceAreaLimit");
+	
+	return LLMuteList::getInstance()->isMuted(getID()) ||
+			(mAttachmentGeometryBytes > max_attachment_bytes && max_attachment_bytes > 0) ||
+			(mAttachmentSurfaceArea > max_attachment_area && max_attachment_area > 0.f);
+}
+
 //------------------------------------------------------------------------
 // updateCharacter()
 // called on both your avatar and other avatars
@@ -3429,8 +3441,9 @@ BOOL LLVOAvatar::updateCharacter(LLAgent &agent)
 		size.setSub(ext[1],ext[0]);
 		F32 mag = size.getLength3().getF32()*0.5f;
 
+		
 		F32 impostor_area = 256.f*512.f*(8.125f - LLVOAvatar::sLODFactor*8.f);
-		if (LLMuteList::getInstance()->isMuted(getID()))
+		if (isVisuallyMuted())
 		{ // muted avatars update at 16 hz
 			mUpdatePeriod = 16;
 		}
@@ -8333,6 +8346,11 @@ void LLVOAvatar::idleUpdateRenderCost()
 
 	static std::set<LLUUID> all_textures;
 
+	if (gPipeline.hasRenderDebugMask(LLPipeline::RENDER_DEBUG_ATTACHMENT_BYTES))
+	{ //set debug text to attachment geometry bytes here so render cost will override
+		setDebugText(llformat("%.1f KB, %.2f m^2", mAttachmentGeometryBytes/1024.f, mAttachmentSurfaceArea));
+	}
+
 	if (!gPipeline.hasRenderDebugMask(LLPipeline::RENDER_DEBUG_SHAME))
 	{
 		return;
diff --git a/indra/newview/llvoavatar.h b/indra/newview/llvoavatar.h
index 59796370ae..dd0317f555 100644
--- a/indra/newview/llvoavatar.h
+++ b/indra/newview/llvoavatar.h
@@ -78,6 +78,8 @@ class LLVOAvatar :
 	public LLCharacter,
 	public boost::signals2::trackable
 {
+	LOG_CLASS(LLVOAvatar);
+
 public:
 	friend class LLVOAvatarSelf;
 protected:
@@ -380,6 +382,8 @@ private:
 
 public:
 	U32 		renderImpostor(LLColor4U color = LLColor4U(255,255,255,255), S32 diffuse_channel = 0);
+	bool		isVisuallyMuted();
+
 	U32 		renderRigid();
 	U32 		renderSkinned(EAvatarRenderPass pass);
 	F32			getLastSkinTime() { return mLastSkinTime; }
@@ -391,6 +395,9 @@ public:
 	static void	restoreGL();
 	BOOL 		mIsDummy; // for special views
 	S32			mSpecialRenderMode; // special lighting
+	U32			mAttachmentGeometryBytes; //number of bytes in attached geometry
+	F32			mAttachmentSurfaceArea; //estimated surface area of attachments
+
 private:
 	bool		shouldAlphaMask();
 
diff --git a/indra/newview/llvoavatarself.cpp b/indra/newview/llvoavatarself.cpp
index 581912f844..f1df67494f 100644
--- a/indra/newview/llvoavatarself.cpp
+++ b/indra/newview/llvoavatarself.cpp
@@ -1574,7 +1574,7 @@ void LLVOAvatarSelf::invalidateAll()
 	{
 		invalidateComposite(mBakedTextureDatas[i].mTexLayerSet, TRUE);
 	}
-	mDebugSelfLoadTimer.reset();
+	//mDebugSelfLoadTimer.reset();
 }
 
 //-----------------------------------------------------------------------------
@@ -1896,11 +1896,13 @@ BOOL LLVOAvatarSelf::getIsCloud()
 		gAgentWearables.getWearableCount(LLWearableType::WT_EYES) == 0 ||
 		gAgentWearables.getWearableCount(LLWearableType::WT_SKIN) == 0)	
 	{
+		lldebugs << "No body parts" << llendl;
 		return TRUE;
 	}
 
 	if (!isTextureDefined(TEX_HAIR, 0))
 	{
+		lldebugs << "No hair texture" << llendl;
 		return TRUE;
 	}
 
@@ -1909,12 +1911,14 @@ BOOL LLVOAvatarSelf::getIsCloud()
 		if (!isLocalTextureDataAvailable(mBakedTextureDatas[BAKED_LOWER].mTexLayerSet) &&
 			(!isTextureDefined(TEX_LOWER_BAKED, 0)))
 		{
+			lldebugs << "Lower textures not baked" << llendl;
 			return TRUE;
 		}
 
 		if (!isLocalTextureDataAvailable(mBakedTextureDatas[BAKED_UPPER].mTexLayerSet) &&
 			(!isTextureDefined(TEX_UPPER_BAKED, 0)))
 		{
+			lldebugs << "Upper textures not baked" << llendl;
 			return TRUE;
 		}
 
@@ -1931,10 +1935,12 @@ BOOL LLVOAvatarSelf::getIsCloud()
 			const LLViewerTexture* baked_img = getImage( texture_data.mTextureIndex, 0 );
 			if (!baked_img || !baked_img->hasGLTexture())
 			{
+				lldebugs << "Texture at index " << i << " (texture index is " << texture_data.mTextureIndex << ") is not loaded" << llendl;
 				return TRUE;
 			}
 		}
 
+		lldebugs << "Avatar de-clouded" << llendl;
 	}
 	return FALSE;
 }
@@ -2258,6 +2264,7 @@ void LLVOAvatarSelf::setNewBakedTexture( ETextureIndex te, const LLUUID& uuid )
 	}
 }
 
+// FIXME: This is never called. Something may be broken.
 void LLVOAvatarSelf::outputRezDiagnostics() const
 {
 	if(!gSavedSettings.getBOOL("DebugAvatarLocalTexLoadedTime"))
@@ -2315,6 +2322,18 @@ void LLVOAvatarSelf::outputRezDiagnostics() const
 	}
 }
 
+void LLVOAvatarSelf::outputRezTiming(const std::string& msg) const
+{
+	LL_DEBUGS("Avatar Rez")
+		<< llformat("%s. Time from avatar creation: %.2f", msg.c_str(), mDebugSelfLoadTimer.getElapsedTimeF32())
+		<< llendl;
+}
+
+void LLVOAvatarSelf::reportAvatarRezTime() const
+{
+	// TODO: report mDebugSelfLoadTimer.getElapsedTimeF32() somehow.
+}
+
 //-----------------------------------------------------------------------------
 // setCachedBakedTexture()
 // A baked texture id was received from a cache query, make it active
diff --git a/indra/newview/llvoavatarself.h b/indra/newview/llvoavatarself.h
index 74ff47a3e4..54dbe81993 100644
--- a/indra/newview/llvoavatarself.h
+++ b/indra/newview/llvoavatarself.h
@@ -41,6 +41,7 @@ struct LocalTextureData;
 class LLVOAvatarSelf :
 	public LLVOAvatar
 {
+	LOG_CLASS(LLVOAvatarSelf);
 
 /********************************************************************************
  **                                                                            **
@@ -358,6 +359,8 @@ public:
 	void 					debugWearablesLoaded() { mDebugTimeWearablesLoaded = mDebugSelfLoadTimer.getElapsedTimeF32(); }
 	void 					debugAvatarVisible() { mDebugTimeAvatarVisible = mDebugSelfLoadTimer.getElapsedTimeF32(); }
 	void 					outputRezDiagnostics() const;
+	void					outputRezTiming(const std::string& msg) const;
+	void					reportAvatarRezTime() const;
 	void 					debugBakedTextureUpload(LLVOAvatarDefines::EBakedTextureIndex index, BOOL finished);
 	static void				debugOnTimingLocalTexLoaded(BOOL success, LLViewerFetchedTexture *src_vi, LLImageRaw* src, LLImageRaw* aux_src, S32 discard_level, BOOL final, void* userdata);
 
diff --git a/indra/newview/llvosurfacepatch.cpp b/indra/newview/llvosurfacepatch.cpp
index c3a2e6a712..bf6158eeaf 100644
--- a/indra/newview/llvosurfacepatch.cpp
+++ b/indra/newview/llvosurfacepatch.cpp
@@ -65,7 +65,7 @@ public:
 			return;
 		}
 
-		U8* base = useVBOs() ? (U8*) mAlignedOffset : mMappedData;
+		volatile U8* base = useVBOs() ? (U8*) mAlignedOffset : mMappedData;
 
 		//assume tex coords 2 and 3 are present
 		U32 type_mask = mTypeMask | MAP_TEXCOORD2 | MAP_TEXCOORD3;
diff --git a/indra/newview/llvovolume.cpp b/indra/newview/llvovolume.cpp
index 20f8674655..7492a06784 100644
--- a/indra/newview/llvovolume.cpp
+++ b/indra/newview/llvovolume.cpp
@@ -4097,6 +4097,32 @@ void LLVolumeGeometryManager::rebuildGeom(LLSpatialGroup* group)
 
 	LLFastTimer ftm2(FTM_REBUILD_VOLUME_VB);
 
+	LLVOAvatar* pAvatarVO = NULL;
+
+	LLSpatialBridge* bridge = group->mSpatialPartition->asBridge();
+	if (bridge)
+	{
+		if (bridge->mAvatar.isNull())
+		{
+			LLViewerObject* vobj = bridge->mDrawable->getVObj();
+			if (vobj)
+			{
+				bridge->mAvatar = vobj->getAvatar();
+			}
+		}
+
+		pAvatarVO = bridge->mAvatar;
+	}
+
+	if (pAvatarVO)
+	{
+		pAvatarVO->mAttachmentGeometryBytes -= group->mGeometryBytes;
+		pAvatarVO->mAttachmentSurfaceArea -= group->mSurfaceArea;
+	}
+
+	group->mGeometryBytes = 0;
+	group->mSurfaceArea = 0;
+	
 	group->clearDrawMap();
 
 	mFaceList.clear();
@@ -4133,12 +4159,24 @@ void LLVolumeGeometryManager::rebuildGeom(LLSpatialGroup* group)
 
 		LLVOVolume* vobj = drawablep->getVOVolume();
 
+		if (!vobj)
+		{
+			continue;
+		}
+
 		if (vobj->isMesh() &&
 			(vobj->getVolume() && !vobj->getVolume()->isMeshAssetLoaded() || !gMeshRepo.meshRezEnabled()))
 		{
 			continue;
 		}
 
+		LLVolume* volume = vobj->getVolume();
+		if (volume)
+		{
+			const LLVector3& scale = vobj->getScale();
+			group->mSurfaceArea += volume->getSurfaceArea() * llmax(llmax(scale.mV[0], scale.mV[1]), scale.mV[2]);
+		}
+
 		llassert_always(vobj);
 		vobj->updateTextureVirtualSize(true);
 		vobj->preRebuild();
@@ -4183,7 +4221,6 @@ void LLVolumeGeometryManager::rebuildGeom(LLSpatialGroup* group)
 				//Determine if we've received skininfo that contains an
 				//alternate bind matrix - if it does then apply the translational component
 				//to the joints of the avatar.
-				LLVOAvatar* pAvatarVO = vobj->getAvatar();
 				bool pelvisGotSet = false;
 
 				if ( pAvatarVO )
@@ -4253,13 +4290,16 @@ void LLVolumeGeometryManager::rebuildGeom(LLSpatialGroup* group)
 
 					if (type == LLDrawPool::POOL_ALPHA)
 					{
-						if (te->getFullbright())
+						if (te->getColor().mV[3] > 0.f)
 						{
-							pool->addRiggedFace(facep, LLDrawPoolAvatar::RIGGED_FULLBRIGHT_ALPHA);
-						}
-						else
-						{
-							pool->addRiggedFace(facep, LLDrawPoolAvatar::RIGGED_ALPHA);
+							if (te->getFullbright())
+							{
+								pool->addRiggedFace(facep, LLDrawPoolAvatar::RIGGED_FULLBRIGHT_ALPHA);
+							}
+							else
+							{
+								pool->addRiggedFace(facep, LLDrawPoolAvatar::RIGGED_ALPHA);
+							}
 						}
 					}
 					else if (te->getShiny())
@@ -4392,8 +4432,11 @@ void LLVolumeGeometryManager::rebuildGeom(LLSpatialGroup* group)
 					}
 					else
 					{
-						drawablep->setState(LLDrawable::HAS_ALPHA);
-						alpha_faces.push_back(facep);
+						if (te->getColor().mV[3] > 0.f)
+						{
+							drawablep->setState(LLDrawable::HAS_ALPHA);
+							alpha_faces.push_back(facep);
+						}
 					}
 				}
 				else
@@ -4510,6 +4553,12 @@ void LLVolumeGeometryManager::rebuildGeom(LLSpatialGroup* group)
 	}
 
 	mFaceList.clear();
+
+	if (pAvatarVO)
+	{
+		pAvatarVO->mAttachmentGeometryBytes += group->mGeometryBytes;
+		pAvatarVO->mAttachmentSurfaceArea += group->mSurfaceArea;
+	}
 }
 
 static LLFastTimer::DeclareTimer FTM_VOLUME_GEOM("Volume Geometry");
@@ -4806,17 +4855,20 @@ void LLVolumeGeometryManager::genDrawInfo(LLSpatialGroup* group, U32 mask, std::
 	
 		//create/delete/resize vertex buffer if needed
 		LLVertexBuffer* buffer = NULL;
-		LLSpatialGroup::buffer_texture_map_t::iterator found_iter = group->mBufferMap[mask].find(*face_iter);
+
+		{ //try to find a buffer to reuse
+			LLSpatialGroup::buffer_texture_map_t::iterator found_iter = group->mBufferMap[mask].find(*face_iter);
 		
-		if (found_iter != group->mBufferMap[mask].end())
-		{
-			if ((U32) buffer_index < found_iter->second.size())
+			if (found_iter != group->mBufferMap[mask].end())
 			{
-				buffer = found_iter->second[buffer_index];
+				if ((U32) buffer_index < found_iter->second.size())
+				{
+					buffer = found_iter->second[buffer_index];
+				}
 			}
 		}
 						
-		if (!buffer)
+		if (!buffer || !buffer->isWriteable())
 		{ //create new buffer if needed
 			buffer = createVertexBuffer(mask, buffer_usage);
 			buffer->allocateBuffer(geom_count, index_count, TRUE);
@@ -4835,6 +4887,9 @@ void LLVolumeGeometryManager::genDrawInfo(LLSpatialGroup* group, U32 mask, std::
 			}
 		}
 
+		group->mGeometryBytes += buffer->getSize() + buffer->getIndicesSize();
+
+
 		buffer_map[mask][*face_iter].push_back(buffer);
 
 		//add face geometry
diff --git a/indra/newview/llvowater.cpp b/indra/newview/llvowater.cpp
index 7df50ec815..315616e8a5 100644
--- a/indra/newview/llvowater.cpp
+++ b/indra/newview/llvowater.cpp
@@ -167,7 +167,7 @@ BOOL LLVOWater::updateGeometry(LLDrawable *drawable)
 				  indices_per_quad * num_quads);
 	
 	LLVertexBuffer* buff = face->getVertexBuffer();
-	if (!buff)
+	if (!buff || !buff->isWriteable())
 	{
 		buff = new LLVertexBuffer(LLDrawPoolWater::VERTEX_DATA_MASK, GL_DYNAMIC_DRAW_ARB);
 		buff->allocateBuffer(face->getGeomCount(), face->getIndicesCount(), TRUE);
diff --git a/indra/newview/llvowlsky.cpp b/indra/newview/llvowlsky.cpp
index f1c5499d84..afd902201b 100644
--- a/indra/newview/llvowlsky.cpp
+++ b/indra/newview/llvowlsky.cpp
@@ -774,7 +774,7 @@ BOOL LLVOWLSky::updateStarGeometry(LLDrawable *drawable)
 	LLStrider<LLColor4U> colorsp;
 	LLStrider<LLVector2> texcoordsp;
 
-	if (mStarsVerts.isNull())
+	if (mStarsVerts.isNull() || !mStarsVerts->isWriteable())
 	{
 		mStarsVerts = new LLVertexBuffer(LLDrawPoolWLSky::STAR_VERTEX_DATA_MASK, GL_DYNAMIC_DRAW);
 		mStarsVerts->allocateBuffer(getStarsNumVerts()*6, 0, TRUE);
diff --git a/indra/newview/pipeline.cpp b/indra/newview/pipeline.cpp
index 8449e74fb6..c523a78b22 100644
--- a/indra/newview/pipeline.cpp
+++ b/indra/newview/pipeline.cpp
@@ -1217,10 +1217,12 @@ void LLPipeline::restoreGL()
 
 BOOL LLPipeline::canUseVertexShaders()
 {
+	static const std::string vertex_shader_enable_feature_string = "VertexShaderEnable";
+
 	if (sDisableShaders ||
 		!gGLManager.mHasVertexShader ||
 		!gGLManager.mHasFragmentShader ||
-		!LLFeatureManager::getInstance()->isFeatureAvailable("VertexShaderEnable") ||
+		!LLFeatureManager::getInstance()->isFeatureAvailable(vertex_shader_enable_feature_string) ||
 		(assertInitialized() && mVertexShadersLoaded != 1) )
 	{
 		return FALSE;
@@ -3765,6 +3767,7 @@ void LLPipeline::renderGeom(LLCamera& camera, BOOL forceVBOUpdate)
 	LLAppViewer::instance()->pingMainloopTimeout("Pipeline:ForceVBO");
 	
 	// Initialize lots of GL state to "safe" values
+	gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
 	gGL.matrixMode(LLRender::MM_TEXTURE);
 	gGL.loadIdentity();
 	gGL.matrixMode(LLRender::MM_MODELVIEW);
@@ -5296,7 +5299,8 @@ void LLPipeline::setupHWLights(LLDrawPool* pool)
 			light_state->setConstantAttenuation(0.f);
 			if (sRenderDeferred)
 			{
-				light_state->setLinearAttenuation(light_radius*1.5f);
+				F32 size = light_radius*1.5f;
+				light_state->setLinearAttenuation(size*size);
 				light_state->setQuadraticAttenuation(light->getLightFalloff()*0.5f+1.f);
 			}
 			else
@@ -5318,7 +5322,8 @@ void LLPipeline::setupHWLights(LLDrawPool* pool)
 				light_state->setSpotCutoff(90.f);
 				light_state->setSpotExponent(2.f);
 	
-				light_state->setSpecular(LLColor4::black);
+				const LLColor4 specular(0.f, 0.f, 0.f, 0.f);
+				light_state->setSpecular(specular);
 			}
 			else // omnidirectional (point) light
 			{
@@ -9419,7 +9424,7 @@ void LLPipeline::generateImpostor(LLVOAvatar* avatar)
 
 	assertInitialized();
 
-	BOOL muted = LLMuteList::getInstance()->isMuted(avatar->getID());
+	bool muted = avatar->isVisuallyMuted();		
 
 	pushRenderTypeMask();
 	
diff --git a/indra/newview/pipeline.h b/indra/newview/pipeline.h
index 2815d736e4..9c78048c46 100644
--- a/indra/newview/pipeline.h
+++ b/indra/newview/pipeline.h
@@ -432,34 +432,35 @@ public:
 
 	enum LLRenderDebugMask
 	{
-		RENDER_DEBUG_COMPOSITION		= 0x0000001,
-		RENDER_DEBUG_VERIFY				= 0x0000002,
-		RENDER_DEBUG_BBOXES				= 0x0000004,
-		RENDER_DEBUG_OCTREE				= 0x0000008,
-		RENDER_DEBUG_WIND_VECTORS		= 0x0000010,
-		RENDER_DEBUG_OCCLUSION			= 0x0000020,
-		RENDER_DEBUG_POINTS				= 0x0000040,
-		RENDER_DEBUG_TEXTURE_PRIORITY	= 0x0000080,
-		RENDER_DEBUG_TEXTURE_AREA		= 0x0000100,
-		RENDER_DEBUG_FACE_AREA			= 0x0000200,
-		RENDER_DEBUG_PARTICLES			= 0x0000400,
-		RENDER_DEBUG_GLOW				= 0x0000800,
-		RENDER_DEBUG_TEXTURE_ANIM		= 0x0001000,
-		RENDER_DEBUG_LIGHTS				= 0x0002000,
-		RENDER_DEBUG_BATCH_SIZE			= 0x0004000,
-		RENDER_DEBUG_ALPHA_BINS			= 0x0008000,
-		RENDER_DEBUG_RAYCAST            = 0x0010000,
-		RENDER_DEBUG_SHAME				= 0x0020000,
-		RENDER_DEBUG_SHADOW_FRUSTA		= 0x0040000,
-		RENDER_DEBUG_SCULPTED           = 0x0080000,
-		RENDER_DEBUG_AVATAR_VOLUME      = 0x0100000,
-		RENDER_DEBUG_BUILD_QUEUE		= 0x0200000,
-		RENDER_DEBUG_AGENT_TARGET       = 0x0400000,
-		RENDER_DEBUG_UPDATE_TYPE		= 0x0800000,
-		RENDER_DEBUG_PHYSICS_SHAPES     = 0x1000000,
-		RENDER_DEBUG_NORMALS	        = 0x2000000,
-		RENDER_DEBUG_LOD_INFO	        = 0x4000000,
-		RENDER_DEBUG_RENDER_COMPLEXITY  = 0x8000000
+		RENDER_DEBUG_COMPOSITION		= 0x00000001,
+		RENDER_DEBUG_VERIFY				= 0x00000002,
+		RENDER_DEBUG_BBOXES				= 0x00000004,
+		RENDER_DEBUG_OCTREE				= 0x00000008,
+		RENDER_DEBUG_WIND_VECTORS		= 0x00000010,
+		RENDER_DEBUG_OCCLUSION			= 0x00000020,
+		RENDER_DEBUG_POINTS				= 0x00000040,
+		RENDER_DEBUG_TEXTURE_PRIORITY	= 0x00000080,
+		RENDER_DEBUG_TEXTURE_AREA		= 0x00000100,
+		RENDER_DEBUG_FACE_AREA			= 0x00000200,
+		RENDER_DEBUG_PARTICLES			= 0x00000400,
+		RENDER_DEBUG_GLOW				= 0x00000800,
+		RENDER_DEBUG_TEXTURE_ANIM		= 0x00001000,
+		RENDER_DEBUG_LIGHTS				= 0x00002000,
+		RENDER_DEBUG_BATCH_SIZE			= 0x00004000,
+		RENDER_DEBUG_ALPHA_BINS			= 0x00008000,
+		RENDER_DEBUG_RAYCAST            = 0x00010000,
+		RENDER_DEBUG_SHAME				= 0x00020000,
+		RENDER_DEBUG_SHADOW_FRUSTA		= 0x00040000,
+		RENDER_DEBUG_SCULPTED           = 0x00080000,
+		RENDER_DEBUG_AVATAR_VOLUME      = 0x00100000,
+		RENDER_DEBUG_BUILD_QUEUE		= 0x00200000,
+		RENDER_DEBUG_AGENT_TARGET       = 0x00400000,
+		RENDER_DEBUG_UPDATE_TYPE		= 0x00800000,
+		RENDER_DEBUG_PHYSICS_SHAPES     = 0x01000000,
+		RENDER_DEBUG_NORMALS	        = 0x02000000,
+		RENDER_DEBUG_LOD_INFO	        = 0x04000000,
+		RENDER_DEBUG_RENDER_COMPLEXITY  = 0x08000000,
+		RENDER_DEBUG_ATTACHMENT_BYTES	= 0x10000000,
 	};
 
 public:
diff --git a/indra/newview/skins/default/xui/en/menu_viewer.xml b/indra/newview/skins/default/xui/en/menu_viewer.xml
index 01713c539a..cd8550b00d 100644
--- a/indra/newview/skins/default/xui/en/menu_viewer.xml
+++ b/indra/newview/skins/default/xui/en/menu_viewer.xml
@@ -2412,6 +2412,16 @@
            function="Advanced.ToggleInfoDisplay"
            parameter="rendercomplexity" />
         </menu_item_check>
+        <menu_item_check
+         label="Attachment Bytes"
+         name="attachment bytes">
+          <menu_item_check.on_check
+           function="Advanced.CheckInfoDisplay"
+           parameter="attachment bytes" />
+          <menu_item_check.on_click
+           function="Advanced.ToggleInfoDisplay"
+           parameter="attachment bytes" />
+        </menu_item_check>
 		<menu_item_check
          label="Sculpt"
          name="Sculpt">