Merged in andreyl_productengine/viewer64-marchcat (DRTVWR-431 fixes)

40 files changed, 839 insertions, 206 deletions

diff --git a/indra/llmath/llvolume.cpp b/indra/llmath/llvolume.cpp
index 8b73f0ae8e..8d5e9de76b 100644
--- a/indra/llmath/llvolume.cpp
+++ b/indra/llmath/llvolume.cpp
@@ -545,7 +545,7 @@ void LLProfile::genNGon(const LLProfileParams& params, S32 sides, F32 offset, F3
 {
 	// Generate an n-sided "circular" path.
 	// 0 is (1,0), and we go counter-clockwise along a circular path from there.
-	const F32 tableScale[] = { 1, 1, 1, 0.5f, 0.707107f, 0.53f, 0.525f, 0.5f };
+	static const F32 tableScale[] = { 1, 1, 1, 0.5f, 0.707107f, 0.53f, 0.525f, 0.5f };
 	F32 scale = 0.5f;
 	F32 t, t_step, t_first, t_fraction, ang, ang_step;
 	LLVector4a pt1,pt2;
@@ -1304,7 +1304,7 @@ S32 LLPath::getNumNGonPoints(const LLPathParams& params, S32 sides, F32 startOff
 void LLPath::genNGon(const LLPathParams& params, S32 sides, F32 startOff, F32 end_scale, F32 twist_scale)
 {
 	// Generates a circular path, starting at (1, 0, 0), counterclockwise along the xz plane.
-	const F32 tableScale[] = { 1, 1, 1, 0.5f, 0.707107f, 0.53f, 0.525f, 0.5f };
+	static const F32 tableScale[] = { 1, 1, 1, 0.5f, 0.707107f, 0.53f, 0.525f, 0.5f };
 
 	F32 revolutions = params.getRevolutions();
 	F32 skew		= params.getSkew();
@@ -1602,7 +1602,8 @@ BOOL LLPath::generate(const LLPathParams& params, F32 detail, S32 split,
 			if (is_sculpted)
 				sides = llmax(sculpt_size, 1);
 			
-			genNGon(params, sides);
+			if (0 < sides)
+				genNGon(params, sides);
 		}
 		break;
 
diff --git a/indra/llmath/llvolume.h b/indra/llmath/llvolume.h
index bba691d243..65fbc4685e 100644
--- a/indra/llmath/llvolume.h
+++ b/indra/llmath/llvolume.h
@@ -1088,7 +1088,7 @@ public:
 	F32 mSurfaceArea; //unscaled surface area
 	BOOL mIsMeshAssetLoaded;
 	
-	LLVolumeParams mParams;
+	const LLVolumeParams mParams;
 	LLPath *mPathp;
 	LLProfile *mProfilep;
 	LLAlignedArray<LLVector4a,64> mMesh;
diff --git a/indra/llprimitive/llprimitive.cpp b/indra/llprimitive/llprimitive.cpp
index bfa65666b5..edf7c41e40 100644
--- a/indra/llprimitive/llprimitive.cpp
+++ b/indra/llprimitive/llprimitive.cpp
@@ -732,6 +732,16 @@ S32	face_index_from_id(LLFaceID face_ID, const std::vector<LLProfile::Face>& fac
 
 BOOL LLPrimitive::setVolume(const LLVolumeParams &volume_params, const S32 detail, bool unique_volume)
 {
+	if (NO_LOD == detail)
+	{
+		// build the new object
+		setChanged(GEOMETRY);
+		sVolumeManager->unrefVolume(mVolumep);
+		mVolumep = new LLVolume(volume_params, 1, TRUE, TRUE);
+		setNumTEs(mVolumep->getNumFaces());
+		return FALSE;
+	}
+
 	LLVolume *volumep;
 	if (unique_volume)
 	{
diff --git a/indra/llprimitive/llprimitive.h b/indra/llprimitive/llprimitive.h
index 19d9d52817..99a32e614c 100644
--- a/indra/llprimitive/llprimitive.h
+++ b/indra/llprimitive/llprimitive.h
@@ -489,6 +489,11 @@ protected:
 
 public:
 	static LLVolumeMgr* sVolumeManager;
+
+	enum
+	{
+		NO_LOD = -1
+	};
 };
 
 inline BOOL LLPrimitive::isAvatar() const
diff --git a/indra/llrender/CMakeLists.txt b/indra/llrender/CMakeLists.txt
index 331f988382..07a0d8c402 100644
--- a/indra/llrender/CMakeLists.txt
+++ b/indra/llrender/CMakeLists.txt
@@ -51,6 +51,7 @@ set(llrender_SOURCE_FILES
     lltexture.cpp
     lluiimage.cpp
     llvertexbuffer.cpp
+    llglcommonfunc.cpp
     )
     
 set(llrender_HEADER_FILES
@@ -78,6 +79,7 @@ set(llrender_HEADER_FILES
     lltexture.h
     lluiimage.h
     llvertexbuffer.h
+    llglcommonfunc.h
     )
 
 set_source_files_properties(${llrender_HEADER_FILES}
diff --git a/indra/llrender/llgl.h b/indra/llrender/llgl.h
index aa98b3f6bc..4c4302d05b 100644
--- a/indra/llrender/llgl.h
+++ b/indra/llrender/llgl.h
@@ -256,6 +256,9 @@ void clear_glerror();
 	if the existing GL state does not match the expected GL state.
 
 */
+
+#include "boost/function.hpp"
+
 class LLGLState
 {
 public:
@@ -297,6 +300,20 @@ public:
 	LLGLEnableAlphaReject(bool enable);
 };
 
+// Enable with functor
+class LLGLEnableFunc : LLGLState
+{
+public:
+	LLGLEnableFunc(LLGLenum state, bool enable, boost::function<void()> func)
+		: LLGLState(state, enable)
+	{
+		if (enable)
+		{
+			func();
+		}
+	}
+};
+
 /// TODO: Being deprecated.
 class LLGLEnable : public LLGLState
 {
diff --git a/indra/llrender/llglcommonfunc.cpp b/indra/llrender/llglcommonfunc.cpp
new file mode 100644
index 0000000000..e9ec28927f
--- /dev/null
+++ b/indra/llrender/llglcommonfunc.cpp
@@ -0,0 +1,37 @@
+/**
+* @file llglcommonfunc.cpp
+* @brief Implementation of the LLGLCommonFunc.
+*
+* $LicenseInfo:firstyear=2001&license=viewerlgpl$
+* Second Life Viewer Source Code
+* Copyright (C) 2010, Linden Research, Inc.
+*
+* This library is free software; you can redistribute it and/or
+* modify it under the terms of the GNU Lesser General Public
+* License as published by the Free Software Foundation;
+* version 2.1 of the License only.
+*
+* This library is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+* Lesser General Public License for more details.
+*
+* You should have received a copy of the GNU Lesser General Public
+* License along with this library; if not, write to the Free Software
+* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+*
+* Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+* $/LicenseInfo$
+*/
+
+#include "llglheaders.h"
+#include "llglcommonfunc.h"
+
+namespace LLGLCommonFunc 
+{
+	void selected_stencil_test()
+	{
+		glStencilFunc(GL_ALWAYS, 2, 0xffff);
+		glStencilOp(GL_KEEP, GL_KEEP, GL_REPLACE);
+	}
+}
diff --git a/indra/llrender/llglcommonfunc.h b/indra/llrender/llglcommonfunc.h
new file mode 100644
index 0000000000..f1f8ff7bc4
--- /dev/null
+++ b/indra/llrender/llglcommonfunc.h
@@ -0,0 +1,30 @@
+/**
+* @file llphoenixfunc.h
+* @brief File include common opengl code snippets
+*
+* $LicenseInfo:firstyear=2003&license=viewerlgpl$
+* Second Life Viewer Source Code
+* Copyright (C) 2010, Linden Research, Inc.
+*
+* This library is free software; you can redistribute it and/or
+* modify it under the terms of the GNU Lesser General Public
+* License as published by the Free Software Foundation;
+* version 2.1 of the License only.
+*
+* This library is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+* Lesser General Public License for more details.
+*
+* You should have received a copy of the GNU Lesser General Public
+* License along with this library; if not, write to the Free Software
+* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+*
+* Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+* $/LicenseInfo$
+*/
+
+namespace LLGLCommonFunc
+{
+	void selected_stencil_test();
+}
diff --git a/indra/llrender/llglslshader.cpp b/indra/llrender/llglslshader.cpp
index 970502f2d6..97557267cf 100644
--- a/indra/llrender/llglslshader.cpp
+++ b/indra/llrender/llglslshader.cpp
@@ -744,24 +744,25 @@ BOOL LLGLSLShader::mapUniforms(const vector<LLStaticHashedString> * uniforms)
 	, even if the "diffuseMap" will be appear and use first in shader code.
 
 	As example where this situation appear see: "Deferred Material Shader 28/29/30/31"
-	And tickets: MAINT-4165, MAINT-4839, MAINT-3568
+	And tickets: MAINT-4165, MAINT-4839, MAINT-3568, MAINT-6437
 	*/
 
 
 	S32 diffuseMap = glGetUniformLocationARB(mProgramObject, "diffuseMap");
+	S32 specularMap = glGetUniformLocationARB(mProgramObject, "specularMap");
 	S32 bumpMap = glGetUniformLocationARB(mProgramObject, "bumpMap");
 	S32 environmentMap = glGetUniformLocationARB(mProgramObject, "environmentMap");
 
 	std::set<S32> skip_index;
 
-	if (-1 != diffuseMap && (-1 != bumpMap || -1 != environmentMap))
+	if (-1 != diffuseMap && (-1 != specularMap || -1 != bumpMap || -1 != environmentMap))
 	{
 		GLenum type;
 		GLsizei length;
 		GLint size = -1;
 		char name[1024];
 
-		diffuseMap = bumpMap = environmentMap = -1;
+		diffuseMap = specularMap = bumpMap = environmentMap = -1;
 
 		for (S32 i = 0; i < activeCount; i++)
 		{
@@ -775,6 +776,18 @@ BOOL LLGLSLShader::mapUniforms(const vector<LLStaticHashedString> * uniforms)
 				continue;
 			}
 
+			if (-1 == specularMap && std::string(name) == "specularMap")
+			{
+				specularMap = i;
+				continue;
+			}
+
+			if (-1 == specularMap && std::string(name) == "specularMap")
+			{
+				specularMap = i;
+				continue;
+			}
+
 			if (-1 == bumpMap && std::string(name) == "bumpMap")
 			{
 				bumpMap = i;
@@ -788,34 +801,29 @@ BOOL LLGLSLShader::mapUniforms(const vector<LLStaticHashedString> * uniforms)
 			}
 		}
 
+		bool specularDiff = specularMap < diffuseMap && -1 != specularMap;
 		bool bumpLessDiff = bumpMap < diffuseMap && -1 != bumpMap;
 		bool envLessDiff = environmentMap < diffuseMap && -1 != environmentMap;
 
-		if (bumpLessDiff && envLessDiff)
+		if (specularDiff || bumpLessDiff || envLessDiff)
 		{
 			mapUniform(diffuseMap, uniforms);
-			mapUniform(bumpMap, uniforms);
-			mapUniform(environmentMap, uniforms);
-
 			skip_index.insert(diffuseMap);
-			skip_index.insert(bumpMap);
-			skip_index.insert(environmentMap);
-		}
-		else if (bumpLessDiff)
-		{
-			mapUniform(diffuseMap, uniforms);
-			mapUniform(bumpMap, uniforms);
 
-			skip_index.insert(diffuseMap);
-			skip_index.insert(bumpMap);
-		}
-		else if (envLessDiff)
-		{
-			mapUniform(diffuseMap, uniforms);
-			mapUniform(environmentMap, uniforms);
+			if (-1 != specularMap) {
+				mapUniform(specularMap, uniforms);
+				skip_index.insert(specularMap);
+			}
 
-			skip_index.insert(diffuseMap);
-			skip_index.insert(environmentMap);
+			if (-1 != bumpMap) {
+				mapUniform(bumpMap, uniforms);
+				skip_index.insert(bumpMap);
+			}
+
+			if (-1 != environmentMap) {
+				mapUniform(environmentMap, uniforms);
+				skip_index.insert(environmentMap);
+			}
 		}
 	}
 
diff --git a/indra/llrender/llvertexbuffer.cpp b/indra/llrender/llvertexbuffer.cpp
index 5048799854..7e47471db6 100644
--- a/indra/llrender/llvertexbuffer.cpp
+++ b/indra/llrender/llvertexbuffer.cpp
@@ -509,7 +509,7 @@ void LLVertexBuffer::setupClientArrays(U32 data_mask)
 				}
 			}
 		
-			U32 map_tc[] = 
+			static const U32 map_tc[] = 
 			{
 				MAP_TEXCOORD1,
 				MAP_TEXCOORD2,
diff --git a/indra/llxml/llcontrol.h b/indra/llxml/llcontrol.h
index 77065dcf8d..8136a3e88a 100644
--- a/indra/llxml/llcontrol.h
+++ b/indra/llxml/llcontrol.h
@@ -357,7 +357,8 @@ private:
 		mCachedValue = convert_from_llsd<T>(controlp->get(), mType, name);
 
 		// Add a listener to the controls signal...
-		mConnection = controlp->getSignal()->connect(
+		// NOTE: All listeners connected to 0 group, for guaranty that variable handlers (gSavedSettings) call last
+		mConnection = controlp->getSignal()->connect(0,
 			boost::bind(&LLControlCache<T>::handleValueChange, this, _2)
 			);
 		mType = controlp->type();
diff --git a/indra/newview/CMakeLists.txt b/indra/newview/CMakeLists.txt
index 2100c91cfe..1594711197 100644
--- a/indra/newview/CMakeLists.txt
+++ b/indra/newview/CMakeLists.txt
@@ -528,6 +528,7 @@ set(viewer_SOURCE_FILES
     llscriptfloater.cpp
     llscrollingpanelparam.cpp
     llscrollingpanelparambase.cpp
+    llsculptidsize.cpp
     llsearchcombobox.cpp
     llsearchhistory.cpp
     llsecapi.cpp
@@ -1140,6 +1141,7 @@ set(viewer_HEADER_FILES
     llscriptruntimeperms.h
     llscrollingpanelparam.h
     llscrollingpanelparambase.h
+    llsculptidsize.h
     llsearchcombobox.h
     llsearchhistory.h
     llsecapi.h
diff --git a/indra/newview/app_settings/settings.xml b/indra/newview/app_settings/settings.xml
index 4a4f4bfc61..7c3867bdfb 100644
--- a/indra/newview/app_settings/settings.xml
+++ b/indra/newview/app_settings/settings.xml
@@ -4646,6 +4646,17 @@
       <key>Value</key>
       <integer>1</integer>
     </map>
+    <key>IgnoreFOVZoomForLODs</key>
+    <map>
+      <key>Comment</key>
+      <string>Ignore zoom effect(CTRL+0) when calculating lods.</string>
+      <key>Persist</key>
+      <integer>1</integer>
+      <key>Type</key>
+      <string>Boolean</string>
+      <key>Value</key>
+      <integer>0</integer>
+    </map>
     <key>IgnoreAllNotifications</key>
     <map>
       <key>Comment</key>
@@ -10158,9 +10169,9 @@
   <key>RenderAutoMuteByteLimit</key>
   <map>
     <key>Comment</key>
-    <string>OBSOLETE and UNUSED.</string>
+    <string>If avatar attachment size exceed this value (in bytes) attachment will not be rendered. Excludes attachments worn by own avatar.</string>
     <key>Persist</key>
-    <integer>0</integer>
+    <integer>1</integer>
     <key>Type</key>
     <string>U32</string>
     <key>Value</key>
diff --git a/indra/newview/lldrawable.cpp b/indra/newview/lldrawable.cpp
index f956023358..6ca8f1ae9c 100644
--- a/indra/newview/lldrawable.cpp
+++ b/indra/newview/lldrawable.cpp
@@ -50,6 +50,7 @@
 #include "llviewerobjectlist.h"
 #include "llviewerwindow.h"
 #include "llvocache.h"
+#include "lldrawpoolavatar.h"
 
 const F32 MIN_INTERPOLATE_DISTANCE_SQUARED = 0.001f * 0.001f;
 const F32 MAX_INTERPOLATE_DISTANCE_SQUARED = 10.f * 10.f;
@@ -143,6 +144,28 @@ void LLDrawable::init(bool new_entry)
 	initVisible(sCurVisible - 2);//invisible for the current frame and the last frame.
 }
 
+void LLDrawable::unload()
+{
+	LLVOVolume *pVVol = getVOVolume();
+	pVVol->setNoLOD();
+
+	for (S32 i = 0; i < getNumFaces(); i++)
+	{
+		LLFace* facep = getFace(i);
+		if (facep->isState(LLFace::RIGGED))
+		{
+			LLDrawPoolAvatar* pool = (LLDrawPoolAvatar*)facep->getPool();
+			if (pool) {
+				pool->removeRiggedFace(facep);
+			}
+			facep->setVertexBuffer(NULL);
+		}
+		facep->clearState(LLFace::RIGGED);
+	}
+
+	pVVol->markForUpdate(TRUE);
+}
+
 // static
 void LLDrawable::initClass()
 {
@@ -595,7 +618,7 @@ F32 LLDrawable::updateXform(BOOL undamped)
 	BOOL damped = !undamped;
 
 	// Position
-	LLVector3 old_pos(mXform.getPosition());
+	const LLVector3 old_pos(mXform.getPosition());
 	LLVector3 target_pos;
 	if (mXform.isRoot())
 	{
@@ -609,7 +632,7 @@ F32 LLDrawable::updateXform(BOOL undamped)
 	}
 	
 	// Rotation
-	LLQuaternion old_rot(mXform.getRotation());
+	const LLQuaternion old_rot(mXform.getRotation());
 	LLQuaternion target_rot = mVObjp->getRotation();
 	//scaling
 	LLVector3 target_scale = mVObjp->getScale();
@@ -644,6 +667,9 @@ F32 LLDrawable::updateXform(BOOL undamped)
 		{
 			// snap to final position (only if no target omega is applied)
 			dist_squared = 0.0f;
+			//set target scale here, because of dist_squared = 0.0f remove object from move list
+			mCurrentScale = target_scale;
+
 			if (getVOVolume() && !isRoot())
 			{ //child prim snapping to some position, needs a rebuild
 				gPipeline.markRebuild(this, LLDrawable::REBUILD_POSITION, TRUE);
@@ -660,11 +686,16 @@ F32 LLDrawable::updateXform(BOOL undamped)
 		//dist_squared += dist_vec_squared(old_scale, target_scale);
 	}
 
-	LLVector3 vec = mCurrentScale-target_scale;
+	const LLVector3 vec = mCurrentScale-target_scale;
+	
+	//It's a very important on each cycle on Drawable::update form(), when object remained in move
+	//, list update the CurrentScale member, because if do not do that, it remained in this list forever 
+	//or when the delta time between two frames a become a sufficiently large (due to interpolation) 
+	//for overcome the MIN_INTERPOLATE_DISTANCE_SQUARED.
+	mCurrentScale = target_scale;
 	
 	if (vec*vec > MIN_INTERPOLATE_DISTANCE_SQUARED)
 	{ //scale change requires immediate rebuild
-		mCurrentScale = target_scale;
 		gPipeline.markRebuild(this, LLDrawable::REBUILD_POSITION, TRUE);
 	}
 	else if (!isRoot() && 
@@ -979,9 +1010,7 @@ void LLDrawable::updateSpatialExtents()
 	if (mVObjp)
 	{
 		const LLVector4a* exts = getSpatialExtents();
-		LLVector4a extents[2];
-		extents[0] = exts[0];
-		extents[1] = exts[1];
+		LLVector4a extents[2] = { exts[0], exts[1] };
 
 		mVObjp->updateSpatialExtents(extents[0], extents[1]);
 		setSpatialExtents(extents[0], extents[1]);
diff --git a/indra/newview/lldrawable.h b/indra/newview/lldrawable.h
index a3461d4c01..14d782d6f2 100644
--- a/indra/newview/lldrawable.h
+++ b/indra/newview/lldrawable.h
@@ -84,6 +84,7 @@ public:
 	void markDead();			// Mark this drawable as dead
 	BOOL isDead() const			{ return isState(DEAD); }
 	BOOL isNew() const			{ return !isState(BUILT); }
+	BOOL isUnload() const		{ return isState(FOR_UNLOAD); }
 
 	BOOL isLight() const;
 
@@ -141,6 +142,7 @@ public:
 	void				mergeFaces(LLDrawable* src);
 
 	void init(bool new_entry);
+	void unload();
 	void destroy();
 
 	void update();
@@ -282,6 +284,7 @@ public:
 		PARTITION_MOVE	= 0x10000000,
 		ANIMATED_CHILD  = 0x20000000,
 		ACTIVE_CHILD	= 0x40000000,
+		FOR_UNLOAD		= 0x80000000, //should be unload from memory
 	} EDrawableFlags;
 
 public:
diff --git a/indra/newview/lldrawpool.cpp b/indra/newview/lldrawpool.cpp
index f74164aea6..075375082d 100644
--- a/indra/newview/lldrawpool.cpp
+++ b/indra/newview/lldrawpool.cpp
@@ -49,6 +49,7 @@
 #include "llviewercamera.h"
 #include "lldrawpoolwlsky.h"
 #include "llglslshader.h"
+#include "llglcommonfunc.h"
 
 S32 LLDrawPool::sNumDrawPools = 0;
 
@@ -504,7 +505,9 @@ void LLRenderPass::pushBatch(LLDrawInfo& params, U32 mask, BOOL texture, BOOL ba
 		{
 			params.mGroup->rebuildMesh();
 		}
-		
+
+		LLGLEnableFunc stencil_test(GL_STENCIL_TEST, params.mSelected, &LLGLCommonFunc::selected_stencil_test);
+	
 		params.mVertexBuffer->setBuffer(mask);
 		params.mVertexBuffer->drawRange(params.mDrawMode, params.mStart, params.mEnd, params.mCount, params.mOffset);
 		gPipeline.addTrianglesDrawn(params.mCount, params.mDrawMode);
diff --git a/indra/newview/lldrawpoolalpha.cpp b/indra/newview/lldrawpoolalpha.cpp
index 60056ac21d..32630237ce 100644
--- a/indra/newview/lldrawpoolalpha.cpp
+++ b/indra/newview/lldrawpoolalpha.cpp
@@ -47,6 +47,7 @@
 #include "llviewerregion.h"
 #include "lldrawpoolwater.h"
 #include "llspatialpartition.h"
+#include "llglcommonfunc.h"
 
 BOOL LLDrawPoolAlpha::sShowDebugAlpha = FALSE;
 
@@ -583,11 +584,14 @@ void LLDrawPoolAlpha::renderAlpha(U32 mask, S32 pass)
 
 				{
 					LL_RECORD_BLOCK_TIME(FTM_RENDER_ALPHA_PUSH);
-    gGL.blendFunc((LLRender::eBlendFactor) params.mBlendFuncSrc, (LLRender::eBlendFactor) params.mBlendFuncDst, mAlphaSFactor, mAlphaDFactor);					
-				params.mVertexBuffer->setBuffer(mask & ~(params.mFullbright ? (LLVertexBuffer::MAP_TANGENT | LLVertexBuffer::MAP_TEXCOORD1 | LLVertexBuffer::MAP_TEXCOORD2) : 0));
-                
-				params.mVertexBuffer->drawRange(params.mDrawMode, params.mStart, params.mEnd, params.mCount, params.mOffset);
-				gPipeline.addTrianglesDrawn(params.mCount, params.mDrawMode);
+
+					LLGLEnableFunc stencil_test(GL_STENCIL_TEST, params.mSelected, &LLGLCommonFunc::selected_stencil_test);
+
+					gGL.blendFunc((LLRender::eBlendFactor) params.mBlendFuncSrc, (LLRender::eBlendFactor) params.mBlendFuncDst, mAlphaSFactor, mAlphaDFactor);
+					params.mVertexBuffer->setBuffer(mask & ~(params.mFullbright ? (LLVertexBuffer::MAP_TANGENT | LLVertexBuffer::MAP_TEXCOORD1 | LLVertexBuffer::MAP_TEXCOORD2) : 0));
+
+					params.mVertexBuffer->drawRange(params.mDrawMode, params.mStart, params.mEnd, params.mCount, params.mOffset);
+					gPipeline.addTrianglesDrawn(params.mCount, params.mDrawMode);
 				}
 				
 				// If this alpha mesh has glow, then draw it a second time to add the destination-alpha (=glow).  Interleaving these state-changing calls could be expensive, but glow must be drawn Z-sorted with alpha.
@@ -597,7 +601,7 @@ void LLDrawPoolAlpha::renderAlpha(U32 mask, S32 pass)
 				{
 					// install glow-accumulating blend mode
 					gGL.blendFunc(LLRender::BF_ZERO, LLRender::BF_ONE, // don't touch color
-						      LLRender::BF_ONE, LLRender::BF_ONE); // add to alpha (glow)
+					LLRender::BF_ONE, LLRender::BF_ONE); // add to alpha (glow)
 
 					emissive_shader->bind();
 					
diff --git a/indra/newview/lldrawpoolavatar.cpp b/indra/newview/lldrawpoolavatar.cpp
index 8128790eb6..ef69990170 100644
--- a/indra/newview/lldrawpoolavatar.cpp
+++ b/indra/newview/lldrawpoolavatar.cpp
@@ -1574,6 +1574,11 @@ void LLDrawPoolAvatar::updateRiggedFaceVertexBuffer(
 	LLPointer<LLVertexBuffer> buffer = face->getVertexBuffer();
 	LLDrawable* drawable = face->getDrawable();
 
+	if (drawable->getVOVolume() && drawable->getVOVolume()->isNoLOD())
+	{
+		return;
+	}
+
 	U32 data_mask = face->getRiggedVertexBufferDataMask();
 
     if (!vol_face.mWeightsScrubbed)
@@ -1621,7 +1626,9 @@ void LLDrawPoolAvatar::updateRiggedFaceVertexBuffer(
 		return;
 	}
 
-	if (sShaderLevel <= 0 && face->mLastSkinTime < avatar->getLastSkinTime())
+	if (!buffer.isNull() && 
+		sShaderLevel <= 0 && 
+		face->mLastSkinTime < avatar->getLastSkinTime())
 	{
 		//perform software vertex skinning for this face
 		LLStrider<LLVector3> position;
@@ -1914,7 +1921,7 @@ void LLDrawPoolAvatar::updateRiggedVertexBuffers(LLVOAvatar* avatar)
 
 			LLVOVolume* vobj = drawable->getVOVolume();
 
-			if (!vobj)
+			if (!vobj || vobj->isNoLOD())
 			{
 				continue;
 			}
diff --git a/indra/newview/lldrawpoolmaterials.cpp b/indra/newview/lldrawpoolmaterials.cpp
index f92320490a..63e96a93b5 100644
--- a/indra/newview/lldrawpoolmaterials.cpp
+++ b/indra/newview/lldrawpoolmaterials.cpp
@@ -30,6 +30,7 @@
 #include "lldrawpoolmaterials.h"
 #include "llviewershadermgr.h"
 #include "pipeline.h"
+#include "llglcommonfunc.h"
 
 S32 diffuse_channel = -1;
 
@@ -211,6 +212,9 @@ void LLDrawPoolMaterials::pushBatch(LLDrawInfo& params, U32 mask, BOOL texture,
 	{
 		params.mGroup->rebuildMesh();
 	}
+
+	LLGLEnableFunc stencil_test(GL_STENCIL_TEST, params.mSelected, &LLGLCommonFunc::selected_stencil_test);
+
 	params.mVertexBuffer->setBuffer(mask);
 	params.mVertexBuffer->drawRange(params.mDrawMode, params.mStart, params.mEnd, params.mCount, params.mOffset);
 	gPipeline.addTrianglesDrawn(params.mCount, params.mDrawMode);
diff --git a/indra/newview/llface.cpp b/indra/newview/llface.cpp
index 50a4925c37..7f7d7f3dcc 100644
--- a/indra/newview/llface.cpp
+++ b/indra/newview/llface.cpp
@@ -53,6 +53,7 @@
 #include "llviewershadermgr.h"
 #include "llviewertexture.h"
 #include "llvoavatar.h"
+#include "llsculptidsize.h"
 
 #if LL_LINUX
 // Work-around spurious used before init warning on Vector4a
@@ -2650,12 +2651,27 @@ LLViewerTexture* LLFace::getTexture(U32 ch) const
 
 void LLFace::setVertexBuffer(LLVertexBuffer* buffer)
 {
+	if (buffer)
+	{
+		LLSculptIDSize::instance().inc(mDrawablep, buffer->getSize() + buffer->getIndicesSize());
+	}
+
+	if (mVertexBuffer)
+	{
+		LLSculptIDSize::instance().dec(mDrawablep);
+	}
+
 	mVertexBuffer = buffer;
 	llassert(verify());
 }
 
 void LLFace::clearVertexBuffer()
 {
+	if (mVertexBuffer)
+	{
+		LLSculptIDSize::instance().dec(mDrawablep);
+	}
+
 	mVertexBuffer = NULL;
 }
 
diff --git a/indra/newview/llmaniptranslate.cpp b/indra/newview/llmaniptranslate.cpp
index 785022792b..92a09357c8 100644
--- a/indra/newview/llmaniptranslate.cpp
+++ b/indra/newview/llmaniptranslate.cpp
@@ -1060,6 +1060,7 @@ void LLManipTranslate::render()
 		renderGuidelines();
 	}
 	{
+		LLGLDisable gls_stencil(GL_STENCIL_TEST);
 		renderTranslationHandles();
 		renderSnapGuides();
 	}
@@ -1638,8 +1639,8 @@ void LLManipTranslate::highlightIntersection(LLVector3 normal,
 	LLGLSLShader* shader = LLGLSLShader::sCurBoundShaderPtr;
 
 	
-	U32 types[] = { LLRenderPass::PASS_SIMPLE, LLRenderPass::PASS_ALPHA, LLRenderPass::PASS_FULLBRIGHT, LLRenderPass::PASS_SHINY };
-	U32 num_types = LL_ARRAY_SIZE(types);
+	static const U32 types[] = { LLRenderPass::PASS_SIMPLE, LLRenderPass::PASS_ALPHA, LLRenderPass::PASS_FULLBRIGHT, LLRenderPass::PASS_SHINY };
+	static const U32 num_types = LL_ARRAY_SIZE(types);
 
 	GLuint stencil_mask = 0xFFFFFFFF;
 	//stencil in volumes
diff --git a/indra/newview/llmeshrepository.cpp b/indra/newview/llmeshrepository.cpp
index df708013fc..9edffea1c1 100644
--- a/indra/newview/llmeshrepository.cpp
+++ b/indra/newview/llmeshrepository.cpp
@@ -3945,7 +3945,7 @@ void LLMeshRepository::uploadModel(std::vector<LLModelInstance>& data, LLVector3
 
 S32 LLMeshRepository::getMeshSize(const LLUUID& mesh_id, S32 lod)
 {
-	if (mThread && mesh_id.notNull())
+	if (mThread && mesh_id.notNull() && LLPrimitive::NO_LOD != lod)
 	{
 		LLMutexLock lock(mThread->mHeaderMutex);
 		LLMeshRepoThread::mesh_header_map::iterator iter = mThread->mMeshHeader.find(mesh_id);
diff --git a/indra/newview/llsculptidsize.cpp b/indra/newview/llsculptidsize.cpp
new file mode 100644
index 0000000000..9edd78bff0
--- /dev/null
+++ b/indra/newview/llsculptidsize.cpp
@@ -0,0 +1,154 @@
+/**
+* @file llsculptidsize.cpp
+* @brief LLSculptIDSize class implementation
+*
+* $LicenseInfo:firstyear=2002&license=viewerlgpl$
+* Second Life Viewer Source Code
+* Copyright (C) 2010, Linden Research, Inc.
+*
+* This library is free software; you can redistribute it and/or
+* modify it under the terms of the GNU Lesser General Public
+* License as published by the Free Software Foundation;
+* version 2.1 of the License only.
+*
+* This library is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+* Lesser General Public License for more details.
+*
+* You should have received a copy of the GNU Lesser General Public
+* License along with this library; if not, write to the Free Software
+* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+*
+* Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+* $/LicenseInfo$
+*/
+
+#include "llviewerprecompiledheaders.h"
+#include "llsculptidsize.h"
+#include "llvovolume.h"
+#include "lldrawable.h"
+#include "llvoavatar.h"
+//boost
+#include "boost/make_shared.hpp"
+
+//...........
+
+extern LLControlGroup gSavedSettings;
+
+//...........
+
+typedef std::pair<LLSculptIDSize::container_BY_SCULPT_ID_view::iterator, LLSculptIDSize::container_BY_SCULPT_ID_view::iterator> pair_iter_iter_BY_SCULPT_ID_t;
+
+//...........
+
+void _nothing_to_do_func(int) { /*nothing todo here because of the size it's a shared member*/ }
+
+void LLSculptIDSize::inc(const LLDrawable *pdrawable, int sz)
+{
+	llassert(sz >= 0);
+
+	if (!pdrawable) return;
+	LLVOVolume* vvol = pdrawable->getVOVolume();
+	if (!vvol) return;
+	if (!vvol->isAttachment()) return;
+	if (!vvol->getAvatar()) return;
+	if (vvol->getAvatar()->isSelf()) return;
+	LLVolume *vol = vvol->getVolume();
+	if (!vol) return;
+
+	const LLUUID &sculptId = vol->getParams().getSculptID();
+	if (sculptId.isNull()) return;
+
+	unsigned int total_size = 0;
+
+	pair_iter_iter_BY_SCULPT_ID_t itLU = mSizeInfo.get<tag_BY_SCULPT_ID>().equal_range(sculptId);
+	if (itLU.first == itLU.second)
+	{ //register
+		llassert(mSizeInfo.get<tag_BY_DRAWABLE>().end() == mSizeInfo.get<tag_BY_DRAWABLE>().find(pdrawable));
+		mSizeInfo.get<tag_BY_DRAWABLE>().insert(Info(pdrawable, sz, boost::make_shared<SizeSum>(sz), sculptId));
+		total_size = sz;
+	}
+	else
+	{ //update + register
+		Info &nfo = const_cast<Info &>(*itLU.first);
+		//calc new size
+		total_size = nfo.getSizeSum() + sz;
+		nfo.mSharedSizeSum->mSizeSum = total_size;
+		nfo.mSize = sz;
+		//update size for all LLDrwable in range of sculptId
+		for (pair_iter_iter_BY_SCULPT_ID_t::first_type it = itLU.first; it != itLU.second; ++it)
+		{
+			mSizeInfo.get<tag_BY_SIZE>().modify_key(mSizeInfo.project<tag_BY_SIZE>(it), boost::bind(&_nothing_to_do_func, _1));
+		}
+
+		//trying insert the LLDrawable
+		mSizeInfo.get<tag_BY_DRAWABLE>().insert(Info(pdrawable, sz, nfo.mSharedSizeSum, sculptId));
+	}
+
+	static LLCachedControl<U32> render_auto_mute_byte_limit(gSavedSettings, "RenderAutoMuteByteLimit", 0U);
+
+	if (0 != render_auto_mute_byte_limit && total_size > render_auto_mute_byte_limit)
+	{
+		pair_iter_iter_BY_SCULPT_ID_t it_eqr = mSizeInfo.get<tag_BY_SCULPT_ID>().equal_range(sculptId);
+		for (; it_eqr.first != it_eqr.second; ++it_eqr.first)
+		{
+			const Info &i = *it_eqr.first;
+			LLVOVolume *pVVol = i.mDrawable->getVOVolume();
+			if (pVVol
+				&& !pVVol->isDead()
+				&& pVVol->isAttachment()
+				&& !pVVol->getAvatar()->isSelf()
+				&& LLVOVolume::NO_LOD != pVVol->getLOD()
+				)
+			{
+				addToUnloaded(sculptId);
+				//immediately
+				const_cast<LLDrawable*>(i.mDrawable)->unload();
+			}
+		}
+	}
+}
+
+void LLSculptIDSize::dec(const LLDrawable *pdrawable)
+{
+	container_BY_DRAWABLE_view::iterator it = mSizeInfo.get<tag_BY_DRAWABLE>().find(pdrawable);
+	if (mSizeInfo.get<tag_BY_DRAWABLE>().end() == it) return;
+
+	unsigned int size = it->getSizeSum() - it->getSize();
+
+	if (0 == size)
+	{
+		mSizeInfo.get<tag_BY_SCULPT_ID>().erase(it->getSculptId());
+	}
+	else
+	{
+		Info &nfo = const_cast<Info &>(*it);
+		nfo.mSize = 0;
+		pair_iter_iter_BY_SCULPT_ID_t itLU = mSizeInfo.get<tag_BY_SCULPT_ID>().equal_range(it->getSculptId());
+		it->mSharedSizeSum->mSizeSum = size;
+		for (pair_iter_iter_BY_SCULPT_ID_t::first_type it = itLU.first; it != itLU.second; ++it)
+		{
+			mSizeInfo.get<tag_BY_SIZE>().modify_key(mSizeInfo.project<tag_BY_SIZE>(it), boost::bind(&_nothing_to_do_func, _1));
+		}
+	}
+}
+
+void LLSculptIDSize::rem(const LLUUID &sculptId)
+{
+	mSizeInfo.get<tag_BY_SCULPT_ID>().erase(sculptId);
+}
+
+void LLSculptIDSize::resetSizeSum(const LLUUID &sculptId)
+{
+	const pair_iter_iter_BY_SCULPT_ID_t itLU = mSizeInfo.get<tag_BY_SCULPT_ID>().equal_range(sculptId);
+
+	if (itLU.first != itLU.second) {
+		itLU.first->mSharedSizeSum->mSizeSum = 0;
+	}
+
+	for (pair_iter_iter_BY_SCULPT_ID_t::first_type it = itLU.first, itE = itLU.second; it != itE; ++it)
+	{
+		mSizeInfo.get<tag_BY_SIZE>().modify_key(mSizeInfo.project<tag_BY_SIZE>(it), boost::bind(&_nothing_to_do_func, _1));
+	}
+}
diff --git a/indra/newview/llsculptidsize.h b/indra/newview/llsculptidsize.h
new file mode 100644
index 0000000000..87ee417b86
--- /dev/null
+++ b/indra/newview/llsculptidsize.h
@@ -0,0 +1,134 @@
+/**
+* @file llsculptidsize.h
+* @brief LLSculptIDSize class definition
+*
+* $LicenseInfo:firstyear=2009&license=viewerlgpl$
+* Second Life Viewer Source Code
+* Copyright (C) 2010, Linden Research, Inc.
+*
+* This library is free software; you can redistribute it and/or
+* modify it under the terms of the GNU Lesser General Public
+* License as published by the Free Software Foundation;
+* version 2.1 of the License only.
+*
+* This library is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+* Lesser General Public License for more details.
+*
+* You should have received a copy of the GNU Lesser General Public
+* License along with this library; if not, write to the Free Software
+* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+*
+* Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+* $/LicenseInfo$
+*/
+
+#ifndef LL_LLSCULPTIDSIZE_H
+#define LL_LLSCULPTIDSIZE_H
+
+#include "lluuid.h"
+
+//std
+#include <set>
+//boost
+#include "boost/multi_index_container.hpp"
+#include "boost/multi_index/ordered_index.hpp"
+#include "boost/multi_index/mem_fun.hpp"
+
+class LLDrawable;
+
+
+class LLSculptIDSize
+{
+public:
+	struct SizeSum
+	{
+		SizeSum(int size) 
+			: mSizeSum(size)
+		{}
+		unsigned int mSizeSum;
+	};
+
+	struct Info
+	{
+		typedef boost::shared_ptr<SizeSum> PtrSizeSum;
+
+		Info(const LLDrawable *drawable, int size, PtrSizeSum sizeInfo, LLUUID sculptId)
+			: mDrawable(drawable)
+			, mSize(size)
+			, mSharedSizeSum(sizeInfo)
+			, mSculptId(sculptId)
+		{}
+
+		const LLDrawable *mDrawable;
+		unsigned int mSize;
+		PtrSizeSum	mSharedSizeSum;
+		LLUUID mSculptId;
+
+		inline const LLDrawable*	getPtrLLDrawable() const { return mDrawable; }
+		inline unsigned int			getSize() const { return mSize; }
+		inline unsigned int			getSizeSum() const { return mSharedSizeSum->mSizeSum; }
+		inline LLUUID				getSculptId() const { return mSculptId; }
+		PtrSizeSum					getSizeInfo() { return mSharedSizeSum; }
+	};
+
+public:
+	//tags
+	struct tag_BY_DRAWABLE {};
+	struct tag_BY_SCULPT_ID {};
+	struct tag_BY_SIZE {};
+
+	//container
+	typedef boost::multi_index_container <
+		Info,
+		boost::multi_index::indexed_by <
+		boost::multi_index::ordered_unique< boost::multi_index::tag<tag_BY_DRAWABLE>
+		, boost::multi_index::const_mem_fun<Info, const LLDrawable*, &Info::getPtrLLDrawable>
+		>
+		, boost::multi_index::ordered_non_unique<boost::multi_index::tag<tag_BY_SCULPT_ID>
+		, boost::multi_index::const_mem_fun<Info, LLUUID, &Info::getSculptId>
+		>
+		, boost::multi_index::ordered_non_unique < boost::multi_index::tag<tag_BY_SIZE>
+		, boost::multi_index::const_mem_fun < Info, unsigned int, &Info::getSizeSum >
+		>
+		>
+	> container;
+
+	//views
+	typedef container::index<tag_BY_DRAWABLE>::type			container_BY_DRAWABLE_view;
+	typedef container::index<tag_BY_SCULPT_ID>::type		container_BY_SCULPT_ID_view;
+	typedef container::index<tag_BY_SIZE>::type				container_BY_SIZE_view;
+
+private:
+	LLSculptIDSize()
+	{}
+
+public:
+	static LLSculptIDSize & instance() 
+	{
+		static LLSculptIDSize inst;
+		return inst;
+	}
+
+public:
+	void inc(const LLDrawable *pdrawable, int sz);
+	void dec(const LLDrawable *pdrawable);
+	void rem(const LLUUID &sculptId);
+
+	inline void addToUnloaded(const LLUUID &sculptId) { mMarkAsUnloaded.insert(sculptId); }
+	inline void remFromUnloaded(const LLUUID &sculptId) { mMarkAsUnloaded.erase(sculptId); }
+	inline bool isUnloaded(const LLUUID &sculptId) const { return mMarkAsUnloaded.end() != mMarkAsUnloaded.find(sculptId); }
+	inline void clearUnloaded() { mMarkAsUnloaded.clear(); }
+	
+	void resetSizeSum(const LLUUID &sculptId);
+
+	inline const container & getSizeInfo() const { return mSizeInfo; }
+
+private:
+	container mSizeInfo;
+	typedef std::set<LLUUID> std_LLUUID;
+	std_LLUUID mMarkAsUnloaded;
+};
+
+#endif
diff --git a/indra/newview/llselectmgr.cpp b/indra/newview/llselectmgr.cpp
index c44aca6fa5..4bf2aa2d0b 100644
--- a/indra/newview/llselectmgr.cpp
+++ b/indra/newview/llselectmgr.cpp
@@ -6271,92 +6271,101 @@ void pushWireframe(LLDrawable* drawable)
 
 void LLSelectNode::renderOneWireframe(const LLColor4& color)
 {
-	//Need to because crash on ATI 3800 (and similar cards) MAINT-5018 
-	LLGLDisable multisample(LLPipeline::RenderFSAASamples > 0 ? GL_MULTISAMPLE_ARB : 0);
+    //Need to because crash on ATI 3800 (and similar cards) MAINT-5018 
+    LLGLDisable multisample(LLPipeline::RenderFSAASamples > 0 ? GL_MULTISAMPLE_ARB : 0);
 
-	LLViewerObject* objectp = getObject();
-	if (!objectp)
-	{
-		return;
-	}
+    LLViewerObject* objectp = getObject();
+    if (!objectp)
+    {
+        return;
+    }
 
-	LLDrawable* drawable = objectp->mDrawable;
-	if(!drawable)
-	{
-		return;
-	}
+    LLDrawable* drawable = objectp->mDrawable;
+    if (!drawable)
+    {
+        return;
+    }
 
-	LLGLSLShader* shader = LLGLSLShader::sCurBoundShaderPtr;
+    LLGLSLShader* shader = LLGLSLShader::sCurBoundShaderPtr;
 
-	if (shader)
-	{
-		gDebugProgram.bind();
-	}
+    if (shader)
+    {
+        gDebugProgram.bind();
+    }
 
-	gGL.matrixMode(LLRender::MM_MODELVIEW);
-	gGL.pushMatrix();
-	
-	BOOL is_hud_object = objectp->isHUDAttachment();
+    gGL.matrixMode(LLRender::MM_MODELVIEW);
+    gGL.pushMatrix();
 
-	if (drawable->isActive())
-	{
-		gGL.loadMatrix(gGLModelView);
-		gGL.multMatrix((F32*) objectp->getRenderMatrix().mMatrix);
-	}
-	else if (!is_hud_object)
-	{
-		gGL.loadIdentity();
-		gGL.multMatrix(gGLModelView);
-		LLVector3 trans = objectp->getRegion()->getOriginAgent();		
-		gGL.translatef(trans.mV[0], trans.mV[1], trans.mV[2]);		
-	}
-	
-	glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
-	
-	if (LLSelectMgr::sRenderHiddenSelections) // && gFloaterTools && gFloaterTools->getVisible())
-	{
-		gGL.blendFunc(LLRender::BF_SOURCE_COLOR, LLRender::BF_ONE);
-		LLGLDepthTest gls_depth(GL_TRUE, GL_FALSE, GL_GEQUAL);
-		if (shader)
-		{
-			gGL.diffuseColor4f(color.mV[VRED], color.mV[VGREEN], color.mV[VBLUE], 0.4f);
-			pushWireframe(drawable);
-		}
-		else
-		{
-			LLGLEnable fog(GL_FOG);
-			glFogi(GL_FOG_MODE, GL_LINEAR);
-			float d = (LLViewerCamera::getInstance()->getPointOfInterest()-LLViewerCamera::getInstance()->getOrigin()).magVec();
-			LLColor4 fogCol = color * (F32)llclamp((LLSelectMgr::getInstance()->getSelectionCenterGlobal()-gAgentCamera.getCameraPositionGlobal()).magVec()/(LLSelectMgr::getInstance()->getBBoxOfSelection().getExtentLocal().magVec()*4), 0.0, 1.0);
-			glFogf(GL_FOG_START, d);
-			glFogf(GL_FOG_END, d*(1 + (LLViewerCamera::getInstance()->getView() / LLViewerCamera::getInstance()->getDefaultFOV())));
-			glFogfv(GL_FOG_COLOR, fogCol.mV);
+    BOOL is_hud_object = objectp->isHUDAttachment();
 
-			gGL.setAlphaRejectSettings(LLRender::CF_DEFAULT);
-			{
-				gGL.diffuseColor4f(color.mV[VRED], color.mV[VGREEN], color.mV[VBLUE], 0.4f);
-				pushWireframe(drawable);
-			}
-		}
-	}
+    if (drawable->isActive())
+    {
+        gGL.loadMatrix(gGLModelView);
+        gGL.multMatrix((F32*)objectp->getRenderMatrix().mMatrix);
+    }
+    else if (!is_hud_object)
+    {
+        gGL.loadIdentity();
+        gGL.multMatrix(gGLModelView);
+        LLVector3 trans = objectp->getRegion()->getOriginAgent();
+        gGL.translatef(trans.mV[0], trans.mV[1], trans.mV[2]);
+    }
 
-	gGL.flush();
-	gGL.setSceneBlendType(LLRender::BT_ALPHA);
+    glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
 
-	gGL.diffuseColor4f(color.mV[VRED]*2, color.mV[VGREEN]*2, color.mV[VBLUE]*2, LLSelectMgr::sHighlightAlpha*2);
-	
-	LLGLEnable offset(GL_POLYGON_OFFSET_LINE);
-	glPolygonOffset(3.f, 3.f);
-	glLineWidth(3.f);
-	pushWireframe(drawable);
-	glLineWidth(1.f);
-	glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
-	gGL.popMatrix();
+    if (LLSelectMgr::sRenderHiddenSelections) // && gFloaterTools && gFloaterTools->getVisible())
+    {
+        gGL.blendFunc(LLRender::BF_SOURCE_COLOR, LLRender::BF_ONE);
+        LLGLDepthTest gls_depth(GL_TRUE, GL_FALSE, GL_GEQUAL);
+        if (shader)
+        {
+            gGL.diffuseColor4f(color.mV[VRED], color.mV[VGREEN], color.mV[VBLUE], 0.4f);
+            pushWireframe(drawable);
+        }
+        else
+        {
+            LLGLEnable fog(GL_FOG);
+            glFogi(GL_FOG_MODE, GL_LINEAR);
+            float d = (LLViewerCamera::getInstance()->getPointOfInterest() - LLViewerCamera::getInstance()->getOrigin()).magVec();
+            LLColor4 fogCol = color * (F32)llclamp((LLSelectMgr::getInstance()->getSelectionCenterGlobal() - gAgentCamera.getCameraPositionGlobal()).magVec() / (LLSelectMgr::getInstance()->getBBoxOfSelection().getExtentLocal().magVec() * 4), 0.0, 1.0);
+            glFogf(GL_FOG_START, d);
+            glFogf(GL_FOG_END, d*(1 + (LLViewerCamera::getInstance()->getView() / LLViewerCamera::getInstance()->getDefaultFOV())));
+            glFogfv(GL_FOG_COLOR, fogCol.mV);
+
+            gGL.setAlphaRejectSettings(LLRender::CF_DEFAULT);
+            {
+                gGL.diffuseColor4f(color.mV[VRED], color.mV[VGREEN], color.mV[VBLUE], 0.4f);
+                pushWireframe(drawable);
+            }
+        }
+    }
 
-	if (shader)
-	{
-		shader->bind();
-	}
+    gGL.flush();
+    gGL.setSceneBlendType(LLRender::BT_ALPHA);
+
+    gGL.diffuseColor4f(color.mV[VRED] * 2, color.mV[VGREEN] * 2, color.mV[VBLUE] * 2, LLSelectMgr::sHighlightAlpha * 2);
+
+    {
+        LLGLDisable depth(GL_BLEND);
+        LLGLEnable stencil(GL_STENCIL_TEST);
+        glStencilFunc(GL_NOTEQUAL, 2, 0xffff);
+        glStencilOp(GL_KEEP, GL_KEEP, GL_KEEP);
+
+        LLGLEnable offset(GL_POLYGON_OFFSET_LINE);
+        glPolygonOffset(3.f, 3.f);
+        glLineWidth(5.f);
+        glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
+        pushWireframe(drawable);
+    }
+
+    glLineWidth(1.f);
+    glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
+    gGL.popMatrix();
+
+    if (shader)
+    {
+        shader->bind();
+    }
 }
 
 //-----------------------------------------------------------------------------
diff --git a/indra/newview/llspatialpartition.cpp b/indra/newview/llspatialpartition.cpp
index d2a87ee2af..9791f4a921 100644
--- a/indra/newview/llspatialpartition.cpp
+++ b/indra/newview/llspatialpartition.cpp
@@ -3941,6 +3941,7 @@ LLDrawable* LLSpatialPartition::lineSegmentIntersect(const LLVector4a& start, co
 
 LLDrawInfo::LLDrawInfo(U16 start, U16 end, U32 count, U32 offset, 
 					   LLViewerTexture* texture, LLVertexBuffer* buffer,
+					   bool selected,
 					   BOOL fullbright, U8 bump, BOOL particle, F32 part_size)
 :	LLTrace::MemTrackableNonVirtual<LLDrawInfo, 16>("LLDrawInfo"),
 	mVertexBuffer(buffer),
@@ -3968,7 +3969,8 @@ LLDrawInfo::LLDrawInfo(U16 start, U16 end, U32 count, U32 offset,
 	mHasGlow(FALSE),
 	mEnvIntensity(0.0f),
 	mAlphaMaskCutoff(0.5f),
-	mDiffuseAlphaMode(0)
+	mDiffuseAlphaMode(0),
+	mSelected(selected)
 {
 	mVertexBuffer->validateRange(mStart, mEnd, mCount, mOffset);
 	
diff --git a/indra/newview/llspatialpartition.h b/indra/newview/llspatialpartition.h
index 7633e46200..6104b92d43 100644
--- a/indra/newview/llspatialpartition.h
+++ b/indra/newview/llspatialpartition.h
@@ -75,6 +75,7 @@ public:
 
 	LLDrawInfo(U16 start, U16 end, U32 count, U32 offset, 
 				LLViewerTexture* image, LLVertexBuffer* buffer, 
+				bool selected,
 				BOOL fullbright = FALSE, U8 bump = 0, BOOL particle = FALSE, F32 part_size = 0);
 	
 
@@ -117,6 +118,7 @@ public:
 	F32  mEnvIntensity;
 	F32  mAlphaMaskCutoff;
 	U8   mDiffuseAlphaMode;
+	bool mSelected;
 
 
 	struct CompareTexture
@@ -646,7 +648,7 @@ class LLVolumeGeometryManager: public LLGeometryManager
 	virtual void rebuildGeom(LLSpatialGroup* group);
 	virtual void rebuildMesh(LLSpatialGroup* group);
 	virtual void getGeometry(LLSpatialGroup* group);
-	void genDrawInfo(LLSpatialGroup* group, U32 mask, LLFace** faces, U32 face_count, BOOL distance_sort = FALSE, BOOL batch_textures = FALSE, BOOL no_materials = FALSE);
+	U32 genDrawInfo(LLSpatialGroup* group, U32 mask, LLFace** faces, U32 face_count, BOOL distance_sort = FALSE, BOOL batch_textures = FALSE, BOOL no_materials = FALSE);
 	void registerFace(LLSpatialGroup* group, LLFace* facep, U32 type);
 
 private:
diff --git a/indra/newview/llviewercamera.cpp b/indra/newview/llviewercamera.cpp
index 57a0195d23..778e275727 100644
--- a/indra/newview/llviewercamera.cpp
+++ b/indra/newview/llviewercamera.cpp
@@ -113,6 +113,7 @@ LLViewerCamera::LLViewerCamera() : LLCamera()
 {
 	calcProjection(getFar());
 	mCameraFOVDefault = DEFAULT_FIELD_OF_VIEW;
+	mPrevCameraFOVDefault = DEFAULT_FIELD_OF_VIEW;
 	mCosHalfCameraFOV = cosf(mCameraFOVDefault * 0.5f);
 	mPixelMeterRatio = 0.f;
 	mScreenPixelArea = 0;
@@ -882,6 +883,15 @@ void LLViewerCamera::setDefaultFOV(F32 vertical_fov_rads)
 	mCosHalfCameraFOV = cosf(mCameraFOVDefault * 0.5f);
 }
 
+BOOL LLViewerCamera::isDefaultFOVChanged()
+{
+	if(mPrevCameraFOVDefault != mCameraFOVDefault)
+	{
+		mPrevCameraFOVDefault = mCameraFOVDefault;
+		return !gSavedSettings.getBOOL("IgnoreFOVZoomForLODs");
+	}
+	return FALSE;
+}
 
 // static
 void LLViewerCamera::updateCameraAngle( void* user_data, const LLSD& value)
diff --git a/indra/newview/llviewercamera.h b/indra/newview/llviewercamera.h
index f8c973690a..5901de289f 100644
--- a/indra/newview/llviewercamera.h
+++ b/indra/newview/llviewercamera.h
@@ -115,6 +115,8 @@ public:
 	void setDefaultFOV(F32 fov) ;
 	F32 getDefaultFOV() { return mCameraFOVDefault; }
 
+	BOOL isDefaultFOVChanged();
+
 	BOOL cameraUnderWater() const;
 	BOOL areVertsVisible(LLViewerObject* volumep, BOOL all_verts);
 
@@ -138,6 +140,7 @@ protected:
 	mutable LLMatrix4	mProjectionMatrix;	// Cache of perspective matrix
 	mutable LLMatrix4	mModelviewMatrix;
 	F32					mCameraFOVDefault;
+	F32					mPrevCameraFOVDefault;
 	F32					mCosHalfCameraFOV;
 	LLVector3			mLastPointOfInterest;
 	F32					mPixelMeterRatio; // Divide by distance from camera to get pixels per meter at that distance.
diff --git a/indra/newview/llviewercontrol.cpp b/indra/newview/llviewercontrol.cpp
index d9d66ef254..3280aa718d 100644
--- a/indra/newview/llviewercontrol.cpp
+++ b/indra/newview/llviewercontrol.cpp
@@ -582,6 +582,7 @@ bool toggle_show_object_render_cost(const LLSD& newvalue)
 	return true;
 }
 
+void handleRenderAutoMuteByteLimitChanged(const LLSD& new_value);
 ////////////////////////////////////////////////////////////////////////////
 
 void settings_setup_listeners()
@@ -734,7 +735,8 @@ void settings_setup_listeners()
 	gSavedSettings.getControl("SpellCheck")->getSignal()->connect(boost::bind(&handleSpellCheckChanged));
 	gSavedSettings.getControl("SpellCheckDictionary")->getSignal()->connect(boost::bind(&handleSpellCheckChanged));
 	gSavedSettings.getControl("LoginLocation")->getSignal()->connect(boost::bind(&handleLoginLocationChanged));
-    gSavedSettings.getControl("DebugAvatarJoints")->getCommitSignal()->connect(boost::bind(&handleDebugAvatarJointsChanged, _2));
+	gSavedSettings.getControl("DebugAvatarJoints")->getCommitSignal()->connect(boost::bind(&handleDebugAvatarJointsChanged, _2));
+	gSavedSettings.getControl("RenderAutoMuteByteLimit")->getSignal()->connect(boost::bind(&handleRenderAutoMuteByteLimitChanged, _2));
 }
 
 #if TEST_CACHED_CONTROL
diff --git a/indra/newview/llviewerdisplay.cpp b/indra/newview/llviewerdisplay.cpp
index 96ef160c72..86a9e7e2ad 100644
--- a/indra/newview/llviewerdisplay.cpp
+++ b/indra/newview/llviewerdisplay.cpp
@@ -1005,7 +1005,7 @@ void display(BOOL rebuild, F32 zoom_factor, int subfield, BOOL for_snapshot)
 															  gPipeline.mDeferredScreen.getHeight(), 0, 0, 
 															  gPipeline.mDeferredScreen.getWidth(), 
 															  gPipeline.mDeferredScreen.getHeight(), 
-															  GL_DEPTH_BUFFER_BIT, GL_NEAREST);
+															  GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT, GL_NEAREST);
 				}
 			}
 			else
@@ -1017,7 +1017,7 @@ void display(BOOL rebuild, F32 zoom_factor, int subfield, BOOL for_snapshot)
 															  gPipeline.mScreen.getHeight(), 0, 0, 
 															  gPipeline.mScreen.getWidth(), 
 															  gPipeline.mScreen.getHeight(), 
-															  GL_DEPTH_BUFFER_BIT, GL_NEAREST);
+															  GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT, GL_NEAREST);
 				}
 			}
 		}
diff --git a/indra/newview/llviewerobject.cpp b/indra/newview/llviewerobject.cpp
index 6c2d4d7fea..293df89bf0 100644
--- a/indra/newview/llviewerobject.cpp
+++ b/indra/newview/llviewerobject.cpp
@@ -5868,6 +5868,14 @@ void LLViewerObject::markForUpdate(BOOL priority)
 	}
 }
 
+void LLViewerObject::markForUnload(BOOL priority)
+{
+	if (mDrawable.notNull())
+	{
+		gPipeline.markRebuild(mDrawable, LLDrawable::FOR_UNLOAD, priority);
+	}
+}
+
 bool LLViewerObject::isPermanentEnforced() const
 {
 	return flagObjectPermanent() && (mRegionp != gAgent.getRegion()) && !gAgent.isGodlike();
diff --git a/indra/newview/llviewerobject.h b/indra/newview/llviewerobject.h
index 7a490f6957..e4224a79d1 100644
--- a/indra/newview/llviewerobject.h
+++ b/indra/newview/llviewerobject.h
@@ -412,6 +412,7 @@ public:
 	void clearIcon();
 
 	void markForUpdate(BOOL priority);
+	void markForUnload(BOOL priority);
 	void updateVolume(const LLVolumeParams& volume_params);
 	virtual	void updateSpatialExtents(LLVector4a& min, LLVector4a& max);
 	virtual F32 getBinRadius();
diff --git a/indra/newview/llvieweroctree.cpp b/indra/newview/llvieweroctree.cpp
index 023f1b92ba..5f0e21db71 100644
--- a/indra/newview/llvieweroctree.cpp
+++ b/indra/newview/llvieweroctree.cpp
@@ -465,7 +465,7 @@ LLViewerOctreeGroup::LLViewerOctreeGroup(OctreeNode* node)
 {
 	LLVector4a tmp;
 	tmp.splat(0.f);
-	mExtents[0] = mExtents[1] = mObjectBounds[0] = mObjectBounds[0] = mObjectBounds[1] = 
+	mExtents[0] = mExtents[1] = mObjectBounds[0] = mObjectBounds[1] =
 		mObjectExtents[0] = mObjectExtents[1] = tmp;
 	
 	mBounds[0] = node->getCenter();
diff --git a/indra/newview/llvograss.cpp b/indra/newview/llvograss.cpp
index de63a3963c..b5c90a8f60 100644
--- a/indra/newview/llvograss.cpp
+++ b/indra/newview/llvograss.cpp
@@ -741,7 +741,7 @@ void LLGrassPartition::getGeometry(LLSpatialGroup* group)
 			U32 count = facep->getIndicesCount();
 			LLDrawInfo* info = new LLDrawInfo(start,end,count,offset,facep->getTexture(), 
 				//facep->getTexture(),
-				buffer, fullbright); 
+				buffer, object->isSelected(), fullbright);
 
 			const LLVector4a* exts = group->getObjectExtents();
 			info->mExtents[0] = exts[0];
diff --git a/indra/newview/llvopartgroup.cpp b/indra/newview/llvopartgroup.cpp
index f7b21338f8..f006ad2867 100644
--- a/indra/newview/llvopartgroup.cpp
+++ b/indra/newview/llvopartgroup.cpp
@@ -964,7 +964,7 @@ void LLParticlePartition::getGeometry(LLSpatialGroup* group)
 			U32 count = facep->getIndicesCount();
 			LLDrawInfo* info = new LLDrawInfo(start,end,count,offset,facep->getTexture(), 
 				//facep->getTexture(),
-				buffer, fullbright); 
+				buffer, object->isSelected(), fullbright);
 
 			const LLVector4a* exts = group->getObjectExtents();
 			info->mExtents[0] = exts[0];
diff --git a/indra/newview/llvovolume.cpp b/indra/newview/llvovolume.cpp
index f77b48ff80..ad4466073a 100644
--- a/indra/newview/llvovolume.cpp
+++ b/indra/newview/llvovolume.cpp
@@ -78,6 +78,7 @@
 #include "llvoavatar.h"
 #include "llvocache.h"
 #include "llmaterialmgr.h"
+#include "llsculptidsize.h"
 
 const F32 FORCE_SIMPLE_RENDER_AREA = 512.f;
 const F32 FORCE_CULL_AREA = 8.f;
@@ -249,6 +250,8 @@ void LLVOVolume::markDead()
 {
 	if (!mDead)
 	{
+		LLSculptIDSize::instance().rem(getVolume()->getParams().getSculptID());
+
 		if(getMDCImplCount() > 0)
 		{
 			LLMediaDataClientObject::ptr_t obj = new LLMediaDataClientObjectImpl(const_cast<LLVOVolume*>(this), false);
@@ -951,13 +954,14 @@ BOOL LLVOVolume::setVolume(const LLVolumeParams &params_in, const S32 detail, bo
 		// if it's a mesh
 		if ((volume_params.getSculptType() & LL_SCULPT_TYPE_MASK) == LL_SCULPT_TYPE_MESH)
 		{ //meshes might not have all LODs, get the force detail to best existing LOD
-			LLUUID mesh_id = volume_params.getSculptID();
-
-			lod = gMeshRepo.getActualMeshLOD(volume_params, lod);
-			if (lod == -1)
+			if (NO_LOD != lod)
 			{
-				is404 = TRUE;
-				lod = 0;
+				lod = gMeshRepo.getActualMeshLOD(volume_params, lod);
+				if (lod == -1)
+				{
+					is404 = TRUE;
+					lod = 0;
+				}
 			}
 		}
 	}
@@ -1054,12 +1058,13 @@ BOOL LLVOVolume::setVolume(const LLVolumeParams &params_in, const S32 detail, bo
 				LLFace::cacheFaceInVRAM(face);
 			}
 		}
-		
 
 		return TRUE;
 	}
-
-
+	else if (NO_LOD == lod) 
+	{
+		LLSculptIDSize::instance().resetSizeSum(volume_params.getSculptID());
+	}
 
 	return FALSE;
 }
@@ -1214,18 +1219,18 @@ void LLVOVolume::sculpt()
 	}
 }
 
-S32	LLVOVolume::computeLODDetail(F32 distance, F32 radius)
+S32	LLVOVolume::computeLODDetail(F32 distance, F32 radius, F32 lod_factor)
 {
 	S32	cur_detail;
 	if (LLPipeline::sDynamicLOD)
 	{
 		// We've got LOD in the profile, and in the twist.  Use radius.
-		F32 tan_angle = (LLVOVolume::sLODFactor*radius)/distance;
+		F32 tan_angle = (lod_factor*radius)/distance;
 		cur_detail = LLVolumeLODGroup::getDetailFromTan(ll_round(tan_angle, 0.01f));
 	}
 	else
 	{
-		cur_detail = llclamp((S32) (sqrtf(radius)*LLVOVolume::sLODFactor*4.f), 0, 3);		
+		cur_detail = llclamp((S32) (sqrtf(radius)*lod_factor*4.f), 0, 3);
 	}
 	return cur_detail;
 }
@@ -1241,6 +1246,7 @@ BOOL LLVOVolume::calcLOD()
 	
 	F32 radius;
 	F32 distance;
+	F32 lod_factor = LLVOVolume::sLODFactor;
 
 	if (mDrawable->isState(LLDrawable::RIGGED))
 	{
@@ -1276,12 +1282,18 @@ BOOL LLVOVolume::calcLOD()
 		distance *= rampDist;
 	}
 	
-	// DON'T Compensate for field of view changing on FOV zoom.
+
 	distance *= F_PI/3.f;
 
-	cur_detail = computeLODDetail(ll_round(distance, 0.01f), 
-									ll_round(radius, 0.01f));
+	static LLCachedControl<bool> ignore_fov_zoom(gSavedSettings,"IgnoreFOVZoomForLODs");
+	if(!ignore_fov_zoom)
+	{
+		lod_factor *= DEFAULT_FIELD_OF_VIEW / LLViewerCamera::getInstance()->getDefaultFOV();
+	}
 
+	cur_detail = computeLODDetail(ll_round(distance, 0.01f), 
+									ll_round(radius, 0.01f),
+									lod_factor);
 
 	if (gPipeline.hasRenderDebugMask(LLPipeline::RENDER_DEBUG_LOD_INFO) &&
 		mDrawable->getFace(0))
@@ -1294,7 +1306,8 @@ BOOL LLVOVolume::calcLOD()
 	if (cur_detail != mLOD)
 	{
 		mAppAngle = ll_round((F32) atan2( mDrawable->getRadius(), mDrawable->mDistanceWRTCamera) * RAD_TO_DEG, 0.01f);
-		mLOD = cur_detail;		
+		mLOD = cur_detail;
+
 		return TRUE;
 	}
 
@@ -1308,7 +1321,16 @@ BOOL LLVOVolume::updateLOD()
 		return FALSE;
 	}
 	
-	BOOL lod_changed = calcLOD();
+	BOOL lod_changed = FALSE;
+
+	if (!LLSculptIDSize::instance().isUnloaded(getVolume()->getParams().getSculptID())) 
+	{
+		lod_changed = calcLOD();
+	}
+	else
+	{
+		return FALSE;
+	}
 
 	if (lod_changed)
 	{
@@ -1478,7 +1500,6 @@ BOOL LLVOVolume::genBBoxes(BOOL force_global)
 		res &= face->genVolumeBBoxes(*volume, i,
 										mRelativeXform, 
 										(mVolumeImpl && mVolumeImpl->isVolumeGlobal()) || force_global);
-		
 		if (rebuild)
 		{
 			if (i == 0)
@@ -1754,6 +1775,11 @@ BOOL LLVOVolume::updateGeometry(LLDrawable *drawable)
 		dirtySpatialGroup(drawable->isState(LLDrawable::IN_REBUILD_Q1));
 		compiled = TRUE;
 		lodOrSculptChanged(drawable, compiled);
+		
+		if(drawable->isState(LLDrawable::REBUILD_RIGGED | LLDrawable::RIGGED)) 
+		{
+			updateRiggedVolume(false);
+		}
 		genBBoxes(FALSE);
 	}
 	// it has its own drawable (it's moved) or it has changed UVs or it has changed xforms from global<->local
@@ -4203,7 +4229,7 @@ void LLRiggedVolume::update(const LLMeshSkinInfo* skin, LLVOAvatar* avatar, cons
 
 			LLVector4a* pos = dst_face.mPositions;
 
-			if( pos && weight && dst_face.mExtents )
+			if (pos && dst_face.mExtents)
 			{
 				LL_RECORD_BLOCK_TIME(FTM_SKIN_RIGGED);
 
@@ -4389,7 +4415,9 @@ void LLVolumeGeometryManager::registerFace(LLSpatialGroup* group, LLFace* facep,
 		LL_WARNS_ONCE("RenderMaterials") << "Oh no! No binormals for this alpha blended face!" << LL_ENDL;
 	}
 
-	if (facep->getViewerObject()->isSelected() && LLSelectMgr::getInstance()->mHideSelectedObjects)
+	bool selected = facep->getViewerObject()->isSelected();
+
+	if (selected && LLSelectMgr::getInstance()->mHideSelectedObjects)
 	{
 		return;
 	}
@@ -4486,7 +4514,7 @@ void LLVolumeGeometryManager::registerFace(LLSpatialGroup* group, LLFace* facep,
 			batchable = true;
 		}
 	}
-	
+
 	if (idx >= 0 && 
 		draw_vec[idx]->mVertexBuffer == facep->getVertexBuffer() &&
 		draw_vec[idx]->mEnd == facep->getGeomIndex()-1 &&
@@ -4502,7 +4530,8 @@ void LLVolumeGeometryManager::registerFace(LLSpatialGroup* group, LLFace* facep,
 		(!mat || (draw_vec[idx]->mShiny == shiny)) && // need to break batches when a material is shared, but legacy settings are different
 		draw_vec[idx]->mTextureMatrix == tex_mat &&
 		draw_vec[idx]->mModelMatrix == model_mat &&
-		draw_vec[idx]->mShaderMask == shader_mask)
+		draw_vec[idx]->mShaderMask == shader_mask &&
+		draw_vec[idx]->mSelected == selected)
 	{
 		draw_vec[idx]->mCount += facep->getIndicesCount();
 		draw_vec[idx]->mEnd += facep->getGeomCount();
@@ -4524,7 +4553,7 @@ void LLVolumeGeometryManager::registerFace(LLSpatialGroup* group, LLFace* facep,
 		U32 offset = facep->getIndicesStart();
 		U32 count = facep->getIndicesCount();
 		LLPointer<LLDrawInfo> draw_info = new LLDrawInfo(start,end,count,offset, tex, 
-			facep->getVertexBuffer(), fullbright, bump); 
+			facep->getVertexBuffer(), selected, fullbright, bump);
 		draw_info->mGroup = group;
 		draw_info->mVSize = facep->getVirtualSize();
 		draw_vec.push_back(draw_info);
@@ -4551,26 +4580,25 @@ void LLVolumeGeometryManager::registerFace(LLSpatialGroup* group, LLFace* facep,
 
 		if (mat)
 		{
-				draw_info->mMaterialID = mat_id;
+			draw_info->mMaterialID = mat_id;
 
-				// We have a material.  Update our draw info accordingly.
+			// We have a material.  Update our draw info accordingly.
 				
-				if (!mat->getSpecularID().isNull())
-				{
-					LLVector4 specColor;
-					specColor.mV[0] = mat->getSpecularLightColor().mV[0] * (1.f / 255.f);
-					specColor.mV[1] = mat->getSpecularLightColor().mV[1] * (1.f / 255.f);
-					specColor.mV[2] = mat->getSpecularLightColor().mV[2] * (1.f / 255.f);
-					specColor.mV[3] = mat->getSpecularLightExponent() * (1.f / 255.f);
-					draw_info->mSpecColor = specColor;
-					draw_info->mEnvIntensity = mat->getEnvironmentIntensity() * (1.f / 255.f);
-					draw_info->mSpecularMap = facep->getViewerObject()->getTESpecularMap(facep->getTEOffset());
-				}
+			if (!mat->getSpecularID().isNull())
+			{
+				LLVector4 specColor;
+				specColor.mV[0] = mat->getSpecularLightColor().mV[0] * (1.f / 255.f);
+				specColor.mV[1] = mat->getSpecularLightColor().mV[1] * (1.f / 255.f);
+				specColor.mV[2] = mat->getSpecularLightColor().mV[2] * (1.f / 255.f);
+				specColor.mV[3] = mat->getSpecularLightExponent() * (1.f / 255.f);
+				draw_info->mSpecColor = specColor;
+				draw_info->mEnvIntensity = mat->getEnvironmentIntensity() * (1.f / 255.f);
+				draw_info->mSpecularMap = facep->getViewerObject()->getTESpecularMap(facep->getTEOffset());
+			}
 
-				draw_info->mAlphaMaskCutoff = mat->getAlphaMaskCutoff() * (1.f / 255.f);
-				draw_info->mDiffuseAlphaMode = mat->getDiffuseAlphaMode();
-				draw_info->mNormalMap = facep->getViewerObject()->getTENormalMap(facep->getTEOffset());
-				
+			draw_info->mAlphaMaskCutoff = mat->getAlphaMaskCutoff() * (1.f / 255.f);
+			draw_info->mDiffuseAlphaMode = mat->getDiffuseAlphaMode();
+			draw_info->mNormalMap = facep->getViewerObject()->getTENormalMap(facep->getTEOffset());
 		}
 		else 
 		{
@@ -4641,10 +4669,83 @@ static LLDrawPoolAvatar* get_avatar_drawpool(LLViewerObject* vobj)
 	return NULL;
 }
 
-void LLVolumeGeometryManager::rebuildGeom(LLSpatialGroup* group)
+void handleRenderAutoMuteByteLimitChanged(const LLSD& new_value)
 {
-	
+	static LLCachedControl<U32> render_auto_mute_byte_limit(gSavedSettings, "RenderAutoMuteByteLimit", 0U);
 
+	if (0 != render_auto_mute_byte_limit)
+	{
+		//for unload
+		LLSculptIDSize::container_BY_SIZE_view::iterator
+			itL = LLSculptIDSize::instance().getSizeInfo().get<LLSculptIDSize::tag_BY_SIZE>().lower_bound(render_auto_mute_byte_limit),
+			itU = LLSculptIDSize::instance().getSizeInfo().get<LLSculptIDSize::tag_BY_SIZE>().end();
+
+		for (; itL != itU; ++itL)
+		{
+			const LLSculptIDSize::Info &nfo = *itL;
+			LLVOVolume *pVVol = nfo.getPtrLLDrawable()->getVOVolume();
+			if (pVVol
+				&& !pVVol->isDead()
+				&& pVVol->isAttachment()
+				&& !pVVol->getAvatar()->isSelf()
+				&& LLVOVolume::NO_LOD != pVVol->getLOD()
+				)
+			{
+				//postponed
+				pVVol->markForUnload();
+				LLSculptIDSize::instance().addToUnloaded(nfo.getSculptId());
+			}
+		}
+
+		//for load if it was unload
+		itL = LLSculptIDSize::instance().getSizeInfo().get<LLSculptIDSize::tag_BY_SIZE>().begin();
+		itU = LLSculptIDSize::instance().getSizeInfo().get<LLSculptIDSize::tag_BY_SIZE>().upper_bound(render_auto_mute_byte_limit);
+
+		for (; itL != itU; ++itL)
+		{
+			const LLSculptIDSize::Info &nfo = *itL;
+			LLVOVolume *pVVol = nfo.getPtrLLDrawable()->getVOVolume();
+			if (pVVol
+				&& !pVVol->isDead()
+				&& pVVol->isAttachment()
+				&& !pVVol->getAvatar()->isSelf()
+				&& LLVOVolume::NO_LOD == pVVol->getLOD()
+				)
+			{
+				LLSculptIDSize::instance().remFromUnloaded(nfo.getSculptId());
+				pVVol->updateLOD();
+				pVVol->markForUpdate(TRUE);
+			}
+		}
+	}
+	else
+	{
+		LLSculptIDSize::instance().clearUnloaded();
+
+		LLSculptIDSize::container_BY_SIZE_view::iterator
+			itL = LLSculptIDSize::instance().getSizeInfo().get<LLSculptIDSize::tag_BY_SIZE>().begin(),
+			itU = LLSculptIDSize::instance().getSizeInfo().get<LLSculptIDSize::tag_BY_SIZE>().end();
+
+		for (; itL != itU; ++itL)
+		{
+			const LLSculptIDSize::Info &nfo = *itL;
+			LLVOVolume *pVVol = nfo.getPtrLLDrawable()->getVOVolume();
+			if (pVVol
+				&& !pVVol->isDead()
+				&& pVVol->isAttachment()
+				&& !pVVol->getAvatar()->isSelf()
+				&& LLVOVolume::NO_LOD == pVVol->getLOD()
+				) 
+			{
+				pVVol->updateLOD();
+				pVVol->markForUpdate(TRUE);
+			}
+		}
+	}
+}
+
+void LLVolumeGeometryManager::rebuildGeom(LLSpatialGroup* group)
+{
 	if (group->changeLOD())
 	{
 		group->mLastUpdateDistance = group->mDistance;
@@ -5205,13 +5306,19 @@ void LLVolumeGeometryManager::rebuildGeom(LLSpatialGroup* group)
 		fullbright_mask = fullbright_mask | LLVertexBuffer::MAP_TEXTURE_INDEX;
 	}
 
-	genDrawInfo(group, simple_mask | LLVertexBuffer::MAP_TEXTURE_INDEX, sSimpleFaces, simple_count, FALSE, batch_textures, FALSE);
-	genDrawInfo(group, fullbright_mask | LLVertexBuffer::MAP_TEXTURE_INDEX, sFullbrightFaces, fullbright_count, FALSE, batch_textures);
-	genDrawInfo(group, alpha_mask | LLVertexBuffer::MAP_TEXTURE_INDEX, sAlphaFaces, alpha_count, TRUE, batch_textures);
-	genDrawInfo(group, bump_mask | LLVertexBuffer::MAP_TEXTURE_INDEX, sBumpFaces, bump_count, FALSE, FALSE);
-	genDrawInfo(group, norm_mask | LLVertexBuffer::MAP_TEXTURE_INDEX, sNormFaces, norm_count, FALSE, FALSE);
-	genDrawInfo(group, spec_mask | LLVertexBuffer::MAP_TEXTURE_INDEX, sSpecFaces, spec_count, FALSE, FALSE);
-	genDrawInfo(group, normspec_mask | LLVertexBuffer::MAP_TEXTURE_INDEX, sNormSpecFaces, normspec_count, FALSE, FALSE);
+	group->mGeometryBytes = 0;
+
+	U32 geometryBytes = 0;
+
+	geometryBytes += genDrawInfo(group, simple_mask | LLVertexBuffer::MAP_TEXTURE_INDEX, sSimpleFaces, simple_count, FALSE, batch_textures, FALSE);
+	geometryBytes += genDrawInfo(group, fullbright_mask | LLVertexBuffer::MAP_TEXTURE_INDEX, sFullbrightFaces, fullbright_count, FALSE, batch_textures);
+	geometryBytes += genDrawInfo(group, alpha_mask | LLVertexBuffer::MAP_TEXTURE_INDEX, sAlphaFaces, alpha_count, TRUE, batch_textures);
+	geometryBytes += genDrawInfo(group, bump_mask | LLVertexBuffer::MAP_TEXTURE_INDEX, sBumpFaces, bump_count, FALSE, FALSE);
+	geometryBytes += genDrawInfo(group, norm_mask | LLVertexBuffer::MAP_TEXTURE_INDEX, sNormFaces, norm_count, FALSE, FALSE);
+	geometryBytes += genDrawInfo(group, spec_mask | LLVertexBuffer::MAP_TEXTURE_INDEX, sSpecFaces, spec_count, FALSE, FALSE);
+	geometryBytes += genDrawInfo(group, normspec_mask | LLVertexBuffer::MAP_TEXTURE_INDEX, sNormSpecFaces, normspec_count, FALSE, FALSE);
+
+	group->mGeometryBytes = geometryBytes;
 
 	if (!LLPipeline::sDelayVBUpdate)
 	{
@@ -5269,6 +5376,8 @@ void LLVolumeGeometryManager::rebuildMesh(LLSpatialGroup* group)
 			if (drawablep && !drawablep->isDead() && drawablep->isState(LLDrawable::REBUILD_ALL) && !drawablep->isState(LLDrawable::RIGGED) )
 			{
 				LLVOVolume* vobj = drawablep->getVOVolume();
+				if (vobj->isNoLOD()) continue;
+
 				vobj->preRebuild();
 
 				if (drawablep->isState(LLDrawable::ANIMATED_CHILD))
@@ -5401,10 +5510,11 @@ static LLTrace::BlockTimerStatHandle FTM_GEN_DRAW_INFO_RESIZE_VB("Resize VB");
 
 
 
-void LLVolumeGeometryManager::genDrawInfo(LLSpatialGroup* group, U32 mask, LLFace** faces, U32 face_count, BOOL distance_sort, BOOL batch_textures, BOOL no_materials)
+U32 LLVolumeGeometryManager::genDrawInfo(LLSpatialGroup* group, U32 mask, LLFace** faces, U32 face_count, BOOL distance_sort, BOOL batch_textures, BOOL no_materials)
 {
 	LL_RECORD_BLOCK_TIME(FTM_REBUILD_VOLUME_GEN_DRAW_INFO);
 
+	U32 geometryBytes = 0;
 	U32 buffer_usage = group->mBufferUsage;
 	
 	static LLCachedControl<bool> use_transform_feedback(gSavedSettings, "RenderUseTransformFeedback", false);
@@ -5654,7 +5764,7 @@ void LLVolumeGeometryManager::genDrawInfo(LLSpatialGroup* group, U32 mask, LLFac
 
 		if (buffer)
 		{
-			group->mGeometryBytes += buffer->getSize() + buffer->getIndicesSize();
+			geometryBytes += buffer->getSize() + buffer->getIndicesSize();
 			buffer_map[mask][*face_iter].push_back(buffer);
 		}
 
@@ -5942,7 +6052,7 @@ void LLVolumeGeometryManager::genDrawInfo(LLSpatialGroup* group, U32 mask, LLFac
 					}
 					else
 					{
-					registerFace(group, facep, LLRenderPass::PASS_FULLBRIGHT);
+						registerFace(group, facep, LLRenderPass::PASS_FULLBRIGHT);
 					}
 					if (LLPipeline::sRenderDeferred && !hud_group && LLPipeline::sRenderBump && use_legacy_bump)
 					{ //if this is the deferred render and a bump map is present, register in post deferred bump
@@ -5964,8 +6074,8 @@ void LLVolumeGeometryManager::genDrawInfo(LLSpatialGroup* group, U32 mask, LLFac
 						}
 						else
 						{
-						registerFace(group, facep, LLRenderPass::PASS_SIMPLE);
-					}
+							registerFace(group, facep, LLRenderPass::PASS_SIMPLE);
+						}
 				}
 				}
 				
@@ -6010,6 +6120,8 @@ void LLVolumeGeometryManager::genDrawInfo(LLSpatialGroup* group, U32 mask, LLFac
 	{
 		group->mBufferMap[mask][i->first] = i->second;
 	}
+
+	return geometryBytes;
 }
 
 void LLGeometryManager::addGeometryCount(LLSpatialGroup* group, U32 &vertex_count, U32 &index_count)
@@ -6076,4 +6188,3 @@ void LLHUDPartition::shift(const LLVector4a &offset)
 {
 	//HUD objects don't shift with region crossing.  That would be silly.
 }
-
diff --git a/indra/newview/llvovolume.h b/indra/newview/llvovolume.h
index a331908320..f9d04844fc 100644
--- a/indra/newview/llvovolume.h
+++ b/indra/newview/llvovolume.h
@@ -35,6 +35,8 @@
 #include "m3math.h"		// LLMatrix3
 #include "m4math.h"		// LLMatrix4
 #include <map>
+#include <set>
+
 
 class LLViewerTextureAnim;
 class LLDrawPool;
@@ -125,7 +127,9 @@ public:
 
 				void	generateSilhouette(LLSelectNode* nodep, const LLVector3& view_point);
 	/*virtual*/	BOOL	setParent(LLViewerObject* parent);
-				S32		getLOD() const							{ return mLOD; }
+				S32		getLOD() const						{ return mLOD; }
+				void	setNoLOD()							{ mLOD = NO_LOD; mLODChanged = TRUE; }
+				bool	isNoLOD() const						{ return NO_LOD == mLOD; }
 	const LLVector3		getPivotPositionAgent() const;
 	const LLMatrix4&	getRelativeXform() const				{ return mRelativeXform; }
 	const LLMatrix3&	getRelativeXformInvTrans() const		{ return mRelativeXformInvTrans; }
@@ -160,6 +164,7 @@ public:
 				const LLMatrix4& getWorldMatrix(LLXformMatrix* xform) const;
 
 				void	markForUpdate(BOOL priority)			{ LLViewerObject::markForUpdate(priority); mVolumeChanged = TRUE; }
+				void	markForUnload()							{ LLViewerObject::markForUnload(TRUE); mVolumeChanged = TRUE; }
 				void    faceMappingChanged()                    { mFaceMappingChanged=TRUE; };
 
 	/*virtual*/ void	onShift(const LLVector4a &shift_vector); // Called when the drawable shifts
@@ -327,7 +332,7 @@ public:
 	void clearRiggedVolume();
 
 protected:
-	S32	computeLODDetail(F32	distance, F32 radius);
+	S32	computeLODDetail(F32	distance, F32 radius, F32 lod_factor);
 	BOOL calcLOD();
 	LLFace* addFace(S32 face_index);
 	void updateTEData();
diff --git a/indra/newview/pipeline.cpp b/indra/newview/pipeline.cpp
index 1d083bb2fd..5a8e6ced6c 100644
--- a/indra/newview/pipeline.cpp
+++ b/indra/newview/pipeline.cpp
@@ -2656,7 +2656,7 @@ void LLPipeline::downsampleDepthBuffer(LLRenderTarget& source, LLRenderTarget& d
 	{
 		scratch_space->copyContents(source, 
 									0, 0, source.getWidth(), source.getHeight(), 
-									0, 0, scratch_space->getWidth(), scratch_space->getHeight(), GL_DEPTH_BUFFER_BIT, GL_NEAREST);
+									0, 0, scratch_space->getWidth(), scratch_space->getHeight(), GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT, GL_NEAREST);
 	}
 
 	dest.bindTarget();
@@ -3031,6 +3031,12 @@ void LLPipeline::updateGeom(F32 max_dtime)
 				}
 			}
 
+			if (drawablep->isUnload())
+			{
+				drawablep->unload();
+				drawablep->clearState(LLDrawable::FOR_UNLOAD);
+			}
+
 			if (updateDrawableGeom(drawablep, TRUE))
 			{
 				drawablep->clearState(LLDrawable::IN_REBUILD_Q1);
@@ -3424,6 +3430,7 @@ void LLPipeline::stateSort(LLCamera& camera, LLCullResult &result)
 	if (LLViewerCamera::sCurCameraID == LLViewerCamera::CAMERA_WORLD)
 	{
 		LLSpatialGroup* last_group = NULL;
+		BOOL fov_changed = LLViewerCamera::getInstance()->isDefaultFOVChanged();
 		for (LLCullResult::bridge_iterator i = sCull->beginVisibleBridge(); i != sCull->endVisibleBridge(); ++i)
 		{
 			LLCullResult::bridge_iterator cur_iter = i;
@@ -3437,7 +3444,7 @@ void LLPipeline::stateSort(LLCamera& camera, LLCullResult &result)
 
 			if (!bridge->isDead() && group && !group->isOcclusionState(LLSpatialGroup::OCCLUDED))
 			{
-				stateSort(bridge, camera);
+				stateSort(bridge, camera, fov_changed);
 			}
 
 			if (LLViewerCamera::sCurCameraID == LLViewerCamera::CAMERA_WORLD &&
@@ -3509,9 +3516,9 @@ void LLPipeline::stateSort(LLSpatialGroup* group, LLCamera& camera)
 
 }
 
-void LLPipeline::stateSort(LLSpatialBridge* bridge, LLCamera& camera)
+void LLPipeline::stateSort(LLSpatialBridge* bridge, LLCamera& camera, BOOL fov_changed)
 {
-	if (bridge->getSpatialGroup()->changeLOD())
+	if (bridge->getSpatialGroup()->changeLOD() || fov_changed)
 	{
 		bool force_update = false;
 		bridge->updateDistance(camera, force_update);
@@ -4577,12 +4584,6 @@ void LLPipeline::renderGeomDeferred(LLCamera& camera)
 
 	LLGLEnable cull(GL_CULL_FACE);
 
-	LLGLEnable stencil(GL_STENCIL_TEST);
-	glStencilFunc(GL_ALWAYS, 1, 0xFFFFFFFF);
-	stop_glerror();
-	glStencilOp(GL_KEEP, GL_KEEP, GL_REPLACE);
-	stop_glerror();
-
 	for (pool_set_t::iterator iter = mPools.begin(); iter != mPools.end(); ++iter)
 	{
 		LLDrawPool *poolp = *iter;
@@ -8138,7 +8139,7 @@ void LLPipeline::renderBloom(bool for_snapshot, F32 zoom_factor, int subfield)
 	if (LLRenderTarget::sUseFBO)
 	{ //copy depth buffer from mScreen to framebuffer
 		LLRenderTarget::copyContentsToFramebuffer(mScreen, 0, 0, mScreen.getWidth(), mScreen.getHeight(), 
-			0, 0, mScreen.getWidth(), mScreen.getHeight(), GL_DEPTH_BUFFER_BIT, GL_NEAREST);
+			0, 0, mScreen.getWidth(), mScreen.getHeight(), GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT, GL_NEAREST);
 	}
 	
 
@@ -9019,7 +9020,7 @@ void LLPipeline::renderDeferredLightingToRT(LLRenderTarget* target)
 		{
 			LLGLDepthTest depth(GL_TRUE);
 			mDeferredDepth.copyContents(mDeferredScreen, 0, 0, mDeferredScreen.getWidth(), mDeferredScreen.getHeight(),
-							0, 0, mDeferredDepth.getWidth(), mDeferredDepth.getHeight(), GL_DEPTH_BUFFER_BIT, GL_NEAREST);	
+							0, 0, mDeferredDepth.getWidth(), mDeferredDepth.getHeight(), GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT, GL_NEAREST);	
 		}
 
 		LLGLEnable multisample(RenderFSAASamples > 0 ? GL_MULTISAMPLE_ARB : 0);
@@ -10117,7 +10118,7 @@ void LLPipeline::renderShadow(glh::matrix4f& view, glh::matrix4f& proj, LLCamera
 	}
 	LLPipeline::sShadowRender = true;
 	
-	U32 types[] = { 
+	static const U32 types[] = { 
 		LLRenderPass::PASS_SIMPLE, 
 		LLRenderPass::PASS_FULLBRIGHT, 
 		LLRenderPass::PASS_SHINY, 
@@ -11622,7 +11623,7 @@ void LLPipeline::generateImpostor(LLVOAvatar* avatar)
 
 	avatar->setImpostorDim(tdim);
 
-	LLVOAvatar::sUseImpostors = true; // @TODO ???
+	LLVOAvatar::sUseImpostors = (0 != LLVOAvatar::sMaxNonImpostors);
 	sUseOcclusion = occlusion;
 	sReflectionRender = false;
 	sImpostorRender = false;
diff --git a/indra/newview/pipeline.h b/indra/newview/pipeline.h
index c9670a60f2..f43607ccb0 100644
--- a/indra/newview/pipeline.h
+++ b/indra/newview/pipeline.h
@@ -254,7 +254,7 @@ public:
 
 	void stateSort(LLCamera& camera, LLCullResult& result);
 	void stateSort(LLSpatialGroup* group, LLCamera& camera);
-	void stateSort(LLSpatialBridge* bridge, LLCamera& camera);
+	void stateSort(LLSpatialBridge* bridge, LLCamera& camera, BOOL fov_changed = FALSE);
 	void stateSort(LLDrawable* drawablep, LLCamera& camera);
 	void postSort(LLCamera& camera);
 	void forAllVisibleDrawables(void (*func)(LLDrawable*));