Automated merge with file:///F:%5Cviewer-bear

189 files changed, 5039 insertions, 3211 deletions

diff --git a/.hgignore b/.hgignore
index c845758e7c..a8a244596d 100755
--- a/.hgignore
+++ b/.hgignore
@@ -33,6 +33,7 @@ indra/newview/app_settings/static_*.db2
 indra/newview/browser_profile
 indra/newview/character
 indra/newview/fmod.dll
+indra/newview/fmod.log
 indra/newview/mozilla-theme
 indra/newview/mozilla-universal-darwin.tgz
 indra/newview/res/ll_icon.*
diff --git a/BuildParams b/BuildParams
index 84d30f651b..656e488ff1 100755
--- a/BuildParams
+++ b/BuildParams
@@ -23,6 +23,7 @@ codeticket_since = 3.3.0-release
 
 # Override build system default toolchain
 # Note that this will only affect automated builds.
+Linux.distcc_version = 
 Linux.gcc_version = /usr/bin/gcc-4.6
 Linux.cxx_version = /usr/bin/g++-4.6
 
diff --git a/autobuild.xml b/autobuild.xml
index 628d3f6883..3dbfd463a3 100755
--- a/autobuild.xml
+++ b/autobuild.xml
@@ -1648,9 +1648,9 @@
             <key>archive</key>
             <map>
               <key>hash</key>
-              <string>facee34b8bd57ad602157e65a5af1a49</string>
+              <string>38ea083fe1204ee106b4d44d9811af19</string>
               <key>url</key>
-              <string>http://s3.amazonaws.com/viewer-source-downloads/install_pkgs/openssl-0.9.8q-darwin-20110211.tar.bz2</string>
+              <string>http://automated-builds-secondlife-com.s3.amazonaws.com/hg/repo/3p-openssl/rev/249044/arch/Darwin/installer/openssl-1.0.0g-darwin-20120207.tar.bz2</string>
             </map>
             <key>name</key>
             <string>darwin</string>
@@ -1660,9 +1660,9 @@
             <key>archive</key>
             <map>
               <key>hash</key>
-              <string>3d40be8566fa4b9df9a38e2a0f9ea467</string>
+	      <string>7dc5191a3d95074a6ed3bd53f57420e5</string>
               <key>url</key>
-              <string>http://automated-builds-secondlife-com.s3.amazonaws.com/hg/repo/3p-openssl/rev/226882/arch/Linux/installer/openssl-1.0.0d-linux-20110418.tar.bz2</string>
+		   <string>http://automated-builds-secondlife-com.s3.amazonaws.com/hg/repo/3p-openssl/rev/249044/arch/Linux/installer/openssl-1.0.0g-linux-20120207.tar.bz2</string>
             </map>
             <key>name</key>
             <string>linux</string>
@@ -1672,9 +1672,9 @@
             <key>archive</key>
             <map>
               <key>hash</key>
-              <string>774c7f0a0312bee3054757a623e227bc</string>
+              <string>ed6cbaf9860a03bc99ac301277f1452a</string>
               <key>url</key>
-              <string>http://automated-builds-secondlife-com.s3.amazonaws.com/hg/repo/3p-openssl/rev/220986/arch/CYGWIN/installer/openssl-0.9.8q-windows-20110211.tar.bz2</string>
+              <string>http://automated-builds-secondlife-com.s3.amazonaws.com/hg/repo/3p-openssl/rev/249044/arch/CYGWIN/installer/openssl-1.0.0g-windows-20120207.tar.bz2</string>
             </map>
             <key>name</key>
             <string>windows</string>
diff --git a/doc/contributions.txt b/doc/contributions.txt
index 7712f16ade..3bf2b8bfd6 100755
--- a/doc/contributions.txt
+++ b/doc/contributions.txt
@@ -905,6 +905,9 @@ Nicky Dasmijn
 	MAINT-873
 	SUN-72
 	BUG-2432
+	STORM-1935
+	STORM-1936
+	STORM-1937
 Nicky Perian
 	OPEN-1
 	STORM-1087
diff --git a/indra/cmake/00-Common.cmake b/indra/cmake/00-Common.cmake
index 472f271fa8..20243b092b 100755
--- a/indra/cmake/00-Common.cmake
+++ b/indra/cmake/00-Common.cmake
@@ -131,6 +131,17 @@ if (LINUX)
   # Let's actually get a numerical version of gxx's version
   STRING(REGEX REPLACE ".* ([0-9])\\.([0-9])\\.([0-9]).*" "\\1\\2\\3" CXX_VERSION_NUMBER ${CXX_VERSION})
 
+  # Hacks to work around gcc 4.1 TC build pool machines which can't process pragma warning disables
+  # This is pure rubbish; I wish there was another way.
+  #
+  if(${CXX_VERSION_NUMBER} LESS 420)
+    set(CMAKE_CXX_FLAGS "-Wno-deprecated -Wno-uninitialized -Wno-unused-variable -Wno-unused-function ${CMAKE_CXX_FLAGS}")
+  endif (${CXX_VERSION_NUMBER} LESS 420)
+
+  if(${CXX_VERSION_NUMBER} GREATER 459)
+    set(CMAKE_CXX_FLAGS "-Wno-deprecated -Wno-unused-but-set-variable -Wno-unused-variable ${CMAKE_CXX_FLAGS}")
+  endif (${CXX_VERSION_NUMBER} GREATER 459)
+
   # gcc 4.3 and above don't like the LL boost and also
   # cause warnings due to our use of deprecated headers
   if(${CXX_VERSION_NUMBER} GREATER 429)
@@ -196,7 +207,7 @@ if (LINUX OR DARWIN)
   set(GCC_WARNINGS "-Wall -Wno-sign-compare -Wno-trigraphs")
 
   if (NOT GCC_DISABLE_FATAL_WARNINGS)
-    set(GCC_WARNINGS "${GCC_WARNINGS} -Werror")
+#    set(GCC_WARNINGS "${GCC_WARNINGS} -Werror")
   endif (NOT GCC_DISABLE_FATAL_WARNINGS)
 
   set(GCC_CXX_WARNINGS "${GCC_WARNINGS} -Wno-reorder -Wno-non-virtual-dtor")
diff --git a/indra/cmake/Copy3rdPartyLibs.cmake b/indra/cmake/Copy3rdPartyLibs.cmake
index 29ab4b1710..695dc2840d 100755
--- a/indra/cmake/Copy3rdPartyLibs.cmake
+++ b/indra/cmake/Copy3rdPartyLibs.cmake
@@ -267,6 +267,7 @@ elseif(LINUX)
         libdb-5.1.so
         libexpat.so
         libexpat.so.1
+        libfreetype.so.6
         libGLOD.so
         libgmock_main.so
         libgmock.so.0
diff --git a/indra/cmake/FreeType.cmake b/indra/cmake/FreeType.cmake
index baa61d73c8..c9a90a9a8d 100755
--- a/indra/cmake/FreeType.cmake
+++ b/indra/cmake/FreeType.cmake
@@ -7,7 +7,7 @@ if (STANDALONE)
   pkg_check_modules(FREETYPE REQUIRED freetype2)
 else (STANDALONE)
   use_prebuilt_binary(freetype)
-    set(FREETYPE_INCLUDE_DIRS ${LIBS_PREBUILT_DIR}/include)
+  set(FREETYPE_INCLUDE_DIRS ${LIBS_PREBUILT_DIR}/include)
   set(FREETYPE_LIBRARIES freetype)
 endif (STANDALONE)
 
diff --git a/indra/llcharacter/lleditingmotion.cpp b/indra/llcharacter/lleditingmotion.cpp
index 0d0b85ba60..4e8c3268c5 100755
--- a/indra/llcharacter/lleditingmotion.cpp
+++ b/indra/llcharacter/lleditingmotion.cpp
@@ -258,3 +258,4 @@ void LLEditingMotion::onDeactivate()
 
 
 // End
+
diff --git a/indra/llcharacter/llheadrotmotion.cpp b/indra/llcharacter/llheadrotmotion.cpp
index 15a58a8389..2b1aa194a9 100755
--- a/indra/llcharacter/llheadrotmotion.cpp
+++ b/indra/llcharacter/llheadrotmotion.cpp
@@ -530,3 +530,4 @@ void LLEyeMotion::onDeactivate()
 }
 
 // End
+
diff --git a/indra/llcharacter/llkeyframemotion.cpp b/indra/llcharacter/llkeyframemotion.cpp
index c6f45bffa2..07ef52228e 100755
--- a/indra/llcharacter/llkeyframemotion.cpp
+++ b/indra/llcharacter/llkeyframemotion.cpp
@@ -672,7 +672,8 @@ BOOL LLKeyframeMotion::onActivate()
 //-----------------------------------------------------------------------------
 BOOL LLKeyframeMotion::onUpdate(F32 time, U8* joint_mask)
 {
-	llassert(time >= 0.f);
+	// llassert(time >= 0.f);		// This will fire
+	time = llmax(0.f, time);
 
 	if (mJointMotionList->mLoop)
 	{
@@ -2304,3 +2305,4 @@ LLKeyframeMotion::JointConstraint::~JointConstraint()
 }
 
 // End
+
diff --git a/indra/llcharacter/llkeyframewalkmotion.cpp b/indra/llcharacter/llkeyframewalkmotion.cpp
index d52eb89a5c..69f064b615 100755
--- a/indra/llcharacter/llkeyframewalkmotion.cpp
+++ b/indra/llcharacter/llkeyframewalkmotion.cpp
@@ -390,3 +390,4 @@ BOOL LLFlyAdjustMotion::onUpdate(F32 time, U8* joint_mask)
 
 	return TRUE;
 }
+
diff --git a/indra/llcharacter/llmotion.cpp b/indra/llcharacter/llmotion.cpp
index 2551f125d0..a07f9f4d2e 100755
--- a/indra/llcharacter/llmotion.cpp
+++ b/indra/llcharacter/llmotion.cpp
@@ -169,3 +169,4 @@ BOOL LLMotion::canDeprecate()
 }
 
 // End
+
diff --git a/indra/llcharacter/lltargetingmotion.cpp b/indra/llcharacter/lltargetingmotion.cpp
index 489aef923c..fa5f06328e 100755
--- a/indra/llcharacter/lltargetingmotion.cpp
+++ b/indra/llcharacter/lltargetingmotion.cpp
@@ -169,3 +169,4 @@ void LLTargetingMotion::onDeactivate()
 
 
 // End
+
diff --git a/indra/llcommon/CMakeLists.txt b/indra/llcommon/CMakeLists.txt
index 3a4a8facc2..8eb0c6249d 100755
--- a/indra/llcommon/CMakeLists.txt
+++ b/indra/llcommon/CMakeLists.txt
@@ -122,6 +122,7 @@ set(llcommon_HEADER_FILES
     linden_common.h
     linked_lists.h
     llaccountingcost.h
+    llalignedarray.h
     llallocator.h
     llallocator_heap_profile.h
     llagentconstants.h
@@ -237,6 +238,7 @@ set(llcommon_HEADER_FILES
     llstrider.h
     llstring.h
     llstringtable.h
+    llstaticstringtable.h
     llsys.h
     llthread.h
     llthreadsafequeue.h
diff --git a/indra/llcommon/llalignedarray.h b/indra/llcommon/llalignedarray.h
new file mode 100644
index 0000000000..ed8fd31205
--- /dev/null
+++ b/indra/llcommon/llalignedarray.h
@@ -0,0 +1,139 @@
+/** 
+ * @file llalignedarray.h
+ * @brief A static array which obeys alignment restrictions and mimics std::vector accessors.
+ *
+ * $LicenseInfo:firstyear=2002&license=viewerlgpl$
+ * 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
+ * $/LicenseInfo$
+ */
+
+#ifndef LL_LLALIGNEDARRAY_H
+#define LL_LLALIGNEDARRAY_H
+
+#include "llmemory.h"
+
+template <class T, U32 alignment>
+class LLAlignedArray
+{
+public:
+	T* mArray;
+	U32 mElementCount;
+	U32 mCapacity;
+
+	LLAlignedArray();
+	~LLAlignedArray();
+
+	void push_back(const T& elem);
+	U32 size() const { return mElementCount; }
+	void resize(U32 size);
+	T* append(S32 N);
+	T& operator[](int idx);
+	const T& operator[](int idx) const;
+};
+
+template <class T, U32 alignment>
+LLAlignedArray<T, alignment>::LLAlignedArray()
+{
+	llassert(alignment >= 16);
+	mArray = NULL;
+	mElementCount = 0;
+	mCapacity = 0;
+}
+
+template <class T, U32 alignment>
+LLAlignedArray<T, alignment>::~LLAlignedArray()
+{
+	ll_aligned_free(mArray);
+	mArray = NULL;
+	mElementCount = 0;
+	mCapacity = 0;
+}
+
+template <class T, U32 alignment>
+void LLAlignedArray<T, alignment>::push_back(const T& elem)
+{
+	T* old_buf = NULL;
+	if (mCapacity <= mElementCount)
+	{
+		mCapacity++;
+		mCapacity *= 2;
+		T* new_buf = (T*) ll_aligned_malloc(mCapacity*sizeof(T), alignment);
+		if (mArray)
+		{
+			ll_memcpy_nonaliased_aligned_16((char*)new_buf, (char*)mArray, sizeof(T)*mElementCount);
+		}
+		old_buf = mArray;
+		mArray = new_buf;
+	}
+
+	mArray[mElementCount++] = elem;
+
+	//delete old array here to prevent error on a.push_back(a[0])
+	ll_aligned_free(old_buf);
+}
+
+template <class T, U32 alignment>
+void LLAlignedArray<T, alignment>::resize(U32 size)
+{
+	if (mCapacity < size)
+	{
+		mCapacity = size+mCapacity*2;
+		T* new_buf = mCapacity > 0 ? (T*) ll_aligned_malloc(mCapacity*sizeof(T), alignment) : NULL;
+		if (mArray)
+		{
+			ll_memcpy_nonaliased_aligned_16((char*) new_buf, (char*) mArray, sizeof(T)*mElementCount);
+			ll_aligned_free(mArray);
+		}
+
+		/*for (U32 i = mElementCount; i < mCapacity; ++i)
+		{
+			new(new_buf+i) T();
+		}*/
+		mArray = new_buf;
+	}
+
+	mElementCount = size;
+}
+
+
+template <class T, U32 alignment>
+T& LLAlignedArray<T, alignment>::operator[](int idx)
+{
+	llassert(idx < mElementCount);
+	return mArray[idx];
+}
+
+template <class T, U32 alignment>
+const T& LLAlignedArray<T, alignment>::operator[](int idx) const
+{
+	llassert(idx < mElementCount);
+	return mArray[idx];
+}
+
+template <class T, U32 alignment>
+T* LLAlignedArray<T, alignment>::append(S32 N)
+{
+	U32 sz = size();
+	resize(sz+N);
+	return &((*this)[sz]);
+}
+
+#endif
+
diff --git a/indra/llcommon/llapr.h b/indra/llcommon/llapr.h
index 752574c65d..1fe7d98472 100755
--- a/indra/llcommon/llapr.h
+++ b/indra/llcommon/llapr.h
@@ -164,14 +164,20 @@ public:
 	~LLAtomic32<Type>() {};
 
 	operator const Type() { apr_uint32_t data = apr_atomic_read32(&mData); return Type(data); }
+	
+	Type	CurrentValue() const { apr_uint32_t data = apr_atomic_read32(const_cast< volatile apr_uint32_t* >(&mData)); return Type(data); }
+
 	Type operator =(const Type& x) { apr_atomic_set32(&mData, apr_uint32_t(x)); return Type(mData); }
 	void operator -=(Type x) { apr_atomic_sub32(&mData, apr_uint32_t(x)); }
 	void operator +=(Type x) { apr_atomic_add32(&mData, apr_uint32_t(x)); }
 	Type operator ++(int) { return apr_atomic_inc32(&mData); } // Type++
 	Type operator --(int) { return apr_atomic_dec32(&mData); } // approximately --Type (0 if final is 0, non-zero otherwise)
+
+	Type operator ++() { return apr_atomic_inc32(&mData); } // Type++
+	Type operator --() { return apr_atomic_dec32(&mData); } // approximately --Type (0 if final is 0, non-zero otherwise)
 	
 private:
-	apr_uint32_t mData;
+	volatile apr_uint32_t mData;
 };
 
 typedef LLAtomic32<U32> LLAtomicU32;
diff --git a/indra/llcommon/llcommon.cpp b/indra/llcommon/llcommon.cpp
index 8be9e4f4de..b938b0e65a 100755
--- a/indra/llcommon/llcommon.cpp
+++ b/indra/llcommon/llcommon.cpp
@@ -44,6 +44,7 @@ void LLCommon::initClass()
 	}
 	LLTimer::initClass();
 	LLThreadSafeRefCount::initThreadSafeRefCount();
+	assert_main_thread();		// Make sure we record the main thread
 // 	LLWorkerThread::initClass();
 // 	LLFrameCallbackManager::initClass();
 }
diff --git a/indra/llcommon/llcriticaldamp.cpp b/indra/llcommon/llcriticaldamp.cpp
index 87d79b1ee0..49aac9ce75 100755
--- a/indra/llcommon/llcriticaldamp.cpp
+++ b/indra/llcommon/llcriticaldamp.cpp
@@ -87,3 +87,4 @@ F32 LLCriticalDamp::getInterpolant(const F32 time_constant, BOOL use_cache)
 
 	return interpolant;
 }
+
diff --git a/indra/llcommon/lleventapi.h b/indra/llcommon/lleventapi.h
index 1a37d780b6..5991fe8fd5 100755
--- a/indra/llcommon/lleventapi.h
+++ b/indra/llcommon/lleventapi.h
@@ -47,6 +47,7 @@ class LL_COMMON_API LLEventAPI: public LLDispatchListener,
     typedef LLInstanceTracker<LLEventAPI, std::string> ibase;
 
 public:
+
     /**
      * @param name LLEventPump name on which this LLEventAPI will listen. This
      * also serves as the LLInstanceTracker instance key.
diff --git a/indra/llcommon/lleventtimer.h b/indra/llcommon/lleventtimer.h
index 7f42623d01..dc918121e1 100755
--- a/indra/llcommon/lleventtimer.h
+++ b/indra/llcommon/lleventtimer.h
@@ -36,6 +36,7 @@
 class LL_COMMON_API LLEventTimer : public LLInstanceTracker<LLEventTimer>
 {
 public:
+
 	LLEventTimer(F32 period);	// period is the amount of time between each call to tick() in seconds
 	LLEventTimer(const LLDate& time);
 	virtual ~LLEventTimer();
diff --git a/indra/llcommon/llfasttimer.cpp b/indra/llcommon/llfasttimer.cpp
index 024fdd1b4d..01b6e60d2b 100755
--- a/indra/llcommon/llfasttimer.cpp
+++ b/indra/llcommon/llfasttimer.cpp
@@ -107,17 +107,13 @@ class NamedTimerFactory : public LLSingleton<NamedTimerFactory>
 {
 public:
 	NamedTimerFactory()
-	:	mTimerRoot(NULL)
-	{}
-
-	/*virtual */ void initSingleton()
+	:	mTimerRoot(new LLFastTimer::NamedTimer("root"))
 	{
-		mTimerRoot = new LLFastTimer::NamedTimer("root");
 		mRootFrameState.setNamedTimer(mTimerRoot);
 		mTimerRoot->setFrameState(&mRootFrameState);
 		mTimerRoot->mParent = mTimerRoot;
 		mTimerRoot->setCollapsed(false);
-		mRootFrameState.mParent = &mRootFrameState;
+		mRootFrameState.mParent = &mRootFrameState;	
 	}
 
 	~NamedTimerFactory()
diff --git a/indra/llcommon/llfasttimer.h b/indra/llcommon/llfasttimer.h
index 81c4b78775..a99a1d88af 100755
--- a/indra/llcommon/llfasttimer.h
+++ b/indra/llcommon/llfasttimer.h
@@ -139,10 +139,11 @@ public:
 
 	// used to statically declare a new named timer
 	class LL_COMMON_API DeclareTimer
-	:	public LLInstanceTracker<DeclareTimer>
+	:	public LLInstanceTracker< DeclareTimer >
 	{
 		friend class LLFastTimer;
 	public:
+
 		DeclareTimer(const std::string& name, bool open);
 		DeclareTimer(const std::string& name);
 
diff --git a/indra/llcommon/llfoldertype.h b/indra/llcommon/llfoldertype.h
index a0c847914f..a0c847914f 100755..100644
--- a/indra/llcommon/llfoldertype.h
+++ b/indra/llcommon/llfoldertype.h
diff --git a/indra/llcommon/llinstancetracker.cpp b/indra/llcommon/llinstancetracker.cpp
index 5dc3ea5d7b..64a313b5ff 100755
--- a/indra/llcommon/llinstancetracker.cpp
+++ b/indra/llcommon/llinstancetracker.cpp
@@ -32,18 +32,3 @@
 // external library headers
 // other Linden headers
 
-//static 
-void * & LLInstanceTrackerBase::getInstances(std::type_info const & info)
-{
-	typedef std::map<std::string, void *> InstancesMap;
-	static InstancesMap instances;
-
-	// std::map::insert() is just what we want here. You attempt to insert a
-	// (key, value) pair. If the specified key doesn't yet exist, it inserts
-	// the pair and returns a std::pair of (iterator, true). If the specified
-	// key DOES exist, insert() simply returns (iterator, false). One lookup
-	// handles both cases.
-	return instances.insert(InstancesMap::value_type(info.name(),
-													 InstancesMap::mapped_type()))
-		.first->second;
-}
diff --git a/indra/llcommon/llinstancetracker.h b/indra/llcommon/llinstancetracker.h
index 1eab270e3c..361182380a 100755
--- a/indra/llcommon/llinstancetracker.h
+++ b/indra/llcommon/llinstancetracker.h
@@ -46,21 +46,7 @@
 class LL_COMMON_API LLInstanceTrackerBase
 {
 protected:
-	/// Get a process-unique void* pointer slot for the specified type_info
-	static void * & getInstances(std::type_info const & info);
 
-	/// Find or create a STATICDATA instance for the specified TRACKED class.
-	/// STATICDATA must be default-constructible.
-	template<typename STATICDATA, class TRACKED>
-	static STATICDATA& getStatic()
-	{
-		void *& instances = getInstances(typeid(TRACKED));
-		if (! instances)
-		{
-			instances = new STATICDATA;
-		}
-		return *static_cast<STATICDATA*>(instances);
-	}
 
     /// It's not essential to derive your STATICDATA (for use with
     /// getStatic()) from StaticBase; it's just that both known
@@ -74,6 +60,8 @@ protected:
     };
 };
 
+LL_COMMON_API void assert_main_thread();
+
 /// This mix-in class adds support for tracking all instances of the specified class parameter T
 /// The (optional) key associates a value of type KEY with a given instance of T, for quick lookup
 /// If KEY is not provided, then instances are stored in a simple set
@@ -81,14 +69,18 @@ protected:
 template<typename T, typename KEY = T*>
 class LLInstanceTracker : public LLInstanceTrackerBase
 {
-	typedef LLInstanceTracker<T, KEY> MyT;
+	typedef LLInstanceTracker<T, KEY> self_t;
 	typedef typename std::map<KEY, T*> InstanceMap;
 	struct StaticData: public StaticBase
 	{
 		InstanceMap sMap;
 	};
-	static StaticData& getStatic() { return LLInstanceTrackerBase::getStatic<StaticData, MyT>(); }
-	static InstanceMap& getMap_() { return getStatic().sMap; }
+	static StaticData& getStatic() { static StaticData sData; return sData;}
+	static InstanceMap& getMap_() 
+	{
+		// assert_main_thread();   fwiw this class is not thread safe, and it used by multiple threads.  Bad things happen.
+		return getStatic().sMap; 
+	}
 
 public:
 	class instance_iter : public boost::iterator_facade<instance_iter, T, boost::forward_traversal_tag>
@@ -232,13 +224,13 @@ private:
 template<typename T>
 class LLInstanceTracker<T, T*> : public LLInstanceTrackerBase
 {
-	typedef LLInstanceTracker<T, T*> MyT;
+	typedef LLInstanceTracker<T, T*> self_t;
 	typedef typename std::set<T*> InstanceSet;
 	struct StaticData: public StaticBase
 	{
 		InstanceSet sSet;
 	};
-	static StaticData& getStatic() { return LLInstanceTrackerBase::getStatic<StaticData, MyT>(); }
+	static StaticData& getStatic() { static StaticData sData; return sData; }
 	static InstanceSet& getSet_() { return getStatic().sSet; }
 
 public:
diff --git a/indra/llcommon/llleap.h b/indra/llcommon/llleap.h
index 1a1ad23d39..e33f25e530 100755
--- a/indra/llcommon/llleap.h
+++ b/indra/llcommon/llleap.h
@@ -32,6 +32,7 @@
 class LL_COMMON_API LLLeap: public LLInstanceTracker<LLLeap>
 {
 public:
+
     /**
      * Pass a brief string description, mostly for logging purposes. The desc
      * need not be unique, but obviously the clearer we can make it, the
diff --git a/indra/llcommon/lllslconstants.h b/indra/llcommon/lllslconstants.h
index 9f32598e61..83fa5bc249 100755
--- a/indra/llcommon/lllslconstants.h
+++ b/indra/llcommon/lllslconstants.h
@@ -179,6 +179,24 @@ const S32 OBJECT_VELOCITY = 5;
 const S32 OBJECT_OWNER = 6;
 const S32 OBJECT_GROUP = 7;
 const S32 OBJECT_CREATOR = 8;
+const S32 OBJECT_RUNNING_SCRIPT_COUNT = 9;
+const S32 OBJECT_TOTAL_SCRIPT_COUNT = 10;
+const S32 OBJECT_SCRIPT_MEMORY = 11;
+const S32 OBJECT_SCRIPT_TIME = 12;
+const S32 OBJECT_PRIM_EQUIVALENCE = 13;
+const S32 OBJECT_SERVER_COST = 14;
+const S32 OBJECT_STREAMING_COST = 15;
+const S32 OBJECT_PHYSICS_COST = 16;
+const S32 OBJECT_CHARACTER_TIME = 17;
+const S32 OBJECT_ROOT = 18;
+const S32 OBJECT_ATTACHED_POINT = 19;
+const S32 OBJECT_PATHFINDING_TYPE = 20;
+const S32 OBJECT_PHYSICS = 21;
+const S32 OBJECT_PHANTOM = 22;
+const S32 OBJECT_TEMP_ON_REZ = 23;
+const S32 OBJECT_RENDER_WEIGHT = 24;
+const S32 OBJECT_ATTACHMENT_GEOMETRY_BYTES = 25;
+const S32 OBJECT_ATTACHMENT_SURFACE_AREA = 26;
 
 // llTextBox() magic token string - yes this is a hack.  sue me.
 char const* const TEXTBOX_MAGIC_TOKEN = "!!llTextBox!!";
diff --git a/indra/llcommon/llmemory.h b/indra/llcommon/llmemory.h
index e725bdd9fa..61e30f11cc 100755
--- a/indra/llcommon/llmemory.h
+++ b/indra/llcommon/llmemory.h
@@ -36,19 +36,68 @@ class LLMutex ;
 #define LL_CHECK_MEMORY
 #endif
 
+LL_COMMON_API void ll_assert_aligned_func(uintptr_t ptr,U32 alignment);
+
+#ifdef SHOW_ASSERT
+#define ll_assert_aligned(ptr,alignment) ll_assert_aligned_func(reinterpret_cast<uintptr_t>(ptr),((U32)alignment))
+#else
+#define ll_assert_aligned(ptr,alignment)
+#endif
+
+#include <xmmintrin.h>
+
+template <typename T> T* LL_NEXT_ALIGNED_ADDRESS(T* address) 
+{ 
+	return reinterpret_cast<T*>(
+		(reinterpret_cast<uintptr_t>(address) + 0xF) & ~0xF);
+}
+
+template <typename T> T* LL_NEXT_ALIGNED_ADDRESS_64(T* address) 
+{ 
+	return reinterpret_cast<T*>(
+		(reinterpret_cast<uintptr_t>(address) + 0x3F) & ~0x3F);
+}
+
+#if LL_LINUX || LL_DARWIN
+
+#define			LL_ALIGN_PREFIX(x)
+#define			LL_ALIGN_POSTFIX(x)		__attribute__((aligned(x)))
+
+#elif LL_WINDOWS
+
+#define			LL_ALIGN_PREFIX(x)		__declspec(align(x))
+#define			LL_ALIGN_POSTFIX(x)
+
+#else
+#error "LL_ALIGN_PREFIX and LL_ALIGN_POSTFIX undefined"
+#endif
+
+#define LL_ALIGN_16(var) LL_ALIGN_PREFIX(16) var LL_ALIGN_POSTFIX(16)
+
 inline void* ll_aligned_malloc( size_t size, int align )
 {
+#if defined(LL_WINDOWS)
+	return _aligned_malloc(size, align);
+#else
 	void* mem = malloc( size + (align - 1) + sizeof(void*) );
 	char* aligned = ((char*)mem) + sizeof(void*);
 	aligned += align - ((uintptr_t)aligned & (align - 1));
 
 	((void**)aligned)[-1] = mem;
 	return aligned;
+#endif
 }
 
 inline void ll_aligned_free( void* ptr )
 {
-	free( ((void**)ptr)[-1] );
+#if defined(LL_WINDOWS)
+	_aligned_free(ptr);
+#else
+	if (ptr)
+	{
+		free( ((void**)ptr)[-1] );
+	}
+#endif
 }
 
 #if !LL_USE_TCMALLOC
@@ -133,6 +182,78 @@ inline void ll_aligned_free_32(void *p)
 #endif
 }
 
+
+// Copy words 16-byte blocks from src to dst. Source and destination MUST NOT OVERLAP. 
+// Source and dest must be 16-byte aligned and size must be multiple of 16.
+//
+inline void ll_memcpy_nonaliased_aligned_16(char* __restrict dst, const char* __restrict src, size_t bytes)
+{
+	assert(src != NULL);
+	assert(dst != NULL);
+	assert(bytes > 0);
+	assert((bytes % sizeof(F32))== 0); 
+	ll_assert_aligned(src,16);
+	ll_assert_aligned(dst,16);
+	assert((src < dst) ? ((src + bytes) < dst) : ((dst + bytes) < src));
+	assert(bytes%16==0);
+
+	char* end = dst + bytes;
+
+	if (bytes > 64)
+	{
+
+		// Find start of 64b aligned area within block
+		//
+		void* begin_64 = LL_NEXT_ALIGNED_ADDRESS_64(dst);
+		
+		//at least 64 bytes before the end of the destination, switch to 16 byte copies
+		void* end_64 = end-64;
+	
+		// Prefetch the head of the 64b area now
+		//
+		_mm_prefetch((char*)begin_64, _MM_HINT_NTA);
+		_mm_prefetch((char*)begin_64 + 64, _MM_HINT_NTA);
+		_mm_prefetch((char*)begin_64 + 128, _MM_HINT_NTA);
+		_mm_prefetch((char*)begin_64 + 192, _MM_HINT_NTA);
+	
+		// Copy 16b chunks until we're 64b aligned
+		//
+		while (dst < begin_64)
+		{
+
+			_mm_store_ps((F32*)dst, _mm_load_ps((F32*)src));
+			dst += 16;
+			src += 16;
+		}
+	
+		// Copy 64b chunks up to your tail
+		//
+		// might be good to shmoo the 512b prefetch offset
+		// (characterize performance for various values)
+		//
+		while (dst < end_64)
+		{
+			_mm_prefetch((char*)src + 512, _MM_HINT_NTA);
+			_mm_prefetch((char*)dst + 512, _MM_HINT_NTA);
+			_mm_store_ps((F32*)dst, _mm_load_ps((F32*)src));
+			_mm_store_ps((F32*)(dst + 16), _mm_load_ps((F32*)(src + 16)));
+			_mm_store_ps((F32*)(dst + 32), _mm_load_ps((F32*)(src + 32)));
+			_mm_store_ps((F32*)(dst + 48), _mm_load_ps((F32*)(src + 48)));
+			dst += 64;
+			src += 64;
+		}
+	}
+
+	// Copy remainder 16b tail chunks (or ALL 16b chunks for sub-64b copies)
+	//
+	while (dst < end)
+	{
+		_mm_store_ps((F32*)dst, _mm_load_ps((F32*)src));
+		dst += 16;
+		src += 16;
+	}
+}
+
 #ifndef __DEBUG_PRIVATE_MEM__
 #define __DEBUG_PRIVATE_MEM__  0
 #endif
@@ -541,13 +662,7 @@ void  LLPrivateMemoryPoolTester::operator delete[](void* addr)
 
 // LLSingleton moved to llsingleton.h
 
-LL_COMMON_API void ll_assert_aligned_func(uintptr_t ptr,U32 alignment);
 
-#ifdef SHOW_ASSERT
-#define ll_assert_aligned(ptr,alignment) ll_assert_aligned_func(reinterpret_cast<uintptr_t>(ptr),((U32)alignment))
-#else
-#define ll_assert_aligned(ptr,alignment)
-#endif
 
 
 #endif
diff --git a/indra/llcommon/llsingleton.cpp b/indra/llcommon/llsingleton.cpp
index eb8e2c9456..9b49e52377 100755
--- a/indra/llcommon/llsingleton.cpp
+++ b/indra/llcommon/llsingleton.cpp
@@ -28,5 +28,4 @@
 
 #include "llsingleton.h"
 
-std::map<std::string, void *> * LLSingletonRegistry::sSingletonMap = NULL;
 
diff --git a/indra/llcommon/llsingleton.h b/indra/llcommon/llsingleton.h
index 49d99f2cd0..40002313f1 100755
--- a/indra/llcommon/llsingleton.h
+++ b/indra/llcommon/llsingleton.h
@@ -30,38 +30,6 @@
 #include <typeinfo>
 #include <boost/noncopyable.hpp>
 
-/// @brief A global registry of all singletons to prevent duplicate allocations
-/// across shared library boundaries
-class LL_COMMON_API LLSingletonRegistry {
-	private:
-		typedef std::map<std::string, void *> TypeMap;
-		static TypeMap * sSingletonMap;
-
-		static void checkInit()
-		{
-			if(sSingletonMap == NULL)
-			{
-				sSingletonMap = new TypeMap();
-			}
-		}
-
-	public:
-		template<typename T> static void * & get()
-		{
-			std::string name(typeid(T).name());
-
-			checkInit();
-
-			// the first entry of the pair returned by insert will be either the existing
-			// iterator matching our key, or the newly inserted NULL initialized entry
-			// see "Insert element" in http://www.sgi.com/tech/stl/UniqueAssociativeContainer.html
-			TypeMap::iterator result =
-				sSingletonMap->insert(std::make_pair(name, (void*)NULL)).first;
-
-			return result->second;
-		}
-};
-
 // LLSingleton implements the getInstance() method part of the Singleton
 // pattern. It can't make the derived class constructors protected, though, so
 // you have to do that yourself.
@@ -101,20 +69,23 @@ private:
 	} EInitState;
 	
 	// stores pointer to singleton instance
-	// and tracks initialization state of singleton
-	struct SingletonInstanceData
+	struct SingletonLifetimeManager
 	{
-		EInitState		mInitState;
-		DERIVED_TYPE*	mSingletonInstance;
-		
-		SingletonInstanceData()
-		:	mSingletonInstance(NULL),
-			mInitState(UNINITIALIZED)
-		{}
-
-		~SingletonInstanceData()
+		SingletonLifetimeManager()
+		{
+			construct();
+		}
+
+		static void construct()
 		{
-			if (mInitState != DELETED)
+			sData.mInitState = CONSTRUCTING;
+			sData.mInstance = new DERIVED_TYPE(); 
+			sData.mInitState = INITIALIZING;
+		}
+
+		~SingletonLifetimeManager()
+		{
+			if (sData.mInitState != DELETED)
 			{
 				deleteSingleton();
 			}
@@ -124,9 +95,8 @@ private:
 public:
 	virtual ~LLSingleton()
 	{
-		SingletonInstanceData& data = getData();
-		data.mSingletonInstance = NULL;
-		data.mInitState = DELETED;
+		sData.mInstance = NULL;
+		sData.mInitState = DELETED;
 	}
 
 	/**
@@ -151,50 +121,46 @@ public:
 	 */
 	static void deleteSingleton()
 	{
-		delete getData().mSingletonInstance;
-		getData().mSingletonInstance = NULL;
-		getData().mInitState = DELETED;
+		delete sData.mInstance;
+		sData.mInstance = NULL;
+		sData.mInitState = DELETED;
 	}
 
-	static SingletonInstanceData& getData()
-	{
-		// this is static to cache the lookup results
-		static void * & registry = LLSingletonRegistry::get<DERIVED_TYPE>();
-
-		// *TODO - look into making this threadsafe
-		if(NULL == registry)
-		{
-			static SingletonInstanceData data;
-			registry = &data;
-		}
-
-		return *static_cast<SingletonInstanceData *>(registry);
-	}
 
 	static DERIVED_TYPE* getInstance()
 	{
-		SingletonInstanceData& data = getData();
+		static SingletonLifetimeManager sLifeTimeMgr;
 
-		if (data.mInitState == CONSTRUCTING)
+		switch (sData.mInitState)
 		{
+		case UNINITIALIZED:
+			// should never be uninitialized at this point
+			llassert(false);
+			return NULL;
+		case CONSTRUCTING:
 			llerrs << "Tried to access singleton " << typeid(DERIVED_TYPE).name() << " from singleton constructor!" << llendl;
-		}
-
-		if (data.mInitState == DELETED)
-		{
+			return NULL;
+		case INITIALIZING:
+			// go ahead and flag ourselves as initialized so we can be reentrant during initialization
+			sData.mInitState = INITIALIZED;	
+			sData.mInstance->initSingleton(); 
+			return sData.mInstance;
+		case INITIALIZED:
+			return sData.mInstance;
+		case DELETED:
 			llwarns << "Trying to access deleted singleton " << typeid(DERIVED_TYPE).name() << " creating new instance" << llendl;
+			SingletonLifetimeManager::construct();
+			sData.mInitState = INITIALIZED;	
+			sData.mInstance->initSingleton(); 
+			return sData.mInstance;
 		}
-		
-		if (!data.mSingletonInstance) 
-		{
-			data.mInitState = CONSTRUCTING;
-			data.mSingletonInstance = new DERIVED_TYPE(); 
-			data.mInitState = INITIALIZING;
-			data.mSingletonInstance->initSingleton(); 
-			data.mInitState = INITIALIZED;	
-		}
-		
-		return data.mSingletonInstance;
+
+		return NULL;
+	}
+
+	static DERIVED_TYPE* getIfExists()
+	{
+		return sData.mInstance;
 	}
 
 	// Reference version of getInstance()
@@ -208,18 +174,29 @@ public:
 	// Use this to avoid accessing singletons before the can safely be constructed
 	static bool instanceExists()
 	{
-		return getData().mInitState == INITIALIZED;
+		return sData.mInitState == INITIALIZED;
 	}
 	
 	// Has this singleton already been deleted?
 	// Use this to avoid accessing singletons from a static object's destructor
 	static bool destroyed()
 	{
-		return getData().mInitState == DELETED;
+		return sData.mInitState == DELETED;
 	}
 
 private:
+
 	virtual void initSingleton() {}
+
+	struct SingletonData
+	{
+		EInitState		mInitState;
+		DERIVED_TYPE*	mInstance;
+	};
+	static SingletonData sData;
 };
 
+template<typename T>
+typename LLSingleton<T>::SingletonData LLSingleton<T>::sData;
+
 #endif
diff --git a/indra/llcommon/llstaticstringtable.h b/indra/llcommon/llstaticstringtable.h
new file mode 100644
index 0000000000..d7e0e8a08d
--- /dev/null
+++ b/indra/llcommon/llstaticstringtable.h
@@ -0,0 +1,82 @@
+/** 
+ * @file llstringtable.h
+ * @brief The LLStringTable class provides a _fast_ method for finding
+ * unique copies of strings.
+ *
+ * $LicenseInfo:firstyear=2001&license=viewerlgpl$
+ * 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
+ * $/LicenseInfo$
+ */
+
+#ifndef LL_STATIC_STRING_TABLE_H
+#define LL_STATIC_STRING_TABLE_H
+
+#include "lldefs.h"
+#include <boost/unordered_map.hpp>
+#include "llstl.h"
+
+class LLStaticHashedString
+{
+public:
+
+	LLStaticHashedString(const std::string& s)
+	{
+		string_hash = makehash(s);
+		string		= s;
+	}
+
+	const std::string&	String() const { return string;		}
+	size_t				Hash()	 const { return string_hash;  }
+
+	bool operator==(const LLStaticHashedString& b) const { return Hash() == b.Hash(); }
+
+protected:
+
+	size_t makehash(const std::string& s)
+	{
+		size_t len = s.size();
+		const char* c = s.c_str();
+		size_t hashval = 0;
+		for (size_t i=0; i<len; i++)
+		{
+			hashval = ((hashval<<5) + hashval) + *c++;
+		}
+		return hashval;
+	}
+
+	std::string string;
+	size_t		string_hash;
+};
+
+struct LLStaticStringHasher
+{
+	enum { bucket_size = 8 };
+	size_t operator()(const LLStaticHashedString& key_value) const { return key_value.Hash(); }
+	bool   operator()(const LLStaticHashedString& left, const LLStaticHashedString& right) const { return left.Hash() < right.Hash(); }
+};
+
+template< typename MappedObject >
+class LL_COMMON_API LLStaticStringTable
+	: public boost::unordered_map< LLStaticHashedString, MappedObject, LLStaticStringHasher >
+{
+};
+
+#endif
+
diff --git a/indra/llcommon/llstringtable.h b/indra/llcommon/llstringtable.h
index 59d7372ed4..ff09e71677 100755
--- a/indra/llcommon/llstringtable.h
+++ b/indra/llcommon/llstringtable.h
@@ -42,14 +42,6 @@
 //# define STRING_TABLE_HASH_MAP 1
 #endif
 
-#if STRING_TABLE_HASH_MAP
-# if LL_WINDOWS
-#  include <hash_map>
-# else
-#  include <ext/hash_map>
-# endif
-#endif
-
 const U32 MAX_STRINGS_LENGTH = 256;
 
 class LL_COMMON_API LLStringTableEntry
diff --git a/indra/llcommon/llthread.cpp b/indra/llcommon/llthread.cpp
index 1d56a52c32..60adeeaeb7 100755
--- a/indra/llcommon/llthread.cpp
+++ b/indra/llcommon/llthread.cpp
@@ -67,7 +67,8 @@ LL_COMMON_API void assert_main_thread()
 	static U32 s_thread_id = LLThread::currentID();
 	if (LLThread::currentID() != s_thread_id)
 	{
-		llerrs << "Illegal execution outside main thread." << llendl;
+		llwarns << "Illegal execution from thread id " << (S32) LLThread::currentID()
+			<< " outside main thread " << (S32) s_thread_id << llendl;
 	}
 }
 
@@ -495,15 +496,7 @@ LLThreadSafeRefCount::LLThreadSafeRefCount() :
 
 LLThreadSafeRefCount::LLThreadSafeRefCount(const LLThreadSafeRefCount& src)
 {
-	if (sMutex)
-	{
-		sMutex->lock();
-	}
 	mRef = 0;
-	if (sMutex)
-	{
-		sMutex->unlock();
-	}
 }
 
 LLThreadSafeRefCount::~LLThreadSafeRefCount()
diff --git a/indra/llcommon/llthread.h b/indra/llcommon/llthread.h
index 0fb89c5613..f51d985b5f 100755
--- a/indra/llcommon/llthread.h
+++ b/indra/llcommon/llthread.h
@@ -242,49 +242,39 @@ public:
 	LLThreadSafeRefCount(const LLThreadSafeRefCount&);
 	LLThreadSafeRefCount& operator=(const LLThreadSafeRefCount& ref) 
 	{
-		if (sMutex)
-		{
-			sMutex->lock();
-		}
 		mRef = 0;
-		if (sMutex)
-		{
-			sMutex->unlock();
-		}
 		return *this;
 	}
 
-
-	
 	void ref()
 	{
-		if (sMutex) sMutex->lock();
 		mRef++; 
-		if (sMutex) sMutex->unlock();
 	} 
 
-	S32 unref()
+	void unref()
 	{
 		llassert(mRef >= 1);
-		if (sMutex) sMutex->lock();
-		S32 res = --mRef;
-		if (sMutex) sMutex->unlock();
-		if (0 == res) 
-		{
-			delete this; 
-			return 0;
+		if ((--mRef) == 0)		// See note in llapr.h on atomic decrement operator return value.  
+		{	
+			// If we hit zero, the caller should be the only smart pointer owning the object and we can delete it.
+			// It is technically possible for a vanilla pointer to mess this up, or another thread to
+			// jump in, find this object, create another smart pointer and end up dangling, but if
+			// the code is that bad and not thread-safe, it's trouble already.
+			delete this;
 		}
-		return res;
-	}	
+	}
+
 	S32 getNumRefs() const
 	{
-		return mRef;
+		const S32 currentVal = mRef.CurrentValue();
+		return currentVal;
 	}
 
 private: 
-	S32	mRef; 
+	LLAtomic32< S32	> mRef; 
 };
 
+
 /**
  * intrusive pointer support for LLThreadSafeRefCount
  * this allows you to use boost::intrusive_ptr with any LLThreadSafeRefCount-derived type
@@ -315,4 +305,6 @@ public:
 
 //============================================================================
 
+extern LL_COMMON_API void assert_main_thread();
+
 #endif // LL_LLTHREAD_H
diff --git a/indra/llcorehttp/_httpinternal.h b/indra/llcorehttp/_httpinternal.h
index 14f744a9f1..008e4fd95c 100755
--- a/indra/llcorehttp/_httpinternal.h
+++ b/indra/llcorehttp/_httpinternal.h
@@ -146,9 +146,6 @@ const int HTTP_SERVICE_LOOP_SLEEP_NORMAL_MS = 2;
 // Block allocation size (a tuning parameter) is found
 // in bufferarray.h.
 
-// Compatibility controls
-const bool HTTP_ENABLE_LINKSYS_WRT54G_V5_DNS_FIX = true;
-
 }  // end namespace LLCore
 
 #endif	// _LLCORE_HTTP_INTERNAL_H_
diff --git a/indra/llcorehttp/_httpoprequest.cpp b/indra/llcorehttp/_httpoprequest.cpp
index 51a8eaf998..207ed8e1e4 100755
--- a/indra/llcorehttp/_httpoprequest.cpp
+++ b/indra/llcorehttp/_httpoprequest.cpp
@@ -4,7 +4,7 @@
  *
  * $LicenseInfo:firstyear=2012&license=viewerlgpl$
  * Second Life Viewer Source Code
- * Copyright (C) 2012, Linden Research, Inc.
+ * Copyright (C) 2012-2013, 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
@@ -186,9 +186,11 @@ void HttpOpRequest::stageFromActive(HttpService * service)
 	if (mReplyLength)
 	{
 		// If non-zero, we received and processed a Content-Range
-		// header with the response.  Verify that what it says
-		// is consistent with the received data.
-		if (mReplyLength != mReplyBody->size())
+		// header with the response.  If there is received data
+		// (and there may not be due to protocol violations,
+		// HEAD requests, etc., see BUG-2295) Verify that what it
+		// says is consistent with the received data.
+		if (mReplyBody && mReplyBody->size() && mReplyLength != mReplyBody->size())
 		{
 			// Not as expected, fail the request
 			mStatus = HttpStatus(HttpStatus::LLCORE, HE_INV_CONTENT_RANGE_HDR);
@@ -339,7 +341,6 @@ void HttpOpRequest::setupCommon(HttpRequest::policy_t policy_id,
 	}
 }
 
-
 // Sets all libcurl options and data for a request.
 //
 // Used both for initial requests and to 'reload' for
@@ -381,41 +382,15 @@ HttpStatus HttpOpRequest::prepareRequest(HttpService * service)
 	// Get policy options
 	HttpPolicyGlobal & policy(service->getPolicy().getGlobalOptions());
 	
-	mCurlHandle = curl_easy_init();
-	curl_easy_setopt(mCurlHandle, CURLOPT_IPRESOLVE, CURL_IPRESOLVE_V4);
-	curl_easy_setopt(mCurlHandle, CURLOPT_NOSIGNAL, 1);
-	curl_easy_setopt(mCurlHandle, CURLOPT_NOPROGRESS, 1);
-	curl_easy_setopt(mCurlHandle, CURLOPT_URL, mReqURL.c_str());
-	curl_easy_setopt(mCurlHandle, CURLOPT_PRIVATE, this);
-	curl_easy_setopt(mCurlHandle, CURLOPT_ENCODING, "");
+	mCurlHandle = LLCurl::createStandardCurlHandle();
 
-	if (HTTP_ENABLE_LINKSYS_WRT54G_V5_DNS_FIX)
-	{
-		// The Linksys WRT54G V5 router has an issue with frequent
-		// DNS lookups from LAN machines.  If they happen too often,
-		// like for every HTTP request, the router gets annoyed after
-		// about 700 or so requests and starts issuing TCP RSTs to
-		// new connections.  Reuse the DNS lookups for even a few
-		// seconds and no RSTs.
-		curl_easy_setopt(mCurlHandle, CURLOPT_DNS_CACHE_TIMEOUT, 15);
-	}
-	else
-	{
-		// *TODO:  Revisit this old DNS timeout setting - may no longer be valid
-		// I don't think this is valid anymore, the Multi shared DNS
-		// cache is working well.  For the case of naked easy handles,
-		// consider using a shared DNS object.
-		curl_easy_setopt(mCurlHandle, CURLOPT_DNS_CACHE_TIMEOUT, 0);
-	}
-	curl_easy_setopt(mCurlHandle, CURLOPT_AUTOREFERER, 1);
-	curl_easy_setopt(mCurlHandle, CURLOPT_FOLLOWLOCATION, 1);
-	curl_easy_setopt(mCurlHandle, CURLOPT_MAXREDIRS, HTTP_REDIRECTS_DEFAULT);
 	curl_easy_setopt(mCurlHandle, CURLOPT_WRITEFUNCTION, writeCallback);
-	curl_easy_setopt(mCurlHandle, CURLOPT_WRITEDATA, this);
-	curl_easy_setopt(mCurlHandle, CURLOPT_READFUNCTION, readCallback);
+	curl_easy_setopt(mCurlHandle, CURLOPT_READFUNCTION,  readCallback);	
 	curl_easy_setopt(mCurlHandle, CURLOPT_READDATA, this);
-	curl_easy_setopt(mCurlHandle, CURLOPT_SSL_VERIFYPEER, 1);
-	curl_easy_setopt(mCurlHandle, CURLOPT_SSL_VERIFYHOST, 0);
+	curl_easy_setopt(mCurlHandle, CURLOPT_WRITEDATA, this);
+	curl_easy_setopt(mCurlHandle, CURLOPT_URL, mReqURL.c_str());
+	curl_easy_setopt(mCurlHandle, CURLOPT_PRIVATE, this);
+	curl_easy_setopt(mCurlHandle, CURLOPT_MAXREDIRS, HTTP_REDIRECTS_DEFAULT);	
 
 	const std::string * opt_value(NULL);
 	long opt_long(0L);
@@ -694,7 +669,7 @@ int HttpOpRequest::debugCallback(CURL * handle, curl_infotype info, char * buffe
 	std::string safe_line;
 	std::string tag;
 	bool logit(false);
-	len = (std::min)(len, size_t(256));					// Keep things reasonable in all cases
+	const size_t log_len((std::min)(len, size_t(256)));		// Keep things reasonable in all cases
 	
 	switch (info)
 	{
@@ -702,7 +677,7 @@ int HttpOpRequest::debugCallback(CURL * handle, curl_infotype info, char * buffe
 		if (op->mTracing >= HTTP_TRACE_CURL_HEADERS)
 		{
 			tag = "TEXT";
-			escape_libcurl_debug_data(buffer, len, true, safe_line);
+			escape_libcurl_debug_data(buffer, log_len, true, safe_line);
 			logit = true;
 		}
 		break;
@@ -711,7 +686,7 @@ int HttpOpRequest::debugCallback(CURL * handle, curl_infotype info, char * buffe
 		if (op->mTracing >= HTTP_TRACE_CURL_HEADERS)
 		{
 			tag = "HEADERIN";
-			escape_libcurl_debug_data(buffer, len, true, safe_line);
+			escape_libcurl_debug_data(buffer, log_len, true, safe_line);
 			logit = true;
 		}
 		break;
@@ -720,7 +695,7 @@ int HttpOpRequest::debugCallback(CURL * handle, curl_infotype info, char * buffe
 		if (op->mTracing >= HTTP_TRACE_CURL_HEADERS)
 		{
 			tag = "HEADEROUT";
-			escape_libcurl_debug_data(buffer, 2 * len, true, safe_line);		// Goes out as one line
+			escape_libcurl_debug_data(buffer, log_len, true, safe_line);	// Goes out as one line unlike header_in
 			logit = true;
 		}
 		break;
@@ -732,7 +707,7 @@ int HttpOpRequest::debugCallback(CURL * handle, curl_infotype info, char * buffe
 			logit = true;
 			if (op->mTracing >= HTTP_TRACE_CURL_BODIES)
 			{
-				escape_libcurl_debug_data(buffer, len, false, safe_line);
+				escape_libcurl_debug_data(buffer, log_len, false, safe_line);
 			}
 			else
 			{
@@ -750,7 +725,7 @@ int HttpOpRequest::debugCallback(CURL * handle, curl_infotype info, char * buffe
 			logit = true;
 			if (op->mTracing >= HTTP_TRACE_CURL_BODIES)
 			{
-				escape_libcurl_debug_data(buffer, len, false, safe_line);
+				escape_libcurl_debug_data(buffer, log_len, false, safe_line);
 			}
 			else
 			{
diff --git a/indra/llcorehttp/_httpoprequest.h b/indra/llcorehttp/_httpoprequest.h
index 7b65d17783..74a349b0bf 100755
--- a/indra/llcorehttp/_httpoprequest.h
+++ b/indra/llcorehttp/_httpoprequest.h
@@ -60,7 +60,6 @@ class HttpOptions;
 /// the information needed to make a working request which can
 /// then be enqueued to a request queue.
 ///
-
 class HttpOpRequest : public HttpOperation
 {
 public:
diff --git a/indra/llcorehttp/_httppolicy.cpp b/indra/llcorehttp/_httppolicy.cpp
index 76c1e22431..014bd37e2e 100755
--- a/indra/llcorehttp/_httppolicy.cpp
+++ b/indra/llcorehttp/_httppolicy.cpp
@@ -4,7 +4,7 @@
  *
  * $LicenseInfo:firstyear=2012&license=viewerlgpl$
  * Second Life Viewer Source Code
- * Copyright (C) 2012, Linden Research, Inc.
+ * Copyright (C) 2012-2013, 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
@@ -319,33 +319,13 @@ bool HttpPolicy::cancel(HttpHandle handle)
 
 bool HttpPolicy::stageAfterCompletion(HttpOpRequest * op)
 {
-	static const HttpStatus cant_connect(HttpStatus::EXT_CURL_EASY, CURLE_COULDNT_CONNECT);
-	static const HttpStatus cant_res_proxy(HttpStatus::EXT_CURL_EASY, CURLE_COULDNT_RESOLVE_PROXY);
-	static const HttpStatus cant_res_host(HttpStatus::EXT_CURL_EASY, CURLE_COULDNT_RESOLVE_HOST);
-	static const HttpStatus send_error(HttpStatus::EXT_CURL_EASY, CURLE_SEND_ERROR);
-	static const HttpStatus recv_error(HttpStatus::EXT_CURL_EASY, CURLE_RECV_ERROR);
-	static const HttpStatus upload_failed(HttpStatus::EXT_CURL_EASY, CURLE_UPLOAD_FAILED);
-	static const HttpStatus op_timedout(HttpStatus::EXT_CURL_EASY, CURLE_OPERATION_TIMEDOUT);
-	static const HttpStatus post_error(HttpStatus::EXT_CURL_EASY, CURLE_HTTP_POST_ERROR);
-
 	// Retry or finalize
 	if (! op->mStatus)
 	{
-		// If this failed, we might want to retry.  Have to inspect
-		// the status a little more deeply for those reasons worth retrying...
-		if (op->mPolicyRetries < op->mPolicyRetryLimit &&
-			((op->mStatus.isHttpStatus() && op->mStatus.mType >= 499 && op->mStatus.mType <= 599) ||
-			 cant_connect == op->mStatus ||
-			 cant_res_proxy == op->mStatus ||
-			 cant_res_host == op->mStatus ||
-			 send_error == op->mStatus ||
-			 recv_error == op->mStatus ||
-			 upload_failed == op->mStatus ||
-			 op_timedout == op->mStatus ||
-			 post_error == op->mStatus))
+		// If this failed, we might want to retry.
+		if (op->mPolicyRetries < op->mPolicyRetryLimit && op->mStatus.isRetryable())
 		{
-			// Okay, worth a retry.  We include 499 in this test as
-			// it's the old 'who knows?' error from many grid services...
+			// Okay, worth a retry.
 			retryOp(op);
 			return true;				// still active/ready
 		}
diff --git a/indra/llcorehttp/httpcommon.cpp b/indra/llcorehttp/httpcommon.cpp
index f2fcbf77a3..0738760763 100755
--- a/indra/llcorehttp/httpcommon.cpp
+++ b/indra/llcorehttp/httpcommon.cpp
@@ -4,7 +4,7 @@
  *
  * $LicenseInfo:firstyear=2012&license=viewerlgpl$
  * Second Life Viewer Source Code
- * Copyright (C) 2012, Linden Research, Inc.
+ * Copyright (C) 2012-2013, 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
@@ -116,6 +116,7 @@ std::string HttpStatus::toString() const
 			{ 415, "Unsupported Media Type" },
 			{ 416, "Requested range not satisfiable" },
 			{ 417, "Expectation Failed" },
+			{ 499, "Linden Catch-All" },
 			{ 500, "Internal Server Error" },
 			{ 501, "Not Implemented" },
 			{ 502, "Bad Gateway" },
@@ -174,6 +175,37 @@ std::string HttpStatus::toString() const
 	}
 	return std::string("Unknown error");
 }
+
+
+// Pass true on statuses that might actually be cleared by a
+// retry.  Library failures, calling problems, etc. aren't
+// going to be fixed by squirting bits all over the Net.
+bool HttpStatus::isRetryable() const
+{
+	static const HttpStatus cant_connect(HttpStatus::EXT_CURL_EASY, CURLE_COULDNT_CONNECT);
+	static const HttpStatus cant_res_proxy(HttpStatus::EXT_CURL_EASY, CURLE_COULDNT_RESOLVE_PROXY);
+	static const HttpStatus cant_res_host(HttpStatus::EXT_CURL_EASY, CURLE_COULDNT_RESOLVE_HOST);
+	static const HttpStatus send_error(HttpStatus::EXT_CURL_EASY, CURLE_SEND_ERROR);
+	static const HttpStatus recv_error(HttpStatus::EXT_CURL_EASY, CURLE_RECV_ERROR);
+	static const HttpStatus upload_failed(HttpStatus::EXT_CURL_EASY, CURLE_UPLOAD_FAILED);
+	static const HttpStatus op_timedout(HttpStatus::EXT_CURL_EASY, CURLE_OPERATION_TIMEDOUT);
+	static const HttpStatus post_error(HttpStatus::EXT_CURL_EASY, CURLE_HTTP_POST_ERROR);
+	static const HttpStatus partial_file(HttpStatus::EXT_CURL_EASY, CURLE_PARTIAL_FILE);
+	static const HttpStatus inv_cont_range(HttpStatus::LLCORE, HE_INV_CONTENT_RANGE_HDR);
+
+	return ((isHttpStatus() && mType >= 499 && mType <= 599) ||	// Include special 499 in retryables
+			*this == cant_connect ||	// Connection reset/endpoint problems
+			*this == cant_res_proxy ||	// DNS problems
+			*this == cant_res_host ||	// DNS problems
+			*this == send_error ||		// General socket problems 
+			*this == recv_error ||		// General socket problems 
+			*this == upload_failed ||	// Transport problem
+			*this == op_timedout ||		// Timer expired
+			*this == post_error ||		// Transport problem
+			*this == partial_file ||	// Data inconsistency in response
+			*this == inv_cont_range);	// Short data read disagrees with content-range
+}
+
 		
 } // end namespace LLCore
 
diff --git a/indra/llcorehttp/httpcommon.h b/indra/llcorehttp/httpcommon.h
index c0d4ec5aad..41fb5164cf 100755
--- a/indra/llcorehttp/httpcommon.h
+++ b/indra/llcorehttp/httpcommon.h
@@ -4,7 +4,7 @@
  *
  * $LicenseInfo:firstyear=2012&license=viewerlgpl$
  * Second Life Viewer Source Code
- * Copyright (C) 2012, Linden Research, Inc.
+ * Copyright (C) 2012-2013, 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
@@ -303,6 +303,12 @@ struct HttpStatus
 	{
 		return 	mType >= type_enum_t(100) && mType <= type_enum_t(999);
 	}
+
+	/// Returns true if the status is one that will be retried
+	/// internally.  Provided for external consumption for cases
+	/// where that logic needs to be replicated.  Only applies
+	/// to failed statuses, successful statuses will return false.
+	bool isRetryable() const;
 	
 }; // end struct HttpStatus
 
diff --git a/indra/llcorehttp/httpresponse.h b/indra/llcorehttp/httpresponse.h
index 4a481db6ac..f19b521fbf 100755
--- a/indra/llcorehttp/httpresponse.h
+++ b/indra/llcorehttp/httpresponse.h
@@ -48,8 +48,9 @@ class HttpHeaders;
 /// individual pieces of the response.
 ///
 /// Typical usage will have the caller interrogate the object
-/// and return from the handler callback.  Instances are refcounted
-/// and callers can bump the count and retain the object as needed.
+/// during the handler callback and then simply returning.
+/// But instances are refcounted and and callers can add a
+/// reference and hold onto the object after the callback.
 ///
 /// Threading:  Not intrinsically thread-safe.
 ///
@@ -119,6 +120,10 @@ public:
 	/// caller is going to have to make assumptions on receipt of
 	/// a 206 status.  The @full value may also be zero in cases of
 	/// parsing problems or a wild-carded length response.
+	///
+	/// These values will not necessarily agree with the data in
+	/// the body itself (if present).  The BufferArray object
+	/// is authoritative for actual data length.
 	void getRange(unsigned int * offset, unsigned int * length, unsigned int * full) const
 		{
 			*offset = mReplyOffset;
diff --git a/indra/llcorehttp/tests/test_httprequest.hpp b/indra/llcorehttp/tests/test_httprequest.hpp
index e5488cf941..900a699887 100755
--- a/indra/llcorehttp/tests/test_httprequest.hpp
+++ b/indra/llcorehttp/tests/test_httprequest.hpp
@@ -4,7 +4,7 @@
  *
  * $LicenseInfo:firstyear=2012&license=viewerlgpl$
  * Second Life Viewer Source Code
- * Copyright (C) 2012, Linden Research, Inc.
+ * Copyright (C) 2012-2013, 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
@@ -45,6 +45,15 @@
 
 using namespace LLCoreInt;
 
+// spin/sleep waiting times for client/server exchange tests
+//
+// These are now fairly generous to try to get around timeout
+// ('reasonable time') failures during execution on a heavily-
+// loaded system where the unit test is in competition with
+// other programs.
+static const int LOOP_SLEEP_INTERVAL(10000);
+static const int LOOP_COUNT_SHORT(500);			// 5-second dwell time
+static const int LOOP_COUNT_LONG(3000);			// 30-second dwell time
 
 namespace
 {
@@ -294,11 +303,11 @@ void HttpRequestTestObjectType::test<3>()
 
 		// Run the notification pump.
 		int count(0);
-		int limit(20);
+		int limit(LOOP_COUNT_SHORT);
 		while (count++ < limit && mHandlerCalls < 1)
 		{
 			req->update(1000000);
-			usleep(100000);
+			usleep(LOOP_SLEEP_INTERVAL);
 		}
 		ensure("Request executed in reasonable time", count < limit);
 		ensure("One handler invocation for request", mHandlerCalls == 1);
@@ -309,21 +318,21 @@ void HttpRequestTestObjectType::test<3>()
 	
 		// Run the notification pump again
 		count = 0;
-		limit = 100;
+		limit = LOOP_COUNT_LONG;
 		while (count++ < limit && mHandlerCalls < 2)
 		{
 			req->update(1000000);
-			usleep(100000);
+			usleep(LOOP_SLEEP_INTERVAL);
 		}
 		ensure("Second request executed in reasonable time", count < limit);
 		ensure("Second handler invocation", mHandlerCalls == 2);
 
 		// See that we actually shutdown the thread
 		count = 0;
-		limit = 10;
+		limit = LOOP_COUNT_SHORT;
 		while (count++ < limit && ! HttpService::isStopped())
 		{
-			usleep(100000);
+			usleep(LOOP_SLEEP_INTERVAL);
 		}
 		ensure("Thread actually stopped running", HttpService::isStopped());
 	
@@ -392,12 +401,12 @@ void HttpRequestTestObjectType::test<4>()
 
 		// Run the notification pump.
 		int count(0);
-		int limit(20);
+		int limit(LOOP_COUNT_LONG);
 		while (count++ < limit && mHandlerCalls < 2)
 		{
 			req1->update(1000000);
 			req2->update(1000000);
-			usleep(100000);
+			usleep(LOOP_SLEEP_INTERVAL);
 		}
 		ensure("Request executed in reasonable time", count < limit);
 		ensure("One handler invocation for request", mHandlerCalls == 2);
@@ -409,22 +418,22 @@ void HttpRequestTestObjectType::test<4>()
 	
 		// Run the notification pump again
 		count = 0;
-		limit = 100;
+		limit = LOOP_COUNT_LONG;
 		while (count++ < limit && mHandlerCalls < 3)
 		{
 			req1->update(1000000);
 			req2->update(1000000);
-			usleep(100000);
+			usleep(LOOP_SLEEP_INTERVAL);
 		}
 		ensure("Second request executed in reasonable time", count < limit);
 		ensure("Second handler invocation", mHandlerCalls == 3);
 
 		// See that we actually shutdown the thread
 		count = 0;
-		limit = 10;
+		limit = LOOP_COUNT_SHORT;
 		while (count++ < limit && ! HttpService::isStopped())
 		{
-			usleep(100000);
+			usleep(LOOP_SLEEP_INTERVAL);
 		}
 		ensure("Thread actually stopped running", HttpService::isStopped());
 	
@@ -493,11 +502,11 @@ void HttpRequestTestObjectType::test<5>()
 
 		// Run the notification pump.
 		int count(0);
-		int limit(10);
+		int limit(LOOP_COUNT_SHORT);
 		while (count++ < limit && mHandlerCalls < 1)
 		{
 			req->update(1000000);
-			usleep(100000);
+			usleep(LOOP_SLEEP_INTERVAL);
 		}
 		ensure("NoOp notification received", mHandlerCalls == 1);
 
@@ -569,11 +578,11 @@ void HttpRequestTestObjectType::test<6>()
 
 		// Run the notification pump.
 		int count(0);
-		int limit(10);
+		int limit(LOOP_COUNT_SHORT);
 		while (count++ < limit && mHandlerCalls < 1)
 		{
 			req->update(1000000);
-			usleep(100000);
+			usleep(LOOP_SLEEP_INTERVAL);
 		}
 		ensure("No notifications received", mHandlerCalls == 0);
 
@@ -650,11 +659,11 @@ void HttpRequestTestObjectType::test<7>()
 
 		// Run the notification pump.
 		int count(0);
-		int limit(50);				// With one retry, should fail quickish
+		int limit(LOOP_COUNT_LONG);
 		while (count++ < limit && mHandlerCalls < 1)
 		{
 			req->update(1000000);
-			usleep(100000);
+			usleep(LOOP_SLEEP_INTERVAL);
 		}
 		ensure("Request executed in reasonable time", count < limit);
 		ensure("One handler invocation for request", mHandlerCalls == 1);
@@ -666,21 +675,21 @@ void HttpRequestTestObjectType::test<7>()
 	
 		// Run the notification pump again
 		count = 0;
-		limit = 100;
+		limit = LOOP_COUNT_LONG;
 		while (count++ < limit && mHandlerCalls < 2)
 		{
 			req->update(1000000);
-			usleep(100000);
+			usleep(LOOP_SLEEP_INTERVAL);
 		}
 		ensure("Second request executed in reasonable time", count < limit);
 		ensure("Second handler invocation", mHandlerCalls == 2);
 
 		// See that we actually shutdown the thread
 		count = 0;
-		limit = 10;
+		limit = LOOP_COUNT_SHORT;
 		while (count++ < limit && ! HttpService::isStopped())
 		{
-			usleep(100000);
+			usleep(LOOP_SLEEP_INTERVAL);
 		}
 		ensure("Thread actually stopped running", HttpService::isStopped());
 
@@ -766,11 +775,11 @@ void HttpRequestTestObjectType::test<8>()
 
 		// Run the notification pump.
 		int count(0);
-		int limit(10);
+		int limit(LOOP_COUNT_LONG);
 		while (count++ < limit && mHandlerCalls < 1)
 		{
 			req->update(1000000);
-			usleep(100000);
+			usleep(LOOP_SLEEP_INTERVAL);
 		}
 		ensure("Request executed in reasonable time", count < limit);
 		ensure("One handler invocation for request", mHandlerCalls == 1);
@@ -782,21 +791,21 @@ void HttpRequestTestObjectType::test<8>()
 	
 		// Run the notification pump again
 		count = 0;
-		limit = 10;
+		limit = LOOP_COUNT_LONG;
 		while (count++ < limit && mHandlerCalls < 2)
 		{
 			req->update(1000000);
-			usleep(100000);
+			usleep(LOOP_SLEEP_INTERVAL);
 		}
 		ensure("Second request executed in reasonable time", count < limit);
 		ensure("Second handler invocation", mHandlerCalls == 2);
 
 		// See that we actually shutdown the thread
 		count = 0;
-		limit = 10;
+		limit = LOOP_COUNT_SHORT;
 		while (count++ < limit && ! HttpService::isStopped())
 		{
-			usleep(100000);
+			usleep(LOOP_SLEEP_INTERVAL);
 		}
 		ensure("Thread actually stopped running", HttpService::isStopped());
 	
@@ -876,11 +885,11 @@ void HttpRequestTestObjectType::test<9>()
 
 		// Run the notification pump.
 		int count(0);
-		int limit(10);
+		int limit(LOOP_COUNT_LONG);
 		while (count++ < limit && mHandlerCalls < 1)
 		{
 			req->update(1000000);
-			usleep(100000);
+			usleep(LOOP_SLEEP_INTERVAL);
 		}
 		ensure("Request executed in reasonable time", count < limit);
 		ensure("One handler invocation for request", mHandlerCalls == 1);
@@ -892,21 +901,21 @@ void HttpRequestTestObjectType::test<9>()
 	
 		// Run the notification pump again
 		count = 0;
-		limit = 10;
+		limit = LOOP_COUNT_LONG;
 		while (count++ < limit && mHandlerCalls < 2)
 		{
 			req->update(1000000);
-			usleep(100000);
+			usleep(LOOP_SLEEP_INTERVAL);
 		}
 		ensure("Second request executed in reasonable time", count < limit);
 		ensure("Second handler invocation", mHandlerCalls == 2);
 
 		// See that we actually shutdown the thread
 		count = 0;
-		limit = 10;
+		limit = LOOP_COUNT_SHORT;
 		while (count++ < limit && ! HttpService::isStopped())
 		{
-			usleep(100000);
+			usleep(LOOP_SLEEP_INTERVAL);
 		}
 		ensure("Thread actually stopped running", HttpService::isStopped());
 	
@@ -988,11 +997,11 @@ void HttpRequestTestObjectType::test<10>()
 
 		// Run the notification pump.
 		int count(0);
-		int limit(10);
+		int limit(LOOP_COUNT_LONG);
 		while (count++ < limit && mHandlerCalls < 1)
 		{
 			req->update(1000000);
-			usleep(100000);
+			usleep(LOOP_SLEEP_INTERVAL);
 		}
 		ensure("Request executed in reasonable time", count < limit);
 		ensure("One handler invocation for request", mHandlerCalls == 1);
@@ -1004,21 +1013,21 @@ void HttpRequestTestObjectType::test<10>()
 	
 		// Run the notification pump again
 		count = 0;
-		limit = 10;
+		limit = LOOP_COUNT_LONG;
 		while (count++ < limit && mHandlerCalls < 2)
 		{
 			req->update(1000000);
-			usleep(100000);
+			usleep(LOOP_SLEEP_INTERVAL);
 		}
 		ensure("Second request executed in reasonable time", count < limit);
 		ensure("Second handler invocation", mHandlerCalls == 2);
 
 		// See that we actually shutdown the thread
 		count = 0;
-		limit = 10;
+		limit = LOOP_COUNT_SHORT;
 		while (count++ < limit && ! HttpService::isStopped())
 		{
-			usleep(100000);
+			usleep(LOOP_SLEEP_INTERVAL);
 		}
 		ensure("Thread actually stopped running", HttpService::isStopped());
 
@@ -1106,11 +1115,11 @@ void HttpRequestTestObjectType::test<11>()
 
 		// Run the notification pump.
 		int count(0);
-		int limit(10);
+		int limit(LOOP_COUNT_LONG);
 		while (count++ < limit && mHandlerCalls < 1)
 		{
 			req->update(1000000);
-			usleep(100000);
+			usleep(LOOP_SLEEP_INTERVAL);
 		}
 		ensure("Request executed in reasonable time", count < limit);
 		ensure("One handler invocation for request", mHandlerCalls == 1);
@@ -1122,21 +1131,21 @@ void HttpRequestTestObjectType::test<11>()
 	
 		// Run the notification pump again
 		count = 0;
-		limit = 10;
+		limit = LOOP_COUNT_LONG;
 		while (count++ < limit && mHandlerCalls < 2)
 		{
 			req->update(1000000);
-			usleep(100000);
+			usleep(LOOP_SLEEP_INTERVAL);
 		}
 		ensure("Second request executed in reasonable time", count < limit);
 		ensure("Second handler invocation", mHandlerCalls == 2);
 
 		// See that we actually shutdown the thread
 		count = 0;
-		limit = 10;
+		limit = LOOP_COUNT_SHORT;
 		while (count++ < limit && ! HttpService::isStopped())
 		{
-			usleep(100000);
+			usleep(LOOP_SLEEP_INTERVAL);
 		}
 		ensure("Thread actually stopped running", HttpService::isStopped());
 
@@ -1226,11 +1235,11 @@ void HttpRequestTestObjectType::test<12>()
 
 		// Run the notification pump.
 		int count(0);
-		int limit(10);
+		int limit(LOOP_COUNT_LONG);
 		while (count++ < limit && mHandlerCalls < 1)
 		{
 			req->update(1000000);
-			usleep(100000);
+			usleep(LOOP_SLEEP_INTERVAL);
 		}
 		ensure("Request executed in reasonable time", count < limit);
 		ensure("One handler invocation for request", mHandlerCalls == 1);
@@ -1242,21 +1251,21 @@ void HttpRequestTestObjectType::test<12>()
 	
 		// Run the notification pump again
 		count = 0;
-		limit = 10;
+		limit = LOOP_COUNT_LONG;
 		while (count++ < limit && mHandlerCalls < 2)
 		{
 			req->update(1000000);
-			usleep(100000);
+			usleep(LOOP_SLEEP_INTERVAL);
 		}
 		ensure("Second request executed in reasonable time", count < limit);
 		ensure("Second handler invocation", mHandlerCalls == 2);
 
 		// See that we actually shutdown the thread
 		count = 0;
-		limit = 10;
+		limit = LOOP_COUNT_SHORT;
 		while (count++ < limit && ! HttpService::isStopped())
 		{
-			usleep(100000);
+			usleep(LOOP_SLEEP_INTERVAL);
 		}
 		ensure("Thread actually stopped running", HttpService::isStopped());
 	
@@ -1339,8 +1348,8 @@ void HttpRequestTestObjectType::test<13>()
 		HttpHandle handle = req->requestGetByteRange(HttpRequest::DEFAULT_POLICY_ID,
 													 0U,
 													 url_base,
-													 0,
-													 0,
+													 0,	
+												 0,
 													 opts,
 													 NULL,
 													 &handler);
@@ -1352,11 +1361,11 @@ void HttpRequestTestObjectType::test<13>()
 
 		// Run the notification pump.
 		int count(0);
-		int limit(10);
+		int limit(LOOP_COUNT_LONG);
 		while (count++ < limit && mHandlerCalls < 1)
 		{
 			req->update(1000000);
-			usleep(100000);
+			usleep(LOOP_SLEEP_INTERVAL);
 		}
 		ensure("Request executed in reasonable time", count < limit);
 		ensure("One handler invocation for request", mHandlerCalls == 1);
@@ -1369,21 +1378,21 @@ void HttpRequestTestObjectType::test<13>()
 	
 		// Run the notification pump again
 		count = 0;
-		limit = 10;
+		limit = LOOP_COUNT_LONG;
 		while (count++ < limit && mHandlerCalls < 2)
 		{
 			req->update(1000000);
-			usleep(100000);
+			usleep(LOOP_SLEEP_INTERVAL);
 		}
 		ensure("Second request executed in reasonable time", count < limit);
 		ensure("Second handler invocation", mHandlerCalls == 2);
 
 		// See that we actually shutdown the thread
 		count = 0;
-		limit = 10;
+		limit = LOOP_COUNT_SHORT;
 		while (count++ < limit && ! HttpService::isStopped())
 		{
-			usleep(100000);
+			usleep(LOOP_SLEEP_INTERVAL);
 		}
 		ensure("Thread actually stopped running", HttpService::isStopped());
 	
@@ -1471,11 +1480,11 @@ void HttpRequestTestObjectType::test<14>()
 
 		// Run the notification pump.
 		int count(0);
-		int limit(50);				// With one retry, should fail quickish
+		int limit(LOOP_COUNT_LONG);
 		while (count++ < limit && mHandlerCalls < 1)
 		{
 			req->update(1000000);
-			usleep(100000);
+			usleep(LOOP_SLEEP_INTERVAL);
 		}
 		ensure("Request executed in reasonable time", count < limit);
 		ensure("One handler invocation for request", mHandlerCalls == 1);
@@ -1487,21 +1496,21 @@ void HttpRequestTestObjectType::test<14>()
 	
 		// Run the notification pump again
 		count = 0;
-		limit = 100;
+		limit = LOOP_COUNT_LONG;
 		while (count++ < limit && mHandlerCalls < 2)
 		{
 			req->update(1000000);
-			usleep(100000);
+			usleep(LOOP_SLEEP_INTERVAL);
 		}
 		ensure("Second request executed in reasonable time", count < limit);
 		ensure("Second handler invocation", mHandlerCalls == 2);
 
 		// See that we actually shutdown the thread
 		count = 0;
-		limit = 10;
+		limit = LOOP_COUNT_SHORT;
 		while (count++ < limit && ! HttpService::isStopped())
 		{
-			usleep(100000);
+			usleep(LOOP_SLEEP_INTERVAL);
 		}
 		ensure("Thread actually stopped running", HttpService::isStopped());
 
@@ -1594,11 +1603,11 @@ void HttpRequestTestObjectType::test<15>()
 
 		// Run the notification pump.
 		int count(0);
-		int limit(10);
+		int limit(LOOP_COUNT_LONG);
 		while (count++ < limit && mHandlerCalls < 1)
 		{
 			req->update(1000000);
-			usleep(100000);
+			usleep(LOOP_SLEEP_INTERVAL);
 		}
 		ensure("Request executed in reasonable time", count < limit);
 		ensure("One handler invocation for request", mHandlerCalls == 1);
@@ -1611,21 +1620,21 @@ void HttpRequestTestObjectType::test<15>()
 	
 		// Run the notification pump again
 		count = 0;
-		limit = 10;
+		limit = LOOP_COUNT_LONG;
 		while (count++ < limit && mHandlerCalls < 2)
 		{
 			req->update(1000000);
-			usleep(100000);
+			usleep(LOOP_SLEEP_INTERVAL);
 		}
 		ensure("Second request executed in reasonable time", count < limit);
 		ensure("Second handler invocation", mHandlerCalls == 2);
 
 		// See that we actually shutdown the thread
 		count = 0;
-		limit = 10;
+		limit = LOOP_COUNT_SHORT;
 		while (count++ < limit && ! HttpService::isStopped())
 		{
-			usleep(100000);
+			usleep(LOOP_SLEEP_INTERVAL);
 		}
 		ensure("Thread actually stopped running", HttpService::isStopped());
 	
@@ -1724,11 +1733,11 @@ void HttpRequestTestObjectType::test<16>()
 
 		// Run the notification pump.
 		int count(0);
-		int limit(10);
+		int limit(LOOP_COUNT_LONG);
 		while (count++ < limit && mHandlerCalls < 1)
 		{
 			req->update(1000000);
-			usleep(100000);
+			usleep(LOOP_SLEEP_INTERVAL);
 		}
 		ensure("Request executed in reasonable time", count < limit);
 		ensure("One handler invocation for request", mHandlerCalls == 1);
@@ -1764,11 +1773,11 @@ void HttpRequestTestObjectType::test<16>()
 
 		// Run the notification pump.
 		count = 0;
-		limit = 10;
+		limit = LOOP_COUNT_LONG;
 		while (count++ < limit && mHandlerCalls < 2)
 		{
 			req->update(1000000);
-			usleep(100000);
+			usleep(LOOP_SLEEP_INTERVAL);
 		}
 		ensure("Request executed in reasonable time", count < limit);
 		ensure("One handler invocation for request", mHandlerCalls == 2);
@@ -1783,21 +1792,21 @@ void HttpRequestTestObjectType::test<16>()
 	
 		// Run the notification pump again
 		count = 0;
-		limit = 10;
+		limit = LOOP_COUNT_LONG;
 		while (count++ < limit && mHandlerCalls < 3)
 		{
 			req->update(1000000);
-			usleep(100000);
+			usleep(LOOP_SLEEP_INTERVAL);
 		}
 		ensure("Second request executed in reasonable time", count < limit);
 		ensure("Second handler invocation", mHandlerCalls == 3);
 
 		// See that we actually shutdown the thread
 		count = 0;
-		limit = 10;
+		limit = LOOP_COUNT_SHORT;
 		while (count++ < limit && ! HttpService::isStopped())
 		{
-			usleep(100000);
+			usleep(LOOP_SLEEP_INTERVAL);
 		}
 		ensure("Thread actually stopped running", HttpService::isStopped());
 	
@@ -1919,11 +1928,11 @@ void HttpRequestTestObjectType::test<17>()
 			
 		// Run the notification pump.
 		int count(0);
-		int limit(10);
+		int limit(LOOP_COUNT_LONG);
 		while (count++ < limit && mHandlerCalls < 1)
 		{
 			req->update(1000000);
-			usleep(100000);
+			usleep(LOOP_SLEEP_INTERVAL);
 		}
 		ensure("Request executed in reasonable time", count < limit);
 		ensure("One handler invocation for request", mHandlerCalls == 1);
@@ -1938,21 +1947,21 @@ void HttpRequestTestObjectType::test<17>()
 	
 		// Run the notification pump again
 		count = 0;
-		limit = 10;
+		limit = LOOP_COUNT_LONG;
 		while (count++ < limit && mHandlerCalls < 2)
 		{
 			req->update(1000000);
-			usleep(100000);
+			usleep(LOOP_SLEEP_INTERVAL);
 		}
 		ensure("Second request executed in reasonable time", count < limit);
 		ensure("Second handler invocation", mHandlerCalls == 2);
 
 		// See that we actually shutdown the thread
 		count = 0;
-		limit = 10;
+		limit = LOOP_COUNT_SHORT;
 		while (count++ < limit && ! HttpService::isStopped())
 		{
-			usleep(100000);
+			usleep(LOOP_SLEEP_INTERVAL);
 		}
 		ensure("Thread actually stopped running", HttpService::isStopped());
 	
@@ -2079,11 +2088,11 @@ void HttpRequestTestObjectType::test<18>()
 			
 		// Run the notification pump.
 		int count(0);
-		int limit(10);
+		int limit(LOOP_COUNT_LONG);
 		while (count++ < limit && mHandlerCalls < 1)
 		{
 			req->update(1000000);
-			usleep(100000);
+			usleep(LOOP_SLEEP_INTERVAL);
 		}
 		ensure("Request executed in reasonable time", count < limit);
 		ensure("One handler invocation for request", mHandlerCalls == 1);
@@ -2098,21 +2107,21 @@ void HttpRequestTestObjectType::test<18>()
 	
 		// Run the notification pump again
 		count = 0;
-		limit = 10;
+		limit = LOOP_COUNT_LONG;
 		while (count++ < limit && mHandlerCalls < 2)
 		{
 			req->update(1000000);
-			usleep(100000);
+			usleep(LOOP_SLEEP_INTERVAL);
 		}
 		ensure("Second request executed in reasonable time", count < limit);
 		ensure("Second handler invocation", mHandlerCalls == 2);
 
 		// See that we actually shutdown the thread
 		count = 0;
-		limit = 10;
+		limit = LOOP_COUNT_SHORT;
 		while (count++ < limit && ! HttpService::isStopped())
 		{
-			usleep(100000);
+			usleep(LOOP_SLEEP_INTERVAL);
 		}
 		ensure("Thread actually stopped running", HttpService::isStopped());
 	
@@ -2237,11 +2246,11 @@ void HttpRequestTestObjectType::test<19>()
 
 		// Run the notification pump.
 		int count(0);
-		int limit(10);
+		int limit(LOOP_COUNT_LONG);
 		while (count++ < limit && mHandlerCalls < 1)
 		{
 			req->update(1000000);
-			usleep(100000);
+			usleep(LOOP_SLEEP_INTERVAL);
 		}
 		ensure("Request executed in reasonable time", count < limit);
 		ensure("One handler invocation for request", mHandlerCalls == 1);
@@ -2255,21 +2264,21 @@ void HttpRequestTestObjectType::test<19>()
 	
 		// Run the notification pump again
 		count = 0;
-		limit = 10;
+		limit = LOOP_COUNT_LONG;
 		while (count++ < limit && mHandlerCalls < 2)
 		{
 			req->update(1000000);
-			usleep(100000);
+			usleep(LOOP_SLEEP_INTERVAL);
 		}
 		ensure("Second request executed in reasonable time", count < limit);
 		ensure("Second handler invocation", mHandlerCalls == 2);
 
 		// See that we actually shutdown the thread
 		count = 0;
-		limit = 10;
+		limit = LOOP_COUNT_SHORT;
 		while (count++ < limit && ! HttpService::isStopped())
 		{
-			usleep(100000);
+			usleep(LOOP_SLEEP_INTERVAL);
 		}
 		ensure("Thread actually stopped running", HttpService::isStopped());
 	
@@ -2401,11 +2410,11 @@ void HttpRequestTestObjectType::test<20>()
 			
 		// Run the notification pump.
 		int count(0);
-		int limit(10);
+		int limit(LOOP_COUNT_LONG);
 		while (count++ < limit && mHandlerCalls < 1)
 		{
 			req->update(1000000);
-			usleep(100000);
+			usleep(LOOP_SLEEP_INTERVAL);
 		}
 		ensure("Request executed in reasonable time", count < limit);
 		ensure("One handler invocation for request", mHandlerCalls == 1);
@@ -2420,21 +2429,21 @@ void HttpRequestTestObjectType::test<20>()
 	
 		// Run the notification pump again
 		count = 0;
-		limit = 10;
+		limit = LOOP_COUNT_LONG;
 		while (count++ < limit && mHandlerCalls < 2)
 		{
 			req->update(1000000);
-			usleep(100000);
+			usleep(LOOP_SLEEP_INTERVAL);
 		}
 		ensure("Second request executed in reasonable time", count < limit);
 		ensure("Second handler invocation", mHandlerCalls == 2);
 
 		// See that we actually shutdown the thread
 		count = 0;
-		limit = 10;
+		limit = LOOP_COUNT_SHORT;
 		while (count++ < limit && ! HttpService::isStopped())
 		{
-			usleep(100000);
+			usleep(LOOP_SLEEP_INTERVAL);
 		}
 		ensure("Thread actually stopped running", HttpService::isStopped());
 	
@@ -2569,11 +2578,11 @@ void HttpRequestTestObjectType::test<21>()
 			
 		// Run the notification pump.
 		int count(0);
-		int limit(10);
+		int limit(LOOP_COUNT_LONG);
 		while (count++ < limit && mHandlerCalls < 1)
 		{
 			req->update(1000000);
-			usleep(100000);
+			usleep(LOOP_SLEEP_INTERVAL);
 		}
 		ensure("Request executed in reasonable time", count < limit);
 		ensure("One handler invocation for request", mHandlerCalls == 1);
@@ -2588,21 +2597,21 @@ void HttpRequestTestObjectType::test<21>()
 	
 		// Run the notification pump again
 		count = 0;
-		limit = 10;
+		limit = LOOP_COUNT_LONG;
 		while (count++ < limit && mHandlerCalls < 2)
 		{
 			req->update(1000000);
-			usleep(100000);
+			usleep(LOOP_SLEEP_INTERVAL);
 		}
 		ensure("Second request executed in reasonable time", count < limit);
 		ensure("Second handler invocation", mHandlerCalls == 2);
 
 		// See that we actually shutdown the thread
 		count = 0;
-		limit = 10;
+		limit = LOOP_COUNT_SHORT;
 		while (count++ < limit && ! HttpService::isStopped())
 		{
-			usleep(100000);
+			usleep(LOOP_SLEEP_INTERVAL);
 		}
 		ensure("Thread actually stopped running", HttpService::isStopped());
 	
@@ -2650,6 +2659,200 @@ void HttpRequestTestObjectType::test<21>()
 	}
 }
 
+// BUG-2295 Tests - Content-Range header received but no body
+template <> template <>
+void HttpRequestTestObjectType::test<22>()
+{
+	ScopedCurlInit ready;
+
+	std::string url_base(get_base_url());
+	// std::cerr << "Base:  "  << url_base << std::endl;
+	
+	set_test_name("BUG-2295");
+
+	// Handler can be stack-allocated *if* there are no dangling
+	// references to it after completion of this method.
+	// Create before memory record as the string copy will bump numbers.
+	TestHandler2 handler(this, "handler");
+		
+	// record the total amount of dynamically allocated memory
+	mMemTotal = GetMemTotal();
+	mHandlerCalls = 0;
+
+	HttpOptions * options = NULL;
+	HttpRequest * req = NULL;
+
+	try
+	{
+		// options set
+		options = new HttpOptions();
+		options->setRetries(1);			// Partial_File is retryable and can timeout in here
+
+		// Get singletons created
+		HttpRequest::createService();
+		
+		// Start threading early so that thread memory is invariant
+		// over the test.
+		HttpRequest::startThread();
+
+		// create a new ref counted object with an implicit reference
+		req = new HttpRequest();
+		ensure("Memory allocated on construction", mMemTotal < GetMemTotal());
+
+		// ======================================
+		// Issue bug2295 GETs that will get a 206
+		// ======================================
+		mStatus = HttpStatus(206);
+		static const int test_count(3);
+		for (int i(0); i < test_count; ++i)
+		{
+			char buffer[128];
+			sprintf(buffer, "/bug2295/%d/", i);
+			HttpHandle handle = req->requestGetByteRange(HttpRequest::DEFAULT_POLICY_ID,
+														 0U,
+														 url_base + buffer,
+														 0,
+														 25,
+														 options,
+														 NULL,
+														 &handler);
+			ensure("Valid handle returned for ranged request", handle != LLCORE_HTTP_HANDLE_INVALID);
+		}
+		
+		// Run the notification pump.
+		int count(0);
+		int limit(LOOP_COUNT_LONG);
+		while (count++ < limit && mHandlerCalls < test_count)
+		{
+			req->update(1000000);
+			usleep(LOOP_SLEEP_INTERVAL);
+		}
+		ensure("Request executed in reasonable time - ms1", count < limit);
+		ensure("One handler invocation for each request - ms1", mHandlerCalls == test_count);
+
+		// ======================================
+		// Issue bug2295 GETs that will get a libcurl 18 (PARTIAL_FILE)
+		// ======================================
+		mHandlerCalls = 0;
+		mStatus = HttpStatus(HttpStatus::EXT_CURL_EASY, CURLE_PARTIAL_FILE);
+		static const int test2_count(1);
+		for (int i(0); i < test2_count; ++i)
+		{
+			char buffer[128];
+			sprintf(buffer, "/bug2295/00000012/%d/", i);
+			HttpHandle handle = req->requestGetByteRange(HttpRequest::DEFAULT_POLICY_ID,
+														 0U,
+														 url_base + buffer,
+														 0,
+														 25,
+														 options,
+														 NULL,
+														 &handler);
+			ensure("Valid handle returned for ranged request", handle != LLCORE_HTTP_HANDLE_INVALID);
+		}
+		
+		// Run the notification pump.
+		count = 0;
+		limit = LOOP_COUNT_LONG;
+		while (count++ < limit && mHandlerCalls < test2_count)
+		{
+			req->update(1000000);
+			usleep(LOOP_SLEEP_INTERVAL);
+		}
+		ensure("Request executed in reasonable time - ms2", count < limit);
+		ensure("One handler invocation for each request - ms2", mHandlerCalls == test2_count);
+
+		// ======================================
+		// Issue bug2295 GETs that will get an llcorehttp HE_INV_CONTENT_RANGE_HDR status
+		// ======================================
+		mHandlerCalls = 0;
+		mStatus = HttpStatus(HttpStatus::LLCORE, HE_INV_CONTENT_RANGE_HDR);
+		static const int test3_count(1);
+		for (int i(0); i < test3_count; ++i)
+		{
+			char buffer[128];
+			sprintf(buffer, "/bug2295/inv_cont_range/%d/", i);
+			HttpHandle handle = req->requestGetByteRange(HttpRequest::DEFAULT_POLICY_ID,
+														 0U,
+														 url_base + buffer,
+														 0,
+														 25,
+														 options,
+														 NULL,
+														 &handler);
+			ensure("Valid handle returned for ranged request", handle != LLCORE_HTTP_HANDLE_INVALID);
+		}
+		
+		// Run the notification pump.
+		count = 0;
+		limit = LOOP_COUNT_LONG;
+		while (count++ < limit && mHandlerCalls < test3_count)
+		{
+			req->update(1000000);
+			usleep(LOOP_SLEEP_INTERVAL);
+		}
+		ensure("Request executed in reasonable time - ms3", count < limit);
+		ensure("One handler invocation for each request - ms3", mHandlerCalls == test3_count);
+
+		// ======================================
+		// Okay, request a shutdown of the servicing thread
+		// ======================================
+		mStatus = HttpStatus();
+		mHandlerCalls = 0;
+		HttpHandle handle = req->requestStopThread(&handler);
+		ensure("Valid handle returned for second request", handle != LLCORE_HTTP_HANDLE_INVALID);
+	
+		// Run the notification pump again
+		count = 0;
+		limit = LOOP_COUNT_LONG;
+		while (count++ < limit && mHandlerCalls < 1)
+		{
+			req->update(1000000);
+			usleep(LOOP_SLEEP_INTERVAL);
+		}
+		ensure("Shutdown request executed in reasonable time", count < limit);
+		ensure("Shutdown handler invocation", mHandlerCalls == 1);
+
+		// See that we actually shutdown the thread
+		count = 0;
+		limit = LOOP_COUNT_SHORT;
+		while (count++ < limit && ! HttpService::isStopped())
+		{
+			usleep(LOOP_SLEEP_INTERVAL);
+		}
+		ensure("Thread actually stopped running", HttpService::isStopped());
+
+		// release options
+		if (options)
+		{
+			options->release();
+			options = NULL;
+		}
+		
+		// release the request object
+		delete req;
+		req = NULL;
+
+		// Shut down service
+		HttpRequest::destroyService();
+	
+#if defined(WIN32)
+		// Can only do this memory test on Windows.  On other platforms,
+		// the LL logging system holds on to memory and produces what looks
+		// like memory leaks...
+	
+		// printf("Old mem:  %d, New mem:  %d\n", mMemTotal, GetMemTotal());
+		ensure("Memory usage back to that at entry", mMemTotal == GetMemTotal());
+#endif
+	}
+	catch (...)
+	{
+		stop_thread(req);
+		delete req;
+		HttpRequest::destroyService();
+		throw;
+	}
+}
 
 }  // end namespace tut
 
diff --git a/indra/llcorehttp/tests/test_httpstatus.hpp b/indra/llcorehttp/tests/test_httpstatus.hpp
index 887315befc..b5538528c5 100755
--- a/indra/llcorehttp/tests/test_httpstatus.hpp
+++ b/indra/llcorehttp/tests/test_httpstatus.hpp
@@ -4,7 +4,7 @@
  *
  * $LicenseInfo:firstyear=2012&license=viewerlgpl$
  * Second Life Viewer Source Code
- * Copyright (C) 2012, Linden Research, Inc.
+ * Copyright (C) 2012-2013, 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
@@ -91,9 +91,6 @@ template <> template <>
 void HttpStatusTestObjectType::test<2>()
 {
 	set_test_name("HttpStatus memory structure");
-#if LL_WINDOWS
-	skip("MAINT-2302: This frequently (though not always) fails on Windows.");
-#endif
 
 	// Require that an HttpStatus object can be trivially
 	// returned as a function return value in registers.
@@ -106,10 +103,7 @@ void HttpStatusTestObjectType::test<2>()
 template <> template <>
 void HttpStatusTestObjectType::test<3>()
 {
-	set_test_name("HttpStatus valid error string conversion");
-#if LL_WINDOWS
-	skip("MAINT-2302: This frequently (though not always) fails on Windows.");
-#endif
+	set_test_name("HttpStatus valid status string conversion");
 	
 	HttpStatus status;
 	status.mType = HttpStatus::EXT_CURL_EASY;
@@ -141,10 +135,7 @@ void HttpStatusTestObjectType::test<3>()
 template <> template <>
 void HttpStatusTestObjectType::test<4>()
 {
-	set_test_name("HttpStatus invalid error string conversion");
-#if LL_WINDOWS
-	skip("MAINT-2302: This frequently (though not always) fails on Windows.");
-#endif
+	set_test_name("HttpStatus invalid status string conversion");
 	
 	HttpStatus status;
 	status.mType = HttpStatus::EXT_CURL_EASY;
@@ -170,9 +161,6 @@ template <> template <>
 void HttpStatusTestObjectType::test<5>()
 {
 	set_test_name("HttpStatus equality/inequality testing");
-#if LL_WINDOWS
-	skip("MAINT-2302: This frequently (though not always) fails on Windows.");
-#endif
 
 	// Make certain equality/inequality tests do not pass
 	// through the bool conversion.  Distinct successful
@@ -193,9 +181,6 @@ template <> template <>
 void HttpStatusTestObjectType::test<6>()
 {
 	set_test_name("HttpStatus basic HTTP status encoding");
-#if LL_WINDOWS
-	skip("MAINT-2302: This frequently (though not always) fails on Windows.");
-#endif
 	
 	HttpStatus status;
 	status.mType = 200;
@@ -242,10 +227,7 @@ void HttpStatusTestObjectType::test<6>()
 template <> template <>
 void HttpStatusTestObjectType::test<7>()
 {
-	set_test_name("HttpStatus HTTP error text strings");
-#if LL_WINDOWS
-	skip("MAINT-2302: This frequently (though not always) fails on Windows.");
-#endif
+	set_test_name("HttpStatus HTTP status text strings");
 
 	HttpStatus status(100, HE_REPLY_ERROR);
 	std::string msg(status.toString());
diff --git a/indra/llcorehttp/tests/test_llcorehttp_peer.py b/indra/llcorehttp/tests/test_llcorehttp_peer.py
index 75a3c39ef2..3c3af8dc75 100755
--- a/indra/llcorehttp/tests/test_llcorehttp_peer.py
+++ b/indra/llcorehttp/tests/test_llcorehttp_peer.py
@@ -9,7 +9,7 @@
 
 $LicenseInfo:firstyear=2008&license=viewerlgpl$
 Second Life Viewer Source Code
-Copyright (C) 2012, Linden Research, Inc.
+Copyright (C) 2012-2013, 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
@@ -35,6 +35,10 @@ import time
 import select
 import getopt
 from threading import Thread
+try:
+    from cStringIO import StringIO
+except ImportError:
+    from StringIO import StringIO
 from BaseHTTPServer import HTTPServer, BaseHTTPRequestHandler
 from SocketServer import ThreadingMixIn
 
@@ -47,7 +51,30 @@ from testrunner import freeport, run, debug, VERBOSE
 class TestHTTPRequestHandler(BaseHTTPRequestHandler):
     """This subclass of BaseHTTPRequestHandler is to receive and echo
     LLSD-flavored messages sent by the C++ LLHTTPClient.
+
+    Target URLs are fairly free-form and are assembled by 
+    concatinating fragments.  Currently defined fragments
+    are:
+    - '/reflect/'       Request headers are bounced back to caller
+                        after prefixing with 'X-Reflect-'
+    - '/fail/'          Body of request can contain LLSD with 
+                        'reason' string and 'status' integer
+                        which will become response header.
+    - '/bug2295/'       206 response, no data in body:
+    -- '/bug2295/0/'       "Content-Range: bytes 0-75/2983"
+    -- '/bug2295/1/'       "Content-Range: bytes 0-75/*"
+    -- '/bug2295/2/'       "Content-Range: bytes 0-75/2983",
+                           "Content-Length: 0"
+    -- '/bug2295/00000018/0/'  Generates PARTIAL_FILE (18) error in libcurl.
+                           "Content-Range: bytes 0-75/2983",
+                           "Content-Length: 76"
+    -- '/bug2295/inv_cont_range/0/'  Generates HE_INVALID_CONTENT_RANGE error in llcorehttp.
+
+    Some combinations make no sense, there's no effort to protect
+    you from that.
     """
+    ignore_exceptions = (Exception,)
+
     def read(self):
         # The following logic is adapted from the library module
         # SimpleXMLRPCServer.py.
@@ -87,42 +114,36 @@ class TestHTTPRequestHandler(BaseHTTPRequestHandler):
 
     def do_GET(self, withdata=True):
         # Of course, don't attempt to read data.
-        self.answer(dict(reply="success", status=200,
-                         reason="Your GET operation worked"))
+        try:
+            self.answer(dict(reply="success", status=200,
+                             reason="Your GET operation worked"))
+        except self.ignore_exceptions, e:
+            print >> sys.stderr, "Exception during GET (ignoring): %s" % str(e)
 
     def do_POST(self):
         # Read the provided POST data.
         # self.answer(self.read())
-        self.answer(dict(reply="success", status=200,
-                         reason=self.read()))
+        try:
+            self.answer(dict(reply="success", status=200,
+                             reason=self.read()))
+        except self.ignore_exceptions, e:
+            print >> sys.stderr, "Exception during POST (ignoring): %s" % str(e)
 
     def do_PUT(self):
         # Read the provided PUT data.
         # self.answer(self.read())
-        self.answer(dict(reply="success", status=200,
-                         reason=self.read()))
+        try:
+            self.answer(dict(reply="success", status=200,
+                             reason=self.read()))
+        except self.ignore_exceptions, e:
+            print >> sys.stderr, "Exception during PUT (ignoring): %s" % str(e)
 
     def answer(self, data, withdata=True):
         debug("%s.answer(%s): self.path = %r", self.__class__.__name__, data, self.path)
         if "/sleep/" in self.path:
             time.sleep(30)
 
-        if "fail" not in self.path:
-            data = data.copy()          # we're going to modify
-            # Ensure there's a "reply" key in data, even if there wasn't before
-            data["reply"] = data.get("reply", llsd.LLSD("success"))
-            response = llsd.format_xml(data)
-            debug("success: %s", response)
-            self.send_response(200)
-            if "/reflect/" in self.path:
-                self.reflect_headers()
-            self.send_header("Content-type", "application/llsd+xml")
-            self.send_header("Content-Length", str(len(response)))
-            self.send_header("X-LL-Special", "Mememememe");
-            self.end_headers()
-            if withdata:
-                self.wfile.write(response)
-        else:                           # fail requested
+        if "fail" in self.path:
             status = data.get("status", 500)
             # self.responses maps an int status to a (short, long) pair of
             # strings. We want the longer string. That's why we pass a string
@@ -138,6 +159,57 @@ class TestHTTPRequestHandler(BaseHTTPRequestHandler):
             if "/reflect/" in self.path:
                 self.reflect_headers()
             self.end_headers()
+        elif "/bug2295/" in self.path:
+            # Test for https://jira.secondlife.com/browse/BUG-2295
+            #
+            # Client can receive a header indicating data should
+            # appear in the body without actually getting the body.
+            # Library needs to defend against this case.
+            #
+            body = None
+            if "/bug2295/0/" in self.path:
+                self.send_response(206)
+                self.send_header("Content-Range", "bytes 0-75/2983")
+            elif "/bug2295/1/" in self.path:
+                self.send_response(206)
+                self.send_header("Content-Range", "bytes 0-75/*")
+            elif "/bug2295/2/" in self.path:
+                self.send_response(206)
+                self.send_header("Content-Range", "bytes 0-75/2983")
+                self.send_header("Content-Length", "0")
+            elif "/bug2295/00000012/0/" in self.path:
+                self.send_response(206)
+                self.send_header("Content-Range", "bytes 0-75/2983")
+                self.send_header("Content-Length", "76")
+            elif "/bug2295/inv_cont_range/0/" in self.path:
+                self.send_response(206)
+                self.send_header("Content-Range", "bytes 0-75/2983")
+                body = "Some text, but not enough."
+            else:
+                # Unknown request
+                self.send_response(400)
+            if "/reflect/" in self.path:
+                self.reflect_headers()
+            self.send_header("Content-type", "text/plain")
+            self.end_headers()
+            if body:
+                self.wfile.write(body)
+        else:
+            # Normal response path
+            data = data.copy()          # we're going to modify
+            # Ensure there's a "reply" key in data, even if there wasn't before
+            data["reply"] = data.get("reply", llsd.LLSD("success"))
+            response = llsd.format_xml(data)
+            debug("success: %s", response)
+            self.send_response(200)
+            if "/reflect/" in self.path:
+                self.reflect_headers()
+            self.send_header("Content-type", "application/llsd+xml")
+            self.send_header("Content-Length", str(len(response)))
+            self.send_header("X-LL-Special", "Mememememe");
+            self.end_headers()
+            if withdata:
+                self.wfile.write(response)
 
     def reflect_headers(self):
         for name in self.headers.keys():
@@ -162,6 +234,17 @@ class Server(ThreadingMixIn, HTTPServer):
     # operation of freeport() absolutely depends on it being off.
     allow_reuse_address = False
 
+    # Override of BaseServer.handle_error().  Not too interested
+    # in errors and the default handler emits a scary traceback
+    # to stderr which annoys some.  Disable this override to get
+    # default behavior which *shouldn't* cause the program to return
+    # a failure status.
+    def handle_error(self, request, client_address):
+        print '-'*40
+        print 'Ignoring exception during processing of request from',
+        print client_address
+        print '-'*40
+
 if __name__ == "__main__":
     do_valgrind = False
     path_search = False
@@ -188,3 +271,4 @@ if __name__ == "__main__":
         args = ["valgrind", "--log-file=./valgrind.log"] + args
         path_search = True
     sys.exit(run(server=Thread(name="httpd", target=httpd.serve_forever), use_path=path_search, *args))
+
diff --git a/indra/llmath/llmatrix4a.h b/indra/llmath/llmatrix4a.h
index c4cefdb4fa..d141298f69 100755
--- a/indra/llmath/llmatrix4a.h
+++ b/indra/llmath/llmatrix4a.h
@@ -107,15 +107,14 @@ public:
 
 	inline void rotate(const LLVector4a& v, LLVector4a& res)
 	{
+		LLVector4a y,z;
+
 		res = _mm_shuffle_ps(v, v, _MM_SHUFFLE(0, 0, 0, 0));
-		res.mul(mMatrix[0]);
-		
-		LLVector4a y;
 		y = _mm_shuffle_ps(v, v, _MM_SHUFFLE(1, 1, 1, 1));
-		y.mul(mMatrix[1]);
-
-		LLVector4a z;
 		z = _mm_shuffle_ps(v, v, _MM_SHUFFLE(2, 2, 2, 2));
+		
+		res.mul(mMatrix[0]);
+		y.mul(mMatrix[1]);
 		z.mul(mMatrix[2]);
 
 		res.add(y);
diff --git a/indra/llmath/llsimdmath.h b/indra/llmath/llsimdmath.h
index 01458521ec..cebd2ace7d 100755
--- a/indra/llmath/llsimdmath.h
+++ b/indra/llmath/llsimdmath.h
@@ -39,34 +39,6 @@
 #include <stdint.h>
 #endif
 
-template <typename T> T* LL_NEXT_ALIGNED_ADDRESS(T* address) 
-{ 
-	return reinterpret_cast<T*>(
-		(reinterpret_cast<uintptr_t>(address) + 0xF) & ~0xF);
-}
-
-template <typename T> T* LL_NEXT_ALIGNED_ADDRESS_64(T* address) 
-{ 
-	return reinterpret_cast<T*>(
-		(reinterpret_cast<uintptr_t>(address) + 0x3F) & ~0x3F);
-}
-
-#if LL_LINUX || LL_DARWIN
-
-#define			LL_ALIGN_PREFIX(x)
-#define			LL_ALIGN_POSTFIX(x)		__attribute__((aligned(x)))
-
-#elif LL_WINDOWS
-
-#define			LL_ALIGN_PREFIX(x)		__declspec(align(x))
-#define			LL_ALIGN_POSTFIX(x)
-
-#else
-#error "LL_ALIGN_PREFIX and LL_ALIGN_POSTFIX undefined"
-#endif
-
-#define LL_ALIGN_16(var) LL_ALIGN_PREFIX(16) var LL_ALIGN_POSTFIX(16)
-
 #include <xmmintrin.h>
 #include <emmintrin.h>
 
diff --git a/indra/llmath/llvector4a.cpp b/indra/llmath/llvector4a.cpp
index 6edeb0fefe..570fa41a43 100755
--- a/indra/llmath/llvector4a.cpp
+++ b/indra/llmath/llvector4a.cpp
@@ -41,55 +41,7 @@ extern const LLVector4a LL_V4A_EPSILON = reinterpret_cast<const LLVector4a&> ( F
 
 /*static */void LLVector4a::memcpyNonAliased16(F32* __restrict dst, const F32* __restrict src, size_t bytes)
 {
-	assert(src != NULL);
-	assert(dst != NULL);
-	assert(bytes > 0);
-	assert((bytes % sizeof(F32))== 0); 
-	ll_assert_aligned(src,16);
-	ll_assert_aligned(dst,16);
-	assert(bytes%16==0);
-
-	F32* end = dst + (bytes / sizeof(F32) );
-
-	if (bytes > 64)
-	{
-		F32* begin_64 = LL_NEXT_ALIGNED_ADDRESS_64(dst);
-		
-		//at least 64 (16*4) bytes before the end of the destination, switch to 16 byte copies
-		F32* end_64 = end-16;
-		
-		_mm_prefetch((char*)begin_64, _MM_HINT_NTA);
-		_mm_prefetch((char*)begin_64 + 64, _MM_HINT_NTA);
-		_mm_prefetch((char*)begin_64 + 128, _MM_HINT_NTA);
-		_mm_prefetch((char*)begin_64 + 192, _MM_HINT_NTA);
-		
-		while (dst < begin_64)
-		{
-			copy4a(dst, src);
-			dst += 4;
-			src += 4;
-		}
-		
-		while (dst < end_64)
-		{
-			_mm_prefetch((char*)src + 512, _MM_HINT_NTA);
-			_mm_prefetch((char*)dst + 512, _MM_HINT_NTA);
-			copy4a(dst, src);
-			copy4a(dst+4, src+4);
-			copy4a(dst+8, src+8);
-			copy4a(dst+12, src+12);
-			
-			dst += 16;
-			src += 16;
-		}
-	}
-
-	while (dst < end)
-	{
-		copy4a(dst, src);
-		dst += 4;
-		src += 4;
-	}
+        ll_memcpy_nonaliased_aligned_16((char*)dst, (char*)src, bytes);
 }
 
 void LLVector4a::setRotated( const LLRotation& rot, const LLVector4a& vec )
diff --git a/indra/llmath/llvector4a.inl b/indra/llmath/llvector4a.inl
index 7c52ffef21..35a67204ec 100755
--- a/indra/llmath/llvector4a.inl
+++ b/indra/llmath/llvector4a.inl
@@ -460,16 +460,13 @@ inline void LLVector4a::setMax(const LLVector4a& lhs, const LLVector4a& rhs)
 	mQ = _mm_max_ps(lhs.mQ, rhs.mQ);
 }
 
-// Set this to  (c * lhs) + rhs * ( 1 - c)
+// Set this to  lhs + (rhs-lhs)*c
 inline void LLVector4a::setLerp(const LLVector4a& lhs, const LLVector4a& rhs, F32 c)
 {
-	LLVector4a a = lhs;
-	a.mul(c);
-	
-	LLVector4a b = rhs;
-	b.mul(1.f-c);
-	
-	setAdd(a, b);
+	LLVector4a t;
+	t.setSub(rhs,lhs);
+	t.mul(c);
+	setAdd(lhs, t);
 }
 
 inline LLBool32 LLVector4a::isFinite3() const
diff --git a/indra/llmath/llvolume.cpp b/indra/llmath/llvolume.cpp
index 14cebfe5aa..773995cb86 100755
--- a/indra/llmath/llvolume.cpp
+++ b/indra/llmath/llvolume.cpp
@@ -94,6 +94,8 @@ const S32 SCULPT_MIN_AREA_DETAIL = 1;
 
 extern BOOL gDebugGL;
 
+bool less_than_max_mag(const LLVector4a& vec);
+
 BOOL check_same_clock_dir( const LLVector3& pt1, const LLVector3& pt2, const LLVector3& pt3, const LLVector3& norm)
 {    
 	LLVector3 test = (pt2-pt1)%(pt3-pt2);
@@ -474,7 +476,7 @@ void LLProfile::genNGon(const LLProfileParams& params, S32 sides, F32 offset, F3
 	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;
-	LLVector3 pt1,pt2;
+	LLVector4a pt1,pt2;
 
 	F32 begin  = params.getBegin();
 	F32 end    = params.getEnd();
@@ -497,20 +499,21 @@ void LLProfile::genNGon(const LLProfileParams& params, S32 sides, F32 offset, F3
 	// Starting t and ang values for the first face
 	t = t_first;
 	ang = 2.0f*F_PI*(t*ang_scale + offset);
-	pt1.setVec(cos(ang)*scale,sin(ang)*scale, t);
+	pt1.set(cos(ang)*scale,sin(ang)*scale, t);
 
 	// Increment to the next point.
 	// pt2 is the end point on the fractional face
 	t += t_step;
 	ang += ang_step;
-	pt2.setVec(cos(ang)*scale,sin(ang)*scale,t);
+	pt2.set(cos(ang)*scale,sin(ang)*scale,t);
 
 	t_fraction = (begin - t_first)*sides;
 
 	// Only use if it's not almost exactly on an edge.
 	if (t_fraction < 0.9999f)
 	{
-		LLVector3 new_pt = lerp(pt1, pt2, t_fraction);
+		LLVector4a new_pt;
+		new_pt.setLerp(pt1, pt2, t_fraction);
 		mProfile.push_back(new_pt);
 	}
 
@@ -518,12 +521,17 @@ void LLProfile::genNGon(const LLProfileParams& params, S32 sides, F32 offset, F3
 	while (t < end)
 	{
 		// Iterate through all the integer steps of t.
-		pt1.setVec(cos(ang)*scale,sin(ang)*scale,t);
+		pt1.set(cos(ang)*scale,sin(ang)*scale,t);
 
 		if (mProfile.size() > 0) {
-			LLVector3 p = mProfile[mProfile.size()-1];
+			LLVector4a p = mProfile[mProfile.size()-1];
 			for (S32 i = 0; i < split && mProfile.size() > 0; i++) {
-				mProfile.push_back(p+(pt1-p) * 1.0f/(float)(split+1) * (float)(i+1));
+				//mProfile.push_back(p+(pt1-p) * 1.0f/(float)(split+1) * (float)(i+1));
+				LLVector4a new_pt;
+				new_pt.setSub(pt1, p);
+				new_pt.mul(1.0f/(float)(split+1) * (float)(i+1));
+				new_pt.add(p);
+				mProfile.push_back(new_pt);
 			}
 		}
 		mProfile.push_back(pt1);
@@ -536,18 +544,25 @@ void LLProfile::genNGon(const LLProfileParams& params, S32 sides, F32 offset, F3
 
 	// pt1 is the first point on the fractional face
 	// pt2 is the end point on the fractional face
-	pt2.setVec(cos(ang)*scale,sin(ang)*scale,t);
+	pt2.set(cos(ang)*scale,sin(ang)*scale,t);
 
 	// Find the fraction that we need to add to the end point.
 	t_fraction = (end - (t - t_step))*sides;
 	if (t_fraction > 0.0001f)
 	{
-		LLVector3 new_pt = lerp(pt1, pt2, t_fraction);
+		LLVector4a new_pt;
+		new_pt.setLerp(pt1, pt2, t_fraction);
 		
 		if (mProfile.size() > 0) {
-			LLVector3 p = mProfile[mProfile.size()-1];
+			LLVector4a p = mProfile[mProfile.size()-1];
 			for (S32 i = 0; i < split && mProfile.size() > 0; i++) {
-				mProfile.push_back(p+(new_pt-p) * 1.0f/(float)(split+1) * (float)(i+1));
+				//mProfile.push_back(p+(new_pt-p) * 1.0f/(float)(split+1) * (float)(i+1));
+
+				LLVector4a pt1;
+				pt1.setSub(new_pt, p);
+				pt1.mul(1.0f/(float)(split+1) * (float)(i+1));
+				pt1.add(p);
+				mProfile.push_back(pt1);
 			}
 		}
 		mProfile.push_back(new_pt);
@@ -568,7 +583,7 @@ void LLProfile::genNGon(const LLProfileParams& params, S32 sides, F32 offset, F3
 		if (params.getHollow() <= 0)
 		{
 			// put center point if not hollow.
-			mProfile.push_back(LLVector3(0,0,0));
+			mProfile.push_back(LLVector4a(0,0,0));
 		}
 	}
 	else
@@ -581,103 +596,6 @@ void LLProfile::genNGon(const LLProfileParams& params, S32 sides, F32 offset, F3
 	mTotal = mProfile.size();
 }
 
-void LLProfile::genNormals(const LLProfileParams& params)
-{
-	S32 count = mProfile.size();
-
-	S32 outer_count;
-	if (mTotalOut)
-	{
-		outer_count = mTotalOut;
-	}
-	else
-	{
-		outer_count = mTotal / 2;
-	}
-
-	mEdgeNormals.resize(count * 2);
-	mEdgeCenters.resize(count * 2);
-	mNormals.resize(count);
-
-	LLVector2 pt0,pt1;
-
-	BOOL hollow = (params.getHollow() > 0);
-
-	S32 i0, i1, i2, i3, i4;
-
-	// Parametrically generate normal
-	for (i2 = 0; i2 < count; i2++)
-	{
-		mNormals[i2].mV[0] = mProfile[i2].mV[0];
-		mNormals[i2].mV[1] = mProfile[i2].mV[1];
-		if (hollow && (i2 >= outer_count))
-		{
-			mNormals[i2] *= -1.f;
-		}
-		if (mNormals[i2].magVec() < 0.001)
-		{
-			// Special case for point at center, get adjacent points.
-			i1 = (i2 - 1) >= 0 ? i2 - 1 : count - 1;
-			i0 = (i1 - 1) >= 0 ? i1 - 1 : count - 1;
-			i3 = (i2 + 1) < count ? i2 + 1 : 0;
-			i4 = (i3 + 1) < count ? i3 + 1 : 0;
-
-			pt0.setVec(mProfile[i1].mV[VX] + mProfile[i1].mV[VX] - mProfile[i0].mV[VX], 
-				mProfile[i1].mV[VY] + mProfile[i1].mV[VY] - mProfile[i0].mV[VY]);
-			pt1.setVec(mProfile[i3].mV[VX] + mProfile[i3].mV[VX] - mProfile[i4].mV[VX], 
-				mProfile[i3].mV[VY] + mProfile[i3].mV[VY] - mProfile[i4].mV[VY]);
-
-			mNormals[i2] = pt0 + pt1;
-			mNormals[i2] *= 0.5f;
-		}
-		mNormals[i2].normVec();
-	}
-
-	S32 num_normal_sets = isConcave() ? 2 : 1;
-	for (S32 normal_set = 0; normal_set < num_normal_sets; normal_set++)
-	{
-		S32 point_num;
-		for (point_num = 0; point_num < mTotal; point_num++)
-		{
-			LLVector3 point_1 = mProfile[point_num];
-			point_1.mV[VZ] = 0.f;
-
-			LLVector3 point_2;
-			
-			if (isConcave() && normal_set == 0 && point_num == (mTotal - 1) / 2)
-			{
-				point_2 = mProfile[mTotal - 1];
-			}
-			else if (isConcave() && normal_set == 1 && point_num == mTotal - 1)
-			{
-				point_2 = mProfile[(mTotal - 1) / 2];
-			}
-			else
-			{
-				LLVector3 delta_pos;
-				S32 neighbor_point = (point_num + 1) % mTotal;
-				while(delta_pos.magVecSquared() < 0.01f * 0.01f)
-				{
-					point_2 = mProfile[neighbor_point];
-					delta_pos = point_2 - point_1;
-					neighbor_point = (neighbor_point + 1) % mTotal;
-					if (neighbor_point == point_num)
-					{
-						break;
-					}
-				}
-			}
-
-			point_2.mV[VZ] = 0.f;
-			LLVector3 face_normal = (point_2 - point_1) % LLVector3::z_axis;
-			face_normal.normVec();
-			mEdgeNormals[normal_set * count + point_num] = face_normal;
-			mEdgeCenters[normal_set * count + point_num] = lerp(point_1, point_2, 0.5f);
-		}
-	}
-}
-
-
 // Hollow is percent of the original bounding box, not of this particular
 // profile's geometry.  Thus, a swept triangle needs lower hollow values than
 // a swept square.
@@ -693,12 +611,13 @@ LLProfile::Face* LLProfile::addHole(const LLProfileParams& params, BOOL flat, F3
 
 	Face *face = addFace(mTotalOut, mTotal-mTotalOut,0,LL_FACE_INNER_SIDE, flat);
 
-	std::vector<LLVector3> pt;
+	static LLAlignedArray<LLVector4a,64> pt;
 	pt.resize(mTotal) ;
 
 	for (S32 i=mTotalOut;i<mTotal;i++)
 	{
-		pt[i] = mProfile[i] * box_hollow;
+		pt[i] = mProfile[i];
+		pt[i].mul(box_hollow);
 	}
 
 	S32 j=mTotal-1;
@@ -844,8 +763,8 @@ BOOL LLProfile::generate(const LLProfileParams& params, BOOL path_open,F32 detai
 		detail = MIN_LOD;
 	}
 
-	mProfile.clear();
-	mFaces.clear();
+	mProfile.resize(0);
+	mFaces.resize(0);
 
 	// Generate the face data
 	S32 i;
@@ -877,10 +796,12 @@ BOOL LLProfile::generate(const LLProfileParams& params, BOOL path_open,F32 detai
 				addFace((face_num++) * (split +1), split+2, 1, LL_FACE_OUTER_SIDE_0 << i, TRUE);
 			}
 
+			LLVector4a scale(1,1,4,1);
+
 			for (i = 0; i <(S32) mProfile.size(); i++)
 			{
 				// Scale by 4 to generate proper tex coords.
-				mProfile[i].mV[2] *= 4.f;
+				mProfile[i].mul(scale);
 			}
 
 			if (hollow)
@@ -913,10 +834,11 @@ BOOL LLProfile::generate(const LLProfileParams& params, BOOL path_open,F32 detai
 	case  LL_PCODE_PROFILE_EQUALTRI:
 		{
 			genNGon(params, 3,0, 0, 1, split);
+			LLVector4a scale(1,1,3,1);
 			for (i = 0; i <(S32) mProfile.size(); i++)
 			{
 				// Scale by 3 to generate proper tex coords.
-				mProfile[i].mV[2] *= 3.f;
+				mProfile[i].mul(scale);
 			}
 
 			if (path_open)
@@ -1094,8 +1016,6 @@ BOOL LLProfile::generate(const LLProfileParams& params, BOOL path_open,F32 detai
 			addFace(mTotal-2, 2,0.5,LL_FACE_PROFILE_END, TRUE);
 		}
 	}
-	
-	//genNormals(params);
 
 	return TRUE;
 }
@@ -1379,25 +1299,29 @@ void LLPath::genNGon(const LLPathParams& params, S32 sides, F32 startOff, F32 en
 	// the path begins at the correct cut.
 	F32 step= 1.0f / sides;
 	F32 t	= params.getBegin();
-	pt		= vector_append(mPath, 1);
+	pt		= mPath.append(1);
 	ang		= 2.0f*F_PI*revolutions * t;
 	s		= sin(ang)*lerp(radius_start, radius_end, t);	
 	c		= cos(ang)*lerp(radius_start, radius_end, t);
 
 
-	pt->mPos.setVec(0 + lerp(0,params.getShear().mV[0],s)
+	pt->mPos.set(0 + lerp(0,params.getShear().mV[0],s)
 					  + lerp(-skew ,skew, t) * 0.5f,
 					c + lerp(0,params.getShear().mV[1],s), 
 					s);
-	pt->mScale.mV[VX] = hole_x * lerp(taper_x_begin, taper_x_end, t);
-	pt->mScale.mV[VY] = hole_y * lerp(taper_y_begin, taper_y_end, t);
+	pt->mScale.set(hole_x * lerp(taper_x_begin, taper_x_end, t),
+		hole_y * lerp(taper_y_begin, taper_y_end, t),
+		0,1);
 	pt->mTexT  = t;
 
 	// Twist rotates the path along the x,y plane (I think) - DJS 04/05/02
 	twist.setQuat  (lerp(twist_begin,twist_end,t) * 2.f * F_PI - F_PI,0,0,1);
 	// Rotate the point around the circle's center.
 	qang.setQuat   (ang,path_axis);
-	pt->mRot   = twist * qang;
+
+	LLMatrix3 rot(twist * qang);
+
+	pt->mRot.loadu(rot);
 
 	t+=step;
 
@@ -1408,51 +1332,55 @@ void LLPath::genNGon(const LLPathParams& params, S32 sides, F32 startOff, F32 en
 	// Run through the non-cut dependent points.
 	while (t < params.getEnd())
 	{
-		pt		= vector_append(mPath, 1);
+		pt		= mPath.append(1);
 
 		ang = 2.0f*F_PI*revolutions * t;
 		c   = cos(ang)*lerp(radius_start, radius_end, t);
 		s   = sin(ang)*lerp(radius_start, radius_end, t);
 
-		pt->mPos.setVec(0 + lerp(0,params.getShear().mV[0],s)
+		pt->mPos.set(0 + lerp(0,params.getShear().mV[0],s)
 					      + lerp(-skew ,skew, t) * 0.5f,
 						c + lerp(0,params.getShear().mV[1],s), 
 						s);
 
-		pt->mScale.mV[VX] = hole_x * lerp(taper_x_begin, taper_x_end, t);
-		pt->mScale.mV[VY] = hole_y * lerp(taper_y_begin, taper_y_end, t);
+		pt->mScale.set(hole_x * lerp(taper_x_begin, taper_x_end, t),
+					hole_y * lerp(taper_y_begin, taper_y_end, t),
+					0,1);
 		pt->mTexT  = t;
 
 		// Twist rotates the path along the x,y plane (I think) - DJS 04/05/02
 		twist.setQuat  (lerp(twist_begin,twist_end,t) * 2.f * F_PI - F_PI,0,0,1);
 		// Rotate the point around the circle's center.
 		qang.setQuat   (ang,path_axis);
-		pt->mRot	= twist * qang;
-
+		LLMatrix3 tmp(twist*qang);
+		pt->mRot.loadu(tmp);
+		
 		t+=step;
 	}
 
 	// Make one final pass for the end cut.
 	t = params.getEnd();
-	pt		= vector_append(mPath, 1);
+	pt		= mPath.append(1);
 	ang = 2.0f*F_PI*revolutions * t;
 	c   = cos(ang)*lerp(radius_start, radius_end, t);
 	s   = sin(ang)*lerp(radius_start, radius_end, t);
 
-	pt->mPos.setVec(0 + lerp(0,params.getShear().mV[0],s)
+	pt->mPos.set(0 + lerp(0,params.getShear().mV[0],s)
 					  + lerp(-skew ,skew, t) * 0.5f,
 					c + lerp(0,params.getShear().mV[1],s), 
 					s);
-	pt->mScale.mV[VX] = hole_x * lerp(taper_x_begin, taper_x_end, t);
-	pt->mScale.mV[VY] = hole_y * lerp(taper_y_begin, taper_y_end, t);
+	pt->mScale.set(hole_x * lerp(taper_x_begin, taper_x_end, t),
+				   hole_y * lerp(taper_y_begin, taper_y_end, t),
+				   0,1);
 	pt->mTexT  = t;
 
 	// Twist rotates the path along the x,y plane (I think) - DJS 04/05/02
 	twist.setQuat  (lerp(twist_begin,twist_end,t) * 2.f * F_PI - F_PI,0,0,1);
 	// Rotate the point around the circle's center.
 	qang.setQuat   (ang,path_axis);
-	pt->mRot   = twist * qang;
-
+	LLMatrix3 tmp(twist*qang);
+	pt->mRot.loadu(tmp);
+	
 	mTotal = mPath.size();
 }
 
@@ -1549,7 +1477,7 @@ BOOL LLPath::generate(const LLPathParams& params, F32 detail, S32 split,
 	mDirty = FALSE;
 	S32 np = 2; // hardcode for line
 
-	mPath.clear();
+	mPath.resize(0);
 	mOpen = TRUE;
 
 	// Is this 0xf0 mask really necessary?  DK 03/02/05
@@ -1575,12 +1503,16 @@ BOOL LLPath::generate(const LLPathParams& params, F32 detail, S32 split,
 			for (S32 i=0;i<np;i++)
 			{
 				F32 t = lerp(params.getBegin(),params.getEnd(),(F32)i * mStep);
-				mPath[i].mPos.setVec(lerp(0,params.getShear().mV[0],t),
+				mPath[i].mPos.set(lerp(0,params.getShear().mV[0],t),
 									 lerp(0,params.getShear().mV[1],t),
 									 t - 0.5f);
-				mPath[i].mRot.setQuat(lerp(F_PI * params.getTwistBegin(),F_PI * params.getTwist(),t),0,0,1);
-				mPath[i].mScale.mV[0] = lerp(start_scale.mV[0],end_scale.mV[0],t);
-				mPath[i].mScale.mV[1] = lerp(start_scale.mV[1],end_scale.mV[1],t);
+				LLQuaternion quat;
+				quat.setQuat(lerp(F_PI * params.getTwistBegin(),F_PI * params.getTwist(),t),0,0,1);
+				LLMatrix3 tmp(quat);
+				mPath[i].mRot.loadu(tmp);
+				mPath[i].mScale.set(lerp(start_scale.mV[0],end_scale.mV[0],t),
+									lerp(start_scale.mV[1],end_scale.mV[1],t),
+									0,1);
 				mPath[i].mTexT        = t;
 			}
 		}
@@ -1617,7 +1549,7 @@ BOOL LLPath::generate(const LLPathParams& params, F32 detail, S32 split,
 			F32 toggle = 0.5f;
 			for (S32 i=0;i<(S32)mPath.size();i++)
 			{
-				mPath[i].mPos.mV[0] = toggle;
+				mPath[i].mPos.getF32ptr()[0] = toggle;
 				if (toggle == 0.5f)
 					toggle = -0.5f;
 				else
@@ -1638,14 +1570,16 @@ BOOL LLPath::generate(const LLPathParams& params, F32 detail, S32 split,
 		for (S32 i=0;i<np;i++)
 		{
 			F32 t = (F32)i * mStep;
-			mPath[i].mPos.setVec(0,
+			mPath[i].mPos.set(0,
 								lerp(0,   -sin(F_PI*params.getTwist()*t)*0.5f,t),
 								lerp(-0.5, cos(F_PI*params.getTwist()*t)*0.5f,t));
-			mPath[i].mScale.mV[0] = lerp(1,params.getScale().mV[0],t);
-			mPath[i].mScale.mV[1] = lerp(1,params.getScale().mV[1],t);
+			mPath[i].mScale.set(lerp(1,params.getScale().mV[0],t),
+								lerp(1,params.getScale().mV[1],t), 0,1);
 			mPath[i].mTexT  = t;
-
-			mPath[i].mRot.setQuat(F_PI * params.getTwist() * t,1,0,0);
+			LLQuaternion quat;
+			quat.setQuat(F_PI * params.getTwist() * t,1,0,0);
+			LLMatrix3 tmp(quat);
+			mPath[i].mRot.loadu(tmp);
 		}
 
 		break;
@@ -1669,11 +1603,15 @@ BOOL LLDynamicPath::generate(const LLPathParams& params, F32 detail, S32 split,
 		// Path hasn't been generated yet.
 		// Some algorithms later assume at least TWO path points.
 		resizePath(2);
+		LLQuaternion quat;
+		quat.setQuat(0,0,0);
+		LLMatrix3 tmp(quat);
+
 		for (U32 i = 0; i < 2; i++)
 		{
-			mPath[i].mPos.setVec(0, 0, 0);
-			mPath[i].mRot.setQuat(0, 0, 0);
-			mPath[i].mScale.setVec(1, 1);
+			mPath[i].mPos.set(0, 0, 0);
+			mPath[i].mRot.loadu(tmp);
+			mPath[i].mScale.set(1, 1, 0, 1);
 			mPath[i].mTexT = 0;
 		}
 	}
@@ -2046,7 +1984,7 @@ LLVolume::LLVolume(const LLVolumeParams &params, const F32 detail, const BOOL ge
 	mHullIndices = NULL;
 	mNumHullPoints = 0;
 	mNumHullIndices = 0;
-
+	
 	// set defaults
 	if (mParams.getPathParams().getCurveType() == LL_PCODE_PATH_FLEXIBLE)
 	{
@@ -2106,6 +2044,7 @@ LLVolume::~LLVolume()
 
 BOOL LLVolume::generate()
 {
+	LL_CHECK_MEMORY
 	llassert_always(mProfilep);
 	
 	//Added 10.03.05 Dave Parks
@@ -2142,20 +2081,6 @@ BOOL LLVolume::generate()
 		mLODScaleBias.setVec(0.6f, 0.6f, 0.6f);
 	}
 	
-	//********************************************************************
-	//debug info, to be removed
-	if((U32)(mPathp->mPath.size() * mProfilep->mProfile.size()) > (1u << 20))
-	{
-		llinfos << "sizeS: " << mPathp->mPath.size() << " sizeT: " << mProfilep->mProfile.size() << llendl ;
-		llinfos << "path_detail : " << path_detail << " split: " << split << " profile_detail: " << profile_detail << llendl ;
-		llinfos << mParams << llendl ;
-		llinfos << "more info to check if mProfilep is deleted or not." << llendl ;
-		llinfos << mProfilep->mNormals.size() << " : " << mProfilep->mFaces.size() << " : " << mProfilep->mEdgeNormals.size() << " : " << mProfilep->mEdgeCenters.size() << llendl ;
-
-		llerrs << "LLVolume corrupted!" << llendl ;
-	}
-	//********************************************************************
-
 	BOOL regenPath = mPathp->generate(mParams.getPathParams(), path_detail, split);
 	BOOL regenProf = mProfilep->generate(mParams.getProfileParams(), mPathp->isOpen(),profile_detail, split);
 
@@ -2164,21 +2089,6 @@ BOOL LLVolume::generate()
 		S32 sizeS = mPathp->mPath.size();
 		S32 sizeT = mProfilep->mProfile.size();
 
-		//********************************************************************
-		//debug info, to be removed
-		if((U32)(sizeS * sizeT) > (1u << 20))
-		{
-			llinfos << "regenPath: " << (S32)regenPath << " regenProf: " << (S32)regenProf << llendl ;
-			llinfos << "sizeS: " << sizeS << " sizeT: " << sizeT << llendl ;
-			llinfos << "path_detail : " << path_detail << " split: " << split << " profile_detail: " << profile_detail << llendl ;
-			llinfos << mParams << llendl ;
-			llinfos << "more info to check if mProfilep is deleted or not." << llendl ;
-			llinfos << mProfilep->mNormals.size() << " : " << mProfilep->mFaces.size() << " : " << mProfilep->mEdgeNormals.size() << " : " << mProfilep->mEdgeCenters.size() << llendl ;
-
-			llerrs << "LLVolume corrupted!" << llendl ;
-		}
-		//********************************************************************
-
 		sNumMeshPoints -= mMesh.size();
 		mMesh.resize(sizeT * sizeS);
 		sNumMeshPoints += mMesh.size();		
@@ -2186,22 +2096,39 @@ BOOL LLVolume::generate()
 		//generate vertex positions
 
 		// Run along the path.
+		LLVector4a* dst = mMesh.mArray;
+
 		for (S32 s = 0; s < sizeS; ++s)
 		{
-			LLVector2  scale = mPathp->mPath[s].mScale;
-			LLQuaternion rot = mPathp->mPath[s].mRot;
+			F32* scale = mPathp->mPath[s].mScale.getF32ptr();
+			
+			F32 sc [] = 
+			{ scale[0], 0, 0, 0,
+				0, scale[1], 0, 0,
+				0, 0, scale[2], 0,
+					0, 0, 0, 1 };
+			
+			LLMatrix4 rot((F32*) mPathp->mPath[s].mRot.mMatrix);
+			LLMatrix4 scale_mat(sc);
+			
+			scale_mat *= rot;
+			
+			LLMatrix4a rot_mat;
+			rot_mat.loadu(scale_mat);
+			
+			LLVector4a* profile = mProfilep->mProfile.mArray;
+			LLVector4a* end_profile = profile+sizeT;
+			LLVector4a offset = mPathp->mPath[s].mPos;
+
+			LLVector4a tmp;
 
 			// Run along the profile.
-			for (S32 t = 0; t < sizeT; ++t)
+			while (profile < end_profile)
 			{
-				S32 m = s*sizeT + t;
-				Point& pt = mMesh[m];
-				
-				pt.mPos.mV[0] = mProfilep->mProfile[t].mV[0] * scale.mV[0];
-				pt.mPos.mV[1] = mProfilep->mProfile[t].mV[1] * scale.mV[1];
-				pt.mPos.mV[2] = 0.0f;
-				pt.mPos       = pt.mPos * rot;
-				pt.mPos      += mPathp->mPath[s].mPos;
+				rot_mat.rotate(*profile++, tmp);
+				dst->setAdd(tmp,offset);
+				llassert(less_than_max_mag(*dst));
+				++dst;
 			}
 		}
 
@@ -2211,9 +2138,11 @@ BOOL LLVolume::generate()
 			LLFaceID id = iter->mFaceID;
 			mFaceMask |= id;
 		}
-		
+		LL_CHECK_MEMORY
 		return TRUE;
 	}
+
+	LL_CHECK_MEMORY
 	return FALSE;
 }
 
@@ -2792,14 +2721,16 @@ void LLVolume::createVolumeFaces()
 }
 
 
-inline LLVector3 sculpt_rgb_to_vector(U8 r, U8 g, U8 b)
+inline LLVector4a sculpt_rgb_to_vector(U8 r, U8 g, U8 b)
 {
 	// maps RGB values to vector values [0..255] -> [-0.5..0.5]
-	LLVector3 value;
-	value.mV[VX] = r / 255.f - 0.5f;
-	value.mV[VY] = g / 255.f - 0.5f;
-	value.mV[VZ] = b / 255.f - 0.5f;
+	LLVector4a value;
+	LLVector4a sub(0.5f, 0.5f, 0.5f);
 
+	value.set(r,g,b);
+	value.mul(1.f/255.f);
+	value.sub(sub);
+	
 	return value;
 }
 
@@ -2819,21 +2750,21 @@ inline U32 sculpt_st_to_index(S32 s, S32 t, S32 size_s, S32 size_t, U16 sculpt_w
 }
 
 
-inline LLVector3 sculpt_index_to_vector(U32 index, const U8* sculpt_data)
+inline LLVector4a sculpt_index_to_vector(U32 index, const U8* sculpt_data)
 {
-	LLVector3 v = sculpt_rgb_to_vector(sculpt_data[index], sculpt_data[index+1], sculpt_data[index+2]);
+	LLVector4a v = sculpt_rgb_to_vector(sculpt_data[index], sculpt_data[index+1], sculpt_data[index+2]);
 
 	return v;
 }
 
-inline LLVector3 sculpt_st_to_vector(S32 s, S32 t, S32 size_s, S32 size_t, U16 sculpt_width, U16 sculpt_height, S8 sculpt_components, const U8* sculpt_data)
+inline LLVector4a sculpt_st_to_vector(S32 s, S32 t, S32 size_s, S32 size_t, U16 sculpt_width, U16 sculpt_height, S8 sculpt_components, const U8* sculpt_data)
 {
 	U32 index = sculpt_st_to_index(s, t, size_s, size_t, sculpt_width, sculpt_height, sculpt_components);
 
 	return sculpt_index_to_vector(index, sculpt_data);
 }
 
-inline LLVector3 sculpt_xy_to_vector(U32 x, U32 y, U16 sculpt_width, U16 sculpt_height, S8 sculpt_components, const U8* sculpt_data)
+inline LLVector4a sculpt_xy_to_vector(U32 x, U32 y, U16 sculpt_width, U16 sculpt_height, S8 sculpt_components, const U8* sculpt_data)
 {
 	U32 index = sculpt_xy_to_index(x, y, sculpt_width, sculpt_height, sculpt_components);
 
@@ -2855,15 +2786,26 @@ F32 LLVolume::sculptGetSurfaceArea()
 		for (S32 t = 0; t < sizeT-1; t++)
 		{
 			// get four corners of quad
-			LLVector3 p1 = mMesh[(s  )*sizeT + (t  )].mPos;
-			LLVector3 p2 = mMesh[(s+1)*sizeT + (t  )].mPos;
-			LLVector3 p3 = mMesh[(s  )*sizeT + (t+1)].mPos;
-			LLVector3 p4 = mMesh[(s+1)*sizeT + (t+1)].mPos;
+			LLVector4a& p1 = mMesh[(s  )*sizeT + (t  )];
+			LLVector4a& p2 = mMesh[(s+1)*sizeT + (t  )];
+			LLVector4a& p3 = mMesh[(s  )*sizeT + (t+1)];
+			LLVector4a& p4 = mMesh[(s+1)*sizeT + (t+1)];
 
 			// compute the area of the quad by taking the length of the cross product of the two triangles
-			LLVector3 cross1 = (p1 - p2) % (p1 - p3);
-			LLVector3 cross2 = (p4 - p2) % (p4 - p3);
-			area += (cross1.magVec() + cross2.magVec()) / 2.f;
+			LLVector4a v0,v1,v2,v3;
+			v0.setSub(p1,p2);
+			v1.setSub(p1,p3);
+			v2.setSub(p4,p2);
+			v3.setSub(p4,p3);
+
+			LLVector4a cross1, cross2;
+			cross1.setCross3(v0,v1);
+			cross2.setCross3(v2,v3);
+
+			//LLVector3 cross1 = (p1 - p2) % (p1 - p3);
+			//LLVector3 cross2 = (p4 - p2) % (p4 - p3);
+			
+			area += (cross1.getLength3() + cross2.getLength3()).getF32() / 2.f;
 		}
 	}
 
@@ -2884,17 +2826,19 @@ void LLVolume::sculptGeneratePlaceholder()
 		for (S32 t = 0; t < sizeT; t++)
 		{
 			S32 i = t + line;
-			Point& pt = mMesh[i];
+			LLVector4a& pt = mMesh[i];
 
 			
 			F32 u = (F32)s/(sizeS-1);
 			F32 v = (F32)t/(sizeT-1);
 
 			const F32 RADIUS = (F32) 0.3;
-					
-			pt.mPos.mV[0] = (F32)(sin(F_PI * v) * cos(2.0 * F_PI * u) * RADIUS);
-			pt.mPos.mV[1] = (F32)(sin(F_PI * v) * sin(2.0 * F_PI * u) * RADIUS);
-			pt.mPos.mV[2] = (F32)(cos(F_PI * v) * RADIUS);
+			
+			F32* p = pt.getF32ptr();
+
+			p[0] = (F32)(sin(F_PI * v) * cos(2.0 * F_PI * u) * RADIUS);
+			p[1] = (F32)(sin(F_PI * v) * sin(2.0 * F_PI * u) * RADIUS);
+			p[2] = (F32)(cos(F_PI * v) * RADIUS);
 
 		}
 		line += sizeT;
@@ -2919,7 +2863,7 @@ void LLVolume::sculptGenerateMapVertices(U16 sculpt_width, U16 sculpt_height, S8
 		for (S32 t = 0; t < sizeT; t++)
 		{
 			S32 i = t + line;
-			Point& pt = mMesh[i];
+			LLVector4a& pt = mMesh[i];
 
 			S32 reversed_t = t;
 
@@ -2976,11 +2920,12 @@ void LLVolume::sculptGenerateMapVertices(U16 sculpt_width, U16 sculpt_height, S8
 				}
 			}
 
-			pt.mPos = sculpt_xy_to_vector(x, y, sculpt_width, sculpt_height, sculpt_components, sculpt_data);
+			pt = sculpt_xy_to_vector(x, y, sculpt_width, sculpt_height, sculpt_components, sculpt_data);
 
 			if (sculpt_mirror)
 			{
-				pt.mPos.mV[VX] *= -1.f;
+				LLVector4a scale(-1.f,1,1,1);
+				pt.mul(scale);
 			}
 		}
 		
@@ -3562,627 +3507,6 @@ bool LLVolumeParams::validate(U8 prof_curve, F32 prof_begin, F32 prof_end, F32 h
 	return true;
 }
 
-S32 *LLVolume::getTriangleIndices(U32 &num_indices) const
-{
-	S32 expected_num_triangle_indices = getNumTriangleIndices();
-	if (expected_num_triangle_indices > MAX_VOLUME_TRIANGLE_INDICES)
-	{
-		// we don't allow LLVolumes with this many vertices
-		llwarns << "Couldn't allocate triangle indices" << llendl;
-		num_indices = 0;
-		return NULL;
-	}
-
-	S32* index = new S32[expected_num_triangle_indices];
-	S32 count = 0;
-
-	// Let's do this totally diffently, as we don't care about faces...
-	// Counter-clockwise triangles are forward facing...
-
-	BOOL open = getProfile().isOpen();
-	BOOL hollow = (mParams.getProfileParams().getHollow() > 0);
-	BOOL path_open = getPath().isOpen();
-	S32 size_s, size_s_out, size_t;
-	S32 s, t, i;
-	size_s = getProfile().getTotal();
-	size_s_out = getProfile().getTotalOut();
-	size_t = getPath().mPath.size();
-
-	// NOTE -- if the construction of the triangles below ever changes
-	// then getNumTriangleIndices() method may also have to be updated.
-
-	if (open)		/* Flawfinder: ignore */
-	{
-		if (hollow)
-		{
-			// Open hollow -- much like the closed solid, except we 
-			// we need to stitch up the gap between s=0 and s=size_s-1
-
-			for (t = 0; t < size_t - 1; t++)
-			{
-				// The outer face, first cut, and inner face
-				for (s = 0; s < size_s - 1; s++)
-				{
-					i  = s + t*size_s;
-					index[count++]  = i;				// x,y
-					index[count++]  = i + 1;			// x+1,y
-					index[count++]  = i + size_s;		// x,y+1
-	
-					index[count++]  = i + size_s;		// x,y+1
-					index[count++]  = i + 1;			// x+1,y
-					index[count++]  = i + size_s + 1;	// x+1,y+1
-				}
-
-				// The other cut face
-				index[count++]  = s + t*size_s;		// x,y
-				index[count++]  = 0 + t*size_s;		// x+1,y
-				index[count++]  = s + (t+1)*size_s;	// x,y+1
-	
-				index[count++]  = s + (t+1)*size_s;	// x,y+1
-				index[count++]  = 0 + t*size_s;		// x+1,y
-				index[count++]  = 0 + (t+1)*size_s;	// x+1,y+1
-			}
-
-			// Do the top and bottom caps, if necessary
-			if (path_open)
-			{
-				// Top cap
-				S32 pt1 = 0;
-				S32 pt2 = size_s-1;
-				S32 i   = (size_t - 1)*size_s;
-
-				while (pt2 - pt1 > 1)
-				{
-					// Use the profile points instead of the mesh, since you want
-					// the un-transformed profile distances.
-					LLVector3 p1 = getProfile().mProfile[pt1];
-					LLVector3 p2 = getProfile().mProfile[pt2];
-					LLVector3 pa = getProfile().mProfile[pt1+1];
-					LLVector3 pb = getProfile().mProfile[pt2-1];
-
-					p1.mV[VZ] = 0.f;
-					p2.mV[VZ] = 0.f;
-					pa.mV[VZ] = 0.f;
-					pb.mV[VZ] = 0.f;
-
-					// Use area of triangle to determine backfacing
-					F32 area_1a2, area_1ba, area_21b, area_2ab;
-					area_1a2 =  (p1.mV[0]*pa.mV[1] - pa.mV[0]*p1.mV[1]) +
-								(pa.mV[0]*p2.mV[1] - p2.mV[0]*pa.mV[1]) +
-								(p2.mV[0]*p1.mV[1] - p1.mV[0]*p2.mV[1]);
-
-					area_1ba =  (p1.mV[0]*pb.mV[1] - pb.mV[0]*p1.mV[1]) +
-								(pb.mV[0]*pa.mV[1] - pa.mV[0]*pb.mV[1]) +
-								(pa.mV[0]*p1.mV[1] - p1.mV[0]*pa.mV[1]);
-
-					area_21b =  (p2.mV[0]*p1.mV[1] - p1.mV[0]*p2.mV[1]) +
-								(p1.mV[0]*pb.mV[1] - pb.mV[0]*p1.mV[1]) +
-								(pb.mV[0]*p2.mV[1] - p2.mV[0]*pb.mV[1]);
-
-					area_2ab =  (p2.mV[0]*pa.mV[1] - pa.mV[0]*p2.mV[1]) +
-								(pa.mV[0]*pb.mV[1] - pb.mV[0]*pa.mV[1]) +
-								(pb.mV[0]*p2.mV[1] - p2.mV[0]*pb.mV[1]);
-
-					BOOL use_tri1a2 = TRUE;
-					BOOL tri_1a2 = TRUE;
-					BOOL tri_21b = TRUE;
-
-					if (area_1a2 < 0)
-					{
-						tri_1a2 = FALSE;
-					}
-					if (area_2ab < 0)
-					{
-						// Can't use, because it contains point b
-						tri_1a2 = FALSE;
-					}
-					if (area_21b < 0)
-					{
-						tri_21b = FALSE;
-					}
-					if (area_1ba < 0)
-					{
-						// Can't use, because it contains point b
-						tri_21b = FALSE;
-					}
-
-					if (!tri_1a2)
-					{
-						use_tri1a2 = FALSE;
-					}
-					else if (!tri_21b)
-					{
-						use_tri1a2 = TRUE;
-					}
-					else
-					{
-						LLVector3 d1 = p1 - pa;
-						LLVector3 d2 = p2 - pb;
-
-						if (d1.magVecSquared() < d2.magVecSquared())
-						{
-							use_tri1a2 = TRUE;
-						}
-						else
-						{
-							use_tri1a2 = FALSE;
-						}
-					}
-
-					if (use_tri1a2)
-					{
-						index[count++] = pt1 + i;
-						index[count++] = pt1 + 1 + i;
-						index[count++] = pt2 + i;
-						pt1++;
-					}
-					else
-					{
-						index[count++] = pt1 + i;
-						index[count++] = pt2 - 1 + i;
-						index[count++] = pt2 + i;
-						pt2--;
-					}
-				}
-
-				// Bottom cap
-				pt1          = 0;
-				pt2          = size_s-1;
-				while (pt2 - pt1 > 1)
-				{
-					// Use the profile points instead of the mesh, since you want
-					// the un-transformed profile distances.
-					LLVector3 p1 = getProfile().mProfile[pt1];
-					LLVector3 p2 = getProfile().mProfile[pt2];
-					LLVector3 pa = getProfile().mProfile[pt1+1];
-					LLVector3 pb = getProfile().mProfile[pt2-1];
-
-					p1.mV[VZ] = 0.f;
-					p2.mV[VZ] = 0.f;
-					pa.mV[VZ] = 0.f;
-					pb.mV[VZ] = 0.f;
-
-					// Use area of triangle to determine backfacing
-					F32 area_1a2, area_1ba, area_21b, area_2ab;
-					area_1a2 =  (p1.mV[0]*pa.mV[1] - pa.mV[0]*p1.mV[1]) +
-								(pa.mV[0]*p2.mV[1] - p2.mV[0]*pa.mV[1]) +
-								(p2.mV[0]*p1.mV[1] - p1.mV[0]*p2.mV[1]);
-
-					area_1ba =  (p1.mV[0]*pb.mV[1] - pb.mV[0]*p1.mV[1]) +
-								(pb.mV[0]*pa.mV[1] - pa.mV[0]*pb.mV[1]) +
-								(pa.mV[0]*p1.mV[1] - p1.mV[0]*pa.mV[1]);
-
-					area_21b =  (p2.mV[0]*p1.mV[1] - p1.mV[0]*p2.mV[1]) +
-								(p1.mV[0]*pb.mV[1] - pb.mV[0]*p1.mV[1]) +
-								(pb.mV[0]*p2.mV[1] - p2.mV[0]*pb.mV[1]);
-
-					area_2ab =  (p2.mV[0]*pa.mV[1] - pa.mV[0]*p2.mV[1]) +
-								(pa.mV[0]*pb.mV[1] - pb.mV[0]*pa.mV[1]) +
-								(pb.mV[0]*p2.mV[1] - p2.mV[0]*pb.mV[1]);
-
-					BOOL use_tri1a2 = TRUE;
-					BOOL tri_1a2 = TRUE;
-					BOOL tri_21b = TRUE;
-
-					if (area_1a2 < 0)
-					{
-						tri_1a2 = FALSE;
-					}
-					if (area_2ab < 0)
-					{
-						// Can't use, because it contains point b
-						tri_1a2 = FALSE;
-					}
-					if (area_21b < 0)
-					{
-						tri_21b = FALSE;
-					}
-					if (area_1ba < 0)
-					{
-						// Can't use, because it contains point b
-						tri_21b = FALSE;
-					}
-
-					if (!tri_1a2)
-					{
-						use_tri1a2 = FALSE;
-					}
-					else if (!tri_21b)
-					{
-						use_tri1a2 = TRUE;
-					}
-					else
-					{
-						LLVector3 d1 = p1 - pa;
-						LLVector3 d2 = p2 - pb;
-
-						if (d1.magVecSquared() < d2.magVecSquared())
-						{
-							use_tri1a2 = TRUE;
-						}
-						else
-						{
-							use_tri1a2 = FALSE;
-						}
-					}
-
-					if (use_tri1a2)
-					{
-						index[count++] = pt1;
-						index[count++] = pt2;
-						index[count++] = pt1 + 1;
-						pt1++;
-					}
-					else
-					{
-						index[count++] = pt1;
-						index[count++] = pt2;
-						index[count++] = pt2 - 1;
-						pt2--;
-					}
-				}
-			}
-		}
-		else
-		{
-			// Open solid
-
-			for (t = 0; t < size_t - 1; t++)
-			{
-				// Outer face + 1 cut face
-				for (s = 0; s < size_s - 1; s++)
-				{
-					i  = s + t*size_s;
-
-					index[count++]  = i;				// x,y
-					index[count++]  = i + 1;			// x+1,y
-					index[count++]  = i + size_s;		// x,y+1
-
-					index[count++]  = i + size_s;		// x,y+1
-					index[count++]  = i + 1;			// x+1,y
-					index[count++]  = i + size_s + 1;	// x+1,y+1
-				}
-
-				// The other cut face
-				index[count++] = (size_s - 1) + (t*size_s);		// x,y
-				index[count++] = 0 + t*size_s;					// x+1,y
-				index[count++] = (size_s - 1) + (t+1)*size_s;	// x,y+1
-
-				index[count++] = (size_s - 1) + (t+1)*size_s;	// x,y+1
-				index[count++] = 0 + (t*size_s);				// x+1,y
-				index[count++] = 0 + (t+1)*size_s;				// x+1,y+1
-			}
-
-			// Do the top and bottom caps, if necessary
-			if (path_open)
-			{
-				for (s = 0; s < size_s - 2; s++)
-				{
-					index[count++] = s+1;
-					index[count++] = s;
-					index[count++] = size_s - 1;
-				}
-
-				// We've got a top cap
-				S32 offset = (size_t - 1)*size_s;
-				for (s = 0; s < size_s - 2; s++)
-				{
-					// Inverted ordering from bottom cap.
-					index[count++] = offset + size_s - 1;
-					index[count++] = offset + s;
-					index[count++] = offset + s + 1;
-				}
-			}
-		}
-	}
-	else if (hollow)
-	{
-		// Closed hollow
-		// Outer face
-		
-		for (t = 0; t < size_t - 1; t++)
-		{
-			for (s = 0; s < size_s_out - 1; s++)
-			{
-				i  = s + t*size_s;
-
-				index[count++]  = i;				// x,y
-				index[count++]  = i + 1;			// x+1,y
-				index[count++]  = i + size_s;		// x,y+1
-
-				index[count++]  = i + size_s;		// x,y+1
-				index[count++]  = i + 1;			// x+1,y
-				index[count++]  = i + 1 + size_s;	// x+1,y+1
-			}
-		}
-
-		// Inner face
-		// Invert facing from outer face
-		for (t = 0; t < size_t - 1; t++)
-		{
-			for (s = size_s_out; s < size_s - 1; s++)
-			{
-				i  = s + t*size_s;
-
-				index[count++]  = i;				// x,y
-				index[count++]  = i + 1;			// x+1,y
-				index[count++]  = i + size_s;		// x,y+1
-
-				index[count++]  = i + size_s;		// x,y+1
-				index[count++]  = i + 1;			// x+1,y
-				index[count++]  = i + 1 + size_s;	// x+1,y+1
-			}
-		}
-
-		// Do the top and bottom caps, if necessary
-		if (path_open)
-		{
-			// Top cap
-			S32 pt1 = 0;
-			S32 pt2 = size_s-1;
-			S32 i   = (size_t - 1)*size_s;
-
-			while (pt2 - pt1 > 1)
-			{
-				// Use the profile points instead of the mesh, since you want
-				// the un-transformed profile distances.
-				LLVector3 p1 = getProfile().mProfile[pt1];
-				LLVector3 p2 = getProfile().mProfile[pt2];
-				LLVector3 pa = getProfile().mProfile[pt1+1];
-				LLVector3 pb = getProfile().mProfile[pt2-1];
-
-				p1.mV[VZ] = 0.f;
-				p2.mV[VZ] = 0.f;
-				pa.mV[VZ] = 0.f;
-				pb.mV[VZ] = 0.f;
-
-				// Use area of triangle to determine backfacing
-				F32 area_1a2, area_1ba, area_21b, area_2ab;
-				area_1a2 =  (p1.mV[0]*pa.mV[1] - pa.mV[0]*p1.mV[1]) +
-							(pa.mV[0]*p2.mV[1] - p2.mV[0]*pa.mV[1]) +
-							(p2.mV[0]*p1.mV[1] - p1.mV[0]*p2.mV[1]);
-
-				area_1ba =  (p1.mV[0]*pb.mV[1] - pb.mV[0]*p1.mV[1]) +
-							(pb.mV[0]*pa.mV[1] - pa.mV[0]*pb.mV[1]) +
-							(pa.mV[0]*p1.mV[1] - p1.mV[0]*pa.mV[1]);
-
-				area_21b =  (p2.mV[0]*p1.mV[1] - p1.mV[0]*p2.mV[1]) +
-							(p1.mV[0]*pb.mV[1] - pb.mV[0]*p1.mV[1]) +
-							(pb.mV[0]*p2.mV[1] - p2.mV[0]*pb.mV[1]);
-
-				area_2ab =  (p2.mV[0]*pa.mV[1] - pa.mV[0]*p2.mV[1]) +
-							(pa.mV[0]*pb.mV[1] - pb.mV[0]*pa.mV[1]) +
-							(pb.mV[0]*p2.mV[1] - p2.mV[0]*pb.mV[1]);
-
-				BOOL use_tri1a2 = TRUE;
-				BOOL tri_1a2 = TRUE;
-				BOOL tri_21b = TRUE;
-
-				if (area_1a2 < 0)
-				{
-					tri_1a2 = FALSE;
-				}
-				if (area_2ab < 0)
-				{
-					// Can't use, because it contains point b
-					tri_1a2 = FALSE;
-				}
-				if (area_21b < 0)
-				{
-					tri_21b = FALSE;
-				}
-				if (area_1ba < 0)
-				{
-					// Can't use, because it contains point b
-					tri_21b = FALSE;
-				}
-
-				if (!tri_1a2)
-				{
-					use_tri1a2 = FALSE;
-				}
-				else if (!tri_21b)
-				{
-					use_tri1a2 = TRUE;
-				}
-				else
-				{
-					LLVector3 d1 = p1 - pa;
-					LLVector3 d2 = p2 - pb;
-
-					if (d1.magVecSquared() < d2.magVecSquared())
-					{
-						use_tri1a2 = TRUE;
-					}
-					else
-					{
-						use_tri1a2 = FALSE;
-					}
-				}
-
-				if (use_tri1a2)
-				{
-					index[count++] = pt1 + i;
-					index[count++] = pt1 + 1 + i;
-					index[count++] = pt2 + i;
-					pt1++;
-				}
-				else
-				{
-					index[count++] = pt1 + i;
-					index[count++] = pt2 - 1 + i;
-					index[count++] = pt2 + i;
-					pt2--;
-				}
-			}
-
-			// Bottom cap
-			pt1          = 0;
-			pt2          = size_s-1;
-			while (pt2 - pt1 > 1)
-			{
-				// Use the profile points instead of the mesh, since you want
-				// the un-transformed profile distances.
-				LLVector3 p1 = getProfile().mProfile[pt1];
-				LLVector3 p2 = getProfile().mProfile[pt2];
-				LLVector3 pa = getProfile().mProfile[pt1+1];
-				LLVector3 pb = getProfile().mProfile[pt2-1];
-
-				p1.mV[VZ] = 0.f;
-				p2.mV[VZ] = 0.f;
-				pa.mV[VZ] = 0.f;
-				pb.mV[VZ] = 0.f;
-
-				// Use area of triangle to determine backfacing
-				F32 area_1a2, area_1ba, area_21b, area_2ab;
-				area_1a2 =  (p1.mV[0]*pa.mV[1] - pa.mV[0]*p1.mV[1]) +
-							(pa.mV[0]*p2.mV[1] - p2.mV[0]*pa.mV[1]) +
-							(p2.mV[0]*p1.mV[1] - p1.mV[0]*p2.mV[1]);
-
-				area_1ba =  (p1.mV[0]*pb.mV[1] - pb.mV[0]*p1.mV[1]) +
-							(pb.mV[0]*pa.mV[1] - pa.mV[0]*pb.mV[1]) +
-							(pa.mV[0]*p1.mV[1] - p1.mV[0]*pa.mV[1]);
-
-				area_21b =  (p2.mV[0]*p1.mV[1] - p1.mV[0]*p2.mV[1]) +
-							(p1.mV[0]*pb.mV[1] - pb.mV[0]*p1.mV[1]) +
-							(pb.mV[0]*p2.mV[1] - p2.mV[0]*pb.mV[1]);
-
-				area_2ab =  (p2.mV[0]*pa.mV[1] - pa.mV[0]*p2.mV[1]) +
-							(pa.mV[0]*pb.mV[1] - pb.mV[0]*pa.mV[1]) +
-							(pb.mV[0]*p2.mV[1] - p2.mV[0]*pb.mV[1]);
-
-				BOOL use_tri1a2 = TRUE;
-				BOOL tri_1a2 = TRUE;
-				BOOL tri_21b = TRUE;
-
-				if (area_1a2 < 0)
-				{
-					tri_1a2 = FALSE;
-				}
-				if (area_2ab < 0)
-				{
-					// Can't use, because it contains point b
-					tri_1a2 = FALSE;
-				}
-				if (area_21b < 0)
-				{
-					tri_21b = FALSE;
-				}
-				if (area_1ba < 0)
-				{
-					// Can't use, because it contains point b
-					tri_21b = FALSE;
-				}
-
-				if (!tri_1a2)
-				{
-					use_tri1a2 = FALSE;
-				}
-				else if (!tri_21b)
-				{
-					use_tri1a2 = TRUE;
-				}
-				else
-				{
-					LLVector3 d1 = p1 - pa;
-					LLVector3 d2 = p2 - pb;
-
-					if (d1.magVecSquared() < d2.magVecSquared())
-					{
-						use_tri1a2 = TRUE;
-					}
-					else
-					{
-						use_tri1a2 = FALSE;
-					}
-				}
-
-				if (use_tri1a2)
-				{
-					index[count++] = pt1;
-					index[count++] = pt2;
-					index[count++] = pt1 + 1;
-					pt1++;
-				}
-				else
-				{
-					index[count++] = pt1;
-					index[count++] = pt2;
-					index[count++] = pt2 - 1;
-					pt2--;
-				}
-			}
-		}		
-	}
-	else
-	{
-		// Closed solid.  Easy case.
-		for (t = 0; t < size_t - 1; t++)
-		{
-			for (s = 0; s < size_s - 1; s++)
-			{
-				// Should wrap properly, but for now...
-				i  = s + t*size_s;
-
-				index[count++]  = i;				// x,y
-				index[count++]  = i + 1;			// x+1,y
-				index[count++]  = i + size_s;		// x,y+1
-
-				index[count++]  = i + size_s;		// x,y+1
-				index[count++]  = i + 1;			// x+1,y
-				index[count++]  = i + size_s + 1;	// x+1,y+1
-			}
-		}
-
-		// Do the top and bottom caps, if necessary
-		if (path_open)
-		{
-			// bottom cap
-			for (s = 1; s < size_s - 2; s++)
-			{
-				index[count++] = s+1;
-				index[count++] = s;
-				index[count++] = 0;
-			}
-
-			// top cap
-			S32 offset = (size_t - 1)*size_s;
-			for (s = 1; s < size_s - 2; s++)
-			{
-				// Inverted ordering from bottom cap.
-				index[count++] = offset;
-				index[count++] = offset + s;
-				index[count++] = offset + s + 1;
-			}
-		}
-	}
-
-#ifdef LL_DEBUG
-	// assert that we computed the correct number of indices
-	if (count != expected_num_triangle_indices )
-	{
-		llerrs << "bad index count prediciton:"
-			<< "  expected=" << expected_num_triangle_indices 
-			<< " actual=" << count << llendl;
-	}
-#endif
-
-#if 0
-	// verify that each index does not point beyond the size of the mesh
-	S32 num_vertices = mMesh.size();
-	for (i = 0; i < count; i+=3)
-	{
-		llinfos << index[i] << ":" << index[i+1] << ":" << index[i+2] << llendl;
-		llassert(index[i] < num_vertices);
-		llassert(index[i+1] < num_vertices);
-		llassert(index[i+2] < num_vertices);
-	}
-#endif
-
-	num_indices = count;
-	return index;
-}
-
 void LLVolume::getLoDTriangleCounts(const LLVolumeParams& params, S32* counts)
 { //attempt to approximate the number of triangles that will result from generating a volume LoD set for the 
 	//supplied LLVolumeParams -- inaccurate, but a close enough approximation for determining streaming cost
@@ -4200,63 +3524,6 @@ void LLVolume::getLoDTriangleCounts(const LLVolumeParams& params, S32* counts)
 	}
 }
 
-S32 LLVolume::getNumTriangleIndices() const
-{
-	BOOL profile_open = getProfile().isOpen();
-	BOOL hollow = (mParams.getProfileParams().getHollow() > 0);
-	BOOL path_open = getPath().isOpen();
-
-	S32 size_s, size_s_out, size_t;
-	size_s = getProfile().getTotal();
-	size_s_out = getProfile().getTotalOut();
-	size_t = getPath().mPath.size();
-
-	S32 count = 0;
-	if (profile_open)		/* Flawfinder: ignore */
-	{
-		if (hollow)
-		{
-			// Open hollow -- much like the closed solid, except we 
-			// we need to stitch up the gap between s=0 and s=size_s-1
-			count = (size_t - 1) * (((size_s -1) * 6) + 6);
-		}
-		else
-		{
-			count = (size_t - 1) * (((size_s -1) * 6) + 6); 
-		}
-	}
-	else if (hollow)
-	{
-		// Closed hollow
-		// Outer face
-		count = (size_t - 1) * (size_s_out - 1) * 6;
-
-		// Inner face
-		count += (size_t - 1) * ((size_s - 1) - size_s_out) * 6;
-	}
-	else
-	{
-		// Closed solid.  Easy case.
-		count = (size_t - 1) * (size_s - 1) * 6;
-	}
-
-	if (path_open)
-	{
-		S32 cap_triangle_count = size_s - 3;
-		if ( profile_open
-			|| hollow )
-		{
-			cap_triangle_count = size_s - 2;
-		}
-		if ( cap_triangle_count > 0 )
-		{
-			// top and bottom caps
-			count += cap_triangle_count * 2 * 3;
-		}
-	}
-	return count;
-}
-
 
 S32 LLVolume::getNumTriangles(S32* vcount) const
 {
@@ -5192,6 +4459,7 @@ LLVolumeFace::LLVolumeFace() :
 	mNumS(0),
 	mNumT(0),
 	mNumVertices(0),
+	mNumAllocatedVertices(0),
 	mNumIndices(0),
 	mPositions(NULL),
 	mNormals(NULL),
@@ -5199,7 +4467,8 @@ LLVolumeFace::LLVolumeFace() :
 	mTexCoords(NULL),
 	mIndices(NULL),
 	mWeights(NULL),
-	mOctree(NULL)
+	mOctree(NULL),
+	mOptimized(FALSE)
 {
 	mExtents = (LLVector4a*) ll_aligned_malloc_16(sizeof(LLVector4a)*3);
 	mExtents[0].splat(-0.5f);
@@ -5215,6 +4484,7 @@ LLVolumeFace::LLVolumeFace(const LLVolumeFace& src)
 	mNumS(0),
 	mNumT(0),
 	mNumVertices(0),
+	mNumAllocatedVertices(0),
 	mNumIndices(0),
 	mPositions(NULL),
 	mNormals(NULL),
@@ -5252,8 +4522,6 @@ LLVolumeFace& LLVolumeFace::operator=(const LLVolumeFace& src)
 
 	freeData();
 	
-	LLVector4a::memcpyNonAliased16((F32*) mExtents, (F32*) src.mExtents, 3*sizeof(LLVector4a));
-
 	resizeVertices(src.mNumVertices);
 	resizeIndices(src.mNumIndices);
 
@@ -5263,19 +4531,17 @@ LLVolumeFace& LLVolumeFace::operator=(const LLVolumeFace& src)
 		S32 tc_size = (mNumVertices*sizeof(LLVector2)+0xF) & ~0xF;
 			
 		LLVector4a::memcpyNonAliased16((F32*) mPositions, (F32*) src.mPositions, vert_size);
-		LLVector4a::memcpyNonAliased16((F32*) mNormals, (F32*) src.mNormals, vert_size);
 
-		if(src.mTexCoords)
+		if (src.mNormals)
 		{
-			LLVector4a::memcpyNonAliased16((F32*) mTexCoords, (F32*) src.mTexCoords, tc_size);
+			LLVector4a::memcpyNonAliased16((F32*) mNormals, (F32*) src.mNormals, vert_size);
 		}
-		else
+
+		if(src.mTexCoords)
 		{
-			ll_aligned_free_16(mTexCoords) ;
-			mTexCoords = NULL ;
+			LLVector4a::memcpyNonAliased16((F32*) mTexCoords, (F32*) src.mTexCoords, tc_size);
 		}
 
-
 		if (src.mTangents)
 		{
 			allocateTangents(src.mNumVertices);
@@ -5306,6 +4572,8 @@ LLVolumeFace& LLVolumeFace::operator=(const LLVolumeFace& src)
 		LLVector4a::memcpyNonAliased16((F32*) mIndices, (F32*) src.mIndices, idx_size);
 	}
 	
+	mOptimized = src.mOptimized;
+
 	//delete 
 	return *this;
 }
@@ -5320,12 +4588,13 @@ LLVolumeFace::~LLVolumeFace()
 
 void LLVolumeFace::freeData()
 {
-	ll_aligned_free_16(mPositions);
+	ll_aligned_free(mPositions);
 	mPositions = NULL;
-	ll_aligned_free_16( mNormals);
+
+	//normals and texture coordinates are part of the same buffer as mPositions, do not free them separately
 	mNormals = NULL;
-	ll_aligned_free_16(mTexCoords);
 	mTexCoords = NULL;
+
 	ll_aligned_free_16(mIndices);
 	mIndices = NULL;
 	ll_aligned_free_16(mTangents);
@@ -5343,52 +4612,23 @@ BOOL LLVolumeFace::create(LLVolume* volume, BOOL partial_build)
 	delete mOctree;
 	mOctree = NULL;
 
+	LL_CHECK_MEMORY
 	BOOL ret = FALSE ;
 	if (mTypeMask & CAP_MASK)
 	{
 		ret = createCap(volume, partial_build);
+		LL_CHECK_MEMORY
 	}
 	else if ((mTypeMask & END_MASK) || (mTypeMask & SIDE_MASK))
 	{
 		ret = createSide(volume, partial_build);
+		LL_CHECK_MEMORY
 	}
 	else
 	{
 		llerrs << "Unknown/uninitialized face type!" << llendl;
 	}
 
-	//update the range of the texture coordinates
-	if(ret)
-	{
-		mTexCoordExtents[0].setVec(1.f, 1.f) ;
-		mTexCoordExtents[1].setVec(0.f, 0.f) ;
-
-		for(U32 i = 0 ; i < mNumVertices ; i++)
-		{
-			if(mTexCoordExtents[0].mV[0] > mTexCoords[i].mV[0])
-			{
-				mTexCoordExtents[0].mV[0] = mTexCoords[i].mV[0] ;
-			}
-			if(mTexCoordExtents[1].mV[0] < mTexCoords[i].mV[0])
-			{
-				mTexCoordExtents[1].mV[0] = mTexCoords[i].mV[0] ;
-			}
-
-			if(mTexCoordExtents[0].mV[1] > mTexCoords[i].mV[1])
-			{
-				mTexCoordExtents[0].mV[1] = mTexCoords[i].mV[1] ;
-			}
-			if(mTexCoordExtents[1].mV[1] < mTexCoords[i].mV[1])
-			{
-				mTexCoordExtents[1].mV[1] = mTexCoords[i].mV[1] ;
-			}			
-		}
-		mTexCoordExtents[0].mV[0] = llmax(0.f, mTexCoordExtents[0].mV[0]) ;
-		mTexCoordExtents[0].mV[1] = llmax(0.f, mTexCoordExtents[0].mV[1]) ;
-		mTexCoordExtents[1].mV[0] = llmin(1.f, mTexCoordExtents[1].mV[0]) ;
-		mTexCoordExtents[1].mV[1] = llmin(1.f, mTexCoordExtents[1].mV[1]) ;
-	}
-
 	return ret ;
 }
 
@@ -5504,22 +4744,13 @@ void LLVolumeFace::optimize(F32 angle_cutoff)
 		}
 	}
 
-	llassert(new_face.mNumIndices == mNumIndices);
-	llassert(new_face.mNumVertices <= mNumVertices);
-
-	if (angle_cutoff > 1.f && !mNormals)
-	{
-		ll_aligned_free_16(new_face.mNormals);
-		new_face.mNormals = NULL;
-	}
-
-	if (!mTexCoords)
+	// Only swap data if we've actually optimized the mesh
+	//
+	if (new_face.mNumVertices <= mNumVertices)
 	{
-		ll_aligned_free_16(new_face.mTexCoords);
-		new_face.mTexCoords = NULL;
+		llassert(new_face.mNumIndices == mNumIndices);
+		swapData(new_face);
 	}
-
-	swapData(new_face);
 }
 
 class LLVCacheTriangleData;
@@ -5529,14 +4760,14 @@ class LLVCacheVertexData
 public:
 	S32 mIdx;
 	S32 mCacheTag;
-	F32 mScore;
+	F64 mScore;
 	U32 mActiveTriangles;
 	std::vector<LLVCacheTriangleData*> mTriangles;
 
 	LLVCacheVertexData()
 	{
 		mCacheTag = -1;
-		mScore = 0.f;
+		mScore = 0.0;
 		mActiveTriangles = 0;
 		mIdx = -1;
 	}
@@ -5546,13 +4777,13 @@ class LLVCacheTriangleData
 {
 public:
 	bool mActive;
-	F32 mScore;
+	F64 mScore;
 	LLVCacheVertexData* mVertex[3];
 
 	LLVCacheTriangleData()
 	{
 		mActive = true;
-		mScore = 0.f;
+		mScore = 0.0;
 		mVertex[0] = mVertex[1] = mVertex[2] = NULL;
 	}
 
@@ -5563,7 +4794,7 @@ public:
 		{
 			if (mVertex[i])
 			{
-				llassert_always(mVertex[i]->mActiveTriangles > 0);
+				llassert(mVertex[i]->mActiveTriangles > 0);
 				mVertex[i]->mActiveTriangles--;
 			}
 		}
@@ -5575,44 +4806,44 @@ public:
 	}
 };
 
-const F32 FindVertexScore_CacheDecayPower = 1.5f;
-const F32 FindVertexScore_LastTriScore = 0.75f;
-const F32 FindVertexScore_ValenceBoostScale = 2.0f;
-const F32 FindVertexScore_ValenceBoostPower = 0.5f;
+const F64 FindVertexScore_CacheDecayPower = 1.5;
+const F64 FindVertexScore_LastTriScore = 0.75;
+const F64 FindVertexScore_ValenceBoostScale = 2.0;
+const F64 FindVertexScore_ValenceBoostPower = 0.5;
 const U32 MaxSizeVertexCache = 32;
+const F64 FindVertexScore_Scaler = 1.0/(MaxSizeVertexCache-3);
 
-F32 find_vertex_score(LLVCacheVertexData& data)
+F64 find_vertex_score(LLVCacheVertexData& data)
 {
-	if (data.mActiveTriangles == 0)
-	{ //no triangle references this vertex
-		return -1.f;
-	}
-
-	F32 score = 0.f;
+	F64 score = -1.0;
 
-	S32 cache_idx = data.mCacheTag;
+	if (data.mActiveTriangles >= 0)
+	{ 
+		score = 0.0;
+		
+		S32 cache_idx = data.mCacheTag;
 
-	if (cache_idx < 0)
-	{
-		//not in cache
-	}
-	else
-	{
-		if (cache_idx < 3)
-		{ //vertex was in the last triangle
-			score = FindVertexScore_LastTriScore;
+		if (cache_idx < 0)
+		{
+			//not in cache
 		}
 		else
-		{ //more points for being higher in the cache
-			F32 scaler = 1.f/(MaxSizeVertexCache-3);
-			score = 1.f-((cache_idx-3)*scaler);
-			score = powf(score, FindVertexScore_CacheDecayPower);
+		{
+			if (cache_idx < 3)
+			{ //vertex was in the last triangle
+				score = FindVertexScore_LastTriScore;
+			}
+			else
+			{ //more points for being higher in the cache
+				score = 1.0-((cache_idx-3)*FindVertexScore_Scaler);
+				score = pow(score, FindVertexScore_CacheDecayPower);
+			}
 		}
-	}
 
-	//bonus points for having low valence
-	F32 valence_boost = powf((F32)data.mActiveTriangles, -FindVertexScore_ValenceBoostPower);
-	score += FindVertexScore_ValenceBoostScale * valence_boost;
+		//bonus points for having low valence
+		F64 valence_boost = pow((F64)data.mActiveTriangles, -FindVertexScore_ValenceBoostPower);
+		score += FindVertexScore_ValenceBoostScale * valence_boost;
+	}
 
 	return score;
 }
@@ -5719,32 +4950,44 @@ public:
 
 	void updateScores()
 	{
-		for (U32 i = MaxSizeVertexCache; i < MaxSizeVertexCache+3; ++i)
-		{ //trailing 3 vertices aren't actually in the cache for scoring purposes
-			if (mCache[i])
+		LLVCacheVertexData** data_iter = mCache+MaxSizeVertexCache;
+		LLVCacheVertexData** end_data = mCache+MaxSizeVertexCache+3;
+
+		while(data_iter != end_data)
+		{
+			LLVCacheVertexData* data = *data_iter++;
+			//trailing 3 vertices aren't actually in the cache for scoring purposes
+			if (data)
 			{
-				mCache[i]->mCacheTag = -1;
+				data->mCacheTag = -1;
 			}
 		}
 
-		for (U32 i = 0; i < MaxSizeVertexCache; ++i)
+		data_iter = mCache;
+		end_data = mCache+MaxSizeVertexCache;
+
+		while (data_iter != end_data)
 		{ //update scores of vertices in cache
-			if (mCache[i])
+			LLVCacheVertexData* data = *data_iter++;
+			if (data)
 			{
-				mCache[i]->mScore = find_vertex_score(*(mCache[i]));
-				llassert_always(mCache[i]->mCacheTag == i);
+				data->mScore = find_vertex_score(*data);
 			}
 		}
 
 		mBestTriangle = NULL;
 		//update triangle scores
-		for (U32 i = 0; i < MaxSizeVertexCache+3; ++i)
+		data_iter = mCache;
+		end_data = mCache+MaxSizeVertexCache+3;
+
+		while (data_iter != end_data)
 		{
-			if (mCache[i])
+			LLVCacheVertexData* data = *data_iter++;
+			if (data)
 			{
-				for (U32 j = 0; j < mCache[i]->mTriangles.size(); ++j)
+				for (std::vector<LLVCacheTriangleData*>::iterator iter = data->mTriangles.begin(), end_iter = data->mTriangles.end(); iter != end_iter; ++iter)
 				{
-					LLVCacheTriangleData* tri = mCache[i]->mTriangles[j];
+					LLVCacheTriangleData* tri = *iter;
 					if (tri->mActive)
 					{
 						tri->mScore = tri->mVertex[0]->mScore;
@@ -5761,13 +5004,17 @@ public:
 		}
 
 		//knock trailing 3 vertices off the cache
-		for (U32 i = MaxSizeVertexCache; i < MaxSizeVertexCache+3; ++i)
+		data_iter = mCache+MaxSizeVertexCache;
+		end_data = mCache+MaxSizeVertexCache+3;
+		while (data_iter != end_data)
 		{
-			if (mCache[i])
+			LLVCacheVertexData* data = *data_iter;
+			if (data)
 			{
-				llassert_always(mCache[i]->mCacheTag == -1);
-				mCache[i] = NULL;
+				llassert(data->mCacheTag == -1);
+				*data_iter = NULL;
 			}
+			++data_iter;
 		}
 	}
 };
@@ -5777,6 +5024,9 @@ void LLVolumeFace::cacheOptimize()
 { //optimize for vertex cache according to Forsyth method: 
   // http://home.comcast.net/~tom_forsyth/papers/fast_vert_cache_opt.html
 	
+	llassert(!mOptimized);
+	mOptimized = TRUE;
+
 	LLVCacheLRU cache;
 	
 	if (mNumVertices < 3)
@@ -5822,12 +5072,14 @@ void LLVolumeFace::cacheOptimize()
 
 	for (U32 i = 0; i < mNumVertices; i++)
 	{ //initialize score values (no cache -- might try a fifo cache here)
-		vertex_data[i].mScore = find_vertex_score(vertex_data[i]);
-		vertex_data[i].mActiveTriangles = vertex_data[i].mTriangles.size();
+		LLVCacheVertexData& data = vertex_data[i];
 
-		for (U32 j = 0; j < vertex_data[i].mTriangles.size(); ++j)
+		data.mScore = find_vertex_score(data);
+		data.mActiveTriangles = data.mTriangles.size();
+
+		for (U32 j = 0; j < data.mActiveTriangles; ++j)
 		{
-			vertex_data[i].mTriangles[j]->mScore += vertex_data[i].mScore;
+			data.mTriangles[j]->mScore += data.mScore;
 		}
 	}
 
@@ -5897,10 +5149,10 @@ void LLVolumeFace::cacheOptimize()
 	
 	//allocate space for new buffer
 	S32 num_verts = mNumVertices;
-	LLVector4a* pos = (LLVector4a*) ll_aligned_malloc_16(sizeof(LLVector4a)*num_verts);
-	LLVector4a* norm = (LLVector4a*) ll_aligned_malloc_16(sizeof(LLVector4a)*num_verts);
 	S32 size = ((num_verts*sizeof(LLVector2)) + 0xF) & ~0xF;
-	LLVector2* tc = (LLVector2*) ll_aligned_malloc_16(size);
+	LLVector4a* pos = (LLVector4a*) ll_aligned_malloc(sizeof(LLVector4a)*2*num_verts+size, 64);
+	LLVector4a* norm = pos + num_verts;
+	LLVector2* tc = (LLVector2*) (norm + num_verts);
 
 	LLVector4a* wght = NULL;
 	if (mWeights)
@@ -5948,9 +5200,8 @@ void LLVolumeFace::cacheOptimize()
 		mIndices[i] = new_idx[mIndices[i]];
 	}
 	
-	ll_aligned_free_16(mPositions);
-	ll_aligned_free_16(mNormals);
-	ll_aligned_free_16(mTexCoords);
+	ll_aligned_free(mPositions);
+	// DO NOT free mNormals and mTexCoords as they are part of mPositions buffer
 	ll_aligned_free_16(mWeights);
 	ll_aligned_free_16(mTangents);
 
@@ -6072,8 +5323,10 @@ void	LerpPlanarVertex(LLVolumeFace::VertexData& v0,
 
 BOOL LLVolumeFace::createUnCutCubeCap(LLVolume* volume, BOOL partial_build)
 {
-	const std::vector<LLVolume::Point>& mesh = volume->getMesh();
-	const std::vector<LLVector3>& profile = volume->getProfile().mProfile;
+	LL_CHECK_MEMORY		
+
+	const LLAlignedArray<LLVector4a,64>& mesh = volume->getMesh();
+	const LLAlignedArray<LLVector4a,64>& profile = volume->getProfile().mProfile;
 	S32 max_s = volume->getProfile().getTotal();
 	S32 max_t = volume->getPath().mPath.size();
 
@@ -6098,9 +5351,9 @@ BOOL LLVolumeFace::createUnCutCubeCap(LLVolume* volume, BOOL partial_build)
 		VertexData baseVert;
 		for(S32 t = 0; t < 4; t++)
 		{
-			corners[t].getPosition().load3( mesh[offset + (grid_size*t)].mPos.mV);
-			corners[t].mTexCoord.mV[0] = profile[grid_size*t].mV[0]+0.5f;
-			corners[t].mTexCoord.mV[1] = 0.5f - profile[grid_size*t].mV[1];
+			corners[t].getPosition().load4a(mesh[offset + (grid_size*t)].getF32ptr());
+			corners[t].mTexCoord.mV[0] = profile[grid_size*t][0]+0.5f;
+			corners[t].mTexCoord.mV[1] = 0.5f - profile[grid_size*t][1];
 		}
 
 		{
@@ -6169,6 +5422,9 @@ BOOL LLVolumeFace::createUnCutCubeCap(LLVolume* volume, BOOL partial_build)
 		mCenter->mul(0.5f); 
 	}
 
+	llassert(less_than_max_mag(mExtents[0]));
+	llassert(less_than_max_mag(mExtents[1]));
+
 	if (!partial_build)
 	{
 		resizeIndices(grid_size*grid_size*6);
@@ -6199,6 +5455,7 @@ BOOL LLVolumeFace::createUnCutCubeCap(LLVolume* volume, BOOL partial_build)
 		}
 	}
 		
+	LL_CHECK_MEMORY
 	return TRUE;
 }
 
@@ -6217,8 +5474,8 @@ BOOL LLVolumeFace::createCap(LLVolume* volume, BOOL partial_build)
 
 	S32 num_vertices = 0, num_indices = 0;
 
-	const std::vector<LLVolume::Point>& mesh = volume->getMesh();
-	const std::vector<LLVector3>& profile = volume->getProfile().mProfile;
+	const LLAlignedArray<LLVector4a,64>& mesh = volume->getMesh();
+	const LLAlignedArray<LLVector4a,64>& profile = volume->getProfile().mProfile;
 
 	// All types of caps have the same number of vertices and indices
 	num_vertices = profile.size();
@@ -6236,13 +5493,14 @@ BOOL LLVolumeFace::createCap(LLVolume* volume, BOOL partial_build)
 	else
 	{
 		resizeVertices(num_vertices);
-		
 		if (!partial_build)
 		{
 			resizeIndices(num_indices);
 		}
 	}
 
+	LL_CHECK_MEMORY;
+
 	S32 max_s = volume->getProfile().getTotal();
 	S32 max_t = volume->getPath().mPath.size();
 
@@ -6272,51 +5530,86 @@ BOOL LLVolumeFace::createCap(LLVolume* volume, BOOL partial_build)
 	LLVector4a* norm = (LLVector4a*) mNormals;
 	
 	// Copy the vertices into the array
-	for (S32 i = 0; i < num_vertices; i++)
+
+	const LLVector4a* src = mesh.mArray+offset;
+	const LLVector4a* end = src+num_vertices;
+	
+	min = *src;
+	max = min;
+	
+	
+	const LLVector4a* p = profile.mArray;
+
+	if (mTypeMask & TOP_MASK)
 	{
-		if (mTypeMask & TOP_MASK)
-		{
-			tc[i].mV[0] = profile[i].mV[0]+0.5f;
-			tc[i].mV[1] = profile[i].mV[1]+0.5f;
-		}
-		else
+		min_uv.set((*p)[0]+0.5f,
+					(*p)[1]+0.5f);
+
+		max_uv = min_uv;
+
+		while(src < end)
 		{
-			// Mirror for underside.
-			tc[i].mV[0] = profile[i].mV[0]+0.5f;
-			tc[i].mV[1] = 0.5f - profile[i].mV[1];
-		}
+			tc->mV[0] = (*p)[0]+0.5f;
+			tc->mV[1] = (*p)[1]+0.5f;
 
-		pos[i].load3(mesh[i + offset].mPos.mV);
+			llassert(less_than_max_mag(*src));
+			update_min_max(min,max,*src);
+			update_min_max(min_uv, max_uv, *tc);
 		
-		if (i == 0)
-		{
-			max = pos[i];
-			min = max;
-			min_uv = max_uv = tc[i];
+			*pos = *src;
+		
+			++p;
+			++tc;
+			++src;
+			++pos;
 		}
-		else
+	}
+	else
+	{
+
+		min_uv.set((*p)[0]+0.5f,
+				   0.5f - (*p)[1]);
+		max_uv = min_uv;
+
+		while(src < end)
 		{
-			update_min_max(min,max,pos[i]);
-			update_min_max(min_uv, max_uv, tc[i]);
+			// Mirror for underside.
+			tc->mV[0] = (*p)[0]+0.5f;
+			tc->mV[1] = 0.5f - (*p)[1];
+		
+			llassert(less_than_max_mag(*src));
+			update_min_max(min,max,*src);
+			update_min_max(min_uv, max_uv, *tc);
+		
+			*pos = *src;
+		
+			++p;
+			++tc;
+			++src;
+			++pos;
 		}
 	}
 
+	LL_CHECK_MEMORY
+
 	mCenter->setAdd(min, max);
 	mCenter->mul(0.5f); 
 
 	cuv = (min_uv + max_uv)*0.5f;
 
+
 	VertexData vd;
 	vd.setPosition(*mCenter);
 	vd.mTexCoord = cuv;
 	
 	if (!(mTypeMask & HOLLOW_MASK) && !(mTypeMask & OPEN_MASK))
 	{
-		pos[num_vertices] = *mCenter;
-		tc[num_vertices] = cuv;
-
+		*pos++ = *mCenter;
+		*tc++ = cuv;
 		num_vertices++;
 	}
+	
+	LL_CHECK_MEMORY
 		
 	if (partial_build)
 	{
@@ -6336,33 +5629,38 @@ BOOL LLVolumeFace::createCap(LLVolume* volume, BOOL partial_build)
 			{
 				// Use the profile points instead of the mesh, since you want
 				// the un-transformed profile distances.
-				LLVector3 p1 = profile[pt1];
-				LLVector3 p2 = profile[pt2];
-				LLVector3 pa = profile[pt1+1];
-				LLVector3 pb = profile[pt2-1];
+				const LLVector4a& p1 = profile[pt1];
+				const LLVector4a& p2 = profile[pt2];
+				const LLVector4a& pa = profile[pt1+1];
+				const LLVector4a& pb = profile[pt2-1];
 
-				p1.mV[VZ] = 0.f;
-				p2.mV[VZ] = 0.f;
-				pa.mV[VZ] = 0.f;
-				pb.mV[VZ] = 0.f;
+				const F32* p1V = p1.getF32ptr();
+				const F32* p2V = p2.getF32ptr();
+				const F32* paV = pa.getF32ptr();
+				const F32* pbV = pb.getF32ptr();
+
+				//p1.mV[VZ] = 0.f;
+				//p2.mV[VZ] = 0.f;
+				//pa.mV[VZ] = 0.f;
+				//pb.mV[VZ] = 0.f;
 
 				// Use area of triangle to determine backfacing
 				F32 area_1a2, area_1ba, area_21b, area_2ab;
-				area_1a2 =  (p1.mV[0]*pa.mV[1] - pa.mV[0]*p1.mV[1]) +
-							(pa.mV[0]*p2.mV[1] - p2.mV[0]*pa.mV[1]) +
-							(p2.mV[0]*p1.mV[1] - p1.mV[0]*p2.mV[1]);
+				area_1a2 =  (p1V[0]*paV[1] - paV[0]*p1V[1]) +
+							(paV[0]*p2V[1] - p2V[0]*paV[1]) +
+							(p2V[0]*p1V[1] - p1V[0]*p2V[1]);
 
-				area_1ba =  (p1.mV[0]*pb.mV[1] - pb.mV[0]*p1.mV[1]) +
-							(pb.mV[0]*pa.mV[1] - pa.mV[0]*pb.mV[1]) +
-							(pa.mV[0]*p1.mV[1] - p1.mV[0]*pa.mV[1]);
+				area_1ba =  (p1V[0]*pbV[1] - pbV[0]*p1V[1]) +
+							(pbV[0]*paV[1] - paV[0]*pbV[1]) +
+							(paV[0]*p1V[1] - p1V[0]*paV[1]);
 
-				area_21b =  (p2.mV[0]*p1.mV[1] - p1.mV[0]*p2.mV[1]) +
-							(p1.mV[0]*pb.mV[1] - pb.mV[0]*p1.mV[1]) +
-							(pb.mV[0]*p2.mV[1] - p2.mV[0]*pb.mV[1]);
+				area_21b =  (p2V[0]*p1V[1] - p1V[0]*p2V[1]) +
+							(p1V[0]*pbV[1] - pbV[0]*p1V[1]) +
+							(pbV[0]*p2V[1] - p2V[0]*pbV[1]);
 
-				area_2ab =  (p2.mV[0]*pa.mV[1] - pa.mV[0]*p2.mV[1]) +
-							(pa.mV[0]*pb.mV[1] - pb.mV[0]*pa.mV[1]) +
-							(pb.mV[0]*p2.mV[1] - p2.mV[0]*pb.mV[1]);
+				area_2ab =  (p2V[0]*paV[1] - paV[0]*p2V[1]) +
+							(paV[0]*pbV[1] - pbV[0]*paV[1]) +
+							(pbV[0]*p2V[1] - p2V[0]*pbV[1]);
 
 				BOOL use_tri1a2 = TRUE;
 				BOOL tri_1a2 = TRUE;
@@ -6397,10 +5695,13 @@ BOOL LLVolumeFace::createCap(LLVolume* volume, BOOL partial_build)
 				}
 				else
 				{
-					LLVector3 d1 = p1 - pa;
-					LLVector3 d2 = p2 - pb;
+					LLVector4a d1;
+					d1.setSub(p1, pa);
+					
+					LLVector4a d2; 
+					d2.setSub(p2, pb);
 
-					if (d1.magVecSquared() < d2.magVecSquared())
+					if (d1.dot3(d1) < d2.dot3(d2))
 					{
 						use_tri1a2 = TRUE;
 					}
@@ -6439,33 +5740,33 @@ BOOL LLVolumeFace::createCap(LLVolume* volume, BOOL partial_build)
 			{
 				// Use the profile points instead of the mesh, since you want
 				// the un-transformed profile distances.
-				LLVector3 p1 = profile[pt1];
-				LLVector3 p2 = profile[pt2];
-				LLVector3 pa = profile[pt1+1];
-				LLVector3 pb = profile[pt2-1];
-
-				p1.mV[VZ] = 0.f;
-				p2.mV[VZ] = 0.f;
-				pa.mV[VZ] = 0.f;
-				pb.mV[VZ] = 0.f;
-
+				const LLVector4a& p1 = profile[pt1];
+				const LLVector4a& p2 = profile[pt2];
+				const LLVector4a& pa = profile[pt1+1];
+				const LLVector4a& pb = profile[pt2-1];
+
+				const F32* p1V = p1.getF32ptr();
+				const F32* p2V = p2.getF32ptr();
+				const F32* paV = pa.getF32ptr();
+				const F32* pbV = pb.getF32ptr();
+				
 				// Use area of triangle to determine backfacing
 				F32 area_1a2, area_1ba, area_21b, area_2ab;
-				area_1a2 =  (p1.mV[0]*pa.mV[1] - pa.mV[0]*p1.mV[1]) +
-							(pa.mV[0]*p2.mV[1] - p2.mV[0]*pa.mV[1]) +
-							(p2.mV[0]*p1.mV[1] - p1.mV[0]*p2.mV[1]);
+				area_1a2 =  (p1V[0]*paV[1] - paV[0]*p1V[1]) +
+							(paV[0]*p2V[1] - p2V[0]*paV[1]) +
+							(p2V[0]*p1V[1] - p1V[0]*p2V[1]);
 
-				area_1ba =  (p1.mV[0]*pb.mV[1] - pb.mV[0]*p1.mV[1]) +
-							(pb.mV[0]*pa.mV[1] - pa.mV[0]*pb.mV[1]) +
-							(pa.mV[0]*p1.mV[1] - p1.mV[0]*pa.mV[1]);
+				area_1ba =  (p1V[0]*pbV[1] - pbV[0]*p1V[1]) +
+							(pbV[0]*paV[1] - paV[0]*pbV[1]) +
+							(paV[0]*p1V[1] - p1V[0]*paV[1]);
 
-				area_21b =  (p2.mV[0]*p1.mV[1] - p1.mV[0]*p2.mV[1]) +
-							(p1.mV[0]*pb.mV[1] - pb.mV[0]*p1.mV[1]) +
-							(pb.mV[0]*p2.mV[1] - p2.mV[0]*pb.mV[1]);
+				area_21b =  (p2V[0]*p1V[1] - p1V[0]*p2V[1]) +
+							(p1V[0]*pbV[1] - pbV[0]*p1V[1]) +
+							(pbV[0]*p2V[1] - p2V[0]*pbV[1]);
 
-				area_2ab =  (p2.mV[0]*pa.mV[1] - pa.mV[0]*p2.mV[1]) +
-							(pa.mV[0]*pb.mV[1] - pb.mV[0]*pa.mV[1]) +
-							(pb.mV[0]*p2.mV[1] - p2.mV[0]*pb.mV[1]);
+				area_2ab =  (p2V[0]*paV[1] - paV[0]*p2V[1]) +
+							(paV[0]*pbV[1] - pbV[0]*paV[1]) +
+							(pbV[0]*p2V[1] - p2V[0]*pbV[1]);
 
 				BOOL use_tri1a2 = TRUE;
 				BOOL tri_1a2 = TRUE;
@@ -6500,10 +5801,12 @@ BOOL LLVolumeFace::createCap(LLVolume* volume, BOOL partial_build)
 				}
 				else
 				{
-					LLVector3 d1 = p1 - pa;
-					LLVector3 d2 = p2 - pb;
+					LLVector4a d1;
+					d1.setSub(p1,pa);
+					LLVector4a d2;
+					d2.setSub(p2,pb);
 
-					if (d1.magVecSquared() < d2.magVecSquared())
+					if (d1.dot3(d1) < d2.dot3(d2))
 					{
 						use_tri1a2 = TRUE;
 					}
@@ -6554,6 +5857,8 @@ BOOL LLVolumeFace::createCap(LLVolume* volume, BOOL partial_build)
 	}
 
 	LLVector4a d0,d1;
+	LL_CHECK_MEMORY
+		
 
 	d0.setSub(mPositions[mIndices[1]], mPositions[mIndices[0]]);
 	d1.setSub(mPositions[mIndices[2]], mPositions[mIndices[0]]);
@@ -6622,24 +5927,22 @@ void LLVolumeFace::createTangents()
 
 void LLVolumeFace::resizeVertices(S32 num_verts)
 {
-	ll_aligned_free_16(mPositions);
-	ll_aligned_free_16(mNormals);
+	ll_aligned_free(mPositions);
+	//DO NOT free mNormals and mTexCoords as they are part of mPositions buffer
 	ll_aligned_free_16(mTangents);
-	ll_aligned_free_16(mTexCoords);
-
+	
 	mTangents = NULL;
 
 	if (num_verts)
 	{
-		mPositions = (LLVector4a*) ll_aligned_malloc_16(sizeof(LLVector4a)*num_verts);
-		ll_assert_aligned(mPositions, 16);
-		mNormals = (LLVector4a*) ll_aligned_malloc_16(sizeof(LLVector4a)*num_verts);
-		ll_assert_aligned(mNormals, 16);
-
 		//pad texture coordinate block end to allow for QWORD reads
 		S32 size = ((num_verts*sizeof(LLVector2)) + 0xF) & ~0xF;
-		mTexCoords = (LLVector2*) ll_aligned_malloc_16(size);
-		ll_assert_aligned(mTexCoords, 16);
+
+		mPositions = (LLVector4a*) ll_aligned_malloc(sizeof(LLVector4a)*2*num_verts+size, 64);
+		mNormals = mPositions+num_verts;
+		mTexCoords = (LLVector2*) (mNormals+num_verts);
+
+		ll_assert_aligned(mPositions, 64);
 	}
 	else
 	{
@@ -6649,6 +5952,7 @@ void LLVolumeFace::resizeVertices(S32 num_verts)
 	}
 
 	mNumVertices = num_verts;
+	mNumAllocatedVertices = num_verts;
 }
 
 void LLVolumeFace::pushVertex(const LLVolumeFace::VertexData& cv)
@@ -6659,27 +5963,42 @@ void LLVolumeFace::pushVertex(const LLVolumeFace::VertexData& cv)
 void LLVolumeFace::pushVertex(const LLVector4a& pos, const LLVector4a& norm, const LLVector2& tc)
 {
 	S32 new_verts = mNumVertices+1;
-	S32 new_size = new_verts*16;
-	S32 old_size = mNumVertices*16;
 
-	//positions
-	mPositions = (LLVector4a*) ll_aligned_realloc_16(mPositions, new_size, old_size);
-	ll_assert_aligned(mPositions,16);
+	if (new_verts > mNumAllocatedVertices)
+	{ 
+		//double buffer size on expansion
+		new_verts *= 2;
+
+		S32 new_tc_size = ((new_verts*8)+0xF) & ~0xF;
+		S32 old_tc_size = ((mNumVertices*8)+0xF) & ~0xF;
+
+		S32 old_vsize = mNumVertices*16;
+		
+		S32 new_size = new_verts*16*2+new_tc_size;
+
+		LLVector4a* old_buf = mPositions;
+
+		mPositions = (LLVector4a*) ll_aligned_malloc(new_size, 64);
+		mNormals = mPositions+new_verts;
+		mTexCoords = (LLVector2*) (mNormals+new_verts);
+
+		//positions
+		LLVector4a::memcpyNonAliased16((F32*) mPositions, (F32*) old_buf, old_vsize);
+		
+		//normals
+		LLVector4a::memcpyNonAliased16((F32*) mNormals, (F32*) (old_buf+mNumVertices), old_vsize);
 	
-	//normals
-	mNormals = (LLVector4a*) ll_aligned_realloc_16(mNormals, new_size, old_size);
-	ll_assert_aligned(mNormals,16);
-
-	//tex coords
-	new_size = ((new_verts*8)+0xF) & ~0xF;
-	old_size = ((mNumVertices*8)+0xF) & ~0xF;
-	mTexCoords = (LLVector2*) ll_aligned_realloc_16(mTexCoords, new_size, old_size);
-	ll_assert_aligned(mTexCoords,16);
+		//tex coords
+		LLVector4a::memcpyNonAliased16((F32*) mTexCoords, (F32*) (old_buf+mNumVertices*2), old_tc_size);
 	
-
 	//just clear tangents
 	ll_aligned_free_16(mTangents);
 	mTangents = NULL;
+		ll_aligned_free(old_buf);
+
+		mNumAllocatedVertices = new_verts;
+
+	}
 
 	mPositions[mNumVertices] = pos;
 	mNormals[mNumVertices] = norm;
@@ -6768,13 +6087,23 @@ void LLVolumeFace::appendFace(const LLVolumeFace& face, LLMatrix4& mat_in, LLMat
 		llerrs << "Cannot append empty face." << llendl;
 	}
 
+	U32 old_vsize = mNumVertices*16;
+	U32 new_vsize = new_count * 16;
+	U32 old_tcsize = (mNumVertices*sizeof(LLVector2)+0xF) & ~0xF;
+	U32 new_tcsize = (new_count*sizeof(LLVector2)+0xF) & ~0xF;
+	U32 new_size = new_vsize * 2 + new_tcsize;
+
 	//allocate new buffer space
-	mPositions = (LLVector4a*) ll_aligned_realloc_16(mPositions, new_count*sizeof(LLVector4a), mNumVertices*sizeof(LLVector4a));
-	ll_assert_aligned(mPositions, 16);
-	mNormals = (LLVector4a*) ll_aligned_realloc_16(mNormals, new_count*sizeof(LLVector4a), mNumVertices*sizeof(LLVector4a));
-	ll_assert_aligned(mNormals, 16);
-	mTexCoords = (LLVector2*) ll_aligned_realloc_16(mTexCoords, (new_count*sizeof(LLVector2)+0xF) & ~0xF, (mNumVertices*sizeof(LLVector2)+0xF) & ~0xF);
-	ll_assert_aligned(mTexCoords, 16);
+	LLVector4a* old_buf = mPositions;
+	mPositions = (LLVector4a*) ll_aligned_malloc(new_size, 64);
+	mNormals = mPositions + new_count;
+	mTexCoords = (LLVector2*) (mNormals+new_count);
+
+	mNumAllocatedVertices = new_count;
+
+	LLVector4a::memcpyNonAliased16((F32*) mPositions, (F32*) old_buf, old_vsize);
+	LLVector4a::memcpyNonAliased16((F32*) mNormals, (F32*) (old_buf+mNumVertices), old_vsize);
+	LLVector4a::memcpyNonAliased16((F32*) mTexCoords, (F32*) (old_buf+mNumVertices*2), old_tcsize);
 	
 	mNumVertices = new_count;
 
@@ -6834,6 +6163,7 @@ void LLVolumeFace::appendFace(const LLVolumeFace& face, LLMatrix4& mat_in, LLMat
 
 BOOL LLVolumeFace::createSide(LLVolume* volume, BOOL partial_build)
 {
+	LL_CHECK_MEMORY
 	BOOL flat = mTypeMask & FLAT_MASK;
 
 	U8 sculpt_type = volume->getParams().getSculptType();
@@ -6844,9 +6174,9 @@ BOOL LLVolumeFace::createSide(LLVolume* volume, BOOL partial_build)
 	
 	S32 num_vertices, num_indices;
 
-	const std::vector<LLVolume::Point>& mesh = volume->getMesh();
-	const std::vector<LLVector3>& profile = volume->getProfile().mProfile;
-	const std::vector<LLPath::PathPt>& path_data = volume->getPath().mPath;
+	const LLAlignedArray<LLVector4a,64>& mesh = volume->getMesh();
+	const LLAlignedArray<LLVector4a,64>& profile = volume->getProfile().mProfile;
+	const LLAlignedArray<LLPath::PathPt,64>& path_data = volume->getPath().mPath;
 
 	S32 max_s = volume->getProfile().getTotal();
 
@@ -6867,15 +6197,19 @@ BOOL LLVolumeFace::createSide(LLVolume* volume, BOOL partial_build)
 		}
 	}
 
+	LL_CHECK_MEMORY
+
 	LLVector4a* pos = (LLVector4a*) mPositions;
-	LLVector4a* norm = (LLVector4a*) mNormals;
 	LLVector2* tc = (LLVector2*) mTexCoords;
-	S32 begin_stex = llfloor( profile[mBeginS].mV[2] );
+	F32 begin_stex = floorf(profile[mBeginS][2]);
 	S32 num_s = ((mTypeMask & INNER_MASK) && (mTypeMask & FLAT_MASK) && mNumS > 2) ? mNumS/2 : mNumS;
 
 	S32 cur_vertex = 0;
+	S32 end_t = mBeginT+mNumT;
+	bool test = (mTypeMask & INNER_MASK) && (mTypeMask & FLAT_MASK) && mNumS > 2;
+
 	// Copy the vertices into the array
-	for (t = mBeginT; t < mBeginT + mNumT; t++)
+	for (t = mBeginT; t < end_t; t++)
 	{
 		tt = path_data[t].mTexT;
 		for (s = 0; s < num_s; s++)
@@ -6896,11 +6230,11 @@ BOOL LLVolumeFace::createSide(LLVolume* volume, BOOL partial_build)
 				// Get s value for tex-coord.
 				if (!flat)
 				{
-					ss = profile[mBeginS + s].mV[2];
+					ss = profile[mBeginS + s][2];
 				}
 				else
 				{
-					ss = profile[mBeginS + s].mV[2] - begin_stex;
+					ss = profile[mBeginS + s][2] - begin_stex;
 				}
 			}
 
@@ -6920,19 +6254,17 @@ BOOL LLVolumeFace::createSide(LLVolume* volume, BOOL partial_build)
 				i = mBeginS + s + max_s*t;
 			}
 
-			pos[cur_vertex].load3(mesh[i].mPos.mV);
-			tc[cur_vertex] = LLVector2(ss,tt);
+			llassert(less_than_max_mag(mesh[i]));
+			mesh[i].store4a((F32*)(pos+cur_vertex));
+			tc[cur_vertex].set(ss,tt);
 		
-			norm[cur_vertex].clear();
 			cur_vertex++;
 
-			if ((mTypeMask & INNER_MASK) && (mTypeMask & FLAT_MASK) && mNumS > 2 && s > 0)
+			if (test && s > 0)
 			{
-				pos[cur_vertex].load3(mesh[i].mPos.mV);
-				tc[cur_vertex] = LLVector2(ss,tt);
-			
-				norm[cur_vertex].clear();
-				
+				llassert(less_than_max_mag(mesh[i]));
+				mesh[i].store4a((F32*)(pos+cur_vertex));
+				tc[cur_vertex].set(ss,tt);
 				cur_vertex++;
 			}
 		}
@@ -6949,27 +6281,66 @@ BOOL LLVolumeFace::createSide(LLVolume* volume, BOOL partial_build)
 			}
 
 			i = mBeginS + s + max_s*t;
-			ss = profile[mBeginS + s].mV[2] - begin_stex;
-			pos[cur_vertex].load3(mesh[i].mPos.mV);
-			tc[cur_vertex] = LLVector2(ss,tt);
-			norm[cur_vertex].clear(); 
-			
+			ss = profile[mBeginS + s][2] - begin_stex;
+
+			llassert(less_than_max_mag(mesh[i]));
+			mesh[i].store4a((F32*)(pos+cur_vertex));
+			tc[cur_vertex].set(ss,tt);
+						
 			cur_vertex++;
 		}
 	}
 	
-	//get bounding box for this side
-	LLVector4a& face_min = mExtents[0];
-	LLVector4a& face_max = mExtents[1];
+	LL_CHECK_MEMORY
+
+	
 	mCenter->clear();
 
-	face_min = face_max = pos[0];
+	LLVector4a* cur_pos = pos;
+	LLVector4a* end_pos = pos + mNumVertices;
 
-	for (U32 i = 1; i < mNumVertices; ++i)
+	//get bounding box for this side
+	LLVector4a face_min;
+	LLVector4a face_max;
+	
+	face_min = face_max = *cur_pos++;
+		
+	while (cur_pos < end_pos)
 	{
-		update_min_max(face_min, face_max, pos[i]);
+		update_min_max(face_min, face_max, *cur_pos++);
+	}
+
+	mExtents[0] = face_min;
+	mExtents[1] = face_max;
+
+	U32 tc_count = mNumVertices;
+	if (tc_count%2 == 1)
+	{ //odd number of texture coordinates, duplicate last entry to padded end of array
+		tc_count++;
+		mTexCoords[mNumVertices] = mTexCoords[mNumVertices-1];
 	}
 
+	LLVector4a* cur_tc = (LLVector4a*) mTexCoords;
+	LLVector4a* end_tc = (LLVector4a*) (mTexCoords+tc_count);
+
+	LLVector4a tc_min; 
+	LLVector4a tc_max; 
+
+	tc_min = tc_max = *cur_tc++;
+
+	while (cur_tc < end_tc)
+	{
+		update_min_max(tc_min, tc_max, *cur_tc++);
+	}
+
+	F32* minp = tc_min.getF32ptr();
+	F32* maxp = tc_max.getF32ptr();
+
+	mTexCoordExtents[0].mV[0] = llmin(minp[0], minp[2]);
+	mTexCoordExtents[0].mV[1] = llmin(minp[1], minp[3]);
+	mTexCoordExtents[1].mV[0] = llmax(maxp[0], maxp[2]);
+	mTexCoordExtents[1].mV[1] = llmax(maxp[1], maxp[3]);
+
 	mCenter->setAdd(face_min, face_max);
 	mCenter->mul(0.5f);
 
@@ -7034,34 +6405,98 @@ BOOL LLVolumeFace::createSide(LLVolume* volume, BOOL partial_build)
 		}
 	}
 
+	LL_CHECK_MEMORY
+
 	//clear normals
-	for (U32 i = 0; i < mNumVertices; i++)
+	F32* dst = (F32*) mNormals;
+	F32* end = (F32*) (mNormals+mNumVertices);
+	LLVector4a zero = LLVector4a::getZero();
+
+	while (dst < end)
 	{
-		mNormals[i].clear();
+		zero.store4a(dst);
+		dst += 4;
 	}
 
+	LL_CHECK_MEMORY
+
 	//generate normals 
-	for (U32 i = 0; i < mNumIndices/3; i++) //for each triangle
-	{
-		const U16* idx = &(mIndices[i*3]);
-		
+	U32 count = mNumIndices/3;
 
-		LLVector4a* v[] = 
-		{	pos+idx[0], pos+idx[1], pos+idx[2] };
-		
-		LLVector4a* n[] = 
-		{	norm+idx[0], norm+idx[1], norm+idx[2] };
+	LLVector4a* norm = mNormals;
+
+	static LLAlignedArray<LLVector4a, 64> triangle_normals;
+	triangle_normals.resize(count);
+	LLVector4a* output = triangle_normals.mArray;
+	LLVector4a* end_output = output+count;
+
+	U16* idx = mIndices;
+
+	while (output < end_output)
+	{
+		LLVector4a b,v1,v2;
+		b.load4a((F32*) (pos+idx[0]));
+		v1.load4a((F32*) (pos+idx[1]));
+		v2.load4a((F32*) (pos+idx[2]));
 		
 		//calculate triangle normal
-		LLVector4a a, b, c;
+		LLVector4a a;
 		
-		a.setSub(*v[0], *v[1]);
-		b.setSub(*v[0], *v[2]);
-		c.setCross3(a,b);
+		a.setSub(b, v1);
+		b.sub(v2);
+
+
+		LLQuad& vector1 = *((LLQuad*) &v1);
+		LLQuad& vector2 = *((LLQuad*) &v2);
+
+		LLQuad& amQ = *((LLQuad*) &a);
+		LLQuad& bmQ = *((LLQuad*) &b);
 
-		n[0]->add(c);
-		n[1]->add(c);
-		n[2]->add(c);
+		//v1.setCross3(t,v0);
+		//setCross3(const LLVector4a& a, const LLVector4a& b)
+		// Vectors are stored in memory in w, z, y, x order from high to low
+		// Set vector1 = { a[W], a[X], a[Z], a[Y] }
+		vector1 = _mm_shuffle_ps( amQ, amQ, _MM_SHUFFLE( 3, 0, 2, 1 ));
+		// Set vector2 = { b[W], b[Y], b[X], b[Z] }
+		vector2 = _mm_shuffle_ps( bmQ, bmQ, _MM_SHUFFLE( 3, 1, 0, 2 ));
+		// mQ = { a[W]*b[W], a[X]*b[Y], a[Z]*b[X], a[Y]*b[Z] }
+		vector2 = _mm_mul_ps( vector1, vector2 );
+		// vector3 = { a[W], a[Y], a[X], a[Z] }
+		amQ = _mm_shuffle_ps( amQ, amQ, _MM_SHUFFLE( 3, 1, 0, 2 ));
+		// vector4 = { b[W], b[X], b[Z], b[Y] }
+		bmQ = _mm_shuffle_ps( bmQ, bmQ, _MM_SHUFFLE( 3, 0, 2, 1 ));
+		// mQ = { 0, a[X]*b[Y] - a[Y]*b[X], a[Z]*b[X] - a[X]*b[Z], a[Y]*b[Z] - a[Z]*b[Y] }
+		vector1 = _mm_sub_ps( vector2, _mm_mul_ps( amQ, bmQ ));
+
+		v1.store4a((F32*) output);
+
+		output++;
+		idx += 3;
+	}
+
+	idx = mIndices;
+
+	LLVector4a* src = triangle_normals.mArray;
+	
+	for (U32 i = 0; i < count; i++) //for each triangle
+	{
+		LLVector4a c;
+		c.load4a((F32*) (src++));
+
+		LLVector4a* n0p = norm+idx[0];
+		LLVector4a* n1p = norm+idx[1];
+		LLVector4a* n2p = norm+idx[2];
+
+		idx += 3;
+
+		LLVector4a n0,n1,n2;
+		n0.load4a((F32*) n0p);
+		n1.load4a((F32*) n1p);
+		n2.load4a((F32*) n2p);
+
+		n0.add(c);
+		n1.add(c);
+		n2.add(c);
 		
 		llassert(llfinite(c.getF32ptr()[0]));
 		llassert(llfinite(c.getF32ptr()[1]));
@@ -7072,9 +6507,20 @@ BOOL LLVolumeFace::createSide(LLVolume* volume, BOOL partial_build)
 		llassert(!llisnan(c.getF32ptr()[2]));
 
 		//even out quad contributions
-		n[i%2+1]->add(c);
+		switch (i%2+1)
+		{
+			case 0: n0.add(c); break;
+			case 1: n1.add(c); break;
+			case 2: n2.add(c); break;
+		};
+
+		n0.store4a((F32*) n0p);
+		n1.store4a((F32*) n1p);
+		n2.store4a((F32*) n2p);
 	}
 	
+	LL_CHECK_MEMORY
+
 	// adjust normals based on wrapping and stitching
 	
 	LLVector4a top;
@@ -7206,6 +6652,8 @@ BOOL LLVolumeFace::createSide(LLVolume* volume, BOOL partial_build)
 
 	}
 
+	LL_CHECK_MEMORY
+
 	return TRUE;
 }
 
@@ -7302,7 +6750,7 @@ void CalculateTangentArray(U32 vertexCount, const LLVector4a *vertex, const LLVe
 			tangent[a].set(0,0,1,1);
 		}
     }
-    
+
 	ll_aligned_free_16(tan1);
 }
 
diff --git a/indra/llmath/llvolume.h b/indra/llmath/llvolume.h
index 164b8d6652..975227ea58 100755
--- a/indra/llmath/llvolume.h
+++ b/indra/llmath/llvolume.h
@@ -37,7 +37,6 @@ class LLPath;
 
 template <class T> class LLOctreeNode;
 
-class LLVector4a;
 class LLVolumeFace;
 class LLVolume;
 class LLVolumeTriangle;
@@ -50,12 +49,15 @@ class LLVolumeTriangle;
 #include "v3math.h"
 #include "v3dmath.h"
 #include "v4math.h"
+#include "llvector4a.h"
+#include "llmatrix4a.h"
 #include "llquaternion.h"
 #include "llstrider.h"
 #include "v4coloru.h"
 #include "llrefcount.h"
 #include "llpointer.h"
 #include "llfile.h"
+#include "llalignedarray.h"
 
 //============================================================================
 
@@ -708,16 +710,16 @@ public:
 		LLFaceID  mFaceID;
 	};
 	
-	std::vector<LLVector3> mProfile;	
-	std::vector<LLVector2> mNormals;
+	LLAlignedArray<LLVector4a, 64> mProfile;	
+	//LLAlignedArray<LLVector4a, 64> mNormals;
 	std::vector<Face>      mFaces;
-	std::vector<LLVector3> mEdgeNormals;
-	std::vector<LLVector3> mEdgeCenters;
+
+	//LLAlignedArray<LLVector4a, 64> mEdgeNormals;
+	//LLAlignedArray<LLVector4a, 64> mEdgeCenters;
 
 	friend std::ostream& operator<<(std::ostream &s, const LLProfile &profile);
 
 protected:
-	void genNormals(const LLProfileParams& params);
 	static S32 getNumNGonPoints(const LLProfileParams& params, S32 sides, F32 offset=0.0f, F32 bevel = 0.0f, F32 ang_scale = 1.f, S32 split = 0);
 	void genNGon(const LLProfileParams& params, S32 sides, F32 offset=0.0f, F32 bevel = 0.0f, F32 ang_scale = 1.f, S32 split = 0);
 
@@ -741,13 +743,29 @@ protected:
 class LLPath
 {
 public:
-	struct PathPt
+	class PathPt
 	{
-		LLVector3	 mPos;
-		LLVector2    mScale;
-		LLQuaternion mRot;
+	public:
+		LLMatrix4a   mRot;
+		LLVector4a	 mPos;
+		
+		LLVector4a   mScale;
 		F32			 mTexT;
-		PathPt() { mPos.setVec(0,0,0); mTexT = 0; mScale.setVec(0,0); mRot.loadIdentity(); }
+		F32 pad[3]; //for alignment
+		PathPt() 
+		{ 
+			mPos.clear(); 
+			mTexT = 0; 
+			mScale.clear(); 
+			mRot.setRows(LLVector4a(1,0,0,0),
+						LLVector4a(0,1,0,0),
+						LLVector4a(0,0,1,0));
+
+			//distinguished data in the pad for debugging
+			pad[0] = 3.14159f;
+			pad[1] = -3.14159f;
+			pad[2] = 0.585f;
+		}
 	};
 
 public:
@@ -779,7 +797,7 @@ public:
 	friend std::ostream& operator<<(std::ostream &s, const LLPath &path);
 
 public:
-	std::vector<PathPt> mPath;
+	LLAlignedArray<PathPt, 64> mPath;
 
 protected:
 	BOOL		  mOpen;
@@ -912,6 +930,7 @@ public:
 	LLVector2   mTexCoordExtents[2]; //minimum and maximum of texture coordinates of the face.
 
 	S32 mNumVertices;
+	S32 mNumAllocatedVertices;
 	S32 mNumIndices;
 
 	LLVector4a* mPositions;
@@ -933,6 +952,9 @@ public:
 
 	LLOctreeNode<LLVolumeTriangle>* mOctree;
 
+	//whether or not face has been cache optimized
+	BOOL mOptimized;
+
 private:
 	BOOL createUnCutCubeCap(LLVolume* volume, BOOL partial_build = FALSE);
 	BOOL createCap(LLVolume* volume, BOOL partial_build = FALSE);
@@ -947,11 +969,7 @@ protected:
 	~LLVolume(); // use unref
 
 public:
-	struct Point
-	{
-		LLVector3 mPos;
-	};
-
+		
 	struct FaceParams
 	{
 		LLFaceID mFaceID;
@@ -974,8 +992,8 @@ public:
 	const LLProfile& getProfile() const						{ return *mProfilep; }
 	LLPath& getPath() const									{ return *mPathp; }
 	void resizePath(S32 length);
-	const std::vector<Point>& getMesh() const				{ return mMesh; }
-	const LLVector3& getMeshPt(const U32 i) const			{ return mMesh[i].mPos; }
+	const LLAlignedArray<LLVector4a,64>&	getMesh() const				{ return mMesh; }
+	const LLVector4a& getMeshPt(const U32 i) const			{ return mMesh[i]; }
 
 	void setDirty() { mPathp->setDirty(); mProfilep->setDirty(); }
 
@@ -990,10 +1008,7 @@ public:
 	S32 getSculptLevel() const                              { return mSculptLevel; }
 	void setSculptLevel(S32 level)							{ mSculptLevel = level; }
 
-	S32 *getTriangleIndices(U32 &num_indices) const;
-
-	// returns number of triangle indeces required for path/profile mesh
-	S32 getNumTriangleIndices() const;
+	
 	static void getLoDTriangleCounts(const LLVolumeParams& params, S32* counts);
 
 	S32 getNumTriangles(S32* vcount = NULL) const;
@@ -1059,7 +1074,8 @@ public:
 	LLVolumeParams mParams;
 	LLPath *mPathp;
 	LLProfile *mProfilep;
-	std::vector<Point> mMesh;
+	LLAlignedArray<LLVector4a,64> mMesh;
+	
 	
 	BOOL mGenerateSingleFace;
 	typedef std::vector<LLVolumeFace> face_list_t;
diff --git a/indra/llmessage/llcurl.cpp b/indra/llmessage/llcurl.cpp
index f2a3e059ef..081f070866 100755
--- a/indra/llmessage/llcurl.cpp
+++ b/indra/llmessage/llcurl.cpp
@@ -92,6 +92,7 @@ S32      LLCurl::sTotalHandles = 0 ;
 bool     LLCurl::sNotQuitting = true;
 F32      LLCurl::sCurlRequestTimeOut = 120.f; //seonds
 S32      LLCurl::sMaxHandles = 256; //max number of handles, (multi handles and easy handles combined).
+CURL*	 LLCurl::sCurlTemplateStandardHandle = NULL;
 
 void check_curl_code(CURLcode code)
 {
@@ -1815,10 +1816,10 @@ CURL*  LLCurl::newEasyHandle()
 	}
 	sTotalHandles++;
 
-	CURL* ret = curl_easy_init() ;
+	CURL* ret = createStandardCurlHandle();
 	if(!ret)
 	{
-		llwarns << "curl_easy_init failed." << llendl ;
+		llwarns << "failed to create curl handle." << llendl ;
 	}
 
 	return ret ;
@@ -1848,3 +1849,47 @@ void LLCurlFF::check_multi_code(CURLMcode code)
 {
 	check_curl_multi_code(code);
 }
+
+
+// Static
+CURL* LLCurl::createStandardCurlHandle()
+{
+	if (sCurlTemplateStandardHandle == NULL)
+	{	// Late creation of the template curl handle
+		sCurlTemplateStandardHandle = curl_easy_init();
+		if (sCurlTemplateStandardHandle == NULL)
+		{
+			llwarns << "curl error calling curl_easy_init()" << llendl;
+		}
+		else
+		{
+			CURLcode result = curl_easy_setopt(sCurlTemplateStandardHandle, CURLOPT_IPRESOLVE, CURL_IPRESOLVE_V4);
+			check_curl_code(result);
+			result = curl_easy_setopt(sCurlTemplateStandardHandle, CURLOPT_NOSIGNAL, 1);
+			check_curl_code(result);
+			result = curl_easy_setopt(sCurlTemplateStandardHandle, CURLOPT_NOPROGRESS, 1);
+			check_curl_code(result);
+			result = curl_easy_setopt(sCurlTemplateStandardHandle, CURLOPT_ENCODING, "");	
+			check_curl_code(result);
+			result = curl_easy_setopt(sCurlTemplateStandardHandle, CURLOPT_AUTOREFERER, 1);
+			check_curl_code(result);
+			result = curl_easy_setopt(sCurlTemplateStandardHandle, CURLOPT_FOLLOWLOCATION, 1);	
+			check_curl_code(result);
+			result = curl_easy_setopt(sCurlTemplateStandardHandle, CURLOPT_SSL_VERIFYPEER, 1);
+			check_curl_code(result);
+			result = curl_easy_setopt(sCurlTemplateStandardHandle, CURLOPT_SSL_VERIFYHOST, 0);
+			check_curl_code(result);
+
+			// The Linksys WRT54G V5 router has an issue with frequent
+			// DNS lookups from LAN machines.  If they happen too often,
+			// like for every HTTP request, the router gets annoyed after
+			// about 700 or so requests and starts issuing TCP RSTs to
+			// new connections.  Reuse the DNS lookups for even a few
+			// seconds and no RSTs.
+			result = curl_easy_setopt(sCurlTemplateStandardHandle, CURLOPT_DNS_CACHE_TIMEOUT, 15);
+			check_curl_code(result);
+		}
+	}
+
+	return curl_easy_duphandle(sCurlTemplateStandardHandle);
+}
diff --git a/indra/llmessage/llcurl.h b/indra/llmessage/llcurl.h
index 7bcf61e233..90b3f2815d 100755
--- a/indra/llmessage/llcurl.h
+++ b/indra/llmessage/llcurl.h
@@ -45,7 +45,7 @@
 #include "llqueuedthread.h"
 #include "llframetimer.h"
 #include "llpointer.h"
-
+#include "llsingleton.h"
 
 class LLMutex;
 class LLCurlThread;
@@ -188,6 +188,8 @@ public:
 	static CURL*  newEasyHandle() ;
 	static void   deleteEasyHandle(CURL* handle) ;
 
+	static CURL*	createStandardCurlHandle();
+
 private:
 	static std::string sCAPath;
 	static std::string sCAFile;
@@ -197,6 +199,7 @@ private:
 	static LLMutex* sHandleMutexp ;
 	static S32      sTotalHandles ;
 	static S32      sMaxHandles;
+	static CURL*	sCurlTemplateStandardHandle;
 public:
 	static bool     sNotQuitting;
 	static F32      sCurlRequestTimeOut;	
diff --git a/indra/llmessage/llpartdata.cpp b/indra/llmessage/llpartdata.cpp
index 26cafa025f..41a0310ce0 100755
--- a/indra/llmessage/llpartdata.cpp
+++ b/indra/llmessage/llpartdata.cpp
@@ -37,53 +37,46 @@
 
 
 
-const S32 PS_PART_DATA_BLOCK_SIZE = 4 + 2 + 4 + 4 + 2 + 2; // 18
-const S32 PS_DATA_BLOCK_SIZE = 68 + PS_PART_DATA_BLOCK_SIZE; // 68 + 18 = 86
+const S32 PS_PART_DATA_GLOW_SIZE = 2;
+const S32 PS_PART_DATA_BLEND_SIZE = 2;
+const S32 PS_LEGACY_PART_DATA_BLOCK_SIZE = 4 + 2 + 4 + 4 + 2 + 2; //18
+const S32 PS_SYS_DATA_BLOCK_SIZE = 68;
+const S32 PS_MAX_DATA_BLOCK_SIZE = PS_SYS_DATA_BLOCK_SIZE+
+									PS_LEGACY_PART_DATA_BLOCK_SIZE +
+									PS_PART_DATA_BLEND_SIZE +
+									PS_PART_DATA_GLOW_SIZE+
+									8; //two S32 size fields
+
+const S32 PS_LEGACY_DATA_BLOCK_SIZE = PS_SYS_DATA_BLOCK_SIZE + PS_LEGACY_PART_DATA_BLOCK_SIZE;
+
+
+const U32 PART_DATA_MASK = LLPartData::LL_PART_DATA_GLOW | LLPartData::LL_PART_DATA_BLEND;
+
 
 
 const F32 MAX_PART_SCALE = 4.f;
 
-BOOL LLPartData::pack(LLDataPacker &dp)
+bool LLPartData::hasGlow() const
 {
-	LLColor4U coloru;
-	dp.packU32(mFlags, "pdflags");
-	dp.packFixed(mMaxAge, "pdmaxage", FALSE, 8, 8);
-	coloru.setVec(mStartColor);
-	dp.packColor4U(coloru, "pdstartcolor");
-	coloru.setVec(mEndColor);
-	dp.packColor4U(coloru, "pdendcolor");
-	dp.packFixed(mStartScale.mV[0], "pdstartscalex", FALSE, 3, 5);
-	dp.packFixed(mStartScale.mV[1], "pdstartscaley", FALSE, 3, 5);
-	dp.packFixed(mEndScale.mV[0], "pdendscalex", FALSE, 3, 5);
-	dp.packFixed(mEndScale.mV[1], "pdendscaley", FALSE, 3, 5);
-	return TRUE;
+	return mStartGlow > 0.f || mEndGlow > 0.f;
 }
 
-LLSD LLPartData::asLLSD() const
+bool LLPartData::hasBlendFunc() const
 {
-	LLSD sd = LLSD();
-	sd["pdflags"] = ll_sd_from_U32(mFlags);
-	sd["pdmaxage"] = mMaxAge;
-	sd["pdstartcolor"] = ll_sd_from_color4(mStartColor);
-	sd["pdendcolor"] = ll_sd_from_color4(mEndColor);
-	sd["pdstartscale"] = ll_sd_from_vector2(mStartScale);
-	sd["pdendscale"] = ll_sd_from_vector2(mEndScale);
-	return sd;
+	return mBlendFuncSource != LLPartData::LL_PART_BF_SOURCE_ALPHA || mBlendFuncDest != LLPartData::LL_PART_BF_ONE_MINUS_SOURCE_ALPHA;
 }
 
-bool LLPartData::fromLLSD(LLSD& sd)
+S32 LLPartData::getSize() const
 {
-	mFlags = ll_U32_from_sd(sd["pdflags"]);
-	mMaxAge = (F32)sd["pdmaxage"].asReal();
-	mStartColor = ll_color4_from_sd(sd["pdstartcolor"]);
-	mEndColor = ll_color4_from_sd(sd["pdendcolor"]);
-	mStartScale = ll_vector2_from_sd(sd["pdstartscale"]);
-	mEndScale = ll_vector2_from_sd(sd["pdendscale"]);
-	return true;
+	S32 size = PS_LEGACY_PART_DATA_BLOCK_SIZE;
+	if (hasGlow()) size += PS_PART_DATA_GLOW_SIZE;
+	if (hasBlendFunc()) size += PS_PART_DATA_BLEND_SIZE;
+
+	return size;
 }
 
 
-BOOL LLPartData::unpack(LLDataPacker &dp)
+BOOL LLPartData::unpackLegacy(LLDataPacker &dp)
 {
 	LLColor4U coloru;
 
@@ -98,9 +91,70 @@ BOOL LLPartData::unpack(LLDataPacker &dp)
 	dp.unpackFixed(mStartScale.mV[1], "pdstartscaley", FALSE, 3, 5);
 	dp.unpackFixed(mEndScale.mV[0], "pdendscalex", FALSE, 3, 5);
 	dp.unpackFixed(mEndScale.mV[1], "pdendscaley", FALSE, 3, 5);
+
+	mStartGlow = 0.f;
+	mEndGlow = 0.f;
+	mBlendFuncSource = LLPartData::LL_PART_BF_SOURCE_ALPHA;
+	mBlendFuncDest = LLPartData::LL_PART_BF_ONE_MINUS_SOURCE_ALPHA;
+
 	return TRUE;
 }
 
+BOOL LLPartData::unpack(LLDataPacker &dp)
+{
+	S32 size = 0;
+	dp.unpackS32(size, "partsize");
+
+	unpackLegacy(dp);
+	size -= PS_LEGACY_PART_DATA_BLOCK_SIZE;
+
+	if (mFlags & LL_PART_DATA_GLOW)
+	{
+		if (size < PS_PART_DATA_GLOW_SIZE) return FALSE;
+
+		U8 tmp_glow = 0;
+		dp.unpackU8(tmp_glow,"pdstartglow");
+		mStartGlow = tmp_glow / 255.f;
+		dp.unpackU8(tmp_glow,"pdendglow");
+		mEndGlow = tmp_glow / 255.f;
+
+		size -= PS_PART_DATA_GLOW_SIZE;
+	}
+	else
+	{
+		mStartGlow = 0.f;
+		mEndGlow = 0.f;
+	}
+
+	if (mFlags & LL_PART_DATA_BLEND)
+	{
+		if (size < PS_PART_DATA_BLEND_SIZE) return FALSE;
+		dp.unpackU8(mBlendFuncSource,"pdblendsource");
+		dp.unpackU8(mBlendFuncDest,"pdblenddest");
+		size -= PS_PART_DATA_BLEND_SIZE;
+	}
+	else
+	{
+		mBlendFuncSource = LLPartData::LL_PART_BF_SOURCE_ALPHA;
+		mBlendFuncDest = LLPartData::LL_PART_BF_ONE_MINUS_SOURCE_ALPHA;
+	}
+
+	if (size > 0)
+	{ //leftover bytes, unrecognized parameters
+		U8 feh = 0;
+		while (size > 0)
+		{ //read remaining bytes in block
+			dp.unpackU8(feh, "whippang");
+			size--;
+		}
+
+		//this particle system won't display properly, better to not show anything
+		return FALSE;
+	}
+
+
+	return TRUE;
+}
 
 void LLPartData::setFlags(const U32 flags)
 {
@@ -148,6 +202,18 @@ void LLPartData::setEndAlpha(const F32 alpha)
 	mEndColor.mV[3] = alpha;
 }
 
+// static
+bool LLPartData::validBlendFunc(S32 func)
+{
+	if (func >= 0
+		&& func < LL_PART_BF_COUNT
+		&& func != UNSUPPORTED_DEST_ALPHA
+		&& func != UNSUPPORTED_ONE_MINUS_DEST_ALPHA)
+	{
+		return true;
+	}
+	return false;
+}
 
 LLPartSysData::LLPartSysData()
 {
@@ -160,6 +226,10 @@ LLPartSysData::LLPartSysData()
 	mPartData.mStartScale = LLVector2(1.f, 1.f);
 	mPartData.mEndScale = LLVector2(1.f, 1.f);
 	mPartData.mMaxAge = 10.0;
+	mPartData.mBlendFuncSource = LLPartData::LL_PART_BF_SOURCE_ALPHA;
+	mPartData.mBlendFuncDest = LLPartData::LL_PART_BF_ONE_MINUS_SOURCE_ALPHA;
+	mPartData.mStartGlow = 0.f;
+	mPartData.mEndGlow = 0.f;
 
 	mMaxAge = 0.0;
 	mStartAge = 0.0;
@@ -175,38 +245,7 @@ LLPartSysData::LLPartSysData()
 	mNumParticles = 0;
 }
 
-
-BOOL LLPartSysData::pack(LLDataPacker &dp)
-{
-	dp.packU32(mCRC, "pscrc");
-	dp.packU32(mFlags, "psflags");
-	dp.packU8(mPattern, "pspattern");
-	dp.packFixed(mMaxAge, "psmaxage", FALSE, 8, 8);
-	dp.packFixed(mStartAge, "psstartage", FALSE, 8, 8);
-	dp.packFixed(mInnerAngle, "psinnerangle", FALSE, 3, 5);
-	dp.packFixed(mOuterAngle, "psouterangle", FALSE, 3, 5);
-	dp.packFixed(mBurstRate, "psburstrate", FALSE, 8, 8);
-	dp.packFixed(mBurstRadius, "psburstradius", FALSE, 8, 8);
-	dp.packFixed(mBurstSpeedMin, "psburstspeedmin", FALSE, 8, 8);
-	dp.packFixed(mBurstSpeedMax, "psburstspeedmax", FALSE, 8, 8);
-	dp.packU8(mBurstPartCount, "psburstpartcount");
-
-	dp.packFixed(mAngularVelocity.mV[0], "psangvelx", TRUE, 8, 7);
-	dp.packFixed(mAngularVelocity.mV[1], "psangvely", TRUE, 8, 7);
-	dp.packFixed(mAngularVelocity.mV[2], "psangvelz", TRUE, 8, 7);
-
-	dp.packFixed(mPartAccel.mV[0], "psaccelx", TRUE, 8, 7);
-	dp.packFixed(mPartAccel.mV[1], "psaccely", TRUE, 8, 7);
-	dp.packFixed(mPartAccel.mV[2], "psaccelz", TRUE, 8, 7);
-
-	dp.packUUID(mPartImageID, "psuuid");
-	dp.packUUID(mTargetUUID, "pstargetuuid");
-	mPartData.pack(dp);
-	return TRUE;
-}
-
-
-BOOL LLPartSysData::unpack(LLDataPacker &dp)
+BOOL LLPartSysData::unpackSystem(LLDataPacker &dp)
 {
 	dp.unpackU32(mCRC, "pscrc");
 	dp.unpackU32(mFlags, "psflags");
@@ -232,10 +271,48 @@ BOOL LLPartSysData::unpack(LLDataPacker &dp)
 
 	dp.unpackUUID(mPartImageID, "psuuid");
 	dp.unpackUUID(mTargetUUID, "pstargetuuid");
-	mPartData.unpack(dp);
 	return TRUE;
 }
 
+BOOL LLPartSysData::unpackLegacy(LLDataPacker &dp)
+{
+	unpackSystem(dp);
+	mPartData.unpackLegacy(dp);
+
+	return TRUE;
+}
+
+BOOL LLPartSysData::unpack(LLDataPacker &dp)
+{
+	// syssize is currently unused.  Adding now when modifying the 'version to make extensible in the future
+	S32 size = 0;
+	dp.unpackS32(size, "syssize");
+	
+	if (size != PS_SYS_DATA_BLOCK_SIZE)
+	{ //unexpected size, this viewer doesn't know how to parse this particle system
+		
+		//skip to LLPartData block
+		U8 feh = 0;
+		
+		for (U32 i = 0; i < size; ++i)
+		{
+			dp.unpackU8(feh, "whippang");
+		}
+				
+		dp.unpackS32(size, "partsize");
+		//skip LLPartData block
+		for (U32 i = 0; i < size; ++i)
+		{
+			dp.unpackU8(feh, "whippang");
+		}
+		return FALSE;
+	}
+
+	unpackSystem(dp);
+	
+	return mPartData.unpack(dp);
+}
+
 std::ostream& operator<<(std::ostream& s, const LLPartSysData &data)
 {
 	s << "Flags: " << std::hex << data.mFlags;
@@ -253,7 +330,7 @@ std::ostream& operator<<(std::ostream& s, const LLPartSysData &data)
 
 BOOL LLPartSysData::isNullPS(const S32 block_num)
 {
-	U8 ps_data_block[PS_DATA_BLOCK_SIZE];
+	U8 ps_data_block[PS_MAX_DATA_BLOCK_SIZE];
 	U32 crc;
 
 	S32 size;
@@ -264,14 +341,28 @@ BOOL LLPartSysData::isNullPS(const S32 block_num)
 	{
 		return TRUE;
 	}
-	else if (size != PS_DATA_BLOCK_SIZE)
+	
+	if (size > PS_MAX_DATA_BLOCK_SIZE)
 	{
-		llwarns << "PSBlock is wrong size for particle system data - got " << size << ", expecting " << PS_DATA_BLOCK_SIZE << llendl;
+		//size is too big, newer particle version unsupported
 		return TRUE;
 	}
-	gMessageSystem->getBinaryData("ObjectData", "PSBlock", ps_data_block, PS_DATA_BLOCK_SIZE, block_num, PS_DATA_BLOCK_SIZE);
 
-	LLDataPackerBinaryBuffer dp(ps_data_block, PS_DATA_BLOCK_SIZE);
+	gMessageSystem->getBinaryData("ObjectData", "PSBlock", ps_data_block, size, block_num, PS_MAX_DATA_BLOCK_SIZE);
+
+	LLDataPackerBinaryBuffer dp(ps_data_block, size);
+	if (size > PS_LEGACY_DATA_BLOCK_SIZE)
+	{
+		// non legacy systems pack a size before the CRC
+		S32 tmp = 0;
+		dp.unpackS32(tmp, "syssize");
+
+		if (tmp > PS_SYS_DATA_BLOCK_SIZE)
+		{ //unknown system data block size, don't know how to parse it, treat as NULL
+			return TRUE;
+		}
+	}
+
 	dp.unpackU32(crc, "crc");
 
 	if (crc == 0)
@@ -281,50 +372,37 @@ BOOL LLPartSysData::isNullPS(const S32 block_num)
 	return FALSE;
 }
 
-
-//static
-BOOL LLPartSysData::packNull()
-{
-	U8 ps_data_block[PS_DATA_BLOCK_SIZE];
-	gMessageSystem->addBinaryData("PSBlock", ps_data_block, 0);
-	return TRUE;
-}
-
-
-BOOL LLPartSysData::packBlock()
-{
-	U8 ps_data_block[PS_DATA_BLOCK_SIZE];
-
-	LLDataPackerBinaryBuffer dp(ps_data_block, PS_DATA_BLOCK_SIZE);
-	pack(dp);
-
-	// Add to message
-	gMessageSystem->addBinaryData("PSBlock", ps_data_block, PS_DATA_BLOCK_SIZE);
-
-	return TRUE;
-}                                         
-
-
 BOOL LLPartSysData::unpackBlock(const S32 block_num)
 {
-	U8 ps_data_block[PS_DATA_BLOCK_SIZE];
+	U8 ps_data_block[PS_MAX_DATA_BLOCK_SIZE];
 
 	// Check size of block
 	S32 size = gMessageSystem->getSize("ObjectData", block_num, "PSBlock");
 
-	if (size != PS_DATA_BLOCK_SIZE)
+	if (size > PS_MAX_DATA_BLOCK_SIZE)
 	{
-		llwarns << "PSBlock is wrong size for particle system data - got " << size << ", expecting " << PS_DATA_BLOCK_SIZE << llendl;
+		// Larger packets are newer and unsupported
 		return FALSE;
 	}
 
 	// Get from message
-	gMessageSystem->getBinaryData("ObjectData", "PSBlock", ps_data_block, PS_DATA_BLOCK_SIZE, block_num, PS_DATA_BLOCK_SIZE);
+	gMessageSystem->getBinaryData("ObjectData", "PSBlock", ps_data_block, size, block_num, PS_MAX_DATA_BLOCK_SIZE);
 
-	LLDataPackerBinaryBuffer dp(ps_data_block, PS_DATA_BLOCK_SIZE);
-	unpack(dp);
+	LLDataPackerBinaryBuffer dp(ps_data_block, size);
 
-	return TRUE;
+	if (size == PS_LEGACY_DATA_BLOCK_SIZE)
+	{
+		return unpackLegacy(dp);
+	}
+	else
+	{
+		return unpack(dp);
+	}
+}
+
+bool LLPartSysData::isLegacyCompatible() const
+{
+	return !mPartData.hasGlow() && !mPartData.hasBlendFunc();
 }
 
 void LLPartSysData::clampSourceParticleRate()
diff --git a/indra/llmessage/llpartdata.h b/indra/llmessage/llpartdata.h
index a4ef058b30..ed5c1a6ac7 100755
--- a/indra/llmessage/llpartdata.h
+++ b/indra/llmessage/llpartdata.h
@@ -70,7 +70,12 @@ enum LLPSScriptFlags
 	LLPS_SRC_TARGET_UUID,
 	LLPS_SRC_OMEGA,
 	LLPS_SRC_ANGLE_BEGIN,
-	LLPS_SRC_ANGLE_END
+	LLPS_SRC_ANGLE_END,
+
+	LLPS_PART_BLEND_FUNC_SOURCE,
+	LLPS_PART_BLEND_FUNC_DEST,
+	LLPS_PART_START_GLOW,
+	LLPS_PART_END_GLOW
 };
 
 
@@ -83,11 +88,13 @@ public:
 		mParameter(0.f)
 	{
 	}
+	BOOL unpackLegacy(LLDataPacker &dp);
 	BOOL unpack(LLDataPacker &dp);
+
 	BOOL pack(LLDataPacker &dp);
-	LLSD asLLSD() const;
-	operator LLSD() const {return asLLSD(); }
-	bool fromLLSD(LLSD& sd);
+	
+	bool hasGlow() const;
+	bool hasBlendFunc() const;
 
 	// Masks for the different particle flags
 	enum
@@ -102,17 +109,39 @@ public:
 		LL_PART_TARGET_LINEAR_MASK =	0x80,		// Particle uses a direct linear interpolation
 		LL_PART_EMISSIVE_MASK =			0x100,		// Particle is "emissive", instead of being lit
 		LL_PART_BEAM_MASK =				0x200,		// Particle is a "beam" connecting source and target
+		LL_PART_RIBBON_MASK =			0x400,		// Particles are joined together into one continuous triangle strip
 
 		// Not implemented yet!
 		//LL_PART_RANDOM_ACCEL_MASK =		0x100,		// Particles have random acceleration
 		//LL_PART_RANDOM_VEL_MASK =		0x200,		// Particles have random velocity shifts"
 		//LL_PART_TRAIL_MASK =			0x400,		// Particles have historical "trails"
 
+		//sYSTEM SET FLAGS
+		LL_PART_DATA_GLOW =				0x10000,
+		LL_PART_DATA_BLEND =			0x20000,
+
 		// Viewer side use only!
 		LL_PART_HUD =					0x40000000,
 		LL_PART_DEAD_MASK =				0x80000000,
 	};
 
+	enum
+	{
+		LL_PART_BF_ONE = 0,
+		LL_PART_BF_ZERO = 1,
+		LL_PART_BF_DEST_COLOR = 2,
+		LL_PART_BF_SOURCE_COLOR = 3,
+		LL_PART_BF_ONE_MINUS_DEST_COLOR = 4,
+		LL_PART_BF_ONE_MINUS_SOURCE_COLOR = 5,
+		UNSUPPORTED_DEST_ALPHA = 6,
+		LL_PART_BF_SOURCE_ALPHA = 7,
+		UNSUPPORTED_ONE_MINUS_DEST_ALPHA = 8,
+		LL_PART_BF_ONE_MINUS_SOURCE_ALPHA = 9,
+		LL_PART_BF_COUNT = 10
+	};
+
+	static bool validBlendFunc(S32 func);
+
 	void setFlags(const U32 flags);
 	void setMaxAge(const F32 max_age);
 	void setStartScale(const F32 xs, F32 ys);
@@ -126,6 +155,9 @@ public:
 	friend class LLPartSysData;
 	friend class LLViewerPartSourceScript;
 
+private:
+	S32 getSize() const;
+
 	// These are public because I'm really lazy...
 public:
 	U32					mFlags;						// Particle state/interpolators in effect
@@ -137,6 +169,12 @@ public:
 
 	LLVector3			mPosOffset;					// Offset from source if using FOLLOW_SOURCE
 	F32					mParameter;					// A single floating point parameter
+
+	F32					mStartGlow;
+	F32					mEndGlow;
+	
+	U8					mBlendFuncSource;
+	U8					mBlendFuncDest;
 };
 
 
@@ -146,15 +184,13 @@ public:
 	LLPartSysData();
 
 	BOOL unpack(LLDataPacker &dp);
-	BOOL pack(LLDataPacker &dp);
-
-	
+	BOOL unpackLegacy(LLDataPacker &dp);
 	BOOL unpackBlock(const S32 block_num);
-	BOOL packBlock();
-
-	static BOOL packNull();
+		
 	static BOOL isNullPS(const S32 block_num); // Returns FALSE if this is a "NULL" particle system (i.e. no system)
 
+	bool isLegacyCompatible() const;
+
 	// Different masks for effects on the source
 	enum
 	{
@@ -187,7 +223,12 @@ public:
 	void clampSourceParticleRate();
 	
 	friend std::ostream&	 operator<<(std::ostream& s, const LLPartSysData &data);		// Stream a
+
+	S32 getdataBlockSize() const;
 	
+private:
+	BOOL unpackSystem(LLDataPacker &dp);
+
 public:
 	// Public because I'm lazy....
 
diff --git a/indra/llmessage/lltransfermanager.cpp b/indra/llmessage/lltransfermanager.cpp
index 034680caf8..38b743fb75 100755
--- a/indra/llmessage/lltransfermanager.cpp
+++ b/indra/llmessage/lltransfermanager.cpp
@@ -606,16 +606,21 @@ void LLTransferManager::processTransferAbort(LLMessageSystem *msgp, void **)
 void LLTransferManager::reliablePacketCallback(void **user_data, S32 result)
 {
 	LLUUID *transfer_idp = (LLUUID *)user_data;
-	if (result)
+	if (result &&
+		transfer_idp != NULL)
 	{
-		llwarns << "Aborting reliable transfer " << *transfer_idp << " due to failed reliable resends!" << llendl;
 		LLTransferSource *tsp = gTransferManager.findTransferSource(*transfer_idp);
 		if (tsp)
 		{
+			llwarns << "Aborting reliable transfer " << *transfer_idp << " due to failed reliable resends!" << llendl;
 			LLTransferSourceChannel *tscp = tsp->mChannelp;
 			tsp->abortTransfer();
 			tscp->deleteTransfer(tsp);
 		}
+		else
+		{
+			llwarns << "Aborting reliable transfer " << *transfer_idp << " but can't find the LLTransferSource object" << llendl;
+		}
 	}
 	delete transfer_idp;
 }
@@ -892,22 +897,26 @@ LLTransferSource *LLTransferSourceChannel::findTransferSource(const LLUUID &tran
 }
 
 
-BOOL LLTransferSourceChannel::deleteTransfer(LLTransferSource *tsp)
+void LLTransferSourceChannel::deleteTransfer(LLTransferSource *tsp)
 {
-
-	LLPriQueueMap<LLTransferSource *>::pqm_iter iter;
-	for (iter = mTransferSources.mMap.begin(); iter != mTransferSources.mMap.end(); iter++)
+	if (tsp)
 	{
-		if (iter->second == tsp)
+		LLPriQueueMap<LLTransferSource *>::pqm_iter iter;
+		for (iter = mTransferSources.mMap.begin(); iter != mTransferSources.mMap.end(); iter++)
 		{
-			delete tsp;
-			mTransferSources.mMap.erase(iter);
-			return TRUE;
+			if (iter->second == tsp)
+			{
+				delete tsp;
+				mTransferSources.mMap.erase(iter);
+				return;
+			}
 		}
-	}
 
-	llerrs << "Unable to find transfer source to delete!" << llendl;
-	return FALSE;
+		llwarns << "Unable to find transfer source id " 
+			<< tsp->getID()
+			<< " to delete!" 
+			<< llendl;
+	}
 }
 
 
@@ -1008,21 +1017,26 @@ LLTransferTarget *LLTransferTargetChannel::findTransferTarget(const LLUUID &tran
 }
 
 
-BOOL LLTransferTargetChannel::deleteTransfer(LLTransferTarget *ttp)
+void LLTransferTargetChannel::deleteTransfer(LLTransferTarget *ttp)
 {
-	tt_iter iter;
-	for (iter = mTransferTargets.begin(); iter != mTransferTargets.end(); iter++)
+	if (ttp)
 	{
-		if (*iter == ttp)
+		tt_iter iter;
+		for (iter = mTransferTargets.begin(); iter != mTransferTargets.end(); iter++)
 		{
-			delete ttp;
-			mTransferTargets.erase(iter);
-			return TRUE;
+			if (*iter == ttp)
+			{
+				delete ttp;
+				mTransferTargets.erase(iter);
+				return;
+			}
 		}
-	}
 
-	llerrs << "Unable to find transfer target to delete!" << llendl;
-	return FALSE;
+		llwarns << "Unable to find transfer target id " 
+			<< ttp->getID()
+			<< " to delete!" 
+			<< llendl;
+	}
 }
 
 
diff --git a/indra/llmessage/lltransfermanager.h b/indra/llmessage/lltransfermanager.h
index 252e05d1d1..6aad153c24 100755
--- a/indra/llmessage/lltransfermanager.h
+++ b/indra/llmessage/lltransfermanager.h
@@ -199,7 +199,7 @@ public:
 
 	void				addTransferSource(LLTransferSource *sourcep);
 	LLTransferSource	*findTransferSource(const LLUUID &transfer_id);
-	BOOL				deleteTransfer(LLTransferSource *tsp);
+	void				deleteTransfer(LLTransferSource *tsp);
 
 	void					setThrottleID(const S32 throttle_id)	{ mThrottleID = throttle_id; }
 
@@ -232,7 +232,7 @@ public:
 						 const F32 priority);
 
 	LLTransferTarget		*findTransferTarget(const LLUUID &transfer_id);
-	BOOL					deleteTransfer(LLTransferTarget *ttp);
+	void					deleteTransfer(LLTransferTarget *ttp);
 
 
 	LLTransferChannelType	getChannelType() const		{ return mChannelType; }
diff --git a/indra/llmessage/tests/llpartdata_test.cpp b/indra/llmessage/tests/llpartdata_test.cpp
index 9123bd06c7..de81e0bbb2 100755
--- a/indra/llmessage/tests/llpartdata_test.cpp
+++ b/indra/llmessage/tests/llpartdata_test.cpp
@@ -38,10 +38,34 @@
 
 namespace tut
 {
+
+	//bunch of sniffed data that *should* be a valid particle system
+	static U8 msg[] = { 
+		0x44, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 
+		0x00, 0x00, 0x00, 0x00, 0x19, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x01, 0x01, 0x00, 0x80, 0x00, 0x80, 
+		0x00, 0x80, 0x00, 0x80, 0x00, 0x80, 0x00, 0x80, 0x5e, 0x12, 0x0b, 0xa1, 0x58, 0x05, 0xdc, 0x57, 0x66, 
+		0xb7, 0xf5, 0xac, 0x4b, 0xd1, 0x8f, 0x86, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x14, 0x00, 0x00, 0x00, 0x02, 0x05, 0x02, 0x00, 0x00, 0x0a, 0xff, 
+		0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x20, 0x20, 0x00, 0x00, 0x02, 0x01, 0x00, 0x00, 0x00, 0x00, 
+		0x00, 0x7e, 0xc6, 0x81, 0xdc, 0x7e, 0xc6, 0x81, 0xdc, 0x77, 0xcf, 0xef, 0xd4, 0xce, 0x64, 0x1a, 0x7e, 
+		0x26, 0x87, 0x55, 0x7f, 0xdd, 0x65, 0x22, 0x7f, 0xdd, 0x65, 0x22, 0x7f, 0x77, 0xcf, 0x98, 0xa3, 0xab, 
+		0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xd1, 0xf2, 
+		0xf1, 0x65, 0x32, 0x1b, 0xef, 0x18, 0x70, 0x66, 0xba, 0x30, 0xa0, 0x11, 0xaa, 0x2f, 0xb0, 0xab, 0xd0, 
+		0x30, 0x7d, 0xbd, 0x01, 0x00, 0xf8, 0x0d, 0xb8, 0x30, 0x01, 0x00, 0x00, 0x00, 0xce, 0xc6, 0x81, 0xdc, 
+		0xce, 0xc6, 0x81, 0xdc, 0xc7, 0xcf, 0xef, 0xd4, 0x75, 0x65, 0x1a, 0x7f, 0x62, 0x6f, 0x55, 0x7f, 0x6d, 
+		0x65, 0x22, 0x7f, 0x6d, 0x65, 0x22, 0x7f, 0xc7, 0xcf, 0x98, 0xa3, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 
+		0xab, 0xab, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xd6, 0xf2, 0xf1, 0x62, 0x12, 0x1b, 0xef, 
+		0x18, 0x7e, 0xbd, 0x01, 0x00, 0x16, 0x00, 0x00, 0x00, 0x16, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+		0x00, 0x00, 0x00, 0x00, 0x7c, 0xac, 0x28, 0x03, 0x80, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x48, 
+		0xe0, 0xb9, 0x30, 0x03, 0xe1, 0xb9, 0x30, 0xbb, 0x00, 0x00, 0x00, 0x48, 0xe0, 0xb9, 0x30, 0x36, 0xd9, 
+		0x81, 0xdc, 0x36, 0xd9, 0x81, 0xdc, 0x3f, 0xd0, 0xef, 0xd4, 0xa5, 0x7a, 0x72, 0x7f, 0x26, 0x30, 0x55, 
+		0x7f, 0x95, 0x7a, 0x22, 0x7f, 0x95, 0x7a, 0x22, 0x7f, 0x3f, 0xd0, 0x98, 0xa3, 0xab, 0xab, 0xab, 0xab, 
+		0xab, 0xab, 0xab, 0xab, 0x00, 0x00, 0x00, 0x00, 0x00 };
 	
 	struct partdata_test
 	{
 	};
+
 	typedef test_group<partdata_test> partdata_test_t;
 	typedef partdata_test_t::object partdata_test_object_t;
 	tut::partdata_test_t tut_partdata_test("LLPartData");
@@ -49,168 +73,82 @@ namespace tut
 	template<> template<>
 	void partdata_test_object_t::test<1>()
 	{
-		LLPartData llpdata,llpdata1;
-		U8 pkbuf[128];
-
-		llpdata.setFlags(LLPartData::LL_PART_INTERP_COLOR_MASK | LLPartData::LL_PART_INTERP_SCALE_MASK |
-		LLPartData::LL_PART_BOUNCE_MASK | LLPartData::LL_PART_WIND_MASK | LLPartData::LL_PART_FOLLOW_SRC_MASK |
-		LLPartData::LL_PART_FOLLOW_VELOCITY_MASK | LLPartData::LL_PART_TARGET_POS_MASK | LLPartData::LL_PART_TARGET_LINEAR_MASK |
-		LLPartData::LL_PART_EMISSIVE_MASK | LLPartData::LL_PART_BEAM_MASK | LLPartData::LL_PART_DEAD_MASK);
-
-		llpdata.setMaxAge(29.3f);
-
-		LLVector3 llvec1(1.0f, .5f, .25f);
-		llpdata.setStartColor(llvec1);
-		llpdata.setStartAlpha(.7f);
-
-		LLVector3 llvec2(.2f, .3f, 1.0f);
-		llpdata.setEndColor(llvec2);
-		llpdata.setEndAlpha(1.0f);
+		LLPartSysData llpsysdata;
+		LLDataPackerBinaryBuffer dp1(msg, sizeof(msg));
 
-		llpdata.setStartScale(3.23f, 4.0f);
-		llpdata.setEndScale(2.4678f, 1.0f);
+		ensure("LLPartSysData::unpack failed.", llpsysdata.unpack(dp1));
 
-		LLDataPackerBinaryBuffer dp((U8*)pkbuf, 128);
-		llpdata.pack(dp);
 		
-		S32 cur_size = dp.getCurrentSize();
-		
-		LLDataPackerBinaryBuffer dp1((U8*)pkbuf, cur_size);
-		llpdata1.unpack(dp1);
-
-		ensure("1.mFlags values are different after unpacking", llpdata1.mFlags == llpdata.mFlags);
-		ensure_approximately_equals("2.mMaxAge values are different after unpacking", llpdata1.mMaxAge, llpdata.mMaxAge, 8);
-
-		ensure_approximately_equals("3.mStartColor[0] values are different after unpacking", llpdata1.mStartColor.mV[0], llpdata.mStartColor.mV[0], 8);
-		ensure_approximately_equals("4.mStartColor[1] values are different after unpacking", llpdata1.mStartColor.mV[1], llpdata.mStartColor.mV[1], 8);
-		ensure_approximately_equals("5.mStartColor[2] values are different after unpacking", llpdata1.mStartColor.mV[2], llpdata.mStartColor.mV[2], 8);
-		ensure_approximately_equals("6.mStartColor[3] values are different after unpacking", llpdata1.mStartColor.mV[3], llpdata.mStartColor.mV[3], 8);
-
-		ensure_approximately_equals("7.mEndColor[0] values are different after unpacking", llpdata1.mEndColor.mV[0], llpdata.mEndColor.mV[0], 8);
-		ensure_approximately_equals("8.mEndColor[1] values are different after unpacking", llpdata1.mEndColor.mV[1], llpdata.mEndColor.mV[1], 8);
-		ensure_approximately_equals("9.mEndColor[2] values are different after unpacking", llpdata1.mEndColor.mV[2], llpdata.mEndColor.mV[2], 8);
-		ensure_approximately_equals("10.mEndColor[2] values are different after unpacking", llpdata1.mEndColor.mV[3], llpdata.mEndColor.mV[3], 8);
-
-		ensure_approximately_equals("11.mStartScale[0] values are different after unpacking", llpdata1.mStartScale.mV[0], llpdata.mStartScale.mV[0], 5);
-		ensure_approximately_equals("12.mStartScale[1] values are different after unpacking", llpdata1.mStartScale.mV[1], llpdata.mStartScale.mV[1], 5);
-
-		ensure_approximately_equals("13.mEndScale[0] values are different after unpacking", llpdata1.mEndScale.mV[0], llpdata.mEndScale.mV[0], 5);
-		ensure_approximately_equals("14.mEndScale[1] values are different after unpacking", llpdata1.mEndScale.mV[1], llpdata.mEndScale.mV[1], 5);
-	}
-
-
-	template<> template<>
-	void partdata_test_object_t::test<2>()
-	{
-		LLPartData llpdata,llpdata1;
-
-		llpdata.setFlags(LLPartData::LL_PART_INTERP_COLOR_MASK | LLPartData::LL_PART_INTERP_SCALE_MASK |
-		LLPartData::LL_PART_BOUNCE_MASK | LLPartData::LL_PART_WIND_MASK | LLPartData::LL_PART_FOLLOW_SRC_MASK |
-		LLPartData::LL_PART_FOLLOW_VELOCITY_MASK | LLPartData::LL_PART_TARGET_POS_MASK | LLPartData::LL_PART_TARGET_LINEAR_MASK |
-		LLPartData::LL_PART_EMISSIVE_MASK | LLPartData::LL_PART_BEAM_MASK | LLPartData::LL_PART_DEAD_MASK);
-		
-		llpdata.setMaxAge(29.3f);
-
-		LLVector3 llvec1(1.0f, .5f, .25f);
-		llpdata.setStartColor(llvec1);
-		llpdata.setStartAlpha(.7f);
-
-		LLVector3 llvec2(.2f, .3f, 1.0f);
-		llpdata.setEndColor(llvec2);
-		llpdata.setEndAlpha(1.0f);
-
-		llpdata.setStartScale(3.23f, 4.0f);
-		llpdata.setEndScale(2.4678f, 1.0f);
-
-		LLSD llsd = llpdata.asLLSD();
-
-		llpdata1.fromLLSD(llsd);
-
-		ensure("1.mFlags values are different after unpacking", llpdata1.mFlags == llpdata.mFlags);
-		ensure_approximately_equals("2.mMaxAge values are different after unpacking", llpdata1.mMaxAge, llpdata.mMaxAge, 8);
-
-		ensure_approximately_equals("3.mStartColor[0] values are different after unpacking", llpdata1.mStartColor.mV[0], llpdata.mStartColor.mV[0], 8);
-		ensure_approximately_equals("4.mStartColor[1] values are different after unpacking", llpdata1.mStartColor.mV[1], llpdata.mStartColor.mV[1], 8);
-		ensure_approximately_equals("5.mStartColor[2] values are different after unpacking", llpdata1.mStartColor.mV[2], llpdata.mStartColor.mV[2], 8);
-		ensure_approximately_equals("6.mStartColor[3] values are different after unpacking", llpdata1.mStartColor.mV[3], llpdata.mStartColor.mV[3], 8);
-
-		ensure_approximately_equals("7.mEndColor[0] values are different after unpacking", llpdata1.mEndColor.mV[0], llpdata.mEndColor.mV[0], 8);
-		ensure_approximately_equals("8.mEndColor[1] values are different after unpacking", llpdata1.mEndColor.mV[1], llpdata.mEndColor.mV[1], 8);
-		ensure_approximately_equals("9.mEndColor[2] values are different after unpacking", llpdata1.mEndColor.mV[2], llpdata.mEndColor.mV[2], 8);
-		ensure_approximately_equals("10.mEndColor[2] values are different after unpacking", llpdata1.mEndColor.mV[3], llpdata.mEndColor.mV[3], 8);
-
-		ensure_approximately_equals("11.mStartScale[0] values are different after unpacking", llpdata1.mStartScale.mV[0], llpdata.mStartScale.mV[0], 5);
-		ensure_approximately_equals("12.mStartScale[1] values are different after unpacking", llpdata1.mStartScale.mV[1], llpdata.mStartScale.mV[1], 5);
-
-		ensure_approximately_equals("13.mEndScale[0] values are different after unpacking", llpdata1.mEndScale.mV[0], llpdata.mEndScale.mV[0], 5);
-		ensure_approximately_equals("14.mEndScale[1] values are different after unpacking", llpdata1.mEndScale.mV[1], llpdata.mEndScale.mV[1], 5);
-	}
-
-
-//*********llpartsysdata***********
-
-	template<> template<>
-	void partdata_test_object_t::test<3>()
-	{
-		LLPartSysData llpsysdata, llpsysdata1;
-		U8 pkbuf[256];
-		llpsysdata.setBurstSpeedMin(33.33f);
-		ensure("1.mBurstSpeedMin coudnt be set", 33.33f == llpsysdata.mBurstSpeedMin);
-
-		llpsysdata.setBurstSpeedMax(44.44f); 
-		ensure("2.mBurstSpeedMax coudnt be set", 44.44f == llpsysdata.mBurstSpeedMax);
-
-		llpsysdata.setBurstRadius(45.55f);
-		ensure("3.mBurstRadius coudnt be set", 45.55f == llpsysdata.mBurstRadius);
-
-		LLVector3 llvec(44.44f, 111.11f, -40.4f);
-		llpsysdata.setPartAccel(llvec);
-
-		llpsysdata.mCRC = 0xFFFFFFFF;
-		llpsysdata.mFlags = 0x20;
-
-		llpsysdata.mPattern = LLPartSysData::LL_PART_SRC_PATTERN_ANGLE_CONE_EMPTY;
-
-		llpsysdata.mMaxAge = 99.99f;
-		llpsysdata.mStartAge = 18.5f;
-		llpsysdata.mInnerAngle = 4.234f;
-		llpsysdata.mOuterAngle = 7.123f;
-		llpsysdata.mBurstRate  = 245.53f;
-		llpsysdata.mBurstPartCount = 0xFF;
-		llpsysdata.mAngularVelocity = llvec;
-
-		llpsysdata.mPartImageID.generate();
-		llpsysdata.mTargetUUID.generate();
+		//mCRC	1	unsigned int
+		ensure("mCRC different after unpacking", llpsysdata.mCRC == (U32) 1);
+		//mFlags	0	unsigned int
+		ensure ("mFlags different after unpacking", llpsysdata.mFlags == (U32) 0);
+		//mPattern	1 '
'	unsigned char
+		ensure ("mPattern different after unpacking", llpsysdata.mPattern == (U8) 1);
+		//mInnerAngle	0.00000000	float
+		ensure_approximately_equals("mInnerAngle different after unpacking", llpsysdata.mInnerAngle, 0.f, 8);
+		//mOuterAngle	0.00000000	float
+		ensure_approximately_equals("mOuterAngle different after unpacking", llpsysdata.mOuterAngle, 0.f, 8);
+		//mAngularVelocity	0,0,0
+		ensure_approximately_equals("mAngularVelocity.mV[0] different after unpacking", llpsysdata.mAngularVelocity.mV[0], 0.f, 8);
+		ensure_approximately_equals("mAngularVelocity.mV[0] different after unpacking", llpsysdata.mAngularVelocity.mV[1], 0.f, 8);
+		ensure_approximately_equals("mAngularVelocity.mV[0] different after unpacking", llpsysdata.mAngularVelocity.mV[2], 0.f, 8);
+		//mBurstRate	0.097656250	float
+		ensure_approximately_equals("mBurstRate different after unpacking", llpsysdata.mBurstRate, 0.097656250f, 8);
+		//mBurstPartCount	1 '
'	unsigned char
+		ensure("mBurstPartCount different after unpacking", llpsysdata.mBurstPartCount == (U8) 1);
+		//mBurstRadius	0.00000000	float
+		ensure_approximately_equals("mBurstRadius different after unpacking", llpsysdata.mBurstRadius, 0.f, 8);
+		//mBurstSpeedMin	1.0000000	float
+		ensure_approximately_equals("mBurstSpeedMin different after unpacking", llpsysdata.mBurstSpeedMin, 1.f, 8);
+		//mBurstSpeedMax	1.0000000	float
+		ensure_approximately_equals("mBurstSpeedMax different after unpacking", llpsysdata.mBurstSpeedMax, 1.f, 8);
+		//mMaxAge	0.00000000	float
+		ensure_approximately_equals("mMaxAge different after unpacking", llpsysdata.mMaxAge, 0.f, 8);
+		//mStartAge	0.00000000	float
+		ensure_approximately_equals("mStartAge different after unpacking", llpsysdata.mStartAge, 0.f, 8);
+		//mPartAccel	<0,0,0>
+		ensure_approximately_equals("mPartAccel.mV[0] different after unpacking", llpsysdata.mPartAccel.mV[0], 0.f, 7);
+		ensure_approximately_equals("mPartAccel.mV[1] different after unpacking", llpsysdata.mPartAccel.mV[1], 0.f, 7);
+		ensure_approximately_equals("mPartAccel.mV[2] different after unpacking", llpsysdata.mPartAccel.mV[2], 0.f, 7);
+
+		//mPartData
+		LLPartData& data = llpsysdata.mPartData;
+
+		//mFlags	132354	unsigned int
+		ensure ("mPartData.mFlags different after unpacking", data.mFlags == (U32) 132354);
+		//mMaxAge	10.000000	float
+		ensure_approximately_equals("mPartData.mMaxAge different after unpacking", data.mMaxAge, 10.f, 8); 
+		//mStartColor	<1,1,1,1>
+		ensure_approximately_equals("mPartData.mStartColor.mV[0] different after unpacking", data.mStartColor.mV[0], 1.f, 8);
+		ensure_approximately_equals("mPartData.mStartColor.mV[1] different after unpacking", data.mStartColor.mV[1], 1.f, 8);
+		ensure_approximately_equals("mPartData.mStartColor.mV[2] different after unpacking", data.mStartColor.mV[2], 1.f, 8);
+		ensure_approximately_equals("mPartData.mStartColor.mV[3] different after unpacking", data.mStartColor.mV[3], 1.f, 8);
+		//mEndColor	<1,1,0,0>
+		ensure_approximately_equals("mPartData.mEndColor.mV[0] different after unpacking", data.mEndColor.mV[0], 1.f, 8);
+		ensure_approximately_equals("mPartData.mEndColor.mV[1] different after unpacking", data.mEndColor.mV[1], 1.f, 8);
+		ensure_approximately_equals("mPartData.mEndColor.mV[2] different after unpacking", data.mEndColor.mV[2], 0.f, 8);
+		ensure_approximately_equals("mPartData.mEndColor.mV[3] different after unpacking", data.mEndColor.mV[3], 0.f, 8);
+		//mStartScale	<1,1>
+		ensure_approximately_equals("mPartData.mStartScale.mV[0] different after unpacking", data.mStartScale.mV[0], 1.f, 8);
+		ensure_approximately_equals("mPartData.mStartScale.mV[1] different after unpacking", data.mStartScale.mV[1], 1.f, 8);
+		//mEndScale	<0,0>
+		ensure_approximately_equals("mPartData.mEndScale.mV[0] different after unpacking", data.mEndScale.mV[0], 0.f, 8);
+		ensure_approximately_equals("mPartData.mEndScale.mV[1] different after unpacking", data.mEndScale.mV[1], 0.f, 8);
+		//mPosOffset	<0,0,0>
+		ensure_approximately_equals("mPartData.mPosOffset.mV[0] different after unpacking", data.mPosOffset.mV[0], 0.f, 8);
+		ensure_approximately_equals("mPartData.mPosOffset.mV[1] different after unpacking", data.mPosOffset.mV[1], 0.f, 8);
+		ensure_approximately_equals("mPartData.mPosOffset.mV[2] different after unpacking", data.mPosOffset.mV[2], 0.f, 8);
+		//mParameter	0.00000000	float
+		ensure_approximately_equals("mPartData.mParameter different after unpacking", data.mParameter, 0.f, 8);
 		
-		LLDataPackerBinaryBuffer dp((U8*)pkbuf, 256);
-		llpsysdata.pack(dp);
-		S32 cur_size = dp.getCurrentSize();
-		LLDataPackerBinaryBuffer dp1((U8*)pkbuf, cur_size);
-		llpsysdata1.unpack(dp1);
-
-		ensure("1.mCRC's not equal", llpsysdata.mCRC == llpsysdata1.mCRC);
-		ensure("2.mFlags's not equal", llpsysdata.mFlags == llpsysdata1.mFlags);
-		ensure("3.mPattern's not equal", llpsysdata.mPattern == llpsysdata1.mPattern);
-		ensure_approximately_equals("4.mMaxAge's not equal", llpsysdata.mMaxAge , llpsysdata1.mMaxAge, 8);
-		ensure_approximately_equals("5.mStartAge's not equal", llpsysdata.mStartAge, llpsysdata1.mStartAge, 8);
-		ensure_approximately_equals("6.mOuterAngle's not equal", llpsysdata.mOuterAngle, llpsysdata1.mOuterAngle, 5);
-		ensure_approximately_equals("7.mInnerAngles's not equal", llpsysdata.mInnerAngle, llpsysdata1.mInnerAngle, 5);
-		ensure_approximately_equals("8.mBurstRate's not equal", llpsysdata.mBurstRate, llpsysdata1.mBurstRate, 8);
-		ensure("9.mBurstPartCount's not equal", llpsysdata.mBurstPartCount == llpsysdata1.mBurstPartCount);
-
-		ensure_approximately_equals("10.mBurstSpeedMin's not equal", llpsysdata.mBurstSpeedMin, llpsysdata1.mBurstSpeedMin, 8);
-		ensure_approximately_equals("11.mBurstSpeedMax's not equal", llpsysdata.mBurstSpeedMax, llpsysdata1.mBurstSpeedMax, 8);
-
-		ensure_approximately_equals("12.mAngularVelocity's not equal", llpsysdata.mAngularVelocity.mV[0], llpsysdata1.mAngularVelocity.mV[0], 7);
-		ensure_approximately_equals("13.mAngularVelocity's not equal", llpsysdata.mAngularVelocity.mV[1], llpsysdata1.mAngularVelocity.mV[1], 7);
-		ensure_approximately_equals("14.mAngularVelocity's not equal", llpsysdata.mAngularVelocity.mV[2], llpsysdata1.mAngularVelocity.mV[2], 7);
-			
-		ensure_approximately_equals("15.mPartAccel's not equal", llpsysdata.mPartAccel.mV[0], llpsysdata1.mPartAccel.mV[0], 7);
-		ensure_approximately_equals("16.mPartAccel's not equal", llpsysdata.mPartAccel.mV[1], llpsysdata1.mPartAccel.mV[1], 7);
-		ensure_approximately_equals("17.mPartAccel's not equal", llpsysdata.mPartAccel.mV[2], llpsysdata1.mPartAccel.mV[2], 7);
-
-		ensure("18.mPartImageID's not equal", llpsysdata.mPartImageID == llpsysdata1.mPartImageID);
-		ensure("19.mTargetUUID's not equal", llpsysdata.mTargetUUID == llpsysdata1.mTargetUUID);
-		ensure_approximately_equals("20.mBurstRadius's not equal", llpsysdata.mBurstRadius, llpsysdata1.mBurstRadius, 8);
+		//mStartGlow	0.00000000	float
+		ensure_approximately_equals("mPartData.mStartGlow different after unpacking", data.mStartGlow, 0.f, 8);
+		//mEndGlow	0.00000000	float
+		ensure_approximately_equals("mPartData.mEndGlow different after unpacking", data.mEndGlow, 0.f, 8);
+		//mBlendFuncSource	2 ''	unsigned char
+		ensure("mPartData.mBlendFuncSource different after unpacking", data.mBlendFuncSource == (U8) 2);
+		//mBlendFuncDest	1 '
'	unsigned char 
+		ensure("mPartData.mBlendFuncDest different after unpacking", data.mBlendFuncDest == (U8) 1);
 	}
 }
diff --git a/indra/llplugin/slplugin/CMakeLists.txt b/indra/llplugin/slplugin/CMakeLists.txt
index 03412d95d5..6e7fefeb21 100755
--- a/indra/llplugin/slplugin/CMakeLists.txt
+++ b/indra/llplugin/slplugin/CMakeLists.txt
@@ -50,10 +50,17 @@ add_executable(SLPlugin
     ${SLPlugin_SOURCE_FILES}
 )
 
+if (WINDOWS)
+set_target_properties(SLPlugin
+  PROPERTIES
+  LINK_FLAGS_DEBUG "/NODEFAULTLIB:\"LIBCMTD\""
+  )
+else ()
 set_target_properties(SLPlugin
   PROPERTIES
   MACOSX_BUNDLE_INFO_PLIST ${CMAKE_CURRENT_SOURCE_DIR}/slplugin_info.plist
   )
+endif ()
 
 target_link_libraries(SLPlugin
   ${LLPLUGIN_LIBRARIES}
diff --git a/indra/llprimitive/llmodel.cpp b/indra/llprimitive/llmodel.cpp
index 5ed05e2201..e236f98fe6 100755
--- a/indra/llprimitive/llmodel.cpp
+++ b/indra/llprimitive/llmodel.cpp
@@ -186,27 +186,73 @@ LLModel::EModelStatus load_face_from_dom_triangles(std::vector<LLVolumeFace>& fa
 	
 	LLVolumeFace::VertexMapData::PointMap point_map;
 	
-	for (U32 i = 0; i < idx.getCount(); i += idx_stride)
+	U32 index_count  = idx.getCount();
+	U32 vertex_count = pos_source  ? v.getCount()  : 0;
+	U32 tc_count     = tc_source   ? tc.getCount() : 0;
+	U32 norm_count   = norm_source ? n.getCount()  : 0;
+
+	for (U32 i = 0; i < index_count; i += idx_stride)
 	{
 		LLVolumeFace::VertexData cv;
 		if (pos_source)
 		{
+			// guard against model data specifiying out of range indices or verts
+			//
+			if (((i + pos_offset) > index_count)
+			 || ((idx[i+pos_offset]*3+2) > vertex_count))
+			{
+				return LLModel::BAD_ELEMENT;
+			}
+
 			cv.setPosition(LLVector4a(v[idx[i+pos_offset]*3+0],
 								v[idx[i+pos_offset]*3+1],
 								v[idx[i+pos_offset]*3+2]));
+
+			if (!cv.getPosition().isFinite3())
+			{
+				return LLModel::BAD_ELEMENT;
+			}
 		}
 
 		if (tc_source)
 		{
+			// guard against model data specifiying out of range indices or tcs
+			//
+			if (((i + tc_offset) > index_count)
+			 || ((idx[i+pos_offset]*2+1) > tc_count))
+			{
+				return LLModel::BAD_ELEMENT;
+			}
+
 			cv.mTexCoord.setVec(tc[idx[i+tc_offset]*2+0],
 								tc[idx[i+tc_offset]*2+1]);
+
+			if (!cv.mTexCoord.isFinite())
+			{
+				llwarns << "Found NaN while loading tex coords from DAE-Model, invalid model." << llendl;
+				return LLModel::BAD_ELEMENT;
+			}
 		}
 		
 		if (norm_source)
 		{
+			// guard against model data specifiying out of range indices or norms
+			//
+			if (((i + norm_offset) > index_count)
+				|| ((idx[i+norm_offset]*3+2) > norm_count))
+			{
+				return LLModel::BAD_ELEMENT;
+			}
+
 			cv.setNormal(LLVector4a(n[idx[i+norm_offset]*3+0],
 								n[idx[i+norm_offset]*3+1],
 								n[idx[i+norm_offset]*3+2]));
+
+			if (!cv.getNormal().isFinite3())
+			{
+				llwarns << "Found NaN while loading normals from DAE-Model, invalid model." << llendl;
+				return LLModel::BAD_ELEMENT;
+			}
 		}
 		
 		BOOL found = FALSE;
@@ -261,13 +307,13 @@ LLModel::EModelStatus load_face_from_dom_triangles(std::vector<LLVolumeFace>& fa
 			LLVolumeFace& new_face = *face_list.rbegin();
 			if (!norm_source)
 			{
-				ll_aligned_free_16(new_face.mNormals);
+				//ll_aligned_free_16(new_face.mNormals);
 				new_face.mNormals = NULL;
 			}
 
 			if (!tc_source)
 			{
-				ll_aligned_free_16(new_face.mTexCoords);
+				//ll_aligned_free_16(new_face.mTexCoords);
 				new_face.mTexCoords = NULL;
 			}
 
@@ -292,13 +338,13 @@ LLModel::EModelStatus load_face_from_dom_triangles(std::vector<LLVolumeFace>& fa
 		LLVolumeFace& new_face = *face_list.rbegin();
 		if (!norm_source)
 		{
-			ll_aligned_free_16(new_face.mNormals);
+			//ll_aligned_free_16(new_face.mNormals);
 			new_face.mNormals = NULL;
 		}
 
 		if (!tc_source)
 		{
-			ll_aligned_free_16(new_face.mTexCoords);
+			//ll_aligned_free_16(new_face.mTexCoords);
 			new_face.mTexCoords = NULL;
 		}
 	}
@@ -364,6 +410,11 @@ LLModel::EModelStatus load_face_from_dom_polylist(std::vector<LLVolumeFace>& fac
 	
 	LLVolumeFace::VertexMapData::PointMap point_map;
 
+	U32 index_count  = idx.getCount();
+	U32 vertex_count = pos_source  ? v.getCount()  : 0;
+	U32 tc_count     = tc_source   ? tc.getCount() : 0;
+	U32 norm_count   = norm_source ? n.getCount()  : 0;
+
 	U32 cur_idx = 0;
 	for (U32 i = 0; i < vcount.getCount(); ++i)
 	{ //for each polygon
@@ -376,22 +427,65 @@ LLModel::EModelStatus load_face_from_dom_polylist(std::vector<LLVolumeFace>& fac
 
 			if (pos_source)
 			{
+				// guard against model data specifiying out of range indices or verts
+				//
+				if (((i + pos_offset) > index_count)
+				 || ((idx[i+pos_offset]*3+2) > vertex_count))
+				{
+					return LLModel::BAD_ELEMENT;
+				}
+
 				cv.getPosition().set(v[idx[cur_idx+pos_offset]*3+0],
 									v[idx[cur_idx+pos_offset]*3+1],
 									v[idx[cur_idx+pos_offset]*3+2]);
+
+				if (!cv.getPosition().isFinite3())
+				{
+					llwarns << "Found NaN while loading positions from DAE-Model, invalid model." << llendl;
+					return LLModel::BAD_ELEMENT;
+				}
+
 			}
 
 			if (tc_source)
 			{
+				// guard against model data specifiying out of range indices or tcs
+				//
+				if (((i + pos_offset) > index_count)
+				 || ((idx[cur_idx+tc_offset]*2+1) > tc_count))
+				{
+					return LLModel::BAD_ELEMENT;
+				}
+
 				cv.mTexCoord.setVec(tc[idx[cur_idx+tc_offset]*2+0],
 									tc[idx[cur_idx+tc_offset]*2+1]);
+
+				if (!cv.mTexCoord.isFinite())
+				{
+					llwarns << "Found NaN while loading tex coords from DAE-Model, invalid model." << llendl;
+					return LLModel::BAD_ELEMENT;
+				}
 			}
 			
 			if (norm_source)
 			{
+				// guard against model data specifiying out of range indices or norms
+				//
+				if (((i + pos_offset) > index_count)
+				 || ((idx[cur_idx+norm_offset]*3+2) > norm_count))
+				{
+					return LLModel::BAD_ELEMENT;
+				}
+
 				cv.getNormal().set(n[idx[cur_idx+norm_offset]*3+0],
 									n[idx[cur_idx+norm_offset]*3+1],
 									n[idx[cur_idx+norm_offset]*3+2]);
+
+				if (!cv.getNormal().isFinite3())
+				{
+					llwarns << "Found NaN while loading normals from DAE-Model, invalid model." << llendl;
+					return LLModel::BAD_ELEMENT;
+				}
 			}
 			
 			cur_idx += idx_stride;
@@ -480,13 +574,13 @@ LLModel::EModelStatus load_face_from_dom_polylist(std::vector<LLVolumeFace>& fac
 				LLVolumeFace& new_face = *face_list.rbegin();
 				if (!norm_source)
 				{
-					ll_aligned_free_16(new_face.mNormals);
+					//ll_aligned_free_16(new_face.mNormals);
 					new_face.mNormals = NULL;
 				}
 
 				if (!tc_source)
 				{
-					ll_aligned_free_16(new_face.mTexCoords);
+					//ll_aligned_free_16(new_face.mTexCoords);
 					new_face.mTexCoords = NULL;
 				}
 
@@ -514,13 +608,13 @@ LLModel::EModelStatus load_face_from_dom_polylist(std::vector<LLVolumeFace>& fac
 		LLVolumeFace& new_face = *face_list.rbegin();
 		if (!norm_source)
 		{
-			ll_aligned_free_16(new_face.mNormals);
+			//ll_aligned_free_16(new_face.mNormals);
 			new_face.mNormals = NULL;
 		}
 
 		if (!tc_source)
 		{
-			ll_aligned_free_16(new_face.mTexCoords);
+			//ll_aligned_free_16(new_face.mTexCoords);
 			new_face.mTexCoords = NULL;
 		}
 	}
@@ -632,6 +726,12 @@ LLModel::EModelStatus load_face_from_dom_polygons(std::vector<LLVolumeFace>& fac
 				vert.getPosition().set(v->get(v_idx),
 								v->get(v_idx+1),
 								v->get(v_idx+2));
+
+				if (!vert.getPosition().isFinite3())
+				{
+					llwarns << "Found NaN while loading position data from DAE-Model, invalid model." << llendl;
+					return LLModel::BAD_ELEMENT;
+				}
 			}
 			
 			//bounds check n and t lookups because some FBX to DAE converters
@@ -644,6 +744,12 @@ LLModel::EModelStatus load_face_from_dom_polygons(std::vector<LLVolumeFace>& fac
 				vert.getNormal().set(n->get(n_idx),
 								n->get(n_idx+1),
 								n->get(n_idx+2));
+
+				if (!vert.getNormal().isFinite3())
+				{
+					llwarns << "Found NaN while loading normals from DAE-Model, invalid model." << llendl;
+					return LLModel::BAD_ELEMENT;
+				}
 			}
 			else
 			{
@@ -657,6 +763,12 @@ LLModel::EModelStatus load_face_from_dom_polygons(std::vector<LLVolumeFace>& fac
 				t_idx = llclamp(t_idx, (U32) 0, (U32) t->getCount());
 				vert.mTexCoord.setVec(t->get(t_idx),
 								t->get(t_idx+1));								
+
+				if (!vert.mTexCoord.isFinite())
+				{
+					llwarns << "Found NaN while loading tex coords from DAE-Model, invalid model." << llendl;
+					return LLModel::BAD_ELEMENT;
+				}
 			}
 			else
 			{
@@ -730,13 +842,13 @@ LLModel::EModelStatus load_face_from_dom_polygons(std::vector<LLVolumeFace>& fac
 		LLVolumeFace& new_face = *face_list.rbegin();
 		if (!n)
 		{
-			ll_aligned_free_16(new_face.mNormals);
+			//ll_aligned_free_16(new_face.mNormals);
 			new_face.mNormals = NULL;
 		}
 
 		if (!t)
 		{
-			ll_aligned_free_16(new_face.mTexCoords);
+			//ll_aligned_free_16(new_face.mTexCoords);
 			new_face.mTexCoords = NULL;
 		}
 	}
@@ -1010,6 +1122,43 @@ void LLModel::getNormalizedScaleTranslation(LLVector3& scale_out, LLVector3& tra
 	translation_out = mNormalizedTranslation;
 }
 
+LLVector3 LLModel::getTransformedCenter(const LLMatrix4& mat)
+{
+	LLVector3 ret;
+
+	if (!mVolumeFaces.empty())
+	{
+		LLMatrix4a m;
+		m.loadu(mat);
+
+		LLVector4a minv,maxv;
+
+		LLVector4a t;
+		m.affineTransform(mVolumeFaces[0].mPositions[0], t);
+		minv = maxv = t;
+
+		for (S32 i = 0; i < mVolumeFaces.size(); ++i)
+		{
+			LLVolumeFace& face = mVolumeFaces[i];
+
+			for (U32 j = 0; j < face.mNumVertices; ++j)
+			{
+				m.affineTransform(face.mPositions[j],t);
+				update_min_max(minv, maxv, t);
+			}
+		}
+
+		minv.add(maxv);
+		minv.mul(0.5f);
+
+		ret.set(minv.getF32ptr());
+	}
+
+	return ret;
+}
+
+
+
 void LLModel::setNumVolumeFaces(S32 count)
 {
 	mVolumeFaces.resize(count);
@@ -1036,7 +1185,7 @@ void LLModel::setVolumeFaceData(
 	}
 	else
 	{
-		ll_aligned_free_16(face.mNormals);
+		//ll_aligned_free_16(face.mNormals);
 		face.mNormals = NULL;
 	}
 
@@ -1047,7 +1196,7 @@ void LLModel::setVolumeFaceData(
 	}
 	else
 	{
-		ll_aligned_free_16(face.mTexCoords);
+		//ll_aligned_free_16(face.mTexCoords);
 		face.mTexCoords = NULL;
 	}
 
@@ -1246,7 +1395,7 @@ void LLModel::generateNormals(F32 angle_cutoff)
 		}
 		else
 		{
-			ll_aligned_free_16(new_face.mTexCoords);
+			//ll_aligned_free_16(new_face.mTexCoords);
 			new_face.mTexCoords = NULL;
 		}
 
diff --git a/indra/llprimitive/llmodel.h b/indra/llprimitive/llmodel.h
index 1cf528fd9f..aaafc55258 100755
--- a/indra/llprimitive/llmodel.h
+++ b/indra/llprimitive/llmodel.h
@@ -173,13 +173,15 @@ public:
 	void optimizeVolumeFaces();
 	void offsetMesh( const LLVector3& pivotPoint );
 	void getNormalizedScaleTranslation(LLVector3& scale_out, LLVector3& translation_out);
-	
+	LLVector3 getTransformedCenter(const LLMatrix4& mat);
+
 	//reorder face list based on mMaterialList in this and reference so 
 	//order matches that of reference (material ordering touchup)
 	bool matchMaterialOrder(LLModel* ref, int& refFaceCnt, int& modelFaceCnt );
 	bool isMaterialListSubset( LLModel* ref );
 	bool needToAddFaces( LLModel* ref, int& refFaceCnt, int& modelFaceCnt );
 	
+	
 	std::vector<std::string> mMaterialList;
 
 	//data used for skin weights
diff --git a/indra/llrender/llgl.cpp b/indra/llrender/llgl.cpp
index c3005f1722..00de61a8cc 100755
--- a/indra/llrender/llgl.cpp
+++ b/indra/llrender/llgl.cpp
@@ -59,6 +59,7 @@ BOOL gDebugGL = FALSE;
 BOOL gClothRipple = FALSE;
 BOOL gHeadlessClient = FALSE;
 BOOL gGLActive = FALSE;
+BOOL gGLDebugLoggingEnabled = TRUE;
 
 static const std::string HEADLESS_VENDOR_STRING("Linden Lab");
 static const std::string HEADLESS_RENDERER_STRING("Headless");
@@ -72,6 +73,7 @@ std::ofstream gFailLog;
 #define APIENTRY
 #endif
 
+
 void APIENTRY gl_debug_callback(GLenum source,
                                 GLenum type,
                                 GLuint id,
@@ -80,22 +82,25 @@ void APIENTRY gl_debug_callback(GLenum source,
                                 const GLchar* message,
                                 GLvoid* userParam)
 {
-	if (severity == GL_DEBUG_SEVERITY_HIGH_ARB)
-	{
-		llwarns << "----- GL ERROR --------" << llendl;
-	}
-	else
+	if (gGLDebugLoggingEnabled)
 	{
-		llwarns << "----- GL WARNING -------" << llendl;
-	}
-	llwarns << "Type: " << std::hex << type << llendl;
-	llwarns << "ID: " << std::hex << id << llendl;
-	llwarns << "Severity: " << std::hex << severity << llendl;
-	llwarns << "Message: " << message << llendl;
-	llwarns << "-----------------------" << llendl;
-	if (severity == GL_DEBUG_SEVERITY_HIGH_ARB)
-	{
-		llerrs << "Halting on GL Error" << llendl;
+		if (severity == GL_DEBUG_SEVERITY_HIGH_ARB)
+		{
+			llwarns << "----- GL ERROR --------" << llendl;
+		}
+		else
+		{
+			llwarns << "----- GL WARNING -------" << llendl;
+		}
+		llwarns << "Type: " << std::hex << type << llendl;
+		llwarns << "ID: " << std::hex << id << llendl;
+		llwarns << "Severity: " << std::hex << severity << llendl;
+		llwarns << "Message: " << message << llendl;
+		llwarns << "-----------------------" << llendl;
+		if (severity == GL_DEBUG_SEVERITY_HIGH_ARB)
+		{
+			llerrs << "Halting on GL Error" << llendl;
+		}
 	}
 }
 #endif
@@ -258,6 +263,7 @@ PFNGLBEGINTRANSFORMFEEDBACKPROC glBeginTransformFeedback = NULL;
 PFNGLENDTRANSFORMFEEDBACKPROC glEndTransformFeedback = NULL;
 PFNGLTRANSFORMFEEDBACKVARYINGSPROC glTransformFeedbackVaryings = NULL;
 PFNGLBINDBUFFERRANGEPROC glBindBufferRange = NULL;
+PFNGLBINDBUFFERBASEPROC glBindBufferBase = NULL;
 
 //GL_ARB_debug_output
 PFNGLDEBUGMESSAGECONTROLARBPROC glDebugMessageControlARB = NULL;
@@ -745,7 +751,7 @@ bool LLGLManager::initGL()
 #if LL_WINDOWS
 	if (mHasDebugOutput && gDebugGL)
 	{ //setup debug output callback
-		//glDebugMessageControlARB(GL_DONT_CARE, GL_DONT_CARE, GL_DEBUG_SEVERITY_LOW_ARB, 0, NULL, GL_TRUE);
+		glDebugMessageControlARB(GL_DONT_CARE, GL_DEBUG_TYPE_DEPRECATED_BEHAVIOR_ARB, GL_DEBUG_SEVERITY_LOW_ARB, 0, NULL, GL_TRUE);
 		glDebugMessageCallbackARB((GLDEBUGPROCARB) gl_debug_callback, NULL);
 		glEnable(GL_DEBUG_OUTPUT_SYNCHRONOUS_ARB);
 	}
@@ -1246,6 +1252,7 @@ void LLGLManager::initExtensions()
 		glEndTransformFeedback = (PFNGLENDTRANSFORMFEEDBACKPROC) GLH_EXT_GET_PROC_ADDRESS("glEndTransformFeedback");
 		glTransformFeedbackVaryings = (PFNGLTRANSFORMFEEDBACKVARYINGSPROC) GLH_EXT_GET_PROC_ADDRESS("glTransformFeedbackVaryings");
 		glBindBufferRange = (PFNGLBINDBUFFERRANGEPROC) GLH_EXT_GET_PROC_ADDRESS("glBindBufferRange");
+		glBindBufferBase = (PFNGLBINDBUFFERBASEPROC) GLH_EXT_GET_PROC_ADDRESS("glBindBufferBase");
 	}
 	if (mHasDebugOutput)
 	{
@@ -1500,7 +1507,7 @@ void do_assert_glerror()
 
 void assert_glerror()
 {
-	if (!gGLActive)
+/*	if (!gGLActive)
 	{
 		//llwarns << "GL used while not active!" << llendl;
 
@@ -1509,8 +1516,13 @@ void assert_glerror()
 			//ll_fail("GL used while not active");
 		}
 	}
+*/
 
-	if (gDebugGL) 
+	if (!gDebugGL) 
+	{
+		//funny looking if for branch prediction -- gDebugGL is almost always false and assert_glerror is called often
+	}
+	else
 	{
 		do_assert_glerror();
 	}
diff --git a/indra/llrender/llglheaders.h b/indra/llrender/llglheaders.h
index dace572953..4a4153ece8 100755
--- a/indra/llrender/llglheaders.h
+++ b/indra/llrender/llglheaders.h
@@ -543,6 +543,7 @@ extern PFNGLBEGINTRANSFORMFEEDBACKPROC glBeginTransformFeedback;
 extern PFNGLENDTRANSFORMFEEDBACKPROC glEndTransformFeedback;
 extern PFNGLTRANSFORMFEEDBACKVARYINGSPROC glTransformFeedbackVaryings;
 extern PFNGLBINDBUFFERRANGEPROC glBindBufferRange;
+extern PFNGLBINDBUFFERBASEPROC glBindBufferBase;
 
 
 #elif LL_WINDOWS
@@ -787,6 +788,7 @@ extern PFNGLBEGINTRANSFORMFEEDBACKPROC glBeginTransformFeedback;
 extern PFNGLENDTRANSFORMFEEDBACKPROC glEndTransformFeedback;
 extern PFNGLTRANSFORMFEEDBACKVARYINGSPROC glTransformFeedbackVaryings;
 extern PFNGLBINDBUFFERRANGEPROC glBindBufferRange;
+extern PFNGLBINDBUFFERBASEPROC glBindBufferBase;
 
 //GL_ARB_debug_output
 extern PFNGLDEBUGMESSAGECONTROLARBPROC glDebugMessageControlARB;
diff --git a/indra/llrender/llglslshader.cpp b/indra/llrender/llglslshader.cpp
index 62191b4c1a..6a654bdd82 100755
--- a/indra/llrender/llglslshader.cpp
+++ b/indra/llrender/llglslshader.cpp
@@ -309,8 +309,8 @@ void LLGLSLShader::unload()
 	stop_glerror();
 }
 
-BOOL LLGLSLShader::createShader(vector<string> * attributes,
-								vector<string> * uniforms,
+BOOL LLGLSLShader::createShader(std::vector<LLStaticHashedString> * attributes,
+								std::vector<LLStaticHashedString> * uniforms,
 								U32 varying_count,
 								const char** varyings)
 {
@@ -392,7 +392,8 @@ BOOL LLGLSLShader::createShader(vector<string> * attributes,
 
 		for (S32 i = 0; i < channel_count; i++)
 		{
-			uniform1i(llformat("tex%d", i), i);
+			LLStaticHashedString uniName(llformat("tex%d", i));
+			uniform1i(uniName, i);
 		}
 
 		S32 cur_tex = channel_count; //adjust any texture channels that might have been overwritten
@@ -449,7 +450,7 @@ void LLGLSLShader::attachObjects(GLhandleARB* objects, S32 count)
 	}
 }
 
-BOOL LLGLSLShader::mapAttributes(const vector<string> * attributes)
+BOOL LLGLSLShader::mapAttributes(const std::vector<LLStaticHashedString> * attributes)
 {
 	//before linking, make sure reserved attributes always have consistent locations
 	for (U32 i = 0; i < LLShaderMgr::instance()->mReservedAttribs.size(); i++)
@@ -486,7 +487,7 @@ BOOL LLGLSLShader::mapAttributes(const vector<string> * attributes)
 		{
 			for (U32 i = 0; i < numAttributes; i++)
 			{
-				const char* name = (*attributes)[i].c_str();
+				const char* name = (*attributes)[i].String().c_str();
 				S32 index = glGetAttribLocationARB(mProgramObject, name);
 				if (index != -1)
 				{
@@ -502,7 +503,7 @@ BOOL LLGLSLShader::mapAttributes(const vector<string> * attributes)
 	return FALSE;
 }
 
-void LLGLSLShader::mapUniform(GLint index, const vector<string> * uniforms)
+void LLGLSLShader::mapUniform(GLint index, const vector<LLStaticHashedString> * uniforms)
 {
 	if (index == -1)
 	{
@@ -572,7 +573,8 @@ void LLGLSLShader::mapUniform(GLint index, const vector<string> * uniforms)
 			is_array[0] = 0;
 		}
 
-		mUniformMap[name] = location;
+		LLStaticHashedString hashedName(name);
+		mUniformMap[hashedName] = location;
 		LL_DEBUGS("ShaderLoading") << "Uniform " << name << " is at location " << location << LL_ENDL;
 	
 		//find the index of this uniform
@@ -593,7 +595,7 @@ void LLGLSLShader::mapUniform(GLint index, const vector<string> * uniforms)
 			for (U32 i = 0; i < uniforms->size(); i++)
 			{
 				if ( (mUniform[i+LLShaderMgr::instance()->mReservedUniforms.size()] == -1)
-					&& ((*uniforms)[i] == name))
+					&& ((*uniforms)[i].String() == name))
 				{
 					//found it
 					mUniform[i+LLShaderMgr::instance()->mReservedUniforms.size()] = location;
@@ -627,7 +629,7 @@ GLint LLGLSLShader::mapUniformTextureChannel(GLint location, GLenum type)
 	return -1;
 }
 
-BOOL LLGLSLShader::mapUniforms(const vector<string> * uniforms)
+BOOL LLGLSLShader::mapUniforms(const vector<LLStaticHashedString> * uniforms)
 {
 	BOOL res = TRUE;
 	
@@ -1088,18 +1090,18 @@ void LLGLSLShader::uniformMatrix4fv(U32 index, U32 count, GLboolean transpose, c
 	}
 }
 
-GLint LLGLSLShader::getUniformLocation(const string& uniform)
+GLint LLGLSLShader::getUniformLocation(const LLStaticHashedString& uniform)
 {
 	GLint ret = -1;
 	if (mProgramObject > 0)
 	{
-		std::map<string, GLint>::iterator iter = mUniformMap.find(uniform);
+		LLStaticStringTable<GLint>::iterator iter = mUniformMap.find(uniform);
 		if (iter != mUniformMap.end())
 		{
 			if (gDebugGL)
 			{
 				stop_glerror();
-				if (iter->second != glGetUniformLocationARB(mProgramObject, uniform.c_str()))
+				if (iter->second != glGetUniformLocationARB(mProgramObject, uniform.String().c_str()))
 				{
 					llerrs << "Uniform does not match." << llendl;
 				}
@@ -1136,10 +1138,10 @@ GLint LLGLSLShader::getAttribLocation(U32 attrib)
 	}
 }
 
-void LLGLSLShader::uniform1i(const string& uniform, GLint v)
+void LLGLSLShader::uniform1i(const LLStaticHashedString& uniform, GLint v)
 {
 	GLint location = getUniformLocation(uniform);
-				
+
 	if (location >= 0)
 	{
 		std::map<GLint, LLVector4>::iterator iter = mValue.find(location);
@@ -1152,10 +1154,10 @@ void LLGLSLShader::uniform1i(const string& uniform, GLint v)
 	}
 }
 
-void LLGLSLShader::uniform1f(const string& uniform, GLfloat v)
+void LLGLSLShader::uniform1f(const LLStaticHashedString& uniform, GLfloat v)
 {
 	GLint location = getUniformLocation(uniform);
-				
+
 	if (location >= 0)
 	{
 		std::map<GLint, LLVector4>::iterator iter = mValue.find(location);
@@ -1168,10 +1170,10 @@ void LLGLSLShader::uniform1f(const string& uniform, GLfloat v)
 	}
 }
 
-void LLGLSLShader::uniform2f(const string& uniform, GLfloat x, GLfloat y)
+void LLGLSLShader::uniform2f(const LLStaticHashedString& uniform, GLfloat x, GLfloat y)
 {
 	GLint location = getUniformLocation(uniform);
-				
+
 	if (location >= 0)
 	{
 		std::map<GLint, LLVector4>::iterator iter = mValue.find(location);
@@ -1185,10 +1187,10 @@ void LLGLSLShader::uniform2f(const string& uniform, GLfloat x, GLfloat y)
 
 }
 
-void LLGLSLShader::uniform3f(const string& uniform, GLfloat x, GLfloat y, GLfloat z)
+void LLGLSLShader::uniform3f(const LLStaticHashedString& uniform, GLfloat x, GLfloat y, GLfloat z)
 {
 	GLint location = getUniformLocation(uniform);
-				
+
 	if (location >= 0)
 	{
 		std::map<GLint, LLVector4>::iterator iter = mValue.find(location);
@@ -1201,23 +1203,7 @@ void LLGLSLShader::uniform3f(const string& uniform, GLfloat x, GLfloat y, GLfloa
 	}
 }
 
-void LLGLSLShader::uniform4f(const string& uniform, GLfloat x, GLfloat y, GLfloat z, GLfloat w)
-{
-	GLint location = getUniformLocation(uniform);
-
-	if (location >= 0)
-	{
-		std::map<GLint, LLVector4>::iterator iter = mValue.find(location);
-		LLVector4 vec(x,y,z,w);
-		if (iter == mValue.end() || shouldChange(iter->second,vec))
-		{
-			glUniform4fARB(location, x,y,z,w);
-			mValue[location] = vec;
-		}
-	}
-}
-
-void LLGLSLShader::uniform1fv(const string& uniform, U32 count, const GLfloat* v)
+void LLGLSLShader::uniform1fv(const LLStaticHashedString& uniform, U32 count, const GLfloat* v)
 {
 	GLint location = getUniformLocation(uniform);
 
@@ -1233,10 +1219,10 @@ void LLGLSLShader::uniform1fv(const string& uniform, U32 count, const GLfloat* v
 	}
 }
 
-void LLGLSLShader::uniform2fv(const string& uniform, U32 count, const GLfloat* v)
+void LLGLSLShader::uniform2fv(const LLStaticHashedString& uniform, U32 count, const GLfloat* v)
 {
 	GLint location = getUniformLocation(uniform);
-				
+
 	if (location >= 0)
 	{
 		std::map<GLint, LLVector4>::iterator iter = mValue.find(location);
@@ -1249,10 +1235,10 @@ void LLGLSLShader::uniform2fv(const string& uniform, U32 count, const GLfloat* v
 	}
 }
 
-void LLGLSLShader::uniform3fv(const string& uniform, U32 count, const GLfloat* v)
+void LLGLSLShader::uniform3fv(const LLStaticHashedString& uniform, U32 count, const GLfloat* v)
 {
 	GLint location = getUniformLocation(uniform);
-				
+
 	if (location >= 0)
 	{
 		std::map<GLint, LLVector4>::iterator iter = mValue.find(location);
@@ -1265,7 +1251,7 @@ void LLGLSLShader::uniform3fv(const string& uniform, U32 count, const GLfloat* v
 	}
 }
 
-void LLGLSLShader::uniform4fv(const string& uniform, U32 count, const GLfloat* v)
+void LLGLSLShader::uniform4fv(const LLStaticHashedString& uniform, U32 count, const GLfloat* v)
 {
 	GLint location = getUniformLocation(uniform);
 
@@ -1283,27 +1269,7 @@ void LLGLSLShader::uniform4fv(const string& uniform, U32 count, const GLfloat* v
 	}
 }
 
-void LLGLSLShader::uniformMatrix2fv(const string& uniform, U32 count, GLboolean transpose, const GLfloat* v)
-{
-	GLint location = getUniformLocation(uniform);
-				
-	if (location >= 0)
-	{
-		glUniformMatrix2fvARB(location, count, transpose, v);
-	}
-}
-
-void LLGLSLShader::uniformMatrix3fv(const string& uniform, U32 count, GLboolean transpose, const GLfloat* v)
-{
-	GLint location = getUniformLocation(uniform);
-				
-	if (location >= 0)
-	{
-		glUniformMatrix3fvARB(location, count, transpose, v);
-	}
-}
-
-void LLGLSLShader::uniformMatrix4fv(const string& uniform, U32 count, GLboolean transpose, const GLfloat* v)
+void LLGLSLShader::uniformMatrix4fv(const LLStaticHashedString& uniform, U32 count, GLboolean transpose, const GLfloat* v)
 {
 	GLint location = getUniformLocation(uniform);
 				
diff --git a/indra/llrender/llglslshader.h b/indra/llrender/llglslshader.h
index 3c775cde27..22f91cd6a2 100755
--- a/indra/llrender/llglslshader.h
+++ b/indra/llrender/llglslshader.h
@@ -29,6 +29,7 @@
 
 #include "llgl.h"
 #include "llrender.h"
+#include "llstaticstringtable.h"
 
 class LLShaderFeatures
 {
@@ -90,16 +91,16 @@ public:
 	void placeProfileQuery();
 	void readProfileQuery(U32 count, U32 mode);
 
-	BOOL createShader(std::vector<std::string> * attributes,
-						std::vector<std::string> * uniforms,
+	BOOL createShader(std::vector<LLStaticHashedString> * attributes,
+						std::vector<LLStaticHashedString> * uniforms,
 						U32 varying_count = 0,
 						const char** varyings = NULL);
 	BOOL attachObject(std::string object);
 	void attachObject(GLhandleARB object);
 	void attachObjects(GLhandleARB* objects = NULL, S32 count = 0);
-	BOOL mapAttributes(const std::vector<std::string> * attributes);
-	BOOL mapUniforms(const std::vector<std::string> * uniforms);
-	void mapUniform(GLint index, const std::vector<std::string> * uniforms);
+	BOOL mapAttributes(const std::vector<LLStaticHashedString> * attributes);
+	BOOL mapUniforms(const std::vector<LLStaticHashedString> *);
+	void mapUniform(GLint index, const std::vector<LLStaticHashedString> *);
 	void uniform1i(U32 index, GLint i);
 	void uniform1f(U32 index, GLfloat v);
 	void uniform2f(U32 index, GLfloat x, GLfloat y);
@@ -110,29 +111,26 @@ public:
 	void uniform2fv(U32 index, U32 count, const GLfloat* v);
 	void uniform3fv(U32 index, U32 count, const GLfloat* v);
 	void uniform4fv(U32 index, U32 count, const GLfloat* v);
-	void uniform1i(const std::string& uniform, GLint i);
-	void uniform1f(const std::string& uniform, GLfloat v);
-	void uniform2f(const std::string& uniform, GLfloat x, GLfloat y);
-	void uniform3f(const std::string& uniform, GLfloat x, GLfloat y, GLfloat z);
-	void uniform4f(const std::string& uniform, GLfloat x, GLfloat y, GLfloat z, GLfloat w);
-	void uniform1iv(const std::string& uniform, U32 count, const GLint* i);
-	void uniform1fv(const std::string& uniform, U32 count, const GLfloat* v);
-	void uniform2fv(const std::string& uniform, U32 count, const GLfloat* v);
-	void uniform3fv(const std::string& uniform, U32 count, const GLfloat* v);
-	void uniform4fv(const std::string& uniform, U32 count, const GLfloat* v);
 	void uniformMatrix2fv(U32 index, U32 count, GLboolean transpose, const GLfloat *v);
 	void uniformMatrix3fv(U32 index, U32 count, GLboolean transpose, const GLfloat *v);
 	void uniformMatrix4fv(U32 index, U32 count, GLboolean transpose, const GLfloat *v);
-	void uniformMatrix2fv(const std::string& uniform, U32 count, GLboolean transpose, const GLfloat *v);
-	void uniformMatrix3fv(const std::string& uniform, U32 count, GLboolean transpose, const GLfloat *v);
-	void uniformMatrix4fv(const std::string& uniform, U32 count, GLboolean transpose, const GLfloat *v);
+	void uniform1i(const LLStaticHashedString& uniform, GLint i);
+	void uniform1f(const LLStaticHashedString& uniform, GLfloat v);
+	void uniform2f(const LLStaticHashedString& uniform, GLfloat x, GLfloat y);
+	void uniform3f(const LLStaticHashedString& uniform, GLfloat x, GLfloat y, GLfloat z);
+	void uniform1fv(const LLStaticHashedString& uniform, U32 count, const GLfloat* v);
+	void uniform2fv(const LLStaticHashedString& uniform, U32 count, const GLfloat* v);
+	void uniform3fv(const LLStaticHashedString& uniform, U32 count, const GLfloat* v);
+	void uniform4fv(const LLStaticHashedString& uniform, U32 count, const GLfloat* v);
+	void uniformMatrix4fv(const LLStaticHashedString& uniform, U32 count, GLboolean transpose, const GLfloat *v);
 
 	void setMinimumAlpha(F32 minimum);
 
 	void vertexAttrib4f(U32 index, GLfloat x, GLfloat y, GLfloat z, GLfloat w);
 	void vertexAttrib4fv(U32 index, GLfloat* v);
 	
-	GLint getUniformLocation(const std::string& uniform);
+	//GLint getUniformLocation(const std::string& uniform);
+	GLint getUniformLocation(const LLStaticHashedString& uniform);	
 	GLint getUniformLocation(U32 index);
 
 	GLint getAttribLocation(U32 attrib);
@@ -169,7 +167,7 @@ public:
 	std::vector<GLint> mAttribute; //lookup table of attribute enum to attribute channel
 	U32 mAttributeMask;  //mask of which reserved attributes are set (lines up with LLVertexBuffer::getTypeMask())
 	std::vector<GLint> mUniform;   //lookup table of uniform enum to uniform location
-	std::map<std::string, GLint> mUniformMap;  //lookup map of uniform name to uniform location
+	LLStaticStringTable<GLint> mUniformMap; //lookup map of uniform name to uniform location
 	std::map<GLint, LLVector4> mValue; //lookup map of uniform location to last known value
 	std::vector<GLint> mTexture;
 	S32 mTotalUniformSize;
diff --git a/indra/llrender/llimagegl.cpp b/indra/llrender/llimagegl.cpp
index 38764eba23..6a37d31415 100755
--- a/indra/llrender/llimagegl.cpp
+++ b/indra/llrender/llimagegl.cpp
@@ -715,9 +715,9 @@ void LLImageGL::setImage(const U8* data_in, BOOL data_hasmips)
 
 					mMipLevels = wpo2(llmax(w, h));
 
-					//use legacy mipmap generation mode
+					//use legacy mipmap generation mode (note: making this condional can cause rendering issues)
 					glTexParameteri(mTarget, GL_GENERATE_MIPMAP, GL_TRUE);
-					
+
 					LLImageGL::setManualImage(mTarget, 0, mFormatInternal,
 								 w, h, 
 								 mFormatPrimary, mFormatType,
@@ -1089,6 +1089,16 @@ void LLImageGL::generateTextures(LLTexUnit::eTextureType type, U32 format, S32 n
 	LLFastTimer t(FTM_GENERATE_TEXTURES);
 	bool empty = true;
 
+	if (LLRender::sGLCoreProfile)
+	{
+		switch (format)
+		{
+			case GL_LUMINANCE8: format = GL_RGB8; break;
+			case GL_LUMINANCE8_ALPHA8:
+			case GL_ALPHA8: format = GL_RGBA8; break;
+		}
+	}
+
 	dead_texturelist_t::iterator iter = sDeadTextureList[type].find(format);
 	
 	if (iter != sDeadTextureList[type].end())
diff --git a/indra/llrender/llpostprocess.cpp b/indra/llrender/llpostprocess.cpp
index c0045c8044..4c36185b08 100755
--- a/indra/llrender/llpostprocess.cpp
+++ b/indra/llrender/llpostprocess.cpp
@@ -31,6 +31,21 @@
 #include "llsdserialize.h"
 #include "llrender.h"
 
+static LLStaticHashedString sRenderTexture("RenderTexture");
+static LLStaticHashedString sBrightness("brightness");
+static LLStaticHashedString sContrast("contrast");
+static LLStaticHashedString sContrastBase("contrastBase");
+static LLStaticHashedString sSaturation("saturation");
+static LLStaticHashedString sLumWeights("lumWeights");
+static LLStaticHashedString sNoiseTexture("NoiseTexture");
+static LLStaticHashedString sBrightMult("brightMult");
+static LLStaticHashedString sNoiseStrength("noiseStrength");
+static LLStaticHashedString sExtractLow("extractLow");
+static LLStaticHashedString sExtractHigh("extractHigh");
+static LLStaticHashedString sBloomStrength("bloomStrength");
+static LLStaticHashedString sTexelSize("texelSize");
+static LLStaticHashedString sBlurDirection("blurDirection");
+static LLStaticHashedString sBlurWidth("blurWidth");
 
 LLPostProcess * gPostProcess = NULL;
 
@@ -258,12 +273,12 @@ void LLPostProcess::applyColorFilterShader(void)
 void LLPostProcess::createColorFilterShader(void)
 {
 	/// Define uniform names
-	colorFilterUniforms["RenderTexture"] = 0;
-	colorFilterUniforms["brightness"] = 0;
-	colorFilterUniforms["contrast"] = 0;
-	colorFilterUniforms["contrastBase"] = 0;
-	colorFilterUniforms["saturation"] = 0;
-	colorFilterUniforms["lumWeights"] = 0;
+	colorFilterUniforms[sRenderTexture] = 0;
+	colorFilterUniforms[sBrightness] = 0;
+	colorFilterUniforms[sContrast] = 0;
+	colorFilterUniforms[sContrastBase] = 0;
+	colorFilterUniforms[sSaturation] = 0;
+	colorFilterUniforms[sLumWeights] = 0;
 }
 
 void LLPostProcess::applyNightVisionShader(void)
@@ -307,11 +322,11 @@ void LLPostProcess::applyNightVisionShader(void)
 void LLPostProcess::createNightVisionShader(void)
 {
 	/// Define uniform names
-	nightVisionUniforms["RenderTexture"] = 0;
-	nightVisionUniforms["NoiseTexture"] = 0;
-	nightVisionUniforms["brightMult"] = 0;	
-	nightVisionUniforms["noiseStrength"] = 0;
-	nightVisionUniforms["lumWeights"] = 0;	
+	nightVisionUniforms[sRenderTexture] = 0;
+	nightVisionUniforms[sNoiseTexture] = 0;
+	nightVisionUniforms[sBrightMult] = 0;	
+	nightVisionUniforms[sNoiseStrength] = 0;
+	nightVisionUniforms[sLumWeights] = 0;	
 
 	createNoiseTexture(mNoiseTexture);
 }
@@ -326,25 +341,25 @@ void LLPostProcess::createBloomShader(void)
 	createTexture(mTempBloomTexture, unsigned(screenW * 0.5), unsigned(screenH * 0.5));
 
 	/// Create Bloom Extract Shader
-	bloomExtractUniforms["RenderTexture"] = 0;
-	bloomExtractUniforms["extractLow"] = 0;
-	bloomExtractUniforms["extractHigh"] = 0;	
-	bloomExtractUniforms["lumWeights"] = 0;	
+	bloomExtractUniforms[sRenderTexture] = 0;
+	bloomExtractUniforms[sExtractLow] = 0;
+	bloomExtractUniforms[sExtractHigh] = 0;	
+	bloomExtractUniforms[sLumWeights] = 0;	
 	
 	/// Create Bloom Blur Shader
-	bloomBlurUniforms["RenderTexture"] = 0;
-	bloomBlurUniforms["bloomStrength"] = 0;	
-	bloomBlurUniforms["texelSize"] = 0;
-	bloomBlurUniforms["blurDirection"] = 0;
-	bloomBlurUniforms["blurWidth"] = 0;
+	bloomBlurUniforms[sRenderTexture] = 0;
+	bloomBlurUniforms[sBloomStrength] = 0;	
+	bloomBlurUniforms[sTexelSize] = 0;
+	bloomBlurUniforms[sBlurDirection] = 0;
+	bloomBlurUniforms[sBlurWidth] = 0;
 }
 
 void LLPostProcess::getShaderUniforms(glslUniforms & uniforms, GLhandleARB & prog)
 {
 	/// Find uniform locations and insert into map	
-	std::map<const char *, GLuint>::iterator i;
+	glslUniforms::iterator i;
 	for (i  = uniforms.begin(); i != uniforms.end(); ++i){
-		i->second = glGetUniformLocationARB(prog, i->first);
+		i->second = glGetUniformLocationARB(prog, i->first.String().c_str());
 	}
 }
 
diff --git a/indra/llrender/llpostprocess.h b/indra/llrender/llpostprocess.h
index e19de44c60..ce17b6693d 100755
--- a/indra/llrender/llpostprocess.h
+++ b/indra/llrender/llpostprocess.h
@@ -31,6 +31,7 @@
 #include <fstream>
 #include "llgl.h"
 #include "llglheaders.h"
+#include "llstaticstringtable.h"
 
 class LLPostProcess 
 {
@@ -44,7 +45,7 @@ public:
 	} QuadType;
 
 	/// GLSL Shader Encapsulation Struct
-	typedef std::map<const char *, GLuint> glslUniforms;
+	typedef LLStaticStringTable<GLuint> glslUniforms;
 
 	struct PostProcessTweaks : public LLSD {
 		inline PostProcessTweaks() : LLSD(LLSD::emptyMap())
diff --git a/indra/llrender/llrender.cpp b/indra/llrender/llrender.cpp
index c60eb8d9d9..18ca5b35f0 100755
--- a/indra/llrender/llrender.cpp
+++ b/indra/llrender/llrender.cpp
@@ -225,26 +225,15 @@ void LLTexUnit::disable(void)
 bool LLTexUnit::bind(LLTexture* texture, bool for_rendering, bool forceBind)
 {
 	stop_glerror();
-	if (mIndex < 0) return false;
-
+	if (mIndex >= 0)
+	{
 	gGL.flush();
 
 	LLImageGL* gl_tex = NULL ;
-	if (texture == NULL || !(gl_tex = texture->getGLTexture()))
+		if (texture != NULL && (gl_tex = texture->getGLTexture()))
 	{
-		llwarns << "NULL LLTexUnit::bind texture" << llendl;
-		return false;
-	}
-
-	if (!gl_tex->getTexName()) //if texture does not exist
+			if (gl_tex->getTexName()) //if texture exists
 	{
-		//if deleted, will re-generate it immediately
-		texture->forceImmediateUpdate() ;
-
-		gl_tex->forceUpdateBindStats() ;
-		return texture->bindDefaultImage(mIndex);
-	}
-
 	//in audit, replace the selected texture by the default one.
 	if ((mCurrTexture != gl_tex->getTexName()) || forceBind)
 	{
@@ -265,6 +254,27 @@ bool LLTexUnit::bind(LLTexture* texture, bool for_rendering, bool forceBind)
 			setTextureFilteringOption(gl_tex->mFilterOption);
 		}
 	}
+			}
+			else
+			{
+				//if deleted, will re-generate it immediately
+				texture->forceImmediateUpdate() ;
+
+				gl_tex->forceUpdateBindStats() ;
+				return texture->bindDefaultImage(mIndex);
+			}
+		}
+		else
+		{
+			llwarns << "NULL LLTexUnit::bind texture" << llendl;
+			return false;
+		}
+	}
+	else
+	{ // mIndex < 0
+		return false;
+	}
+
 	return true;
 }
 
@@ -1058,6 +1068,16 @@ LLRender::~LLRender()
 
 void LLRender::init()
 {
+	if (sGLCoreProfile && !LLVertexBuffer::sUseVAO)
+	{ //bind a dummy vertex array object so we're core profile compliant
+#ifdef GL_ARB_vertex_array_object
+		U32 ret;
+		glGenVertexArrays(1, &ret);
+		glBindVertexArray(ret);
+#endif
+	}
+
+
 	llassert_always(mBuffer.isNull()) ;
 	stop_glerror();
 	mBuffer = new LLVertexBuffer(immediate_mask, 0);
@@ -2280,6 +2300,22 @@ void LLRender::diffuseColor4ubv(const U8* c)
 	}
 }
 
+void LLRender::diffuseColor4ub(U8 r, U8 g, U8 b, U8 a)
+{
+	LLGLSLShader* shader = LLGLSLShader::sCurBoundShaderPtr;
+	llassert(!LLGLSLShader::sNoFixedFunction || shader != NULL);
+
+	if (shader)
+	{
+		shader->uniform4f(LLShaderMgr::DIFFUSE_COLOR, r/255.f, g/255.f, b/255.f, a/255.f);
+	}
+	else
+	{
+		glColor4ub(r,g,b,a);
+	}
+}
+
+
 void LLRender::debugTexUnits(void)
 {
 	LL_INFOS("TextureUnit") << "Active TexUnit: " << mCurrTextureUnitIndex << LL_ENDL;
diff --git a/indra/llrender/llrender.h b/indra/llrender/llrender.h
index 98222939e7..42b02a8159 100755
--- a/indra/llrender/llrender.h
+++ b/indra/llrender/llrender.h
@@ -396,6 +396,7 @@ public:
 	void diffuseColor4f(F32 r, F32 g, F32 b, F32 a);
 	void diffuseColor4fv(const F32* c);
 	void diffuseColor4ubv(const U8* c);
+	void diffuseColor4ub(U8 r, U8 g, U8 b, U8 a);
 
 	void vertexBatchPreTransformed(LLVector3* verts, S32 vert_count);
 	void vertexBatchPreTransformed(LLVector3* verts, LLVector2* uvs, S32 vert_count);
diff --git a/indra/llrender/llrendertarget.cpp b/indra/llrender/llrendertarget.cpp
index 25109268e8..4a4f6a7a2f 100755
--- a/indra/llrender/llrendertarget.cpp
+++ b/indra/llrender/llrendertarget.cpp
@@ -458,6 +458,12 @@ U32 LLRenderTarget::getTexture(U32 attachment) const
 	return mTex[attachment];
 }
 
+U32 LLRenderTarget::getNumTextures() const
+{
+	return mTex.size();
+}
+
+
 void LLRenderTarget::bindTexture(U32 index, S32 channel)
 {
 	gGL.getTexUnit(channel)->bindManual(mUsage, getTexture(index));
diff --git a/indra/llrender/llrendertarget.h b/indra/llrender/llrendertarget.h
index 765a727b5b..a7bc4e1385 100755
--- a/indra/llrender/llrendertarget.h
+++ b/indra/llrender/llrendertarget.h
@@ -112,6 +112,7 @@ public:
 	LLTexUnit::eTextureType getUsage(void) const { return mUsage; }
 
 	U32 getTexture(U32 attachment = 0) const;
+	U32 getNumTextures() const;
 
 	U32 getDepth(void) const { return mDepth; }
 	bool hasStencil() const { return mStencil; }
diff --git a/indra/llrender/llshadermgr.cpp b/indra/llrender/llshadermgr.cpp
index fea4ee2819..d1afd2ed28 100755
--- a/indra/llrender/llshadermgr.cpp
+++ b/indra/llrender/llshadermgr.cpp
@@ -993,7 +993,9 @@ void LLShaderMgr::initAttribsAndUniforms()
 	mReservedUniforms.push_back("texture_matrix1");
 	mReservedUniforms.push_back("texture_matrix2");
 	mReservedUniforms.push_back("texture_matrix3");
-	llassert(mReservedUniforms.size() == LLShaderMgr::TEXTURE_MATRIX3+1);
+	mReservedUniforms.push_back("object_plane_s");
+	mReservedUniforms.push_back("object_plane_t");
+	llassert(mReservedUniforms.size() == LLShaderMgr::OBJECT_PLANE_T+1);
 
 	mReservedUniforms.push_back("viewport");
 
@@ -1142,6 +1144,46 @@ void LLShaderMgr::initAttribsAndUniforms()
 	mReservedUniforms.push_back("specular_color");
 	mReservedUniforms.push_back("env_intensity");
 
+	mReservedUniforms.push_back("matrixPalette");
+	
+	mReservedUniforms.push_back("screenTex");
+	mReservedUniforms.push_back("screenDepth");
+	mReservedUniforms.push_back("refTex");
+	mReservedUniforms.push_back("eyeVec");
+	mReservedUniforms.push_back("time");
+	mReservedUniforms.push_back("d1");
+	mReservedUniforms.push_back("d2");
+	mReservedUniforms.push_back("lightDir");
+	mReservedUniforms.push_back("specular");
+	mReservedUniforms.push_back("lightExp");
+	mReservedUniforms.push_back("waterFogColor");
+	mReservedUniforms.push_back("waterFogDensity");
+	mReservedUniforms.push_back("waterFogKS");
+	mReservedUniforms.push_back("refScale");
+	mReservedUniforms.push_back("waterHeight");
+	mReservedUniforms.push_back("waterPlane");
+	mReservedUniforms.push_back("normScale");
+	mReservedUniforms.push_back("fresnelScale");
+	mReservedUniforms.push_back("fresnelOffset");
+	mReservedUniforms.push_back("blurMultiplier");
+	mReservedUniforms.push_back("sunAngle");
+	mReservedUniforms.push_back("scaledAngle");
+	mReservedUniforms.push_back("sunAngle2");
+	
+	mReservedUniforms.push_back("camPosLocal");
+
+	mReservedUniforms.push_back("gWindDir");
+	mReservedUniforms.push_back("gSinWaveParams");
+	mReservedUniforms.push_back("gGravity");
+
+	mReservedUniforms.push_back("detail_0");
+	mReservedUniforms.push_back("detail_1");
+	mReservedUniforms.push_back("detail_2");
+	mReservedUniforms.push_back("detail_3");
+	mReservedUniforms.push_back("alpha_ramp");
+
+	mReservedUniforms.push_back("origin");
+
 	llassert(mReservedUniforms.size() == END_RESERVED_UNIFORMS);
 
 	std::set<std::string> dupe_check;
diff --git a/indra/llrender/llshadermgr.h b/indra/llrender/llshadermgr.h
index c049e935b8..ba781036eb 100755
--- a/indra/llrender/llshadermgr.h
+++ b/indra/llrender/llshadermgr.h
@@ -47,6 +47,8 @@ public:
 		TEXTURE_MATRIX1,
 		TEXTURE_MATRIX2,
 		TEXTURE_MATRIX3,
+		OBJECT_PLANE_S,
+		OBJECT_PLANE_T,
 		VIEWPORT,
 		LIGHT_POSITION,
 		LIGHT_DIRECTION,
@@ -172,7 +174,48 @@ public:
 		SPECULAR_COLOR,
 		ENVIRONMENT_INTENSITY,
 		
+		AVATAR_MATRIX,
+
+		WATER_SCREENTEX,
+		WATER_SCREENDEPTH,
+		WATER_REFTEX,
+		WATER_EYEVEC,
+		WATER_TIME,
+		WATER_WAVE_DIR1,
+		WATER_WAVE_DIR2,
+		WATER_LIGHT_DIR,
+		WATER_SPECULAR,
+		WATER_SPECULAR_EXP,
+		WATER_FOGCOLOR,
+		WATER_FOGDENSITY,
+		WATER_FOGKS,
+		WATER_REFSCALE,
+		WATER_WATERHEIGHT,
+		WATER_WATERPLANE,
+		WATER_NORM_SCALE,
+		WATER_FRESNEL_SCALE,
+		WATER_FRESNEL_OFFSET,
+		WATER_BLUR_MULTIPLIER,
+		WATER_SUN_ANGLE,
+		WATER_SCALED_ANGLE,
+		WATER_SUN_ANGLE2,
+		
+		WL_CAMPOSLOCAL,
+
+		AVATAR_WIND,
+		AVATAR_SINWAVE,
+		AVATAR_GRAVITY,
+
+		TERRAIN_DETAIL0,
+		TERRAIN_DETAIL1,
+		TERRAIN_DETAIL2,
+		TERRAIN_DETAIL3,
+		TERRAIN_ALPHARAMP,
+		
+		SHINY_ORIGIN,
+
 		END_RESERVED_UNIFORMS
+
 	} eGLSLReservedUniforms;
 
 	// singleton pattern implementation
diff --git a/indra/llrender/llvertexbuffer.cpp b/indra/llrender/llvertexbuffer.cpp
index 01541026b1..83ea6fabbb 100755
--- a/indra/llrender/llvertexbuffer.cpp
+++ b/indra/llrender/llvertexbuffer.cpp
@@ -85,6 +85,7 @@ const U32 LL_VBO_POOL_SEED_COUNT = vbo_block_index(LL_VBO_POOL_MAX_SEED_SIZE);
 //static
 LLVBOPool LLVertexBuffer::sStreamVBOPool(GL_STREAM_DRAW_ARB, GL_ARRAY_BUFFER_ARB);
 LLVBOPool LLVertexBuffer::sDynamicVBOPool(GL_DYNAMIC_DRAW_ARB, GL_ARRAY_BUFFER_ARB);
+LLVBOPool LLVertexBuffer::sDynamicCopyVBOPool(GL_DYNAMIC_COPY_ARB, GL_ARRAY_BUFFER_ARB);
 LLVBOPool LLVertexBuffer::sStreamIBOPool(GL_STREAM_DRAW_ARB, GL_ELEMENT_ARRAY_BUFFER_ARB);
 LLVBOPool LLVertexBuffer::sDynamicIBOPool(GL_DYNAMIC_DRAW_ARB, GL_ELEMENT_ARRAY_BUFFER_ARB);
 
@@ -199,7 +200,10 @@ volatile U8* LLVBOPool::allocate(U32& name, U32 size, bool for_seed)
 		if (LLVertexBuffer::sDisableVBOMapping || mUsage != GL_DYNAMIC_DRAW_ARB)
 		{
 			glBufferDataARB(mType, size, 0, mUsage);
-			ret = (U8*) ll_aligned_malloc_16(size);
+			if (mUsage != GL_DYNAMIC_COPY_ARB)
+			{ //data will be provided by application
+				ret = (U8*) ll_aligned_malloc(size, 64);
+			}
 		}
 		else
 		{ //always use a true hint of static draw when allocating non-client-backed buffers
@@ -252,7 +256,7 @@ void LLVBOPool::release(U32 name, volatile U8* buffer, U32 size)
 	llassert(vbo_block_size(size) == size);
 
 	deleteBuffer(name);
-	ll_aligned_free_16((U8*) buffer);
+	ll_aligned_free((U8*) buffer);
 
 	if (mType == GL_ARRAY_BUFFER_ARB)
 	{
@@ -306,7 +310,7 @@ void LLVBOPool::cleanup()
 			
 			if (r.mClientData)
 			{
-				ll_aligned_free_16((void*) r.mClientData);
+				ll_aligned_free((void*) r.mClientData);
 			}
 
 			l.pop_front();
@@ -412,6 +416,7 @@ void LLVertexBuffer::seedPools()
 {
 	sStreamVBOPool.seedPool();
 	sDynamicVBOPool.seedPool();
+	sDynamicCopyVBOPool.seedPool();
 	sStreamIBOPool.seedPool();
 	sDynamicIBOPool.seedPool();
 }
@@ -910,6 +915,7 @@ void LLVertexBuffer::cleanupClass()
 	sDynamicIBOPool.cleanup();
 	sStreamVBOPool.cleanup();
 	sDynamicVBOPool.cleanup();
+	sDynamicCopyVBOPool.cleanup();
 
 	if(sPrivatePoolp)
 	{
@@ -946,13 +952,16 @@ S32 LLVertexBuffer::determineUsage(S32 usage)
 	
 	if (ret_usage && ret_usage != GL_STREAM_DRAW_ARB)
 	{ //only stream_draw and dynamic_draw are supported when using VBOs, dynamic draw is the default
-		if (sDisableVBOMapping)
-		{ //always use stream draw if VBO mapping is disabled
-			ret_usage = GL_STREAM_DRAW_ARB;
-		}
-		else
+		if (ret_usage != GL_DYNAMIC_COPY_ARB)
 		{
-			ret_usage = GL_DYNAMIC_DRAW_ARB;
+			if (sDisableVBOMapping)
+			{ //always use stream draw if VBO mapping is disabled
+				ret_usage = GL_STREAM_DRAW_ARB;
+			}
+			else
+			{
+				ret_usage = GL_DYNAMIC_DRAW_ARB;
+			}
 		}
 	}
 	
@@ -1102,10 +1111,15 @@ void LLVertexBuffer::genBuffer(U32 size)
 	{
 		mMappedData = sStreamVBOPool.allocate(mGLBuffer, mSize);
 	}
-	else
+	else if (mUsage == GL_DYNAMIC_DRAW_ARB)
 	{
 		mMappedData = sDynamicVBOPool.allocate(mGLBuffer, mSize);
 	}
+	else
+	{
+		mMappedData = sDynamicCopyVBOPool.allocate(mGLBuffer, mSize);
+	}
+
 	
 	sGLCount++;
 }
@@ -1319,7 +1333,7 @@ void LLVertexBuffer::allocateBuffer(S32 nverts, S32 nindices, bool create)
 		//actually allocate space for the vertex buffer if using VBO mapping
 		flush();
 
-		if (gGLManager.mHasVertexArrayObject && useVBOs() && (LLRender::sGLCoreProfile || sUseVAO))
+		if (gGLManager.mHasVertexArrayObject && useVBOs() && (sUseVAO))
 		{
 #if GL_ARB_vertex_array_object
 			mGLArray = getVAOName();
@@ -1475,21 +1489,18 @@ bool LLVertexBuffer::useVBOs() const
 
 //----------------------------------------------------------------------------
 
-bool expand_region(LLVertexBuffer::MappedRegion& region, S32 index, S32 count)
+bool expand_region(LLVertexBuffer::MappedRegion& region, S32 start, S32 end)
 {
-	S32 end = index+count;
-	S32 region_end = region.mIndex+region.mCount;
-	
 	if (end < region.mIndex ||
-		index > region_end)
+		start > region.mEnd)
 	{ //gap exists, do not merge
 		return false;
 	}
 
-	S32 new_end = llmax(end, region_end);
-	S32 new_index = llmin(index, region.mIndex);
-	region.mIndex = new_index;
-	region.mCount = new_end-new_index;
+	region.mEnd = llmax(end, region.mEnd);
+	region.mIndex = llmin(start, region.mIndex);
+	region.mCount = region.mEnd-region.mIndex;
+
 	return true;
 }
 
@@ -1499,7 +1510,6 @@ static LLFastTimer::DeclareTimer FTM_VBO_MAP_BUFFER("VBO Map");
 // Map for data access
 volatile U8* LLVertexBuffer::mapVertexBuffer(S32 type, S32 index, S32 count, bool map_range)
 {
-	bindGLBuffer(true);
 	if (mFinal)
 	{
 		llerrs << "LLVertexBuffer::mapVeretxBuffer() called on a finalized buffer." << llendl;
@@ -1520,23 +1530,23 @@ volatile U8* LLVertexBuffer::mapVertexBuffer(S32 type, S32 index, S32 count, boo
 
 			bool mapped = false;
 			//see if range is already mapped
-			for (U32 i = 0; i < mMappedVertexRegions.size(); ++i)
+			S32 start_index = mOffsets[type]+index*sTypeSize[type];
+			S32 end_index = start_index+count*sTypeSize[type];
+
+			for (std::vector<MappedRegion>::iterator iter = mMappedVertexRegions.begin(), end = mMappedVertexRegions.end(); iter != end; ++iter)
 			{
-				MappedRegion& region = mMappedVertexRegions[i];
-				if (region.mType == type)
+				MappedRegion& region = *iter;
+				if (expand_region(region, index, end_index))
 				{
-					if (expand_region(region, index, count))
-					{
-						mapped = true;
-						break;
-					}
+					mapped = true;
+					break;
 				}
 			}
 
 			if (!mapped)
 			{
 				//not already mapped, map new region
-				MappedRegion region(type, mMappable && map_range ? -1 : index, count);
+				MappedRegion region(mMappable && map_range ? -1 : start_index, end_index-start_index);
 				mMappedVertexRegions.push_back(region);
 			}
 		}
@@ -1560,6 +1570,7 @@ volatile U8* LLVertexBuffer::mapVertexBuffer(S32 type, S32 index, S32 count, boo
 			{
 				volatile U8* src = NULL;
 				waitFence();
+				bindGLBuffer();
 				if (gGLManager.mHasMapBufferRange)
 				{
 					if (map_range)
@@ -1680,7 +1691,6 @@ static LLFastTimer::DeclareTimer FTM_VBO_MAP_INDEX("IBO Map");
 
 volatile U8* LLVertexBuffer::mapIndexBuffer(S32 index, S32 count, bool map_range)
 {
-	bindGLIndices(true);
 	if (mFinal)
 	{
 		llerrs << "LLVertexBuffer::mapIndexBuffer() called on a finalized buffer." << llendl;
@@ -1699,12 +1709,14 @@ volatile U8* LLVertexBuffer::mapIndexBuffer(S32 index, S32 count, bool map_range
 				count = mNumIndices-index;
 			}
 
+			S32 end = index+count;
+
 			bool mapped = false;
 			//see if range is already mapped
 			for (U32 i = 0; i < mMappedIndexRegions.size(); ++i)
 			{
 				MappedRegion& region = mMappedIndexRegions[i];
-				if (expand_region(region, index, count))
+				if (expand_region(region, index, end))
 				{
 					mapped = true;
 					break;
@@ -1714,7 +1726,7 @@ volatile U8* LLVertexBuffer::mapIndexBuffer(S32 index, S32 count, bool map_range
 			if (!mapped)
 			{
 				//not already mapped, map new region
-				MappedRegion region(TYPE_INDEX, mMappable && map_range ? -1 : index, count);
+				MappedRegion region(mMappable && map_range ? -1 : index, count);
 				mMappedIndexRegions.push_back(region);
 			}
 		}
@@ -1730,23 +1742,23 @@ volatile U8* LLVertexBuffer::mapIndexBuffer(S32 index, S32 count, bool map_range
 			sMappedCount++;
 			stop_glerror();	
 
-			if (gDebugGL && useVBOs())
-			{
-				GLint elem = 0;
-				glGetIntegerv(GL_ELEMENT_ARRAY_BUFFER_BINDING_ARB, &elem);
-
-				if (elem != mGLIndices)
-				{
-					llerrs << "Wrong index buffer bound!" << llendl;
-				}
-			}
-
 			if(!mMappable)
 			{
 				map_range = false;
 			}
 			else
 			{
+				bindGLIndices();
+				if (gDebugGL && useVBOs())
+				{
+					GLint elem = 0;
+					glGetIntegerv(GL_ELEMENT_ARRAY_BUFFER_BINDING_ARB, &elem);
+
+					if (elem != mGLIndices)
+					{
+						llerrs << "Wrong index buffer bound!" << llendl;
+					}
+				}
 				volatile U8* src = NULL;
 				waitFence();
 				if (gGLManager.mHasMapBufferRange)
@@ -1859,8 +1871,10 @@ void LLVertexBuffer::unmapBuffer()
 
 	if (mMappedData && mVertexLocked)
 	{
+		llassert(mUsage != GL_DYNAMIC_COPY_ARB);
+		
 		LLFastTimer t(FTM_VBO_UNMAP);
-		bindGLBuffer(true);
+		bindGLBuffer();
 		updated_all = mIndexLocked; //both vertex and index buffers done updating
 
 		if(!mMappable)
@@ -1871,8 +1885,8 @@ void LLVertexBuffer::unmapBuffer()
 				for (U32 i = 0; i < mMappedVertexRegions.size(); ++i)
 				{
 					const MappedRegion& region = mMappedVertexRegions[i];
-					S32 offset = region.mIndex >= 0 ? mOffsets[region.mType]+sTypeSize[region.mType]*region.mIndex : 0;
-					S32 length = sTypeSize[region.mType]*region.mCount;
+					S32 offset = region.mIndex;
+					S32 length = region.mCount;
 					glBufferSubDataARB(GL_ARRAY_BUFFER_ARB, offset, length, (U8*) mMappedData+offset);
 					stop_glerror();
 				}
@@ -1896,8 +1910,8 @@ void LLVertexBuffer::unmapBuffer()
 					for (U32 i = 0; i < mMappedVertexRegions.size(); ++i)
 					{
 						const MappedRegion& region = mMappedVertexRegions[i];
-						S32 offset = region.mIndex >= 0 ? mOffsets[region.mType]+sTypeSize[region.mType]*region.mIndex : 0;
-						S32 length = sTypeSize[region.mType]*region.mCount;
+						S32 offset = region.mIndex;
+						S32 length = region.mCount;
 						if (gGLManager.mHasMapBufferRange)
 						{
 							LLFastTimer t(FTM_VBO_FLUSH_RANGE);
@@ -2117,7 +2131,6 @@ bool LLVertexBuffer::bindGLArray()
 	if (mGLArray && sGLRenderArray != mGLArray)
 	{
 		{
-			LLFastTimer t(FTM_BIND_GL_ARRAY);
 #if GL_ARB_vertex_array_object
 			glBindVertexArray(mGLArray);
 #endif
@@ -2144,22 +2157,15 @@ bool LLVertexBuffer::bindGLBuffer(bool force_bind)
 
 	if (useVBOs() && (force_bind || (mGLBuffer && (mGLBuffer != sGLRenderBuffer || !sVBOActive))))
 	{
-		LLFastTimer t(FTM_BIND_GL_BUFFER);
-		/*if (sMapped)
-		{
-			llerrs << "VBO bound while another VBO mapped!" << llendl;
-		}*/
+		//LLFastTimer t(FTM_BIND_GL_BUFFER); <-- this timer is showing up as a hotspot (irony)
+		
 		glBindBufferARB(GL_ARRAY_BUFFER_ARB, mGLBuffer);
 		sGLRenderBuffer = mGLBuffer;
 		sBindCount++;
 		sVBOActive = true;
 
-		if (mGLArray)
-		{
-			llassert(sGLRenderArray == mGLArray);
-			//mCachedRenderBuffer = mGLBuffer;
-		}
-
+		llassert(!mGLArray || sGLRenderArray == mGLArray);
+		
 		ret = true;
 	}
 
@@ -2409,7 +2415,8 @@ void LLVertexBuffer::setupVertexBuffer(U32 data_mask)
 		if (data_mask & MAP_COLOR)
 		{
 			S32 loc = TYPE_COLOR;
-			void* ptr = (void*)(base + mOffsets[TYPE_COLOR]);
+			//bind emissive instead of color pointer if emissive is present
+			void* ptr = (data_mask & MAP_EMISSIVE) ? (void*)(base + mOffsets[TYPE_EMISSIVE]) : (void*)(base + mOffsets[TYPE_COLOR]);
 			glVertexAttribPointerARB(loc, 4, GL_UNSIGNED_BYTE, GL_TRUE, LLVertexBuffer::sTypeSize[TYPE_COLOR], ptr);
 		}
 		if (data_mask & MAP_EMISSIVE)
@@ -2417,6 +2424,12 @@ void LLVertexBuffer::setupVertexBuffer(U32 data_mask)
 			S32 loc = TYPE_EMISSIVE;
 			void* ptr = (void*)(base + mOffsets[TYPE_EMISSIVE]);
 			glVertexAttribPointerARB(loc, 4, GL_UNSIGNED_BYTE, GL_TRUE, LLVertexBuffer::sTypeSize[TYPE_EMISSIVE], ptr);
+
+			if (!(data_mask & MAP_COLOR))
+			{ //map emissive to color channel when color is not also being bound to avoid unnecessary shader swaps
+				loc = TYPE_COLOR;
+				glVertexAttribPointerARB(loc, 4, GL_UNSIGNED_BYTE, GL_TRUE, LLVertexBuffer::sTypeSize[TYPE_EMISSIVE], ptr);
+			}
 		}
 		if (data_mask & MAP_WEIGHT)
 		{
@@ -2499,11 +2512,10 @@ void LLVertexBuffer::setupVertexBuffer(U32 data_mask)
 	llglassertok();
 }
 
-LLVertexBuffer::MappedRegion::MappedRegion(S32 type, S32 index, S32 count)
-: mType(type), mIndex(index), mCount(count)
+LLVertexBuffer::MappedRegion::MappedRegion(S32 index, S32 count)
+: mIndex(index), mCount(count)
 { 
-	llassert(mType == LLVertexBuffer::TYPE_INDEX || 
-			mType < LLVertexBuffer::TYPE_TEXTURE_INDEX);
+	mEnd = mIndex+mCount;	
 }	
 
 
diff --git a/indra/llrender/llvertexbuffer.h b/indra/llrender/llvertexbuffer.h
index 04806c1d8c..b7597cf60e 100755
--- a/indra/llrender/llvertexbuffer.h
+++ b/indra/llrender/llvertexbuffer.h
@@ -104,11 +104,11 @@ public:
 	class MappedRegion
 	{
 	public:
-		S32 mType;
 		S32 mIndex;
 		S32 mCount;
+		S32 mEnd;
 		
-		MappedRegion(S32 type, S32 index, S32 count);
+		MappedRegion(S32 index, S32 count);
 	};
 
 	LLVertexBuffer(const LLVertexBuffer& rhs)
@@ -125,9 +125,10 @@ public:
 
 	static LLVBOPool sStreamVBOPool;
 	static LLVBOPool sDynamicVBOPool;
+	static LLVBOPool sDynamicCopyVBOPool;
 	static LLVBOPool sStreamIBOPool;
 	static LLVBOPool sDynamicIBOPool;
-
+	
 	static std::list<U32> sAvailableVAOName;
 	static U32 sCurVAOName;
 
diff --git a/indra/llui/llconsole.cpp b/indra/llui/llconsole.cpp
index c216d593a2..fdfaf284de 100755
--- a/indra/llui/llconsole.cpp
+++ b/indra/llui/llconsole.cpp
@@ -243,7 +243,6 @@ void LLConsole::draw()
 void LLConsole::Paragraph::makeParagraphColorSegments (const LLColor4 &color) 
 {
 	LLSD paragraph_color_segments;
-	
 	paragraph_color_segments[0]["text"] =wstring_to_utf8str(mParagraphText);
 	LLSD color_sd = color.getValue();
 	paragraph_color_segments[0]["color"]=color_sd;
diff --git a/indra/llui/llconsole.h b/indra/llui/llconsole.h
index f32f1dd74c..5ff05698b0 100755
--- a/indra/llui/llconsole.h
+++ b/indra/llui/llconsole.h
@@ -37,6 +37,7 @@ class LLSD;
 class LLConsole : public LLFixedBuffer, public LLUICtrl, public LLInstanceTracker<LLConsole>
 {
 public:
+
 	typedef enum e_font_size
 	{
 		MONOSPACE = -1,
diff --git a/indra/llui/llfloater.h b/indra/llui/llfloater.h
index 4dba1e645f..99d1d2614d 100755
--- a/indra/llui/llfloater.h
+++ b/indra/llui/llfloater.h
@@ -112,6 +112,8 @@ struct LLCoordFloater : LLCoord<LL_COORD_FLOATER>
 	bool operator!=(const LLCoordFloater& other) const { return !(*this == other); }
 
 	void setFloater(LLFloater& floater);
+
+	
 };
 
 class LLFloater : public LLPanel, public LLInstanceTracker<LLFloater>
@@ -121,6 +123,7 @@ class LLFloater : public LLPanel, public LLInstanceTracker<LLFloater>
 	friend class LLMultiFloater;
 
 public:
+
 	struct KeyCompare
 	{
 //		static bool compare(const LLSD& a, const LLSD& b);
diff --git a/indra/llui/llfolderviewitem.cpp b/indra/llui/llfolderviewitem.cpp
index fdb4108afb..fdb4108afb 100755..100644
--- a/indra/llui/llfolderviewitem.cpp
+++ b/indra/llui/llfolderviewitem.cpp
diff --git a/indra/llui/llfolderviewitem.h b/indra/llui/llfolderviewitem.h
index ca31931e19..ca31931e19 100755..100644
--- a/indra/llui/llfolderviewitem.h
+++ b/indra/llui/llfolderviewitem.h
diff --git a/indra/llui/llkeywords.cpp b/indra/llui/llkeywords.cpp
index 795dacdbb0..26d27d1f34 100755
--- a/indra/llui/llkeywords.cpp
+++ b/indra/llui/llkeywords.cpp
@@ -367,7 +367,6 @@ void LLKeywords::findSegments(std::vector<LLTextSegmentPtr>* seg_list, const LLW
 
 	const llwchar* base = wtext.c_str();
 	const llwchar* cur = base;
-
 	while( *cur )
 	{
 		if( *cur == '\n' || cur == base )
diff --git a/indra/llui/lllayoutstack.cpp b/indra/llui/lllayoutstack.cpp
index e33ac1d5c2..dff98f33b9 100755
--- a/indra/llui/lllayoutstack.cpp
+++ b/indra/llui/lllayoutstack.cpp
@@ -476,7 +476,6 @@ void LLLayoutStack::createResizeBar(LLLayoutPanel* panelp)
 		if (lp->mResizeBar == NULL)
 		{
 			LLResizeBar::Side side = (mOrientation == HORIZONTAL) ? LLResizeBar::RIGHT : LLResizeBar::BOTTOM;
-
 			LLResizeBar::Params resize_params;
 			resize_params.name("resize");
 			resize_params.resizing_view(lp);
@@ -864,3 +863,4 @@ void LLLayoutStack::updateResizeBarLimits()
 		previous_visible_panelp = visible_panelp;
 	}
 }
+
diff --git a/indra/llui/lllayoutstack.h b/indra/llui/lllayoutstack.h
index 02c664f1a0..8e330278af 100755
--- a/indra/llui/lllayoutstack.h
+++ b/indra/llui/lllayoutstack.h
@@ -38,6 +38,7 @@ class LLLayoutPanel;
 class LLLayoutStack : public LLView, public LLInstanceTracker<LLLayoutStack>
 {
 public:
+
 	typedef enum e_layout_orientation
 	{
 		HORIZONTAL,
diff --git a/indra/llui/llmodaldialog.h b/indra/llui/llmodaldialog.h
index 4e09d11d77..f81273b96a 100755
--- a/indra/llui/llmodaldialog.h
+++ b/indra/llui/llmodaldialog.h
@@ -40,7 +40,7 @@ class LLModalDialog : public LLFloater
 {
 public:
 	LLModalDialog( const LLSD& key, BOOL modal = true );
-	/*virtual*/ ~LLModalDialog();
+	virtual		~LLModalDialog();
 	
 	/*virtual*/ BOOL 	postBuild();
 	
diff --git a/indra/llui/llnotifications.h b/indra/llui/llnotifications.h
index 87573c2a56..cd3728305e 100755
--- a/indra/llui/llnotifications.h
+++ b/indra/llui/llnotifications.h
@@ -138,6 +138,7 @@ typedef LLFunctorRegistration<LLNotificationResponder> LLNotificationFunctorRegi
 class LLNotificationContext : public LLInstanceTracker<LLNotificationContext, LLUUID>
 {
 public:
+
 	LLNotificationContext() : LLInstanceTracker<LLNotificationContext, LLUUID>(LLUUID::generateNewID())
 	{
 	}
diff --git a/indra/llui/lltextbase.cpp b/indra/llui/lltextbase.cpp
index a45c4ced2e..df9ee4f4ca 100755
--- a/indra/llui/lltextbase.cpp
+++ b/indra/llui/lltextbase.cpp
@@ -2338,7 +2338,6 @@ S32 LLTextBase::getDocIndexFromLocalCoord( S32 local_x, S32 local_y, BOOL round,
 {
 	// Figure out which line we're nearest to.
 	LLRect doc_rect = mDocumentView->getRect();
-
 	S32 doc_y = local_y - doc_rect.mBottom;
 	
 	// binary search for line that starts before local_y
diff --git a/indra/llwindow/llwindow.h b/indra/llwindow/llwindow.h
index e9147d552e..78186004b8 100755
--- a/indra/llwindow/llwindow.h
+++ b/indra/llwindow/llwindow.h
@@ -42,6 +42,7 @@ class LLWindowCallbacks;
 class LLWindow : public LLInstanceTracker<LLWindow>
 {
 public:
+
 	struct LLWindowResolution
 	{
 		S32 mWidth;
diff --git a/indra/lscript/lscript_compile/indra.l b/indra/lscript/lscript_compile/indra.l
index 1c9f50202d..e7de5b6210 100755
--- a/indra/lscript/lscript_compile/indra.l
+++ b/indra/lscript/lscript_compile/indra.l
@@ -79,8 +79,8 @@ void parse_string();
 #define yyfree indra_free
 
 
-int yylex( void );
 int yyparse( void );
+int yylex( void );
 int yyerror(const char *fmt, ...);
 
 %}
@@ -235,6 +235,8 @@ int yyerror(const char *fmt, ...);
 "PERMISSION_TRACK_CAMERA"		{ count(); yylval.ival = LSCRIPTRunTimePermissionBits[SCRIPT_PERMISSION_TRACK_CAMERA]; return(INTEGER_CONSTANT); }
 "PERMISSION_CONTROL_CAMERA"		{ count(); yylval.ival = LSCRIPTRunTimePermissionBits[SCRIPT_PERMISSION_CONTROL_CAMERA]; return(INTEGER_CONSTANT); }
 "PERMISSION_TELEPORT"			{ count(); yylval.ival = LSCRIPTRunTimePermissionBits[SCRIPT_PERMISSION_TELEPORT]; return(INTEGER_CONSTANT); }
+"PERMISSION_SILENT_ESTATE_MANAGEMENT"   { count(); yylval.ival = LSCRIPTRunTimePermissionBits[SCRIPT_PERMISSION_SILENT_ESTATE_MANAGEMENT]; return(INTEGER_CONSTANT); }
+"PERMISSION_OVERRIDE_ANIMATIONS"    { count(); yylval.ival = LSCRIPTRunTimePermissionBits[SCRIPT_PERMISSION_OVERRIDE_ANIMATIONS]; return(INTEGER_CONSTANT); }
 
 "INVENTORY_TEXTURE"					{ count(); yylval.ival = LLAssetType::AT_TEXTURE; return(INTEGER_CONSTANT); }
 "INVENTORY_SOUND"					{ count(); yylval.ival = LLAssetType::AT_SOUND; return(INTEGER_CONSTANT); }
@@ -271,6 +273,24 @@ int yyerror(const char *fmt, ...);
 "OBJECT_OWNER"			{ count(); yylval.ival = OBJECT_OWNER; return(INTEGER_CONSTANT); }
 "OBJECT_GROUP"			{ count(); yylval.ival = OBJECT_GROUP; return(INTEGER_CONSTANT); }
 "OBJECT_CREATOR"		{ count(); yylval.ival = OBJECT_CREATOR; return(INTEGER_CONSTANT); }
+"OBJECT_RUNNING_SCRIPT_COUNT"	{ count(); yylval.ival = OBJECT_RUNNING_SCRIPT_COUNT; return(INTEGER_CONSTANT); }
+"OBJECT_TOTAL_SCRIPT_COUNT"		{ count(); yylval.ival = OBJECT_TOTAL_SCRIPT_COUNT; return(INTEGER_CONSTANT); }
+"OBJECT_SCRIPT_MEMORY"			{ count(); yylval.ival = OBJECT_SCRIPT_MEMORY; return(INTEGER_CONSTANT); }
+"OBJECT_SCRIPT_TIME"			{ count(); yylval.ival = OBJECT_SCRIPT_TIME; return(INTEGER_CONSTANT); }
+"OBJECT_PRIM_EQUIVALENCE"		{ count(); yylval.ival = OBJECT_PRIM_EQUIVALENCE; return(INTEGER_CONSTANT); }
+"OBJECT_SERVER_COST"			{ count(); yylval.ival = OBJECT_SERVER_COST; return(INTEGER_CONSTANT); }
+"OBJECT_STREAMING_COST"			{ count(); yylval.ival = OBJECT_STREAMING_COST; return(INTEGER_CONSTANT); }
+"OBJECT_PHYSICS_COST"			{ count(); yylval.ival = OBJECT_PHYSICS_COST; return(INTEGER_CONSTANT); }
+"OBJECT_CHARACTER_TIME"			{ count(); yylval.ival = OBJECT_CHARACTER_TIME; return(INTEGER_CONSTANT); }
+"OBJECT_ROOT"					{ count(); yylval.ival = OBJECT_ROOT; return(INTEGER_CONSTANT); }
+"OBJECT_ATTACHED_POINT"			{ count(); yylval.ival = OBJECT_ATTACHED_POINT; return(INTEGER_CONSTANT); }
+"OBJECT_PATHFINDING_TYPE"		{ count(); yylval.ival = OBJECT_PATHFINDING_TYPE; return(INTEGER_CONSTANT); }
+"OBJECT_PHYSICS"				{ count(); yylval.ival = OBJECT_PHYSICS; return(INTEGER_CONSTANT); }
+"OBJECT_PHANTOM"				{ count(); yylval.ival = OBJECT_PHANTOM; return(INTEGER_CONSTANT); }
+"OBJECT_TEMP_ON_REZ"			{ count(); yylval.ival = OBJECT_TEMP_ON_REZ; return(INTEGER_CONSTANT); }
+"OBJECT_RENDER_WEIGHT"			{ count(); yylval.ival = OBJECT_RENDER_WEIGHT; return(INTEGER_CONSTANT); }
+"OBJECT_ATTACHMENT_GEOMETRY_BYTES"		{ count(); yylval.ival = OBJECT_ATTACHMENT_GEOMETRY_BYTES; return(INTEGER_CONSTANT); }
+"OBJECT_ATTACHMENT_SURFACE_AREA"		{ count(); yylval.ival = OBJECT_ATTACHMENT_SURFACE_AREA; return(INTEGER_CONSTANT); }
 
 "TYPE_INTEGER"			{ count(); yylval.ival = LST_INTEGER; return(INTEGER_CONSTANT); }	
 "TYPE_FLOAT"			{ count(); yylval.ival = LST_FLOATINGPOINT; return(INTEGER_CONSTANT); }	
@@ -376,6 +396,10 @@ int yyerror(const char *fmt, ...);
 "PSYS_PART_END_SCALE"	{ count(); yylval.ival = LLPS_PART_END_SCALE; return (INTEGER_CONSTANT); }
 "PSYS_PART_MAX_AGE"		{ count(); yylval.ival = LLPS_PART_MAX_AGE; return (INTEGER_CONSTANT); }
 
+"PSYS_PART_BLEND_FUNC_SOURCE"	{ count(); yylval.ival = LLPS_PART_BLEND_FUNC_SOURCE; return (INTEGER_CONSTANT); }
+"PSYS_PART_BLEND_FUNC_DEST"		{ count(); yylval.ival = LLPS_PART_BLEND_FUNC_DEST; return (INTEGER_CONSTANT); }
+"PSYS_PART_START_GLOW"	{ count(); yylval.ival = LLPS_PART_START_GLOW; return (INTEGER_CONSTANT); }
+"PSYS_PART_END_GLOW"	{ count(); yylval.ival = LLPS_PART_END_GLOW; return (INTEGER_CONSTANT); }
 
 "PSYS_PART_WIND_MASK"				{ count(); yylval.ival = LLPartData::LL_PART_WIND_MASK; return(INTEGER_CONSTANT); }
 "PSYS_PART_INTERP_COLOR_MASK"		{ count(); yylval.ival = LLPartData::LL_PART_INTERP_COLOR_MASK; return(INTEGER_CONSTANT); }
@@ -386,6 +410,16 @@ int yyerror(const char *fmt, ...);
 "PSYS_PART_TARGET_POS_MASK"			{ count(); yylval.ival = LLPartData::LL_PART_TARGET_POS_MASK; return(INTEGER_CONSTANT); }
 "PSYS_PART_EMISSIVE_MASK"			{ count(); yylval.ival = LLPartData::LL_PART_EMISSIVE_MASK; return(INTEGER_CONSTANT); }
 "PSYS_PART_TARGET_LINEAR_MASK"		{ count(); yylval.ival = LLPartData::LL_PART_TARGET_LINEAR_MASK; return(INTEGER_CONSTANT); }
+"PSYS_PART_RIBBON_MASK"				{ count(); yylval.ival = LLPartData::LL_PART_RIBBON_MASK; return(INTEGER_CONSTANT); }
+
+"PSYS_PART_BF_ONE"						{ count(); yylval.ival = LLPartData::LL_PART_BF_ONE; return(INTEGER_CONSTANT); }
+"PSYS_PART_BF_ZERO"						{ count(); yylval.ival = LLPartData::LL_PART_BF_ZERO; return(INTEGER_CONSTANT); }
+"PSYS_PART_BF_DEST_COLOR"				{ count(); yylval.ival = LLPartData::LL_PART_BF_DEST_COLOR; return(INTEGER_CONSTANT); }
+"PSYS_PART_BF_SOURCE_COLOR"				{ count(); yylval.ival = LLPartData::LL_PART_BF_SOURCE_COLOR; return(INTEGER_CONSTANT); }
+"PSYS_PART_BF_ONE_MINUS_DEST_COLOR"		{ count(); yylval.ival = LLPartData::LL_PART_BF_ONE_MINUS_DEST_COLOR; return(INTEGER_CONSTANT); }
+"PSYS_PART_BF_ONE_MINUS_SOURCE_COLOR"	{ count(); yylval.ival = LLPartData::LL_PART_BF_ONE_MINUS_SOURCE_COLOR; return(INTEGER_CONSTANT); }
+"PSYS_PART_BF_SOURCE_ALPHA"				{ count(); yylval.ival = LLPartData::LL_PART_BF_SOURCE_ALPHA; return(INTEGER_CONSTANT); }
+"PSYS_PART_BF_ONE_MINUS_SOURCE_ALPHA"	{ count(); yylval.ival = LLPartData::LL_PART_BF_ONE_MINUS_SOURCE_ALPHA; return(INTEGER_CONSTANT); }
 
 
 "PSYS_SRC_MAX_AGE"					{ count(); yylval.ival = LLPS_SRC_MAX_AGE; return(INTEGER_CONSTANT); }
diff --git a/indra/lscript/lscript_execute/lscript_readlso.cpp b/indra/lscript/lscript_execute/lscript_readlso.cpp
index 8b41cb5a72..6384a57100 100755
--- a/indra/lscript/lscript_execute/lscript_readlso.cpp
+++ b/indra/lscript/lscript_execute/lscript_readlso.cpp
@@ -145,7 +145,6 @@ void LLScriptLSOParse::printGlobals(LLFILE *fp)
 		// get offset to skip past name
 		varoffset = global_v_offset;
 		bytestream2integer(mRawData, global_v_offset);
-		
 		// get typeexport
 		type = *(mRawData + global_v_offset++);
 
@@ -347,6 +346,7 @@ void LLScriptLSOParse::printStates(LLFILE *fp)
 				S32 temp_end;
 
 				opcode_end = worst_case_opcode_end;
+				(void)opcode_end;
 
 				for (k = LSTT_STATE_BEGIN; k < LSTT_STATE_END; k++)
 				{
diff --git a/indra/newview/CMakeLists.txt b/indra/newview/CMakeLists.txt
index d06cee5ee6..c4ceb80260 100755
--- a/indra/newview/CMakeLists.txt
+++ b/indra/newview/CMakeLists.txt
@@ -124,6 +124,7 @@ set(viewer_SOURCE_FILES
     llavatariconctrl.cpp
     llavatarlist.cpp
     llavatarlistitem.cpp
+    llavatarrenderinfoaccountant.cpp
     llavatarpropertiesprocessor.cpp
     llblockedlistitem.cpp
     llblocklist.cpp
@@ -708,6 +709,7 @@ set(viewer_HEADER_FILES
     llavatarlist.h
     llavatarlistitem.h
     llavatarpropertiesprocessor.h
+    llavatarrenderinfoaccountant.h
     llblockedlistitem.h
     llblocklist.h
     llbox.h
diff --git a/indra/newview/app_settings/keywords.ini b/indra/newview/app_settings/keywords.ini
index a87310955f..766c9a4604 100755
--- a/indra/newview/app_settings/keywords.ini
+++ b/indra/newview/app_settings/keywords.ini
@@ -132,6 +132,7 @@ PSYS_PART_FOLLOW_VELOCITY_MASK
 PSYS_PART_TARGET_POS_MASK
 PSYS_PART_EMISSIVE_MASK
 PSYS_PART_TARGET_LINEAR_MASK
+PSYS_PART_RIBBON_MASK
 
 PSYS_SRC_PATTERN
 PSYS_SRC_INNERANGLE	Deprecated -- Use PSYS_SRC_ANGLE_BEGIN
@@ -148,12 +149,24 @@ PSYS_SRC_ACCEL
 PSYS_SRC_TEXTURE
 PSYS_SRC_TARGET_KEY
 PSYS_SRC_OMEGA
+PSYS_PART_BLEND_FUNC_SOURCE
+PSYS_PART_BLEND_FUNC_DEST
+PSYS_PART_START_GLOW
+PSYS_PART_END_GLOW
 
 PSYS_SRC_PATTERN_DROP
 PSYS_SRC_PATTERN_EXPLODE
 PSYS_SRC_PATTERN_ANGLE
 PSYS_SRC_PATTERN_ANGLE_CONE
 PSYS_SRC_PATTERN_ANGLE_CONE_EMPTY
+PSYS_PART_BF_ONE
+PSYS_PART_BF_ZERO
+PSYS_PART_BF_DEST_COLOR
+PSYS_PART_BF_SOURCE_COLOR
+PSYS_PART_BF_ONE_MINUS_DEST_COLOR
+PSYS_PART_BF_ONE_MINUS_SOURCE_COLOR
+PSYS_PART_BF_SOURCE_ALPHA
+PSYS_PART_BF_ONE_MINUS_SOURCE_ALPHA
 
 OBJECT_UNKNOWN_DETAIL	Returned by llGetObjectDetails when passed an invalid object parameter type
 OBJECT_NAME				Used with llGetObjectDetails to get an object's name
@@ -164,6 +177,25 @@ OBJECT_VELOCITY			Used with llGetObjectDetails to get an object's velocity
 OBJECT_OWNER			Used with llGetObjectDetails to get an object's owner's key.  Will be NULL_KEY if group owned
 OBJECT_GROUP			Used with llGetObjectDetails to get an object's group's key
 OBJECT_CREATOR			Used with llGetObjectDetails to get an object's creator's key
+OBJECT_RUNNING_SCRIPT_COUNT		Used with llGetObjectDetails to get the number of running scripts in an object
+OBJECT_TOTAL_SCRIPT_COUNT		Used with llGetObjectDetails to get the total number of scripts in an object
+OBJECT_SCRIPT_MEMORY		Used with llGetObjectDetails to get the total amount of script memory in an object
+OBJECT_SCRIPT_TIME			Used with llGetObjectDetails to get the average script time used by an object
+OBJECT_PRIM_EQUIVALENCE		Used with llGetObjectDetails to get the prim equivalence of an object
+OBJECT_SERVER_COST			Used with llGetObjectDetails to get the server cost of an object
+OBJECT_STREAMING_COST		Used with llGetObjectDetails to get the streaming (download) cost of an object
+OBJECT_PHYSICS_COST			Used with llGetObjectDetails to get the physics cost of an object
+OBJECT_CHARACTER_TIME		Used with llGetObjectDetails to get the pathfinding time (seconds) for an object
+OBJECT_ROOT					Used with llGetObjectDetails to get root ID of an object
+OBJECT_ATTACHED_POINT		Used with llGetObjectDetails to get attachent point where an object is attached
+OBJECT_PATHFINDING_TYPE		Used with llGetObjectDetails to get the pathfinding setting of an object
+OBJECT_PHYSICS				Used with llGetObjectDetails to determine if the object is physical or not
+OBJECT_PHANTOM				Used with llGetObjectDetails to determine if the object is phantom or not
+OBJECT_TEMP_ON_REZ			Used with llGetObjectDetails to determine if the object is temporary or not
+OBJECT_RENDER_WEIGHT		Used with llGetObjectDetails to return an avatar's rendering weight
+OBJECT_ATTACHMENT_GEOMETRY_BYTES	Used with llGetObjectDetails to return an avatar's attachment rendering geometry bytes
+OBJECT_ATTACHMENT_SURFACE_AREA		Used with llGetObjectDetails to return an avatar's attachment surface area
+
 
 # some vehicle params
 VEHICLE_TYPE_NONE
diff --git a/indra/newview/app_settings/settings.xml b/indra/newview/app_settings/settings.xml
index 3e022f6fa3..baf46eec31 100755
--- a/indra/newview/app_settings/settings.xml
+++ b/indra/newview/app_settings/settings.xml
@@ -2158,6 +2158,17 @@
       <key>Value</key>
       <integer>0</integer>
     </map>
+    <key>DebugShowAvatarRenderInfo</key>
+    <map>
+      <key>Comment</key>
+      <string>Show avatar render cost information</string>
+      <key>Persist</key>
+      <integer>1</integer>
+      <key>Type</key>
+      <string>Boolean</string>
+      <key>Value</key>
+      <integer>0</integer>
+    </map>
     <key>DebugShowColor</key>
     <map>
       <key>Comment</key>
@@ -9501,7 +9512,18 @@
   <key>RenderAutoMuteByteLimit</key>
   <map>
     <key>Comment</key>
-    <string>Maximum bytes of attachments before an avatar is automatically visually muted (0 for no limit).</string>
+    <string>Maximum bytes of attachments before an avatar is rendered as a simple imposter (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>RenderAutoMuteRenderCostLimit</key>
+  <map>
+    <key>Comment</key>
+    <string>Maximum render weight before an avatar is rendered as a simple imposter (0 to not use this limit).</string>
     <key>Persist</key>
     <integer>1</integer>
     <key>Type</key>
@@ -9512,7 +9534,7 @@
   <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>
+    <string>Maximum surface area of attachments before an avatar is rendered as a simple imposter (0 to not use this limit).</string>
     <key>Persist</key>
     <integer>1</integer>
     <key>Type</key>
@@ -9520,7 +9542,28 @@
     <key>Value</key>
     <integer>0</integer>
   </map>
-    
+  <key>RenderAutoMuteThreshold</key>
+  <map>
+    <key>Comment</key>
+    <string>Threshold on the Avatar Detail slider where simple imposter mode is enabled.  (less than 0 is always on, greather than 1 always off)</string>
+    <key>Persist</key>
+    <integer>1</integer>
+    <key>Type</key>
+    <string>F32</string>
+    <key>Value</key>
+    <real>0.25</real>
+  </map>
+  <key>RenderAutoMuteLogging</key>
+  <map>
+    <key>Comment</key>
+    <string>Show extra information in viewer logs about avatar rendering costs</string>
+    <key>Persist</key>
+    <integer>1</integer>
+    <key>Type</key>
+    <string>Boolean</string>
+    <key>Value</key>
+    <integer>0</integer>
+  </map>    
   <key>RenderAutoHideSurfaceAreaLimit</key>
   <map>
     <key>Comment</key>
@@ -14556,5 +14599,18 @@
     <key>Value</key>
     <integer>0</integer>
   </map>
+
+  <key>VersionChannelName</key>
+    <map>
+      <key>Comment</key>
+      <string>Version information generated by running the viewer</string>
+      <key>Persist</key>
+      <integer>1</integer>
+      <key>Type</key>
+      <string>String</string>
+      <key>Value</key>
+      <string />
+    </map>
 </map>
 </llsd>
+
diff --git a/indra/newview/app_settings/shaders/class1/deferred/avatarF.glsl b/indra/newview/app_settings/shaders/class1/deferred/avatarF.glsl
index bcccbf77d2..662c762bca 100755
--- a/indra/newview/app_settings/shaders/class1/deferred/avatarF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/avatarF.glsl
@@ -31,6 +31,8 @@ out vec4 frag_data[3];
 
 uniform sampler2D diffuseMap;
 
+uniform float minimum_alpha;
+
 VARYING vec3 vary_normal;
 VARYING vec2 vary_texcoord0;
 
@@ -44,7 +46,7 @@ void main()
 {
 	vec4 diff = texture2D(diffuseMap, vary_texcoord0.xy);
 	
-	if (diff.a < 0.2)
+	if (diff.a < minimum_alpha)
 	{
 		discard;
 	}
diff --git a/indra/newview/app_settings/shaders/class1/deferred/giF.glsl b/indra/newview/app_settings/shaders/class1/deferred/giF.glsl
deleted file mode 100755
index da1b234240..0000000000
--- a/indra/newview/app_settings/shaders/class1/deferred/giF.glsl
+++ /dev/null
@@ -1,190 +0,0 @@
-/** 
- * @file giF.glsl
- *
- * $LicenseInfo:firstyear=2007&license=viewerlgpl$
- * Second Life Viewer Source Code
- * Copyright (C) 2007, 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
- * $/LicenseInfo$
- */
- 
-#extension GL_ARB_texture_rectangle : enable
-
-#ifdef DEFINE_GL_FRAGCOLOR
-out vec4 frag_color;
-#else
-#define frag_color gl_FragColor
-#endif
-
-uniform sampler2DRect depthMap;
-uniform sampler2DRect normalMap;
-uniform sampler2D noiseMap;
-
-uniform sampler2D		diffuseGIMap;
-uniform sampler2D		normalGIMap;
-uniform sampler2D		depthGIMap;
-
-uniform sampler2D		lightFunc;
-
-// Inputs
-VARYING vec2 vary_fragcoord;
-
-uniform vec2 screen_res;
-
-uniform mat4 inv_proj;
-uniform mat4 gi_mat;  //gPipeline.mGIMatrix - eye space to sun space
-uniform mat4 gi_mat_proj; //gPipeline.mGIMatrixProj - eye space to projected sun space
-uniform mat4 gi_norm_mat; //gPipeline.mGINormalMatrix - eye space normal to sun space normal matrix
-uniform mat4 gi_inv_proj; //gPipeline.mGIInvProj - projected sun space to sun space
-uniform float gi_radius;
-uniform float gi_intensity;
-uniform int gi_samples;
-uniform vec2 gi_kern[25];
-uniform vec2 gi_scale;
-uniform vec3 gi_quad;
-uniform vec3 gi_spec;
-uniform float gi_direction_weight;
-uniform float gi_light_offset;
-
-vec4 getPosition(vec2 pos_screen)
-{
-	float depth = texture2DRect(depthMap, pos_screen.xy).a;
-	vec2 sc = pos_screen.xy*2.0;
-	sc /= screen_res;
-	sc -= vec2(1.0,1.0);
-	vec4 ndc = vec4(sc.x, sc.y, 2.0*depth-1.0, 1.0);
-	vec4 pos = inv_proj * ndc;
-	pos /= pos.w;
-	pos.w = 1.0;
-	return pos;
-}
-
-vec4 getGIPosition(vec2 gi_tc)
-{
-	float depth = texture2D(depthGIMap, gi_tc).a;
-	vec2 sc = gi_tc*2.0;
-	sc -= vec2(1.0, 1.0);
-	vec4 ndc = vec4(sc.x, sc.y, 2.0*depth-1.0, 1.0);
-	vec4 pos = gi_inv_proj*ndc;
-	pos.xyz /= pos.w;
-	pos.w = 1.0;
-	return pos;
-}
-
-vec3 giAmbient(vec3 pos, vec3 norm)
-{
-	vec4 gi_c = gi_mat_proj * vec4(pos, 1.0);
-	gi_c.xyz /= gi_c.w;
-
-	vec4 gi_pos = gi_mat*vec4(pos,1.0);
-	vec3 gi_norm = (gi_norm_mat*vec4(norm,1.0)).xyz;
-	gi_norm = normalize(gi_norm);
-	
-	vec2 tcx = gi_norm.xy;
-	vec2 tcy = gi_norm.yx;
-	
-	vec4 eye_pos = gi_mat*vec4(0,0,0,1.0);
-	
-	vec3 eye_dir = normalize(gi_pos.xyz-eye_pos.xyz/eye_pos.w);
-	
-	//vec3 eye_dir = vec3(0,0,-1);
-	//eye_dir = (gi_norm_mat*vec4(eye_dir, 1.0)).xyz;
-	//eye_dir = normalize(eye_dir);
-	
-	//float round_x = gi_scale.x;
-	//float round_y = gi_scale.y;
-	
-	vec3 debug = texture2D(normalGIMap, gi_c.xy).rgb*0.5+0.5;
-	debug.xz = vec2(0.0,0.0);
-	//debug = fract(debug);
-	
-	float round_x = 1.0/64.0;
-	float round_y = 1.0/64.0;
-	
-	//gi_c.x = floor(gi_c.x/round_x+0.5)*round_x;
-	//gi_c.y = floor(gi_c.y/round_y+0.5)*round_y;
-	
-	float fda = 0.0;
-	vec3 fdiff = vec3(0,0,0);
-	
-	vec3 rcol = vec3(0,0,0);
-	
-	float fsa = 0.0;
-	
-	for (int i = -1; i < 2; i+=2 )
-	{
-		for (int j = -1; j < 2; j+=2)
-		{
-			vec2 tc = vec2(i, j)*0.75;
-			vec3 nz = texture2D(noiseMap, vary_fragcoord.xy/128.0+tc*0.5).xyz;
-			//tc += gi_norm.xy*nz.z;
-			tc += nz.xy*2.0;
-			tc /= gi_samples;
-			tc += gi_c.xy;
-			
-			vec3 lnorm = -normalize(texture2D(normalGIMap, tc.xy).xyz*2.0-1.0);
-			vec3 lpos = getGIPosition(tc.xy).xyz;
-							
-			vec3 at = lpos-gi_pos.xyz;
-			float dist = dot(at,at);
-			float da = clamp(1.0/(gi_spec.x*dist), 0.0, 1.0);
-			
-			if (da > 0.0)
-			{
-				//add angular attenuation
-				vec3 ldir = at;
-				float ang_atten = clamp(dot(ldir, gi_norm), 0.0, 1.0);
-			
-				float ld = -dot(ldir, lnorm);
-				
-				if (ang_atten > 0.0 && ld < 0.0)
-				{
-					vec3 diff = texture2D(diffuseGIMap, tc.xy).xyz;
-					da = da*ang_atten;
-					fda += da;
-					fdiff += diff*da;
-				}
-			}
-		}
-	}
-
-	fdiff /= max(gi_spec.y*fda, gi_quad.z);
-	fdiff = clamp(fdiff, vec3(0), vec3(1));
-	
-	vec3 ret = fda*fdiff;
-	//ret = ret*ret*gi_quad.x+ret*gi_quad.y+gi_quad.z;			
-
-	//fda *= nz.z;
-	
-	//rcol.rgb *= gi_intensity;
-	//return rcol.rgb+vary_AmblitColor.rgb*0.25;
-	//return vec4(debug, 0.0);
-	//return vec4(fda*fdiff, 0.0);
-	return clamp(ret,vec3(0.0), vec3(1.0));
-	//return debug.xyz;
-}
-
-void main() 
-{
-	vec2 pos_screen = vary_fragcoord.xy;
-	vec4 pos = getPosition(pos_screen);
-	vec3 norm = texture2DRect(normalMap, pos_screen).xyz;
-	norm = vec3((norm.xy-0.5)*2.0,norm.z); // unpack norm
-	
-	frag_color.xyz = giAmbient(pos, norm);
-}
diff --git a/indra/newview/app_settings/shaders/class1/deferred/waterF.glsl b/indra/newview/app_settings/shaders/class1/deferred/waterF.glsl
index daa2fb390a..8de8ba1dd8 100755
--- a/indra/newview/app_settings/shaders/class1/deferred/waterF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/waterF.glsl
@@ -53,13 +53,11 @@ uniform vec3 specular;
 uniform float lightExp;
 uniform float refScale;
 uniform float kd;
-uniform vec2 screenRes;
 uniform vec3 normScale;
 uniform float fresnelScale;
 uniform float fresnelOffset;
 uniform float blurMultiplier;
-uniform vec2 screen_res;
-uniform mat4 norm_mat; //region space to screen space
+uniform mat3 normal_matrix;
 
 //bigWave is (refCoord.w, view.w);
 VARYING vec4 refCoord;
@@ -163,7 +161,7 @@ void main()
 
 	//wavef.z *= 0.1f;
 	//wavef = normalize(wavef);
-	vec3 screenspacewavef = (norm_mat*vec4(wavef, 1.0)).xyz;
+	vec3 screenspacewavef = normal_matrix*wavef;
 	
 	frag_data[0] = vec4(color.rgb, 0.5); // diffuse
 	frag_data[1] = vec4(0.5,0.5,0.5, 0.95); // speccolor*spec, spec
diff --git a/indra/newview/app_settings/shaders/class1/environment/underWaterF.glsl b/indra/newview/app_settings/shaders/class1/environment/underWaterF.glsl
index 0d8dab0a41..485e48537c 100755
--- a/indra/newview/app_settings/shaders/class1/environment/underWaterF.glsl
+++ b/indra/newview/app_settings/shaders/class1/environment/underWaterF.glsl
@@ -43,13 +43,11 @@ uniform vec2 fbScale;
 uniform float refScale;
 uniform float znear;
 uniform float zfar;
-uniform float kd;
 uniform vec4 waterPlane;
 uniform vec3 eyeVec;
 uniform vec4 waterFogColor;
 uniform float waterFogDensity;
 uniform float waterFogKS;
-uniform vec2 screenRes;
 
 //bigWave is (refCoord.w, view.w);
 VARYING vec4 refCoord;
diff --git a/indra/newview/app_settings/shaders/class1/environment/waterF.glsl b/indra/newview/app_settings/shaders/class1/environment/waterF.glsl
index 79bffab745..1fd7bdaa5c 100755
--- a/indra/newview/app_settings/shaders/class1/environment/waterF.glsl
+++ b/indra/newview/app_settings/shaders/class1/environment/waterF.glsl
@@ -42,8 +42,6 @@ uniform vec3 lightDir;
 uniform vec3 specular;
 uniform float lightExp;
 uniform float refScale;
-uniform float kd;
-uniform vec2 screenRes;
 uniform vec3 normScale;
 uniform float fresnelScale;
 uniform float fresnelOffset;
diff --git a/indra/newview/llagent.cpp b/indra/newview/llagent.cpp
index 3e94c5edf7..1a96699cff 100755
--- a/indra/newview/llagent.cpp
+++ b/indra/newview/llagent.cpp
@@ -3048,6 +3048,30 @@ void LLAgent::sendAnimationRequest(const LLUUID &anim_id, EAnimRequest request)
 	sendReliableMessage();
 }
 
+// Send a message to the region to stop the NULL animation state
+// This will reset animation state overrides for the agent.
+void LLAgent::sendAnimationStateReset()
+{
+	if (gAgentID.isNull() || !mRegionp)
+	{
+		return;
+	}
+
+	LLMessageSystem* msg = gMessageSystem;
+	msg->newMessageFast(_PREHASH_AgentAnimation);
+	msg->nextBlockFast(_PREHASH_AgentData);
+	msg->addUUIDFast(_PREHASH_AgentID, getID());
+	msg->addUUIDFast(_PREHASH_SessionID, getSessionID());
+
+	msg->nextBlockFast(_PREHASH_AnimationList);
+	msg->addUUIDFast(_PREHASH_AnimID, LLUUID::null );
+	msg->addBOOLFast(_PREHASH_StartAnim, FALSE);
+
+	msg->nextBlockFast(_PREHASH_PhysicalAvatarEventList);
+	msg->addBinaryDataFast(_PREHASH_TypeData, NULL, 0);
+	sendReliableMessage();
+}
+
 void LLAgent::sendWalkRun(bool running)
 {
 	LLMessageSystem* msgsys = gMessageSystem;
@@ -4126,6 +4150,8 @@ void LLAgent::stopCurrentAnimations()
 	// avatar, propagating this change back to the server.
 	if (isAgentAvatarValid())
 	{
+		LLDynamicArray<LLUUID> anim_ids;
+
 		for ( LLVOAvatar::AnimIterator anim_it =
 			      gAgentAvatarp->mPlayingAnimations.begin();
 		      anim_it != gAgentAvatarp->mPlayingAnimations.end();
@@ -4143,10 +4169,15 @@ void LLAgent::stopCurrentAnimations()
 				// stop this animation locally
 				gAgentAvatarp->stopMotion(anim_it->first, TRUE);
 				// ...and tell the server to tell everyone.
-				sendAnimationRequest(anim_it->first, ANIM_REQUEST_STOP);
+				anim_ids.push_back(anim_it->first);
 			}
 		}
 
+		sendAnimationRequests(anim_ids, ANIM_REQUEST_STOP);
+
+		// Tell the region to clear any animation state overrides.
+		sendAnimationStateReset();
+
 		// re-assert at least the default standing animation, because
 		// viewers get confused by avs with no associated anims.
 		sendAnimationRequest(ANIM_AGENT_STAND,
diff --git a/indra/newview/llagent.h b/indra/newview/llagent.h
index f5f26f69d8..c5b4476318 100755
--- a/indra/newview/llagent.h
+++ b/indra/newview/llagent.h
@@ -431,6 +431,8 @@ public:
 	void			onAnimStop(const LLUUID& id);
 	void			sendAnimationRequests(LLDynamicArray<LLUUID> &anim_ids, EAnimRequest request);
 	void			sendAnimationRequest(const LLUUID &anim_id, EAnimRequest request);
+	void			sendAnimationStateReset();
+
 	void			endAnimationUpdateUI();
 	void			unpauseAnimation() { mPauseRequest = NULL; }
 	BOOL			getCustomAnim() const { return mCustomAnim; }
diff --git a/indra/newview/llappviewer.cpp b/indra/newview/llappviewer.cpp
index ffb168b43b..1874cba4a4 100755
--- a/indra/newview/llappviewer.cpp
+++ b/indra/newview/llappviewer.cpp
@@ -96,6 +96,7 @@
 #include "llupdaterservice.h"
 #include "llfloatertexturefetchdebugger.h"
 #include "llspellcheck.h"
+#include "llavatarrenderinfoaccountant.h"
 
 // Linden library includes
 #include "llavatarnamecache.h"
@@ -570,7 +571,7 @@ static void settings_to_globals()
 	LLSurface::setTextureSize(gSavedSettings.getU32("RegionTextureSize"));
 	
 	LLRender::sGLCoreProfile = gSavedSettings.getBOOL("RenderGLCoreProfile");
-
+	LLVertexBuffer::sUseVAO = gSavedSettings.getBOOL("RenderUseVAO");
 	LLImageGL::sGlobalUseAnisotropic	= gSavedSettings.getBOOL("RenderAnisotropic");
 	LLImageGL::sCompressTextures		= gSavedSettings.getBOOL("RenderCompressTextures");
 	LLVOVolume::sLODFactor				= gSavedSettings.getF32("RenderVolumeLODFactor");
@@ -4835,6 +4836,9 @@ void LLAppViewer::idle()
 		gObjectList.updateApparentAngles(gAgent);
 	}
 
+	// Update AV render info
+	LLAvatarRenderInfoAccountant::idle();
+
 	{
 		LLFastTimer t(FTM_AUDIO_UPDATE);
 		
diff --git a/indra/newview/llavatarrenderinfoaccountant.cpp b/indra/newview/llavatarrenderinfoaccountant.cpp
new file mode 100644
index 0000000000..da4b6cf806
--- /dev/null
+++ b/indra/newview/llavatarrenderinfoaccountant.cpp
@@ -0,0 +1,371 @@
+/**
+ * @file   llavatarrenderinfoaccountant.cpp
+ * @author Dave Simmons
+ * @date   2013-02-28
+ * @brief  
+ * 
+ * $LicenseInfo:firstyear=2013&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2013, 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
+ * $/LicenseInfo$
+ */
+
+// Precompiled header
+#include "llviewerprecompiledheaders.h"
+// associated header
+#include "llavatarrenderinfoaccountant.h"
+// STL headers
+// std headers
+// external library headers
+// other Linden headers
+#include "llcharacter.h"
+#include "llhttpclient.h"
+#include "lltimer.h"
+#include "llviewercontrol.h"
+#include "llviewerobjectlist.h"
+#include "llviewerregion.h"
+#include "llvoavatar.h"
+#include "llworld.h"
+
+
+static	const std::string KEY_AGENTS = "agents";			// map
+static 	const std::string KEY_WEIGHT = "weight";			// integer
+static	const std::string KEY_GEOMETRY = "geometry";		// integer
+static	const std::string KEY_SURFACE =	"surface";			// float
+
+static	const std::string KEY_IDENTIFIER = "identifier";
+static	const std::string KEY_MESSAGE = "message";
+static	const std::string KEY_ERROR = "error";
+
+
+// Send data updates about once per minute, only need per-frame resolution
+LLFrameTimer LLAvatarRenderInfoAccountant::sRenderInfoReportTimer;
+
+
+// HTTP responder class for GET request for avatar render weight information
+class LLAvatarRenderInfoGetResponder : public LLHTTPClient::Responder
+{
+public:
+	LLAvatarRenderInfoGetResponder(U64 region_handle) : mRegionHandle(region_handle)
+	{
+	}
+
+	virtual void error(U32 statusNum, const std::string& reason)
+	{
+		LLViewerRegion * regionp = LLWorld::getInstance()->getRegionFromHandle(mRegionHandle);
+		if (regionp)
+		{
+			llwarns << "HTTP error result for avatar weight GET: " << statusNum 
+				<< ", " << reason
+				<< " returned by region " << regionp->getName()
+				<< llendl;
+		}
+		else
+		{
+			llwarns << "Avatar render weight GET error recieved but region not found for " 
+				<< mRegionHandle 
+				<< ", error " << statusNum 
+				<< ", " << reason
+				<< llendl;
+		}
+
+	}
+
+	virtual void result(const LLSD& content)
+	{
+		LLViewerRegion * regionp = LLWorld::getInstance()->getRegionFromHandle(mRegionHandle);
+		if (regionp)
+		{
+			if (LLAvatarRenderInfoAccountant::logRenderInfo())
+			{
+				llinfos << "Result for avatar weights request for region " << regionp->getName() << ":" << llendl;
+			}
+
+			if (content.isMap())
+			{
+				if (content.has(KEY_AGENTS))
+				{
+					const LLSD & agents = content[KEY_AGENTS];
+					if (agents.isMap())
+					{
+						LLSD::map_const_iterator	report_iter = agents.beginMap();
+						while (report_iter != agents.endMap())
+						{
+							LLUUID target_agent_id = LLUUID(report_iter->first);
+							const LLSD & agent_info_map = report_iter->second;
+							LLViewerObject* avatarp = gObjectList.findObject(target_agent_id);
+							if (avatarp && 
+								avatarp->isAvatar() &&
+								agent_info_map.isMap())
+							{	// Extract the data for this avatar
+
+								if (LLAvatarRenderInfoAccountant::logRenderInfo())
+								{
+									llinfos << " Agent " << target_agent_id 
+										<< ": " << agent_info_map << llendl;
+								}
+
+								if (agent_info_map.has(KEY_WEIGHT))
+								{
+									((LLVOAvatar *) avatarp)->setReportedVisualComplexity(agent_info_map[KEY_WEIGHT].asInteger());
+								}
+								if (agent_info_map.has(KEY_GEOMETRY))
+								{
+									((LLVOAvatar *) avatarp)->setReportedAttachmentGeometryBytes(agent_info_map[KEY_GEOMETRY].asInteger());
+								}
+								if (agent_info_map.has(KEY_SURFACE))
+								{
+									((LLVOAvatar *) avatarp)->setReportedAttachmentSurfaceArea((F32) agent_info_map[KEY_SURFACE].asReal());
+								}
+							}
+							report_iter++;
+						}
+					}
+				}	// has "agents"
+				else if (content.has(KEY_ERROR))
+				{
+					const LLSD & error = content[KEY_ERROR];
+					llwarns << "Avatar render info GET error: "
+						<< error[KEY_IDENTIFIER]
+						<< ": " << error[KEY_MESSAGE] 
+						<< " from region " << regionp->getName()
+						<< llendl;
+				}
+			}
+		}
+		else
+		{
+			llinfos << "Avatar render weight info recieved but region not found for " 
+				<< mRegionHandle << llendl;
+		}
+	}
+
+private:
+	U64		mRegionHandle;
+};
+
+
+// HTTP responder class for POST request for avatar render weight information
+class LLAvatarRenderInfoPostResponder : public LLHTTPClient::Responder
+{
+public:
+	LLAvatarRenderInfoPostResponder(U64 region_handle) : mRegionHandle(region_handle)
+	{
+	}
+
+	virtual void error(U32 statusNum, const std::string& reason)
+	{
+		LLViewerRegion * regionp = LLWorld::getInstance()->getRegionFromHandle(mRegionHandle);
+		if (regionp)
+		{
+			llwarns << "HTTP error result for avatar weight POST: " << statusNum 
+				<< ", " << reason
+				<< " returned by region " << regionp->getName()
+				<< llendl;
+		}
+		else
+		{
+			llwarns << "Avatar render weight POST error recieved but region not found for " 
+				<< mRegionHandle 
+				<< ", error " << statusNum 
+				<< ", " << reason
+				<< llendl;
+		}
+	}
+
+	virtual void result(const LLSD& content)
+	{
+		LLViewerRegion * regionp = LLWorld::getInstance()->getRegionFromHandle(mRegionHandle);
+		if (regionp)
+		{
+			if (LLAvatarRenderInfoAccountant::logRenderInfo())
+			{
+				llinfos << "Result for avatar weights POST for region " << regionp->getName()
+					<< ": " << content << llendl;
+			}
+
+			if (content.isMap())
+			{
+				if (content.has(KEY_ERROR))
+				{
+					const LLSD & error = content[KEY_ERROR];
+					llwarns << "Avatar render info POST error: "
+						<< error[KEY_IDENTIFIER]
+						<< ": " << error[KEY_MESSAGE] 
+						<< " from region " << regionp->getName()
+						<< llendl;
+				}
+			}
+		}
+		else
+		{
+			llinfos << "Avatar render weight POST result recieved but region not found for " 
+				<< mRegionHandle << llendl;
+		}
+	}
+
+private:
+	U64		mRegionHandle;
+};
+
+
+// static 
+// Send request for one region, no timer checks
+void LLAvatarRenderInfoAccountant::sendRenderInfoToRegion(LLViewerRegion * regionp)
+{
+	std::string url = regionp->getCapability("AvatarRenderInfo");
+	if (!url.empty())
+	{
+		if (logRenderInfo())
+		{
+			llinfos << "Sending avatar render info to region "
+				<< regionp->getName() 
+				<< " from " << url
+				<< llendl;
+		}
+
+		// Build the render info to POST to the region
+		LLSD report = LLSD::emptyMap();
+		LLSD agents = LLSD::emptyMap();
+				
+		std::vector<LLCharacter*>::iterator iter = LLCharacter::sInstances.begin();
+		while( iter != LLCharacter::sInstances.end() )
+		{
+			LLVOAvatar* avatar = dynamic_cast<LLVOAvatar*>(*iter);
+			if (avatar &&
+				avatar->getRezzedStatus() >= 2 &&					// Mostly rezzed (maybe without baked textures downloaded)
+				!avatar->isDead() &&								// Not dead yet
+				avatar->getObjectHost() == regionp->getHost())		// Ensure it's on the same region
+			{
+				avatar->calculateUpdateRenderCost();			// Make sure the numbers are up-to-date
+
+				LLSD info = LLSD::emptyMap();
+				if (avatar->getVisualComplexity() > 0)
+				{
+					info[KEY_WEIGHT] = avatar->getVisualComplexity();
+				}
+				if (avatar->getAttachmentGeometryBytes() > 0)
+				{
+					info[KEY_GEOMETRY] = (S32) avatar->getAttachmentGeometryBytes();
+				}
+				if (avatar->getAttachmentSurfaceArea() > 0.f)
+				{
+					info[KEY_SURFACE] = avatar->getAttachmentSurfaceArea();
+				}
+				if (info.size() > 0)
+				{
+					agents[avatar->getID().asString()] = info;
+				}
+
+				if (logRenderInfo())
+				{
+					llinfos << "Sending avatar render info for " << avatar->getID()
+						<< ": " << info << llendl;
+				}
+			}
+			iter++;
+		}
+
+		report[KEY_AGENTS] = agents;
+		if (agents.size() > 0)
+		{
+			LLHTTPClient::post(url, report, new LLAvatarRenderInfoPostResponder(regionp->getHandle()));
+		}
+	}
+}
+
+
+
+
+// static 
+// Send request for one region, no timer checks
+void LLAvatarRenderInfoAccountant::getRenderInfoFromRegion(LLViewerRegion * regionp)
+{
+	std::string url = regionp->getCapability("AvatarRenderInfo");
+	if (!url.empty())
+	{
+		if (logRenderInfo())
+		{
+			llinfos << "Requesting avatar render info for region "
+				<< regionp->getName() 
+				<< " from " << url
+				<< llendl;
+		}
+
+		// First send a request to get the latest data
+		LLHTTPClient::get(url, new LLAvatarRenderInfoGetResponder(regionp->getHandle()));
+	}
+}
+
+
+// static
+// Called every frame - send render weight requests to every region
+void LLAvatarRenderInfoAccountant::idle()
+{
+	if (sRenderInfoReportTimer.hasExpired())
+	{
+		const F32 SECS_BETWEEN_REGION_SCANS   =  5.f;		// Scan the region list every 5 seconds
+		const F32 SECS_BETWEEN_REGION_REQUEST = 60.0;		// Update each region every 60 seconds
+	
+		S32 num_avs = LLCharacter::sInstances.size();
+
+		// Check all regions and see if it's time to fetch/send data
+		for (LLWorld::region_list_t::const_iterator iter = LLWorld::getInstance()->getRegionList().begin();
+				iter != LLWorld::getInstance()->getRegionList().end(); ++iter)
+		{
+			LLViewerRegion* regionp = *iter;
+			if (regionp &&
+				regionp->isAlive() &&
+				regionp->capabilitiesReceived() &&						// Region has capability URLs available
+				regionp->getRenderInfoRequestTimer().hasExpired())		// Time to make request
+			{
+				sendRenderInfoToRegion(regionp);
+				getRenderInfoFromRegion(regionp);
+
+				// Reset this regions timer, moving to longer intervals if there are lots of avatars around
+				regionp->getRenderInfoRequestTimer().resetWithExpiry(SECS_BETWEEN_REGION_REQUEST + (2.f * num_avs));
+			}
+		}
+
+		// We scanned all the regions, reset the request timer.
+		sRenderInfoReportTimer.resetWithExpiry(SECS_BETWEEN_REGION_SCANS);
+	}
+}
+
+
+// static
+// Make sRenderInfoReportTimer expire so the next call to idle() will scan and query a new region
+// called via LLViewerRegion::setCapabilitiesReceived() boost signals when the capabilities
+// are returned for a new LLViewerRegion, and is the earliest time to get render info
+void LLAvatarRenderInfoAccountant::expireRenderInfoReportTimer()
+{
+	if (logRenderInfo())
+	{
+		llinfos << "Viewer has new region capabilities" << llendl;
+	}
+
+	sRenderInfoReportTimer.resetWithExpiry(0.f);
+}
+
+// static 
+bool LLAvatarRenderInfoAccountant::logRenderInfo()
+{
+	static LLCachedControl<bool> render_mute_logging_enabled(gSavedSettings, "RenderAutoMuteLogging");
+	return render_mute_logging_enabled;
+}
diff --git a/indra/newview/llavatarrenderinfoaccountant.h b/indra/newview/llavatarrenderinfoaccountant.h
new file mode 100644
index 0000000000..97dd9f0ad3
--- /dev/null
+++ b/indra/newview/llavatarrenderinfoaccountant.h
@@ -0,0 +1,56 @@
+/**
+ * @file   llavatarrenderinfoaccountant.h
+ * @author Dave Simmons
+ * @date   2013-02-28
+ * @brief  
+ * 
+ * $LicenseInfo:firstyear=2013&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2013, 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
+ * $/LicenseInfo$
+ */
+
+#if ! defined(LL_llavatarrenderinfoaccountant_H)
+#define LL_llavatarrenderinfoaccountant_H
+
+class LLViewerRegion;
+
+// Class to gather avatar rendering information 
+// that is sent to or fetched from regions.
+class LLAvatarRenderInfoAccountant
+{
+public:
+	LLAvatarRenderInfoAccountant()	{};
+	~LLAvatarRenderInfoAccountant()	{};
+
+	static void sendRenderInfoToRegion(LLViewerRegion * regionp);
+	static void getRenderInfoFromRegion(LLViewerRegion * regionp);
+
+	static void expireRenderInfoReportTimer();
+
+    static void idle();
+
+	static bool logRenderInfo();
+
+private:
+	// Send data updates about once per minute, only need per-frame resolution
+	static LLFrameTimer sRenderInfoReportTimer;
+};
+
+#endif /* ! defined(LL_llavatarrenderinfoaccountant_H) */
diff --git a/indra/newview/llconversationmodel.h b/indra/newview/llconversationmodel.h
index 8766585049..8766585049 100755..100644
--- a/indra/newview/llconversationmodel.h
+++ b/indra/newview/llconversationmodel.h
diff --git a/indra/newview/llconversationview.cpp b/indra/newview/llconversationview.cpp
index b6c53e5e30..b6c53e5e30 100755..100644
--- a/indra/newview/llconversationview.cpp
+++ b/indra/newview/llconversationview.cpp
diff --git a/indra/newview/llconversationview.h b/indra/newview/llconversationview.h
index 3eb2e63792..3eb2e63792 100755..100644
--- a/indra/newview/llconversationview.h
+++ b/indra/newview/llconversationview.h
diff --git a/indra/newview/lldrawable.cpp b/indra/newview/lldrawable.cpp
index 8c9fd4152a..14c09a2393 100755
--- a/indra/newview/lldrawable.cpp
+++ b/indra/newview/lldrawable.cpp
@@ -254,7 +254,7 @@ S32 LLDrawable::findReferences(LLDrawable *drawablep)
 	return count;
 }
 
-static LLFastTimer::DeclareTimer FTM_ALLOCATE_FACE("Allocate Face", true);
+static LLFastTimer::DeclareTimer FTM_ALLOCATE_FACE("Allocate Face");
 
 LLFace*	LLDrawable::addFace(LLFacePool *poolp, LLViewerTexture *texturep)
 {
diff --git a/indra/newview/lldrawpool.cpp b/indra/newview/lldrawpool.cpp
index 04e31e6486..714f9a1718 100755
--- a/indra/newview/lldrawpool.cpp
+++ b/indra/newview/lldrawpool.cpp
@@ -504,6 +504,7 @@ void LLRenderPass::pushBatch(LLDrawInfo& params, U32 mask, BOOL texture, BOOL ba
 		{
 			params.mGroup->rebuildMesh();
 		}
+		
 		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 c832e1401d..2f6e895cb7 100755
--- a/indra/newview/lldrawpoolalpha.cpp
+++ b/indra/newview/lldrawpoolalpha.cpp
@@ -331,10 +331,15 @@ void LLDrawPoolAlpha::renderAlpha(U32 mask)
 		if (group->mSpatialPartition->mRenderByGroup &&
 		    !group->isDead())
 		{
-			bool draw_glow_for_this_partition = mVertexShaderLevel > 0 && // no shaders = no glow.
-				// All particle systems seem to come off the wire with texture entries which claim that they glow.  This is probably a bug in the data.  Suppress.
-				group->mSpatialPartition->mPartitionType != LLViewerRegion::PARTITION_PARTICLE &&
-				group->mSpatialPartition->mPartitionType != LLViewerRegion::PARTITION_HUD_PARTICLE;
+			static LLFastTimer::DeclareTimer FTM_RENDER_ALPHA_GROUP_LOOP("Alpha Group");
+			LLFastTimer t(FTM_RENDER_ALPHA_GROUP_LOOP);
+
+			bool draw_glow_for_this_partition = mVertexShaderLevel > 0; // no shaders = no glow.
+
+			bool disable_cull = group->mSpatialPartition->mPartitionType == LLViewerRegion::PARTITION_PARTICLE ||
+				group->mSpatialPartition->mPartitionType == LLViewerRegion::PARTITION_HUD_PARTICLE;
+
+			LLGLDisable cull(disable_cull ? GL_CULL_FACE : 0);
 
 			LLSpatialGroup::drawmap_elem_t& draw_info = group->mDrawMap[LLRenderPass::PASS_ALPHA];
 
@@ -500,32 +505,32 @@ void LLDrawPoolAlpha::renderAlpha(U32 mask)
 					}
 				}
 
-				params.mVertexBuffer->setBuffer(mask);
-				params.mVertexBuffer->drawRange(params.mDrawMode, params.mStart, params.mEnd, params.mCount, params.mOffset);
-				gPipeline.addTrianglesDrawn(params.mCount, params.mDrawMode);
+				static LLFastTimer::DeclareTimer FTM_RENDER_ALPHA_PUSH("Alpha Push Verts");
+				{
+					LLFastTimer t(FTM_RENDER_ALPHA_PUSH);
+					gGL.blendFunc((LLRender::eBlendFactor) params.mBlendFuncSrc, (LLRender::eBlendFactor) params.mBlendFuncDst, mAlphaSFactor, mAlphaDFactor);
+					params.mVertexBuffer->setBuffer(mask);
+					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.
 				if (current_shader && 
 					draw_glow_for_this_partition &&
-					params.mVertexBuffer->hasDataType(LLVertexBuffer::TYPE_EMISSIVE))
+					params.mVertexBuffer->hasDataType(LLVertexBuffer::TYPE_EMISSIVE) &&
+					(!params.mParticle || params.mHasGlow))
 				{
+					static LLFastTimer::DeclareTimer FTM_RENDER_ALPHA_GLOW("Alpha Glow");
+					LLFastTimer t(FTM_RENDER_ALPHA_GLOW);
 					// 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)
 
-					emissive_shader->bind();
-					
-					// glow doesn't use vertex colors from the mesh data
-					params.mVertexBuffer->setBuffer((mask & ~LLVertexBuffer::MAP_COLOR) | LLVertexBuffer::MAP_EMISSIVE);
+					params.mVertexBuffer->setBuffer(mask | LLVertexBuffer::MAP_EMISSIVE);
 					
 					// do the actual drawing, again
 					params.mVertexBuffer->drawRange(params.mDrawMode, params.mStart, params.mEnd, params.mCount, params.mOffset);
 					gPipeline.addTrianglesDrawn(params.mCount, params.mDrawMode);
-
-					// restore our alpha blend mode
-					gGL.blendFunc(mColorSFactor, mColorDFactor, mAlphaSFactor, mAlphaDFactor);
-
-					current_shader->bind();
 				}
 			
 				if (tex_setup)
@@ -538,6 +543,8 @@ void LLDrawPoolAlpha::renderAlpha(U32 mask)
 		}
 	}
 
+	gGL.setSceneBlendType(LLRender::BT_ALPHA);
+
 	LLVertexBuffer::unbind();	
 		
 	if (!light_enabled)
diff --git a/indra/newview/lldrawpoolavatar.cpp b/indra/newview/lldrawpoolavatar.cpp
index a0024a231c..f3f0b3cce2 100755
--- a/indra/newview/lldrawpoolavatar.cpp
+++ b/indra/newview/lldrawpoolavatar.cpp
@@ -59,6 +59,7 @@ LLGLSLShader* LLDrawPoolAvatar::sVertexProgram = NULL;
 BOOL	LLDrawPoolAvatar::sSkipOpaque = FALSE;
 BOOL	LLDrawPoolAvatar::sSkipTransparent = FALSE;
 S32 LLDrawPoolAvatar::sDiffuseChannel = 0;
+F32 LLDrawPoolAvatar::sMinimumAlpha = 0.2f;
 
 
 static bool is_deferred_render = false;
@@ -282,7 +283,7 @@ void LLDrawPoolAvatar::beginPostDeferredAlpha()
 
 	gPipeline.bindDeferredShader(*sVertexProgram);
 
-	sVertexProgram->setMinimumAlpha(0.2f);
+	sVertexProgram->setMinimumAlpha(LLDrawPoolAvatar::sMinimumAlpha);
 
 	sDiffuseChannel = sVertexProgram->enableTexture(LLViewerShaderMgr::DIFFUSE_MAP);
 }
@@ -660,7 +661,7 @@ void LLDrawPoolAvatar::beginRigid()
 		if (sVertexProgram != NULL)
 		{	//eyeballs render with the specular shader
 			sVertexProgram->bind();
-			sVertexProgram->setMinimumAlpha(0.2f);
+			sVertexProgram->setMinimumAlpha(LLDrawPoolAvatar::sMinimumAlpha);
 		}
 	}
 	else
@@ -711,7 +712,7 @@ void LLDrawPoolAvatar::beginDeferredRigid()
 	sVertexProgram = &gDeferredNonIndexedDiffuseAlphaMaskNoColorProgram;
 	sDiffuseChannel = sVertexProgram->enableTexture(LLViewerShaderMgr::DIFFUSE_MAP);
 	sVertexProgram->bind();
-	sVertexProgram->setMinimumAlpha(0.2f);
+	sVertexProgram->setMinimumAlpha(LLDrawPoolAvatar::sMinimumAlpha);
 }
 
 void LLDrawPoolAvatar::endDeferredRigid()
@@ -769,7 +770,7 @@ void LLDrawPoolAvatar::beginSkinned()
 
 	if (LLGLSLShader::sNoFixedFunction)
 	{
-		sVertexProgram->setMinimumAlpha(0.2f);
+		sVertexProgram->setMinimumAlpha(LLDrawPoolAvatar::sMinimumAlpha);
 	}
 }
 
@@ -1136,7 +1137,7 @@ void LLDrawPoolAvatar::beginDeferredSkinned()
 	sRenderingSkinned = TRUE;
 
 	sVertexProgram->bind();
-	sVertexProgram->setMinimumAlpha(0.2f);
+	sVertexProgram->setMinimumAlpha(LLDrawPoolAvatar::sMinimumAlpha);
 	
 	sDiffuseChannel = sVertexProgram->enableTexture(LLViewerShaderMgr::DIFFUSE_MAP);
 	gGL.getTexUnit(0)->activate();
@@ -1247,7 +1248,10 @@ void LLDrawPoolAvatar::renderAvatars(LLVOAvatar* single_avatar, S32 pass)
 
 		if (impostor)
 		{
-			if (LLPipeline::sRenderDeferred && !LLPipeline::sReflectionRender && avatarp->mImpostor.isComplete()) 
+			if (LLPipeline::sRenderDeferred && //rendering a deferred impostor
+				!LLPipeline::sReflectionRender && 
+				avatarp->mImpostor.isComplete() && //impostor has required data channels
+				avatarp->mImpostor.getNumTextures() >= 3) 
 			{
 				if (normal_channel > -1)
 				{
@@ -1705,7 +1709,7 @@ void LLDrawPoolAvatar::renderRigged(LLVOAvatar* avatar, U32 type, bool glow)
 				
 				stop_glerror();
 
-				LLDrawPoolAvatar::sVertexProgram->uniformMatrix4fv("matrixPalette", 
+				LLDrawPoolAvatar::sVertexProgram->uniformMatrix4fv(LLViewerShaderMgr::AVATAR_MATRIX, 
 					count,
 					FALSE,
 					(GLfloat*) mat[0].mMatrix);
@@ -1782,7 +1786,7 @@ void LLDrawPoolAvatar::renderRigged(LLVOAvatar* avatar, U32 type, bool glow)
 				}
 			}
 
-			if (face->mTextureMatrix)
+			if (face->mTextureMatrix && vobj->mTexAnimMode)
 			{
 				gGL.matrixMode(LLRender::MM_TEXTURE);
 				gGL.loadMatrix((F32*) face->mTextureMatrix->mMatrix);
@@ -1796,6 +1800,8 @@ void LLDrawPoolAvatar::renderRigged(LLVOAvatar* avatar, U32 type, bool glow)
 				buff->setBuffer(data_mask);
 				buff->drawRange(LLRender::TRIANGLES, start, end, count, offset);		
 			}
+
+			gPipeline.addTrianglesDrawn(count, LLRender::TRIANGLES);
 		}
 	}
 }
diff --git a/indra/newview/lldrawpoolavatar.h b/indra/newview/lldrawpoolavatar.h
index 4fbda1f862..b9d2204052 100755
--- a/indra/newview/lldrawpoolavatar.h
+++ b/indra/newview/lldrawpoolavatar.h
@@ -272,6 +272,7 @@ public:
 	static BOOL sSkipOpaque;
 	static BOOL sSkipTransparent;
 	static S32 sDiffuseChannel;
+	static F32 sMinimumAlpha;
 
 	static LLGLSLShader* sVertexProgram;
 };
diff --git a/indra/newview/lldrawpoolbump.cpp b/indra/newview/lldrawpoolbump.cpp
index 155e289c9d..6b4c5cfca1 100755
--- a/indra/newview/lldrawpoolbump.cpp
+++ b/indra/newview/lldrawpoolbump.cpp
@@ -461,6 +461,8 @@ void LLDrawPoolBump::unbindCubeMap(LLGLSLShader* shader, S32 shader_level, S32&
 				}
 			}
 		}
+        // Moved below shader->disableTexture call to avoid false alarms from auto-re-enable of textures on stage 0
+        // MAINT-755
 		cube_map->disable();
 		cube_map->restoreMatrix();
 	}
@@ -1377,9 +1379,14 @@ void LLBumpImageList::onSourceLoaded( BOOL success, LLViewerTexture *src_vi, LLI
 					LLGLDisable blend(GL_BLEND);
 					gGL.setColorMask(TRUE, TRUE);
 					gNormalMapGenProgram.bind();
-					gNormalMapGenProgram.uniform1f("norm_scale", gSavedSettings.getF32("RenderNormalMapScale"));
-					gNormalMapGenProgram.uniform1f("stepX", 1.f/bump->getWidth());
-					gNormalMapGenProgram.uniform1f("stepY", 1.f/bump->getHeight());
+
+					static LLStaticHashedString sNormScale("norm_scale");
+					static LLStaticHashedString sStepX("stepX");
+					static LLStaticHashedString sStepY("stepY");
+
+					gNormalMapGenProgram.uniform1f(sNormScale, gSavedSettings.getF32("RenderNormalMapScale"));
+					gNormalMapGenProgram.uniform1f(sStepX, 1.f/bump->getWidth());
+					gNormalMapGenProgram.uniform1f(sStepY, 1.f/bump->getHeight());
 
 					LLVector2 v((F32) bump->getWidth()/gPipeline.mScreen.getWidth(),
 								(F32) bump->getHeight()/gPipeline.mScreen.getHeight());
diff --git a/indra/newview/lldrawpoolterrain.cpp b/indra/newview/lldrawpoolterrain.cpp
index 0adb42428d..c3ec234223 100755
--- a/indra/newview/lldrawpoolterrain.cpp
+++ b/indra/newview/lldrawpoolterrain.cpp
@@ -354,8 +354,8 @@ void LLDrawPoolTerrain::renderFullShader()
 	LLGLSLShader* shader = LLGLSLShader::sCurBoundShaderPtr;
 	llassert(shader);
 		
-	shader->uniform4fv("object_plane_s", 1, tp0.mV);
-	shader->uniform4fv("object_plane_t", 1, tp1.mV);
+	shader->uniform4fv(LLShaderMgr::OBJECT_PLANE_S, 1, tp0.mV);
+	shader->uniform4fv(LLShaderMgr::OBJECT_PLANE_T, 1, tp1.mV);
 
 	gGL.matrixMode(LLRender::MM_TEXTURE);
 	gGL.loadIdentity();
@@ -864,8 +864,8 @@ void LLDrawPoolTerrain::renderSimple()
 	
 	if (LLGLSLShader::sNoFixedFunction)
 	{
-		sShader->uniform4fv("object_plane_s", 1, tp0.mV);
-		sShader->uniform4fv("object_plane_t", 1, tp1.mV);
+		sShader->uniform4fv(LLShaderMgr::OBJECT_PLANE_S, 1, tp0.mV);
+		sShader->uniform4fv(LLShaderMgr::OBJECT_PLANE_T, 1, tp1.mV);
 	}
 	else
 	{
diff --git a/indra/newview/lldrawpoolwater.cpp b/indra/newview/lldrawpoolwater.cpp
index 5ddc15df42..0d79631182 100755
--- a/indra/newview/lldrawpoolwater.cpp
+++ b/indra/newview/lldrawpoolwater.cpp
@@ -407,8 +407,8 @@ void LLDrawPoolWater::renderOpaqueLegacyWater()
 	}
 	else
 	{
-		shader->uniform4fv("object_plane_s", 1, tp0);
-		shader->uniform4fv("object_plane_t", 1, tp1);
+		shader->uniform4fv(LLShaderMgr::OBJECT_PLANE_S, 1, tp0);
+		shader->uniform4fv(LLShaderMgr::OBJECT_PLANE_T, 1, tp1);
 	}
 
 	gGL.diffuseColor3f(1.f, 1.f, 1.f);
@@ -546,7 +546,7 @@ void LLDrawPoolWater::shade()
 
 	sTime = (F32)LLFrameTimer::getElapsedSeconds()*0.5f;
 	
-	S32 reftex = shader->enableTexture(LLViewerShaderMgr::WATER_REFTEX);
+	S32 reftex = shader->enableTexture(LLShaderMgr::WATER_REFTEX);
 		
 	if (reftex > -1)
 	{
@@ -577,12 +577,12 @@ void LLDrawPoolWater::shade()
 		mWaterNormp->setFilteringOption(LLTexUnit::TFO_POINT);
 	}
 	
-	S32 screentex = shader->enableTexture(LLViewerShaderMgr::WATER_SCREENTEX);	
+	S32 screentex = shader->enableTexture(LLShaderMgr::WATER_SCREENTEX);	
 		
 	if (screentex > -1)
 	{
-		shader->uniform4fv(LLViewerShaderMgr::WATER_FOGCOLOR, 1, sWaterFogColor.mV);
-		shader->uniform1f(LLViewerShaderMgr::WATER_FOGDENSITY, 
+		shader->uniform4fv(LLShaderMgr::WATER_FOGCOLOR, 1, sWaterFogColor.mV);
+		shader->uniform1f(LLShaderMgr::WATER_FOGDENSITY, 
 			param_mgr->getFogDensity());
 		gPipeline.mWaterDis.bindTexture(0, screentex);
 	}
@@ -594,15 +594,9 @@ void LLDrawPoolWater::shade()
 	if (mVertexShaderLevel == 1)
 	{
 		sWaterFogColor.mV[3] = param_mgr->mDensitySliderValue;
-		shader->uniform4fv(LLViewerShaderMgr::WATER_FOGCOLOR, 1, sWaterFogColor.mV);
+		shader->uniform4fv(LLShaderMgr::WATER_FOGCOLOR, 1, sWaterFogColor.mV);
 	}
 
-	F32 screenRes[] = 
-	{
-		1.f/gGLViewport[2],
-		1.f/gGLViewport[3]
-	};
-	shader->uniform2fv("screenRes", 1, screenRes);
 	stop_glerror();
 	
 	S32 diffTex = shader->enableTexture(LLViewerShaderMgr::DIFFUSE_MAP);
@@ -614,26 +608,26 @@ void LLDrawPoolWater::shade()
 	light_diffuse *= 6.f;
 
 	//shader->uniformMatrix4fv("inverse_ref", 1, GL_FALSE, (GLfloat*) gGLObliqueProjectionInverse.mMatrix);
-	shader->uniform1f(LLViewerShaderMgr::WATER_WATERHEIGHT, eyedepth);
-	shader->uniform1f(LLViewerShaderMgr::WATER_TIME, sTime);
-	shader->uniform3fv(LLViewerShaderMgr::WATER_EYEVEC, 1, LLViewerCamera::getInstance()->getOrigin().mV);
-	shader->uniform3fv(LLViewerShaderMgr::WATER_SPECULAR, 1, light_diffuse.mV);
-	shader->uniform1f(LLViewerShaderMgr::WATER_SPECULAR_EXP, light_exp);
-	shader->uniform2fv(LLViewerShaderMgr::WATER_WAVE_DIR1, 1, param_mgr->getWave1Dir().mV);
-	shader->uniform2fv(LLViewerShaderMgr::WATER_WAVE_DIR2, 1, param_mgr->getWave2Dir().mV);
-	shader->uniform3fv(LLViewerShaderMgr::WATER_LIGHT_DIR, 1, light_dir.mV);
-
-	shader->uniform3fv("normScale", 1, param_mgr->getNormalScale().mV);
-	shader->uniform1f("fresnelScale", param_mgr->getFresnelScale());
-	shader->uniform1f("fresnelOffset", param_mgr->getFresnelOffset());
-	shader->uniform1f("blurMultiplier", param_mgr->getBlurMultiplier());
+	shader->uniform1f(LLShaderMgr::WATER_WATERHEIGHT, eyedepth);
+	shader->uniform1f(LLShaderMgr::WATER_TIME, sTime);
+	shader->uniform3fv(LLShaderMgr::WATER_EYEVEC, 1, LLViewerCamera::getInstance()->getOrigin().mV);
+	shader->uniform3fv(LLShaderMgr::WATER_SPECULAR, 1, light_diffuse.mV);
+	shader->uniform1f(LLShaderMgr::WATER_SPECULAR_EXP, light_exp);
+	shader->uniform2fv(LLShaderMgr::WATER_WAVE_DIR1, 1, param_mgr->getWave1Dir().mV);
+	shader->uniform2fv(LLShaderMgr::WATER_WAVE_DIR2, 1, param_mgr->getWave2Dir().mV);
+	shader->uniform3fv(LLShaderMgr::WATER_LIGHT_DIR, 1, light_dir.mV);
+
+	shader->uniform3fv(LLShaderMgr::WATER_NORM_SCALE, 1, param_mgr->getNormalScale().mV);
+	shader->uniform1f(LLShaderMgr::WATER_FRESNEL_SCALE, param_mgr->getFresnelScale());
+	shader->uniform1f(LLShaderMgr::WATER_FRESNEL_OFFSET, param_mgr->getFresnelOffset());
+	shader->uniform1f(LLShaderMgr::WATER_BLUR_MULTIPLIER, param_mgr->getBlurMultiplier());
 
 	F32 sunAngle = llmax(0.f, light_dir.mV[2]);
 	F32 scaledAngle = 1.f - sunAngle;
 
-	shader->uniform1f("sunAngle", sunAngle);
-	shader->uniform1f("scaledAngle", scaledAngle);
-	shader->uniform1f("sunAngle2", 0.1f + 0.2f*sunAngle);
+	shader->uniform1f(LLShaderMgr::WATER_SUN_ANGLE, sunAngle);
+	shader->uniform1f(LLShaderMgr::WATER_SCALED_ANGLE, scaledAngle);
+	shader->uniform1f(LLShaderMgr::WATER_SUN_ANGLE2, 0.1f + 0.2f*sunAngle);
 
 	LLColor4 water_color;
 	LLVector3 camera_up = LLViewerCamera::getInstance()->getUpAxis();
@@ -641,12 +635,12 @@ void LLDrawPoolWater::shade()
 	if (LLViewerCamera::getInstance()->cameraUnderWater())
 	{
 		water_color.setVec(1.f, 1.f, 1.f, 0.4f);
-		shader->uniform1f(LLViewerShaderMgr::WATER_REFSCALE, param_mgr->getScaleBelow());
+		shader->uniform1f(LLShaderMgr::WATER_REFSCALE, param_mgr->getScaleBelow());
 	}
 	else
 	{
 		water_color.setVec(1.f, 1.f, 1.f, 0.5f*(1.f + up_dot));
-		shader->uniform1f(LLViewerShaderMgr::WATER_REFSCALE, param_mgr->getScaleAbove());
+		shader->uniform1f(LLShaderMgr::WATER_REFSCALE, param_mgr->getScaleAbove());
 	}
 
 	if (water_color.mV[3] > 0.9f)
@@ -690,11 +684,11 @@ void LLDrawPoolWater::shade()
 	}
 	
 	shader->disableTexture(LLViewerShaderMgr::ENVIRONMENT_MAP, LLTexUnit::TT_CUBE_MAP);
-	shader->disableTexture(LLViewerShaderMgr::WATER_SCREENTEX);	
+	shader->disableTexture(LLShaderMgr::WATER_SCREENTEX);	
 	shader->disableTexture(LLViewerShaderMgr::BUMP_MAP);
 	shader->disableTexture(LLViewerShaderMgr::DIFFUSE_MAP);
-	shader->disableTexture(LLViewerShaderMgr::WATER_REFTEX);
-	shader->disableTexture(LLViewerShaderMgr::WATER_SCREENDEPTH);
+	shader->disableTexture(LLShaderMgr::WATER_REFTEX);
+	shader->disableTexture(LLShaderMgr::WATER_SCREENDEPTH);
 
 	if (deferred_render)
 	{
diff --git a/indra/newview/lldrawpoolwlsky.cpp b/indra/newview/lldrawpoolwlsky.cpp
index b5faff7968..b0e69aa9b5 100755
--- a/indra/newview/lldrawpoolwlsky.cpp
+++ b/indra/newview/lldrawpoolwlsky.cpp
@@ -152,7 +152,8 @@ void LLDrawPoolWLSky::renderDome(F32 camHeightLocal, LLGLSLShader * shader) cons
 	gGL.translatef(0.f,-camHeightLocal, 0.f);
 	
 	// Draw WL Sky	
-	shader->uniform3f("camPosLocal", 0.f, camHeightLocal, 0.f);
+	static LLStaticHashedString sCamPosLocal("camPosLocal");
+	shader->uniform3f(sCamPosLocal, 0.f, camHeightLocal, 0.f);
 
 	gSky.mVOWLSkyp->drawDome();
 
@@ -207,7 +208,8 @@ void LLDrawPoolWLSky::renderStars(void) const
 	if (LLGLSLShader::sNoFixedFunction)
 	{
 		gCustomAlphaProgram.bind();
-		gCustomAlphaProgram.uniform1f("custom_alpha", star_alpha.mV[3]);
+		static LLStaticHashedString sCustomAlpha("custom_alpha");
+		gCustomAlphaProgram.uniform1f(sCustomAlpha, star_alpha.mV[3]);
 	}
 	else
 	{
diff --git a/indra/newview/llface.cpp b/indra/newview/llface.cpp
index e63e4285e7..606a595ca4 100755
--- a/indra/newview/llface.cpp
+++ b/indra/newview/llface.cpp
@@ -52,9 +52,20 @@
 #include "llviewerwindow.h"
 #include "llviewershadermgr.h"
 #include "llviewertexture.h"
+#include "llvoavatar.h"
 
+#if LL_LINUX
+// Work-around spurious used before init warning on Vector4a
+//
+#pragma GCC diagnostic ignored "-Wuninitialized"
+#endif
+
+extern BOOL gGLDebugLoggingEnabled;
 #define LL_MAX_INDICES_COUNT 1000000
 
+static LLStaticHashedString sTextureIndexIn("texture_index_in");
+static LLStaticHashedString sColorIn("color_in");
+
 BOOL LLFace::sSafeRenderSelect = TRUE; // FALSE
 
 #define DOTVEC(a,b) (a.mV[0]*b.mV[0] + a.mV[1]*b.mV[1] + a.mV[2]*b.mV[2])
@@ -318,6 +329,12 @@ void LLFace::dirtyTexture()
 				if (vobj)
 				{
 					vobj->mLODChanged = TRUE;
+
+			LLVOAvatar* avatar = vobj->getAvatar();
+			if (avatar)
+			{ //avatar render cost may have changed
+				avatar->updateVisualComplexity();
+			}
 				}
 				gPipeline.markRebuild(drawablep, LLDrawable::REBUILD_VOLUME, FALSE);
 			}
@@ -1132,6 +1149,15 @@ static LLFastTimer::DeclareTimer FTM_FACE_GEOM_COLOR("Color");
 static LLFastTimer::DeclareTimer FTM_FACE_GEOM_EMISSIVE("Emissive");
 static LLFastTimer::DeclareTimer FTM_FACE_GEOM_WEIGHTS("Weights");
 static LLFastTimer::DeclareTimer FTM_FACE_GEOM_TANGENT("Binormal");
+
+static LLFastTimer::DeclareTimer FTM_FACE_GEOM_FEEDBACK("Face Feedback");
+static LLFastTimer::DeclareTimer FTM_FACE_GEOM_FEEDBACK_POSITION("Feedback Position");
+static LLFastTimer::DeclareTimer FTM_FACE_GEOM_FEEDBACK_NORMAL("Feedback  Normal");
+static LLFastTimer::DeclareTimer FTM_FACE_GEOM_FEEDBACK_TEXTURE("Feedback  Texture");
+static LLFastTimer::DeclareTimer FTM_FACE_GEOM_FEEDBACK_COLOR("Feedback  Color");
+static LLFastTimer::DeclareTimer FTM_FACE_GEOM_FEEDBACK_EMISSIVE("Feedback  Emissive");
+static LLFastTimer::DeclareTimer FTM_FACE_GEOM_FEEDBACK_BINORMAL("Feedback 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");
@@ -1357,12 +1383,15 @@ BOOL LLFace::getGeometryVolume(const LLVolume& volume,
 
 #ifdef GL_TRANSFORM_FEEDBACK_BUFFER
 	if (use_transform_feedback &&
+		mVertexBuffer->getUsage() == GL_DYNAMIC_COPY_ARB &&
 		gTransformPositionProgram.mProgramObject && //transform shaders are loaded
 		mVertexBuffer->useVBOs() && //target buffer is in VRAM
 		!rebuild_weights && //TODO: add support for weights
 		!volume.isUnique()) //source volume is NOT flexi
 	{ //use transform feedback to pack vertex buffer
-
+		//gGLDebugLoggingEnabled = TRUE;
+		LLFastTimer t(FTM_FACE_GEOM_FEEDBACK);
+		LLGLEnable discard(GL_RASTERIZER_DISCARD);
 		LLVertexBuffer* buff = (LLVertexBuffer*) vf.mVertexBuffer.get();
 
 		if (vf.mVertexBuffer.isNull() || buff->getNumVerts() != vf.mNumVertices)
@@ -1379,7 +1408,7 @@ BOOL LLFace::getGeometryVolume(const LLVolume& volume,
 
 		if (rebuild_pos)
 		{
-			LLFastTimer t(FTM_FACE_GEOM_POSITION);
+			LLFastTimer t(FTM_FACE_GEOM_FEEDBACK_POSITION);
 			gTransformPositionProgram.bind();
 
 			mVertexBuffer->bindForFeedback(0, LLVertexBuffer::TYPE_VERTEX, mGeomIndex, mGeomCount);
@@ -1393,7 +1422,7 @@ BOOL LLFace::getGeometryVolume(const LLVolume& volume,
 			vp[2] = 0;
 			vp[3] = 0;
 			
-			gTransformPositionProgram.uniform1i("texture_index_in", val);
+			gTransformPositionProgram.uniform1i(sTextureIndexIn, val);
 			glBeginTransformFeedback(GL_POINTS);
 			buff->setBuffer(LLVertexBuffer::MAP_VERTEX);
 
@@ -1404,14 +1433,14 @@ BOOL LLFace::getGeometryVolume(const LLVolume& volume,
 
 		if (rebuild_color)
 		{
-			LLFastTimer t(FTM_FACE_GEOM_COLOR);
+			LLFastTimer t(FTM_FACE_GEOM_FEEDBACK_COLOR);
 			gTransformColorProgram.bind();
 			
 			mVertexBuffer->bindForFeedback(0, LLVertexBuffer::TYPE_COLOR, mGeomIndex, mGeomCount);
 
 			S32 val = *((S32*) color.mV);
 
-			gTransformColorProgram.uniform1i("color_in", val);
+			gTransformColorProgram.uniform1i(sColorIn, val);
 			glBeginTransformFeedback(GL_POINTS);
 			buff->setBuffer(LLVertexBuffer::MAP_VERTEX);
 			push_for_transform(buff, vf.mNumVertices, mGeomCount);
@@ -1420,7 +1449,7 @@ BOOL LLFace::getGeometryVolume(const LLVolume& volume,
 
 		if (rebuild_emissive)
 		{
-			LLFastTimer t(FTM_FACE_GEOM_EMISSIVE);
+			LLFastTimer t(FTM_FACE_GEOM_FEEDBACK_EMISSIVE);
 			gTransformColorProgram.bind();
 			
 			mVertexBuffer->bindForFeedback(0, LLVertexBuffer::TYPE_EMISSIVE, mGeomIndex, mGeomCount);
@@ -1432,7 +1461,7 @@ BOOL LLFace::getGeometryVolume(const LLVolume& volume,
 						 (glow << 16) |
 						 (glow << 24);
 
-			gTransformColorProgram.uniform1i("color_in", glow32);
+			gTransformColorProgram.uniform1i(sColorIn, glow32);
 			glBeginTransformFeedback(GL_POINTS);
 			buff->setBuffer(LLVertexBuffer::MAP_VERTEX);
 			push_for_transform(buff, vf.mNumVertices, mGeomCount);
@@ -1441,7 +1470,7 @@ BOOL LLFace::getGeometryVolume(const LLVolume& volume,
 
 		if (rebuild_normal)
 		{
-			LLFastTimer t(FTM_FACE_GEOM_NORMAL);
+			LLFastTimer t(FTM_FACE_GEOM_FEEDBACK_NORMAL);
 			gTransformNormalProgram.bind();
 			
 			mVertexBuffer->bindForFeedback(0, LLVertexBuffer::TYPE_NORMAL, mGeomIndex, mGeomCount);
@@ -1467,7 +1496,7 @@ BOOL LLFace::getGeometryVolume(const LLVolume& volume,
 
 		if (rebuild_tcoord)
 		{
-			LLFastTimer t(FTM_FACE_GEOM_TEXTURE);
+			LLFastTimer t(FTM_FACE_GEOM_FEEDBACK_TEXTURE);
 			gTransformTexCoordProgram.bind();
 			
 			mVertexBuffer->bindForFeedback(0, LLVertexBuffer::TYPE_TEXCOORD0, mGeomIndex, mGeomCount);
@@ -1490,13 +1519,13 @@ BOOL LLFace::getGeometryVolume(const LLVolume& volume,
 		}
 
 		glBindBufferARB(GL_TRANSFORM_FEEDBACK_BUFFER, 0);
-
 		gGL.popMatrix();
 
 		if (cur_shader)
 		{
 			cur_shader->bind();
 		}
+		//gGLDebugLoggingEnabled = FALSE;
 	}
 	else
 #endif
@@ -1890,21 +1919,32 @@ BOOL LLFace::getGeometryVolume(const LLVolume& volume,
 
 		if (rebuild_pos)
 		{
-			LLFastTimer t(FTM_FACE_GEOM_POSITION);
+			LLVector4a* src = vf.mPositions;
+			
+			//_mm_prefetch((char*)src, _MM_HINT_T0);
+
+			LLVector4a* end = src+num_vertices;
+			//LLVector4a* end_64 = end-4;
+
+			//LLFastTimer t(FTM_FACE_GEOM_POSITION);
 			llassert(num_vertices > 0);
 		
 			mVertexBuffer->getVertexStrider(vert, mGeomIndex, mGeomCount, map_range);
 			
-
 			LLMatrix4a mat_vert;
 			mat_vert.loadu(mat_vert_in);
+								
+			F32* dst = (F32*) vert.get();
+			F32* end_f32 = dst+mGeomCount*4;
 
-			LLVector4a* src = vf.mPositions;
-			volatile F32* dst = (volatile F32*) vert.get();
+			//_mm_prefetch((char*)dst, _MM_HINT_NTA);
+			//_mm_prefetch((char*)src, _MM_HINT_NTA);
+				
+			//_mm_prefetch((char*)dst, _MM_HINT_NTA);
 
-			volatile F32* end = dst+num_vertices*4;
-			LLVector4a res;
 
+			LLVector4a res0; //,res1,res2,res3;
+			
 			LLVector4a texIdx;
 
 			S32 index = mTextureIndex < 255 ? mTextureIndex : 0;
@@ -1921,29 +1961,53 @@ BOOL LLFace::getGeometryVolume(const LLVolume& volume,
 		
 			texIdx.set(0,0,0,val);
 
+			LLVector4a tmp;
+
 			{
-				LLFastTimer t(FTM_FACE_POSITION_STORE);
-				LLVector4a tmp;
+				//LLFastTimer t2(FTM_FACE_POSITION_STORE);
+
+				/*if (num_vertices > 4)
+				{ //more than 64 bytes
+					while (src < end_64)
+					{	
+						_mm_prefetch((char*)src + 64, _MM_HINT_T0);
+						_mm_prefetch((char*)dst + 64, _MM_HINT_T0);
 
-				do
-				{	
-					mat_vert.affineTransform(*src++, res);
-					tmp.setSelectWithMask(mask, texIdx, res);
+						mat_vert.affineTransform(*src, res0);
+						tmp.setSelectWithMask(mask, texIdx, res0);
+						tmp.store4a((F32*) dst);
+
+						mat_vert.affineTransform(*(src+1), res1);
+						tmp.setSelectWithMask(mask, texIdx, res1);
+						tmp.store4a((F32*) dst+4);
+
+						mat_vert.affineTransform(*(src+2), res2);
+						tmp.setSelectWithMask(mask, texIdx, res2);
+						tmp.store4a((F32*) dst+8);
+
+						mat_vert.affineTransform(*(src+3), res3);
+						tmp.setSelectWithMask(mask, texIdx, res3);
+						tmp.store4a((F32*) dst+12);
+
+						dst += 16;
+						src += 4;
+					}
+				}*/
+
+				while (src < end)
+				{
+					mat_vert.affineTransform(*src++, res0);
+					tmp.setSelectWithMask(mask, texIdx, res0);
 					tmp.store4a((F32*) dst);
 					dst += 4;
 				}
-				while(dst < end);
 			}
-
+			
 			{
-				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)
+				//LLFastTimer t(FTM_FACE_POSITION_PAD);
+				while (dst < end_f32)
 				{
-					--aligned_pad_vertices;
-					res.store4a((F32*) dst);
+					res0.store4a((F32*) dst);
 					dst += 4;
 				}
 			}
@@ -1957,14 +2021,16 @@ BOOL LLFace::getGeometryVolume(const LLVolume& volume,
 		
 		if (rebuild_normal)
 		{
-			LLFastTimer t(FTM_FACE_GEOM_NORMAL);
+			//LLFastTimer t(FTM_FACE_GEOM_NORMAL);
 			mVertexBuffer->getNormalStrider(norm, mGeomIndex, mGeomCount, map_range);
 			F32* normals = (F32*) norm.get();
-			for (S32 i = 0; i < num_vertices; i++)
-			{	
+			LLVector4a* src = vf.mNormals;
+			LLVector4a* end = src+num_vertices;
+			
+			while (src < end)
+			{
 				LLVector4a normal;
-				mat_normal.rotate(vf.mNormals[i], normal);
-				normal.normalize3fast();
+				mat_normal.rotate(*src++, normal);
 				normal.store4a(normals);
 				normals += 4;
 			}
@@ -1987,7 +2053,10 @@ BOOL LLFace::getGeometryVolume(const LLVolume& volume,
 			mask.clear();
 			mask.setElement<3>();
 
-			for (S32 i = 0; i < num_vertices; i++)
+			LLVector4a* src = vf.mBinormals;
+			LLVector4a* end = vf.mBinormals+num_vertices;
+
+			while (src < end)
 			{
 				LLVector4a tangent_out;
 				mat_normal.rotate(vf.mTangents[i], tangent_out);
diff --git a/indra/newview/llfasttimerview.cpp b/indra/newview/llfasttimerview.cpp
index fbf72b1a85..8e1a1df211 100755
--- a/indra/newview/llfasttimerview.cpp
+++ b/indra/newview/llfasttimerview.cpp
@@ -345,7 +345,7 @@ BOOL LLFastTimerView::handleScrollWheel(S32 x, S32 y, S32 clicks)
 	return TRUE;
 }
 
-static LLFastTimer::DeclareTimer FTM_RENDER_TIMER("Timers", true);
+static LLFastTimer::DeclareTimer FTM_RENDER_TIMER("Timers");
 
 static std::map<LLFastTimer::NamedTimer*, LLColor4> sTimerColors;
 
diff --git a/indra/newview/llflexibleobject.cpp b/indra/newview/llflexibleobject.cpp
index caad0afec0..98c0c0bf51 100755
--- a/indra/newview/llflexibleobject.cpp
+++ b/indra/newview/llflexibleobject.cpp
@@ -294,6 +294,9 @@ void LLVolumeImplFlexible::onSetVolume(const LLVolumeParams &volume_params, cons
 
 void LLVolumeImplFlexible::updateRenderRes()
 {
+	if (!mAttributes)
+		return;
+
 	LLDrawable* drawablep = mVO->mDrawable;
 
 	S32 new_res = mAttributes->getSimulateLOD();
@@ -435,7 +438,7 @@ void LLVolumeImplFlexible::doFlexibleUpdate()
 		}
 	}
 
-	if(!mInitialized)
+	if(!mInitialized || !mAttributes)
 	{
 		//the object is not visible
 		return ;
@@ -689,30 +692,36 @@ void LLVolumeImplFlexible::doFlexibleUpdate()
 								LLVector4(z_axis, 0.f),
 								LLVector4(delta_pos, 1.f));
 			
+	LL_CHECK_MEMORY
 	for (i=0; i<=num_render_sections; ++i)
 	{
 		new_point = &path->mPath[i];
 		LLVector3 pos = newSection[i].mPosition * rel_xform;
 		LLQuaternion rot = mSection[i].mAxisRotation * newSection[i].mRotation * delta_rot;
-		
-		if (!mUpdated || (new_point->mPos-pos).magVec()/mVO->mDrawable->mDistanceWRTCamera > 0.001f)
+	
+		LLVector3 np(new_point->mPos.getF32ptr());
+
+		if (!mUpdated || (np-pos).magVec()/mVO->mDrawable->mDistanceWRTCamera > 0.001f)
 		{
-			new_point->mPos = newSection[i].mPosition * rel_xform;
+			new_point->mPos.load3((newSection[i].mPosition * rel_xform).mV);
 			mUpdated = FALSE;
 		}
 
-		new_point->mRot = rot;
-		new_point->mScale = newSection[i].mScale;
+		new_point->mRot.loadu(LLMatrix3(rot));
+		new_point->mScale.set(newSection[i].mScale.mV[0], newSection[i].mScale.mV[1], 0,1);
 		new_point->mTexT = ((F32)i)/(num_render_sections);
 	}
-
+	LL_CHECK_MEMORY
 	mLastSegmentRotation = parentSegmentRotation;
 }
 
+static LLFastTimer::DeclareTimer FTM_FLEXI_PREBUILD("Flexi Prebuild");
+
 void LLVolumeImplFlexible::preRebuild()
 {
 	if (!mUpdated)
 	{
+		LLFastTimer t(FTM_FLEXI_PREBUILD);
 		doFlexibleRebuild();
 	}
 }
diff --git a/indra/newview/llfloaterhardwaresettings.cpp b/indra/newview/llfloaterhardwaresettings.cpp
index 116bd241c4..664f7d4fd6 100755
--- a/indra/newview/llfloaterhardwaresettings.cpp
+++ b/indra/newview/llfloaterhardwaresettings.cpp
@@ -89,8 +89,10 @@ void LLFloaterHardwareSettings::refresh()
 
 void LLFloaterHardwareSettings::refreshEnabledState()
 {
+    F32 mem_multiplier = gSavedSettings.getF32("RenderTextureMemoryMultiple");
+    
 	S32 min_tex_mem = LLViewerTextureList::getMinVideoRamSetting();
-	S32 max_tex_mem = LLViewerTextureList::getMaxVideoRamSetting();
+	S32 max_tex_mem = LLViewerTextureList::getMaxVideoRamSetting(false, mem_multiplier);
 	getChild<LLSliderCtrl>("GraphicsCardTextureMemory")->setMinValue(min_tex_mem);
 	getChild<LLSliderCtrl>("GraphicsCardTextureMemory")->setMaxValue(max_tex_mem);
 
diff --git a/indra/newview/llfloaterimnearbychathandler.cpp b/indra/newview/llfloaterimnearbychathandler.cpp
index 9ce5e12897..c4d7bbb7f6 100755
--- a/indra/newview/llfloaterimnearbychathandler.cpp
+++ b/indra/newview/llfloaterimnearbychathandler.cpp
@@ -187,14 +187,11 @@ void LLFloaterIMNearbyChatScreenChannel::deactivateToast(LLToast* toast)
 {
 	toast_vec_t::iterator pos = std::find(m_active_toasts.begin(), m_active_toasts.end(), toast->getHandle());
 
-	if (pos == m_active_toasts.end())
+	if (pos != m_active_toasts.end())
 	{
-		llassert(pos == m_active_toasts.end());
-		return;
+		LL_DEBUGS("NearbyChat") << "Deactivating toast" << llendl;
+		m_active_toasts.erase(pos);
 	}
-
-	LL_DEBUGS("NearbyChat") << "Deactivating toast" << llendl;
-	m_active_toasts.erase(pos);
 }
 
 void	LLFloaterIMNearbyChatScreenChannel::createOverflowToast(S32 bottom, F32 timer)
@@ -210,8 +207,8 @@ void LLFloaterIMNearbyChatScreenChannel::onToastDestroyed(LLToast* toast, bool a
 	{
 		// Viewer is quitting.
 		// Immediately stop processing chat messages (EXT-1419).
-	mStopProcessing = true;
-}
+		mStopProcessing = true;
+	}
 	else
 	{
 		// The toast is being closed by user (STORM-192).
diff --git a/indra/newview/llfloaterland.cpp b/indra/newview/llfloaterland.cpp
index d4355007c1..6ef4d8717d 100755
--- a/indra/newview/llfloaterland.cpp
+++ b/indra/newview/llfloaterland.cpp
@@ -2027,6 +2027,10 @@ void LLPanelLandOptions::refresh()
 		mSnapshotCtrl->setImageAssetID(parcel->getSnapshotID());
 		mSnapshotCtrl->setEnabled( can_change_identity );
 
+		// find out where we're looking and convert that to an angle in degrees on a regular compass (not the internal representation)
+		LLVector3 user_look_at = parcel->getUserLookAt();
+		U32 user_look_at_angle = ( (U32)( ( atan2(user_look_at[1], -user_look_at[0]) + F_PI * 2 ) * RAD_TO_DEG + 0.5) - 90) % 360;
+
 		LLVector3 pos = parcel->getUserLocation();
 		if (pos.isExactlyZero())
 		{
@@ -2034,10 +2038,11 @@ void LLPanelLandOptions::refresh()
 		}
 		else
 		{
-			mLocationText->setTextArg("[LANDING]",llformat("%d, %d, %d",
+			mLocationText->setTextArg("[LANDING]",llformat("%d, %d, %d (%d\xC2\xB0)",
 														   llround(pos.mV[VX]),
 														   llround(pos.mV[VY]),
-														   llround(pos.mV[VZ])));
+		   												   llround(pos.mV[VZ]),
+														   user_look_at_angle));
 		}
 
 		mSetBtn->setEnabled( can_change_landing_point );
diff --git a/indra/newview/llfloatermodelpreview.cpp b/indra/newview/llfloatermodelpreview.cpp
index 100f1d580b..19cec55837 100755
--- a/indra/newview/llfloatermodelpreview.cpp
+++ b/indra/newview/llfloatermodelpreview.cpp
@@ -290,6 +290,22 @@ bool ll_is_degenerate(const LLVector4a& a, const LLVector4a& b, const LLVector4a
 
 bool validate_face(const LLVolumeFace& face)
 {
+
+	for (U32 v = 0; v < face.mNumVertices; v++)
+	{
+		if(face.mPositions && !face.mPositions[v].isFinite3())
+		{
+			llwarns << "NaN position data in face found!" << llendl;
+			return false;
+		}
+
+		if(face.mNormals && !face.mNormals[v].isFinite3())
+		{
+			llwarns << "NaN normal data in face found!" << llendl;
+			return false;
+		}
+	}
+
 	for (U32 i = 0; i < face.mNumIndices; ++i)
 	{
 		if (face.mIndices[i] >= face.mNumVertices)
@@ -305,8 +321,10 @@ bool validate_face(const LLVolumeFace& face)
 		return false;
 	}
 
+
 	/*const LLVector4a scale(0.5f);
 
+
 	for (U32 i = 0; i < face.mNumIndices; i+=3)
 	{
 		U16 idx1 = face.mIndices[i];
@@ -323,7 +341,6 @@ bool validate_face(const LLVolumeFace& face)
 			return false;
 		}
 	}*/
-
 	return true;
 }
 
@@ -5921,3 +5938,5 @@ void LLFloaterModelPreview::setPermissonsErrorStatus(U32 status, const std::stri
 
 	LLNotificationsUtil::add("MeshUploadPermError");
 }
+
+
diff --git a/indra/newview/llfloaterpreference.cpp b/indra/newview/llfloaterpreference.cpp
index 55b03986d0..fbafc90bbe 100755
--- a/indra/newview/llfloaterpreference.cpp
+++ b/indra/newview/llfloaterpreference.cpp
@@ -337,7 +337,7 @@ LLFloaterPreference::LLFloaterPreference(const LLSD& key)
 	mCommitCallbackRegistrar.add("Pref.HardwareDefaults",		boost::bind(&LLFloaterPreference::setHardwareDefaults, this));
 	mCommitCallbackRegistrar.add("Pref.VertexShaderEnable",		boost::bind(&LLFloaterPreference::onVertexShaderEnable, this));
 	mCommitCallbackRegistrar.add("Pref.WindowedMod",			boost::bind(&LLFloaterPreference::onCommitWindowedMode, this));
-	mCommitCallbackRegistrar.add("Pref.UpdateSliderText",		boost::bind(&LLFloaterPreference::onUpdateSliderText,this, _1,_2));
+	mCommitCallbackRegistrar.add("Pref.UpdateSliderText",		boost::bind(&LLFloaterPreference::refreshUI,this));
 	mCommitCallbackRegistrar.add("Pref.QualityPerformance",		boost::bind(&LLFloaterPreference::onChangeQuality, this, _2));
 	mCommitCallbackRegistrar.add("Pref.applyUIColor",			boost::bind(&LLFloaterPreference::applyUIColor, this ,_1, _2));
 	mCommitCallbackRegistrar.add("Pref.getUIColor",				boost::bind(&LLFloaterPreference::getUIColor, this ,_1, _2));
@@ -1148,6 +1148,8 @@ void LLFloaterPreference::refreshEnabledState()
 
 	//Deferred/SSAO/Shadows
 	LLCheckBoxCtrl* ctrl_deferred = getChild<LLCheckBoxCtrl>("UseLightShaders");
+	LLCheckBoxCtrl* ctrl_deferred2 = getChild<LLCheckBoxCtrl>("UseLightShaders2");
+
 	
 	BOOL enabled = LLFeatureManager::getInstance()->isFeatureAvailable("RenderDeferred") &&
 						((bumpshiny_ctrl && bumpshiny_ctrl->get()) ? TRUE : FALSE) &&
@@ -1157,11 +1159,13 @@ void LLFloaterPreference::refreshEnabledState()
 						(ctrl_wind_light->get()) ? TRUE : FALSE;
 
 	ctrl_deferred->setEnabled(enabled);
-	
+	ctrl_deferred2->setEnabled(enabled);
+
 	LLCheckBoxCtrl* ctrl_ssao = getChild<LLCheckBoxCtrl>("UseSSAO");
 	LLCheckBoxCtrl* ctrl_dof = getChild<LLCheckBoxCtrl>("UseDoF");
 	LLComboBox* ctrl_shadow = getChild<LLComboBox>("ShadowDetail");
 
+	// note, okay here to get from ctrl_deferred as it's twin, ctrl_deferred2 will alway match it
 	enabled = enabled && LLFeatureManager::getInstance()->isFeatureAvailable("RenderDeferredSSAO") && (ctrl_deferred->get() ? TRUE : FALSE);
 	
 	ctrl_deferred->set(gSavedSettings.getBOOL("RenderDeferred"));
@@ -1189,6 +1193,7 @@ void LLFloaterPreference::disableUnavailableSettings()
 	LLCheckBoxCtrl* ctrl_wind_light    = getChild<LLCheckBoxCtrl>("WindLightUseAtmosShaders");
 	LLCheckBoxCtrl* ctrl_avatar_impostors = getChild<LLCheckBoxCtrl>("AvatarImpostors");
 	LLCheckBoxCtrl* ctrl_deferred = getChild<LLCheckBoxCtrl>("UseLightShaders");
+	LLCheckBoxCtrl* ctrl_deferred2 = getChild<LLCheckBoxCtrl>("UseLightShaders2");
 	LLComboBox* ctrl_shadows = getChild<LLComboBox>("ShadowDetail");
 	LLCheckBoxCtrl* ctrl_ssao = getChild<LLCheckBoxCtrl>("UseSSAO");
 	LLCheckBoxCtrl* ctrl_dof = getChild<LLCheckBoxCtrl>("UseDoF");
@@ -1222,6 +1227,8 @@ void LLFloaterPreference::disableUnavailableSettings()
 
 		ctrl_deferred->setEnabled(FALSE);
 		ctrl_deferred->setValue(FALSE);
+		ctrl_deferred2->setEnabled(FALSE);
+		ctrl_deferred2->setValue(FALSE);
 	}
 	
 	// disabled windlight
@@ -1242,6 +1249,8 @@ void LLFloaterPreference::disableUnavailableSettings()
 
 		ctrl_deferred->setEnabled(FALSE);
 		ctrl_deferred->setValue(FALSE);
+		ctrl_deferred2->setEnabled(FALSE);
+		ctrl_deferred2->setValue(FALSE);
 	}
 
 	// disabled deferred
@@ -1259,6 +1268,8 @@ void LLFloaterPreference::disableUnavailableSettings()
 
 		ctrl_deferred->setEnabled(FALSE);
 		ctrl_deferred->setValue(FALSE);
+		ctrl_deferred2->setEnabled(FALSE);
+		ctrl_deferred2->setValue(FALSE);
 	}
 	
 	// disabled deferred SSAO
@@ -1303,6 +1314,8 @@ void LLFloaterPreference::disableUnavailableSettings()
 
 		ctrl_deferred->setEnabled(FALSE);
 		ctrl_deferred->setValue(FALSE);
+		ctrl_deferred2->setEnabled(FALSE);
+		ctrl_deferred2->setValue(FALSE);
 	}
 
 	// disabled cloth
@@ -1331,6 +1344,7 @@ void LLFloaterPreference::refresh()
 	updateSliderText(getChild<LLSliderCtrl>("FlexibleMeshDetail",	true), getChild<LLTextBox>("FlexibleMeshDetailText",	true));
 	updateSliderText(getChild<LLSliderCtrl>("TreeMeshDetail",		true), getChild<LLTextBox>("TreeMeshDetailText",		true));
 	updateSliderText(getChild<LLSliderCtrl>("AvatarMeshDetail",		true), getChild<LLTextBox>("AvatarMeshDetailText",		true));
+	updateSliderText(getChild<LLSliderCtrl>("AvatarMeshDetail2",		true), getChild<LLTextBox>("AvatarMeshDetailText2",		true));
 	updateSliderText(getChild<LLSliderCtrl>("AvatarPhysicsDetail",	true), getChild<LLTextBox>("AvatarPhysicsDetailText",		true));
 	updateSliderText(getChild<LLSliderCtrl>("TerrainMeshDetail",	true), getChild<LLTextBox>("TerrainMeshDetailText",		true));
 	updateSliderText(getChild<LLSliderCtrl>("RenderPostProcess",	true), getChild<LLTextBox>("PostProcessText",			true));
@@ -1582,16 +1596,9 @@ void LLFloaterPreference::setPersonalInfo(const std::string& visibility, bool im
 	getChildView("chat_font_size")->setEnabled(TRUE);
 }
 
-void LLFloaterPreference::onUpdateSliderText(LLUICtrl* ctrl, const LLSD& name)
+void LLFloaterPreference::refreshUI()
 {
-	std::string ctrl_name = name.asString();
-	
-	if ((ctrl_name =="" )|| !hasChild(ctrl_name, TRUE))
-		return;
-	
-	LLTextBox* text_box = getChild<LLTextBox>(name.asString());
-	LLSliderCtrl* slider = dynamic_cast<LLSliderCtrl*>(ctrl);
-	updateSliderText(slider, text_box);
+	refresh();
 }
 
 void LLFloaterPreference::updateSliderText(LLSliderCtrl* ctrl, LLTextBox* text_box)
diff --git a/indra/newview/llfloaterpreference.h b/indra/newview/llfloaterpreference.h
index 22e80a21cb..cb180f6f1e 100755
--- a/indra/newview/llfloaterpreference.h
+++ b/indra/newview/llfloaterpreference.h
@@ -154,8 +154,7 @@ public:
 	void onChangeQuality(const LLSD& data);
 	
 	void updateSliderText(LLSliderCtrl* ctrl, LLTextBox* text_box);
-	void onUpdateSliderText(LLUICtrl* ctrl, const LLSD& name);
-//	void fractionFromDecimal(F32 decimal_val, S32& numerator, S32& denominator);
+	void refreshUI();
 
 	void onCommitParcelMediaAutoPlayEnable();
 	void onCommitMediaEnabled();
diff --git a/indra/newview/llfloaterwebcontent.h b/indra/newview/llfloaterwebcontent.h
index cfc87e9015..86b5a5e00b 100755
--- a/indra/newview/llfloaterwebcontent.h
+++ b/indra/newview/llfloaterwebcontent.h
@@ -43,6 +43,7 @@ class LLFloaterWebContent :
 	public LLInstanceTracker<LLFloaterWebContent, std::string>
 {
 public:
+
 	typedef LLInstanceTracker<LLFloaterWebContent, std::string> instance_tracker_t;
     LOG_CLASS(LLFloaterWebContent);
 
diff --git a/indra/newview/llmaniptranslate.cpp b/indra/newview/llmaniptranslate.cpp
index b62db70ec8..06bf294417 100755
--- a/indra/newview/llmaniptranslate.cpp
+++ b/indra/newview/llmaniptranslate.cpp
@@ -1681,7 +1681,8 @@ void LLManipTranslate::highlightIntersection(LLVector3 normal,
 
 		gGL.getModelviewMatrix().inverse().mult_vec_matrix(plane);
 
-		gClipProgram.uniform4fv("clip_plane", 1, plane.v);
+		static LLStaticHashedString sClipPlane("clip_plane");
+		gClipProgram.uniform4fv(sClipPlane, 1, plane.v);
 		
 		BOOL particles = gPipeline.hasRenderType(LLPipeline::RENDER_TYPE_PARTICLES);
 		BOOL clouds = gPipeline.hasRenderType(LLPipeline::RENDER_TYPE_CLOUDS);
diff --git a/indra/newview/llmediactrl.h b/indra/newview/llmediactrl.h
index 7f2a5e1642..6c38c1fb56 100755
--- a/indra/newview/llmediactrl.h
+++ b/indra/newview/llmediactrl.h
@@ -46,6 +46,7 @@ class LLMediaCtrl :
 {
 	LOG_CLASS(LLMediaCtrl);
 public:
+
 	struct Params : public LLInitParam::Block<Params, LLPanel::Params> 
 	{
 		Optional<std::string>	start_url;
diff --git a/indra/newview/llmeshrepository.cpp b/indra/newview/llmeshrepository.cpp
index b47fe9d4b1..83b7cae347 100755
--- a/indra/newview/llmeshrepository.cpp
+++ b/indra/newview/llmeshrepository.cpp
@@ -288,7 +288,14 @@ public:
 
 	~LLMeshSkinInfoResponder()
 	{
-		llassert(mProcessed);
+		if (!LLApp::isQuitting() &&
+			!mProcessed &&
+			mMeshID.notNull())
+		{	// Something went wrong, retry
+			llwarns << "Timeout or service unavailable, retrying loadMeshSkinInfo() for " << mMeshID << llendl;
+			LLMeshRepository::sHTTPRetryCount++;
+			gMeshRepo.mThread->loadMeshSkinInfo(mMeshID);
+		}
 	}
 
 	virtual void completedRaw(U32 status, const std::string& reason,
@@ -313,7 +320,14 @@ public:
 
 	~LLMeshDecompositionResponder()
 	{
-		llassert(mProcessed);
+		if (!LLApp::isQuitting() &&
+			!mProcessed &&
+			mMeshID.notNull())
+		{	// Something went wrong, retry
+			llwarns << "Timeout or service unavailable, retrying loadMeshDecomposition() for " << mMeshID << llendl;
+			LLMeshRepository::sHTTPRetryCount++;
+			gMeshRepo.mThread->loadMeshDecomposition(mMeshID);
+		}
 	}
 
 	virtual void completedRaw(U32 status, const std::string& reason,
@@ -338,7 +352,14 @@ public:
 
 	~LLMeshPhysicsShapeResponder()
 	{
-		llassert(mProcessed);
+		if (!LLApp::isQuitting() &&
+			!mProcessed &&
+			mMeshID.notNull())
+		{	// Something went wrong, retry
+			llwarns << "Timeout or service unavailable, retrying loadMeshPhysicsShape() for " << mMeshID << llendl;
+			LLMeshRepository::sHTTPRetryCount++;
+			gMeshRepo.mThread->loadMeshPhysicsShape(mMeshID);
+		}
 	}
 
 	virtual void completedRaw(U32 status, const std::string& reason,
@@ -588,7 +609,7 @@ void LLMeshRepoThread::run()
 					if (!fetchMeshLOD(req.mMeshParams, req.mLOD, count))//failed, resubmit
 					{
 						mMutex->lock();
-						mLODReqQ.push(req) ; 
+						mLODReqQ.push(req); 
 						mMutex->unlock();
 					}
 				}
@@ -1200,8 +1221,7 @@ bool LLMeshRepoThread::headerReceived(const LLVolumeParams& mesh_params, U8* dat
 			LLMutexLock lock(mHeaderMutex);
 			mMeshHeaderSize[mesh_id] = header_size;
 			mMeshHeader[mesh_id] = header;
-			}
-
+		}
 
 		LLMutexLock lock(mMutex); // make sure only one thread access mPendingLOD at the same time.
 
@@ -1919,7 +1939,7 @@ void LLMeshLODResponder::completedRaw(U32 status, const std::string& reason,
 
 	if (data_size < mRequestedBytes)
 	{
-		if (status == 499 || status == 503)
+		if (status == HTTP_INTERNAL_ERROR || status == HTTP_SERVICE_UNAVAILABLE)
 		{ //timeout or service unavailable, try again
 			llwarns << "Timeout or service unavailable, retrying." << llendl;
 			LLMeshRepository::sHTTPRetryCount++;
@@ -1927,7 +1947,7 @@ void LLMeshLODResponder::completedRaw(U32 status, const std::string& reason,
 		}
 		else
 		{
-			llassert(status == 499 || status == 503); //intentionally trigger a breakpoint
+			llassert(status == HTTP_INTERNAL_ERROR || status == HTTP_SERVICE_UNAVAILABLE); //intentionally trigger a breakpoint
 			llwarns << "Unhandled status " << status << llendl;
 		}
 		return;
@@ -1983,15 +2003,15 @@ void LLMeshSkinInfoResponder::completedRaw(U32 status, const std::string& reason
 
 	if (data_size < mRequestedBytes)
 	{
-		if (status == 499 || status == 503)
+		if (status == HTTP_INTERNAL_ERROR || status == HTTP_SERVICE_UNAVAILABLE)
 		{ //timeout or service unavailable, try again
-			llwarns << "Timeout or service unavailable, retrying." << llendl;
+			llwarns << "Timeout or service unavailable, retrying loadMeshSkinInfo() for " << mMeshID << llendl;
 			LLMeshRepository::sHTTPRetryCount++;
 			gMeshRepo.mThread->loadMeshSkinInfo(mMeshID);
 		}
 		else
 		{
-			llassert(status == 499 || status == 503); //intentionally trigger a breakpoint
+			llassert(status == HTTP_INTERNAL_ERROR || status == HTTP_SERVICE_UNAVAILABLE); //intentionally trigger a breakpoint
 			llwarns << "Unhandled status " << status << llendl;
 		}
 		return;
@@ -2046,15 +2066,15 @@ void LLMeshDecompositionResponder::completedRaw(U32 status, const std::string& r
 
 	if (data_size < mRequestedBytes)
 	{
-		if (status == 499 || status == 503)
+		if (status == HTTP_INTERNAL_ERROR || status == HTTP_SERVICE_UNAVAILABLE)
 		{ //timeout or service unavailable, try again
-			llwarns << "Timeout or service unavailable, retrying." << llendl;
+			llwarns << "Timeout or service unavailable, retrying loadMeshDecomposition() for " << mMeshID << llendl;
 			LLMeshRepository::sHTTPRetryCount++;
 			gMeshRepo.mThread->loadMeshDecomposition(mMeshID);
 		}
 		else
 		{
-			llassert(status == 499 || status == 503); //intentionally trigger a breakpoint
+			llassert(status == HTTP_INTERNAL_ERROR || status == HTTP_SERVICE_UNAVAILABLE); //intentionally trigger a breakpoint
 			llwarns << "Unhandled status " << status << llendl;
 		}
 		return;
@@ -2110,15 +2130,15 @@ void LLMeshPhysicsShapeResponder::completedRaw(U32 status, const std::string& re
 
 	if (data_size < mRequestedBytes)
 	{
-		if (status == 499 || status == 503)
+		if (status == HTTP_INTERNAL_ERROR || status == HTTP_SERVICE_UNAVAILABLE)
 		{ //timeout or service unavailable, try again
-			llwarns << "Timeout or service unavailable, retrying." << llendl;
+			llwarns << "Timeout or service unavailable, retrying loadMeshPhysicsShape() for " << mMeshID << llendl;
 			LLMeshRepository::sHTTPRetryCount++;
 			gMeshRepo.mThread->loadMeshPhysicsShape(mMeshID);
 		}
 		else
 		{
-			llassert(status == 499 || status == 503); //intentionally trigger a breakpoint
+			llassert(status == HTTP_INTERNAL_ERROR || status == HTTP_SERVICE_UNAVAILABLE); //intentionally trigger a breakpoint
 			llwarns << "Unhandled status " << status << llendl;
 		}
 		return;
@@ -2171,16 +2191,16 @@ void LLMeshHeaderResponder::completedRaw(U32 status, const std::string& reason,
 		//	<< "Header responder failed with status: "
 		//	<< status << ": " << reason << llendl;
 
-		// 503 (service unavailable) or 499 (timeout)
+		// 503 (service unavailable) or 499 (internal Linden-generated error)
 		// can be due to server load and can be retried
 
 		// TODO*: Add maximum retry logic, exponential backoff
 		// and (somewhat more optional than the others) retries
 		// again after some set period of time
 
-		llassert(status == 503 || status == 499);
+		llassert(status == HTTP_NOT_FOUND || status == HTTP_SERVICE_UNAVAILABLE || status == HTTP_REQUEST_TIME_OUT || status == HTTP_INTERNAL_ERROR);
 
-		if (status == 503 || status == 499)
+		if (status == HTTP_SERVICE_UNAVAILABLE || status == HTTP_REQUEST_TIME_OUT || status == HTTP_INTERNAL_ERROR)
 		{ //retry
 			llwarns << "Timeout or service unavailable, retrying." << llendl;
 			LLMeshRepository::sHTTPRetryCount++;
@@ -2192,7 +2212,7 @@ void LLMeshHeaderResponder::completedRaw(U32 status, const std::string& reason,
 		}
 		else
 		{
-			llwarns << "Unhandled status." << llendl;
+			llwarns << "Unhandled status: " << status << llendl;
 		}
 	}
 
diff --git a/indra/newview/llnamelistctrl.h b/indra/newview/llnamelistctrl.h
index 5aa1e1c458..92e82b672d 100755
--- a/indra/newview/llnamelistctrl.h
+++ b/indra/newview/llnamelistctrl.h
@@ -67,6 +67,7 @@ class LLNameListCtrl
 :	public LLScrollListCtrl, public LLInstanceTracker<LLNameListCtrl>
 {
 public:
+
 	typedef enum e_name_type
 	{
 		INDIVIDUAL,
diff --git a/indra/newview/llspatialpartition.cpp b/indra/newview/llspatialpartition.cpp
index 6f1d962497..b5dab96d93 100755
--- a/indra/newview/llspatialpartition.cpp
+++ b/indra/newview/llspatialpartition.cpp
@@ -1404,7 +1404,9 @@ void LLSpatialGroup::handleDestruction(const TreeNode* node)
 		if (bridge->mAvatar.notNull())
 		{
 			bridge->mAvatar->mAttachmentGeometryBytes -= mGeometryBytes;
+			bridge->mAvatar->mAttachmentGeometryBytes = llmax(bridge->mAvatar->mAttachmentGeometryBytes, 0);
 			bridge->mAvatar->mAttachmentSurfaceArea -= mSurfaceArea;
+			bridge->mAvatar->mAttachmentSurfaceArea = llmax(bridge->mAvatar->mAttachmentSurfaceArea, 0.f);
 		}
 	}
 
@@ -4683,6 +4685,9 @@ LLDrawInfo::LLDrawInfo(U16 start, U16 end, U32 count, U32 offset,
 	mMaterial(NULL),
 	mShaderMask(0),
 	mSpecColor(1.0f, 1.0f, 1.0f, 0.5f),
+	mBlendFuncSrc(LLRender::BF_SOURCE_ALPHA),
+	mBlendFuncDst(LLRender::BF_ONE_MINUS_SOURCE_ALPHA),
+	mHasGlow(FALSE)
 	mEnvIntensity(0.0f),
 	mAlphaMaskCutoff(0.5f),
 	mDiffuseAlphaMode(0)
diff --git a/indra/newview/llspatialpartition.h b/indra/newview/llspatialpartition.h
index 9732be90af..f26defd5e1 100755
--- a/indra/newview/llspatialpartition.h
+++ b/indra/newview/llspatialpartition.h
@@ -70,12 +70,12 @@ protected:
 public:
 	void* operator new(size_t size)
 	{
-		return ll_aligned_malloc_16(size);
+		return ll_aligned_malloc(size,64);
 	}
 
 	void operator delete(void* ptr)
 	{
-		ll_aligned_free_16(ptr);
+		ll_aligned_free(ptr);
 	}
 
 
@@ -123,6 +123,9 @@ public:
 	LLMaterialPtr mMaterial; // If this is null, the following parameters are unused.
 	LLMaterialID mMaterialID;
 	U32 mShaderMask;
+	U32 mBlendFuncSrc;
+	U32 mBlendFuncDst;
+	BOOL mHasGlow;
 	LLPointer<LLViewerTexture> mSpecularMap;
 	const LLMatrix4* mSpecularMapMatrix;
 	LLPointer<LLViewerTexture> mNormalMap;
@@ -752,7 +755,7 @@ 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, std::vector<LLFace*>& faces, BOOL distance_sort = FALSE, BOOL batch_textures = FALSE, BOOL no_materials = FALSE);
+	void 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);
 };
 
diff --git a/indra/newview/lltoast.cpp b/indra/newview/lltoast.cpp
index 9dfb29b905..d876c9a3f4 100755
--- a/indra/newview/lltoast.cpp
+++ b/indra/newview/lltoast.cpp
@@ -173,8 +173,20 @@ void LLToast::setHideButtonEnabled(bool enabled)
 
 //--------------------------------------------------------------------------
 LLToast::~LLToast()
-{	
-	mOnToastDestroyedSignal(this);
+{
+	if(LLApp::isQuitting())
+	{
+		mOnFadeSignal.disconnect_all_slots();
+		mOnDeleteToastSignal.disconnect_all_slots();
+		mOnToastDestroyedSignal.disconnect_all_slots();
+		mOnToastHoverSignal.disconnect_all_slots();
+		mToastMouseEnterSignal.disconnect_all_slots();
+		mToastMouseLeaveSignal.disconnect_all_slots();
+	}
+	else
+	{
+		mOnToastDestroyedSignal(this);
+	}
 }
 
 //--------------------------------------------------------------------------
@@ -572,10 +584,34 @@ S32	LLToast::notifyParent(const LLSD& info)
 //static
 void LLToast::updateClass()
 {
-	for (LLInstanceTracker<LLToast>::instance_iter iter = LLInstanceTracker<LLToast>::beginInstances(); iter != LLInstanceTracker<LLToast>::endInstances(); ) 
+	for (LLInstanceTracker<LLToast>::instance_iter iter = LLInstanceTracker<LLToast>::beginInstances(); 
+			iter != LLInstanceTracker<LLToast>::endInstances(); ) 
 	{
 		LLToast& toast = *iter++;
 		
 		toast.updateHoveredState();
 	}
 }
+
+// static 
+void LLToast::cleanupToasts()
+{
+	LLToast * toastp = NULL;
+
+	while (LLInstanceTracker<LLToast>::instanceCount() > 0)
+	{
+		{	// Need to scope iter to allow deletion
+			LLInstanceTracker<LLToast>::instance_iter iter = LLInstanceTracker<LLToast>::beginInstances(); 
+			toastp = &(*iter);
+		}
+
+		//llinfos << "Cleaning up toast id " << toastp->getNotificationID() << llendl;
+
+		// LLToast destructor will remove it from the LLInstanceTracker.
+		if (!toastp)
+			break;		// Don't get stuck in the loop if a null pointer somehow got on the list
+
+		delete toastp;
+	}
+}
+
diff --git a/indra/newview/lltoast.h b/indra/newview/lltoast.h
index ea62f758f8..f02d7c2a1a 100755
--- a/indra/newview/lltoast.h
+++ b/indra/newview/lltoast.h
@@ -73,6 +73,7 @@ class LLToast : public LLModalDialog, public LLInstanceTracker<LLToast>
 {
 	friend class LLToastLifeTimer;
 public:
+
 	typedef boost::function<void (LLToast* toast)> toast_callback_t;
 	typedef boost::signals2::signal<void (LLToast* toast)> toast_signal_t;
 	typedef boost::signals2::signal<void (LLToast* toast, bool mouse_enter)> toast_hover_check_signal_t;
@@ -105,6 +106,7 @@ public:
 	};
 	
 	static void updateClass();
+	static void cleanupToasts();
 
 	LLToast(const LLToast::Params& p);
 	virtual ~LLToast();
diff --git a/indra/newview/lltoastnotifypanel.cpp b/indra/newview/lltoastnotifypanel.cpp
index 8bfde2bcf1..94d07b37ef 100755
--- a/indra/newview/lltoastnotifypanel.cpp
+++ b/indra/newview/lltoastnotifypanel.cpp
@@ -60,7 +60,7 @@ LLToastNotifyPanel::LLToastNotifyPanel(const LLNotificationPtr& notification, co
 	LLInstanceTracker<LLToastNotifyPanel, LLUUID>(notification->getID())
 {
 	init(rect, show_images);
-	}
+}
 void LLToastNotifyPanel::addDefaultButton()
 {
 	LLSD form_element;
diff --git a/indra/newview/lltoolselect.h b/indra/newview/lltoolselect.h
index baa27f6071..74dababe8c 100755
--- a/indra/newview/lltoolselect.h
+++ b/indra/newview/lltoolselect.h
@@ -34,7 +34,7 @@
 
 class LLObjectSelection;
 
-class LLToolSelect : public LLTool, public LLSingleton<LLToolSelect>
+class LLToolSelect : public LLTool
 {
 public:
 	LLToolSelect( LLToolComposite* composite );
diff --git a/indra/newview/llviewerdisplay.cpp b/indra/newview/llviewerdisplay.cpp
index b07fe39e37..eb7b467855 100755
--- a/indra/newview/llviewerdisplay.cpp
+++ b/indra/newview/llviewerdisplay.cpp
@@ -225,13 +225,13 @@ void display_stats()
 }
 
 static LLFastTimer::DeclareTimer FTM_PICK("Picking");
-static LLFastTimer::DeclareTimer FTM_RENDER("Render", true);
+static LLFastTimer::DeclareTimer FTM_RENDER("Render");
 static LLFastTimer::DeclareTimer FTM_UPDATE_SKY("Update Sky");
 static LLFastTimer::DeclareTimer FTM_UPDATE_TEXTURES("Update Textures");
 static LLFastTimer::DeclareTimer FTM_IMAGE_UPDATE("Update Images");
 static LLFastTimer::DeclareTimer FTM_IMAGE_UPDATE_CLASS("Class");
 static LLFastTimer::DeclareTimer FTM_IMAGE_UPDATE_BUMP("Image Update Bump");
-static LLFastTimer::DeclareTimer FTM_IMAGE_UPDATE_LIST("List");
+static LLFastTimer::DeclareTimer FTM_IMAGE_UPDATE_LIST("List", true);
 static LLFastTimer::DeclareTimer FTM_IMAGE_UPDATE_DELETE("Delete");
 static LLFastTimer::DeclareTimer FTM_RESIZE_WINDOW("Resize Window");
 static LLFastTimer::DeclareTimer FTM_HUD_UPDATE("HUD Update");
diff --git a/indra/newview/llviewerfoldertype.cpp b/indra/newview/llviewerfoldertype.cpp
index a179b61cff..a179b61cff 100755..100644
--- a/indra/newview/llviewerfoldertype.cpp
+++ b/indra/newview/llviewerfoldertype.cpp
diff --git a/indra/newview/llviewermenu.cpp b/indra/newview/llviewermenu.cpp
index 49eb7dc94a..33d4b65d4a 100755
--- a/indra/newview/llviewermenu.cpp
+++ b/indra/newview/llviewermenu.cpp
@@ -2930,6 +2930,63 @@ bool enable_object_unmute()
 	}
 }
 
+
+// 0 = normal, 1 = always, 2 = never
+class LLAvatarCheckImposterMode : public view_listener_t
+{	
+	bool handleEvent(const LLSD& userdata)
+	{
+		LLViewerObject* object = LLSelectMgr::getInstance()->getSelection()->getPrimaryObject();
+		if (!object) return false;
+
+		LLVOAvatar* avatar = find_avatar_from_object(object); 
+		if (!avatar) return false;
+		
+		U32 mode = userdata.asInteger();
+		switch (mode) 
+		{
+			case 0:
+				return (avatar->getVisualMuteSettings() == LLVOAvatar::VISUAL_MUTE_NOT_SET);
+			case 1:
+				return (avatar->getVisualMuteSettings() == LLVOAvatar::ALWAYS_VISUAL_MUTE);
+			case 2:
+				return (avatar->getVisualMuteSettings() == LLVOAvatar::NEVER_VISUAL_MUTE);
+			default:
+				return false;
+		}
+	}	// handleEvent()
+};
+
+// 0 = normal, 1 = always, 2 = never
+class LLAvatarSetImposterMode : public view_listener_t
+{
+	bool handleEvent(const LLSD& userdata)
+	{
+		LLViewerObject* object = LLSelectMgr::getInstance()->getSelection()->getPrimaryObject();
+		if (!object) return false;
+
+		LLVOAvatar* avatar = find_avatar_from_object(object); 
+		if (!avatar) return false;
+		
+		U32 mode = userdata.asInteger();
+		switch (mode) 
+		{
+			case 0:
+				avatar->setVisualMuteSettings(LLVOAvatar::VISUAL_MUTE_NOT_SET);
+				return true;
+			case 1:
+				avatar->setVisualMuteSettings(LLVOAvatar::ALWAYS_VISUAL_MUTE);
+				return true;
+			case 2:
+				avatar->setVisualMuteSettings(LLVOAvatar::NEVER_VISUAL_MUTE);
+				return true;
+			default:
+				return false;
+		}
+	}	// handleEvent()
+};
+
+
 class LLObjectMute : public view_listener_t
 {
 	bool handleEvent(const LLSD& userdata)
@@ -8681,6 +8738,8 @@ void initialize_menus()
 	view_listener_t::addMenu( new LLCheckPanelPeopleTab(), "SideTray.CheckPanelPeopleTab");
 
 	 // Avatar pie menu
+	view_listener_t::addMenu(new LLAvatarCheckImposterMode(), "Avatar.CheckImposterMode");
+	view_listener_t::addMenu(new LLAvatarSetImposterMode(), "Avatar.SetImposterMode");
 	view_listener_t::addMenu(new LLObjectMute(), "Avatar.Mute");
 	view_listener_t::addMenu(new LLAvatarAddFriend(), "Avatar.AddFriend");
 	view_listener_t::addMenu(new LLAvatarAddContact(), "Avatar.AddContact");
diff --git a/indra/newview/llviewermessage.cpp b/indra/newview/llviewermessage.cpp
index 0db118835c..d6ba803c46 100755
--- a/indra/newview/llviewermessage.cpp
+++ b/indra/newview/llviewermessage.cpp
@@ -4129,7 +4129,7 @@ void process_agent_movement_complete(LLMessageSystem* msg, void**)
 		{
 			LLTracker::stopTracking(NULL);
 		}
-		else if ( is_teleport && !gAgent.getTeleportKeepsLookAt() )
+		else if ( is_teleport && !gAgent.getTeleportKeepsLookAt() && look_at.isExactlyZero())
 		{
 			//look at the beacon
 			LLVector3 global_agent_pos = agent_pos;
@@ -5938,19 +5938,42 @@ bool attempt_standard_notification(LLMessageSystem* msgsystem)
 }
 
 
+static void process_special_alert_messages(const std::string & message)
+{
+	// Do special handling for alert messages.   This is a legacy hack, and any actual displayed
+	// text should be altered in the notifications.xml files.
+	if ( message == "You died and have been teleported to your home location")
+	{
+		LLViewerStats::getInstance()->incStat(LLViewerStats::ST_KILLED_COUNT);
+	}
+	else if( message == "Home position set." )
+	{
+		// save the home location image to disk
+		std::string snap_filename = gDirUtilp->getLindenUserDir();
+		snap_filename += gDirUtilp->getDirDelimiter();
+		snap_filename += SCREEN_HOME_FILENAME;
+		gViewerWindow->saveSnapshot(snap_filename, gViewerWindow->getWindowWidthRaw(), gViewerWindow->getWindowHeightRaw(), FALSE, FALSE);
+	}
+}
+
+
+
 void process_agent_alert_message(LLMessageSystem* msgsystem, void** user_data)
 {
 	// make sure the cursor is back to the usual default since the
 	// alert is probably due to some kind of error.
 	gViewerWindow->getWindow()->resetBusyCount();
 	
+	std::string message;
+	msgsystem->getStringFast(_PREHASH_AlertData, _PREHASH_Message, message);
+
+	process_special_alert_messages(message);
+
 	if (!attempt_standard_notification(msgsystem))
 	{
 		BOOL modal = FALSE;
 		msgsystem->getBOOL("AlertData", "Modal", modal);
-		std::string buffer;
-		msgsystem->getStringFast(_PREHASH_AlertData, _PREHASH_Message, buffer);
-		process_alert_core(buffer, modal);
+		process_alert_core(message, modal);
 	}
 }
 
@@ -5965,12 +5988,15 @@ void process_alert_message(LLMessageSystem *msgsystem, void **user_data)
 	// alert is probably due to some kind of error.
 	gViewerWindow->getWindow()->resetBusyCount();
 		
+	std::string message;
+	msgsystem->getStringFast(_PREHASH_AlertData, _PREHASH_Message, message);
+
+	process_special_alert_messages(message);
+
 	if (!attempt_standard_notification(msgsystem))
 	{
 		BOOL modal = FALSE;
-		std::string buffer;
-		msgsystem->getStringFast(_PREHASH_AlertData, _PREHASH_Message, buffer);
-		process_alert_core(buffer, modal);
+		process_alert_core(message, modal);
 	}
 }
 
@@ -6000,20 +6026,6 @@ bool handle_special_alerts(const std::string &pAlertName)
 
 void process_alert_core(const std::string& message, BOOL modal)
 {
-	// HACK -- handle callbacks for specific alerts. It also is localized in notifications.xml
-	if ( message == "You died and have been teleported to your home location")
-	{
-		LLViewerStats::getInstance()->incStat(LLViewerStats::ST_KILLED_COUNT);
-	}
-	else if( message == "Home position set." )
-	{
-		// save the home location image to disk
-		std::string snap_filename = gDirUtilp->getLindenUserDir();
-		snap_filename += gDirUtilp->getDirDelimiter();
-		snap_filename += SCREEN_HOME_FILENAME;
-		gViewerWindow->saveSnapshot(snap_filename, gViewerWindow->getWindowWidthRaw(), gViewerWindow->getWindowHeightRaw(), FALSE, FALSE);
-	}
-
 	const std::string ALERT_PREFIX("ALERT: ");
 	const std::string NOTIFY_PREFIX("NOTIFY: ");
 	if (message.find(ALERT_PREFIX) == 0)
diff --git a/indra/newview/llviewerobject.cpp b/indra/newview/llviewerobject.cpp
index 6f7b2f40e6..e92cc39ba7 100755
--- a/indra/newview/llviewerobject.cpp
+++ b/indra/newview/llviewerobject.cpp
@@ -1578,6 +1578,8 @@ U32 LLViewerObject::processUpdateMessage(LLMessageSystem *mesgsys,
 				dp->setPassFlags(value);
 				dp->unpackUUID(owner_id, "Owner");
 
+				mOwnerID = owner_id;
+
 				if (value & 0x80)
 				{
 					dp->unpackVector3(new_angv, "Omega");
@@ -1651,13 +1653,13 @@ U32 LLViewerObject::processUpdateMessage(LLMessageSystem *mesgsys,
                 retval |= checkMediaURL(media_url);
 
 				//
-				// Unpack particle system data
+				// Unpack particle system data (legacy)
 				//
 				if (value & 0x8)
 				{
-					unpackParticleSource(*dp, owner_id);
+					unpackParticleSource(*dp, owner_id, true);
 				}
-				else
+				else if (!(value & 0x400))
 				{
 					deleteParticleSource();
 				}
@@ -1722,7 +1724,7 @@ U32 LLViewerObject::processUpdateMessage(LLMessageSystem *mesgsys,
 				// keep local flags and overwrite remote-controlled flags
 				mFlags = (mFlags & FLAGS_LOCAL) | flags;
 
-					// ...new objects that should come in selected need to be added to the selected list
+				// ...new objects that should come in selected need to be added to the selected list
 				mCreateSelected = ((flags & FLAGS_CREATE_SELECTED) != 0);
 			}
 			break;
@@ -4838,7 +4840,7 @@ void LLViewerObject::unpackParticleSource(const S32 block_num, const LLUUID& own
 	}
 }
 
-void LLViewerObject::unpackParticleSource(LLDataPacker &dp, const LLUUID& owner_id)
+void LLViewerObject::unpackParticleSource(LLDataPacker &dp, const LLUUID& owner_id, bool legacy)
 {
 	if (!mPartSourcep.isNull() && mPartSourcep->isDead())
 	{
@@ -4847,7 +4849,7 @@ void LLViewerObject::unpackParticleSource(LLDataPacker &dp, const LLUUID& owner_
 	if (mPartSourcep)
 	{
 		// If we've got one already, just update the existing source (or remove it)
-		if (!LLViewerPartSourceScript::unpackPSS(this, mPartSourcep, dp))
+		if (!LLViewerPartSourceScript::unpackPSS(this, mPartSourcep, dp, legacy))
 		{
 			mPartSourcep->setDead();
 			mPartSourcep = NULL;
@@ -4855,7 +4857,7 @@ void LLViewerObject::unpackParticleSource(LLDataPacker &dp, const LLUUID& owner_
 	}
 	else
 	{
-		LLPointer<LLViewerPartSourceScript> pss = LLViewerPartSourceScript::unpackPSS(this, NULL, dp);
+		LLPointer<LLViewerPartSourceScript> pss = LLViewerPartSourceScript::unpackPSS(this, NULL, dp, legacy);
 		//If the owner is muted, don't create the system
 		if(LLMuteList::getInstance()->isMuted(owner_id, LLMute::flagParticles)) return;
 		// We need to be able to deal with a particle source that hasn't changed, but still got an update!
@@ -5701,6 +5703,11 @@ F32 LLAlphaObject::getPartSize(S32 idx)
 	return 0.f;
 }
 
+void LLAlphaObject::getBlendFunc(S32 face, U32& src, U32& dst)
+{
+
+}
+
 // virtual
 void LLStaticViewerObject::updateDrawable(BOOL force_damped)
 {
diff --git a/indra/newview/llviewerobject.h b/indra/newview/llviewerobject.h
index ea0d55cda5..05bc7f68a2 100755
--- a/indra/newview/llviewerobject.h
+++ b/indra/newview/llviewerobject.h
@@ -112,14 +112,6 @@ class LLViewerObject : public LLPrimitive, public LLRefCount, public LLGLUpdate
 protected:
 	~LLViewerObject(); // use unref()
 
-	// TomY: Provide for a list of extra parameter structures, mapped by structure name
-	struct ExtraParameter
-	{
-		BOOL in_use;
-		LLNetworkData *data;
-	};
-	std::map<U16, ExtraParameter*> mExtraParameterList;
-
 public:
 	typedef std::list<LLPointer<LLViewerObject> > child_list_t;
 	typedef std::list<LLPointer<LLViewerObject> > vobj_list_t;
@@ -561,6 +553,8 @@ public:
 	std::vector<LLVector3> mUnselectedChildrenPositions ;
 
 private:
+	// TomY: Provide for a list of extra parameter structures, mapped by structure name
+	struct ExtraParameter;
 	ExtraParameter* createNewParameterEntry(U16 param_type);
 	ExtraParameter* getExtraParameterEntry(U16 param_type) const;
 	ExtraParameter* getExtraParameterEntryCreate(U16 param_type);
@@ -600,6 +594,7 @@ public:
 	} EPhysicsShapeType;
 
 	LLUUID			mID;
+	LLUUID			mOwnerID; //null if unknown
 
 	// unique within region, not unique across regions
 	// Local ID = 0 is not used
@@ -680,7 +675,7 @@ protected:
 	BOOL isOnMap();
 
 	void unpackParticleSource(const S32 block_num, const LLUUID& owner_id);
-	void unpackParticleSource(LLDataPacker &dp, const LLUUID& owner_id);
+	void unpackParticleSource(LLDataPacker &dp, const LLUUID& owner_id, bool legacy);
 	void deleteParticleSource();
 	void setParticleSource(const LLPartSysData& particle_parameters, const LLUUID& owner_id);
 	
@@ -799,6 +794,14 @@ private:
 	LLUUID mAttachmentItemID; // ItemID of the associated object is in user inventory.
 	EObjectUpdateType	mLastUpdateType;
 	BOOL	mLastUpdateCached;
+
+	// TomY: Provide for a list of extra parameter structures, mapped by structure name
+	struct ExtraParameter
+	{
+		BOOL in_use;
+		LLNetworkData *data;
+	};
+	std::map<U16, ExtraParameter*> mExtraParameterList;
 };
 
 ///////////////////
@@ -844,9 +847,12 @@ public:
 								LLStrider<LLVector4a>& verticesp,
 								LLStrider<LLVector3>& normalsp, 
 								LLStrider<LLVector2>& texcoordsp,
-								LLStrider<LLColor4U>& colorsp, 
+								LLStrider<LLColor4U>& colorsp,
+								LLStrider<LLColor4U>& emissivep,
 								LLStrider<U16>& indicesp) = 0;
 
+	virtual void getBlendFunc(S32 face, U32& src, U32& dst);
+
 	F32 mDepth;
 };
 
diff --git a/indra/newview/llviewerpartsim.cpp b/indra/newview/llviewerpartsim.cpp
index 61cdfd7818..96cd43a8ab 100755
--- a/indra/newview/llviewerpartsim.cpp
+++ b/indra/newview/llviewerpartsim.cpp
@@ -80,12 +80,31 @@ LLViewerPart::LLViewerPart() :
 	mImagep(NULL)
 {
 	mPartSourcep = NULL;
-
+	mParent = NULL;
+	mChild = NULL;
 	++LLViewerPartSim::sParticleCount2 ;
 }
 
 LLViewerPart::~LLViewerPart()
 {
+	if (mPartSourcep.notNull() && mPartSourcep->mLastPart == this)
+	{
+		mPartSourcep->mLastPart = NULL;
+	}
+
+	//patch up holes in the ribbon
+	if (mParent)
+	{
+		llassert(mParent->mChild == this);
+		mParent->mChild = mChild;
+	}
+
+	if (mChild)
+	{
+		llassert (mChild->mParent == this);
+		mChild->mParent = mParent;
+	}
+
 	mPartSourcep = NULL;
 
 	--LLViewerPartSim::sParticleCount2 ;
@@ -367,6 +386,9 @@ void LLViewerPartGroup::updateParticles(const F32 lastdt)
 			part->mScale += frac*part->mEndScale;
 		}
 
+		// Do glow interpolation
+		part->mGlow.mV[3] = (U8) llround(lerp(part->mStartGlow, part->mEndGlow, frac)*255.f);
+
 		// Set the last update time to now.
 		part->mLastUpdateTime = cur_time;
 
@@ -623,6 +645,9 @@ void LLViewerPartSim::updateSimulation()
 {
 	static LLFrameTimer update_timer;
 
+	//reset VBO cursor
+	LLVOPartGroup::sVBSlotCursor = 0;
+
 	const F32 dt = llmin(update_timer.getElapsedTimeAndResetF32(), 0.1f);
 
  	if (!(gPipeline.hasRenderType(LLPipeline::RENDER_TYPE_PARTICLES)))
diff --git a/indra/newview/llviewerpartsim.h b/indra/newview/llviewerpartsim.h
index c91fcf0691..095de2060c 100755
--- a/indra/newview/llviewerpartsim.h
+++ b/indra/newview/llviewerpartsim.h
@@ -65,15 +65,22 @@ public:
 
 	LLVPCallback		mVPCallback;				// Callback function for more complicated behaviors
 	LLPointer<LLViewerPartSource> mPartSourcep;		// Particle source used for this object
-	
+
+	LLViewerPart*		mParent;					// particle to connect to if this is part of a particle ribbon
+	LLViewerPart*		mChild;						// child particle for clean reference destruction
 
 	// Current particle state (possibly used for rendering)
 	LLPointer<LLViewerTexture>	mImagep;
 	LLVector3		mPosAgent;
 	LLVector3		mVelocity;
 	LLVector3		mAccel;
+	LLVector3		mAxis;
 	LLColor4		mColor;
 	LLVector2		mScale;
+	F32				mStartGlow;
+	F32				mEndGlow;
+	LLColor4U		mGlow;
+
 
 	static U32		sNextPartID;
 };
diff --git a/indra/newview/llviewerpartsource.cpp b/indra/newview/llviewerpartsource.cpp
index b311f659fb..b6bbd6140d 100755
--- a/indra/newview/llviewerpartsource.cpp
+++ b/indra/newview/llviewerpartsource.cpp
@@ -52,6 +52,8 @@ LLViewerPartSource::LLViewerPartSource(const U32 type) :
 	static U32 id_seed = 0;
 	mID = ++id_seed;
 
+	mLastPart = NULL;
+
 	mDelay = 0 ;
 }
 
@@ -279,6 +281,22 @@ void LLViewerPartSourceScript::update(const F32 dt)
 			{
 				part->mFlags |= LLPartData::LL_PART_HUD;
 			}
+
+			if (part->mFlags & LLPartData::LL_PART_RIBBON_MASK && mLastPart)
+			{ //set previous particle's parent to this particle to chain ribbon together
+				mLastPart->mParent = part;
+				part->mChild = mLastPart;
+				part->mAxis = LLVector3(0,0,1);
+
+				if (mSourceObjectp.notNull())
+				{
+					LLQuaternion rot = mSourceObjectp->getRenderRotation();
+					part->mAxis *= rot;
+				}
+			}
+
+			mLastPart = part;
+
 			part->mMaxAge = mPartSysData.mPartData.mMaxAge;
 			part->mStartColor = mPartSysData.mPartData.mStartColor;
 			part->mEndColor = mPartSysData.mPartData.mEndColor;
@@ -290,6 +308,13 @@ void LLViewerPartSourceScript::update(const F32 dt)
 
 			part->mAccel = mPartSysData.mPartAccel;
 
+			part->mBlendFuncDest = mPartSysData.mPartData.mBlendFuncDest;
+			part->mBlendFuncSource = mPartSysData.mPartData.mBlendFuncSource;
+
+			part->mStartGlow = mPartSysData.mPartData.mStartGlow;
+			part->mEndGlow = mPartSysData.mPartData.mEndGlow;
+			part->mGlow = LLColor4U(0, 0, 0, (U8) llround(part->mStartGlow*255.f));
+			
 			if (mPartSysData.mPattern & LLPartSysData::LL_PART_SRC_PATTERN_DROP)
 			{
 				part->mPosAgent = mPosAgent;
@@ -430,28 +455,51 @@ LLPointer<LLViewerPartSourceScript> LLViewerPartSourceScript::unpackPSS(LLViewer
 }
 
 
-LLPointer<LLViewerPartSourceScript> LLViewerPartSourceScript::unpackPSS(LLViewerObject *source_objp, LLPointer<LLViewerPartSourceScript> pssp, LLDataPacker &dp)
+LLPointer<LLViewerPartSourceScript> LLViewerPartSourceScript::unpackPSS(LLViewerObject *source_objp, LLPointer<LLViewerPartSourceScript> pssp, LLDataPacker &dp, bool legacy)
 {
 	if (!pssp)
 	{
 		LLPointer<LLViewerPartSourceScript> new_pssp = new LLViewerPartSourceScript(source_objp);
-		if (!new_pssp->mPartSysData.unpack(dp))
+		if (legacy)
 		{
-			return NULL;
+			if (!new_pssp->mPartSysData.unpackLegacy(dp))
+			{
+				return NULL;
+			}
+		}
+		else
+		{
+			if (!new_pssp->mPartSysData.unpack(dp))
+			{
+				return NULL;
+			}
 		}
+		
 		if (new_pssp->mPartSysData.mTargetUUID.notNull())
 		{
 			LLViewerObject *target_objp = gObjectList.findObject(new_pssp->mPartSysData.mTargetUUID);
 			new_pssp->setTargetObject(target_objp);
 		}
+		
 		return new_pssp;
 	}
 	else
 	{
-		if (!pssp->mPartSysData.unpack(dp))
+		if (legacy)
 		{
-			return NULL;
+			if (!pssp->mPartSysData.unpackLegacy(dp))
+			{
+				return NULL;
+			}
 		}
+		else
+		{
+			if (!pssp->mPartSysData.unpack(dp))
+			{
+				return NULL;
+			}
+		}
+
 		if (pssp->mPartSysData.mTargetUUID.notNull())
 		{
 			LLViewerObject *target_objp = gObjectList.findObject(pssp->mPartSysData.mTargetUUID);
@@ -569,6 +617,11 @@ void LLViewerPartSourceSpiral::update(const F32 dt)
 		part->mScale.mV[0] = 0.25f;
 		part->mScale.mV[1] = 0.25f;
 		part->mParameter = ll_frand(F_TWO_PI);
+		part->mBlendFuncDest = LLRender::BF_ONE_MINUS_SOURCE_ALPHA;
+		part->mBlendFuncSource = LLRender::BF_SOURCE_ALPHA;
+		part->mStartGlow = 0.f;
+		part->mEndGlow = 0.f;
+		part->mGlow = LLColor4U(0, 0, 0, 0);
 
 		LLViewerPartSim::getInstance()->addPart(part);
 	}
@@ -721,6 +774,12 @@ void LLViewerPartSourceBeam::update(const F32 dt)
 		part->mPosAgent = mPosAgent;
 		part->mVelocity = mTargetPosAgent - mPosAgent;
 
+		part->mBlendFuncDest = LLRender::BF_ONE_MINUS_SOURCE_ALPHA;
+		part->mBlendFuncSource = LLRender::BF_SOURCE_ALPHA;
+		part->mStartGlow = 0.f;
+		part->mEndGlow = 0.f;
+		part->mGlow = LLColor4U(0, 0, 0, 0);
+
 		LLViewerPartSim::getInstance()->addPart(part);
 	}
 }
@@ -825,6 +884,12 @@ void LLViewerPartSourceChat::update(const F32 dt)
 		part->mScale.mV[0] = 0.25f;
 		part->mScale.mV[1] = 0.25f;
 		part->mParameter = ll_frand(F_TWO_PI);
+		part->mBlendFuncDest = LLRender::BF_ONE_MINUS_SOURCE_ALPHA;
+		part->mBlendFuncSource = LLRender::BF_SOURCE_ALPHA;
+		part->mStartGlow = 0.f;
+		part->mEndGlow = 0.f;
+		part->mGlow = LLColor4U(0, 0, 0, 0);
+
 
 		LLViewerPartSim::getInstance()->addPart(part);
 	}
diff --git a/indra/newview/llviewerpartsource.h b/indra/newview/llviewerpartsource.h
index 28702d36a2..12e926173b 100755
--- a/indra/newview/llviewerpartsource.h
+++ b/indra/newview/llviewerpartsource.h
@@ -76,6 +76,7 @@ public:
 	LLVector3	mLastUpdatePosAgent;
 	LLPointer<LLViewerObject>	mSourceObjectp;
 	U32 mID;
+	LLViewerPart* mLastPart; //last particle emitted (for making particle ribbons)
 
 protected:
 	U32			mType;
@@ -85,7 +86,6 @@ protected:
 	F32			mLastPartTime;
 	LLUUID		mOwnerUUID;
 	LLPointer<LLViewerTexture>	mImagep;
-
 	// Particle information
 	U32			mPartFlags; // Flags for the particle
 	U32         mDelay ; //delay to start particles
@@ -114,7 +114,7 @@ public:
 
 	// Returns a new particle source to attach to an object...
 	static LLPointer<LLViewerPartSourceScript> unpackPSS(LLViewerObject *source_objp, LLPointer<LLViewerPartSourceScript> pssp, const S32 block_num);
-	static LLPointer<LLViewerPartSourceScript> unpackPSS(LLViewerObject *source_objp, LLPointer<LLViewerPartSourceScript> pssp, LLDataPacker &dp);
+	static LLPointer<LLViewerPartSourceScript> unpackPSS(LLViewerObject *source_objp, LLPointer<LLViewerPartSourceScript> pssp, LLDataPacker &dp, bool legacy);
 	static LLPointer<LLViewerPartSourceScript> createPSS(LLViewerObject *source_objp, const LLPartSysData& particle_parameters);
 
 	LLViewerTexture *getImage() const				{ return mImagep; }
diff --git a/indra/newview/llviewerregion.cpp b/indra/newview/llviewerregion.cpp
index 8422708add..8caa91c8c9 100755
--- a/indra/newview/llviewerregion.cpp
+++ b/indra/newview/llviewerregion.cpp
@@ -44,6 +44,7 @@
 
 #include "llagent.h"
 #include "llagentcamera.h"
+#include "llavatarrenderinfoaccountant.h"
 #include "llcallingcard.h"
 #include "llcaphttpsender.h"
 #include "llcapabilitylistener.h"
@@ -300,12 +301,16 @@ public:
 		
 		if ( regionp->getRegionImpl()->mCapabilities.size() != regionp->getRegionImpl()->mSecondCapabilitiesTracker.size() )
 		{
-			llinfos<<"BaseCapabilitiesCompleteTracker "<<"Sim sent duplicate seed caps that differs in size - most likely content."<<llendl;			
+			llinfos << "BaseCapabilitiesCompleteTracker " << "sim " << regionp->getName()
+				<< " sent duplicate seed caps that differs in size - most likely content. " 
+				<< (S32) regionp->getRegionImpl()->mCapabilities.size() << " vs " << regionp->getRegionImpl()->mSecondCapabilitiesTracker.size()
+				<< llendl;			
 			//todo#add cap debug versus original check?
-			/*CapabilityMap::const_iterator iter = regionp->getRegionImpl()->mCapabilities.begin();
+			/*
+			CapabilityMap::const_iterator iter = regionp->getRegionImpl()->mCapabilities.begin();
 			while (iter!=regionp->getRegionImpl()->mCapabilities.end() )
 			{
-				llinfos<<"BaseCapabilitiesCompleteTracker Original "<<iter->first<<" "<< iter->second<<llendl;
+				llinfos << "BaseCapabilitiesCompleteTracker Original " << iter->first << " is " << iter->second << llendl;
 				++iter;
 			}
 			*/
@@ -393,6 +398,9 @@ LLViewerRegion::LLViewerRegion(const U64 &handle,
 	mImpl->mObjectPartition.push_back(new LLBridgePartition());	//PARTITION_BRIDGE
 	mImpl->mObjectPartition.push_back(new LLHUDParticlePartition());//PARTITION_HUD_PARTICLE
 	mImpl->mObjectPartition.push_back(NULL);						//PARTITION_NONE
+
+	mRenderInfoRequestTimer.resetWithExpiry(0.f);		// Set timer to be expired
+	setCapabilitiesReceivedCallback(boost::bind(&LLAvatarRenderInfoAccountant::expireRenderInfoReportTimer));
 }
 
 
@@ -1577,6 +1585,7 @@ void LLViewerRegionImpl::buildCapabilityNames(LLSD& capabilityNames)
 	capabilityNames.append("AgentState");
 	capabilityNames.append("AttachmentResources");
 	capabilityNames.append("AvatarPickerSearch");
+	capabilityNames.append("AvatarRenderInfo");
 	capabilityNames.append("CharacterProperties");
 	capabilityNames.append("ChatSessionRequest");
 	capabilityNames.append("CopyInventoryFromNotecard");
diff --git a/indra/newview/llviewerregion.h b/indra/newview/llviewerregion.h
index 56cd0c9ea1..e20ad0942c 100755
--- a/indra/newview/llviewerregion.h
+++ b/indra/newview/llviewerregion.h
@@ -376,6 +376,8 @@ public:
 	LLDynamicArray<U32> mMapAvatars;
 	LLDynamicArray<LLUUID> mMapAvatarIDs;
 
+	LLFrameTimer &	getRenderInfoRequestTimer()			{ return mRenderInfoRequestTimer;		};
+
 private:
 	LLViewerRegionImpl * mImpl;
 
@@ -434,6 +436,8 @@ private:
 	BOOL mReleaseNotesRequested;
 	
 	LLSD mSimulatorFeatures;
+
+	LLFrameTimer	mRenderInfoRequestTimer;
 };
 
 inline BOOL LLViewerRegion::getRegionProtocol(U64 protocol) const
diff --git a/indra/newview/llviewershadermgr.cpp b/indra/newview/llviewershadermgr.cpp
index b9e0847935..ac5472a15a 100755
--- a/indra/newview/llviewershadermgr.cpp
+++ b/indra/newview/llviewershadermgr.cpp
@@ -64,6 +64,13 @@
 #define UNIFORM_ERRS LL_ERRS("Shader")
 #endif
 
+static LLStaticHashedString sTexture0("texture0");
+static LLStaticHashedString sTexture1("texture1");
+static LLStaticHashedString sTex0("tex0");
+static LLStaticHashedString sTex1("tex1");
+static LLStaticHashedString sGlowMap("glowMap");
+static LLStaticHashedString sScreenMap("screenMap");
+
 // Lots of STL stuff in here, using namespace std to keep things more readable
 using std::vector;
 using std::pair;
@@ -337,47 +344,6 @@ void LLViewerShaderMgr::initAttribsAndUniforms(void)
 	if (mReservedAttribs.empty())
 	{
 		LLShaderMgr::initAttribsAndUniforms();
-
-		mAvatarUniforms.push_back("matrixPalette");
-		mAvatarUniforms.push_back("gWindDir");
-		mAvatarUniforms.push_back("gSinWaveParams");
-		mAvatarUniforms.push_back("gGravity");
-
-		mWLUniforms.push_back("camPosLocal");
-
-		mTerrainUniforms.reserve(5);
-		mTerrainUniforms.push_back("detail_0");
-		mTerrainUniforms.push_back("detail_1");
-		mTerrainUniforms.push_back("detail_2");
-		mTerrainUniforms.push_back("detail_3");
-		mTerrainUniforms.push_back("alpha_ramp");
-
-		mGlowUniforms.push_back("glowDelta");
-		mGlowUniforms.push_back("glowStrength");
-
-		mGlowExtractUniforms.push_back("minLuminance");
-		mGlowExtractUniforms.push_back("maxExtractAlpha");
-		mGlowExtractUniforms.push_back("lumWeights");
-		mGlowExtractUniforms.push_back("warmthWeights");
-		mGlowExtractUniforms.push_back("warmthAmount");
-
-		mShinyUniforms.push_back("origin");
-
-		mWaterUniforms.reserve(12);
-		mWaterUniforms.push_back("screenTex");
-		mWaterUniforms.push_back("screenDepth");
-		mWaterUniforms.push_back("refTex");
-		mWaterUniforms.push_back("eyeVec");
-		mWaterUniforms.push_back("time");
-		mWaterUniforms.push_back("d1");
-		mWaterUniforms.push_back("d2");
-		mWaterUniforms.push_back("lightDir");
-		mWaterUniforms.push_back("specular");
-		mWaterUniforms.push_back("lightExp");
-		mWaterUniforms.push_back("fogCol");
-		mWaterUniforms.push_back("kd");
-		mWaterUniforms.push_back("refScale");
-		mWaterUniforms.push_back("waterHeight");
 	}	
 }
 	
@@ -962,7 +928,7 @@ BOOL LLViewerShaderMgr::loadShadersEnvironment()
 		gTerrainProgram.mShaderFiles.push_back(make_pair("environment/terrainV.glsl", GL_VERTEX_SHADER_ARB));
 		gTerrainProgram.mShaderFiles.push_back(make_pair("environment/terrainF.glsl", GL_FRAGMENT_SHADER_ARB));
 		gTerrainProgram.mShaderLevel = mVertexShaderLevel[SHADER_ENVIRONMENT];
-		success = gTerrainProgram.createShader(NULL, &mTerrainUniforms);
+		success = gTerrainProgram.createShader(NULL, NULL);
 	}
 
 	if (!success)
@@ -1000,7 +966,7 @@ BOOL LLViewerShaderMgr::loadShadersWater()
 		gWaterProgram.mShaderFiles.push_back(make_pair("environment/waterV.glsl", GL_VERTEX_SHADER_ARB));
 		gWaterProgram.mShaderFiles.push_back(make_pair("environment/waterF.glsl", GL_FRAGMENT_SHADER_ARB));
 		gWaterProgram.mShaderLevel = mVertexShaderLevel[SHADER_WATER];
-		success = gWaterProgram.createShader(NULL, &mWaterUniforms);
+		success = gWaterProgram.createShader(NULL, NULL);
 	}
 
 	if (success)
@@ -1014,7 +980,7 @@ BOOL LLViewerShaderMgr::loadShadersWater()
 		gUnderWaterProgram.mShaderLevel = mVertexShaderLevel[SHADER_WATER];
 		gUnderWaterProgram.mShaderGroup = LLGLSLShader::SG_WATER;
 		
-		success = gUnderWaterProgram.createShader(NULL, &mWaterUniforms);
+		success = gUnderWaterProgram.createShader(NULL, NULL);
 	}
 
 	if (success)
@@ -1032,7 +998,7 @@ BOOL LLViewerShaderMgr::loadShadersWater()
 		gTerrainWaterProgram.mShaderFiles.push_back(make_pair("environment/terrainWaterF.glsl", GL_FRAGMENT_SHADER_ARB));
 		gTerrainWaterProgram.mShaderLevel = mVertexShaderLevel[SHADER_ENVIRONMENT];
 		gTerrainWaterProgram.mShaderGroup = LLGLSLShader::SG_WATER;
-		terrainWaterSuccess = gTerrainWaterProgram.createShader(NULL, &mTerrainUniforms);
+		terrainWaterSuccess = gTerrainWaterProgram.createShader(NULL, NULL);
 	}	
 
 	/// Keep track of water shader levels
@@ -1081,7 +1047,7 @@ BOOL LLViewerShaderMgr::loadShadersEffects()
 		gGlowProgram.mShaderFiles.push_back(make_pair("effects/glowV.glsl", GL_VERTEX_SHADER_ARB));
 		gGlowProgram.mShaderFiles.push_back(make_pair("effects/glowF.glsl", GL_FRAGMENT_SHADER_ARB));
 		gGlowProgram.mShaderLevel = mVertexShaderLevel[SHADER_EFFECT];
-		success = gGlowProgram.createShader(NULL, &mGlowUniforms);
+		success = gGlowProgram.createShader(NULL, NULL);
 		if (!success)
 		{
 			LLPipeline::sRenderGlow = FALSE;
@@ -1095,7 +1061,7 @@ BOOL LLViewerShaderMgr::loadShadersEffects()
 		gGlowExtractProgram.mShaderFiles.push_back(make_pair("effects/glowExtractV.glsl", GL_VERTEX_SHADER_ARB));
 		gGlowExtractProgram.mShaderFiles.push_back(make_pair("effects/glowExtractF.glsl", GL_FRAGMENT_SHADER_ARB));
 		gGlowExtractProgram.mShaderLevel = mVertexShaderLevel[SHADER_EFFECT];
-		success = gGlowExtractProgram.createShader(NULL, &mGlowExtractUniforms);
+		success = gGlowExtractProgram.createShader(NULL, NULL);
 		if (!success)
 		{
 			LLPipeline::sRenderGlow = FALSE;
@@ -1584,7 +1550,7 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
 		gDeferredWaterProgram.mShaderFiles.push_back(make_pair("deferred/waterV.glsl", GL_VERTEX_SHADER_ARB));
 		gDeferredWaterProgram.mShaderFiles.push_back(make_pair("deferred/waterF.glsl", GL_FRAGMENT_SHADER_ARB));
 		gDeferredWaterProgram.mShaderLevel = mVertexShaderLevel[SHADER_DEFERRED];
-		success = gDeferredWaterProgram.createShader(NULL, &mWaterUniforms);
+		success = gDeferredWaterProgram.createShader(NULL, NULL);
 	}
 
 	if (success)
@@ -1649,7 +1615,7 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
 		gDeferredAvatarShadowProgram.mShaderFiles.push_back(make_pair("deferred/avatarShadowF.glsl", GL_FRAGMENT_SHADER_ARB));
 		gDeferredAvatarShadowProgram.addPermutation("DEPTH_CLAMP", gGLManager.mHasDepthClamp ? "1" : "0");
 		gDeferredAvatarShadowProgram.mShaderLevel = mVertexShaderLevel[SHADER_DEFERRED];
-		success = gDeferredAvatarShadowProgram.createShader(NULL, &mAvatarUniforms);
+		success = gDeferredAvatarShadowProgram.createShader(NULL, NULL);
 	}
 
 	if (success)
@@ -1671,7 +1637,7 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
 		gDeferredTerrainProgram.mShaderFiles.push_back(make_pair("deferred/terrainV.glsl", GL_VERTEX_SHADER_ARB));
 		gDeferredTerrainProgram.mShaderFiles.push_back(make_pair("deferred/terrainF.glsl", GL_FRAGMENT_SHADER_ARB));
 		gDeferredTerrainProgram.mShaderLevel = mVertexShaderLevel[SHADER_DEFERRED];
-		success = gDeferredTerrainProgram.createShader(NULL, &mTerrainUniforms);
+		success = gDeferredTerrainProgram.createShader(NULL, NULL);
 	}
 
 	if (success)
@@ -1682,7 +1648,7 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
 		gDeferredAvatarProgram.mShaderFiles.push_back(make_pair("deferred/avatarV.glsl", GL_VERTEX_SHADER_ARB));
 		gDeferredAvatarProgram.mShaderFiles.push_back(make_pair("deferred/avatarF.glsl", GL_FRAGMENT_SHADER_ARB));
 		gDeferredAvatarProgram.mShaderLevel = mVertexShaderLevel[SHADER_DEFERRED];
-		success = gDeferredAvatarProgram.createShader(NULL, &mAvatarUniforms);
+		success = gDeferredAvatarProgram.createShader(NULL, NULL);
 	}
 
 	if (success)
@@ -1705,7 +1671,7 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
 		gDeferredAvatarAlphaProgram.addPermutation("HAS_SHADOW", mVertexShaderLevel[SHADER_DEFERRED] > 1 ? "1" : "0");
 		gDeferredAvatarAlphaProgram.mShaderLevel = mVertexShaderLevel[SHADER_DEFERRED];
 
-		success = gDeferredAvatarAlphaProgram.createShader(NULL, &mAvatarUniforms);
+		success = gDeferredAvatarAlphaProgram.createShader(NULL, NULL);
 
 		gDeferredAvatarAlphaProgram.mFeatures.calculatesLighting = true;
 		gDeferredAvatarAlphaProgram.mFeatures.hasLighting = true;
@@ -1780,7 +1746,7 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
 		gDeferredWLSkyProgram.mShaderFiles.push_back(make_pair("deferred/skyF.glsl", GL_FRAGMENT_SHADER_ARB));
 		gDeferredWLSkyProgram.mShaderLevel = mVertexShaderLevel[SHADER_DEFERRED];
 		gDeferredWLSkyProgram.mShaderGroup = LLGLSLShader::SG_SKY;
-		success = gDeferredWLSkyProgram.createShader(NULL, &mWLUniforms);
+		success = gDeferredWLSkyProgram.createShader(NULL, NULL);
 	}
 
 	if (success)
@@ -1791,7 +1757,7 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
 		gDeferredWLCloudProgram.mShaderFiles.push_back(make_pair("deferred/cloudsF.glsl", GL_FRAGMENT_SHADER_ARB));
 		gDeferredWLCloudProgram.mShaderLevel = mVertexShaderLevel[SHADER_DEFERRED];
 		gDeferredWLCloudProgram.mShaderGroup = LLGLSLShader::SG_SKY;
-		success = gDeferredWLCloudProgram.createShader(NULL, &mWLUniforms);
+		success = gDeferredWLCloudProgram.createShader(NULL, NULL);
 	}
 
 	if (success)
@@ -1802,7 +1768,7 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
 		gDeferredStarProgram.mShaderFiles.push_back(make_pair("deferred/starsF.glsl", GL_FRAGMENT_SHADER_ARB));
 		gDeferredStarProgram.mShaderLevel = mVertexShaderLevel[SHADER_DEFERRED];
 		gDeferredStarProgram.mShaderGroup = LLGLSLShader::SG_SKY;
-		success = gDeferredStarProgram.createShader(NULL, &mWLUniforms);
+		success = gDeferredStarProgram.createShader(NULL, NULL);
 	}
 
 	if (success)
@@ -2153,7 +2119,7 @@ BOOL LLViewerShaderMgr::loadShadersObject()
 		gObjectShinyNonIndexedProgram.mShaderFiles.push_back(make_pair("objects/shinyV.glsl", GL_VERTEX_SHADER_ARB));
 		gObjectShinyNonIndexedProgram.mShaderFiles.push_back(make_pair("objects/shinyF.glsl", GL_FRAGMENT_SHADER_ARB));		
 		gObjectShinyNonIndexedProgram.mShaderLevel = mVertexShaderLevel[SHADER_OBJECT];
-		success = gObjectShinyNonIndexedProgram.createShader(NULL, &mShinyUniforms);
+		success = gObjectShinyNonIndexedProgram.createShader(NULL, NULL);
 	}
 
 	if (success)
@@ -2170,7 +2136,7 @@ BOOL LLViewerShaderMgr::loadShadersObject()
 		gObjectShinyNonIndexedWaterProgram.mShaderFiles.push_back(make_pair("objects/shinyV.glsl", GL_VERTEX_SHADER_ARB));
 		gObjectShinyNonIndexedWaterProgram.mShaderLevel = mVertexShaderLevel[SHADER_OBJECT];
 		gObjectShinyNonIndexedWaterProgram.mShaderGroup = LLGLSLShader::SG_WATER;
-		success = gObjectShinyNonIndexedWaterProgram.createShader(NULL, &mShinyUniforms);
+		success = gObjectShinyNonIndexedWaterProgram.createShader(NULL, NULL);
 	}
 	
 	if (success)
@@ -2186,7 +2152,7 @@ BOOL LLViewerShaderMgr::loadShadersObject()
 		gObjectFullbrightShinyNonIndexedProgram.mShaderFiles.push_back(make_pair("objects/fullbrightShinyV.glsl", GL_VERTEX_SHADER_ARB));
 		gObjectFullbrightShinyNonIndexedProgram.mShaderFiles.push_back(make_pair("objects/fullbrightShinyF.glsl", GL_FRAGMENT_SHADER_ARB));
 		gObjectFullbrightShinyNonIndexedProgram.mShaderLevel = mVertexShaderLevel[SHADER_OBJECT];
-		success = gObjectFullbrightShinyNonIndexedProgram.createShader(NULL, &mShinyUniforms);
+		success = gObjectFullbrightShinyNonIndexedProgram.createShader(NULL, NULL);
 	}
 
 	if (success)
@@ -2204,7 +2170,7 @@ BOOL LLViewerShaderMgr::loadShadersObject()
 		gObjectFullbrightShinyNonIndexedWaterProgram.mShaderFiles.push_back(make_pair("objects/fullbrightShinyWaterF.glsl", GL_FRAGMENT_SHADER_ARB));
 		gObjectFullbrightShinyNonIndexedWaterProgram.mShaderLevel = mVertexShaderLevel[SHADER_OBJECT];
 		gObjectFullbrightShinyNonIndexedWaterProgram.mShaderGroup = LLGLSLShader::SG_WATER;
-		success = gObjectFullbrightShinyNonIndexedWaterProgram.createShader(NULL, &mShinyUniforms);
+		success = gObjectFullbrightShinyNonIndexedWaterProgram.createShader(NULL, NULL);
 	}
 
 	if (success)
@@ -2283,12 +2249,11 @@ BOOL LLViewerShaderMgr::loadShadersObject()
 		gObjectBumpProgram.mShaderFiles.push_back(make_pair("objects/bumpF.glsl", GL_FRAGMENT_SHADER_ARB));
 		gObjectBumpProgram.mShaderLevel = mVertexShaderLevel[SHADER_OBJECT];
 		success = gObjectBumpProgram.createShader(NULL, NULL);
-
 		if (success)
 		{ //lldrawpoolbump assumes "texture0" has channel 0 and "texture1" has channel 1
 			gObjectBumpProgram.bind();
-			gObjectBumpProgram.uniform1i("texture0", 0);
-			gObjectBumpProgram.uniform1i("texture1", 1);
+			gObjectBumpProgram.uniform1i(sTexture0, 0);
+			gObjectBumpProgram.uniform1i(sTexture1, 1);
 			gObjectBumpProgram.unbind();
 		}
 	}
@@ -2437,7 +2402,7 @@ BOOL LLViewerShaderMgr::loadShadersObject()
 		gObjectShinyProgram.mShaderFiles.push_back(make_pair("objects/shinyV.glsl", GL_VERTEX_SHADER_ARB));
 		gObjectShinyProgram.mShaderFiles.push_back(make_pair("objects/shinyF.glsl", GL_FRAGMENT_SHADER_ARB));		
 		gObjectShinyProgram.mShaderLevel = mVertexShaderLevel[SHADER_OBJECT];
-		success = gObjectShinyProgram.createShader(NULL, &mShinyUniforms);
+		success = gObjectShinyProgram.createShader(NULL, NULL);
 	}
 
 	if (success)
@@ -2454,7 +2419,7 @@ BOOL LLViewerShaderMgr::loadShadersObject()
 		gObjectShinyWaterProgram.mShaderFiles.push_back(make_pair("objects/shinyV.glsl", GL_VERTEX_SHADER_ARB));
 		gObjectShinyWaterProgram.mShaderLevel = mVertexShaderLevel[SHADER_OBJECT];
 		gObjectShinyWaterProgram.mShaderGroup = LLGLSLShader::SG_WATER;
-		success = gObjectShinyWaterProgram.createShader(NULL, &mShinyUniforms);
+		success = gObjectShinyWaterProgram.createShader(NULL, NULL);
 	}
 	
 	if (success)
@@ -2470,7 +2435,7 @@ BOOL LLViewerShaderMgr::loadShadersObject()
 		gObjectFullbrightShinyProgram.mShaderFiles.push_back(make_pair("objects/fullbrightShinyV.glsl", GL_VERTEX_SHADER_ARB));
 		gObjectFullbrightShinyProgram.mShaderFiles.push_back(make_pair("objects/fullbrightShinyF.glsl", GL_FRAGMENT_SHADER_ARB));
 		gObjectFullbrightShinyProgram.mShaderLevel = mVertexShaderLevel[SHADER_OBJECT];
-		success = gObjectFullbrightShinyProgram.createShader(NULL, &mShinyUniforms);
+		success = gObjectFullbrightShinyProgram.createShader(NULL, NULL);
 	}
 
 	if (success)
@@ -2488,7 +2453,7 @@ BOOL LLViewerShaderMgr::loadShadersObject()
 		gObjectFullbrightShinyWaterProgram.mShaderFiles.push_back(make_pair("objects/fullbrightShinyWaterF.glsl", GL_FRAGMENT_SHADER_ARB));
 		gObjectFullbrightShinyWaterProgram.mShaderLevel = mVertexShaderLevel[SHADER_OBJECT];
 		gObjectFullbrightShinyWaterProgram.mShaderGroup = LLGLSLShader::SG_WATER;
-		success = gObjectFullbrightShinyWaterProgram.createShader(NULL, &mShinyUniforms);
+		success = gObjectFullbrightShinyWaterProgram.createShader(NULL, NULL);
 	}
 
 	if (mVertexShaderLevel[SHADER_AVATAR] > 0)
@@ -2576,7 +2541,7 @@ BOOL LLViewerShaderMgr::loadShadersObject()
 			gSkinnedObjectFullbrightShinyProgram.mShaderFiles.push_back(make_pair("objects/fullbrightShinySkinnedV.glsl", GL_VERTEX_SHADER_ARB));
 			gSkinnedObjectFullbrightShinyProgram.mShaderFiles.push_back(make_pair("objects/fullbrightShinyF.glsl", GL_FRAGMENT_SHADER_ARB));
 			gSkinnedObjectFullbrightShinyProgram.mShaderLevel = mVertexShaderLevel[SHADER_OBJECT];
-			success = gSkinnedObjectFullbrightShinyProgram.createShader(NULL, &mShinyUniforms);
+			success = gSkinnedObjectFullbrightShinyProgram.createShader(NULL, NULL);
 		}
 
 		if (success)
@@ -2594,7 +2559,7 @@ BOOL LLViewerShaderMgr::loadShadersObject()
 			gSkinnedObjectShinySimpleProgram.mShaderFiles.push_back(make_pair("objects/shinySimpleSkinnedV.glsl", GL_VERTEX_SHADER_ARB));
 			gSkinnedObjectShinySimpleProgram.mShaderFiles.push_back(make_pair("objects/shinyF.glsl", GL_FRAGMENT_SHADER_ARB));
 			gSkinnedObjectShinySimpleProgram.mShaderLevel = mVertexShaderLevel[SHADER_OBJECT];
-			success = gSkinnedObjectShinySimpleProgram.createShader(NULL, &mShinyUniforms);
+			success = gSkinnedObjectShinySimpleProgram.createShader(NULL, NULL);
 		}
 
 		if (success)
@@ -2653,7 +2618,7 @@ BOOL LLViewerShaderMgr::loadShadersObject()
 			gSkinnedObjectFullbrightShinyWaterProgram.mShaderFiles.push_back(make_pair("objects/fullbrightShinySkinnedV.glsl", GL_VERTEX_SHADER_ARB));
 			gSkinnedObjectFullbrightShinyWaterProgram.mShaderFiles.push_back(make_pair("objects/fullbrightShinyWaterF.glsl", GL_FRAGMENT_SHADER_ARB));
 			gSkinnedObjectFullbrightShinyWaterProgram.mShaderLevel = mVertexShaderLevel[SHADER_OBJECT];
-			success = gSkinnedObjectFullbrightShinyWaterProgram.createShader(NULL, &mShinyUniforms);
+			success = gSkinnedObjectFullbrightShinyWaterProgram.createShader(NULL, NULL);
 		}
 
 		if (success)
@@ -2673,7 +2638,7 @@ BOOL LLViewerShaderMgr::loadShadersObject()
 			gSkinnedObjectShinySimpleWaterProgram.mShaderFiles.push_back(make_pair("objects/shinySimpleSkinnedV.glsl", GL_VERTEX_SHADER_ARB));
 			gSkinnedObjectShinySimpleWaterProgram.mShaderFiles.push_back(make_pair("objects/shinyWaterF.glsl", GL_FRAGMENT_SHADER_ARB));
 			gSkinnedObjectShinySimpleWaterProgram.mShaderLevel = mVertexShaderLevel[SHADER_OBJECT];
-			success = gSkinnedObjectShinySimpleWaterProgram.createShader(NULL, &mShinyUniforms);
+			success = gSkinnedObjectShinySimpleWaterProgram.createShader(NULL, NULL);
 		}
 	}
 
@@ -2714,7 +2679,7 @@ BOOL LLViewerShaderMgr::loadShadersAvatar()
 		gAvatarProgram.mShaderFiles.push_back(make_pair("avatar/avatarV.glsl", GL_VERTEX_SHADER_ARB));
 		gAvatarProgram.mShaderFiles.push_back(make_pair("avatar/avatarF.glsl", GL_FRAGMENT_SHADER_ARB));
 		gAvatarProgram.mShaderLevel = mVertexShaderLevel[SHADER_AVATAR];
-		success = gAvatarProgram.createShader(NULL, &mAvatarUniforms);
+		success = gAvatarProgram.createShader(NULL, NULL);
 			
 		if (success)
 		{
@@ -2733,7 +2698,7 @@ BOOL LLViewerShaderMgr::loadShadersAvatar()
 			// Note: no cloth under water:
 			gAvatarWaterProgram.mShaderLevel = llmin(mVertexShaderLevel[SHADER_AVATAR], 1);	
 			gAvatarWaterProgram.mShaderGroup = LLGLSLShader::SG_WATER;				
-			success = gAvatarWaterProgram.createShader(NULL, &mAvatarUniforms);
+			success = gAvatarWaterProgram.createShader(NULL, NULL);
 		}
 
 		/// Keep track of avatar levels
@@ -2752,7 +2717,7 @@ BOOL LLViewerShaderMgr::loadShadersAvatar()
 		gAvatarPickProgram.mShaderFiles.push_back(make_pair("avatar/pickAvatarV.glsl", GL_VERTEX_SHADER_ARB));
 		gAvatarPickProgram.mShaderFiles.push_back(make_pair("avatar/pickAvatarF.glsl", GL_FRAGMENT_SHADER_ARB));
 		gAvatarPickProgram.mShaderLevel = mVertexShaderLevel[SHADER_AVATAR];
-		success = gAvatarPickProgram.createShader(NULL, &mAvatarUniforms);
+		success = gAvatarPickProgram.createShader(NULL, NULL);
 	}
 
 	if (success)
@@ -2874,7 +2839,7 @@ BOOL LLViewerShaderMgr::loadShadersInterface()
 		if (success)
 		{
 			gSplatTextureRectProgram.bind();
-			gSplatTextureRectProgram.uniform1i("screenMap", 0);
+			gSplatTextureRectProgram.uniform1i(sScreenMap, 0);
 			gSplatTextureRectProgram.unbind();
 		}
 	}
@@ -2890,8 +2855,8 @@ BOOL LLViewerShaderMgr::loadShadersInterface()
 		if (success)
 		{
 			gGlowCombineProgram.bind();
-			gGlowCombineProgram.uniform1i("glowMap", 0);
-			gGlowCombineProgram.uniform1i("screenMap", 1);
+			gGlowCombineProgram.uniform1i(sGlowMap, 0);
+			gGlowCombineProgram.uniform1i(sScreenMap, 1);
 			gGlowCombineProgram.unbind();
 		}
 	}
@@ -2907,8 +2872,8 @@ BOOL LLViewerShaderMgr::loadShadersInterface()
 		if (success)
 		{
 			gGlowCombineFXAAProgram.bind();
-			gGlowCombineFXAAProgram.uniform1i("glowMap", 0);
-			gGlowCombineFXAAProgram.uniform1i("screenMap", 1);
+			gGlowCombineFXAAProgram.uniform1i(sGlowMap, 0);
+			gGlowCombineFXAAProgram.uniform1i(sScreenMap, 1);
 			gGlowCombineFXAAProgram.unbind();
 		}
 	}
@@ -2925,8 +2890,8 @@ BOOL LLViewerShaderMgr::loadShadersInterface()
 		if (success)
 		{
 			gTwoTextureAddProgram.bind();
-			gTwoTextureAddProgram.uniform1i("tex0", 0);
-			gTwoTextureAddProgram.uniform1i("tex1", 1);
+			gTwoTextureAddProgram.uniform1i(sTex0, 0);
+			gTwoTextureAddProgram.uniform1i(sTex1, 1);
 		}
 	}
 
@@ -2941,7 +2906,7 @@ BOOL LLViewerShaderMgr::loadShadersInterface()
 		if (success)
 		{
 			gOneTextureNoColorProgram.bind();
-			gOneTextureNoColorProgram.uniform1i("tex0", 0);
+			gOneTextureNoColorProgram.uniform1i(sTex0, 0);
 		}
 	}
 
@@ -2956,7 +2921,7 @@ BOOL LLViewerShaderMgr::loadShadersInterface()
 		if (success)
 		{
 			gSolidColorProgram.bind();
-			gSolidColorProgram.uniform1i("tex0", 0);
+			gSolidColorProgram.uniform1i(sTex0, 0);
 			gSolidColorProgram.unbind();
 		}
 	}
@@ -3040,7 +3005,7 @@ BOOL LLViewerShaderMgr::loadShadersWindLight()
 		gWLSkyProgram.mShaderFiles.push_back(make_pair("windlight/skyF.glsl", GL_FRAGMENT_SHADER_ARB));
 		gWLSkyProgram.mShaderLevel = mVertexShaderLevel[SHADER_WINDLIGHT];
 		gWLSkyProgram.mShaderGroup = LLGLSLShader::SG_SKY;
-		success = gWLSkyProgram.createShader(NULL, &mWLUniforms);
+		success = gWLSkyProgram.createShader(NULL, NULL);
 	}
 
 	if (success)
@@ -3052,7 +3017,7 @@ BOOL LLViewerShaderMgr::loadShadersWindLight()
 		gWLCloudProgram.mShaderFiles.push_back(make_pair("windlight/cloudsF.glsl", GL_FRAGMENT_SHADER_ARB));
 		gWLCloudProgram.mShaderLevel = mVertexShaderLevel[SHADER_WINDLIGHT];
 		gWLCloudProgram.mShaderGroup = LLGLSLShader::SG_SKY;
-		success = gWLCloudProgram.createShader(NULL, &mWLUniforms);
+		success = gWLCloudProgram.createShader(NULL, NULL);
 	}
 
 	return success;
diff --git a/indra/newview/llviewershadermgr.h b/indra/newview/llviewershadermgr.h
index 8c7de05062..1076f4778f 100755
--- a/indra/newview/llviewershadermgr.h
+++ b/indra/newview/llviewershadermgr.h
@@ -75,56 +75,7 @@ public:
 		SHADER_COUNT
 	};
 
-	typedef enum
-	{
-		SHINY_ORIGIN = END_RESERVED_UNIFORMS
-	} eShinyUniforms;
-
-	typedef enum
-	{
-		WATER_SCREENTEX = END_RESERVED_UNIFORMS,
-		WATER_SCREENDEPTH,
-		WATER_REFTEX,
-		WATER_EYEVEC,
-		WATER_TIME,
-		WATER_WAVE_DIR1,
-		WATER_WAVE_DIR2,
-		WATER_LIGHT_DIR,
-		WATER_SPECULAR,
-		WATER_SPECULAR_EXP,
-		WATER_FOGCOLOR,
-		WATER_FOGDENSITY,
-		WATER_REFSCALE,
-		WATER_WATERHEIGHT,
-	} eWaterUniforms;
-
-	typedef enum
-	{
-		WL_CAMPOSLOCAL = END_RESERVED_UNIFORMS,
-		WL_WATERHEIGHT
-	} eWLUniforms;
-
-	typedef enum
-	{
-		TERRAIN_DETAIL0 = END_RESERVED_UNIFORMS,
-		TERRAIN_DETAIL1,
-		TERRAIN_DETAIL2,
-		TERRAIN_DETAIL3,
-		TERRAIN_ALPHARAMP
-	} eTerrainUniforms;
-
-	typedef enum
-	{
-		GLOW_DELTA = END_RESERVED_UNIFORMS
-	} eGlowUniforms;
-
-	typedef enum
-	{
-		AVATAR_MATRIX = END_RESERVED_UNIFORMS,
-		AVATAR_WIND,
-		AVATAR_SINWAVE,
-		AVATAR_GRAVITY,
-	} eAvatarUniforms;
+	
 
 	// simple model of forward iterator
 	// http://www.sgi.com/tech/stl/ForwardIterator.html
@@ -177,23 +128,6 @@ public:
 	/* virtual */ void updateShaderUniforms(LLGLSLShader * shader);
 
 private:
-	
-	std::vector<std::string> mShinyUniforms;
-
-	//water parameters
-	std::vector<std::string> mWaterUniforms;
-
-	std::vector<std::string> mWLUniforms;
-
-	//terrain parameters
-	std::vector<std::string> mTerrainUniforms;
-
-	//glow parameters
-	std::vector<std::string> mGlowUniforms;
-
-	std::vector<std::string> mGlowExtractUniforms;
-
-	std::vector<std::string> mAvatarUniforms;
 
 	// the list of shaders we need to propagate parameters to.
 	std::vector<LLGLSLShader *> mShaderList;
diff --git a/indra/newview/llviewertexturelist.cpp b/indra/newview/llviewertexturelist.cpp
index d9f3548a29..fc43abf844 100755
--- a/indra/newview/llviewertexturelist.cpp
+++ b/indra/newview/llviewertexturelist.cpp
@@ -561,15 +561,17 @@ void LLViewerTextureList::addImageToList(LLViewerFetchedTexture *image)
 	llassert_always(mInitialized) ;
 	llassert(image);
 	if (image->isInImageList())
-	{
-		llerrs << "LLViewerTextureList::addImageToList - Image already in list" << llendl;
+	{	// Flag is already set?
+		llwarns << "LLViewerTextureList::addImageToList - image " << image->getID()  << " already in list" << llendl;
 	}
-	if((mImageList.insert(image)).second != true) 
+	else
 	{
-		llerrs << "Error happens when insert image to mImageList!" << llendl ;
+		if((mImageList.insert(image)).second != true) 
+		{
+			llwarns << "Error happens when insert image " << image->getID()  << " into mImageList!" << llendl ;
+		}
+		image->setInImageList(TRUE) ;
 	}
-	
-	image->setInImageList(TRUE) ;
 }
 
 void LLViewerTextureList::removeImageFromList(LLViewerFetchedTexture *image)
@@ -577,24 +579,46 @@ void LLViewerTextureList::removeImageFromList(LLViewerFetchedTexture *image)
 	assert_main_thread();
 	llassert_always(mInitialized) ;
 	llassert(image);
-	if (!image->isInImageList())
+
+	S32 count = 0;
+	if (image->isInImageList())
 	{
-		llinfos << "RefCount: " << image->getNumRefs() << llendl ;
+		count = mImageList.erase(image) ;
+		if(count != 1) 
+		{
+			llwarns << "Image  " << image->getID() 
+				<< " had mInImageList set but mImageList.erase() returned " << count
+				<< llendl;
+		}
+	}
+	else
+	{	// Something is wrong, image is expected in list or callers should check first
+		llwarns << "Calling removeImageFromList() for " << image->getID() 
+			<< " but doesn't have mInImageList set"
+			<< " ref count is " << image->getNumRefs()
+			<< llendl;
 		uuid_map_t::iterator iter = mUUIDMap.find(image->getID());
-		if(iter == mUUIDMap.end() || iter->second != image)
+		if(iter == mUUIDMap.end())
 		{
-			llinfos << "Image is not in mUUIDMap!" << llendl ;
+			llwarns << "Image  " << image->getID() << " is also not in mUUIDMap!" << llendl ;
+		}
+		else if (iter->second != image)
+		{
+			llwarns << "Image  " << image->getID() << " was in mUUIDMap but with different pointer" << llendl ;
+		}
+		else
+		{
+			llwarns << "Image  " << image->getID() << " was in mUUIDMap with same pointer" << llendl ;
+		}
+		count = mImageList.erase(image) ;
+		if(count != 0) 
+		{	// it was in the list already?
+			llwarns << "Image  " << image->getID() 
+				<< " had mInImageList false but mImageList.erase() returned " << count
+				<< llendl;
 		}
-		llerrs << "LLViewerTextureList::removeImageFromList - Image not in list" << llendl;
 	}
 
-	S32 count = mImageList.erase(image) ;
-	if(count != 1) 
-	{
-		llinfos << image->getID() << llendl ;
-		llerrs << "Error happens when remove image from mImageList: " << count << llendl ;
-	}
-      
 	image->setInImageList(FALSE) ;
 }
 
@@ -1237,7 +1261,7 @@ S32 LLViewerTextureList::getMinVideoRamSetting()
 
 //static
 // Returns max setting for TextureMemory (in MB)
-S32 LLViewerTextureList::getMaxVideoRamSetting(bool get_recommended)
+S32 LLViewerTextureList::getMaxVideoRamSetting(bool get_recommended, float mem_multiplier)
 {
 	S32 max_texmem;
 	if (gGLManager.mVRAM != 0)
@@ -1281,7 +1305,10 @@ S32 LLViewerTextureList::getMaxVideoRamSetting(bool get_recommended)
 		max_texmem = llmin(max_texmem, (S32)(system_ram/2));
 	else
 		max_texmem = llmin(max_texmem, (S32)(system_ram));
-		
+    
+    // limit the texture memory to a multiple of the default if we've found some cards to behave poorly otherwise
+	max_texmem = llmin(max_texmem, (S32) (mem_multiplier * (F32) max_texmem));
+
 	max_texmem = llclamp(max_texmem, getMinVideoRamSetting(), MAX_VIDEO_RAM_IN_MEGA_BYTES); 
 	
 	return max_texmem;
@@ -1294,7 +1321,7 @@ void LLViewerTextureList::updateMaxResidentTexMem(S32 mem)
 	// Initialize the image pipeline VRAM settings
 	S32 cur_mem = gSavedSettings.getS32("TextureMemory");
 	F32 mem_multiplier = gSavedSettings.getF32("RenderTextureMemoryMultiple");
-	S32 default_mem = getMaxVideoRamSetting(true); // recommended default
+	S32 default_mem = getMaxVideoRamSetting(true, mem_multiplier); // recommended default
 	if (mem == 0)
 	{
 		mem = cur_mem > 0 ? cur_mem : default_mem;
@@ -1304,10 +1331,7 @@ void LLViewerTextureList::updateMaxResidentTexMem(S32 mem)
 		mem = default_mem;
 	}
 
-	// limit the texture memory to a multiple of the default if we've found some cards to behave poorly otherwise
-	mem = llmin(mem, (S32) (mem_multiplier * (F32) default_mem));
-
-	mem = llclamp(mem, getMinVideoRamSetting(), getMaxVideoRamSetting());
+	mem = llclamp(mem, getMinVideoRamSetting(), getMaxVideoRamSetting(false, mem_multiplier));
 	if (mem != cur_mem)
 	{
 		gSavedSettings.setS32("TextureMemory", mem);
diff --git a/indra/newview/llviewertexturelist.h b/indra/newview/llviewertexturelist.h
index 136042620d..26dc6dcbe2 100755
--- a/indra/newview/llviewertexturelist.h
+++ b/indra/newview/llviewertexturelist.h
@@ -114,7 +114,7 @@ public:
 	void setDebugFetching(LLViewerFetchedTexture* tex, S32 debug_level);
 
 	static S32 getMinVideoRamSetting();
-	static S32 getMaxVideoRamSetting(bool get_recommended = false);
+	static S32 getMaxVideoRamSetting(bool get_recommended, float mem_multiplier);
 	
 private:
 	void updateImagesDecodePriorities();
diff --git a/indra/newview/llviewerwindow.cpp b/indra/newview/llviewerwindow.cpp
index 87ae224655..05e5dc68a5 100755
--- a/indra/newview/llviewerwindow.cpp
+++ b/indra/newview/llviewerwindow.cpp
@@ -151,6 +151,7 @@
 #include "lltexturecache.h"
 #include "lltexturefetch.h"
 #include "lltextureview.h"
+#include "lltoast.h"
 #include "lltool.h"
 #include "lltoolbarview.h"
 #include "lltoolcomp.h"
@@ -333,9 +334,10 @@ public:
 		mTextColor = LLColor4( 0.86f, 0.86f, 0.86f, 1.f );
 
 		// Draw stuff growing up from right lower corner of screen
-		U32 xpos = mWindow->getWorldViewWidthScaled() - 350;
-		U32 ypos = 64;
-		const U32 y_inc = 20;
+		S32 xpos = mWindow->getWorldViewWidthScaled() - 400;
+		xpos = llmax(xpos, 0);
+		S32 ypos = 64;
+		const S32 y_inc = 20;
 
 		clearText();
 		
@@ -635,6 +637,42 @@ public:
 				LLVertexBuffer::sSetCount = LLImageGL::sUniqueCount = 
 				gPipeline.mNumVisibleNodes = LLPipeline::sVisibleLightCount = 0;
 		}
+		if (gSavedSettings.getBOOL("DebugShowAvatarRenderInfo"))
+		{
+			std::map<std::string, LLVOAvatar*> sorted_avs;
+			
+			std::vector<LLCharacter*>::iterator sort_iter = LLCharacter::sInstances.begin();
+			while (sort_iter != LLCharacter::sInstances.end())
+			{
+				LLVOAvatar* avatar = dynamic_cast<LLVOAvatar*>(*sort_iter);
+				if (avatar &&
+					!avatar->isDead())						// Not dead yet
+				{
+					// Stuff into a sorted map so the display is ordered
+					sorted_avs[avatar->getFullname()] = avatar;
+				}
+				sort_iter++;
+			}
+
+			std::string trunc_name;
+			std::map<std::string, LLVOAvatar*>::reverse_iterator av_iter = sorted_avs.rbegin();		// Put "A" at the top
+			while (av_iter != sorted_avs.rend())
+			{
+				LLVOAvatar* avatar = av_iter->second;
+
+				avatar->calculateUpdateRenderCost();			// Make sure the numbers are up-to-date
+
+				trunc_name = utf8str_truncate(avatar->getFullname(), 16);
+				addText(xpos, ypos, llformat("%s : rez %d, weight %d, bytes %d area %.2f",
+					trunc_name.c_str(),
+					avatar->getRezzedStatus(),
+					avatar->getVisualComplexity(),
+					avatar->getAttachmentGeometryBytes(),
+					avatar->getAttachmentSurfaceArea()));
+				ypos += y_inc;
+				av_iter++;
+			}
+		}
 		if (gSavedSettings.getBOOL("DebugShowRenderMatrices"))
 		{
 			addText(xpos, ypos, llformat("%.4f    .%4f    %.4f    %.4f", gGLProjection[12], gGLProjection[13], gGLProjection[14], gGLProjection[15]));
@@ -1999,6 +2037,9 @@ void LLViewerWindow::shutdownViews()
 	}
 	llinfos << "Global views cleaned." << llendl ;
 	
+	LLNotificationsUI::LLToast::cleanupToasts();
+	llinfos << "Leftover toast cleaned up." << llendl;
+
 	// DEV-40930: Clear sModalStack. Otherwise, any LLModalDialog left open
 	// will crump with LL_ERRS.
 	LLModalDialog::shutdownModals();
diff --git a/indra/newview/llvoavatar.cpp b/indra/newview/llvoavatar.cpp
index 1a050800b4..1aa38e6bfa 100755
--- a/indra/newview/llvoavatar.cpp
+++ b/indra/newview/llvoavatar.cpp
@@ -58,6 +58,7 @@
 #include "llhudmanager.h"
 #include "llhudnametag.h"
 #include "llhudtext.h"				// for mText/mDebugText
+#include "llimview.h"
 #include "llinitparam.h"
 #include "llkeyframefallmotion.h"
 #include "llkeyframestandmotion.h"
@@ -668,6 +669,9 @@ LLVOAvatar::LLVOAvatar(const LLUUID& id,
 	mSpecialRenderMode(0),
 	mAttachmentGeometryBytes(0),
 	mAttachmentSurfaceArea(0.f),
+	mReportedVisualComplexity(-1),
+	mReportedAttachmentGeometryBytes(-1),
+	mReportedAttachmentSurfaceArea(-1.f),
 	mTurning(FALSE),
 	mLastSkeletonSerialNum( 0 ),
 	mIsSitting(FALSE),
@@ -701,6 +705,8 @@ LLVOAvatar::LLVOAvatar(const LLUUID& id,
 	mFullyLoaded(FALSE),
 	mPreviousFullyLoaded(FALSE),
 	mFullyLoadedInitialized(FALSE),
+	mVisualComplexity(0),
+	mVisualComplexityStale(TRUE),
 	mLoadedCallbacksPaused(FALSE),
 	mHasPelvisOffset( FALSE ),
 	mRenderUnloadedAvatar(LLCachedControl<bool>(gSavedSettings, "RenderUnloadedAvatar")),
@@ -769,6 +775,13 @@ LLVOAvatar::LLVOAvatar(const LLUUID& id,
 	mLastPelvisToFoot = 0.0f;
 	mPelvisFixup = 0.0f;
 	mLastPelvisFixup = 0.0f;
+
+	mCachedVisualMute = !isSelf();
+	mCachedVisualMuteUpdateTime = LLFrameTimer::getTotalSeconds() + 5.0;
+	mVisuallyMuteSetting = VISUAL_MUTE_NOT_SET;
+
+	F32 color_value = (F32) (getID().mData[0]);
+	mMutedAVColor = calcMutedAVColor(color_value, 0, 256);
 }
 
 std::string LLVOAvatar::avString() const
@@ -2972,14 +2985,83 @@ void LLVOAvatar::slamPosition()
 	mRoot->updateWorldMatrixChildren();
 }
 
-bool LLVOAvatar::isVisuallyMuted() const
+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);
+	bool muted = false;
+
+	// Priority order (highest priority first)
+	// * own avatar is never visually muted
+	// * if on the "always draw normally" list, draw them normally
+	// * if on the "always visually mute" list, mute them
+	// * draw them normally if they meet the following criteria:
+	//       - within the closest N avatars OR on friends list OR in an IM chat
+	//       - AND aren't over the thresholds
+	// * otherwise visually mute all other avatars
+
+	if (!isSelf())
+	{
+		static LLCachedControl<F32> render_mute_threshold(gSavedSettings, "RenderAutoMuteThreshold");
+		static LLCachedControl<U32> max_attachment_bytes(gSavedSettings, "RenderAutoMuteByteLimit");
+		static LLCachedControl<F32> max_attachment_area(gSavedSettings, "RenderAutoMuteSurfaceAreaLimit");
+		static LLCachedControl<U32> max_render_cost(gSavedSettings, "RenderAutoMuteRenderCostLimit");
+
+		if (mVisuallyMuteSetting == ALWAYS_VISUAL_MUTE)
+		{	// Always want to see this AV as an imposter
+			muted = true;
+		}
+		else if (mVisuallyMuteSetting == NEVER_VISUAL_MUTE)
+		{	// Never show as imposter
+			muted = false;
+		}
+		else if (LLVOAvatar::sLODFactor <= render_mute_threshold)
+		{
+			F64 now = LLFrameTimer::getTotalSeconds();
+
+			if (now < mCachedVisualMuteUpdateTime)
+			{	// Use cached mute value
+				muted = mCachedVisualMute;
+			}
+			else
+			{	// Determine if visually muted or not
+
+				U32 max_cost = (U32) (max_render_cost*(LLVOAvatar::sLODFactor+0.5));
+
+				muted = LLMuteList::getInstance()->isMuted(getID()) ||
+					(mAttachmentGeometryBytes > max_attachment_bytes && max_attachment_bytes > 0) ||
+					(mAttachmentSurfaceArea > max_attachment_area && max_attachment_area > 0.f) ||
+					(mVisualComplexity > max_cost && max_render_cost > 0);
+
+				// Could be part of the grand || collection above, but yanked out to make the logic visible
+				if (!muted)
+				{
+					if (sMaxVisible > 0)
+					{	// They are above the visibilty rank - mute them
+						muted = (mVisibilityRank > sMaxVisible);
+					}
+			
+					/* Not used - always draw friends or those in IMs.  Works nicely, needs UI?
+					if (muted ||					// Don't mute friends or IMs
+						sMaxVisible == 0)
+					{
+						muted = !(LLAvatarTracker::instance().isBuddy(getID()));
+						if (muted)
+						{	// Not a friend, so they are muted ... are they in an IM?
+							LLUUID session_id = gIMMgr->computeSessionID(IM_NOTHING_SPECIAL,getID());
+							muted = !gIMMgr->hasSession(session_id);
+						}
+					}
+					*/
+				}
+
+				// Save visual mute state and set interval for updating
+				const F64 SECONDS_BETWEEN_RENDER_AUTO_MUTE_UPDATES = 1.5;
+				mCachedVisualMuteUpdateTime = now + SECONDS_BETWEEN_RENDER_AUTO_MUTE_UPDATES;		
+				mCachedVisualMute = muted;
+			} 
+		}
+	}
+
+	return muted;
 }
 
 //------------------------------------------------------------------------
@@ -3077,7 +3159,8 @@ BOOL LLVOAvatar::updateCharacter(LLAgent &agent)
 	// the rest should only be done occasionally for far away avatars
 	//--------------------------------------------------------------------
 
-	if (visible && (!isSelf() || isVisuallyMuted()) && !mIsDummy && sUseImpostors && !mNeedsAnimUpdate && !sFreezeCounter)
+	bool visually_muted = isVisuallyMuted();
+	if (visible && (!isSelf() || visually_muted) && !mIsDummy && sUseImpostors && !mNeedsAnimUpdate && !sFreezeCounter)
 	{
 		const LLVector4a* ext = mDrawable->getSpatialExtents();
 		LLVector4a size;
@@ -3086,8 +3169,8 @@ BOOL LLVOAvatar::updateCharacter(LLAgent &agent)
 
 		
 		F32 impostor_area = 256.f*512.f*(8.125f - LLVOAvatar::sLODFactor*8.f);
-		if (isVisuallyMuted())
-		{ // muted avatars update at 16 hz
+		if (visually_muted)
+		{ // visually muted avatars update at 16 hz
 			mUpdatePeriod = 16;
 		}
 		else if (mVisibilityRank <= LLVOAvatar::sMaxVisible ||
@@ -3887,9 +3970,11 @@ U32 LLVOAvatar::renderSkinned(EAvatarRenderPass pass)
 		BOOL first_pass = TRUE;
 		if (!LLDrawPoolAvatar::sSkipOpaque)
 		{
+			bool visually_muted = isVisuallyMuted();
+
 			if (!isSelf() || gAgent.needsRenderHead() || LLPipeline::sShadowRender)
 			{
-				if (isTextureVisible(TEX_HEAD_BAKED) || mIsDummy)
+				if (isTextureVisible(TEX_HEAD_BAKED) || mIsDummy || visually_muted)
 				{
 					LLViewerJoint* head_mesh = getViewerJoint(MESH_ID_HEAD);
 					if (head_mesh)
@@ -3899,7 +3984,7 @@ U32 LLVOAvatar::renderSkinned(EAvatarRenderPass pass)
 					first_pass = FALSE;
 				}
 			}
-			if (isTextureVisible(TEX_UPPER_BAKED) || mIsDummy)
+			if (isTextureVisible(TEX_UPPER_BAKED) || mIsDummy || visually_muted)
 			{
 				LLViewerJoint* upper_mesh = getViewerJoint(MESH_ID_UPPER_BODY);
 				if (upper_mesh)
@@ -3909,7 +3994,7 @@ U32 LLVOAvatar::renderSkinned(EAvatarRenderPass pass)
 				first_pass = FALSE;
 			}
 			
-			if (isTextureVisible(TEX_LOWER_BAKED) || mIsDummy)
+			if (isTextureVisible(TEX_LOWER_BAKED) || mIsDummy || visually_muted)
 			{
 				LLViewerJoint* lower_mesh = getViewerJoint(MESH_ID_LOWER_BODY);
 				if (lower_mesh)
@@ -5481,6 +5566,8 @@ const LLViewerJointAttachment *LLVOAvatar::attachObject(LLViewerObject *viewer_o
 		return 0;
 	}
 
+	mVisualComplexityStale = TRUE;
+
 	if (viewer_object->isSelected())
 	{
 		LLSelectMgr::getInstance()->updateSelectionCenter();
@@ -5628,6 +5715,7 @@ BOOL LLVOAvatar::detachObject(LLViewerObject *viewer_object)
 		
 		if (attachment->isObjectAttached(viewer_object))
 		{
+			mVisualComplexityStale = TRUE;
 			cleanupAttachedMesh( viewer_object );
 			attachment->removeObject(viewer_object);
 			lldebugs << "Detaching object " << viewer_object->mID << " from " << attachment->getName() << llendl;
@@ -7734,9 +7822,9 @@ void LLVOAvatar::updateImpostors()
 	LLCharacter::sAllowInstancesChange = TRUE ;
 }
 
-BOOL LLVOAvatar::isImpostor() const
+BOOL LLVOAvatar::isImpostor()
 {
-	return (isVisuallyMuted() || (sUseImpostors && mUpdatePeriod >= IMPOSTOR_PERIOD)) ? TRUE : FALSE;
+	return sUseImpostors && (isVisuallyMuted() || (mUpdatePeriod >= IMPOSTOR_PERIOD)) ? TRUE : FALSE;
 }
 
 
@@ -7779,135 +7867,182 @@ void LLVOAvatar::getImpostorValues(LLVector4a* extents, LLVector3& angle, F32& d
 	angle.mV[2] = da;
 }
 
+
 void LLVOAvatar::idleUpdateRenderCost()
 {
-	static const U32 ARC_BODY_PART_COST = 200;
-	static const U32 ARC_LIMIT = 20000;
+	static LLCachedControl<U32> max_render_cost(gSavedSettings, "RenderAutoMuteRenderCostLimit");
 
-	static std::set<LLUUID> all_textures;
+	static const U32 ARC_LIMIT = 20000;
 
 	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))
+	if (!gPipeline.hasRenderDebugMask(LLPipeline::RENDER_DEBUG_SHAME) && max_render_cost == 0)
 	{
 		return;
 	}
 
-	U32 cost = 0;
-	LLVOVolume::texture_cost_t textures;
+	calculateUpdateRenderCost();				// Update mVisualComplexity if needed
+	
+	if (gPipeline.hasRenderDebugMask(LLPipeline::RENDER_DEBUG_SHAME))
+	{
+		std::string viz_string = LLVOAvatar::rezStatusToString(getRezzedStatus());
+		setDebugText(llformat("%s %d", viz_string.c_str(), mVisualComplexity));
+		F32 green = 1.f-llclamp(((F32) mVisualComplexity-(F32)ARC_LIMIT)/(F32)ARC_LIMIT, 0.f, 1.f);
+		F32 red = llmin((F32) mVisualComplexity/(F32)ARC_LIMIT, 1.f);
+		mText->setColor(LLColor4(red,green,0,1));
+	}
+}
 
-	for (U8 baked_index = 0; baked_index < BAKED_NUM_INDICES; baked_index++)
+
+// Calculations for mVisualComplexity value
+void LLVOAvatar::calculateUpdateRenderCost()
+{
+	static const U32 ARC_BODY_PART_COST = 200;
+
+	// Diagnostic list of all textures on our avatar
+	static std::set<LLUUID> all_textures;
+
+	if (mVisualComplexityStale)
 	{
-		const LLAvatarAppearanceDictionary::BakedEntry *baked_dict = LLAvatarAppearanceDictionary::getInstance()->getBakedTexture((EBakedTextureIndex)baked_index);
-		ETextureIndex tex_index = baked_dict->mTextureIndex;
-		if ((tex_index != TEX_SKIRT_BAKED) || (isWearingWearableType(LLWearableType::WT_SKIRT)))
+		mVisualComplexityStale = FALSE;
+		U32 cost = 0;
+		LLVOVolume::texture_cost_t textures;
+
+		for (U8 baked_index = 0; baked_index < BAKED_NUM_INDICES; baked_index++)
 		{
-			if (isTextureVisible(tex_index))
+		    const LLAvatarAppearanceDictionary::BakedEntry *baked_dict = LLAvatarAppearanceDictionary::getInstance()->getBakedTexture((EBakedTextureIndex)baked_index);
+			ETextureIndex tex_index = baked_dict->mTextureIndex;
+			if ((tex_index != TEX_SKIRT_BAKED) || (isWearingWearableType(LLWearableType::WT_SKIRT)))
 			{
-				cost +=ARC_BODY_PART_COST;
+				if (isTextureVisible(tex_index))
+				{
+					cost +=ARC_BODY_PART_COST;
+				}
 			}
 		}
-	}
 
 
-	for (attachment_map_t::const_iterator iter = mAttachmentPoints.begin(); 
-		 iter != mAttachmentPoints.end();
-		 ++iter)
-	{
-		LLViewerJointAttachment* attachment = iter->second;
-		for (LLViewerJointAttachment::attachedobjs_vec_t::iterator attachment_iter = attachment->mAttachedObjects.begin();
-			 attachment_iter != attachment->mAttachedObjects.end();
-			 ++attachment_iter)
+		for (attachment_map_t::const_iterator iter = mAttachmentPoints.begin(); 
+			 iter != mAttachmentPoints.end();
+			 ++iter)
 		{
-			const LLViewerObject* attached_object = (*attachment_iter);
-			if (attached_object && !attached_object->isHUDAttachment())
+			LLViewerJointAttachment* attachment = iter->second;
+			for (LLViewerJointAttachment::attachedobjs_vec_t::iterator attachment_iter = attachment->mAttachedObjects.begin();
+				 attachment_iter != attachment->mAttachedObjects.end();
+				 ++attachment_iter)
 			{
-				textures.clear();
-				const LLDrawable* drawable = attached_object->mDrawable;
-				if (drawable)
+				const LLViewerObject* attached_object = (*attachment_iter);
+				if (attached_object && !attached_object->isHUDAttachment())
 				{
-					const LLVOVolume* volume = drawable->getVOVolume();
-					if (volume)
+					textures.clear();
+					const LLDrawable* drawable = attached_object->mDrawable;
+					if (drawable)
 					{
-						cost += volume->getRenderCost(textures);
-
-						const_child_list_t children = volume->getChildren();
-						for (const_child_list_t::const_iterator child_iter = children.begin();
-							  child_iter != children.end();
-							  ++child_iter)
+						const LLVOVolume* volume = drawable->getVOVolume();
+						if (volume)
 						{
-							LLViewerObject* child_obj = *child_iter;
-							LLVOVolume *child = dynamic_cast<LLVOVolume*>( child_obj );
-							if (child)
+							cost += volume->getRenderCost(textures);
+
+							const_child_list_t children = volume->getChildren();
+							for (const_child_list_t::const_iterator child_iter = children.begin();
+								  child_iter != children.end();
+								  ++child_iter)
 							{
-								cost += child->getRenderCost(textures);
+								LLViewerObject* child_obj = *child_iter;
+								LLVOVolume *child = dynamic_cast<LLVOVolume*>( child_obj );
+								if (child)
+								{
+									cost += child->getRenderCost(textures);
+								}
 							}
-						}
 
-						for (LLVOVolume::texture_cost_t::iterator iter = textures.begin(); iter != textures.end(); ++iter)
-						{
-							// add the cost of each individual texture in the linkset
-							cost += iter->second;
+							for (LLVOVolume::texture_cost_t::iterator iter = textures.begin(); iter != textures.end(); ++iter)
+							{
+								// add the cost of each individual texture in the linkset
+								cost += iter->second;
+							}
 						}
 					}
 				}
 			}
-		}
-
-	}
-
 
+		}
 
-	// Diagnostic output to identify all avatar-related textures.
-	// Does not affect rendering cost calculation.
-	// Could be wrapped in a debug option if output becomes problematic.
-	if (isSelf())
-	{
-		// print any attachment textures we didn't already know about.
-		for (LLVOVolume::texture_cost_t::iterator it = textures.begin(); it != textures.end(); ++it)
+		// Diagnostic output to identify all avatar-related textures.
+		// Does not affect rendering cost calculation.
+		// Could be wrapped in a debug option if output becomes problematic.
+		if (isSelf())
 		{
-			LLUUID image_id = it->first;
-			if( image_id.isNull() || image_id == IMG_DEFAULT || image_id == IMG_DEFAULT_AVATAR)
-				continue;
-			if (all_textures.find(image_id) == all_textures.end())
+			// print any attachment textures we didn't already know about.
+			for (LLVOVolume::texture_cost_t::iterator it = textures.begin(); it != textures.end(); ++it)
 			{
-				// attachment texture not previously seen.
-				llinfos << "attachment_texture: " << image_id.asString() << llendl;
-				all_textures.insert(image_id);
+				LLUUID image_id = it->first;
+				if( image_id.isNull() || image_id == IMG_DEFAULT || image_id == IMG_DEFAULT_AVATAR)
+					continue;
+				if (all_textures.find(image_id) == all_textures.end())
+				{
+					// attachment texture not previously seen.
+					llinfos << "attachment_texture: " << image_id.asString() << llendl;
+					all_textures.insert(image_id);
+				}
 			}
-		}
 
-		// print any avatar textures we didn't already know about
-		for (LLAvatarAppearanceDictionary::Textures::const_iterator iter = LLAvatarAppearanceDictionary::getInstance()->getTextures().begin();
+			// print any avatar textures we didn't already know about
+		    for (LLAvatarAppearanceDictionary::Textures::const_iterator iter = LLAvatarAppearanceDictionary::getInstance()->getTextures().begin();
 			 iter != LLAvatarAppearanceDictionary::getInstance()->getTextures().end();
-			 ++iter)
-		{
-			const LLAvatarAppearanceDictionary::TextureEntry *texture_dict = iter->second;
-			// TODO: MULTI-WEARABLE: handle multiple textures for self
-			const LLViewerTexture* te_image = getImage(iter->first,0);
-			if (!te_image)
-				continue;
-			LLUUID image_id = te_image->getID();
-			if( image_id.isNull() || image_id == IMG_DEFAULT || image_id == IMG_DEFAULT_AVATAR)
-				continue;
-			if (all_textures.find(image_id) == all_textures.end())
+				 ++iter)
 			{
-				llinfos << "local_texture: " << texture_dict->mName << ": " << image_id << llendl;
-				all_textures.insert(image_id);
+			    const LLAvatarAppearanceDictionary::TextureEntry *texture_dict = iter->second;
+				// TODO: MULTI-WEARABLE: handle multiple textures for self
+				const LLViewerTexture* te_image = getImage(iter->first,0);
+				if (!te_image)
+					continue;
+				LLUUID image_id = te_image->getID();
+				if( image_id.isNull() || image_id == IMG_DEFAULT || image_id == IMG_DEFAULT_AVATAR)
+					continue;
+				if (all_textures.find(image_id) == all_textures.end())
+				{
+					llinfos << "local_texture: " << texture_dict->mName << ": " << image_id << llendl;
+					all_textures.insert(image_id);
+				}
 			}
 		}
+
+		mVisualComplexity = cost;
 	}
+}
 
-	
-	std::string viz_string = LLVOAvatar::rezStatusToString(getRezzedStatus());
-	setDebugText(llformat("%s %d", viz_string.c_str(), cost));
-	mVisualComplexity = cost;
-	F32 green = 1.f-llclamp(((F32) cost-(F32)ARC_LIMIT)/(F32)ARC_LIMIT, 0.f, 1.f);
-	F32 red = llmin((F32) cost/(F32)ARC_LIMIT, 1.f);
-	mText->setColor(LLColor4(red,green,0,1));
+
+// static
+LLColor4 LLVOAvatar::calcMutedAVColor(F32 value, S32 range_low, S32 range_high)
+{
+	F32 clamped_value = llmin(value, (F32) range_high);
+	clamped_value = llmax(value, (F32) range_low);
+	F32 spectrum = (clamped_value / range_high);		// spectrum is between 0 and 1.f
+
+	// Array of colors.  These are arranged so only one RGB color changes between each step, 
+	// and it loops back to red so there is an even distribution.  It is not a heat map
+	const S32 NUM_SPECTRUM_COLORS = 7;              
+	static LLColor4 * spectrum_color[NUM_SPECTRUM_COLORS] = { &LLColor4::red, &LLColor4::magenta, &LLColor4::blue, &LLColor4::cyan, &LLColor4::green, &LLColor4::yellow, &LLColor4::red };
+ 
+	spectrum = spectrum * (NUM_SPECTRUM_COLORS - 1);		// Scale to range of number of colors
+	S32 spectrum_index_1  = floor(spectrum);				// Desired color will be after this index
+	S32 spectrum_index_2  = spectrum_index_1 + 1;			//    and before this index (inclusive)
+	F32 fractBetween = spectrum - (F32)(spectrum_index_1);  // distance between the two indexes (0-1)
+ 
+	LLColor4 new_color = lerp(*spectrum_color[spectrum_index_1], *spectrum_color[spectrum_index_2], fractBetween);
+	new_color.normalize();
+	new_color *= 0.9f;
+
+	//llinfos << "From value " << std::setprecision(3) << value << " returning color " << new_color 
+	//	<< " using indexes " << spectrum_index_1 << ", " << spectrum_index_2
+	//	<< " and fractBetween " << fractBetween
+	//	<< llendl;
+
+	return new_color;
 }
 
 // static
diff --git a/indra/newview/llvoavatar.h b/indra/newview/llvoavatar.h
index b05eed344b..be2d69a41a 100755
--- a/indra/newview/llvoavatar.h
+++ b/indra/newview/llvoavatar.h
@@ -250,6 +250,24 @@ public:
 	static void		invalidateNameTags();
 	void			addNameTagLine(const std::string& line, const LLColor4& color, S32 style, const LLFontGL* font);
 	void 			idleUpdateRenderCost();
+	void			calculateUpdateRenderCost();
+	void			updateVisualComplexity() { mVisualComplexityStale = TRUE; }
+	
+	S32				getVisualComplexity()			{ return mVisualComplexity;				};		// Numbers calculated here by rendering AV
+	S32				getAttachmentGeometryBytes()	{ return mAttachmentGeometryBytes;		};		// number of bytes in attached geometry
+	F32				getAttachmentSurfaceArea()		{ return mAttachmentSurfaceArea;		};		// estimated surface area of attachments
+
+	S32				getReportedVisualComplexity()					{ return mReportedVisualComplexity;				};	// Numbers as reported by the SL server
+	void			setReportedVisualComplexity(S32 value)			{ mReportedVisualComplexity = value;			};
+	S32				getReportedAttachmentGeometryBytes()			{ return mReportedAttachmentGeometryBytes;		};	//number of bytes in attached geometry
+	void			setReportedAttachmentGeometryBytes(S32 value)	{ mReportedAttachmentGeometryBytes = value;		};
+	F32				getReportedAttachmentSurfaceArea()		{ return mReportedAttachmentSurfaceArea;				};		//estimated surface area of attachments
+	void			setReportedAttachmentSurfaceArea(F32 value)		{ mReportedAttachmentSurfaceArea = value;		};
+	
+	S32				getUpdatePeriod()				{ return mUpdatePeriod;			};
+	const LLColor4 &  getMutedAVColor()				{ return mMutedAVColor;			};
+
+
 	void 			idleUpdateBelowWater();
 
 	//--------------------------------------------------------------------
@@ -303,12 +321,15 @@ public:
 	static void 	logPendingPhasesAllAvatars();
 	void 			logMetricsTimerRecord(const std::string& phase_name, F32 elapsed, bool completed);
 
+	static LLColor4 calcMutedAVColor(F32 value, S32 range_low, S32 range_high);
+
 protected:
 	LLViewerStats::PhaseMap& getPhases() { return mPhases; }
 	BOOL			updateIsFullyLoaded();
 	BOOL			processFullyLoadedChange(bool loading);
 	void			updateRuthTimer(bool loading);
 	F32 			calcMorphAmount();
+
 private:
 	BOOL			mFirstFullyVisible;
 	BOOL			mFullyLoaded;
@@ -316,6 +337,8 @@ private:
 	BOOL			mFullyLoadedInitialized;
 	S32				mFullyLoadedFrameCounter;
 	S32				mVisualComplexity;
+	BOOL			mVisualComplexityStale;
+	LLColor4		mMutedAVColor;
 	LLFrameTimer	mFullyLoadedTimer;
 	LLFrameTimer	mRuthTimer;
 
@@ -369,7 +392,16 @@ public:
 
 public:
 	U32 		renderImpostor(LLColor4U color = LLColor4U(255,255,255,255), S32 diffuse_channel = 0);
-	bool		isVisuallyMuted() const;
+	bool		isVisuallyMuted();
+
+	enum VisualMuteSettings
+	{
+		VISUAL_MUTE_NOT_SET = 0,
+		ALWAYS_VISUAL_MUTE  = 1,
+		NEVER_VISUAL_MUTE   = 2
+	};
+	void		setVisualMuteSettings(VisualMuteSettings set)		{ mVisuallyMuteSetting = set;	};
+	VisualMuteSettings  getVisualMuteSettings()						{ return mVisuallyMuteSetting;	};
 
 	U32 		renderRigid();
 	U32 		renderSkinned(EAvatarRenderPass pass);
@@ -380,9 +412,13 @@ public:
 	static void	destroyGL();
 	static void	restoreGL();
 	S32			mSpecialRenderMode; // special lighting
-	U32			mAttachmentGeometryBytes; //number of bytes in attached geometry
+	S32			mAttachmentGeometryBytes; //number of bytes in attached geometry
 	F32			mAttachmentSurfaceArea; //estimated surface area of attachments
 
+	S32			mReportedVisualComplexity;			// Numbers as reported by the SL server
+	S32			mReportedAttachmentGeometryBytes;	//number of bytes in attached geometry
+	F32			mReportedAttachmentSurfaceArea;		//estimated surface area of attachments
+
 private:
 	bool		shouldAlphaMask();
 
@@ -392,6 +428,11 @@ private:
 	S32	 		mUpdatePeriod;
 	S32  		mNumInitFaces; //number of faces generated when creating the avatar drawable, does not inculde splitted faces due to long vertex buffer.
 
+	bool		mCachedVisualMute;				// cached return value for isVisuallyMuted()
+	F64			mCachedVisualMuteUpdateTime;	// Time to update mCachedVisualMute
+
+	VisualMuteSettings		mVisuallyMuteSetting;			// Always or never visually mute this AV
+
 	//--------------------------------------------------------------------
 	// Morph masks
 	//--------------------------------------------------------------------
@@ -430,7 +471,7 @@ private:
 	// Impostors
 	//--------------------------------------------------------------------
 public:
-	BOOL 		isImpostor() const;
+	BOOL 		isImpostor();
 	BOOL 	    needsImpostorUpdate() const;
 	const LLVector3& getImpostorOffset() const;
 	const LLVector2& getImpostorDim() const;
diff --git a/indra/newview/llvograss.cpp b/indra/newview/llvograss.cpp
index cab5c4bc1d..591d5cae0b 100755
--- a/indra/newview/llvograss.cpp
+++ b/indra/newview/llvograss.cpp
@@ -476,6 +476,7 @@ void LLVOGrass::getGeometry(S32 idx,
 								LLStrider<LLVector3>& normalsp, 
 								LLStrider<LLVector2>& texcoordsp,
 								LLStrider<LLColor4U>& colorsp, 
+								LLStrider<LLColor4U>& emissivep,
 								LLStrider<U16>& indicesp)
 {
 	if(!mNumBlades)//stop rendering grass
@@ -708,7 +709,11 @@ void LLGrassPartition::getGeometry(LLSpatialGroup* group)
 		facep->setIndicesIndex(index_count);
 		facep->setVertexBuffer(buffer);
 		facep->setPoolType(LLDrawPool::POOL_ALPHA);
-		object->getGeometry(facep->getTEOffset(), verticesp, normalsp, texcoordsp, colorsp, indicesp);
+
+		//dummy parameter (unused by this implementation)
+		LLStrider<LLColor4U> emissivep;
+
+		object->getGeometry(facep->getTEOffset(), verticesp, normalsp, texcoordsp, colorsp, emissivep, indicesp);
 		
 		vertex_count += facep->getGeomCount();
 		index_count += facep->getIndicesCount();
diff --git a/indra/newview/llvograss.h b/indra/newview/llvograss.h
index 122806766d..e54de85412 100755
--- a/indra/newview/llvograss.h
+++ b/indra/newview/llvograss.h
@@ -63,6 +63,7 @@ public:
 								LLStrider<LLVector3>& normalsp, 
 								LLStrider<LLVector2>& texcoordsp,
 								LLStrider<LLColor4U>& colorsp, 
+								LLStrider<LLColor4U>& emissivep,
 								LLStrider<U16>& indicesp);
 
 	void updateFaceSize(S32 idx) { }
diff --git a/indra/newview/llvoicevivox.cpp b/indra/newview/llvoicevivox.cpp
index 9b5d981aa5..abead02174 100755
--- a/indra/newview/llvoicevivox.cpp
+++ b/indra/newview/llvoicevivox.cpp
@@ -532,25 +532,25 @@ void LLVivoxVoiceClient::requestVoiceAccountProvision(S32 retries)
 {
 	LLViewerRegion *region = gAgent.getRegion();
 	
-	if ( region && (mVoiceEnabled || !mIsInitialized))
+	// If we've not received the capability yet, return.
+	// the password will remain empty, so we'll remain in
+	// stateIdle
+	if ( region && 
+		 region->capabilitiesReceived() &&
+		 (mVoiceEnabled || !mIsInitialized))
 	{
 		std::string url = 
 		region->getCapability("ProvisionVoiceAccountRequest");
 		
-		if ( url.empty() ) 
+		if ( !url.empty() ) 
 		{
-			// we've not received the capability yet, so return.
-			// the password will remain empty, so we'll remain in
-			// stateIdle
-			return;
-		}
-		
-		LLHTTPClient::post(
-						   url,
-						   LLSD(),
-						   new LLVivoxVoiceAccountProvisionResponder(retries));
+			LLHTTPClient::post(
+							   url,
+							   LLSD(),
+							   new LLVivoxVoiceAccountProvisionResponder(retries));
 		
-		setState(stateConnectorStart);		
+			setState(stateConnectorStart);		
+		}
 	}
 }
 
@@ -7660,6 +7660,9 @@ void LLVivoxProtocolParser::processResponse(std::string tag)
 			 */
 			// We don't need to process this, but we also shouldn't warn on it, since that confuses people.
 		}
+		else if (!stricmp(eventTypeCstr, "VoiceServiceConnectionStateChangedEvent"))  
+		{	// Yet another ignored event
+		}
 		else
 		{
 			LL_WARNS("VivoxProtocolParser") << "Unknown event type " << eventTypeString << LL_ENDL;
diff --git a/indra/newview/llvopartgroup.cpp b/indra/newview/llvopartgroup.cpp
index 8ed86b4fd5..a65de0c047 100755
--- a/indra/newview/llvopartgroup.cpp
+++ b/indra/newview/llvopartgroup.cpp
@@ -49,17 +49,11 @@ const F32 MAX_PART_LIFETIME = 120.f;
 extern U64 gFrameTime;
 
 LLPointer<LLVertexBuffer> LLVOPartGroup::sVB = NULL;
-S32 LLVOPartGroup::sVBSlotFree[];
-S32* LLVOPartGroup::sVBSlotCursor = NULL;
+S32 LLVOPartGroup::sVBSlotCursor = 0;
 
 void LLVOPartGroup::initClass()
 {
-	for (S32 i = 0; i < LL_MAX_PARTICLE_COUNT; ++i)
-	{
-		sVBSlotFree[i] = i;
-	}
-
-	sVBSlotCursor = sVBSlotFree;
+	
 }
 
 //static
@@ -124,36 +118,33 @@ void LLVOPartGroup::destroyGL()
 //static
 S32 LLVOPartGroup::findAvailableVBSlot()
 {
-	if (sVBSlotCursor >= sVBSlotFree+LL_MAX_PARTICLE_COUNT)
+	if (sVBSlotCursor >= LL_MAX_PARTICLE_COUNT)
 	{ //no more available slots
 		return -1;
 	}
 
-	S32 ret = *sVBSlotCursor;
-	sVBSlotCursor++;
-
-	return ret;
+	return sVBSlotCursor++;
 }
 
 bool ll_is_part_idx_allocated(S32 idx, S32* start, S32* end)
 {
-	while (start < end)
+	/*while (start < end)
 	{
 		if (*start == idx)
 		{ //not allocated (in free list)
 			return false;
 		}
 		++start;
-	}
+	}*/
 
 	//allocated (not in free list)
-	return true;
+	return false;
 }
 
 //static
 void LLVOPartGroup::freeVBSlot(S32 idx)
 {
-	llassert(idx < LL_MAX_PARTICLE_COUNT && idx >= 0);
+	/*llassert(idx < LL_MAX_PARTICLE_COUNT && idx >= 0);
 	//llassert(sVBSlotCursor > sVBSlotFree);
 	//llassert(ll_is_part_idx_allocated(idx, sVBSlotCursor, sVBSlotFree+LL_MAX_PARTICLE_COUNT));
 
@@ -161,7 +152,7 @@ void LLVOPartGroup::freeVBSlot(S32 idx)
 	{
 		sVBSlotCursor--;
 		*sVBSlotCursor = idx;
-	}
+	}*/
 }
 
 LLVOPartGroup::LLVOPartGroup(const LLUUID &id, const LLPCode pcode, LLViewerRegion *regionp)
@@ -191,6 +182,7 @@ F32 LLVOPartGroup::getBinRadius()
 void LLVOPartGroup::updateSpatialExtents(LLVector4a& newMin, LLVector4a& newMax)
 {		
 	const LLVector3& pos_agent = getPositionAgent();
+
 	newMin.load3( (pos_agent - mScale).mV);
 	newMax.load3( (pos_agent + mScale).mV);
 
@@ -281,6 +273,20 @@ F32 LLVOPartGroup::getPartSize(S32 idx)
 	return 0.f;
 }
 
+void LLVOPartGroup::getBlendFunc(S32 idx, U32& src, U32& dst)
+{
+	if (idx < (S32) mViewerPartGroupp->mParticles.size())
+	{
+		LLViewerPart* part = mViewerPartGroupp->mParticles[idx];
+		src = part->mBlendFuncSource;
+		dst = part->mBlendFuncDest;
+	}
+	else
+	{
+		llerrs << "WTF?" << llendl;
+	}
+}
+
 LLVector3 LLVOPartGroup::getCameraPosition() const
 {
 	return gAgentCamera.getCameraPositionAgent();
@@ -340,13 +346,42 @@ BOOL LLVOPartGroup::updateGeometry(LLDrawable *drawable)
 	mDepth = 0.f;
 	S32 i = 0 ;
 	LLVector3 camera_agent = getCameraPosition();
+	
+	F32 max_scale = 0.f;
+
+
 	for (i = 0 ; i < (S32)mViewerPartGroupp->mParticles.size(); i++)
 	{
 		const LLViewerPart *part = mViewerPartGroupp->mParticles[i];
 
+
+		//remember the largest particle
+		max_scale = llmax(max_scale, part->mScale.mV[0], part->mScale.mV[1]);
+
+		if (part->mFlags & LLPartData::LL_PART_RIBBON_MASK)
+		{ //include ribbon segment length in scale
+			const LLVector3* pos_agent = NULL;
+			if (part->mParent)
+			{
+				pos_agent = &(part->mParent->mPosAgent);
+			}
+			else if (part->mPartSourcep.notNull())
+			{
+				pos_agent = &(part->mPartSourcep->mPosAgent);
+			}
+
+			if (pos_agent)
+			{
+				F32 dist = (*pos_agent-part->mPosAgent).length();
+
+				max_scale = llmax(max_scale, dist);
+			}
+		}
+
 		LLVector3 part_pos_agent(part->mPosAgent);
 		LLVector3 at(part_pos_agent - camera_agent);
 
+		
 		F32 camera_dist_squared = at.lengthSquared();
 		F32 inv_camera_dist_squared;
 		if (camera_dist_squared > 1.f)
@@ -423,6 +458,9 @@ BOOL LLVOPartGroup::updateGeometry(LLDrawable *drawable)
 		facep->setSize(0, 0);
 	}
 
+	//record max scale (used to stretch bounding box for visibility culling)
+	mScale.set(max_scale, max_scale, max_scale);
+
 	mDrawable->movePartition();
 	LLPipeline::sCompiles++;
 	return TRUE;
@@ -485,75 +523,130 @@ BOOL LLVOPartGroup::lineSegmentIntersect(const LLVector4a& start, const LLVector
 void LLVOPartGroup::getGeometry(const LLViewerPart& part,
 								LLStrider<LLVector4a>& verticesp)
 {
-	LLVector4a part_pos_agent;
-	part_pos_agent.load3(part.mPosAgent.mV);
-	LLVector4a camera_agent;
-	camera_agent.load3(getCameraPosition().mV); 
-	LLVector4a at;
-	at.setSub(part_pos_agent, camera_agent);
-	LLVector4a up(0, 0, 1);
-	LLVector4a right;
-
-	right.setCross3(at, up);
-	right.normalize3fast();
-
-	up.setCross3(right, at);
-	up.normalize3fast();
-
-	if (part.mFlags & LLPartData::LL_PART_FOLLOW_VELOCITY_MASK)
+	if (part.mFlags & LLPartData::LL_PART_RIBBON_MASK)
 	{
-		LLVector4a normvel;
-		normvel.load3(part.mVelocity.mV);
-		normvel.normalize3fast();
-		LLVector2 up_fracs;
-		up_fracs.mV[0] = normvel.dot3(right).getF32();
-		up_fracs.mV[1] = normvel.dot3(up).getF32();
-		up_fracs.normalize();
-		LLVector4a new_up;
-		LLVector4a new_right;
-
-		//new_up = up_fracs.mV[0] * right + up_fracs.mV[1]*up;
-		LLVector4a t = right;
-		t.mul(up_fracs.mV[0]);
-		new_up = up;
-		new_up.mul(up_fracs.mV[1]);
-		new_up.add(t);
-
-		//new_right = up_fracs.mV[1] * right - up_fracs.mV[0]*up;
-		t = right;
-		t.mul(up_fracs.mV[1]);
-		new_right = up;
-		new_right.mul(up_fracs.mV[0]);
-		t.sub(new_right);
-
-		up = new_up;
-		right = t;
-		up.normalize3fast();
-		right.normalize3fast();
+		LLVector4a axis, pos, paxis, ppos;
+		F32 scale, pscale;
+
+		pos.load3(part.mPosAgent.mV);
+		axis.load3(part.mAxis.mV);
+		scale = part.mScale.mV[0];
+		
+		if (part.mParent)
+		{
+			ppos.load3(part.mParent->mPosAgent.mV);
+			paxis.load3(part.mParent->mAxis.mV);
+			pscale = part.mParent->mScale.mV[0];
+		}
+		else
+		{ //use source object as position
+			
+			if (part.mPartSourcep->mSourceObjectp.notNull())
+			{
+				LLVector3 v = LLVector3(0,0,1);
+				v *= part.mPartSourcep->mSourceObjectp->getRenderRotation();
+				paxis.load3(v.mV);
+				ppos.load3(part.mPartSourcep->mPosAgent.mV);
+				pscale = part.mStartScale.mV[0];
+			}
+			else
+			{ //no source object, no parent, nothing to draw
+				ppos = pos;
+				pscale = scale;
+				paxis = axis;
+			}
+		}
+
+		LLVector4a p0, p1, p2, p3;
+
+		scale *= 0.5f;
+		pscale *= 0.5f;
+
+		axis.mul(scale);
+		paxis.mul(pscale);
+
+		p0.setAdd(pos, axis);
+		p1.setSub(pos,axis);
+		p2.setAdd(ppos, paxis);
+		p3.setSub(ppos, paxis);
+
+		(*verticesp++) = p2;
+		(*verticesp++) = p3;
+		(*verticesp++) = p0;
+		(*verticesp++) = p1;
 	}
+	else
+	{
+		LLVector4a part_pos_agent;
+		part_pos_agent.load3(part.mPosAgent.mV);
+		LLVector4a camera_agent;
+		camera_agent.load3(getCameraPosition().mV); 
+		LLVector4a at;
+		at.setSub(part_pos_agent, camera_agent);
+		LLVector4a up(0, 0, 1);
+		LLVector4a right;
+
+		right.setCross3(at, up);
+		right.normalize3fast();
 
-	right.mul(0.5f*part.mScale.mV[0]);
-	up.mul(0.5f*part.mScale.mV[1]);
+		up.setCross3(right, at);
+		up.normalize3fast();
+
+		if (part.mFlags & LLPartData::LL_PART_FOLLOW_VELOCITY_MASK)
+		{
+			LLVector4a normvel;
+			normvel.load3(part.mVelocity.mV);
+			normvel.normalize3fast();
+			LLVector2 up_fracs;
+			up_fracs.mV[0] = normvel.dot3(right).getF32();
+			up_fracs.mV[1] = normvel.dot3(up).getF32();
+			up_fracs.normalize();
+			LLVector4a new_up;
+			LLVector4a new_right;
+
+			//new_up = up_fracs.mV[0] * right + up_fracs.mV[1]*up;
+			LLVector4a t = right;
+			t.mul(up_fracs.mV[0]);
+			new_up = up;
+			new_up.mul(up_fracs.mV[1]);
+			new_up.add(t);
+
+			//new_right = up_fracs.mV[1] * right - up_fracs.mV[0]*up;
+			t = right;
+			t.mul(up_fracs.mV[1]);
+			new_right = up;
+			new_right.mul(up_fracs.mV[0]);
+			t.sub(new_right);
+
+			up = new_up;
+			right = t;
+			up.normalize3fast();
+			right.normalize3fast();
+		}
+
+		right.mul(0.5f*part.mScale.mV[0]);
+		up.mul(0.5f*part.mScale.mV[1]);
 
 
-	//HACK -- the verticesp->mV[3] = 0.f here are to set the texture index to 0 (particles don't use texture batching, maybe they should)
-	// this works because there is actually a 4th float stored after the vertex position which is used as a texture index
-	// also, somebody please VECTORIZE THIS
+		//HACK -- the verticesp->mV[3] = 0.f here are to set the texture index to 0 (particles don't use texture batching, maybe they should)
+		// this works because there is actually a 4th float stored after the vertex position which is used as a texture index
+		// also, somebody please VECTORIZE THIS
 
-	LLVector4a ppapu;
-	LLVector4a ppamu;
+		LLVector4a ppapu;
+		LLVector4a ppamu;
 
-	ppapu.setAdd(part_pos_agent, up);
-	ppamu.setSub(part_pos_agent, up);
+		ppapu.setAdd(part_pos_agent, up);
+		ppamu.setSub(part_pos_agent, up);
 
-	verticesp->setSub(ppapu, right);
-	(*verticesp++).getF32ptr()[3] = 0.f;
-	verticesp->setSub(ppamu, right);
-	(*verticesp++).getF32ptr()[3] = 0.f;
-	verticesp->setAdd(ppapu, right);
-	(*verticesp++).getF32ptr()[3] = 0.f;
-	verticesp->setAdd(ppamu, right);
-	(*verticesp++).getF32ptr()[3] = 0.f;
+		verticesp->setSub(ppapu, right);
+		(*verticesp++).getF32ptr()[3] = 0.f;
+		verticesp->setSub(ppamu, right);
+		(*verticesp++).getF32ptr()[3] = 0.f;
+		verticesp->setAdd(ppapu, right);
+		(*verticesp++).getF32ptr()[3] = 0.f;
+		verticesp->setAdd(ppamu, right);
+		(*verticesp++).getF32ptr()[3] = 0.f;
+	}
 }
 
 
@@ -563,6 +656,7 @@ void LLVOPartGroup::getGeometry(S32 idx,
 								LLStrider<LLVector3>& normalsp, 
 								LLStrider<LLVector2>& texcoordsp,
 								LLStrider<LLColor4U>& colorsp, 
+								LLStrider<LLColor4U>& emissivep,
 								LLStrider<U16>& indicesp)
 {
 	if (idx >= (S32) mViewerPartGroupp->mParticles.size())
@@ -574,10 +668,43 @@ void LLVOPartGroup::getGeometry(S32 idx,
 
 	getGeometry(part, verticesp);
 
-	*colorsp++ = part.mColor;
-	*colorsp++ = part.mColor;
-	*colorsp++ = part.mColor;
-	*colorsp++ = part.mColor;
+	LLColor4U pcolor;
+	LLColor4U color = part.mColor;
+
+	LLColor4U pglow;
+
+	if (part.mFlags & LLPartData::LL_PART_RIBBON_MASK)
+	{ //make sure color blends properly
+		if (part.mParent)
+		{
+			pglow = part.mParent->mGlow;
+			pcolor = part.mParent->mColor;
+		}
+		else 
+		{
+			pglow = LLColor4U(0, 0, 0, (U8) llround(255.f*part.mStartGlow));
+			pcolor = part.mStartColor;
+		}
+	}
+	else
+	{
+		pglow = part.mGlow;
+		pcolor = color;
+	}
+
+	*colorsp++ = pcolor;
+	*colorsp++ = pcolor;
+	*colorsp++ = color;
+	*colorsp++ = color;
+
+	//if (pglow.mV[3] || part.mGlow.mV[3])
+	{ //only write glow if it is not zero
+		*emissivep++ = pglow;
+		*emissivep++ = pglow;
+		*emissivep++ = part.mGlow;
+		*emissivep++ = part.mGlow;
+	}
+
 
 	if (!(part.mFlags & LLPartData::LL_PART_EMISSIVE_MASK))
 	{ //not fullbright, needs normal
@@ -720,10 +847,13 @@ void LLParticlePartition::getGeometry(LLSpatialGroup* group)
 	LLStrider<LLVector3> normalsp;
 	LLStrider<LLVector2> texcoordsp;
 	LLStrider<LLColor4U> colorsp;
+	LLStrider<LLColor4U> emissivep;
 
 	buffer->getVertexStrider(verticesp);
 	buffer->getNormalStrider(normalsp);
 	buffer->getColorStrider(colorsp);
+	buffer->getEmissiveStrider(emissivep);
+
 	
 	LLSpatialGroup::drawmap_elem_t& draw_vec = group->mDrawMap[mRenderPass];	
 
@@ -732,7 +862,7 @@ void LLParticlePartition::getGeometry(LLSpatialGroup* group)
 		LLFace* facep = *i;
 		LLAlphaObject* object = (LLAlphaObject*) facep->getViewerObject();
 
-		if (!facep->isState(LLFace::PARTICLE))
+		//if (!facep->isState(LLFace::PARTICLE))
 		{ //set the indices of this face
 			S32 idx = LLVOPartGroup::findAvailableVBSlot();
 			if (idx >= 0)
@@ -741,7 +871,7 @@ void LLParticlePartition::getGeometry(LLSpatialGroup* group)
 				facep->setIndicesIndex(idx*6);
 				facep->setVertexBuffer(LLVOPartGroup::sVB);
 				facep->setPoolType(LLDrawPool::POOL_ALPHA);
-				facep->setState(LLFace::PARTICLE);
+				//facep->setState(LLFace::PARTICLE);
 			}
 			else
 			{
@@ -756,9 +886,19 @@ void LLParticlePartition::getGeometry(LLSpatialGroup* group)
 		LLStrider<LLVector3> cur_norm = normalsp + geom_idx;
 		LLStrider<LLVector2> cur_tc = texcoordsp + geom_idx;
 		LLStrider<LLColor4U> cur_col = colorsp + geom_idx;
+		LLStrider<LLColor4U> cur_glow = emissivep + geom_idx;
+
+		LLColor4U* start_glow = cur_glow.get();
 
-		object->getGeometry(facep->getTEOffset(), cur_vert, cur_norm, cur_tc, cur_col, cur_idx);
+		object->getGeometry(facep->getTEOffset(), cur_vert, cur_norm, cur_tc, cur_col, cur_glow, cur_idx);
 		
+		BOOL has_glow = FALSE;
+
+		if (cur_glow.get() != start_glow)
+		{
+			has_glow = TRUE;
+		}
+
 		llassert(facep->getGeomCount() == 4);
 		llassert(facep->getIndicesCount() == 6);
 
@@ -773,24 +913,37 @@ void LLParticlePartition::getGeometry(LLSpatialGroup* group)
 
 		bool batched = false;
 	
-		if (idx >= 0 &&
-			draw_vec[idx]->mTexture == facep->getTexture() &&
-			draw_vec[idx]->mFullbright == fullbright)
+		U32 bf_src = LLRender::BF_SOURCE_ALPHA;
+		U32 bf_dst = LLRender::BF_ONE_MINUS_SOURCE_ALPHA;
+
+		object->getBlendFunc(facep->getTEOffset(), bf_src, bf_dst);
+
+		
+		if (idx >= 0)
 		{
-			if (draw_vec[idx]->mEnd == facep->getGeomIndex()-1)
-			{
-				batched = true;
-				draw_vec[idx]->mCount += facep->getIndicesCount();
-				draw_vec[idx]->mEnd += facep->getGeomCount();
-				draw_vec[idx]->mVSize = llmax(draw_vec[idx]->mVSize, vsize);
-			}
-			else if (draw_vec[idx]->mStart == facep->getGeomIndex()+facep->getGeomCount()+1)
+			LLDrawInfo* info = draw_vec[idx];
+
+			if (info->mTexture == facep->getTexture() &&
+				info->mHasGlow == has_glow &&
+				info->mFullbright == fullbright &&
+				info->mBlendFuncDst == bf_dst &&
+				info->mBlendFuncSrc == bf_src)
 			{
-				batched = true;
-				draw_vec[idx]->mCount += facep->getIndicesCount();
-				draw_vec[idx]->mStart -= facep->getGeomCount();
-				draw_vec[idx]->mOffset = facep->getIndicesStart();
-				draw_vec[idx]->mVSize = llmax(draw_vec[idx]->mVSize, vsize);
+				if (draw_vec[idx]->mEnd == facep->getGeomIndex()-1)
+				{
+					batched = true;
+					info->mCount += facep->getIndicesCount();
+					info->mEnd += facep->getGeomCount();
+					info->mVSize = llmax(draw_vec[idx]->mVSize, vsize);
+				}
+				else if (draw_vec[idx]->mStart == facep->getGeomIndex()+facep->getGeomCount()+1)
+				{
+					batched = true;
+					info->mCount += facep->getIndicesCount();
+					info->mStart -= facep->getGeomCount();
+					info->mOffset = facep->getIndicesStart();
+					info->mVSize = llmax(draw_vec[idx]->mVSize, vsize);
+				}
 			}
 		}
 
@@ -807,6 +960,10 @@ void LLParticlePartition::getGeometry(LLSpatialGroup* group)
 			info->mExtents[0] = group->mObjectExtents[0];
 			info->mExtents[1] = group->mObjectExtents[1];
 			info->mVSize = vsize;
+			info->mBlendFuncDst = bf_dst;
+			info->mBlendFuncSrc = bf_src;
+			info->mHasGlow = has_glow;
+			info->mParticle = TRUE;
 			draw_vec.push_back(info);
 			//for alpha sorting
 			facep->setDrawInfo(info);
diff --git a/indra/newview/llvopartgroup.h b/indra/newview/llvopartgroup.h
index 2befb01823..724e915d02 100755
--- a/indra/newview/llvopartgroup.h
+++ b/indra/newview/llvopartgroup.h
@@ -42,8 +42,7 @@ public:
 
 	//vertex buffer for holding all particles
 	static LLPointer<LLVertexBuffer> sVB;
-	static S32 sVBSlotFree[LL_MAX_PARTICLE_COUNT];
-	static S32* sVBSlotCursor;
+	static S32 sVBSlotCursor;
 
 	static void initClass();
 	static void restoreGL();
@@ -57,6 +56,7 @@ public:
 							LLVertexBuffer::MAP_NORMAL |
 							LLVertexBuffer::MAP_TEXCOORD0 |
 							LLVertexBuffer::MAP_COLOR |
+							LLVertexBuffer::MAP_EMISSIVE |
 							LLVertexBuffer::MAP_TEXTURE_INDEX
 	};
 
@@ -91,10 +91,12 @@ public:
 								LLStrider<LLVector3>& normalsp, 
 								LLStrider<LLVector2>& texcoordsp,
 								LLStrider<LLColor4U>& colorsp, 
+								LLStrider<LLColor4U>& emissivep,
 								LLStrider<U16>& indicesp);
 
 	void updateFaceSize(S32 idx) { }
 	F32 getPartSize(S32 idx);
+	void getBlendFunc(S32 idx, U32& src, U32& dst);
 	LLUUID getPartOwner(S32 idx);
 	LLUUID getPartSource(S32 idx);
 
diff --git a/indra/newview/llvovolume.cpp b/indra/newview/llvovolume.cpp
index 77a7d22ea3..48b4673fd8 100755
--- a/indra/newview/llvovolume.cpp
+++ b/indra/newview/llvovolume.cpp
@@ -101,6 +101,8 @@ static LLFastTimer::DeclareTimer FTM_GEN_TRIANGLES("Generate Triangles");
 static LLFastTimer::DeclareTimer FTM_GEN_VOLUME("Generate Volumes");
 static LLFastTimer::DeclareTimer FTM_VOLUME_TEXTURES("Volume Textures");
 
+extern BOOL gGLDebugLoggingEnabled;
+
 // Implementation class of LLMediaDataClientObject.  See llmediadataclient.h
 class LLMediaDataClientObjectImpl : public LLMediaDataClientObject
 {
@@ -384,7 +386,6 @@ U32 LLVOVolume::processUpdateMessage(LLMessageSystem *mesgsys,
 	}
 	else
 	{
-		// CORY TO DO: Figure out how to get the value here
 		if (update_type != OUT_TERSE_IMPROVED)
 		{
 			LLVolumeParams volume_params;
@@ -453,6 +454,11 @@ U32 LLVOVolume::processUpdateMessage(LLMessageSystem *mesgsys,
 				mFaceMappingChanged = TRUE;
 				mTexAnimMode = 0;
 			}
+
+			if (value & 0x400)
+			{ //particle system (new)
+				unpackParticleSource(*dp, mOwnerID, false);
+			}
 		}
 		else
 		{
@@ -1029,8 +1035,7 @@ BOOL LLVOVolume::setVolume(const LLVolumeParams &params_in, const S32 detail, bo
 				}
 			}
 		}
-
-
+		
 		static LLCachedControl<bool> use_transform_feedback(gSavedSettings, "RenderUseTransformFeedback");
 
 		bool cache_in_vram = use_transform_feedback && gTransformPositionProgram.mProgramObject &&
@@ -1047,7 +1052,9 @@ BOOL LLVOVolume::setVolume(const LLVolumeParams &params_in, const S32 detail, bo
 					break;
 				}
 				volume->genTangents(i);
+				//gGLDebugLoggingEnabled = TRUE;
 				LLFace::cacheFaceInVRAM(face);
+				//gGLDebugLoggingEnabled = FALSE;
 			}
 		}
 		
@@ -1096,6 +1103,12 @@ void LLVOVolume::notifyMeshLoaded()
 { 
 	mSculptChanged = TRUE;
 	gPipeline.markRebuild(mDrawable, LLDrawable::REBUILD_GEOMETRY, TRUE);
+
+	LLVOAvatar* avatar = getAvatar();
+	if (avatar)
+	{
+		avatar->updateVisualComplexity();
+	}
 }
 
 // sculpt replaces generate() for sculpted surfaces
@@ -1124,28 +1137,38 @@ void LLVOVolume::sculpt()
 		S32 current_discard = getVolume()->getSculptLevel() ;
 		if(current_discard < -2)
 		{
-			static S32 low_sculpty_discard_warning_count = 100;
-			if (++low_sculpty_discard_warning_count >= 100)
-			{	// Log first time, then every 100 afterwards otherwise this can flood the logs
+			static S32 low_sculpty_discard_warning_count = 1;
+			S32 exponent = llmax(1, llfloor( log10((F64) low_sculpty_discard_warning_count) ));
+			S32 interval = pow(10.0, exponent);
+			if ( low_sculpty_discard_warning_count < 10 ||
+				(low_sculpty_discard_warning_count % interval) == 0)
+			{	// Log first 10 time, then decreasing intervals afterwards otherwise this can flood the logs
 				llwarns << "WARNING!!: Current discard for sculpty " << mSculptTexture->getID() 
 					<< " at " << current_discard 
-					<< " is less than -2." << llendl;
-				low_sculpty_discard_warning_count = 0;
+					<< " is less than -2." 
+					<< " Hit this " << low_sculpty_discard_warning_count << " times"
+					<< llendl;
 			}
+			low_sculpty_discard_warning_count++;
 			
 			// corrupted volume... don't update the sculpty
 			return;
 		}
 		else if (current_discard > MAX_DISCARD_LEVEL)
 		{
-			static S32 high_sculpty_discard_warning_count = 100;
-			if (++high_sculpty_discard_warning_count >= 100)
-			{	// Log first time, then every 100 afterwards otherwise this can flood the logs
+			static S32 high_sculpty_discard_warning_count = 1;
+			S32 exponent = llmax(1, llfloor( log10((F64) high_sculpty_discard_warning_count) ));
+			S32 interval = pow(10.0, exponent);
+			if ( high_sculpty_discard_warning_count < 10 ||
+				(high_sculpty_discard_warning_count % interval) == 0)
+			{	// Log first 10 time, then decreasing intervals afterwards otherwise this can flood the logs
 				llwarns << "WARNING!!: Current discard for sculpty " << mSculptTexture->getID() 
 					<< " at " << current_discard 
-					<< " is more than than allowed max of " << MAX_DISCARD_LEVEL << llendl;
-				high_sculpty_discard_warning_count = 0;
+					<< " is more than than allowed max of " << MAX_DISCARD_LEVEL
+					<< ".  Hit this " << high_sculpty_discard_warning_count << " times"
+					<< llendl;
 			}
+			high_sculpty_discard_warning_count++;
 
 			// corrupted volume... don't update the sculpty			
 			return;
@@ -1238,7 +1261,7 @@ BOOL LLVOVolume::calcLOD()
 	else
 	{
 		distance = mDrawable->mDistanceWRTCamera;
-		radius = getVolume()->mLODScaleBias.scaledVec(getScale()).length();
+		radius = getVolume() ? getVolume()->mLODScaleBias.scaledVec(getScale()).length() : getScale().length();
 	}
 	
 	//hold onto unmodified distance for debugging
@@ -1268,7 +1291,7 @@ BOOL LLVOVolume::calcLOD()
 	{
 		//setDebugText(llformat("%.2f:%.2f, %d", debug_distance, radius, cur_detail));
 
-		setDebugText(llformat("%d", mDrawable->getFace(0)->getTextureIndex()));
+		//setDebugText(llformat("%d", mDrawable->getFace(0)->getTextureIndex()));
 	}
 
 	if (cur_detail != mLOD)
@@ -3021,7 +3044,7 @@ void LLVOVolume::generateSilhouette(LLSelectNode* nodep, const LLVector3& view_p
 
 		//transform view vector into volume space
 		view_vector -= getRenderPosition();
-		mDrawable->mDistanceWRTCamera = view_vector.length();
+		//mDrawable->mDistanceWRTCamera = view_vector.length();
 		LLQuaternion worldRot = getRenderRotation();
 		view_vector = view_vector * ~worldRot;
 		if (!isVolumeGlobal())
@@ -3890,10 +3913,13 @@ void LLRiggedVolume::update(const LLMeshSkinInfo* skin, LLVOAvatar* avatar, cons
 	}
 
 	//build matrix palette
-	LLMatrix4a mp[64];
+	static const size_t kMaxJoints = 64;
+
+	LLMatrix4a mp[kMaxJoints];
 	LLMatrix4* mat = (LLMatrix4*) mp;
 	
-	for (U32 j = 0; j < skin->mJointNames.size(); ++j)
+	U32 maxJoints = llmin(skin->mJointNames.size(), kMaxJoints);
+	for (U32 j = 0; j < maxJoints; ++j)
 	{
 		LLJoint* joint = avatar->getJoint(skin->mJointNames[j]);
 		if (joint)
@@ -3948,8 +3974,10 @@ void LLRiggedVolume::update(const LLMeshSkinInfo* skin, LLVOAvatar* avatar, cons
 						F32 w = wght[k];
 
 						LLMatrix4a src;
-						src.setMul(mp[idx[k]], w);
-
+						// Insure ref'd bone is in our clamped array of mats
+						llassert(idx[k] < kMaxJoints);
+						// clamp k to kMaxJoints to avoid reading garbage off stack in release
+						src.setMul(mp[idx[(k < kMaxJoints) ? k : 0]], w);
 						final_mat.add(src);
 					}
 
@@ -4360,7 +4388,9 @@ void LLVolumeGeometryManager::rebuildGeom(LLSpatialGroup* group)
 	if (pAvatarVO)
 	{
 		pAvatarVO->mAttachmentGeometryBytes -= group->mGeometryBytes;
+		pAvatarVO->mAttachmentGeometryBytes = llmax(pAvatarVO->mAttachmentGeometryBytes, 0);
 		pAvatarVO->mAttachmentSurfaceArea -= group->mSurfaceArea;
+		pAvatarVO->mAttachmentSurfaceArea = llmax(pAvatarVO->mAttachmentSurfaceArea, 0.f);
 	}
 
 	group->mGeometryBytes = 0;
@@ -4373,14 +4403,21 @@ void LLVolumeGeometryManager::rebuildGeom(LLSpatialGroup* group)
 
 	mFaceList.clear();
 
-	std::vector<LLFace*> fullbright_faces;
-	std::vector<LLFace*> bump_faces;
-	std::vector<LLFace*> norm_faces;
-	std::vector<LLFace*> spec_faces;
-	std::vector<LLFace*> normspec_faces;
-	std::vector<LLFace*> simple_faces;
-
-	std::vector<LLFace*> alpha_faces;
+	const U32 MAX_FACE_COUNT = 4096;
+	
+	static LLFace** fullbright_faces = (LLFace**) ll_aligned_malloc(MAX_FACE_COUNT*sizeof(LLFace*),64);
+	static LLFace** bump_faces = (LLFace**) ll_aligned_malloc(MAX_FACE_COUNT*sizeof(LLFace*),64);
+	static LLFace** simple_faces = (LLFace**) ll_aligned_malloc(MAX_FACE_COUNT*sizeof(LLFace*),64);
+	static LLFace** norm_faces = (LLFace*) ll_aligned_malloc(MAX_FACE_COUNT*sizeof(LLFace*), 64);
+	static LLFace** spec_faces = (LLFace*) ll_aligned_malloc(MAX_FACE_COUNT*sizeof(LLFace*), 64);
+	static LLFace** normspec_faces = (LLFace*) ll_aligned_malloc(MAX_FACE_COUNT*sizeof(LLFace*), 64);
+	static LLFace** alpha_faces = (LLFace**) ll_aligned_malloc(MAX_FACE_COUNT*sizeof(LLFace*),64);
+	
+	U32 fullbright_count = 0;
+	U32 bump_count = 0;
+	U32 simple_count = 0;
+	U32 alpha_count = 0;
+	
 	U32 useage = group->mSpatialPartition->mBufferUsage;
 
 	U32 max_vertices = (gSavedSettings.getS32("RenderMaxVBOSize")*1024)/LLVertexBuffer::calcVertexSize(group->mSpatialPartition->mVertexDataMask);
@@ -4391,6 +4428,8 @@ void LLVolumeGeometryManager::rebuildGeom(LLSpatialGroup* group)
 
 	bool emissive = false;
 
+	
+
 	{
 		LLFastTimer t(FTM_REBUILD_VOLUME_FACE_LIST);
 
@@ -4749,7 +4788,10 @@ void LLVolumeGeometryManager::rebuildGeom(LLSpatialGroup* group)
 					{
 						if (facep->canRenderAsMask())
 						{ //can be treated as alpha mask
-							simple_faces.push_back(facep);
+							if (simple_count < MAX_FACE_COUNT)
+							{
+								simple_faces[simple_count++] = facep;
+							}
 						}
 						else
 						{
@@ -4757,7 +4799,10 @@ void LLVolumeGeometryManager::rebuildGeom(LLSpatialGroup* group)
 							{ //only treat as alpha in the pipeline if < 100% transparent
 								drawablep->setState(LLDrawable::HAS_ALPHA);
 							}
-							alpha_faces.push_back(facep);
+							if (alpha_count < MAX_FACE_COUNT)
+							{
+								alpha_faces[alpha_count++] = facep;
+							}
 						}
 					}
 					else
@@ -4795,33 +4840,47 @@ void LLVolumeGeometryManager::rebuildGeom(LLSpatialGroup* group)
 							}
 							else if (te->getBumpmap())
 							{ //needs normal + tangent
-								bump_faces.push_back(facep);
 							}
 							else if (te->getShiny() || !te->getFullbright())
 							{ //needs normal
-								simple_faces.push_back(facep);
+								if (simple_count < MAX_FACE_COUNT)
+								{
+									simple_faces[simple_count++] = facep;
+								}
 							}
 							else 
 							{ //doesn't need normal
 								facep->setState(LLFace::FULLBRIGHT);
-								fullbright_faces.push_back(facep);
+								if (fullbright_count < MAX_FACE_COUNT)
+								{
+									fullbright_faces[fullbright_count++] = facep;
+								}
 							}
 						}
 						else
 						{
 							if (te->getBumpmap() && LLPipeline::sRenderBump)
 							{ //needs normal + tangent
-								bump_faces.push_back(facep);
+								if (bump_count < MAX_FACE_COUNT)
+								{
+									bump_faces[bump_count++] = facep;
+								}
 							}
 							else if ((te->getShiny() && LLPipeline::sRenderBump) ||
 								!(te->getFullbright() || bake_sunlight))
 							{ //needs normal
-								simple_faces.push_back(facep);
+								if (simple_count < MAX_FACE_COUNT)
+								{
+									simple_faces[simple_count++] = facep;
+								}
 							}
 							else 
 							{ //doesn't need normal
 								facep->setState(LLFace::FULLBRIGHT);
-								fullbright_faces.push_back(facep);
+								if (fullbright_count < MAX_FACE_COUNT)
+								{
+									fullbright_faces[fullbright_count++] = facep;
+								}
 							}
 						}
 					}
@@ -4919,6 +4978,7 @@ void LLVolumeGeometryManager::rebuildGeom(LLSpatialGroup* group)
 	}
 }
 
+static LLFastTimer::DeclareTimer FTM_REBUILD_MESH_FLUSH("Flush Mesh");
 
 void LLVolumeGeometryManager::rebuildMesh(LLSpatialGroup* group)
 {
@@ -4928,11 +4988,14 @@ void LLVolumeGeometryManager::rebuildMesh(LLSpatialGroup* group)
 		LLFastTimer ftm(FTM_REBUILD_VOLUME_VB);
 		LLFastTimer t(FTM_REBUILD_VOLUME_GEN_DRAW_INFO); //make sure getgeometryvolume shows up in the right place in timers
 
-		S32 num_mapped_veretx_buffer = LLVertexBuffer::sMappedCount ;
-
 		group->mBuilt = 1.f;
 		
-		std::set<LLVertexBuffer*> mapped_buffers;
+		S32 num_mapped_vertex_buffer = LLVertexBuffer::sMappedCount ;
+
+		const U32 MAX_BUFFER_COUNT = 4096;
+		LLVertexBuffer* locked_buffer[MAX_BUFFER_COUNT];
+
+		U32 buffer_count = 0;
 
 		for (LLSpatialGroup::element_iter drawable_iter = group->getDataBegin(); drawable_iter != group->getDataEnd(); ++drawable_iter)
 		{
@@ -4942,7 +5005,7 @@ void LLVolumeGeometryManager::rebuildMesh(LLSpatialGroup* group)
 			{
 				LLVOVolume* vobj = drawablep->getVOVolume();
 				vobj->preRebuild();
-
+				
 				if (drawablep->isState(LLDrawable::ANIMATED_CHILD))
 				{
 					vobj->updateRelativeXform(true);
@@ -4967,9 +5030,9 @@ void LLVolumeGeometryManager::rebuildMesh(LLSpatialGroup* group)
 							}
 
 
-							if (buff->isLocked())
+							if (buff->isLocked() && buffer_count < MAX_BUFFER_COUNT)
 							{
-								mapped_buffers.insert(buff);
+								locked_buffer[buffer_count++] = buff;
 							}
 						}
 					}
@@ -4985,21 +5048,24 @@ void LLVolumeGeometryManager::rebuildMesh(LLSpatialGroup* group)
 			}
 		}
 		
-		for (std::set<LLVertexBuffer*>::iterator iter = mapped_buffers.begin(); iter != mapped_buffers.end(); ++iter)
 		{
-			(*iter)->flush();
-		}
-
-		// don't forget alpha
-		if(group != NULL && 
-		   !group->mVertexBuffer.isNull() && 
-		   group->mVertexBuffer->isLocked())
-		{
-			group->mVertexBuffer->flush();
+			LLFastTimer t(FTM_REBUILD_MESH_FLUSH);
+			for (LLVertexBuffer** iter = locked_buffer, ** end_iter = locked_buffer+buffer_count; iter != end_iter; ++iter)
+			{
+				(*iter)->flush();
+			}
+		
+			// don't forget alpha
+			if(group != NULL && 
+			   !group->mVertexBuffer.isNull() && 
+			   group->mVertexBuffer->isLocked())
+			{
+				group->mVertexBuffer->flush();
+			}
 		}
 
 		//if not all buffers are unmapped
-		if(num_mapped_veretx_buffer != LLVertexBuffer::sMappedCount) 
+		if(num_mapped_vertex_buffer != LLVertexBuffer::sMappedCount) 
 		{
 			llwarns << "Not all mapped vertex buffers are unmapped!" << llendl ; 
 			for (LLSpatialGroup::element_iter drawable_iter = group->getDataBegin(); drawable_iter != group->getDataEnd(); ++drawable_iter)
@@ -5066,12 +5132,22 @@ static LLFastTimer::DeclareTimer FTM_GEN_DRAW_INFO_RESIZE_VB("Resize VB");
 
 
 
-void LLVolumeGeometryManager::genDrawInfo(LLSpatialGroup* group, U32 mask, std::vector<LLFace*>& faces, BOOL distance_sort, BOOL batch_textures, BOOL no_materials)
+void LLVolumeGeometryManager::genDrawInfo(LLSpatialGroup* group, U32 mask, LLFace** faces, U32 face_count, BOOL distance_sort, BOOL batch_textures, BOOL no_materials)
 {
 	LLFastTimer t(FTM_REBUILD_VOLUME_GEN_DRAW_INFO);
 
 	U32 buffer_usage = group->mBufferUsage;
 	
+	static LLCachedControl<bool> use_transform_feedback(gSavedSettings, "RenderUseTransformFeedback");
+
+	if (use_transform_feedback &&
+		gTransformPositionProgram.mProgramObject && //transform shaders are loaded
+		buffer_usage == GL_DYNAMIC_DRAW_ARB && //target buffer is in VRAM
+		!(mask & LLVertexBuffer::MAP_WEIGHT4)) //TODO: add support for weights
+	{
+		buffer_usage = GL_DYNAMIC_COPY_ARB;
+	}
+
 #if LL_DARWIN
 	// HACK from Leslie:
 	// Disable VBO usage for alpha on Mac OS X because it kills the framerate
@@ -5092,17 +5168,18 @@ void LLVolumeGeometryManager::genDrawInfo(LLSpatialGroup* group, U32 mask, std::
 		if (!distance_sort)
 		{
 			//sort faces by things that break batches
-			std::sort(faces.begin(), faces.end(), CompareBatchBreakerModified());
+			std::sort(faces, faces+face_count, CompareBatchBreakerModified());
 		}
 		else
 		{
 			//sort faces by distance
-			std::sort(faces.begin(), faces.end(), LLFace::CompareDistanceGreater());
+			std::sort(faces, faces+face_count, LLFace::CompareDistanceGreater());
 		}
 	}
 				
 	bool hud_group = group->isHUDGroup() ;
-	std::vector<LLFace*>::iterator face_iter = faces.begin();
+	LLFace** face_iter = faces;
+	LLFace** end_faces = faces+face_count;
 	
 	LLSpatialGroup::buffer_map_t buffer_map;
 
@@ -5131,7 +5208,9 @@ void LLVolumeGeometryManager::genDrawInfo(LLSpatialGroup* group, U32 mask, std::
 	//NEVER use more than 16 texture index channels (workaround for prevalent driver bug)
 	texture_index_channels = llmin(texture_index_channels, 16);
 
-	while (face_iter != faces.end())
+	bool flexi = false;
+
+	while (face_iter != end_faces)
 	{
 		//pull off next face
 		LLFace* facep = *face_iter;
@@ -5158,11 +5237,16 @@ void LLVolumeGeometryManager::genDrawInfo(LLSpatialGroup* group, U32 mask, std::
 		U32 index_count = facep->getIndicesCount();
 		U32 geom_count = facep->getGeomCount();
 
+		flexi = flexi || facep->getViewerObject()->getVolume()->isUnique();
+
 		//sum up vertices needed for this render batch
-		std::vector<LLFace*>::iterator i = face_iter;
+		LLFace** i = face_iter;
 		++i;
 		
-		std::vector<LLViewerTexture*> texture_list;
+		const U32 MAX_TEXTURE_COUNT = 32;
+		LLViewerTexture* texture_list[MAX_TEXTURE_COUNT];
+		
+		U32 texture_count = 0;
 
 		{
 			LLFastTimer t(FTM_GEN_DRAW_INFO_FACE_SIZE);
@@ -5170,12 +5254,15 @@ void LLVolumeGeometryManager::genDrawInfo(LLSpatialGroup* group, U32 mask, std::
 			{
 				U8 cur_tex = 0;
 				facep->setTextureIndex(cur_tex);
-				texture_list.push_back(tex);
-
+				if (texture_count < MAX_TEXTURE_COUNT)
+				{
+					texture_list[texture_count++] = tex;
+				}
+				
 				if (can_batch_texture(facep))
 				{ //populate texture_list with any textures that can be batched
 				  //move i to the next unbatchable face
-					while (i != faces.end())
+					while (i != end_faces)
 					{
 						facep = *i;
 						
@@ -5191,7 +5278,7 @@ void LLVolumeGeometryManager::genDrawInfo(LLSpatialGroup* group, U32 mask, std::
 							if (distance_sort)
 							{ //textures might be out of order, see if texture exists in current batch
 								bool found = false;
-								for (U32 tex_idx = 0; tex_idx < texture_list.size(); ++tex_idx)
+								for (U32 tex_idx = 0; tex_idx < texture_count; ++tex_idx)
 								{
 									if (facep->getTexture() == texture_list[tex_idx])
 									{
@@ -5203,7 +5290,7 @@ void LLVolumeGeometryManager::genDrawInfo(LLSpatialGroup* group, U32 mask, std::
 
 								if (!found)
 								{
-									cur_tex = texture_list.size();
+									cur_tex = texture_count;
 								}
 							}
 							else
@@ -5218,7 +5305,10 @@ void LLVolumeGeometryManager::genDrawInfo(LLSpatialGroup* group, U32 mask, std::
 
 							tex = facep->getTexture();
 
-							texture_list.push_back(tex);
+							if (texture_count < MAX_TEXTURE_COUNT)
+							{
+								texture_list[texture_count++] = tex;
+							}
 						}
 
 						if (geom_count + facep->getGeomCount() > max_vertices)
@@ -5227,6 +5317,9 @@ void LLVolumeGeometryManager::genDrawInfo(LLSpatialGroup* group, U32 mask, std::
 						}
 
 						++i;
+
+						flexi = flexi || facep->getViewerObject()->getVolume()->isUnique();
+
 						index_count += facep->getIndicesCount();
 						geom_count += facep->getGeomCount();
 
@@ -5242,7 +5335,7 @@ void LLVolumeGeometryManager::genDrawInfo(LLSpatialGroup* group, U32 mask, std::
 			}
 			else
 			{
-				while (i != faces.end() && 
+				while (i != end_faces && 
 					(LLPipeline::sTextureBindTest || 
 						(distance_sort || 
 							((*i)->getTexture() == tex &&
@@ -5263,8 +5356,16 @@ void LLVolumeGeometryManager::genDrawInfo(LLSpatialGroup* group, U32 mask, std::
 					++i;
 					index_count += facep->getIndicesCount();
 					geom_count += facep->getGeomCount();
+
+					flexi = flexi || facep->getViewerObject()->getVolume()->isUnique();
+				}
 				}
 			}
+
+
+		if (flexi && buffer_usage && buffer_usage != GL_STREAM_DRAW_ARB)
+		{
+			buffer_usage = GL_STREAM_DRAW_ARB;
 		}
 
 		//create vertex buffer
diff --git a/indra/newview/llwaterparammanager.cpp b/indra/newview/llwaterparammanager.cpp
index 4f52ff9778..548890b5b5 100755
--- a/indra/newview/llwaterparammanager.cpp
+++ b/indra/newview/llwaterparammanager.cpp
@@ -188,13 +188,11 @@ void LLWaterParamManager::updateShaderUniforms(LLGLSLShader * shader)
 	if (shader->mShaderGroup == LLGLSLShader::SG_WATER)
 	{
 		shader->uniform4fv(LLViewerShaderMgr::LIGHTNORM, 1, LLWLParamManager::getInstance()->getRotatedLightDir().mV);
-		shader->uniform3fv("camPosLocal", 1, LLViewerCamera::getInstance()->getOrigin().mV);
-		shader->uniform4fv("waterFogColor", 1, LLDrawPoolWater::sWaterFogColor.mV);
-		shader->uniform1f("waterFogEnd", LLDrawPoolWater::sWaterFogEnd);
-		shader->uniform4fv("waterPlane", 1, mWaterPlane.mV);
-		shader->uniform1f("waterFogDensity", getFogDensity());
-		shader->uniform1f("waterFogKS", mWaterFogKS);
-		shader->uniform1f("distance_multiplier", 0);
+		shader->uniform4fv(LLShaderMgr::WATER_FOGCOLOR, 1, LLDrawPoolWater::sWaterFogColor.mV);
+		shader->uniform4fv(LLShaderMgr::WATER_WATERPLANE, 1, mWaterPlane.mV);
+		shader->uniform1f(LLShaderMgr::WATER_FOGDENSITY, getFogDensity());
+		shader->uniform1f(LLShaderMgr::WATER_FOGKS, mWaterFogKS);
+		shader->uniform1f(LLViewerShaderMgr::DISTANCE_MULTIPLIER, 0);
 	}
 }
 
diff --git a/indra/newview/llwaterparamset.h b/indra/newview/llwaterparamset.h
index b28585af59..368cb0ccba 100755
--- a/indra/newview/llwaterparamset.h
+++ b/indra/newview/llwaterparamset.h
@@ -33,6 +33,7 @@
 #include "v4math.h"
 #include "v4color.h"
 #include "llviewershadermgr.h"
+#include "llstringtable.h"
 
 class LLWaterParamSet;
 
@@ -47,6 +48,9 @@ public:
 private:
 
 	LLSD mParamValues;
+	std::vector<LLStaticHashedString> mParamHashedNames;
+
+	void updateHashedNames();
 
 public:
 
@@ -140,6 +144,17 @@ inline void LLWaterParamSet::setAll(const LLSD& val)
 			mParamValues[mIt->first] = mIt->second;
 		}
 	}
+	updateHashedNames();
+}
+
+inline void LLWaterParamSet::updateHashedNames()
+{
+	mParamHashedNames.clear();
+	// Iterate through values
+	for(LLSD::map_iterator iter = mParamValues.beginMap(); iter != mParamValues.endMap(); ++iter)
+	{
+		mParamHashedNames.push_back(LLStaticHashedString(iter->first));
+	}
 }
 
 inline const LLSD& LLWaterParamSet::getAll()
diff --git a/indra/newview/llwlanimator.h b/indra/newview/llwlanimator.h
index 5223b45343..810f4cf7e5 100755
--- a/indra/newview/llwlanimator.h
+++ b/indra/newview/llwlanimator.h
@@ -137,3 +137,4 @@ private:
 };
 
 #endif // LL_WL_ANIMATOR_H
+
diff --git a/indra/newview/llwlparammanager.cpp b/indra/newview/llwlparammanager.cpp
index 6077208799..04d41a2512 100755
--- a/indra/newview/llwlparammanager.cpp
+++ b/indra/newview/llwlparammanager.cpp
@@ -352,7 +352,7 @@ void LLWLParamManager::updateShaderUniforms(LLGLSLShader * shader)
 	if (shader->mShaderGroup == LLGLSLShader::SG_DEFAULT)
 	{
 		shader->uniform4fv(LLViewerShaderMgr::LIGHTNORM, 1, mRotatedLightDir.mV);
-		shader->uniform3fv("camPosLocal", 1, LLViewerCamera::getInstance()->getOrigin().mV);
+		shader->uniform3fv(LLShaderMgr::WL_CAMPOSLOCAL, 1, LLViewerCamera::getInstance()->getOrigin().mV);
 	} 
 
 	else if (shader->mShaderGroup == LLGLSLShader::SG_SKY)
@@ -360,7 +360,7 @@ void LLWLParamManager::updateShaderUniforms(LLGLSLShader * shader)
 		shader->uniform4fv(LLViewerShaderMgr::LIGHTNORM, 1, mClampedLightDir.mV);
 	}
 
-	shader->uniform1f("scene_light_strength", mSceneLightStrength);
+	shader->uniform1f(LLShaderMgr::SCENE_LIGHT_STRENGTH, mSceneLightStrength);
 	
 }
 
diff --git a/indra/newview/llwlparammanager.h b/indra/newview/llwlparammanager.h
index 72422500fc..e13aed98ed 100755
--- a/indra/newview/llwlparammanager.h
+++ b/indra/newview/llwlparammanager.h
@@ -412,3 +412,4 @@ inline LLVector4 LLWLParamManager::getRotatedLightDir(void) const
 }
 
 #endif
+
diff --git a/indra/newview/llwlparamset.cpp b/indra/newview/llwlparamset.cpp
index dba3970635..8529a4614b 100755
--- a/indra/newview/llwlparamset.cpp
+++ b/indra/newview/llwlparamset.cpp
@@ -39,6 +39,22 @@
 
 #include <sstream>
 
+static LLStaticHashedString sStarBrightness("star_brightness");
+static LLStaticHashedString sPresetNum("preset_num");
+static LLStaticHashedString sSunAngle("sun_angle");
+static LLStaticHashedString sEastAngle("east_angle");
+static LLStaticHashedString sEnableCloudScroll("enable_cloud_scroll");
+static LLStaticHashedString sCloudScrollRate("cloud_scroll_rate");
+static LLStaticHashedString sLightNorm("lightnorm");
+static LLStaticHashedString sCloudDensity("cloud_pos_density1");
+static LLStaticHashedString sCloudScale("cloud_scale");
+static LLStaticHashedString sCloudShadow("cloud_shadow");
+static LLStaticHashedString sDensityMultiplier("density_multiplier");
+static LLStaticHashedString sDistanceMultiplier("distance_multiplier");
+static LLStaticHashedString sHazeDensity("haze_density");
+static LLStaticHashedString sHazeHorizon("haze_horizon");
+static LLStaticHashedString sMaxY("max_y");
+
 LLWLParamSet::LLWLParamSet(void) :
 	mName("Unnamed Preset"),
 	mCloudScrollXOffset(0.f), mCloudScrollYOffset(0.f)	
@@ -49,21 +65,24 @@ static LLFastTimer::DeclareTimer FTM_WL_PARAM_UPDATE("WL Param Update");
 void LLWLParamSet::update(LLGLSLShader * shader) const 
 {	
 	LLFastTimer t(FTM_WL_PARAM_UPDATE);
-
-	for(LLSD::map_const_iterator i = mParamValues.beginMap();
-		i != mParamValues.endMap();
-		++i)
+	LLSD::map_const_iterator i = mParamValues.beginMap();
+	std::vector<LLStaticHashedString>::const_iterator n = mParamHashedNames.begin();
+	for(;(i != mParamValues.endMap()) && (n != mParamHashedNames.end());++i, n++)
 	{
-		const std::string& param = i->first;
+		const LLStaticHashedString& param = *n;
 		
-		if (param == "star_brightness" || param == "preset_num" || param == "sun_angle" ||
-			param == "east_angle" || param == "enable_cloud_scroll" ||
-			param == "cloud_scroll_rate" || param == "lightnorm" ) 
+		// check that our pre-hashed names are still tracking the mParamValues map correctly
+		//
+		llassert(param.String() == i->first);
+
+		if (param == sStarBrightness || param == sPresetNum || param == sSunAngle ||
+			param == sEastAngle || param == sEnableCloudScroll ||
+			param == sCloudScrollRate || param == sLightNorm ) 
 		{
 			continue;
 		}
 		
-		if (param == "cloud_pos_density1")
+		if (param == sCloudDensity)
 		{
 			LLVector4 val;
 			val.mV[0] = F32(i->second[0].asReal()) + mCloudScrollXOffset;
@@ -75,10 +94,10 @@ void LLWLParamSet::update(LLGLSLShader * shader) const
 			shader->uniform4fv(param, 1, val.mV);
 			stop_glerror();
 		}
-		else if (param == "cloud_scale" || param == "cloud_shadow" ||
-				 param == "density_multiplier" || param == "distance_multiplier" ||
-				 param == "haze_density" || param == "haze_horizon" ||
-				 param == "max_y" )
+		else if (param == sCloudScale || param == sCloudShadow ||
+				 param == sDensityMultiplier || param == sDistanceMultiplier ||
+				 param == sHazeDensity || param == sHazeHorizon ||
+				 param == sMaxY )
 		{
 			F32 val = (F32) i->second[0].asReal();
 
@@ -386,3 +405,14 @@ void LLWLParamSet::updateCloudScrolling(void)
 		mCloudScrollYOffset += F32(delta_t * (getCloudScrollY() - 10.f) / 100.f);
 	}
 }
+
+void LLWLParamSet::updateHashedNames()
+{
+	mParamHashedNames.clear();
+	// Iterate through values
+	for(LLSD::map_iterator iter = mParamValues.beginMap(); iter != mParamValues.endMap(); ++iter)
+	{
+		mParamHashedNames.push_back(LLStaticHashedString(iter->first));
+	}
+}
+
diff --git a/indra/newview/llwlparamset.h b/indra/newview/llwlparamset.h
index b087119dd5..6e5f1d3a4b 100755
--- a/indra/newview/llwlparamset.h
+++ b/indra/newview/llwlparamset.h
@@ -29,9 +29,11 @@
 
 #include <string>
 #include <map>
+#include <vector>
 
 #include "v4math.h"
 #include "v4color.h"
+#include "llstaticstringtable.h"
 
 class LLWLParamSet;
 class LLGLSLShader;
@@ -47,9 +49,12 @@ public:
 private:
 
 	LLSD mParamValues;
-	
+	std::vector<LLStaticHashedString> mParamHashedNames;
+
 	float mCloudScrollXOffset, mCloudScrollYOffset;
 
+	void updateHashedNames();
+
 public:
 
 	LLWLParamSet();
@@ -177,6 +182,8 @@ inline void LLWLParamSet::setAll(const LLSD& val)
 	if(val.isMap()) {
 		mParamValues = val;
 	}
+
+	updateHashedNames();
 }
 
 inline const LLSD& LLWLParamSet::getAll()
@@ -236,3 +243,4 @@ inline F32 LLWLParamSet::getCloudScrollY() {
 
 
 #endif // LL_WLPARAM_SET_H
+
diff --git a/indra/newview/llworldmapview.cpp b/indra/newview/llworldmapview.cpp
index 1940cf541e..ae334d4bd2 100755
--- a/indra/newview/llworldmapview.cpp
+++ b/indra/newview/llworldmapview.cpp
@@ -1792,3 +1792,5 @@ BOOL LLWorldMapView::handleDoubleClick( S32 x, S32 y, MASK mask )
 	}
 	return FALSE;
 }
+
+
diff --git a/indra/newview/pipeline.cpp b/indra/newview/pipeline.cpp
index 9afb74bb52..c59f05ef0d 100755
--- a/indra/newview/pipeline.cpp
+++ b/indra/newview/pipeline.cpp
@@ -255,6 +255,17 @@ LLFastTimer::DeclareTimer FTM_RENDER_DEFERRED("Deferred Shading");
 static LLFastTimer::DeclareTimer FTM_STATESORT_DRAWABLE("Sort Drawables");
 static LLFastTimer::DeclareTimer FTM_STATESORT_POSTSORT("Post Sort");
 
+static LLStaticHashedString sTint("tint");
+static LLStaticHashedString sAmbiance("ambiance");
+static LLStaticHashedString sAlphaScale("alpha_scale");
+static LLStaticHashedString sNormMat("norm_mat");
+static LLStaticHashedString sOffset("offset");
+static LLStaticHashedString sScreenRes("screenRes");
+static LLStaticHashedString sDelta("delta");
+static LLStaticHashedString sDistFactor("dist_factor");
+static LLStaticHashedString sKern("kern");
+static LLStaticHashedString sKernScale("kern_scale");
+
 //----------------------------------------
 std::string gPoolNames[] = 
 {
@@ -2981,7 +2992,7 @@ void LLPipeline::markVisible(LLDrawable *drawablep, LLCamera& camera)
 					llassert(vobj); // trying to catch a bad assumption
 					if (vobj) // this test may not be needed, see above
 					{
-						const LLVOAvatar* av = vobj->asAvatar();
+						LLVOAvatar* av = vobj->asAvatar();
 						if (av && av->isImpostor())
 						{
 							return;
@@ -4810,9 +4821,9 @@ void LLPipeline::renderDebug()
 					if (LLGLSLShader::sNoFixedFunction)
 					{					
 						gPathfindingProgram.bind();			
-						gPathfindingProgram.uniform1f("tint", 1.f);
-						gPathfindingProgram.uniform1f("ambiance", 1.f);
-						gPathfindingProgram.uniform1f("alpha_scale", 1.f);
+						gPathfindingProgram.uniform1f(sTint, 1.f);
+						gPathfindingProgram.uniform1f(sAmbiance, 1.f);
+						gPathfindingProgram.uniform1f(sAlphaScale, 1.f);
 					}
 
 					//Requried character physics capsule render parameters
@@ -4829,7 +4840,7 @@ void LLPipeline::renderDebug()
 							llPathingLibInstance->renderSimpleShapeCapsuleID( gGL, id, pos, rot );				
 							gGL.setColorMask(true, false);
 							LLGLEnable blend(GL_BLEND);
-							gPathfindingProgram.uniform1f("alpha_scale", 0.90f);
+							gPathfindingProgram.uniform1f(sAlphaScale, 0.90f);
 							llPathingLibInstance->renderSimpleShapeCapsuleID( gGL, id, pos, rot );
 							gPathfindingProgram.bind();
 						}
@@ -4856,9 +4867,9 @@ void LLPipeline::renderDebug()
 					{					
 						gPathfindingProgram.bind();
 			
-						gPathfindingProgram.uniform1f("tint", 1.f);
-						gPathfindingProgram.uniform1f("ambiance", ambiance);
-						gPathfindingProgram.uniform1f("alpha_scale", 1.f);
+						gPathfindingProgram.uniform1f(sTint, 1.f);
+						gPathfindingProgram.uniform1f(sAmbiance, ambiance);
+						gPathfindingProgram.uniform1f(sAlphaScale, 1.f);
 					}
 
 					if ( !pathfindingConsole->isRenderWorld() )
@@ -4882,7 +4893,7 @@ void LLPipeline::renderDebug()
 						if ( pathfindingConsole->isRenderWorld() )
 						{					
 							LLGLEnable blend(GL_BLEND);
-							gPathfindingProgram.uniform1f("alpha_scale", 0.66f);
+							gPathfindingProgram.uniform1f(sAlphaScale, 0.66f);
 							llPathingLibInstance->renderNavMesh();
 						}
 						else
@@ -4894,8 +4905,8 @@ void LLPipeline::renderDebug()
 						if (LLGLSLShader::sNoFixedFunction)
 						{
 							gPathfindingNoNormalsProgram.bind();
-							gPathfindingNoNormalsProgram.uniform1f("tint", 1.f);
-							gPathfindingNoNormalsProgram.uniform1f("alpha_scale", 1.f);
+							gPathfindingNoNormalsProgram.uniform1f(sTint, 1.f);
+							gPathfindingNoNormalsProgram.uniform1f(sAlphaScale, 1.f);
 							llPathingLibInstance->renderNavMeshEdges();
 							gPathfindingProgram.bind();
 						}
@@ -4935,7 +4946,7 @@ void LLPipeline::renderDebug()
 							gGL.setColorMask(true, false);
 							//render the bookends
 							LLGLEnable blend(GL_BLEND);
-							gPathfindingProgram.uniform1f("alpha_scale", 0.90f);
+							gPathfindingProgram.uniform1f(sAlphaScale, 0.90f);
 							llPathingLibInstance->renderPathBookend( gGL, LLPathingLib::LLPL_START );
 							llPathingLibInstance->renderPathBookend( gGL, LLPathingLib::LLPL_END );
 							gPathfindingProgram.bind();
@@ -4953,7 +4964,7 @@ void LLPipeline::renderDebug()
 						if (LLGLSLShader::sNoFixedFunction)
 						{
 							LLGLEnable blend(GL_BLEND);
-							gPathfindingProgram.uniform1f("alpha_scale", 0.90f);
+							gPathfindingProgram.uniform1f(sAlphaScale, 0.90f);
 							llPathingLibInstance->renderSimpleShapes( gGL, gAgent.getRegion()->getWaterHeight() );
 						}
 						else
@@ -5001,7 +5012,7 @@ void LLPipeline::renderDebug()
 							LLGLEnable blend(GL_BLEND);
 				
 							{
-								gPathfindingProgram.uniform1f("ambiance", ambiance);
+								gPathfindingProgram.uniform1f(sAmbiance, ambiance);
 
 								{ //draw solid overlay
 									LLGLDepthTest depth(GL_TRUE, GL_FALSE, GL_LEQUAL);
@@ -5016,8 +5027,8 @@ void LLPipeline::renderDebug()
 
 								if (pathfindingConsole->isRenderXRay())
 								{
-									gPathfindingProgram.uniform1f("tint", gSavedSettings.getF32("PathfindingXRayTint"));
-									gPathfindingProgram.uniform1f("alpha_scale", gSavedSettings.getF32("PathfindingXRayOpacity"));
+									gPathfindingProgram.uniform1f(sTint, gSavedSettings.getF32("PathfindingXRayTint"));
+									gPathfindingProgram.uniform1f(sAlphaScale, gSavedSettings.getF32("PathfindingXRayOpacity"));
 									LLGLEnable blend(GL_BLEND);
 									LLGLDepthTest depth(GL_TRUE, GL_FALSE, GL_GREATER);
 								
@@ -5025,13 +5036,13 @@ void LLPipeline::renderDebug()
 								
 									if (gSavedSettings.getBOOL("PathfindingXRayWireframe"))
 									{ //draw hidden wireframe as darker and less opaque
-										gPathfindingProgram.uniform1f("ambiance", 1.f);
+										gPathfindingProgram.uniform1f(sAmbiance, 1.f);
 										llPathingLibInstance->renderNavMeshShapesVBO( render_order[i] );				
 									}
 									else
 									{
 										glPolygonMode( GL_FRONT_AND_BACK, GL_FILL );	
-										gPathfindingProgram.uniform1f("ambiance", ambiance);
+										gPathfindingProgram.uniform1f(sAmbiance, ambiance);
 										llPathingLibInstance->renderNavMeshShapesVBO( render_order[i] );				
 										glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
 									}
@@ -5039,9 +5050,9 @@ void LLPipeline::renderDebug()
 
 								{ //draw visible wireframe as brighter, thicker and more opaque
 									glPolygonOffset(offset, offset);
-									gPathfindingProgram.uniform1f("ambiance", 1.f);
-									gPathfindingProgram.uniform1f("tint", 1.f);
-									gPathfindingProgram.uniform1f("alpha_scale", 1.f);
+									gPathfindingProgram.uniform1f(sAmbiance, 1.f);
+									gPathfindingProgram.uniform1f(sTint, 1.f);
+									gPathfindingProgram.uniform1f(sAlphaScale, 1.f);
 
 									glLineWidth(gSavedSettings.getF32("PathfindingLineWidth"));
 									LLGLDisable blendOut(GL_BLEND);
@@ -5073,19 +5084,19 @@ void LLPipeline::renderDebug()
 						glLineWidth(2.0f);	
 						LLGLEnable cull(GL_CULL_FACE);
 																		
-						gPathfindingProgram.uniform1f("tint", gSavedSettings.getF32("PathfindingXRayTint"));
-						gPathfindingProgram.uniform1f("alpha_scale", gSavedSettings.getF32("PathfindingXRayOpacity"));
+						gPathfindingProgram.uniform1f(sTint, gSavedSettings.getF32("PathfindingXRayTint"));
+						gPathfindingProgram.uniform1f(sAlphaScale, gSavedSettings.getF32("PathfindingXRayOpacity"));
 								
 						if (gSavedSettings.getBOOL("PathfindingXRayWireframe"))
 						{ //draw hidden wireframe as darker and less opaque
 							glPolygonMode( GL_FRONT_AND_BACK, GL_LINE );	
-							gPathfindingProgram.uniform1f("ambiance", 1.f);
+							gPathfindingProgram.uniform1f(sAmbiance, 1.f);
 							llPathingLibInstance->renderNavMesh();
 							glPolygonMode( GL_FRONT_AND_BACK, GL_FILL );	
 						}	
 						else
 						{
-							gPathfindingProgram.uniform1f("ambiance", ambiance);
+							gPathfindingProgram.uniform1f(sAmbiance, ambiance);
 							llPathingLibInstance->renderNavMesh();
 						}
 
@@ -5093,8 +5104,8 @@ void LLPipeline::renderDebug()
 						if (LLGLSLShader::sNoFixedFunction)
 						{
 							gPathfindingNoNormalsProgram.bind();
-							gPathfindingNoNormalsProgram.uniform1f("tint", gSavedSettings.getF32("PathfindingXRayTint"));
-							gPathfindingNoNormalsProgram.uniform1f("alpha_scale", gSavedSettings.getF32("PathfindingXRayOpacity"));
+							gPathfindingNoNormalsProgram.uniform1f(sTint, gSavedSettings.getF32("PathfindingXRayTint"));
+							gPathfindingNoNormalsProgram.uniform1f(sAlphaScale, gSavedSettings.getF32("PathfindingXRayOpacity"));
 							llPathingLibInstance->renderNavMeshEdges();
 							gPathfindingProgram.bind();
 						}
@@ -7571,7 +7582,11 @@ void LLPipeline::renderBloom(BOOL for_snapshot, F32 zoom_factor, int subfield)
 				else
 				{
 					//focus on alt-zoom target
-					focus_point = LLVector3(gAgentCamera.getFocusGlobal()-gAgent.getRegion()->getOriginGlobal());
+					LLViewerRegion* region = gAgent.getRegion();
+					if (region)
+					{
+						focus_point = LLVector3(gAgentCamera.getFocusGlobal()-region->getOriginGlobal());
+					}
 				}
 			}
 
@@ -8192,13 +8207,6 @@ void LLPipeline::bindDeferredShader(LLGLSLShader& shader, U32 light_index, U32 n
 	shader.uniform2f(LLShaderMgr::DEFERRED_PROJ_SHADOW_RES, mShadow[4].getWidth(), mShadow[4].getHeight());
 	shader.uniform1f(LLShaderMgr::DEFERRED_DEPTH_CUTOFF, RenderEdgeDepthCutoff);
 	shader.uniform1f(LLShaderMgr::DEFERRED_NORM_CUTOFF, RenderEdgeNormCutoff);
-	
-
-	if (shader.getUniformLocation("norm_mat") >= 0)
-	{
-		glh::matrix4f norm_mat = glh_get_current_modelview().inverse().transpose();
-		shader.uniformMatrix4fv("norm_mat", 1, FALSE, norm_mat.m);
-	}
 }
 
 LLColor3 pow3f(LLColor3 v, F32 f)
@@ -8323,9 +8331,8 @@ void LLPipeline::renderDeferredLighting()
 					}
 				}
 
-				gDeferredSunProgram.uniform3fv("offset", slice, offset);
-				gDeferredSunProgram.uniform2f("screenRes", mDeferredLight.getWidth(), mDeferredLight.getHeight());
-				
+				gDeferredSunProgram.uniform3fv(sOffset, slice, offset);
+								
 				{
 					LLGLDisable blend(GL_BLEND);
 					LLGLDepthTest depth(GL_TRUE, GL_FALSE, GL_ALWAYS);
@@ -8368,10 +8375,10 @@ void LLPipeline::renderDeferredLighting()
 				x += 1.f;
 			}
 
-			gDeferredBlurLightProgram.uniform2f("delta", 1.f, 0.f);
-			gDeferredBlurLightProgram.uniform1f("dist_factor", dist_factor);
-			gDeferredBlurLightProgram.uniform3fv("kern", kern_length, gauss[0].mV);
-			gDeferredBlurLightProgram.uniform1f("kern_scale", blur_size * (kern_length/2.f - 0.5f));
+			gDeferredBlurLightProgram.uniform2f(sDelta, 1.f, 0.f);
+			gDeferredBlurLightProgram.uniform1f(sDistFactor, dist_factor);
+			gDeferredBlurLightProgram.uniform3fv(sKern, kern_length, gauss[0].mV);
+			gDeferredBlurLightProgram.uniform1f(sKernScale, blur_size * (kern_length/2.f - 0.5f));
 		
 			{
 				LLGLDisable blend(GL_BLEND);
@@ -8388,7 +8395,7 @@ void LLPipeline::renderDeferredLighting()
 			mDeferredVB->setBuffer(LLVertexBuffer::MAP_VERTEX);
 			mDeferredLight.bindTarget();
 
-			gDeferredBlurLightProgram.uniform2f("delta", 0.f, 1.f);
+			gDeferredBlurLightProgram.uniform2f(sDelta, 0.f, 1.f);
 
 			{
 				LLGLDisable blend(GL_BLEND);
@@ -10559,11 +10566,11 @@ void LLPipeline::generateImpostor(LLVOAvatar* avatar)
 
 	assertInitialized();
 
-	bool muted = avatar->isVisuallyMuted();		
+	bool visually_muted = avatar->isVisuallyMuted();		
 
 	pushRenderTypeMask();
 	
-	if (muted)
+	if (visually_muted)
 	{
 		andRenderTypeMask(LLPipeline::RENDER_TYPE_AVATAR, END_RENDER_TYPES);
 	}
@@ -10707,6 +10714,13 @@ void LLPipeline::generateImpostor(LLVOAvatar* avatar)
 		avatar->mImpostor.bindTarget();
 	}
 
+	F32 old_alpha = LLDrawPoolAvatar::sMinimumAlpha;
+
+	if (visually_muted)
+	{ //disable alpha masking for muted avatars (get whole skin silhouette)
+		LLDrawPoolAvatar::sMinimumAlpha = 0.f;
+	}
+
 	if (LLPipeline::sRenderDeferred)
 	{
 		avatar->mImpostor.clear();
@@ -10721,6 +10735,8 @@ void LLPipeline::generateImpostor(LLVOAvatar* avatar)
 		renderGeom(camera);
 	}
 	
+	LLDrawPoolAvatar::sMinimumAlpha = old_alpha;
+		
 	{ //create alpha mask based on depth buffer (grey out if muted)
 		LLFastTimer t(FTM_IMPOSTOR_BACKGROUND);
 		if (LLPipeline::sRenderDeferred)
@@ -10731,9 +10747,10 @@ void LLPipeline::generateImpostor(LLVOAvatar* avatar)
 
 		LLGLDisable blend(GL_BLEND);
 
-		if (muted)
+		if (visually_muted)
 		{
 			gGL.setColorMask(true, true);
+
 		}
 		else
 		{
@@ -10752,14 +10769,24 @@ void LLPipeline::generateImpostor(LLVOAvatar* avatar)
 		gGL.pushMatrix();
 		gGL.loadIdentity();
 
-		static const F32 clip_plane = 0.99999f;
+		static const F32 clip_plane = 0.999f;
 
 		if (LLGLSLShader::sNoFixedFunction)
 		{
-			gUIProgram.bind();
+			gDebugProgram.bind();
 		}
 
-		gGL.color4ub(64,64,64,255);
+
+		if (LLMuteList::getInstance()->isMuted(avatar->getID()))
+		{ //grey muted avatar
+			gGL.diffuseColor4ub(64,64,64,255);
+		}
+		else
+		{	// Visually muted avatar
+			gGL.diffuseColor4fv( avatar->getMutedAVColor().mV );
+		}
+
+		{
 		gGL.begin(LLRender::QUADS);
 		gGL.vertex3f(-1, -1, clip_plane);
 		gGL.vertex3f(1, -1, clip_plane);
@@ -10767,10 +10794,11 @@ void LLPipeline::generateImpostor(LLVOAvatar* avatar)
 		gGL.vertex3f(-1, 1, clip_plane);
 		gGL.end();
 		gGL.flush();
+		}
 
 		if (LLGLSLShader::sNoFixedFunction)
 		{
-			gUIProgram.unbind();
+			gDebugProgram.unbind();
 		}
 
 		gGL.popMatrix();
diff --git a/indra/newview/skins/default/textures/icons/Conv_toolbar_add_person.png b/indra/newview/skins/default/textures/icons/Conv_toolbar_add_person.png
index 0631f16f3b..0631f16f3b 100755..100644
--- a/indra/newview/skins/default/textures/icons/Conv_toolbar_add_person.png
+++ b/indra/newview/skins/default/textures/icons/Conv_toolbar_add_person.png
diff --git a/indra/newview/skins/default/textures/icons/Conv_toolbar_arrow_ne.png b/indra/newview/skins/default/textures/icons/Conv_toolbar_arrow_ne.png
index 578482f5ed..578482f5ed 100755..100644
--- a/indra/newview/skins/default/textures/icons/Conv_toolbar_arrow_ne.png
+++ b/indra/newview/skins/default/textures/icons/Conv_toolbar_arrow_ne.png
diff --git a/indra/newview/skins/default/textures/icons/Conv_toolbar_arrow_sw.png b/indra/newview/skins/default/textures/icons/Conv_toolbar_arrow_sw.png
index 7676131790..7676131790 100755..100644
--- a/indra/newview/skins/default/textures/icons/Conv_toolbar_arrow_sw.png
+++ b/indra/newview/skins/default/textures/icons/Conv_toolbar_arrow_sw.png
diff --git a/indra/newview/skins/default/textures/icons/Conv_toolbar_call_log.png b/indra/newview/skins/default/textures/icons/Conv_toolbar_call_log.png
index 2880eb766a..2880eb766a 100755..100644
--- a/indra/newview/skins/default/textures/icons/Conv_toolbar_call_log.png
+++ b/indra/newview/skins/default/textures/icons/Conv_toolbar_call_log.png
diff --git a/indra/newview/skins/default/textures/icons/Conv_toolbar_close.png b/indra/newview/skins/default/textures/icons/Conv_toolbar_close.png
index d009c8f446..d009c8f446 100755..100644
--- a/indra/newview/skins/default/textures/icons/Conv_toolbar_close.png
+++ b/indra/newview/skins/default/textures/icons/Conv_toolbar_close.png
diff --git a/indra/newview/skins/default/textures/icons/Conv_toolbar_collapse.png b/indra/newview/skins/default/textures/icons/Conv_toolbar_collapse.png
index 8d82960e28..8d82960e28 100755..100644
--- a/indra/newview/skins/default/textures/icons/Conv_toolbar_collapse.png
+++ b/indra/newview/skins/default/textures/icons/Conv_toolbar_collapse.png
diff --git a/indra/newview/skins/default/textures/icons/Conv_toolbar_expand.png b/indra/newview/skins/default/textures/icons/Conv_toolbar_expand.png
index f718d3fc60..f718d3fc60 100755..100644
--- a/indra/newview/skins/default/textures/icons/Conv_toolbar_expand.png
+++ b/indra/newview/skins/default/textures/icons/Conv_toolbar_expand.png
diff --git a/indra/newview/skins/default/textures/icons/Conv_toolbar_hang_up.png b/indra/newview/skins/default/textures/icons/Conv_toolbar_hang_up.png
index 315e2c581a..315e2c581a 100755..100644
--- a/indra/newview/skins/default/textures/icons/Conv_toolbar_hang_up.png
+++ b/indra/newview/skins/default/textures/icons/Conv_toolbar_hang_up.png
diff --git a/indra/newview/skins/default/textures/icons/Conv_toolbar_open_call.png b/indra/newview/skins/default/textures/icons/Conv_toolbar_open_call.png
index 732ab02a20..732ab02a20 100755..100644
--- a/indra/newview/skins/default/textures/icons/Conv_toolbar_open_call.png
+++ b/indra/newview/skins/default/textures/icons/Conv_toolbar_open_call.png
diff --git a/indra/newview/skins/default/textures/icons/Conv_toolbar_plus.png b/indra/newview/skins/default/textures/icons/Conv_toolbar_plus.png
index 25a32cb2ba..25a32cb2ba 100755..100644
--- a/indra/newview/skins/default/textures/icons/Conv_toolbar_plus.png
+++ b/indra/newview/skins/default/textures/icons/Conv_toolbar_plus.png
diff --git a/indra/newview/skins/default/textures/icons/Conv_toolbar_sort.png b/indra/newview/skins/default/textures/icons/Conv_toolbar_sort.png
index 08debeb91f..08debeb91f 100755..100644
--- a/indra/newview/skins/default/textures/icons/Conv_toolbar_sort.png
+++ b/indra/newview/skins/default/textures/icons/Conv_toolbar_sort.png
diff --git a/indra/newview/skins/default/xui/en/menu_attachment_other.xml b/indra/newview/skins/default/xui/en/menu_attachment_other.xml
index a8012656c2..a73ea0cc05 100755
--- a/indra/newview/skins/default/xui/en/menu_attachment_other.xml
+++ b/indra/newview/skins/default/xui/en/menu_attachment_other.xml
@@ -112,8 +112,43 @@
          <menu_item_call.on_enable
           function="Object.EnableInspect" />
    </menu_item_call>
+
+   <menu_item_separator />
+    
+      <menu_item_check
+        name="Normal"
+        label="Normal">
+        <menu_item_check.on_check
+          function="Avatar.CheckImposterMode"
+          parameter="0" />
+	    <menu_item_check.on_click
+	      function="Avatar.SetImposterMode"
+	      parameter="0" />
+      </menu_item_check>
+      <menu_item_check
+        name="Always use imposter"
+        label="Always use imposter">
+        <menu_item_check.on_check
+          function="Avatar.CheckImposterMode"
+          parameter="1" />
+	    <menu_item_check.on_click
+	      function="Avatar.SetImposterMode"
+	      parameter="1" />
+      </menu_item_check>
+      <menu_item_check
+        name="Never use imposter"
+        label="Never use imposter">
+        <menu_item_check.on_check
+          function="Avatar.CheckImposterMode"
+          parameter="2" />
+	    <menu_item_check.on_click
+	      function="Avatar.SetImposterMode"
+	      parameter="2" />
+      </menu_item_check>
+
   <menu_item_separator
        layout="topleft" />
+
   <menu_item_call
      enabled="false"
      label="Mute Particle Owner"
diff --git a/indra/newview/skins/default/xui/en/menu_avatar_other.xml b/indra/newview/skins/default/xui/en/menu_avatar_other.xml
index bca9ba5a56..2ef18dbf90 100755
--- a/indra/newview/skins/default/xui/en/menu_avatar_other.xml
+++ b/indra/newview/skins/default/xui/en/menu_avatar_other.xml
@@ -39,8 +39,10 @@
       <menu_item_call.on_click
          function="Avatar.InviteToGroup" />
       </menu_item_call>
+    
    <menu_item_separator />
-    <menu_item_call
+   
+     <menu_item_call
      enabled="false"
      label="Block"
      name="Avatar Mute">
@@ -103,8 +105,43 @@
         <menu_item_call.on_enable
          function="EnablePayAvatar" />
     </menu_item_call>
+
+   <menu_item_separator />
+    
+      <menu_item_check
+        name="Normal"
+        label="Normal">
+        <menu_item_check.on_check
+          function="Avatar.CheckImposterMode"
+          parameter="0" />
+	    <menu_item_check.on_click
+	      function="Avatar.SetImposterMode"
+	      parameter="0" />
+      </menu_item_check>
+      <menu_item_check
+        name="Always use imposter"
+        label="Always use imposter">
+        <menu_item_check.on_check
+          function="Avatar.CheckImposterMode"
+          parameter="1" />
+	    <menu_item_check.on_click
+	      function="Avatar.SetImposterMode"
+	      parameter="1" />
+      </menu_item_check>
+      <menu_item_check
+        name="Never use imposter"
+        label="Never use imposter">
+        <menu_item_check.on_check
+          function="Avatar.CheckImposterMode"
+          parameter="2" />
+	    <menu_item_check.on_click
+	      function="Avatar.SetImposterMode"
+	      parameter="2" />
+      </menu_item_check>
+
   <menu_item_separator
        layout="topleft" />
+
   <menu_item_call
      enabled="false"
      label="Mute Particle Owner"
diff --git a/indra/newview/skins/default/xui/en/menu_viewer.xml b/indra/newview/skins/default/xui/en/menu_viewer.xml
index b01c3067ff..39fd519c70 100755
--- a/indra/newview/skins/default/xui/en/menu_viewer.xml
+++ b/indra/newview/skins/default/xui/en/menu_viewer.xml
@@ -2197,6 +2197,16 @@
                  function="ToggleControl"
                  parameter="DebugShowRenderInfo" />
             </menu_item_check>
+            <menu_item_check
+             label="Show Avatar Render Info"
+             name="Show Avatar Render Info">
+                <menu_item_check.on_check
+                 function="CheckControl"
+                 parameter="DebugShowAvatarRenderInfo" />
+                <menu_item_check.on_click
+                 function="ToggleControl"
+                 parameter="DebugShowAvatarRenderInfo" />
+            </menu_item_check>
 			  <menu_item_check
              label="Show Texture Info"
              name="Show Texture Info">
diff --git a/indra/newview/skins/default/xui/en/notifications.xml b/indra/newview/skins/default/xui/en/notifications.xml
index 2e0e8bf885..dc54e5e924 100755
--- a/indra/newview/skins/default/xui/en/notifications.xml
+++ b/indra/newview/skins/default/xui/en/notifications.xml
@@ -10073,7 +10073,7 @@ An internal error prevented us from properly updating your viewer.  The L$ balan
    <tag>fail</tag>
 Cannot create large prims that intersect other players.  Please re-try when other players have moved.
   </notification>
-
+  
   <notification
    icon="alertmodal.tga"
    name="PreferenceChatClearLog"
diff --git a/indra/newview/skins/default/xui/en/panel_preferences_graphics1.xml b/indra/newview/skins/default/xui/en/panel_preferences_graphics1.xml
index 3c4d288037..3c9508bb74 100755
--- a/indra/newview/skins/default/xui/en/panel_preferences_graphics1.xml
+++ b/indra/newview/skins/default/xui/en/panel_preferences_graphics1.xml
@@ -177,10 +177,86 @@
      width="80">
         Ultra
     </text>
+  <slider
+   control_name="RenderAvatarLODFactor"
+   invisiblity_control="ShowAdvancedGraphicsSettings"
+   follows="left|top"
+   height="16"
+   increment="0.125"
+   initial_value="160"
+   label="Avatar detail:"
+   label_width="90"
+   layout="topleft"
+   left="30"
+   name="AvatarMeshDetail2"
+   show_text="false"
+   top="72"
+   width="300">
+    <slider.commit_callback
+     function="Pref.UpdateSliderText"
+     parameter="AvatarMeshDetailText2" />
+  </slider>
+  <text
+   type="string"
+   invisiblity_control="ShowAdvancedGraphicsSettings"
+   length="1"
+   follows="left|top"
+   height="12"
+   layout="topleft"
+   name="AvatarMeshDetailText2"
+   top_delta="0"
+   left_delta="304"
+   width="128">
+    Low
+  </text>
+  <slider
+   control_name="RenderFarClip"
+   invisiblity_control="ShowAdvancedGraphicsSettings"
+   decimal_digits="0"
+   follows="left|top"
+   height="16"
+   increment="8"
+   initial_value="160"
+   label="Draw distance:"
+   label_width="90"
+   layout="topleft"
+   left="30"
+   max_val="512"
+   min_val="64"
+   name="DrawDistance"
+   top="110"
+   width="330" />
+  <text
+   type="string"
+   invisiblity_control="ShowAdvancedGraphicsSettings"
+   length="1"
+   follows="left|top"
+   height="12"
+   layout="topleft"
+   left_delta="330"
+   name="DrawDistanceMeterText2"
+   top_delta="0"
+   width="128">
+    m
+  </text>
+  <check_box
+		 control_name="RenderDeferred"
+     invisiblity_control="ShowAdvancedGraphicsSettings"
+		 height="16"
+		 initial_value="true"
+		 label="Lighting and Shadows"
+		 layout="topleft"
+		 left="30"
+		 name="UseLightShaders2"
+		 top="148"
+		 width="256">
+    <check_box.commit_callback
+      function="Pref.VertexShaderEnable" />
+  </check_box>
     <panel
-	 visiblity_control="ShowAdvancedGraphicsSettings"
+	   visiblity_control="ShowAdvancedGraphicsSettings"
      border="false"
-	 follows="top|left"
+	   follows="top|left"
      height="300"
      label="CustomGraphics"
      layout="topleft"
@@ -224,13 +300,13 @@
         function="Pref.VertexShaderEnable" />
       </check_box>
     <check_box
-		control_name="RenderLocalLights"
-		height="16"
-		initial_value="true"
-		label="Local Lights"
-		layout="topleft"
-		left_delta="0"
-		name="LocalLights"
+		 control_name="RenderLocalLights"
+		 height="16"
+		 initial_value="true"
+		 label="Local Lights"
+		 layout="topleft"
+		 left_delta="0"
+		 name="LocalLights"
 		 top_pad="1"
 		 width="256" />
 		  <check_box
diff --git a/indra/newview/skins/default/xui/en/strings.xml b/indra/newview/skins/default/xui/en/strings.xml
index d964ccaf79..ef01f27da2 100755
--- a/indra/newview/skins/default/xui/en/strings.xml
+++ b/indra/newview/skins/default/xui/en/strings.xml
@@ -409,10 +409,13 @@ Please try logging in again in a minute.</string>
 	<string name="AddAndRemoveJoints">Add and remove joints with other objects</string>
 	<string name="ChangePermissions">Change its permissions</string>
 	<string name="TrackYourCamera">Track your camera</string>
-  <string name="ControlYourCamera">Control your camera</string>
+	<string name="ControlYourCamera">Control your camera</string>
+	<string name="TeleportYourAgent">Teleport you</string>
+	<string name="ManageEstateSilently">Manage your estates silently</string>
+	<string name="ChangeYourDefaultAnimations">Change your default animations</string>
+	
 	<string name="NotConnected">Not Connected</string>
 	<string name="AgentNameSubst">(You)</string> <!-- Substitution for agent name -->
-  <string name="TeleportYourAgent">Teleport you</string>
 	<string name="JoinAnExperience">Join an experience</string> <!-- not used -->
 	<string name="SilentlyManageEstateAccess">Suppress alerts when managing estate access lists</string>
 	<string name="OverrideYourAnimations">Replace your default animations</string>
diff --git a/indra/newview/skins/default/xui/en/widgets/conversation_view_participant.xml b/indra/newview/skins/default/xui/en/widgets/conversation_view_participant.xml
index b83d9122f7..b83d9122f7 100755..100644
--- a/indra/newview/skins/default/xui/en/widgets/conversation_view_participant.xml
+++ b/indra/newview/skins/default/xui/en/widgets/conversation_view_participant.xml
diff --git a/indra/newview/tests/llagentaccess_test.cpp b/indra/newview/tests/llagentaccess_test.cpp
index 3ba25f3c10..05289f0309 100755
--- a/indra/newview/tests/llagentaccess_test.cpp
+++ b/indra/newview/tests/llagentaccess_test.cpp
@@ -40,7 +40,7 @@
 static U32 test_preferred_maturity = SIM_ACCESS_PG;
 
 LLControlGroup::LLControlGroup(const std::string& name)
-	: LLInstanceTracker<LLControlGroup, std::string>(name)
+:	LLInstanceTracker<LLControlGroup, std::string>(name)
 {
 }
 
diff --git a/indra/test/llstreamtools_tut.cpp b/indra/test/llstreamtools_tut.cpp
index 0f6436f0f4..354c3dfe10 100755
--- a/indra/test/llstreamtools_tut.cpp
+++ b/indra/test/llstreamtools_tut.cpp
@@ -385,7 +385,6 @@ namespace tut
 		std::string expected_result;
 		std::string actual_result;
 		std::istringstream is;
-
 		is.clear();
 		is.str(str = "  First Second \t \r  \n Third  Fourth-ShouldThisBePartOfFourth  Fifth\n");
 		actual_result = "";
diff --git a/indra/test/lltemplatemessagebuilder_tut.cpp b/indra/test/lltemplatemessagebuilder_tut.cpp
index 6c0b70edd2..dde70f98c8 100755
--- a/indra/test/lltemplatemessagebuilder_tut.cpp
+++ b/indra/test/lltemplatemessagebuilder_tut.cpp
@@ -958,6 +958,7 @@ namespace tut
 		reader->validateMessage(buffer, builtSize, LLHost());
 		reader->readMessage(buffer, LLHost());
 		reader->getU32(_PREHASH_Test0, _PREHASH_Test0, outValue);
+		(void)outValue;
 		char outBuffer[bufferSize];
 		memset(buffer, 0xcc, bufferSize);
 		reader->getString(_PREHASH_Test1, _PREHASH_Test0, bufferSize,