Merging last four months of development

44 files changed, 3417 insertions, 137 deletions

diff --git a/indra/llrender/CMakeLists.txt b/indra/llrender/CMakeLists.txt
index 516af93316..dba12d048e 100644..100755
--- a/indra/llrender/CMakeLists.txt
+++ b/indra/llrender/CMakeLists.txt
@@ -3,7 +3,7 @@
 project(llrender)
 
 include(00-Common)
-include(FindOpenGL)
+include(OpenGL)
 include(FreeType)
 include(LLCommon)
 include(LLImage)
@@ -25,21 +25,31 @@ include_directories(
     ${LLXML_INCLUDE_DIRS}
     ${LLVFS_INCLUDE_DIRS}
     )
+include_directories(SYSTEM
+    ${LLCOMMON_SYSTEM_INCLUDE_DIRS}
+    ${LLXML_SYSTEM_INCLUDE_DIRS}
+    )
 
 set(llrender_SOURCE_FILES
     llcubemap.cpp
+    llfontbitmapcache.cpp
     llfontfreetype.cpp
     llfontgl.cpp
-    llfontbitmapcache.cpp
     llfontregistry.cpp
+    llgl.cpp
     llgldbg.cpp
     llglslshader.cpp
+    llgltexture.cpp
     llimagegl.cpp
     llpostprocess.cpp
+    llrender.cpp
+    llrender2dutils.cpp
     llrendernavprim.cpp
     llrendersphere.cpp
+    llrendertarget.cpp
     llshadermgr.cpp
     lltexture.cpp
+    lluiimage.cpp
     llvertexbuffer.cpp
     )
     
@@ -56,14 +66,17 @@ set(llrender_HEADER_FILES
     llglheaders.h
     llglslshader.h
     llglstates.h
+    llgltexture.h
     llgltypes.h
     llimagegl.h
     llpostprocess.h
     llrender.h
+    llrender2dutils.h
     llrendernavprim.h
     llrendersphere.h
     llshadermgr.h
     lltexture.h
+    lluiimage.h
     llvertexbuffer.h
     )
 
@@ -72,33 +85,47 @@ set_source_files_properties(${llrender_HEADER_FILES}
 
 list(APPEND llrender_SOURCE_FILES ${llrender_HEADER_FILES})
 
-if (SERVER AND NOT WINDOWS AND NOT DARWIN)
-  copy_server_sources(
-      llgl
-      llrender
-      )
-
-
-  set_source_files_properties(
-    ${server_SOURCE_FILES}
-    PROPERTIES
-    COMPILE_FLAGS "-DLL_MESA=1 -DLL_MESA_HEADLESS=1"
-    )
+if (BUILD_HEADLESS)
   add_library (llrenderheadless
     ${llrender_SOURCE_FILES}
-    ${server_SOURCE_FILES}
     )
-else (SERVER AND NOT WINDOWS AND NOT DARWIN)
-  list(APPEND llrender_SOURCE_FILES
-      llgl.cpp
-      llrender.cpp
-      llrendertarget.cpp
+
+  set_property(TARGET llrenderheadless
+    PROPERTY COMPILE_DEFINITIONS LL_MESA=1 LL_MESA_HEADLESS=1
       )
-endif (SERVER AND NOT WINDOWS AND NOT DARWIN)
+
+  target_link_libraries(llrenderheadless
+    ${LLCOMMON_LIBRARIES}
+    ${LLIMAGE_LIBRARIES}
+    ${LLMATH_LIBRARIES}
+    ${LLRENDER_HEADLESS_LIBRARIES}
+    ${LLVFS_LIBRARIES}
+    ${LLXML_LIBRARIES}
+    ${LLVFS_LIBRARIES}
+    ${LLWINDOW_HEADLESS_LIBRARIES}
+    ${OPENGL_HEADLESS_LIBRARIES})
+
+endif (BUILD_HEADLESS)
+
 add_library (llrender ${llrender_SOURCE_FILES})
+
+if (SDL_FOUND)
+  set_property(TARGET llrender
+    PROPERTY COMPILE_DEFINITIONS LL_SDL=1
+    )
+endif (SDL_FOUND)
+
 # Libraries on which this library depends, needed for Linux builds
 # Sort by high-level to low-level
 target_link_libraries(llrender 
-    llimage 
+    ${LLCOMMON_LIBRARIES}
+    ${LLIMAGE_LIBRARIES}
+    ${LLMATH_LIBRARIES}
+    ${LLRENDER_LIBRARIES}
+    ${LLVFS_LIBRARIES}
+    ${LLXML_LIBRARIES}
+    ${LLVFS_LIBRARIES}
+    ${LLWINDOW_LIBRARIES}
     ${FREETYPE_LIBRARIES}
     ${OPENGL_LIBRARIES})
+
diff --git a/indra/llrender/llcubemap.cpp b/indra/llrender/llcubemap.cpp
index 362452d837..362452d837 100644..100755
--- a/indra/llrender/llcubemap.cpp
+++ b/indra/llrender/llcubemap.cpp
diff --git a/indra/llrender/llcubemap.h b/indra/llrender/llcubemap.h
index ee2c41e026..ee2c41e026 100644..100755
--- a/indra/llrender/llcubemap.h
+++ b/indra/llrender/llcubemap.h
diff --git a/indra/llrender/llfontbitmapcache.cpp b/indra/llrender/llfontbitmapcache.cpp
index c985f6b959..c985f6b959 100644..100755
--- a/indra/llrender/llfontbitmapcache.cpp
+++ b/indra/llrender/llfontbitmapcache.cpp
diff --git a/indra/llrender/llfontbitmapcache.h b/indra/llrender/llfontbitmapcache.h
index c93b0c7320..c93b0c7320 100644..100755
--- a/indra/llrender/llfontbitmapcache.h
+++ b/indra/llrender/llfontbitmapcache.h
diff --git a/indra/llrender/llfontfreetype.cpp b/indra/llrender/llfontfreetype.cpp
index 66d4ad2d87..058bef43a5 100644..100755
--- a/indra/llrender/llfontfreetype.cpp
+++ b/indra/llrender/llfontfreetype.cpp
@@ -485,14 +485,11 @@ void LLFontFreetype::renderGlyph(U32 glyph_index) const
 	if (mFTFace == NULL)
 		return;
 
-	int error = FT_Load_Glyph(mFTFace, glyph_index, FT_LOAD_FORCE_AUTOHINT );
-	llassert(!error);
+	llassert_always(! FT_Load_Glyph(mFTFace, glyph_index, FT_LOAD_FORCE_AUTOHINT) );
 
-	error = FT_Render_Glyph(mFTFace->glyph, gFontRenderMode);
+	llassert_always(! FT_Render_Glyph(mFTFace->glyph, gFontRenderMode) );
 
 	mRenderGlyphCount++;
-	
-	llassert(!error);
 }
 
 void LLFontFreetype::reset(F32 vert_dpi, F32 horz_dpi)
diff --git a/indra/llrender/llfontfreetype.h b/indra/llrender/llfontfreetype.h
index f1b23f22d5..f1b23f22d5 100644..100755
--- a/indra/llrender/llfontfreetype.h
+++ b/indra/llrender/llfontfreetype.h
diff --git a/indra/llrender/llfontgl.cpp b/indra/llrender/llfontgl.cpp
index 647512eb2e..c4f36cabd0 100644..100755
--- a/indra/llrender/llfontgl.cpp
+++ b/indra/llrender/llfontgl.cpp
@@ -541,7 +541,6 @@ S32 LLFontGL::maxDrawableChars(const llwchar* wchars, F32 max_pixels, S32 max_ch
 	
 	BOOL clip = FALSE;
 	F32 cur_x = 0;
-	F32 drawn_x = 0;
 
 	S32 start_of_last_word = 0;
 	BOOL in_word = FALSE;
@@ -599,6 +598,11 @@ S32 LLFontGL::maxDrawableChars(const llwchar* wchars, F32 max_pixels, S32 max_ch
 		if(!fgi)
 		{
 			fgi = mFontFreetype->getGlyphInfo(wch);
+
+			if (NULL == fgi)
+			{
+				return 0;
+			}
 		}
 
 		// account for glyphs that run beyond the starting point for the next glyphs
@@ -624,7 +628,6 @@ S32 LLFontGL::maxDrawableChars(const llwchar* wchars, F32 max_pixels, S32 max_ch
 
 		// Round after kerning.
 		cur_x = (F32)llround(cur_x);
-		drawn_x = cur_x;
 	}
 
 	if( clip )
diff --git a/indra/llrender/llfontgl.h b/indra/llrender/llfontgl.h
index 0988e99deb..0988e99deb 100644..100755
--- a/indra/llrender/llfontgl.h
+++ b/indra/llrender/llfontgl.h
diff --git a/indra/llrender/llfontregistry.cpp b/indra/llrender/llfontregistry.cpp
index b5bdba996f..f5ca8d5b04 100644..100755
--- a/indra/llrender/llfontregistry.cpp
+++ b/indra/llrender/llfontregistry.cpp
@@ -223,7 +223,7 @@ std::string currentOsName()
 	return "Windows";
 #elif LL_DARWIN
 	return "Mac";
-#elif LL_SDL
+#elif LL_SDL || LL_MESA_HEADLESS
 	return "Linux";
 #else
 	return "";
diff --git a/indra/llrender/llfontregistry.h b/indra/llrender/llfontregistry.h
index 059248fbbd..059248fbbd 100644..100755
--- a/indra/llrender/llfontregistry.h
+++ b/indra/llrender/llfontregistry.h
diff --git a/indra/llrender/llgl.cpp b/indra/llrender/llgl.cpp
index 0b56b3889c..088ba95b75 100644..100755
--- a/indra/llrender/llgl.cpp
+++ b/indra/llrender/llgl.cpp
@@ -44,7 +44,6 @@
 #include "llmath.h"
 #include "m4math.h"
 #include "llstring.h"
-#include "llmemtype.h"
 #include "llstacktrace.h"
 
 #include "llglheaders.h"
@@ -217,6 +216,11 @@ PFNGLGETQUERYIVARBPROC glGetQueryivARB = NULL;
 PFNGLGETQUERYOBJECTIVARBPROC glGetQueryObjectivARB = NULL;
 PFNGLGETQUERYOBJECTUIVARBPROC glGetQueryObjectuivARB = NULL;
 
+// GL_ARB_timer_query
+PFNGLQUERYCOUNTERPROC glQueryCounter = NULL;
+PFNGLGETQUERYOBJECTI64VPROC glGetQueryObjecti64v = NULL;
+PFNGLGETQUERYOBJECTUI64VPROC glGetQueryObjectui64v = NULL;
+
 // GL_ARB_point_parameters
 PFNGLPOINTPARAMETERFARBPROC glPointParameterfARB = NULL;
 PFNGLPOINTPARAMETERFVARBPROC glPointParameterfvARB = NULL;
@@ -422,6 +426,7 @@ LLGLManager::LLGLManager() :
 	mHasFragmentShader(FALSE),
 	mNumTextureImageUnits(0),
 	mHasOcclusionQuery(FALSE),
+	mHasTimerQuery(FALSE),
 	mHasOcclusionQuery2(FALSE),
 	mHasPointParameters(FALSE),
 	mHasDrawBuffers(FALSE),
@@ -446,7 +451,9 @@ LLGLManager::LLGLManager() :
 	mIsGFFX(FALSE),
 	mATIOffsetVerticalLines(FALSE),
 	mATIOldDriver(FALSE),
-
+#if LL_DARWIN
+	mIsMobileGF(FALSE),
+#endif
 	mHasRequirements(TRUE),
 
 	mHasSeparateSpecularColor(FALSE),
@@ -598,11 +605,6 @@ bool LLGLManager::initGL()
 	if (mGLVendor.substr(0,4) == "ATI ")
 	{
 		mGLVendorShort = "ATI";
-		BOOL mobile = FALSE;
-		if (mGLRenderer.find("MOBILITY") != std::string::npos)
-		{
-			mobile = TRUE;
-		}
 		mIsATI = TRUE;
 
 #if LL_WINDOWS && !LL_MESA_HEADLESS
@@ -643,6 +645,13 @@ bool LLGLManager::initGL()
 		{
 			mIsGF3 = TRUE;
 		}
+#if LL_DARWIN
+		else if ((mGLRenderer.find("9400M") != std::string::npos)
+			  || (mGLRenderer.find("9600M") != std::string::npos))
+		{
+			mIsMobileGF = TRUE;
+		}
+#endif
 
 	}
 	else if (mGLVendor.find("INTEL") != std::string::npos
@@ -751,12 +760,13 @@ bool LLGLManager::initGL()
 	{ //using multisample textures on ATI results in black screen for some reason
 		mHasTextureMultisample = FALSE;
 	}
-#endif
+
 
 	if (mIsIntel && mGLVersion <= 3.f)
 	{ //never try to use framebuffer objects on older intel drivers (crashy)
 		mHasFramebufferObject = FALSE;
 	}
+#endif
 
 	if (mHasFramebufferObject)
 	{
@@ -953,13 +963,15 @@ void LLGLManager::initExtensions()
 	mHasARBEnvCombine = ExtensionExists("GL_ARB_texture_env_combine", gGLHExts.mSysExts);
 	mHasCompressedTextures = glh_init_extensions("GL_ARB_texture_compression");
 	mHasOcclusionQuery = ExtensionExists("GL_ARB_occlusion_query", gGLHExts.mSysExts);
+	mHasTimerQuery = ExtensionExists("GL_ARB_timer_query", gGLHExts.mSysExts);
 	mHasOcclusionQuery2 = ExtensionExists("GL_ARB_occlusion_query2", gGLHExts.mSysExts);
 	mHasVertexBufferObject = ExtensionExists("GL_ARB_vertex_buffer_object", gGLHExts.mSysExts);
 	mHasVertexArrayObject = ExtensionExists("GL_ARB_vertex_array_object", gGLHExts.mSysExts);
 	mHasSync = ExtensionExists("GL_ARB_sync", gGLHExts.mSysExts);
 	mHasMapBufferRange = ExtensionExists("GL_ARB_map_buffer_range", gGLHExts.mSysExts);
 	mHasFlushBufferRange = ExtensionExists("GL_APPLE_flush_buffer_range", gGLHExts.mSysExts);
-	mHasDepthClamp = ExtensionExists("GL_ARB_depth_clamp", gGLHExts.mSysExts) || ExtensionExists("GL_NV_depth_clamp", gGLHExts.mSysExts);
+	//mHasDepthClamp = ExtensionExists("GL_ARB_depth_clamp", gGLHExts.mSysExts) || ExtensionExists("GL_NV_depth_clamp", gGLHExts.mSysExts);
+	mHasDepthClamp = FALSE;
 	// mask out FBO support when packed_depth_stencil isn't there 'cause we need it for LLRenderTarget -Brad
 #ifdef GL_ARB_framebuffer_object
 	mHasFramebufferObject = ExtensionExists("GL_ARB_framebuffer_object", gGLHExts.mSysExts);
@@ -969,6 +981,15 @@ void LLGLManager::initExtensions()
 							ExtensionExists("GL_EXT_framebuffer_multisample", gGLHExts.mSysExts) &&
 							ExtensionExists("GL_EXT_packed_depth_stencil", gGLHExts.mSysExts);
 #endif
+#ifdef GL_EXT_texture_sRGB
+	mHassRGBTexture = ExtensionExists("GL_EXT_texture_sRGB", gGLHExts.mSysExts);
+#endif
+	
+#ifdef GL_ARB_framebuffer_sRGB
+	mHassRGBFramebuffer = ExtensionExists("GL_ARB_framebuffer_sRGB", gGLHExts.mSysExts);
+#else
+	mHassRGBFramebuffer = ExtensionExists("GL_EXT_framebuffer_sRGB", gGLHExts.mSysExts);
+#endif
 	
 	mHasMipMapGeneration = mHasFramebufferObject || mGLVersion >= 1.4f;
 
@@ -1259,6 +1280,13 @@ void LLGLManager::initExtensions()
 		glGetQueryObjectivARB = (PFNGLGETQUERYOBJECTIVARBPROC)GLH_EXT_GET_PROC_ADDRESS("glGetQueryObjectivARB");
 		glGetQueryObjectuivARB = (PFNGLGETQUERYOBJECTUIVARBPROC)GLH_EXT_GET_PROC_ADDRESS("glGetQueryObjectuivARB");
 	}
+	if (mHasTimerQuery)
+	{
+		llinfos << "initExtensions() TimerQuery-related procs..." << llendl;
+		glQueryCounter = (PFNGLQUERYCOUNTERPROC) GLH_EXT_GET_PROC_ADDRESS("glQueryCounter");
+		glGetQueryObjecti64v = (PFNGLGETQUERYOBJECTI64VPROC) GLH_EXT_GET_PROC_ADDRESS("glGetQueryObjecti64v");
+		glGetQueryObjectui64v = (PFNGLGETQUERYOBJECTUI64VPROC) GLH_EXT_GET_PROC_ADDRESS("glGetQueryObjectui64v");
+	}
 	if (mHasPointParameters)
 	{
 		llinfos << "initExtensions() PointParameters-related procs..." << llendl;
@@ -1490,9 +1518,8 @@ void assert_glerror()
 
 void clear_glerror()
 {
-	//  Create or update texture to be used with this data 
-	GLenum error;
-	error = glGetError();
+	glGetError();
+	glGetError();
 }
 
 ///////////////////////////////////////////////////////////////
@@ -2323,7 +2350,6 @@ void LLGLNamePool::release(GLuint name)
 //static
 void LLGLNamePool::upkeepPools()
 {
-	LLMemType mt(LLMemType::MTYPE_UPKEEP_POOLS);
 	for (tracker_t::instance_iter iter = beginInstances(); iter != endInstances(); ++iter)
 	{
 		LLGLNamePool & pool = *iter;
diff --git a/indra/llrender/llgl.h b/indra/llrender/llgl.h
index d70e764769..60597fd090 100644..100755
--- a/indra/llrender/llgl.h
+++ b/indra/llrender/llgl.h
@@ -98,6 +98,7 @@ public:
 	BOOL mHasFragmentShader;
 	S32  mNumTextureImageUnits;
 	BOOL mHasOcclusionQuery;
+	BOOL mHasTimerQuery;
 	BOOL mHasOcclusionQuery2;
 	BOOL mHasPointParameters;
 	BOOL mHasDrawBuffers;
@@ -115,6 +116,8 @@ public:
 	BOOL mHasARBEnvCombine;
 	BOOL mHasCubeMap;
 	BOOL mHasDebugOutput;
+	BOOL mHassRGBTexture;
+	BOOL mHassRGBFramebuffer;
 
 	// Vendor-specific extensions
 	BOOL mIsATI;
@@ -126,6 +129,11 @@ public:
 	BOOL mATIOffsetVerticalLines;
 	BOOL mATIOldDriver;
 
+#if LL_DARWIN
+	// Needed to distinguish problem cards on older Macs that break with Materials
+	BOOL mIsMobileGF;
+#endif
+	
 	// Whether this version of GL is good enough for SL to use
 	BOOL mHasRequirements;
 
diff --git a/indra/llrender/llgldbg.cpp b/indra/llrender/llgldbg.cpp
index 4b68194db3..4b68194db3 100644..100755
--- a/indra/llrender/llgldbg.cpp
+++ b/indra/llrender/llgldbg.cpp
diff --git a/indra/llrender/llgldbg.h b/indra/llrender/llgldbg.h
index 963579cb82..963579cb82 100644..100755
--- a/indra/llrender/llgldbg.h
+++ b/indra/llrender/llgldbg.h
diff --git a/indra/llrender/llglheaders.h b/indra/llrender/llglheaders.h
index 509de51f4d..dace572953 100644..100755
--- a/indra/llrender/llglheaders.h
+++ b/indra/llrender/llglheaders.h
@@ -116,6 +116,11 @@ extern PFNGLGETQUERYIVARBPROC glGetQueryivARB;
 extern PFNGLGETQUERYOBJECTIVARBPROC glGetQueryObjectivARB;
 extern PFNGLGETQUERYOBJECTUIVARBPROC glGetQueryObjectuivARB;
 
+// GL_ARB_timer_query
+extern PFNGLQUERYCOUNTERPROC glQueryCounter;
+extern PFNGLGETQUERYOBJECTI64VPROC glGetQueryObjecti64v;
+extern PFNGLGETQUERYOBJECTUI64VPROC glGetQueryObjectui64v;
+
 // GL_ARB_point_parameters
 extern PFNGLPOINTPARAMETERFARBPROC glPointParameterfARB;
 extern PFNGLPOINTPARAMETERFVARBPROC glPointParameterfvARB;
@@ -378,6 +383,11 @@ extern PFNGLGETQUERYIVARBPROC glGetQueryivARB;
 extern PFNGLGETQUERYOBJECTIVARBPROC glGetQueryObjectivARB;
 extern PFNGLGETQUERYOBJECTUIVARBPROC glGetQueryObjectuivARB;
 
+// GL_ARB_timer_query
+extern PFNGLQUERYCOUNTERPROC glQueryCounter;
+extern PFNGLGETQUERYOBJECTI64VPROC glGetQueryObjecti64v;
+extern PFNGLGETQUERYOBJECTUI64VPROC glGetQueryObjectui64v;
+
 // GL_ARB_point_parameters
 extern PFNGLPOINTPARAMETERFARBPROC glPointParameterfARB;
 extern PFNGLPOINTPARAMETERFVARBPROC glPointParameterfvARB;
@@ -619,6 +629,12 @@ extern PFNGLGETQUERYIVARBPROC glGetQueryivARB;
 extern PFNGLGETQUERYOBJECTIVARBPROC glGetQueryObjectivARB;
 extern PFNGLGETQUERYOBJECTUIVARBPROC glGetQueryObjectuivARB;
 
+// GL_ARB_timer_query
+extern PFNGLQUERYCOUNTERPROC glQueryCounter;
+extern PFNGLGETQUERYOBJECTI64VPROC glGetQueryObjecti64v;
+extern PFNGLGETQUERYOBJECTUI64VPROC glGetQueryObjectui64v;
+
+
 // GL_ARB_point_parameters
 extern PFNGLPOINTPARAMETERFARBPROC glPointParameterfARB;
 extern PFNGLPOINTPARAMETERFVARBPROC glPointParameterfvARB;
diff --git a/indra/llrender/llglslshader.cpp b/indra/llrender/llglslshader.cpp
index 7cbf39096e..62191b4c1a 100644..100755
--- a/indra/llrender/llglslshader.cpp
+++ b/indra/llrender/llglslshader.cpp
@@ -53,6 +53,12 @@ GLhandleARB LLGLSLShader::sCurBoundShader = 0;
 LLGLSLShader* LLGLSLShader::sCurBoundShaderPtr = NULL;
 S32 LLGLSLShader::sIndexedTextureChannels = 0;
 bool LLGLSLShader::sNoFixedFunction = false;
+bool LLGLSLShader::sProfileEnabled = false;
+std::set<LLGLSLShader*> LLGLSLShader::sInstances;
+U64 LLGLSLShader::sTotalTimeElapsed = 0;
+U32 LLGLSLShader::sTotalTrianglesDrawn = 0;
+U64 LLGLSLShader::sTotalSamplesDrawn = 0;
+U32 LLGLSLShader::sTotalDrawCalls = 0;
 
 //UI shader -- declared here so llui_libtest will link properly
 LLGLSLShader	gUIProgram;
@@ -87,19 +93,194 @@ LLShaderFeatures::LLShaderFeatures()
 //===============================
 // LLGLSL Shader implementation
 //===============================
+
+//static
+void LLGLSLShader::initProfile()
+{
+	sProfileEnabled = true;
+	sTotalTimeElapsed = 0;
+	sTotalTrianglesDrawn = 0;
+	sTotalSamplesDrawn = 0;
+	sTotalDrawCalls = 0;
+
+	for (std::set<LLGLSLShader*>::iterator iter = sInstances.begin(); iter != sInstances.end(); ++iter)
+	{
+		(*iter)->clearStats();
+	}
+}
+
+
+struct LLGLSLShaderCompareTimeElapsed
+{
+		bool operator()(const LLGLSLShader* const& lhs, const LLGLSLShader* const& rhs)
+		{
+			return lhs->mTimeElapsed < rhs->mTimeElapsed;
+		}
+};
+
+//static
+void LLGLSLShader::finishProfile()
+{
+	sProfileEnabled = false;
+
+	std::vector<LLGLSLShader*> sorted;
+
+	for (std::set<LLGLSLShader*>::iterator iter = sInstances.begin(); iter != sInstances.end(); ++iter)
+	{
+		sorted.push_back(*iter);
+	}
+
+	std::sort(sorted.begin(), sorted.end(), LLGLSLShaderCompareTimeElapsed());
+
+	for (std::vector<LLGLSLShader*>::iterator iter = sorted.begin(); iter != sorted.end(); ++iter)
+	{
+		(*iter)->dumpStats();
+	}
+
+	llinfos << "-----------------------------------" << llendl;
+	llinfos << "Total rendering time: " << llformat("%.4f ms", sTotalTimeElapsed/1000000.f) << llendl;
+	llinfos << "Total samples drawn: " << llformat("%.4f million", sTotalSamplesDrawn/1000000.f) << llendl;
+	llinfos << "Total triangles drawn: " << llformat("%.3f million", sTotalTrianglesDrawn/1000000.f) << llendl;
+}
+
+void LLGLSLShader::clearStats()
+{
+	mTrianglesDrawn = 0;
+	mTimeElapsed = 0;
+	mSamplesDrawn = 0;
+	mDrawCalls = 0;
+}
+
+void LLGLSLShader::dumpStats()
+{
+	if (mDrawCalls > 0)
+	{
+		llinfos << "=============================================" << llendl;
+		llinfos << mName << llendl;
+		for (U32 i = 0; i < mShaderFiles.size(); ++i)
+		{
+			llinfos << mShaderFiles[i].first << llendl;
+		}
+		llinfos << "=============================================" << llendl;
+
+		F32 ms = mTimeElapsed/1000000.f;
+		F32 seconds = ms/1000.f;
+
+		F32 pct_tris = (F32) mTrianglesDrawn/(F32)sTotalTrianglesDrawn*100.f;
+		F32 tris_sec = (F32) (mTrianglesDrawn/1000000.0);
+		tris_sec /= seconds;
+
+		F32 pct_samples = (F32) ((F64)mSamplesDrawn/(F64)sTotalSamplesDrawn)*100.f;
+		F32 samples_sec = (F32) mSamplesDrawn/1000000000.0;
+		samples_sec /= seconds;
+
+		F32 pct_calls = (F32) mDrawCalls/(F32)sTotalDrawCalls*100.f;
+		U32 avg_batch = mTrianglesDrawn/mDrawCalls;
+
+		llinfos << "Triangles Drawn: " << mTrianglesDrawn <<  " " << llformat("(%.2f pct of total, %.3f million/sec)", pct_tris, tris_sec ) << llendl;
+		llinfos << "Draw Calls: " << mDrawCalls << " " << llformat("(%.2f pct of total, avg %d tris/call)", pct_calls, avg_batch) << llendl;
+		llinfos << "SamplesDrawn: " << mSamplesDrawn << " " << llformat("(%.2f pct of total, %.3f billion/sec)", pct_samples, samples_sec) << llendl;
+		llinfos << "Time Elapsed: " << mTimeElapsed << " " << llformat("(%.2f pct of total, %.5f ms)\n", (F32) ((F64)mTimeElapsed/(F64)sTotalTimeElapsed)*100.f, ms) << llendl;
+	}
+}
+
+//static
+void LLGLSLShader::startProfile()
+{
+	if (sProfileEnabled && sCurBoundShaderPtr)
+	{
+		sCurBoundShaderPtr->placeProfileQuery();
+	}
+
+}
+
+//static
+void LLGLSLShader::stopProfile(U32 count, U32 mode)
+{
+	if (sProfileEnabled)
+	{
+		sCurBoundShaderPtr->readProfileQuery(count, mode);
+	}
+}
+
+void LLGLSLShader::placeProfileQuery()
+{
+#if !LL_DARWIN
+	if (mTimerQuery == 0)
+	{
+		glGenQueriesARB(1, &mTimerQuery);
+	}
+
+	glBeginQueryARB(GL_SAMPLES_PASSED, 1);
+	glBeginQueryARB(GL_TIME_ELAPSED, mTimerQuery);
+#endif
+}
+
+void LLGLSLShader::readProfileQuery(U32 count, U32 mode)
+{
+#if !LL_DARWIN
+	glEndQueryARB(GL_TIME_ELAPSED);
+	glEndQueryARB(GL_SAMPLES_PASSED);
+	
+	U64 time_elapsed = 0;
+	glGetQueryObjectui64v(mTimerQuery, GL_QUERY_RESULT, &time_elapsed);
+
+	U64 samples_passed = 0;
+	glGetQueryObjectui64v(1, GL_QUERY_RESULT, &samples_passed);
+
+	sTotalTimeElapsed += time_elapsed;
+	mTimeElapsed += time_elapsed;
+
+	sTotalSamplesDrawn += samples_passed;
+	mSamplesDrawn += samples_passed;
+
+	U32 tri_count = 0;
+	switch (mode)
+	{
+		case LLRender::TRIANGLES: tri_count = count/3; break;
+		case LLRender::TRIANGLE_FAN: tri_count = count-2; break;
+		case LLRender::TRIANGLE_STRIP: tri_count = count-2; break;
+		default: tri_count = count; break; //points lines etc just use primitive count
+	}
+
+	mTrianglesDrawn += tri_count;
+	sTotalTrianglesDrawn += tri_count;
+
+	sTotalDrawCalls++;
+	mDrawCalls++;
+#endif
+}
+
+
+
 LLGLSLShader::LLGLSLShader()
-	: mProgramObject(0), mActiveTextureChannels(0), mShaderLevel(0), mShaderGroup(SG_DEFAULT), mUniformsDirty(FALSE)
+	: mProgramObject(0), 
+	  mAttributeMask(0),
+	  mTotalUniformSize(0),
+	  mActiveTextureChannels(0), 
+	  mShaderLevel(0), 
+	  mShaderGroup(SG_DEFAULT), 
+	  mUniformsDirty(FALSE),
+	  mTimerQuery(0)
 {
+	
+}
 
+LLGLSLShader::~LLGLSLShader()
+{
+	
 }
 
 void LLGLSLShader::unload()
 {
+	sInstances.erase(this);
+
 	stop_glerror();
 	mAttribute.clear();
 	mTexture.clear();
 	mUniform.clear();
 	mShaderFiles.clear();
+	mDefines.clear();
 
 	if (mProgramObject)
 	{
@@ -133,6 +314,8 @@ BOOL LLGLSLShader::createShader(vector<string> * attributes,
 								U32 varying_count,
 								const char** varyings)
 {
+	sInstances.insert(this);
+
 	//reloading, reset matrix hash values
 	for (U32 i = 0; i < LLRender::NUM_MATRIX_MODES; ++i)
 	{
@@ -150,7 +333,7 @@ BOOL LLGLSLShader::createShader(vector<string> * attributes,
 	vector< pair<string,GLenum> >::iterator fileIter = mShaderFiles.begin();
 	for ( ; fileIter != mShaderFiles.end(); fileIter++ )
 	{
-		GLhandleARB shaderhandle = LLShaderMgr::instance()->loadShaderFile((*fileIter).first, mShaderLevel, (*fileIter).second, mFeatures.mIndexedTextureChannels);
+		GLhandleARB shaderhandle = LLShaderMgr::instance()->loadShaderFile((*fileIter).first, mShaderLevel, (*fileIter).second, &mDefines, mFeatures.mIndexedTextureChannels);
 		LL_DEBUGS("ShaderLoading") << "SHADER FILE: " << (*fileIter).first << " mShaderLevel=" << mShaderLevel << LL_ENDL;
 		if (shaderhandle > 0)
 		{
@@ -285,6 +468,8 @@ BOOL LLGLSLShader::mapAttributes(const vector<string> * attributes)
 	if (res)
 	{ //read back channel locations
 
+		mAttributeMask = 0;
+
 		//read back reserved channels first
 		for (U32 i = 0; i < LLShaderMgr::instance()->mReservedAttribs.size(); i++)
 		{
@@ -293,6 +478,7 @@ BOOL LLGLSLShader::mapAttributes(const vector<string> * attributes)
 			if (index != -1)
 			{
 				mAttribute[i] = index;
+				mAttributeMask |= 1 << i;
 				LL_DEBUGS("ShaderLoading") << "Attribute " << name << " assigned to channel " << index << LL_ENDL;
 			}
 		}
@@ -325,11 +511,56 @@ void LLGLSLShader::mapUniform(GLint index, const vector<string> * uniforms)
 
 	GLenum type;
 	GLsizei length;
-	GLint size;
+	GLint size = -1;
 	char name[1024];		/* Flawfinder: ignore */
 	name[0] = 0;
 
+
 	glGetActiveUniformARB(mProgramObject, index, 1024, &length, &size, &type, (GLcharARB *)name);
+#if !LL_DARWIN
+	if (size > 0)
+	{
+		switch(type)
+		{
+			case GL_FLOAT_VEC2: size *= 2; break;
+			case GL_FLOAT_VEC3: size *= 3; break;
+			case GL_FLOAT_VEC4: size *= 4; break;
+			case GL_DOUBLE: size *= 2; break;
+			case GL_DOUBLE_VEC2: size *= 2; break;
+			case GL_DOUBLE_VEC3: size *= 6; break;
+			case GL_DOUBLE_VEC4: size *= 8; break;
+			case GL_INT_VEC2: size *= 2; break;
+			case GL_INT_VEC3: size *= 3; break;
+			case GL_INT_VEC4: size *= 4; break;
+			case GL_UNSIGNED_INT_VEC2: size *= 2; break;
+			case GL_UNSIGNED_INT_VEC3: size *= 3; break;
+			case GL_UNSIGNED_INT_VEC4: size *= 4; break;
+			case GL_BOOL_VEC2: size *= 2; break;
+			case GL_BOOL_VEC3: size *= 3; break;
+			case GL_BOOL_VEC4: size *= 4; break;
+			case GL_FLOAT_MAT2: size *= 4; break;
+			case GL_FLOAT_MAT3: size *= 9; break;
+			case GL_FLOAT_MAT4: size *= 16; break;
+			case GL_FLOAT_MAT2x3: size *= 6; break;
+			case GL_FLOAT_MAT2x4: size *= 8; break;
+			case GL_FLOAT_MAT3x2: size *= 6; break;
+			case GL_FLOAT_MAT3x4: size *= 12; break;
+			case GL_FLOAT_MAT4x2: size *= 8; break;
+			case GL_FLOAT_MAT4x3: size *= 12; break;
+			case GL_DOUBLE_MAT2: size *= 8; break;
+			case GL_DOUBLE_MAT3: size *= 18; break;
+			case GL_DOUBLE_MAT4: size *= 32; break;
+			case GL_DOUBLE_MAT2x3: size *= 12; break;
+			case GL_DOUBLE_MAT2x4: size *= 16; break;
+			case GL_DOUBLE_MAT3x2: size *= 12; break;
+			case GL_DOUBLE_MAT3x4: size *= 24; break;
+			case GL_DOUBLE_MAT4x2: size *= 16; break;
+			case GL_DOUBLE_MAT4x3: size *= 24; break;
+		}
+		mTotalUniformSize += size;
+	}
+#endif
+
 	S32 location = glGetUniformLocationARB(mProgramObject, name);
 	if (location != -1)
 	{
@@ -372,11 +603,21 @@ void LLGLSLShader::mapUniform(GLint index, const vector<string> * uniforms)
 			}
 		}
 	}
- }
+}
+
+void LLGLSLShader::addPermutation(std::string name, std::string value)
+{
+	mDefines[name] = value;
+}
+
+void LLGLSLShader::removePermutation(std::string name)
+{
+	mDefines[name].erase();
+}
 
 GLint LLGLSLShader::mapUniformTextureChannel(GLint location, GLenum type)
 {
-	if (type >= GL_SAMPLER_1D_ARB && type <= GL_SAMPLER_2D_RECT_SHADOW_ARB ||
+	if ((type >= GL_SAMPLER_1D_ARB && type <= GL_SAMPLER_2D_RECT_SHADOW_ARB) ||
 		type == GL_SAMPLER_2D_MULTISAMPLE)
 	{	//this here is a texture
 		glUniform1iARB(location, mActiveTextureChannels);
@@ -390,6 +631,7 @@ BOOL LLGLSLShader::mapUniforms(const vector<string> * uniforms)
 {
 	BOOL res = TRUE;
 	
+	mTotalUniformSize = 0;
 	mActiveTextureChannels = 0;
 	mUniform.clear();
 	mUniformMap.clear();
@@ -413,6 +655,7 @@ BOOL LLGLSLShader::mapUniforms(const vector<string> * uniforms)
 
 	unbind();
 
+	LL_DEBUGS("ShaderLoading") << "Total Uniform Size: " << mTotalUniformSize << llendl;
 	return res;
 }
 
@@ -471,6 +714,58 @@ void LLGLSLShader::bindNoShader(void)
 	}
 }
 
+S32 LLGLSLShader::bindTexture(const std::string &uniform, LLTexture *texture, LLTexUnit::eTextureType mode)
+{
+	S32 channel = 0;
+	channel = getUniformLocation(uniform);
+	
+	return bindTexture(channel, texture, mode);
+}
+
+S32 LLGLSLShader::bindTexture(S32 uniform, LLTexture *texture, LLTexUnit::eTextureType mode)
+{
+	if (uniform < 0 || uniform >= (S32)mTexture.size())
+	{
+		UNIFORM_ERRS << "Uniform out of range: " << uniform << LL_ENDL;
+		return -1;
+	}
+	
+	uniform = mTexture[uniform];
+	
+	if (uniform > -1)
+	{
+		gGL.getTexUnit(uniform)->bind(texture, mode);
+	}
+	
+	return uniform;
+}
+
+S32 LLGLSLShader::unbindTexture(const std::string &uniform, LLTexUnit::eTextureType mode)
+{
+	S32 channel = 0;
+	channel = getUniformLocation(uniform);
+	
+	return unbindTexture(channel);
+}
+
+S32 LLGLSLShader::unbindTexture(S32 uniform, LLTexUnit::eTextureType mode)
+{
+	if (uniform < 0 || uniform >= (S32)mTexture.size())
+	{
+		UNIFORM_ERRS << "Uniform out of range: " << uniform << LL_ENDL;
+		return -1;
+	}
+	
+	uniform = mTexture[uniform];
+	
+	if (uniform > -1)
+	{
+		gGL.getTexUnit(uniform)->unbind(mode);
+	}
+	
+	return uniform;
+}
+
 S32 LLGLSLShader::enableTexture(S32 uniform, LLTexUnit::eTextureType mode)
 {
 	if (uniform < 0 || uniform >= (S32)mTexture.size())
diff --git a/indra/llrender/llglslshader.h b/indra/llrender/llglslshader.h
index 5c68cb46eb..3c775cde27 100644..100755
--- a/indra/llrender/llglslshader.h
+++ b/indra/llrender/llglslshader.h
@@ -67,14 +67,29 @@ public:
 		SG_WATER
 	};
 	
+	static std::set<LLGLSLShader*> sInstances;
+	static bool sProfileEnabled;
+
 	LLGLSLShader();
+	~LLGLSLShader();
 
 	static GLhandleARB sCurBoundShader;
 	static LLGLSLShader* sCurBoundShaderPtr;
 	static S32 sIndexedTextureChannels;
 	static bool sNoFixedFunction;
 
+	static void initProfile();
+	static void finishProfile();
+
+	static void startProfile();
+	static void stopProfile(U32 count, U32 mode);
+
 	void unload();
+	void clearStats();
+	void dumpStats();
+	void placeProfileQuery();
+	void readProfileQuery(U32 count, U32 mode);
+
 	BOOL createShader(std::vector<std::string> * attributes,
 						std::vector<std::string> * uniforms,
 						U32 varying_count = 0,
@@ -123,12 +138,22 @@ public:
 	GLint getAttribLocation(U32 attrib);
 	GLint mapUniformTextureChannel(GLint location, GLenum type);
 	
+	void addPermutation(std::string name, std::string value);
+	void removePermutation(std::string name);
+	
 	//enable/disable texture channel for specified uniform
 	//if given texture uniform is active in the shader, 
 	//the corresponding channel will be active upon return
 	//returns channel texture is enabled in from [0-MAX)
 	S32 enableTexture(S32 uniform, LLTexUnit::eTextureType mode = LLTexUnit::TT_TEXTURE);
-	S32 disableTexture(S32 uniform, LLTexUnit::eTextureType mode = LLTexUnit::TT_TEXTURE); 
+	S32 disableTexture(S32 uniform, LLTexUnit::eTextureType mode = LLTexUnit::TT_TEXTURE);
+	
+	// bindTexture returns the texture unit we've bound the texture to.
+	// You can reuse the return value to unbind a texture when required.
+	S32 bindTexture(const std::string& uniform, LLTexture *texture, LLTexUnit::eTextureType mode = LLTexUnit::TT_TEXTURE);
+	S32 bindTexture(S32 uniform, LLTexture *texture, LLTexUnit::eTextureType mode = LLTexUnit::TT_TEXTURE);
+	S32 unbindTexture(const std::string& uniform, LLTexUnit::eTextureType mode = LLTexUnit::TT_TEXTURE);
+	S32 unbindTexture(S32 uniform, LLTexUnit::eTextureType mode = LLTexUnit::TT_TEXTURE);
 	
     BOOL link(BOOL suppress_errors = FALSE);
 	void bind();
@@ -142,10 +167,12 @@ public:
 
 	GLhandleARB mProgramObject;
 	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
 	std::map<GLint, LLVector4> mValue; //lookup map of uniform location to last known value
 	std::vector<GLint> mTexture;
+	S32 mTotalUniformSize;
 	S32 mActiveTextureChannels;
 	S32 mShaderLevel;
 	S32 mShaderGroup;
@@ -153,12 +180,26 @@ public:
 	LLShaderFeatures mFeatures;
 	std::vector< std::pair< std::string, GLenum > > mShaderFiles;
 	std::string mName;
+	boost::unordered_map<std::string, std::string> mDefines;
+
+	//statistcis for profiling shader performance
+	U32 mTimerQuery;
+	U64 mTimeElapsed;
+	static U64 sTotalTimeElapsed;
+	U32 mTrianglesDrawn;
+	static U32 sTotalTrianglesDrawn;
+	U64 mSamplesDrawn;
+	static U64 sTotalSamplesDrawn;
+	U32 mDrawCalls;
+	static U32 sTotalDrawCalls;
 };
 
 //UI shader (declared here so llui_libtest will link properly)
 extern LLGLSLShader			gUIProgram;
 //output vec4(color.rgb,color.a*tex0[tc0].a)
 extern LLGLSLShader			gSolidColorProgram;
+//Alpha mask shader (declared here so llappearance can access properly)
+extern LLGLSLShader			gAlphaMaskProgram;
 
 
 #endif
diff --git a/indra/llrender/llglstates.h b/indra/llrender/llglstates.h
index 0e2c3bcb44..0e2c3bcb44 100644..100755
--- a/indra/llrender/llglstates.h
+++ b/indra/llrender/llglstates.h
diff --git a/indra/llrender/llgltexture.cpp b/indra/llrender/llgltexture.cpp
new file mode 100644
index 0000000000..d06ed5e57b
--- /dev/null
+++ b/indra/llrender/llgltexture.cpp
@@ -0,0 +1,396 @@
+/** 
+ * @file llgltexture.cpp
+ * @brief Opengl texture implementation
+ *
+ * $LicenseInfo:firstyear=2000&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2010, Linden Research, Inc.
+ * 
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ * 
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ * 
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ */
+#include "linden_common.h"
+#include "llgltexture.h"
+
+
+// static
+S32 LLGLTexture::getTotalNumOfCategories() 
+{
+	return MAX_GL_IMAGE_CATEGORY - (BOOST_HIGH - BOOST_SCULPTED) + 2 ;
+}
+
+// static
+//index starts from zero.
+S32 LLGLTexture::getIndexFromCategory(S32 category) 
+{
+	return (category < BOOST_HIGH) ? category : category - (BOOST_HIGH - BOOST_SCULPTED) + 1 ;
+}
+
+//static 
+S32 LLGLTexture::getCategoryFromIndex(S32 index)
+{
+	return (index < BOOST_HIGH) ? index : index + (BOOST_HIGH - BOOST_SCULPTED) - 1 ;
+}
+
+LLGLTexture::LLGLTexture(BOOL usemipmaps)
+{
+	init();
+	mUseMipMaps = usemipmaps;
+}
+
+LLGLTexture::LLGLTexture(const U32 width, const U32 height, const U8 components, BOOL usemipmaps)
+{
+	init();
+	mFullWidth = width ;
+	mFullHeight = height ;
+	mUseMipMaps = usemipmaps;
+	mComponents = components ;
+	setTexelsPerImage();
+}
+
+LLGLTexture::LLGLTexture(const LLImageRaw* raw, BOOL usemipmaps)
+{
+	init();
+	mUseMipMaps = usemipmaps ;
+	// Create an empty image of the specified size and width
+	mGLTexturep = new LLImageGL(raw, usemipmaps) ;
+}
+
+LLGLTexture::~LLGLTexture()
+{
+	cleanup();
+}
+
+void LLGLTexture::init()
+{
+	mBoostLevel = LLGLTexture::BOOST_NONE;
+
+	mFullWidth = 0;
+	mFullHeight = 0;
+	mTexelsPerImage = 0 ;
+	mUseMipMaps = FALSE ;
+	mComponents = 0 ;
+
+	mTextureState = NO_DELETE ;
+	mDontDiscard = FALSE;
+	mNeedsGLTexture = FALSE ;
+}
+
+void LLGLTexture::cleanup()
+{
+	if(mGLTexturep)
+	{
+		mGLTexturep->cleanup();
+	}
+}
+
+// virtual
+void LLGLTexture::dump()
+{
+	if(mGLTexturep)
+	{
+		mGLTexturep->dump();
+	}
+}
+
+void LLGLTexture::setBoostLevel(S32 level)
+{
+	if(mBoostLevel != level)
+	{
+		mBoostLevel = level ;
+		if(mBoostLevel != LLGLTexture::BOOST_NONE)
+		{
+			setNoDelete() ;		
+		}
+	}
+}
+
+void LLGLTexture::forceActive()
+{
+	mTextureState = ACTIVE ; 
+}
+
+void LLGLTexture::setActive() 
+{ 
+	if(mTextureState != NO_DELETE)
+	{
+		mTextureState = ACTIVE ; 
+	}
+}
+
+//set the texture to stay in memory
+void LLGLTexture::setNoDelete() 
+{ 
+	mTextureState = NO_DELETE ;
+}
+
+void LLGLTexture::generateGLTexture() 
+{	
+	if(mGLTexturep.isNull())
+	{
+		mGLTexturep = new LLImageGL(mFullWidth, mFullHeight, mComponents, mUseMipMaps) ;
+	}
+}
+
+LLImageGL* LLGLTexture::getGLTexture() const
+{
+	llassert(mGLTexturep.notNull()) ;
+
+	return mGLTexturep ;
+}
+
+BOOL LLGLTexture::createGLTexture() 
+{
+	if(mGLTexturep.isNull())
+	{
+		generateGLTexture() ;
+	}
+
+	return mGLTexturep->createGLTexture() ;
+}
+
+BOOL LLGLTexture::createGLTexture(S32 discard_level, const LLImageRaw* imageraw, S32 usename, BOOL to_create, S32 category)
+{
+	llassert(mGLTexturep.notNull()) ;	
+
+	BOOL ret = mGLTexturep->createGLTexture(discard_level, imageraw, usename, to_create, category) ;
+
+	if(ret)
+	{
+		mFullWidth = mGLTexturep->getCurrentWidth() ;
+		mFullHeight = mGLTexturep->getCurrentHeight() ; 
+		mComponents = mGLTexturep->getComponents() ;	
+		setTexelsPerImage();
+	}
+
+	return ret ;
+}
+
+void LLGLTexture::setExplicitFormat(LLGLint internal_format, LLGLenum primary_format, LLGLenum type_format, BOOL swap_bytes)
+{
+	llassert(mGLTexturep.notNull()) ;
+	
+	mGLTexturep->setExplicitFormat(internal_format, primary_format, type_format, swap_bytes) ;
+}
+void LLGLTexture::setAddressMode(LLTexUnit::eTextureAddressMode mode)
+{
+	llassert(mGLTexturep.notNull()) ;
+	mGLTexturep->setAddressMode(mode) ;
+}
+void LLGLTexture::setFilteringOption(LLTexUnit::eTextureFilterOptions option)
+{
+	llassert(mGLTexturep.notNull()) ;
+	mGLTexturep->setFilteringOption(option) ;
+}
+
+//virtual
+S32	LLGLTexture::getWidth(S32 discard_level) const
+{
+	llassert(mGLTexturep.notNull()) ;
+	return mGLTexturep->getWidth(discard_level) ;
+}
+
+//virtual
+S32	LLGLTexture::getHeight(S32 discard_level) const
+{
+	llassert(mGLTexturep.notNull()) ;
+	return mGLTexturep->getHeight(discard_level) ;
+}
+
+S32 LLGLTexture::getMaxDiscardLevel() const
+{
+	llassert(mGLTexturep.notNull()) ;
+	return mGLTexturep->getMaxDiscardLevel() ;
+}
+S32 LLGLTexture::getDiscardLevel() const
+{
+	llassert(mGLTexturep.notNull()) ;
+	return mGLTexturep->getDiscardLevel() ;
+}
+S8  LLGLTexture::getComponents() const 
+{ 
+	llassert(mGLTexturep.notNull()) ;
+	
+	return mGLTexturep->getComponents() ;
+}
+
+LLGLuint LLGLTexture::getTexName() const 
+{ 
+	llassert(mGLTexturep.notNull()) ;
+
+	return mGLTexturep->getTexName() ; 
+}
+
+BOOL LLGLTexture::hasGLTexture() const 
+{
+	if(mGLTexturep.notNull())
+	{
+		return mGLTexturep->getHasGLTexture() ;
+	}
+	return FALSE ;
+}
+
+BOOL LLGLTexture::getBoundRecently() const
+{
+	if(mGLTexturep.notNull())
+	{
+		return mGLTexturep->getBoundRecently() ;
+	}
+	return FALSE ;
+}
+
+LLTexUnit::eTextureType LLGLTexture::getTarget(void) const
+{
+	llassert(mGLTexturep.notNull()) ;
+	return mGLTexturep->getTarget() ;
+}
+
+BOOL LLGLTexture::setSubImage(const LLImageRaw* imageraw, S32 x_pos, S32 y_pos, S32 width, S32 height)
+{
+	llassert(mGLTexturep.notNull()) ;
+
+	return mGLTexturep->setSubImage(imageraw, x_pos, y_pos, width, height) ;
+}
+
+BOOL LLGLTexture::setSubImage(const U8* datap, S32 data_width, S32 data_height, S32 x_pos, S32 y_pos, S32 width, S32 height)
+{
+	llassert(mGLTexturep.notNull()) ;
+
+	return mGLTexturep->setSubImage(datap, data_width, data_height, x_pos, y_pos, width, height) ;
+}
+
+void LLGLTexture::setGLTextureCreated (bool initialized)
+{
+	llassert(mGLTexturep.notNull()) ;
+
+	mGLTexturep->setGLTextureCreated (initialized) ;
+}
+
+void  LLGLTexture::setCategory(S32 category) 
+{
+	llassert(mGLTexturep.notNull()) ;
+
+	mGLTexturep->setCategory(category) ;
+}
+
+LLTexUnit::eTextureAddressMode LLGLTexture::getAddressMode(void) const
+{
+	llassert(mGLTexturep.notNull()) ;
+
+	return mGLTexturep->getAddressMode() ;
+}
+
+S32 LLGLTexture::getTextureMemory() const
+{
+	llassert(mGLTexturep.notNull()) ;
+
+	return mGLTexturep->mTextureMemory ;
+}
+
+LLGLenum LLGLTexture::getPrimaryFormat() const
+{
+	llassert(mGLTexturep.notNull()) ;
+
+	return mGLTexturep->getPrimaryFormat() ;
+}
+
+BOOL LLGLTexture::getIsAlphaMask() const
+{
+	llassert(mGLTexturep.notNull()) ;
+
+	return mGLTexturep->getIsAlphaMask() ;
+}
+
+BOOL LLGLTexture::getMask(const LLVector2 &tc)
+{
+	llassert(mGLTexturep.notNull()) ;
+
+	return mGLTexturep->getMask(tc) ;
+}
+
+F32 LLGLTexture::getTimePassedSinceLastBound()
+{
+	llassert(mGLTexturep.notNull()) ;
+
+	return mGLTexturep->getTimePassedSinceLastBound() ;
+}
+BOOL LLGLTexture::getMissed() const 
+{
+	llassert(mGLTexturep.notNull()) ;
+
+	return mGLTexturep->getMissed() ;
+}
+
+BOOL LLGLTexture::isJustBound() const
+{
+	llassert(mGLTexturep.notNull()) ;
+
+	return mGLTexturep->isJustBound() ;
+}
+
+void LLGLTexture::forceUpdateBindStats(void) const
+{
+	llassert(mGLTexturep.notNull()) ;
+
+	return mGLTexturep->forceUpdateBindStats() ;
+}
+
+U32 LLGLTexture::getTexelsInAtlas() const
+{
+	llassert(mGLTexturep.notNull()) ;
+
+	return mGLTexturep->getTexelsInAtlas() ;
+}
+
+U32 LLGLTexture::getTexelsInGLTexture() const
+{
+	llassert(mGLTexturep.notNull()) ;
+
+	return mGLTexturep->getTexelsInGLTexture() ;
+}
+
+BOOL LLGLTexture::isGLTextureCreated() const
+{
+	llassert(mGLTexturep.notNull()) ;
+
+	return mGLTexturep->isGLTextureCreated() ;
+}
+
+S32  LLGLTexture::getDiscardLevelInAtlas() const
+{
+	llassert(mGLTexturep.notNull()) ;
+
+	return mGLTexturep->getDiscardLevelInAtlas() ;
+}
+
+void LLGLTexture::destroyGLTexture() 
+{
+	if(mGLTexturep.notNull() && mGLTexturep->getHasGLTexture())
+	{
+		mGLTexturep->destroyGLTexture() ;
+		mTextureState = DELETED ;
+	}
+}
+
+void LLGLTexture::setTexelsPerImage()
+{
+	S32 fullwidth = llmin(mFullWidth,(S32)MAX_IMAGE_SIZE_DEFAULT);
+	S32 fullheight = llmin(mFullHeight,(S32)MAX_IMAGE_SIZE_DEFAULT);
+	mTexelsPerImage = (F32)fullwidth * fullheight;
+}
+
+
diff --git a/indra/llrender/llgltexture.h b/indra/llrender/llgltexture.h
new file mode 100644
index 0000000000..e69b322d60
--- /dev/null
+++ b/indra/llrender/llgltexture.h
@@ -0,0 +1,199 @@
+/** 
+ * @file llglviewertexture.h
+ * @brief Object for managing opengl textures
+ *
+ * $LicenseInfo:firstyear=2012&license=viewerlgpl$
+ * 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_GL_TEXTURE_H
+#define LL_GL_TEXTURE_H
+
+#include "lltexture.h"
+#include "llgl.h"
+
+class LLImageRaw;
+
+//
+//this the parent for the class LLViewerTexture
+//through the following virtual functions, the class LLViewerTexture can be reached from /llrender.
+//
+class LLGLTexture : public LLTexture
+{
+public:
+	enum
+	{
+		MAX_IMAGE_SIZE_DEFAULT = 1024,
+		INVALID_DISCARD_LEVEL = 0x7fff
+	};
+
+	enum EBoostLevel
+	{
+		BOOST_NONE 			= 0,
+		BOOST_AVATAR_BAKED	,
+		BOOST_AVATAR		,
+		BOOST_CLOUDS		,
+		BOOST_SCULPTED      ,
+		
+		BOOST_HIGH 			= 10,
+		BOOST_BUMP          ,
+		BOOST_TERRAIN		, // has to be high priority for minimap / low detail
+		BOOST_SELECTED		,		
+		BOOST_AVATAR_BAKED_SELF	,
+		BOOST_AVATAR_SELF	, // needed for baking avatar
+		BOOST_SUPER_HIGH    , //textures higher than this need to be downloaded at the required resolution without delay.
+		BOOST_HUD			,
+		BOOST_ICON			,
+		BOOST_UI			,
+		BOOST_PREVIEW		,
+		BOOST_MAP			,
+		BOOST_MAP_VISIBLE	,		
+		BOOST_MAX_LEVEL,
+
+		//other texture Categories
+		LOCAL = BOOST_MAX_LEVEL,
+		AVATAR_SCRATCH_TEX,
+		DYNAMIC_TEX,
+		MEDIA,
+		ATLAS,
+		OTHER,
+		MAX_GL_IMAGE_CATEGORY
+	};
+
+	typedef enum 
+	{
+		DELETED = 0,         //removed from memory
+		DELETION_CANDIDATE,  //ready to be removed from memory
+		INACTIVE,            //not be used for the last certain period (i.e., 30 seconds).
+		ACTIVE,              //just being used, can become inactive if not being used for a certain time (10 seconds).
+		NO_DELETE = 99       //stay in memory, can not be removed.
+	} LLGLTextureState;
+
+	static S32 getTotalNumOfCategories() ;
+	static S32 getIndexFromCategory(S32 category) ;
+	static S32 getCategoryFromIndex(S32 index) ;
+
+protected:
+	virtual ~LLGLTexture();
+	LOG_CLASS(LLGLTexture);
+
+public:
+	LLGLTexture(BOOL usemipmaps = TRUE);
+	LLGLTexture(const LLImageRaw* raw, BOOL usemipmaps) ;
+	LLGLTexture(const U32 width, const U32 height, const U8 components, BOOL usemipmaps) ;
+
+	virtual void dump();	// debug info to llinfos
+
+	virtual const LLUUID& getID() const = 0;
+
+	void setBoostLevel(S32 level);
+	S32  getBoostLevel() { return mBoostLevel; }
+
+	S32 getFullWidth() const { return mFullWidth; }
+	S32 getFullHeight() const { return mFullHeight; }	
+
+	void generateGLTexture() ;
+	void destroyGLTexture() ;
+
+	//---------------------------------------------------------------------------------------------
+	//functions to access LLImageGL
+	//---------------------------------------------------------------------------------------------
+	/*virtual*/S32	       getWidth(S32 discard_level = -1) const;
+	/*virtual*/S32	       getHeight(S32 discard_level = -1) const;
+
+	BOOL       hasGLTexture() const ;
+	LLGLuint   getTexName() const ;		
+	BOOL       createGLTexture() ;
+	BOOL       createGLTexture(S32 discard_level, const LLImageRaw* imageraw, S32 usename = 0, BOOL to_create = TRUE, S32 category = LLGLTexture::OTHER);
+
+	void       setFilteringOption(LLTexUnit::eTextureFilterOptions option);
+	void       setExplicitFormat(LLGLint internal_format, LLGLenum primary_format, LLGLenum type_format = 0, BOOL swap_bytes = FALSE);
+	void       setAddressMode(LLTexUnit::eTextureAddressMode mode);
+	BOOL       setSubImage(const LLImageRaw* imageraw, S32 x_pos, S32 y_pos, S32 width, S32 height);
+	BOOL       setSubImage(const U8* datap, S32 data_width, S32 data_height, S32 x_pos, S32 y_pos, S32 width, S32 height);
+	void       setGLTextureCreated (bool initialized);
+	void       setCategory(S32 category) ;
+
+	LLTexUnit::eTextureAddressMode getAddressMode(void) const ;
+	S32        getMaxDiscardLevel() const;
+	S32        getDiscardLevel() const;
+	S8         getComponents() const;
+	BOOL       getBoundRecently() const;
+	S32        getTextureMemory() const ;
+	LLGLenum   getPrimaryFormat() const;
+	BOOL       getIsAlphaMask() const ;
+	LLTexUnit::eTextureType getTarget(void) const ;
+	BOOL       getMask(const LLVector2 &tc);
+	F32        getTimePassedSinceLastBound();
+	BOOL       getMissed() const ;
+	BOOL       isJustBound()const ;
+	void       forceUpdateBindStats(void) const;
+
+	U32        getTexelsInAtlas() const ;
+	U32        getTexelsInGLTexture() const ;
+	BOOL       isGLTextureCreated() const ;
+	S32        getDiscardLevelInAtlas() const ;
+	LLGLTextureState getTextureState() const { return mTextureState; }
+	
+	//---------------------------------------------------------------------------------------------
+	//end of functions to access LLImageGL
+	//---------------------------------------------------------------------------------------------
+
+	//-----------------
+	/*virtual*/ void setActive() ;
+	void forceActive() ;
+	void setNoDelete() ;
+	void dontDiscard() { mDontDiscard = 1; mTextureState = NO_DELETE; }
+	BOOL getDontDiscard() const { return mDontDiscard; }
+	//-----------------	
+
+private:
+	void cleanup();
+	void init();
+
+protected:
+	void setTexelsPerImage();
+
+	//note: do not make this function public.
+	/*virtual*/ LLImageGL* getGLTexture() const ;
+
+protected:
+	S32 mBoostLevel;				// enum describing priority level
+	S32 mFullWidth;
+	S32 mFullHeight;
+	BOOL mUseMipMaps;
+	S8  mComponents;
+	F32 mTexelsPerImage;			// Texels per image.
+	mutable S8  mNeedsGLTexture;
+
+	//GL texture
+	LLPointer<LLImageGL> mGLTexturep ;
+	S8 mDontDiscard;			// Keep full res version of this image (for UI, etc)
+
+protected:
+	LLGLTextureState  mTextureState ;
+
+
+};
+
+#endif // LL_GL_TEXTURE_H
+
diff --git a/indra/llrender/llgltypes.h b/indra/llrender/llgltypes.h
index 6c217ef727..6c217ef727 100644..100755
--- a/indra/llrender/llgltypes.h
+++ b/indra/llrender/llgltypes.h
diff --git a/indra/llrender/llimagegl.cpp b/indra/llrender/llimagegl.cpp
index a4d7872ec2..38764eba23 100755..100644
--- a/indra/llrender/llimagegl.cpp
+++ b/indra/llrender/llimagegl.cpp
@@ -74,6 +74,9 @@ S32 LLImageGL::sCurTexSizeBar = -1 ;
 S32 LLImageGL::sCurTexPickSize = -1 ;
 S32 LLImageGL::sMaxCategories = 1 ;
 
+//optimization for when we don't need to calculate mIsMask
+BOOL LLImageGL::sSkipAnalyzeAlpha;
+
 //------------------------
 //****************************************************************************************************
 //End for texture auditing use only
@@ -169,8 +172,9 @@ BOOL is_little_endian()
 	return (*c == 0x78) ;
 }
 //static 
-void LLImageGL::initClass(S32 num_catagories) 
+void LLImageGL::initClass(S32 num_catagories, BOOL skip_analyze_alpha /* = false */)
 {
+	sSkipAnalyzeAlpha = skip_analyze_alpha;
 }
 
 //static 
@@ -611,14 +615,16 @@ void LLImageGL::setImage(const LLImageRaw* imageraw)
 	setImage(rawdata, FALSE);
 }
 
+static LLFastTimer::DeclareTimer FTM_SET_IMAGE("setImage");
 void LLImageGL::setImage(const U8* data_in, BOOL data_hasmips)
 {
+	LLFastTimer t(FTM_SET_IMAGE);
 	bool is_compressed = false;
 	if (mFormatPrimary >= GL_COMPRESSED_RGBA_S3TC_DXT1_EXT && mFormatPrimary <= GL_COMPRESSED_RGBA_S3TC_DXT5_EXT)
 	{
 		is_compressed = true;
 	}
-
+	
 	
 	
 	if (mUseMipMaps)
@@ -726,6 +732,12 @@ void LLImageGL::setImage(const U8* data_in, BOOL data_hasmips)
 						glPixelStorei(GL_UNPACK_SWAP_BYTES, 0);
 						stop_glerror();
 					}
+
+					if (LLRender::sGLCoreProfile)
+					{
+						glGenerateMipmap(mTarget);
+					}	
+					stop_glerror();
 				}
 			}
 			else
@@ -736,11 +748,16 @@ void LLImageGL::setImage(const U8* data_in, BOOL data_hasmips)
 				S32 height = getHeight(mCurrentDiscardLevel);
 				S32 nummips = mMaxDiscardLevel - mCurrentDiscardLevel + 1;
 				S32 w = width, h = height;
+
+
+				const U8* new_data = 0;
+				(void)new_data;
+
 				const U8* prev_mip_data = 0;
 				const U8* cur_mip_data = 0;
-				S32 prev_mip_size = 0;
+#ifdef SHOW_ASSERT
 				S32 cur_mip_size = 0;
-				
+#endif
 				mMipLevels = nummips;
 
 				for (int m=0; m<nummips; m++)
@@ -748,20 +765,34 @@ void LLImageGL::setImage(const U8* data_in, BOOL data_hasmips)
 					if (m==0)
 					{
 						cur_mip_data = data_in;
+#ifdef SHOW_ASSERT
 						cur_mip_size = width * height * mComponents; 
+#endif
 					}
 					else
 					{
 						S32 bytes = w * h * mComponents;
+#ifdef SHOW_ASSERT
 						llassert(prev_mip_data);
-						llassert(prev_mip_size == bytes*4);
+						llassert(cur_mip_size == bytes*4);
+#endif
 						U8* new_data = new U8[bytes];
+
+#ifdef SHOW_ASSERT
+						llassert(prev_mip_data);
+						llassert(cur_mip_size == bytes*4);
 						llassert_always(new_data);
+#endif
+
 						LLImageBase::generateMip(prev_mip_data, new_data, w, h, mComponents);
 						cur_mip_data = new_data;
+#ifdef SHOW_ASSERT
 						cur_mip_size = bytes; 
+#endif
+
 					}
 					llassert(w > 0 && h > 0 && cur_mip_data);
+					(void)cur_mip_data;
 					{
 // 						LLFastTimer t1(FTM_TEMP4);
 						if(mFormatSwapBytes)
@@ -792,7 +823,6 @@ void LLImageGL::setImage(const U8* data_in, BOOL data_hasmips)
 						delete[] prev_mip_data;
 					}
 					prev_mip_data = cur_mip_data;
-					prev_mip_size = cur_mip_size;
 					w >>= 1;
 					h >>= 1;
 				}
@@ -1053,8 +1083,10 @@ BOOL LLImageGL::setSubImageFromFrameBuffer(S32 fb_x, S32 fb_y, S32 x_pos, S32 y_
 }
 
 // static
+static LLFastTimer::DeclareTimer FTM_GENERATE_TEXTURES("generate textures");
 void LLImageGL::generateTextures(LLTexUnit::eTextureType type, U32 format, S32 numTextures, U32 *textures)
 {
+	LLFastTimer t(FTM_GENERATE_TEXTURES);
 	bool empty = true;
 
 	dead_texturelist_t::iterator iter = sDeadTextureList[type].find(format);
@@ -1084,7 +1116,21 @@ void LLImageGL::deleteTextures(LLTexUnit::eTextureType type, U32 format, S32 mip
 {
 	if (gGLManager.mInited)
 	{
-		if (format == 0 ||  type == LLTexUnit::TT_CUBE_MAP || mip_levels == -1)
+		switch (format)
+		{
+			case 0:
+
+			// We get ARB errors in debug when attempting to use glTexImage2D with these deprecated pix formats
+			//
+			case GL_LUMINANCE8:
+			case GL_INTENSITY8:
+			case GL_ALPHA8:
+				glDeleteTextures(numTextures, textures);
+			break;
+
+			default:
+			{
+				if (type == LLTexUnit::TT_CUBE_MAP || mip_levels == -1)
 		{ //unknown internal format or unknown number of mip levels, not safe to reuse
 			glDeleteTextures(numTextures, textures);
 		}
@@ -1092,11 +1138,13 @@ void LLImageGL::deleteTextures(LLTexUnit::eTextureType type, U32 format, S32 mip
 		{
 			for (S32 i = 0; i < numTextures; ++i)
 			{ //remove texture from VRAM by setting its size to zero
+
 				for (S32 j = 0; j <= mip_levels; j++)
 				{
 					gGL.getTexUnit(0)->bindManual(type, textures[i]);
-
-					glTexImage2D(LLTexUnit::getInternalType(type), j, format, 0, 0, 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
+							U32 internal_type = LLTexUnit::getInternalType(type);
+							glTexImage2D(internal_type, j, format, 0, 0, 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
+							stop_glerror();
 				}
 
 				llassert(std::find(sDeadTextureList[type][format].begin(),
@@ -1107,6 +1155,9 @@ void LLImageGL::deleteTextures(LLTexUnit::eTextureType type, U32 format, S32 mip
 			}	
 		}
 	}
+			break;
+		}
+	}
 	
 	/*if (immediate)
 	{
@@ -1115,8 +1166,10 @@ void LLImageGL::deleteTextures(LLTexUnit::eTextureType type, U32 format, S32 mip
 }
 
 // static
+static LLFastTimer::DeclareTimer FTM_SET_MANUAL_IMAGE("setManualImage");
 void LLImageGL::setManualImage(U32 target, S32 miplevel, S32 intformat, S32 width, S32 height, U32 pixformat, U32 pixtype, const void *pixels, bool allow_compression)
 {
+	LLFastTimer t(FTM_SET_MANUAL_IMAGE);
 	bool use_scratch = false;
 	U32* scratch = NULL;
 	if (LLRender::sGLCoreProfile)
@@ -1220,9 +1273,10 @@ void LLImageGL::setManualImage(U32 target, S32 miplevel, S32 intformat, S32 widt
 
 //create an empty GL texture: just create a texture name
 //the texture is assiciate with some image by calling glTexImage outside LLImageGL
+static LLFastTimer::DeclareTimer FTM_CREATE_GL_TEXTURE1("createGLTexture()");
 BOOL LLImageGL::createGLTexture()
 {
-	if (gHeadlessClient) return FALSE;
+	LLFastTimer t(FTM_CREATE_GL_TEXTURE1);
 	if (gGLManager.mIsDisabled)
 	{
 		llwarns << "Trying to create a texture while GL is disabled!" << llendl;
@@ -1250,9 +1304,10 @@ BOOL LLImageGL::createGLTexture()
 	return TRUE ;
 }
 
+static LLFastTimer::DeclareTimer FTM_CREATE_GL_TEXTURE2("createGLTexture(raw)");
 BOOL LLImageGL::createGLTexture(S32 discard_level, const LLImageRaw* imageraw, S32 usename/*=0*/, BOOL to_create, S32 category)
 {
-	if (gHeadlessClient) return FALSE;
+	LLFastTimer t(FTM_CREATE_GL_TEXTURE2);
 	if (gGLManager.mIsDisabled)
 	{
 		llwarns << "Trying to create a texture while GL is disabled!" << llendl;
@@ -1324,8 +1379,10 @@ BOOL LLImageGL::createGLTexture(S32 discard_level, const LLImageRaw* imageraw, S
 	return createGLTexture(discard_level, rawdata, FALSE, usename);
 }
 
+static LLFastTimer::DeclareTimer FTM_CREATE_GL_TEXTURE3("createGLTexture3(data)");
 BOOL LLImageGL::createGLTexture(S32 discard_level, const U8* data_in, BOOL data_hasmips, S32 usename)
 {
+	LLFastTimer t(FTM_CREATE_GL_TEXTURE3);
 	llassert(data_in);
 	stop_glerror();
 
@@ -1702,6 +1759,12 @@ BOOL LLImageGL::getBoundRecently() const
 	return (BOOL)(sLastFrameTime - mLastBindTime < MIN_TEXTURE_LIFETIME);
 }
 
+BOOL LLImageGL::getIsAlphaMask() const
+{
+	llassert_always(!sSkipAnalyzeAlpha);
+	return mIsMask;
+}
+
 void LLImageGL::setTarget(const LLGLenum target, const LLTexUnit::eTextureType bind_target)
 {
 	mTarget = target;
@@ -1799,7 +1862,7 @@ void LLImageGL::calcAlphaChannelOffsetAndStride()
 
 void LLImageGL::analyzeAlpha(const void* data_in, U32 w, U32 h)
 {
-	if(!mNeedsAlphaAndPickMask)
+	if(sSkipAnalyzeAlpha || !mNeedsAlphaAndPickMask)
 	{
 		return ;
 	}
diff --git a/indra/llrender/llimagegl.h b/indra/llrender/llimagegl.h
index cf3c484c79..57a052b258 100755
--- a/indra/llrender/llimagegl.h
+++ b/indra/llrender/llimagegl.h
@@ -142,7 +142,7 @@ public:
 	BOOL getHasGLTexture() const { return mTexName != 0; }
 	LLGLuint getTexName() const { return mTexName; }
 
-	BOOL getIsAlphaMask() const { return mIsMask; }
+	BOOL getIsAlphaMask() const;
 
 	BOOL getIsResident(BOOL test_now = FALSE); // not const
 
@@ -262,11 +262,12 @@ public:
 #endif
 
 public:
-	static void initClass(S32 num_catagories) ;
+	static void initClass(S32 num_catagories, BOOL skip_analyze_alpha = false); 
 	static void cleanupClass() ;
 
 private:
 	static S32 sMaxCategories;
+	static BOOL sSkipAnalyzeAlpha;
 	
 	//the flag to allow to call readBackRaw(...).
 	//can be removed if we do not use that function at all.
diff --git a/indra/llrender/llpostprocess.cpp b/indra/llrender/llpostprocess.cpp
index c0045c8044..c0045c8044 100644..100755
--- a/indra/llrender/llpostprocess.cpp
+++ b/indra/llrender/llpostprocess.cpp
diff --git a/indra/llrender/llpostprocess.h b/indra/llrender/llpostprocess.h
index e19de44c60..e19de44c60 100644..100755
--- a/indra/llrender/llpostprocess.h
+++ b/indra/llrender/llpostprocess.h
diff --git a/indra/llrender/llrender.cpp b/indra/llrender/llrender.cpp
index 4597d06260..c60eb8d9d9 100644..100755
--- a/indra/llrender/llrender.cpp
+++ b/indra/llrender/llrender.cpp
@@ -357,7 +357,6 @@ bool LLTexUnit::bind(LLCubeMap* cubeMap)
 }
 
 // LLRenderTarget is unavailible on the mapserver since it uses FBOs.
-#if !LL_MESA_HEADLESS
 bool LLTexUnit::bind(LLRenderTarget* renderTarget, bool bindDepth)
 {
 	if (mIndex < 0) return false;
@@ -380,7 +379,6 @@ bool LLTexUnit::bind(LLRenderTarget* renderTarget, bool bindDepth)
 
 	return true;
 }
-#endif // LL_MESA_HEADLESS
 
 bool LLTexUnit::bindManual(eTextureType type, U32 texture, bool hasMips)
 {
diff --git a/indra/llrender/llrender.h b/indra/llrender/llrender.h
index 78a310e525..98222939e7 100644..100755
--- a/indra/llrender/llrender.h
+++ b/indra/llrender/llrender.h
@@ -262,6 +262,14 @@ class LLRender
 	friend class LLTexUnit;
 public:
 
+	enum eTexIndex
+	{
+		DIFFUSE_MAP = 0,
+		NORMAL_MAP,
+		SPECULAR_MAP,
+		NUM_TEXTURE_CHANNELS,
+	};
+	
 	typedef enum {
 		TRIANGLES = 0,
 		TRIANGLE_STRIP,
diff --git a/indra/llrender/llrender2dutils.cpp b/indra/llrender/llrender2dutils.cpp
new file mode 100644
index 0000000000..d3cfbaf03a
--- /dev/null
+++ b/indra/llrender/llrender2dutils.cpp
@@ -0,0 +1,1608 @@
+/** 
+ * @file llrender2dutils.cpp
+ * @brief GL function implementations for immediate-mode gl drawing.
+ *
+ * $LicenseInfo:firstyear=2001&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2010, Linden Research, Inc.
+ * 
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ * 
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ * 
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ */
+
+#include "linden_common.h"
+
+// Linden library includes
+#include "v2math.h"
+#include "m3math.h"
+#include "v4color.h"
+#include "llfontgl.h"
+#include "llrender.h"
+#include "llrect.h"
+#include "llgl.h"
+#include "lltexture.h"
+
+// Project includes
+#include "llrender2dutils.h"
+#include "lluiimage.h"
+
+
+//
+// Globals
+//
+const LLColor4 UI_VERTEX_COLOR(1.f, 1.f, 1.f, 1.f);
+/*static*/ LLVector2		LLRender2D::sGLScaleFactor(1.f, 1.f);
+/*static*/ LLImageProviderInterface* LLRender2D::sImageProvider = NULL;
+
+//
+// Functions
+//
+
+BOOL ui_point_in_rect(S32 x, S32 y, S32 left, S32 top, S32 right, S32 bottom)
+{
+	if (x < left || right < x) return FALSE;
+	if (y < bottom || top < y) return FALSE;
+	return TRUE;
+}
+
+
+// Puts GL into 2D drawing mode by turning off lighting, setting to an
+// orthographic projection, etc.
+void gl_state_for_2d(S32 width, S32 height)
+{
+	stop_glerror();
+	F32 window_width = (F32) width;//gViewerWindow->getWindowWidth();
+	F32 window_height = (F32) height;//gViewerWindow->getWindowHeight();
+
+	gGL.matrixMode(LLRender::MM_PROJECTION);
+	gGL.loadIdentity();
+	gGL.ortho(0.0f, llmax(window_width, 1.f), 0.0f, llmax(window_height,1.f), -1.0f, 1.0f);
+	gGL.matrixMode(LLRender::MM_MODELVIEW);
+	gGL.loadIdentity();
+	stop_glerror();
+}
+
+
+void gl_draw_x(const LLRect& rect, const LLColor4& color)
+{
+	gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
+
+	gGL.color4fv( color.mV );
+
+	gGL.begin( LLRender::LINES );
+		gGL.vertex2i( rect.mLeft,		rect.mTop );
+		gGL.vertex2i( rect.mRight,	rect.mBottom );
+		gGL.vertex2i( rect.mLeft,		rect.mBottom );
+		gGL.vertex2i( rect.mRight,	rect.mTop );
+	gGL.end();
+}
+
+
+void gl_rect_2d_offset_local( S32 left, S32 top, S32 right, S32 bottom, const LLColor4 &color, S32 pixel_offset, BOOL filled)
+{
+	gGL.color4fv(color.mV);
+	gl_rect_2d_offset_local(left, top, right, bottom, pixel_offset, filled);
+}
+
+void gl_rect_2d_offset_local( S32 left, S32 top, S32 right, S32 bottom, S32 pixel_offset, BOOL filled)
+{
+	gGL.pushUIMatrix();
+	left += LLFontGL::sCurOrigin.mX;
+	right += LLFontGL::sCurOrigin.mX;
+	bottom += LLFontGL::sCurOrigin.mY;
+	top += LLFontGL::sCurOrigin.mY;
+
+	gGL.loadUIIdentity();
+	gl_rect_2d(llfloor((F32)left * LLRender2D::sGLScaleFactor.mV[VX]) - pixel_offset,
+				llfloor((F32)top * LLRender2D::sGLScaleFactor.mV[VY]) + pixel_offset,
+				llfloor((F32)right * LLRender2D::sGLScaleFactor.mV[VX]) + pixel_offset,
+				llfloor((F32)bottom * LLRender2D::sGLScaleFactor.mV[VY]) - pixel_offset,
+				filled);
+	gGL.popUIMatrix();
+}
+
+
+void gl_rect_2d(S32 left, S32 top, S32 right, S32 bottom, BOOL filled )
+{
+	stop_glerror();
+	gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
+
+	// Counterclockwise quad will face the viewer
+	if( filled )
+	{ 
+		gGL.begin( LLRender::QUADS );
+			gGL.vertex2i(left, top);
+			gGL.vertex2i(left, bottom);
+			gGL.vertex2i(right, bottom);
+			gGL.vertex2i(right, top);
+		gGL.end();
+	}
+	else
+	{
+		if( gGLManager.mATIOffsetVerticalLines )
+		{
+			// Work around bug in ATI driver: vertical lines are offset by (-1,-1)
+			gGL.begin( LLRender::LINES );
+
+				// Verticals 
+				gGL.vertex2i(left + 1, top);
+				gGL.vertex2i(left + 1, bottom);
+
+				gGL.vertex2i(right, bottom);
+				gGL.vertex2i(right, top);
+
+				// Horizontals
+				top--;
+				right--;
+				gGL.vertex2i(left, bottom);
+				gGL.vertex2i(right, bottom);
+
+				gGL.vertex2i(left, top);
+				gGL.vertex2i(right, top);
+			gGL.end();
+		}
+		else
+		{
+			top--;
+			right--;
+			gGL.begin( LLRender::LINE_STRIP );
+				gGL.vertex2i(left, top);
+				gGL.vertex2i(left, bottom);
+				gGL.vertex2i(right, bottom);
+				gGL.vertex2i(right, top);
+				gGL.vertex2i(left, top);
+			gGL.end();
+		}
+	}
+	stop_glerror();
+}
+
+void gl_rect_2d(S32 left, S32 top, S32 right, S32 bottom, const LLColor4 &color, BOOL filled )
+{
+	gGL.color4fv( color.mV );
+	gl_rect_2d( left, top, right, bottom, filled );
+}
+
+
+void gl_rect_2d( const LLRect& rect, const LLColor4& color, BOOL filled )
+{
+	gGL.color4fv( color.mV );
+	gl_rect_2d( rect.mLeft, rect.mTop, rect.mRight, rect.mBottom, filled );
+}
+
+// Given a rectangle on the screen, draws a drop shadow _outside_
+// the right and bottom edges of it.  Along the right it has width "lines"
+// and along the bottom it has height "lines".
+void gl_drop_shadow(S32 left, S32 top, S32 right, S32 bottom, const LLColor4 &start_color, S32 lines)
+{
+	stop_glerror();
+	gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
+	
+	// HACK: Overlap with the rectangle by a single pixel.
+	right--;
+	bottom++;
+	lines++;
+
+	LLColor4 end_color = start_color;
+	end_color.mV[VALPHA] = 0.f;
+
+	gGL.begin(LLRender::QUADS);
+
+	// Right edge, CCW faces screen
+	gGL.color4fv(start_color.mV);
+	gGL.vertex2i(right,		top-lines);
+	gGL.vertex2i(right,		bottom);
+	gGL.color4fv(end_color.mV);
+	gGL.vertex2i(right+lines, bottom);
+	gGL.vertex2i(right+lines, top-lines);
+
+	// Bottom edge, CCW faces screen
+	gGL.color4fv(start_color.mV);
+	gGL.vertex2i(right,		bottom);
+	gGL.vertex2i(left+lines,	bottom);
+	gGL.color4fv(end_color.mV);
+	gGL.vertex2i(left+lines,	bottom-lines);
+	gGL.vertex2i(right,		bottom-lines);
+
+	// bottom left Corner
+	gGL.color4fv(start_color.mV);
+	gGL.vertex2i(left+lines,	bottom);
+	gGL.color4fv(end_color.mV);
+	gGL.vertex2i(left,		bottom);
+	// make the bottom left corner not sharp
+	gGL.vertex2i(left+1,		bottom-lines+1);
+	gGL.vertex2i(left+lines,	bottom-lines);
+
+	// bottom right corner
+	gGL.color4fv(start_color.mV);
+	gGL.vertex2i(right,		bottom);
+	gGL.color4fv(end_color.mV);
+	gGL.vertex2i(right,		bottom-lines);
+	// make the rightmost corner not sharp
+	gGL.vertex2i(right+lines-1,	bottom-lines+1);
+	gGL.vertex2i(right+lines,	bottom);
+
+	// top right corner
+	gGL.color4fv(start_color.mV);
+	gGL.vertex2i( right,			top-lines );
+	gGL.color4fv(end_color.mV);
+	gGL.vertex2i( right+lines,	top-lines );
+	// make the corner not sharp
+	gGL.vertex2i( right+lines-1,	top-1 );
+	gGL.vertex2i( right,			top );
+
+	gGL.end();
+	stop_glerror();
+}
+
+void gl_line_2d(S32 x1, S32 y1, S32 x2, S32 y2 )
+{
+	// Work around bug in ATI driver: vertical lines are offset by (-1,-1)
+	if( (x1 == x2) && gGLManager.mATIOffsetVerticalLines )
+	{
+		x1++;
+		x2++;
+		y1++;
+		y2++;
+	}
+
+	gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
+	
+	gGL.begin(LLRender::LINES);
+		gGL.vertex2i(x1, y1);
+		gGL.vertex2i(x2, y2);
+	gGL.end();
+}
+
+void gl_line_2d(S32 x1, S32 y1, S32 x2, S32 y2, const LLColor4 &color )
+{
+	// Work around bug in ATI driver: vertical lines are offset by (-1,-1)
+	if( (x1 == x2) && gGLManager.mATIOffsetVerticalLines )
+	{
+		x1++;
+		x2++;
+		y1++;
+		y2++;
+	}
+
+	gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
+
+	gGL.color4fv( color.mV );
+
+	gGL.begin(LLRender::LINES);
+		gGL.vertex2i(x1, y1);
+		gGL.vertex2i(x2, y2);
+	gGL.end();
+}
+
+void gl_triangle_2d(S32 x1, S32 y1, S32 x2, S32 y2, S32 x3, S32 y3, const LLColor4& color, BOOL filled)
+{
+	gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
+
+	gGL.color4fv(color.mV);
+
+	if (filled)
+	{
+		gGL.begin(LLRender::TRIANGLES);
+	}
+	else
+	{
+		gGL.begin(LLRender::LINE_LOOP);
+	}
+	gGL.vertex2i(x1, y1);
+	gGL.vertex2i(x2, y2);
+	gGL.vertex2i(x3, y3);
+	gGL.end();
+}
+
+void gl_corners_2d(S32 left, S32 top, S32 right, S32 bottom, S32 length, F32 max_frac)
+{
+	gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
+
+	length = llmin((S32)(max_frac*(right - left)), length);
+	length = llmin((S32)(max_frac*(top - bottom)), length);
+	gGL.begin(LLRender::LINES);
+	gGL.vertex2i(left, top);
+	gGL.vertex2i(left + length, top);
+	
+	gGL.vertex2i(left, top);
+	gGL.vertex2i(left, top - length);
+
+	gGL.vertex2i(left, bottom);
+	gGL.vertex2i(left + length, bottom);
+	
+	gGL.vertex2i(left, bottom);
+	gGL.vertex2i(left, bottom + length);
+
+	gGL.vertex2i(right, top);
+	gGL.vertex2i(right - length, top);
+
+	gGL.vertex2i(right, top);
+	gGL.vertex2i(right, top - length);
+
+	gGL.vertex2i(right, bottom);
+	gGL.vertex2i(right - length, bottom);
+
+	gGL.vertex2i(right, bottom);
+	gGL.vertex2i(right, bottom + length);
+	gGL.end();
+}
+
+
+void gl_draw_image( S32 x, S32 y, LLTexture* image, const LLColor4& color, const LLRectf& uv_rect )
+{
+	if (NULL == image)
+	{
+		llwarns << "image == NULL; aborting function" << llendl;
+		return;
+	}
+	gl_draw_scaled_rotated_image( x, y, image->getWidth(0), image->getHeight(0), 0.f, image, color, uv_rect );
+}
+
+void gl_draw_scaled_image(S32 x, S32 y, S32 width, S32 height, LLTexture* image, const LLColor4& color, const LLRectf& uv_rect)
+{
+	if (NULL == image)
+	{
+		llwarns << "image == NULL; aborting function" << llendl;
+		return;
+	}
+	gl_draw_scaled_rotated_image( x, y, width, height, 0.f, image, color, uv_rect );
+}
+
+void gl_draw_scaled_image_with_border(S32 x, S32 y, S32 border_width, S32 border_height, S32 width, S32 height, LLTexture* image, const LLColor4& color, BOOL solid_color, const LLRectf& uv_rect)
+{
+	if (NULL == image)
+	{
+		llwarns << "image == NULL; aborting function" << llendl;
+		return;
+	}
+
+	// scale screen size of borders down
+	F32 border_width_fraction = (F32)border_width / (F32)image->getWidth(0);
+	F32 border_height_fraction = (F32)border_height / (F32)image->getHeight(0);
+
+	LLRectf scale_rect(border_width_fraction, 1.f - border_height_fraction, 1.f - border_width_fraction, border_height_fraction);
+	gl_draw_scaled_image_with_border(x, y, width, height, image, color, solid_color, uv_rect, scale_rect);
+}
+
+void gl_draw_scaled_image_with_border(S32 x, S32 y, S32 width, S32 height, LLTexture* image, const LLColor4& color, BOOL solid_color, const LLRectf& uv_outer_rect, const LLRectf& center_rect)
+{
+	stop_glerror();
+
+	if (NULL == image)
+	{
+		llwarns << "image == NULL; aborting function" << llendl;
+		return;
+	}
+
+	// add in offset of current image to current UI translation
+	const LLVector3 ui_scale = gGL.getUIScale();
+	const LLVector3 ui_translation = (gGL.getUITranslation() + LLVector3(x, y, 0.f)).scaledVec(ui_scale);
+
+	F32 uv_width = uv_outer_rect.getWidth();
+	F32 uv_height = uv_outer_rect.getHeight();
+
+	// shrink scaling region to be proportional to clipped image region
+	LLRectf uv_center_rect(
+		uv_outer_rect.mLeft + (center_rect.mLeft * uv_width),
+		uv_outer_rect.mBottom + (center_rect.mTop * uv_height),
+		uv_outer_rect.mLeft + (center_rect.mRight * uv_width),
+		uv_outer_rect.mBottom + (center_rect.mBottom * uv_height));
+
+	F32 image_width = image->getWidth(0);
+	F32 image_height = image->getHeight(0);
+
+	S32 image_natural_width = llround(image_width * uv_width);
+	S32 image_natural_height = llround(image_height * uv_height);
+
+	LLRectf draw_center_rect(	uv_center_rect.mLeft * image_width,
+								uv_center_rect.mTop * image_height,
+								uv_center_rect.mRight * image_width,
+								uv_center_rect.mBottom * image_height);
+
+	{	// scale fixed region of image to drawn region
+		draw_center_rect.mRight += width - image_natural_width;
+		draw_center_rect.mTop += height - image_natural_height;
+
+		F32 border_shrink_width = llmax(0.f, draw_center_rect.mLeft - draw_center_rect.mRight);
+		F32 border_shrink_height = llmax(0.f, draw_center_rect.mBottom - draw_center_rect.mTop);
+
+		F32 shrink_width_ratio = center_rect.getWidth() == 1.f ? 0.f : border_shrink_width / ((F32)image_natural_width * (1.f - center_rect.getWidth()));
+		F32 shrink_height_ratio = center_rect.getHeight() == 1.f ? 0.f : border_shrink_height / ((F32)image_natural_height * (1.f - center_rect.getHeight()));
+
+		F32 shrink_scale = 1.f - llmax(shrink_width_ratio, shrink_height_ratio);
+
+		draw_center_rect.mLeft = llround(ui_translation.mV[VX] + (F32)draw_center_rect.mLeft * shrink_scale * ui_scale.mV[VX]);
+		draw_center_rect.mTop = llround(ui_translation.mV[VY] + lerp((F32)height, (F32)draw_center_rect.mTop, shrink_scale) * ui_scale.mV[VY]);
+		draw_center_rect.mRight = llround(ui_translation.mV[VX] + lerp((F32)width, (F32)draw_center_rect.mRight, shrink_scale) * ui_scale.mV[VX]);
+		draw_center_rect.mBottom = llround(ui_translation.mV[VY] + (F32)draw_center_rect.mBottom * shrink_scale * ui_scale.mV[VY]);
+	}
+
+	LLRectf draw_outer_rect(ui_translation.mV[VX], 
+							ui_translation.mV[VY] + height * ui_scale.mV[VY], 
+							ui_translation.mV[VX] + width * ui_scale.mV[VX], 
+							ui_translation.mV[VY]);
+
+	LLGLSUIDefault gls_ui;
+	
+	if (solid_color)
+	{
+		if (LLGLSLShader::sNoFixedFunction)
+		{
+			gSolidColorProgram.bind();
+		}
+		else
+		{
+			gGL.getTexUnit(0)->setTextureColorBlend(LLTexUnit::TBO_REPLACE, LLTexUnit::TBS_PREV_COLOR);
+			gGL.getTexUnit(0)->setTextureAlphaBlend(LLTexUnit::TBO_MULT, LLTexUnit::TBS_TEX_ALPHA, LLTexUnit::TBS_VERT_ALPHA);
+		}
+	}
+
+	gGL.getTexUnit(0)->bind(image, true);
+
+	gGL.color4fv(color.mV);
+	
+	const S32 NUM_VERTICES = 9 * 4; // 9 quads
+	LLVector2 uv[NUM_VERTICES];
+	LLVector3 pos[NUM_VERTICES];
+
+	S32 index = 0;
+
+	gGL.begin(LLRender::QUADS);
+	{
+		// draw bottom left
+		uv[index] = LLVector2(uv_outer_rect.mLeft, uv_outer_rect.mBottom);
+		pos[index] = LLVector3(draw_outer_rect.mLeft, draw_outer_rect.mBottom, 0.f);
+		index++;
+
+		uv[index] = LLVector2(uv_center_rect.mLeft, uv_outer_rect.mBottom);
+		pos[index] = LLVector3(draw_center_rect.mLeft, draw_outer_rect.mBottom, 0.f);
+		index++;
+
+		uv[index] = LLVector2(uv_center_rect.mLeft, uv_center_rect.mBottom);
+		pos[index] = LLVector3(draw_center_rect.mLeft, draw_center_rect.mBottom, 0.f);
+		index++;
+
+		uv[index] = LLVector2(uv_outer_rect.mLeft, uv_center_rect.mBottom);
+		pos[index] = LLVector3(draw_outer_rect.mLeft, draw_center_rect.mBottom, 0.f);
+		index++;
+
+		// draw bottom middle
+		uv[index] = LLVector2(uv_center_rect.mLeft, uv_outer_rect.mBottom);
+		pos[index] = LLVector3(draw_center_rect.mLeft, draw_outer_rect.mBottom, 0.f);
+		index++;
+
+		uv[index] = LLVector2(uv_center_rect.mRight, uv_outer_rect.mBottom);
+		pos[index] = LLVector3(draw_center_rect.mRight, draw_outer_rect.mBottom, 0.f);
+		index++;
+
+		uv[index] = LLVector2(uv_center_rect.mRight, uv_center_rect.mBottom);
+		pos[index] = LLVector3(draw_center_rect.mRight, draw_center_rect.mBottom, 0.f);
+		index++;
+
+		uv[index] = LLVector2(uv_center_rect.mLeft, uv_center_rect.mBottom);
+		pos[index] = LLVector3(draw_center_rect.mLeft, draw_center_rect.mBottom, 0.f);
+		index++;
+
+		// draw bottom right
+		uv[index] = LLVector2(uv_center_rect.mRight, uv_outer_rect.mBottom);
+		pos[index] = LLVector3(draw_center_rect.mRight, draw_outer_rect.mBottom, 0.f);
+		index++;
+
+		uv[index] = LLVector2(uv_outer_rect.mRight, uv_outer_rect.mBottom);
+		pos[index] = LLVector3(draw_outer_rect.mRight, draw_outer_rect.mBottom, 0.f);
+		index++;
+
+		uv[index] = LLVector2(uv_outer_rect.mRight, uv_center_rect.mBottom);
+		pos[index] = LLVector3(draw_outer_rect.mRight, draw_center_rect.mBottom, 0.f);
+		index++;
+
+		uv[index] = LLVector2(uv_center_rect.mRight, uv_center_rect.mBottom);
+		pos[index] = LLVector3(draw_center_rect.mRight, draw_center_rect.mBottom, 0.f);
+		index++;
+
+		// draw left 
+		uv[index] = LLVector2(uv_outer_rect.mLeft, uv_center_rect.mBottom);
+		pos[index] = LLVector3(draw_outer_rect.mLeft, draw_center_rect.mBottom, 0.f);
+		index++;
+
+		uv[index] = LLVector2(uv_center_rect.mLeft, uv_center_rect.mBottom);
+		pos[index] = LLVector3(draw_center_rect.mLeft, draw_center_rect.mBottom, 0.f);
+		index++;
+
+		uv[index] = LLVector2(uv_center_rect.mLeft, uv_center_rect.mTop);
+		pos[index] = LLVector3(draw_center_rect.mLeft, draw_center_rect.mTop, 0.f);
+		index++;
+
+		uv[index] = LLVector2(uv_outer_rect.mLeft, uv_center_rect.mTop);
+		pos[index] = LLVector3(draw_outer_rect.mLeft, draw_center_rect.mTop, 0.f);
+		index++;
+
+		// draw middle
+		uv[index] = LLVector2(uv_center_rect.mLeft, uv_center_rect.mBottom);
+		pos[index] = LLVector3(draw_center_rect.mLeft, draw_center_rect.mBottom, 0.f);
+		index++;
+
+		uv[index] = LLVector2(uv_center_rect.mRight, uv_center_rect.mBottom);
+		pos[index] = LLVector3(draw_center_rect.mRight, draw_center_rect.mBottom, 0.f);
+		index++;
+
+		uv[index] = LLVector2(uv_center_rect.mRight, uv_center_rect.mTop);
+		pos[index] = LLVector3(draw_center_rect.mRight, draw_center_rect.mTop, 0.f);
+		index++;
+
+		uv[index] = LLVector2(uv_center_rect.mLeft, uv_center_rect.mTop);
+		pos[index] = LLVector3(draw_center_rect.mLeft, draw_center_rect.mTop, 0.f);
+		index++;
+
+		// draw right 
+		uv[index] = LLVector2(uv_center_rect.mRight, uv_center_rect.mBottom);
+		pos[index] = LLVector3(draw_center_rect.mRight, draw_center_rect.mBottom, 0.f);
+		index++;
+
+		uv[index] = LLVector2(uv_outer_rect.mRight, uv_center_rect.mBottom);
+		pos[index] = LLVector3(draw_outer_rect.mRight, draw_center_rect.mBottom, 0.f);
+		index++;
+
+		uv[index] = LLVector2(uv_outer_rect.mRight, uv_center_rect.mTop);
+		pos[index] = LLVector3(draw_outer_rect.mRight, draw_center_rect.mTop, 0.f);
+		index++;
+
+		uv[index] = LLVector2(uv_center_rect.mRight, uv_center_rect.mTop);
+		pos[index] = LLVector3(draw_center_rect.mRight, draw_center_rect.mTop, 0.f);
+		index++;
+
+		// draw top left
+		uv[index] = LLVector2(uv_outer_rect.mLeft, uv_center_rect.mTop);
+		pos[index] = LLVector3(draw_outer_rect.mLeft, draw_center_rect.mTop, 0.f);
+		index++;
+
+		uv[index] = LLVector2(uv_center_rect.mLeft, uv_center_rect.mTop);
+		pos[index] = LLVector3(draw_center_rect.mLeft, draw_center_rect.mTop, 0.f);
+		index++;
+
+		uv[index] = LLVector2(uv_center_rect.mLeft, uv_outer_rect.mTop);
+		pos[index] = LLVector3(draw_center_rect.mLeft, draw_outer_rect.mTop, 0.f);
+		index++;
+
+		uv[index] = LLVector2(uv_outer_rect.mLeft, uv_outer_rect.mTop);
+		pos[index] = LLVector3(draw_outer_rect.mLeft, draw_outer_rect.mTop, 0.f);
+		index++;
+
+		// draw top middle
+		uv[index] = LLVector2(uv_center_rect.mLeft, uv_center_rect.mTop);
+		pos[index] = LLVector3(draw_center_rect.mLeft, draw_center_rect.mTop, 0.f);
+		index++;
+
+		uv[index] = LLVector2(uv_center_rect.mRight, uv_center_rect.mTop);
+		pos[index] = LLVector3(draw_center_rect.mRight, draw_center_rect.mTop, 0.f);
+		index++;
+
+		uv[index] = LLVector2(uv_center_rect.mRight, uv_outer_rect.mTop);
+		pos[index] = LLVector3(draw_center_rect.mRight, draw_outer_rect.mTop, 0.f);
+		index++;
+
+		uv[index] = LLVector2(uv_center_rect.mLeft, uv_outer_rect.mTop);
+		pos[index] = LLVector3(draw_center_rect.mLeft, draw_outer_rect.mTop, 0.f);
+		index++;
+
+		// draw top right
+		uv[index] = LLVector2(uv_center_rect.mRight, uv_center_rect.mTop);
+		pos[index] = LLVector3(draw_center_rect.mRight, draw_center_rect.mTop, 0.f);
+		index++;
+
+		uv[index] = LLVector2(uv_outer_rect.mRight, uv_center_rect.mTop);
+		pos[index] = LLVector3(draw_outer_rect.mRight, draw_center_rect.mTop, 0.f);
+		index++;
+
+		uv[index] = LLVector2(uv_outer_rect.mRight, uv_outer_rect.mTop);
+		pos[index] = LLVector3(draw_outer_rect.mRight, draw_outer_rect.mTop, 0.f);
+		index++;
+
+		uv[index] = LLVector2(uv_center_rect.mRight, uv_outer_rect.mTop);
+		pos[index] = LLVector3(draw_center_rect.mRight, draw_outer_rect.mTop, 0.f);
+		index++;
+
+		gGL.vertexBatchPreTransformed(pos, uv, NUM_VERTICES);
+	}
+	gGL.end();
+
+	if (solid_color)
+	{
+		if (LLGLSLShader::sNoFixedFunction)
+		{
+			gUIProgram.bind();
+		}
+		else
+		{
+			gGL.getTexUnit(0)->setTextureBlendType(LLTexUnit::TB_MULT);
+		}
+	}
+}
+
+void gl_draw_rotated_image(S32 x, S32 y, F32 degrees, LLTexture* image, const LLColor4& color, const LLRectf& uv_rect)
+{
+	gl_draw_scaled_rotated_image( x, y, image->getWidth(0), image->getHeight(0), degrees, image, color, uv_rect );
+}
+
+void gl_draw_scaled_rotated_image(S32 x, S32 y, S32 width, S32 height, F32 degrees, LLTexture* image, const LLColor4& color, const LLRectf& uv_rect)
+{
+	if (NULL == image)
+	{
+		llwarns << "image == NULL; aborting function" << llendl;
+		return;
+	}
+
+	LLGLSUIDefault gls_ui;
+
+
+	gGL.getTexUnit(0)->bind(image, true);
+
+	gGL.color4fv(color.mV);
+
+	if (degrees == 0.f)
+	{
+		const S32 NUM_VERTICES = 4; // 9 quads
+		LLVector2 uv[NUM_VERTICES];
+		LLVector3 pos[NUM_VERTICES];
+
+		gGL.begin(LLRender::QUADS);
+		{
+			LLVector3 ui_scale = gGL.getUIScale();
+			LLVector3 ui_translation = gGL.getUITranslation();
+			ui_translation.mV[VX] += x;
+			ui_translation.mV[VY] += y;
+			ui_translation.scaleVec(ui_scale);
+			S32 index = 0;
+			S32 scaled_width = llround(width * ui_scale.mV[VX]);
+			S32 scaled_height = llround(height * ui_scale.mV[VY]);
+
+			uv[index] = LLVector2(uv_rect.mRight, uv_rect.mTop);
+			pos[index] = LLVector3(ui_translation.mV[VX] + scaled_width, ui_translation.mV[VY] + scaled_height, 0.f);
+			index++;
+
+			uv[index] = LLVector2(uv_rect.mLeft, uv_rect.mTop);
+			pos[index] = LLVector3(ui_translation.mV[VX], ui_translation.mV[VY] + scaled_height, 0.f);
+			index++;
+
+			uv[index] = LLVector2(uv_rect.mLeft, uv_rect.mBottom);
+			pos[index] = LLVector3(ui_translation.mV[VX], ui_translation.mV[VY], 0.f);
+			index++;
+
+			uv[index] = LLVector2(uv_rect.mRight, uv_rect.mBottom);
+			pos[index] = LLVector3(ui_translation.mV[VX] + scaled_width, ui_translation.mV[VY], 0.f);
+			index++;
+
+			gGL.vertexBatchPreTransformed(pos, uv, NUM_VERTICES);
+		}
+		gGL.end();
+	}
+	else
+	{
+		gGL.pushUIMatrix();
+		gGL.translateUI((F32)x, (F32)y, 0.f);
+	
+		F32 offset_x = F32(width/2);
+		F32 offset_y = F32(height/2);
+
+		gGL.translateUI(offset_x, offset_y, 0.f);
+
+		LLMatrix3 quat(0.f, 0.f, degrees*DEG_TO_RAD);
+		
+		gGL.getTexUnit(0)->bind(image, true);
+
+		gGL.color4fv(color.mV);
+		
+		gGL.begin(LLRender::QUADS);
+		{
+			LLVector3 v;
+
+			v = LLVector3(offset_x, offset_y, 0.f) * quat;
+			gGL.texCoord2f(uv_rect.mRight, uv_rect.mTop);
+			gGL.vertex2f(v.mV[0], v.mV[1] );
+
+			v = LLVector3(-offset_x, offset_y, 0.f) * quat;
+			gGL.texCoord2f(uv_rect.mLeft, uv_rect.mTop);
+			gGL.vertex2f(v.mV[0], v.mV[1] );
+
+			v = LLVector3(-offset_x, -offset_y, 0.f) * quat;
+			gGL.texCoord2f(uv_rect.mLeft, uv_rect.mBottom);
+			gGL.vertex2f(v.mV[0], v.mV[1] );
+
+			v = LLVector3(offset_x, -offset_y, 0.f) * quat;
+			gGL.texCoord2f(uv_rect.mRight, uv_rect.mBottom);
+			gGL.vertex2f(v.mV[0], v.mV[1] );
+		}
+		gGL.end();
+		gGL.popUIMatrix();
+	}
+}
+
+
+void gl_stippled_line_3d( const LLVector3& start, const LLVector3& end, const LLColor4& color, F32 phase )
+{
+	phase = fmod(phase, 1.f);
+
+	S32 shift = S32(phase * 4.f) % 4;
+
+	// Stippled line
+	LLGLEnable stipple(GL_LINE_STIPPLE);
+	
+	gGL.color4f(color.mV[VRED], color.mV[VGREEN], color.mV[VBLUE], color.mV[VALPHA]);
+
+	gGL.flush();
+	glLineWidth(2.5f);
+
+	if (!LLGLSLShader::sNoFixedFunction)
+	{
+		glLineStipple(2, 0x3333 << shift);
+	}
+
+	gGL.begin(LLRender::LINES);
+	{
+		gGL.vertex3fv( start.mV );
+		gGL.vertex3fv( end.mV );
+	}
+	gGL.end();
+
+	LLRender2D::setLineWidth(1.f);
+}
+
+void gl_arc_2d(F32 center_x, F32 center_y, F32 radius, S32 steps, BOOL filled, F32 start_angle, F32 end_angle)
+{
+	if (end_angle < start_angle)
+	{
+		end_angle += F_TWO_PI;
+	}
+
+	gGL.pushUIMatrix();
+	{
+		gGL.translateUI(center_x, center_y, 0.f);
+
+		// Inexact, but reasonably fast.
+		F32 delta = (end_angle - start_angle) / steps;
+		F32 sin_delta = sin( delta );
+		F32 cos_delta = cos( delta );
+		F32 x = cosf(start_angle) * radius;
+		F32 y = sinf(start_angle) * radius;
+
+		if (filled)
+		{
+			gGL.begin(LLRender::TRIANGLE_FAN);
+			gGL.vertex2f(0.f, 0.f);
+			// make sure circle is complete
+			steps += 1;
+		}
+		else
+		{
+			gGL.begin(LLRender::LINE_STRIP);
+		}
+
+		while( steps-- )
+		{
+			// Successive rotations
+			gGL.vertex2f( x, y );
+			F32 x_new = x * cos_delta - y * sin_delta;
+			y = x * sin_delta +  y * cos_delta;
+			x = x_new;
+		}
+		gGL.end();
+	}
+	gGL.popUIMatrix();
+}
+
+void gl_circle_2d(F32 center_x, F32 center_y, F32 radius, S32 steps, BOOL filled)
+{
+	gGL.pushUIMatrix();
+	{
+		gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
+		gGL.translateUI(center_x, center_y, 0.f);
+
+		// Inexact, but reasonably fast.
+		F32 delta = F_TWO_PI / steps;
+		F32 sin_delta = sin( delta );
+		F32 cos_delta = cos( delta );
+		F32 x = radius;
+		F32 y = 0.f;
+
+		if (filled)
+		{
+			gGL.begin(LLRender::TRIANGLE_FAN);
+			gGL.vertex2f(0.f, 0.f);
+			// make sure circle is complete
+			steps += 1;
+		}
+		else
+		{
+			gGL.begin(LLRender::LINE_LOOP);
+		}
+
+		while( steps-- )
+		{
+			// Successive rotations
+			gGL.vertex2f( x, y );
+			F32 x_new = x * cos_delta - y * sin_delta;
+			y = x * sin_delta +  y * cos_delta;
+			x = x_new;
+		}
+		gGL.end();
+	}
+	gGL.popUIMatrix();
+}
+
+// Renders a ring with sides (tube shape)
+void gl_deep_circle( F32 radius, F32 depth, S32 steps )
+{
+	F32 x = radius;
+	F32 y = 0.f;
+	F32 angle_delta = F_TWO_PI / (F32)steps;
+	gGL.begin( LLRender::TRIANGLE_STRIP  );
+	{
+		S32 step = steps + 1; // An extra step to close the circle.
+		while( step-- )
+		{
+			gGL.vertex3f( x, y, depth );
+			gGL.vertex3f( x, y, 0.f );
+
+			F32 x_new = x * cosf(angle_delta) - y * sinf(angle_delta);
+			y = x * sinf(angle_delta) +  y * cosf(angle_delta);
+			x = x_new;
+		}
+	}
+	gGL.end();
+}
+
+void gl_ring( F32 radius, F32 width, const LLColor4& center_color, const LLColor4& side_color, S32 steps, BOOL render_center )
+{
+	gGL.pushUIMatrix();
+	{
+		gGL.translateUI(0.f, 0.f, -width / 2);
+		if( render_center )
+		{
+			gGL.color4fv(center_color.mV);
+			gGL.diffuseColor4fv(center_color.mV);
+			gl_deep_circle( radius, width, steps );
+		}
+		else
+		{
+			gGL.diffuseColor4fv(side_color.mV);
+			gl_washer_2d(radius, radius - width, steps, side_color, side_color);
+			gGL.translateUI(0.f, 0.f, width);
+			gl_washer_2d(radius - width, radius, steps, side_color, side_color);
+		}
+	}
+	gGL.popUIMatrix();
+}
+
+// Draw gray and white checkerboard with black border
+void gl_rect_2d_checkerboard(const LLRect& rect, GLfloat alpha)
+{
+	if (!LLGLSLShader::sNoFixedFunction)
+	{ 
+	// Initialize the first time this is called.
+	const S32 PIXELS = 32;
+	static GLubyte checkerboard[PIXELS * PIXELS];
+	static BOOL first = TRUE;
+	if( first )
+	{
+		for( S32 i = 0; i < PIXELS; i++ )
+		{
+			for( S32 j = 0; j < PIXELS; j++ )
+			{
+				checkerboard[i * PIXELS + j] = ((i & 1) ^ (j & 1)) * 0xFF;
+			}
+		}
+		first = FALSE;
+	}
+	
+	gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
+
+	// ...white squares
+	gGL.color4f( 1.f, 1.f, 1.f, alpha );
+	gl_rect_2d(rect);
+
+	// ...gray squares
+	gGL.color4f( .7f, .7f, .7f, alpha );
+	gGL.flush();
+
+		glPolygonStipple( checkerboard );
+
+		LLGLEnable polygon_stipple(GL_POLYGON_STIPPLE);
+		gl_rect_2d(rect);
+	}
+	else
+	{ //polygon stipple is deprecated, use "Checker" texture
+		LLPointer<LLUIImage> img = LLRender2D::getUIImage("Checker");
+		gGL.getTexUnit(0)->bind(img->getImage());
+		gGL.getTexUnit(0)->setTextureAddressMode(LLTexUnit::TAM_WRAP);
+		gGL.getTexUnit(0)->setTextureFilteringOption(LLTexUnit::TFO_POINT);
+
+		LLColor4 color(1.f, 1.f, 1.f, alpha);
+		LLRectf uv_rect(0, 0, rect.getWidth()/32.f, rect.getHeight()/32.f);
+
+		gl_draw_scaled_image(rect.mLeft, rect.mBottom, rect.getWidth(), rect.getHeight(),
+			img->getImage(), color, uv_rect);
+	}
+	
+	gGL.flush();
+}
+
+
+// Draws the area between two concentric circles, like
+// a doughnut or washer.
+void gl_washer_2d(F32 outer_radius, F32 inner_radius, S32 steps, const LLColor4& inner_color, const LLColor4& outer_color)
+{
+	const F32 DELTA = F_TWO_PI / steps;
+	const F32 SIN_DELTA = sin( DELTA );
+	const F32 COS_DELTA = cos( DELTA );
+
+	F32 x1 = outer_radius;
+	F32 y1 = 0.f;
+	F32 x2 = inner_radius;
+	F32 y2 = 0.f;
+
+	gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
+
+	gGL.begin( LLRender::TRIANGLE_STRIP  );
+	{
+		steps += 1; // An extra step to close the circle.
+		while( steps-- )
+		{
+			gGL.color4fv(outer_color.mV);
+			gGL.vertex2f( x1, y1 );
+			gGL.color4fv(inner_color.mV);
+			gGL.vertex2f( x2, y2 );
+
+			F32 x1_new = x1 * COS_DELTA - y1 * SIN_DELTA;
+			y1 = x1 * SIN_DELTA +  y1 * COS_DELTA;
+			x1 = x1_new;
+
+			F32 x2_new = x2 * COS_DELTA - y2 * SIN_DELTA;
+			y2 = x2 * SIN_DELTA +  y2 * COS_DELTA;
+			x2 = x2_new;
+		}
+	}
+	gGL.end();
+}
+
+// Draws the area between two concentric circles, like
+// a doughnut or washer.
+void gl_washer_segment_2d(F32 outer_radius, F32 inner_radius, F32 start_radians, F32 end_radians, S32 steps, const LLColor4& inner_color, const LLColor4& outer_color)
+{
+	const F32 DELTA = (end_radians - start_radians) / steps;
+	const F32 SIN_DELTA = sin( DELTA );
+	const F32 COS_DELTA = cos( DELTA );
+
+	F32 x1 = outer_radius * cos( start_radians );
+	F32 y1 = outer_radius * sin( start_radians );
+	F32 x2 = inner_radius * cos( start_radians );
+	F32 y2 = inner_radius * sin( start_radians );
+
+	gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
+	gGL.begin( LLRender::TRIANGLE_STRIP  );
+	{
+		steps += 1; // An extra step to close the circle.
+		while( steps-- )
+		{
+			gGL.color4fv(outer_color.mV);
+			gGL.vertex2f( x1, y1 );
+			gGL.color4fv(inner_color.mV);
+			gGL.vertex2f( x2, y2 );
+
+			F32 x1_new = x1 * COS_DELTA - y1 * SIN_DELTA;
+			y1 = x1 * SIN_DELTA +  y1 * COS_DELTA;
+			x1 = x1_new;
+
+			F32 x2_new = x2 * COS_DELTA - y2 * SIN_DELTA;
+			y2 = x2 * SIN_DELTA +  y2 * COS_DELTA;
+			x2 = x2_new;
+		}
+	}
+	gGL.end();
+}
+
+void gl_rect_2d_simple_tex( S32 width, S32 height )
+{
+	gGL.begin( LLRender::QUADS );
+
+		gGL.texCoord2f(1.f, 1.f);
+		gGL.vertex2i(width, height);
+
+		gGL.texCoord2f(0.f, 1.f);
+		gGL.vertex2i(0, height);
+
+		gGL.texCoord2f(0.f, 0.f);
+		gGL.vertex2i(0, 0);
+
+		gGL.texCoord2f(1.f, 0.f);
+		gGL.vertex2i(width, 0);
+	
+	gGL.end();
+}
+
+void gl_rect_2d_simple( S32 width, S32 height )
+{
+	gGL.begin( LLRender::QUADS );
+		gGL.vertex2i(width, height);
+		gGL.vertex2i(0, height);
+		gGL.vertex2i(0, 0);
+		gGL.vertex2i(width, 0);
+	gGL.end();
+}
+
+void gl_segmented_rect_2d_tex(const S32 left, 
+							  const S32 top, 
+							  const S32 right, 
+							  const S32 bottom, 
+							  const S32 texture_width, 
+							  const S32 texture_height, 
+							  const S32 border_size, 
+							  const U32 edges)
+{
+	S32 width = llabs(right - left);
+	S32 height = llabs(top - bottom);
+
+	gGL.pushUIMatrix();
+
+	gGL.translateUI((F32)left, (F32)bottom, 0.f);
+	LLVector2 border_uv_scale((F32)border_size / (F32)texture_width, (F32)border_size / (F32)texture_height);
+
+	if (border_uv_scale.mV[VX] > 0.5f)
+	{
+		border_uv_scale *= 0.5f / border_uv_scale.mV[VX];
+	}
+	if (border_uv_scale.mV[VY] > 0.5f)
+	{
+		border_uv_scale *= 0.5f / border_uv_scale.mV[VY];
+	}
+
+	F32 border_scale = llmin((F32)border_size, (F32)width * 0.5f, (F32)height * 0.5f);
+	LLVector2 border_width_left = ((edges & (~(U32)ROUNDED_RECT_RIGHT)) != 0) ? LLVector2(border_scale, 0.f) : LLVector2::zero;
+	LLVector2 border_width_right = ((edges & (~(U32)ROUNDED_RECT_LEFT)) != 0) ? LLVector2(border_scale, 0.f) : LLVector2::zero;
+	LLVector2 border_height_bottom = ((edges & (~(U32)ROUNDED_RECT_TOP)) != 0) ? LLVector2(0.f, border_scale) : LLVector2::zero;
+	LLVector2 border_height_top = ((edges & (~(U32)ROUNDED_RECT_BOTTOM)) != 0) ? LLVector2(0.f, border_scale) : LLVector2::zero;
+	LLVector2 width_vec((F32)width, 0.f);
+	LLVector2 height_vec(0.f, (F32)height);
+
+	gGL.begin(LLRender::QUADS);
+	{
+		// draw bottom left
+		gGL.texCoord2f(0.f, 0.f);
+		gGL.vertex2f(0.f, 0.f);
+
+		gGL.texCoord2f(border_uv_scale.mV[VX], 0.f);
+		gGL.vertex2fv(border_width_left.mV);
+
+		gGL.texCoord2f(border_uv_scale.mV[VX], border_uv_scale.mV[VY]);
+		gGL.vertex2fv((border_width_left + border_height_bottom).mV);
+
+		gGL.texCoord2f(0.f, border_uv_scale.mV[VY]);
+		gGL.vertex2fv(border_height_bottom.mV);
+
+		// draw bottom middle
+		gGL.texCoord2f(border_uv_scale.mV[VX], 0.f);
+		gGL.vertex2fv(border_width_left.mV);
+
+		gGL.texCoord2f(1.f - border_uv_scale.mV[VX], 0.f);
+		gGL.vertex2fv((width_vec - border_width_right).mV);
+
+		gGL.texCoord2f(1.f - border_uv_scale.mV[VX], border_uv_scale.mV[VY]);
+		gGL.vertex2fv((width_vec - border_width_right + border_height_bottom).mV);
+
+		gGL.texCoord2f(border_uv_scale.mV[VX], border_uv_scale.mV[VY]);
+		gGL.vertex2fv((border_width_left + border_height_bottom).mV);
+
+		// draw bottom right
+		gGL.texCoord2f(1.f - border_uv_scale.mV[VX], 0.f);
+		gGL.vertex2fv((width_vec - border_width_right).mV);
+
+		gGL.texCoord2f(1.f, 0.f);
+		gGL.vertex2fv(width_vec.mV);
+
+		gGL.texCoord2f(1.f, border_uv_scale.mV[VY]);
+		gGL.vertex2fv((width_vec + border_height_bottom).mV);
+
+		gGL.texCoord2f(1.f - border_uv_scale.mV[VX], border_uv_scale.mV[VY]);
+		gGL.vertex2fv((width_vec - border_width_right + border_height_bottom).mV);
+
+		// draw left 
+		gGL.texCoord2f(0.f, border_uv_scale.mV[VY]);
+		gGL.vertex2fv(border_height_bottom.mV);
+
+		gGL.texCoord2f(border_uv_scale.mV[VX], border_uv_scale.mV[VY]);
+		gGL.vertex2fv((border_width_left + border_height_bottom).mV);
+
+		gGL.texCoord2f(border_uv_scale.mV[VX], 1.f - border_uv_scale.mV[VY]);
+		gGL.vertex2fv((border_width_left + height_vec - border_height_top).mV);
+
+		gGL.texCoord2f(0.f, 1.f - border_uv_scale.mV[VY]);
+		gGL.vertex2fv((height_vec - border_height_top).mV);
+
+		// draw middle
+		gGL.texCoord2f(border_uv_scale.mV[VX], border_uv_scale.mV[VY]);
+		gGL.vertex2fv((border_width_left + border_height_bottom).mV);
+
+		gGL.texCoord2f(1.f - border_uv_scale.mV[VX], border_uv_scale.mV[VY]);
+		gGL.vertex2fv((width_vec - border_width_right + border_height_bottom).mV);
+
+		gGL.texCoord2f(1.f - border_uv_scale.mV[VX], 1.f - border_uv_scale.mV[VY]);
+		gGL.vertex2fv((width_vec - border_width_right + height_vec - border_height_top).mV);
+
+		gGL.texCoord2f(border_uv_scale.mV[VX], 1.f - border_uv_scale.mV[VY]);
+		gGL.vertex2fv((border_width_left + height_vec - border_height_top).mV);
+
+		// draw right 
+		gGL.texCoord2f(1.f - border_uv_scale.mV[VX], border_uv_scale.mV[VY]);
+		gGL.vertex2fv((width_vec - border_width_right + border_height_bottom).mV);
+
+		gGL.texCoord2f(1.f, border_uv_scale.mV[VY]);
+		gGL.vertex2fv((width_vec + border_height_bottom).mV);
+
+		gGL.texCoord2f(1.f, 1.f - border_uv_scale.mV[VY]);
+		gGL.vertex2fv((width_vec + height_vec - border_height_top).mV);
+
+		gGL.texCoord2f(1.f - border_uv_scale.mV[VX], 1.f - border_uv_scale.mV[VY]);
+		gGL.vertex2fv((width_vec - border_width_right + height_vec - border_height_top).mV);
+
+		// draw top left
+		gGL.texCoord2f(0.f, 1.f - border_uv_scale.mV[VY]);
+		gGL.vertex2fv((height_vec - border_height_top).mV);
+
+		gGL.texCoord2f(border_uv_scale.mV[VX], 1.f - border_uv_scale.mV[VY]);
+		gGL.vertex2fv((border_width_left + height_vec - border_height_top).mV);
+
+		gGL.texCoord2f(border_uv_scale.mV[VX], 1.f);
+		gGL.vertex2fv((border_width_left + height_vec).mV);
+
+		gGL.texCoord2f(0.f, 1.f);
+		gGL.vertex2fv((height_vec).mV);
+
+		// draw top middle
+		gGL.texCoord2f(border_uv_scale.mV[VX], 1.f - border_uv_scale.mV[VY]);
+		gGL.vertex2fv((border_width_left + height_vec - border_height_top).mV);
+
+		gGL.texCoord2f(1.f - border_uv_scale.mV[VX], 1.f - border_uv_scale.mV[VY]);
+		gGL.vertex2fv((width_vec - border_width_right + height_vec - border_height_top).mV);
+
+		gGL.texCoord2f(1.f - border_uv_scale.mV[VX], 1.f);
+		gGL.vertex2fv((width_vec - border_width_right + height_vec).mV);
+
+		gGL.texCoord2f(border_uv_scale.mV[VX], 1.f);
+		gGL.vertex2fv((border_width_left + height_vec).mV);
+
+		// draw top right
+		gGL.texCoord2f(1.f - border_uv_scale.mV[VX], 1.f - border_uv_scale.mV[VY]);
+		gGL.vertex2fv((width_vec - border_width_right + height_vec - border_height_top).mV);
+
+		gGL.texCoord2f(1.f, 1.f - border_uv_scale.mV[VY]);
+		gGL.vertex2fv((width_vec + height_vec - border_height_top).mV);
+
+		gGL.texCoord2f(1.f, 1.f);
+		gGL.vertex2fv((width_vec + height_vec).mV);
+
+		gGL.texCoord2f(1.f - border_uv_scale.mV[VX], 1.f);
+		gGL.vertex2fv((width_vec - border_width_right + height_vec).mV);
+	}
+	gGL.end();
+
+	gGL.popUIMatrix();
+}
+
+//FIXME: rewrite to use scissor?
+void gl_segmented_rect_2d_fragment_tex(const S32 left, 
+									   const S32 top, 
+									   const S32 right, 
+									   const S32 bottom, 
+									   const S32 texture_width, 
+									   const S32 texture_height, 
+									   const S32 border_size, 
+									   const F32 start_fragment, 
+									   const F32 end_fragment, 
+									   const U32 edges)
+{
+	S32 width = llabs(right - left);
+	S32 height = llabs(top - bottom);
+
+	gGL.pushUIMatrix();
+
+	gGL.translateUI((F32)left, (F32)bottom, 0.f);
+	LLVector2 border_uv_scale((F32)border_size / (F32)texture_width, (F32)border_size / (F32)texture_height);
+
+	if (border_uv_scale.mV[VX] > 0.5f)
+	{
+		border_uv_scale *= 0.5f / border_uv_scale.mV[VX];
+	}
+	if (border_uv_scale.mV[VY] > 0.5f)
+	{
+		border_uv_scale *= 0.5f / border_uv_scale.mV[VY];
+	}
+
+	F32 border_scale = llmin((F32)border_size, (F32)width * 0.5f, (F32)height * 0.5f);
+	LLVector2 border_width_left = ((edges & (~(U32)ROUNDED_RECT_RIGHT)) != 0) ? LLVector2(border_scale, 0.f) : LLVector2::zero;
+	LLVector2 border_width_right = ((edges & (~(U32)ROUNDED_RECT_LEFT)) != 0) ? LLVector2(border_scale, 0.f) : LLVector2::zero;
+	LLVector2 border_height_bottom = ((edges & (~(U32)ROUNDED_RECT_TOP)) != 0) ? LLVector2(0.f, border_scale) : LLVector2::zero;
+	LLVector2 border_height_top = ((edges & (~(U32)ROUNDED_RECT_BOTTOM)) != 0) ? LLVector2(0.f, border_scale) : LLVector2::zero;
+	LLVector2 width_vec((F32)width, 0.f);
+	LLVector2 height_vec(0.f, (F32)height);
+
+	F32 middle_start = border_scale / (F32)width;
+	F32 middle_end = 1.f - middle_start;
+
+	F32 u_min;
+	F32 u_max;
+	LLVector2 x_min;
+	LLVector2 x_max;
+
+	gGL.begin(LLRender::QUADS);
+	{
+		if (start_fragment < middle_start)
+		{
+			u_min = (start_fragment / middle_start) * border_uv_scale.mV[VX];
+			u_max = llmin(end_fragment / middle_start, 1.f) * border_uv_scale.mV[VX];
+			x_min = (start_fragment / middle_start) * border_width_left;
+			x_max = llmin(end_fragment / middle_start, 1.f) * border_width_left;
+
+			// draw bottom left
+			gGL.texCoord2f(u_min, 0.f);
+			gGL.vertex2fv(x_min.mV);
+
+			gGL.texCoord2f(border_uv_scale.mV[VX], 0.f);
+			gGL.vertex2fv(x_max.mV);
+
+			gGL.texCoord2f(u_max, border_uv_scale.mV[VY]);
+			gGL.vertex2fv((x_max + border_height_bottom).mV);
+
+			gGL.texCoord2f(u_min, border_uv_scale.mV[VY]);
+			gGL.vertex2fv((x_min + border_height_bottom).mV);
+
+			// draw left 
+			gGL.texCoord2f(u_min, border_uv_scale.mV[VY]);
+			gGL.vertex2fv((x_min + border_height_bottom).mV);
+
+			gGL.texCoord2f(u_max, border_uv_scale.mV[VY]);
+			gGL.vertex2fv((x_max + border_height_bottom).mV);
+
+			gGL.texCoord2f(u_max, 1.f - border_uv_scale.mV[VY]);
+			gGL.vertex2fv((x_max + height_vec - border_height_top).mV);
+
+			gGL.texCoord2f(u_min, 1.f - border_uv_scale.mV[VY]);
+			gGL.vertex2fv((x_min + height_vec - border_height_top).mV);
+			
+			// draw top left
+			gGL.texCoord2f(u_min, 1.f - border_uv_scale.mV[VY]);
+			gGL.vertex2fv((x_min + height_vec - border_height_top).mV);
+
+			gGL.texCoord2f(u_max, 1.f - border_uv_scale.mV[VY]);
+			gGL.vertex2fv((x_max + height_vec - border_height_top).mV);
+
+			gGL.texCoord2f(u_max, 1.f);
+			gGL.vertex2fv((x_max + height_vec).mV);
+
+			gGL.texCoord2f(u_min, 1.f);
+			gGL.vertex2fv((x_min + height_vec).mV);
+		}
+
+		if (end_fragment > middle_start || start_fragment < middle_end)
+		{
+			x_min = border_width_left + ((llclamp(start_fragment, middle_start, middle_end) - middle_start)) * width_vec;
+			x_max = border_width_left + ((llclamp(end_fragment, middle_start, middle_end) - middle_start)) * width_vec;
+
+			// draw bottom middle
+			gGL.texCoord2f(border_uv_scale.mV[VX], 0.f);
+			gGL.vertex2fv(x_min.mV);
+
+			gGL.texCoord2f(1.f - border_uv_scale.mV[VX], 0.f);
+			gGL.vertex2fv((x_max).mV);
+
+			gGL.texCoord2f(1.f - border_uv_scale.mV[VX], border_uv_scale.mV[VY]);
+			gGL.vertex2fv((x_max + border_height_bottom).mV);
+
+			gGL.texCoord2f(border_uv_scale.mV[VX], border_uv_scale.mV[VY]);
+			gGL.vertex2fv((x_min + border_height_bottom).mV);
+
+			// draw middle
+			gGL.texCoord2f(border_uv_scale.mV[VX], border_uv_scale.mV[VY]);
+			gGL.vertex2fv((x_min + border_height_bottom).mV);
+
+			gGL.texCoord2f(1.f - border_uv_scale.mV[VX], border_uv_scale.mV[VY]);
+			gGL.vertex2fv((x_max + border_height_bottom).mV);
+
+			gGL.texCoord2f(1.f - border_uv_scale.mV[VX], 1.f - border_uv_scale.mV[VY]);
+			gGL.vertex2fv((x_max + height_vec - border_height_top).mV);
+
+			gGL.texCoord2f(border_uv_scale.mV[VX], 1.f - border_uv_scale.mV[VY]);
+			gGL.vertex2fv((x_min + height_vec - border_height_top).mV);
+
+			// draw top middle
+			gGL.texCoord2f(border_uv_scale.mV[VX], 1.f - border_uv_scale.mV[VY]);
+			gGL.vertex2fv((x_min + height_vec - border_height_top).mV);
+
+			gGL.texCoord2f(1.f - border_uv_scale.mV[VX], 1.f - border_uv_scale.mV[VY]);
+			gGL.vertex2fv((x_max + height_vec - border_height_top).mV);
+
+			gGL.texCoord2f(1.f - border_uv_scale.mV[VX], 1.f);
+			gGL.vertex2fv((x_max + height_vec).mV);
+
+			gGL.texCoord2f(border_uv_scale.mV[VX], 1.f);
+			gGL.vertex2fv((x_min + height_vec).mV);
+		}
+
+		if (end_fragment > middle_end)
+		{
+			u_min = (1.f - llmax(0.f, ((start_fragment - middle_end) / middle_start))) * border_uv_scale.mV[VX];
+			u_max = (1.f - ((end_fragment - middle_end) / middle_start)) * border_uv_scale.mV[VX];
+			x_min = width_vec - ((1.f - llmax(0.f, ((start_fragment - middle_end) / middle_start))) * border_width_right);
+			x_max = width_vec - ((1.f - ((end_fragment - middle_end) / middle_start)) * border_width_right);
+
+			// draw bottom right
+			gGL.texCoord2f(u_min, 0.f);
+			gGL.vertex2fv((x_min).mV);
+
+			gGL.texCoord2f(u_max, 0.f);
+			gGL.vertex2fv(x_max.mV);
+
+			gGL.texCoord2f(u_max, border_uv_scale.mV[VY]);
+			gGL.vertex2fv((x_max + border_height_bottom).mV);
+
+			gGL.texCoord2f(u_min, border_uv_scale.mV[VY]);
+			gGL.vertex2fv((x_min + border_height_bottom).mV);
+
+			// draw right 
+			gGL.texCoord2f(u_min, border_uv_scale.mV[VY]);
+			gGL.vertex2fv((x_min + border_height_bottom).mV);
+
+			gGL.texCoord2f(u_max, border_uv_scale.mV[VY]);
+			gGL.vertex2fv((x_max + border_height_bottom).mV);
+
+			gGL.texCoord2f(u_max, 1.f - border_uv_scale.mV[VY]);
+			gGL.vertex2fv((x_max + height_vec - border_height_top).mV);
+
+			gGL.texCoord2f(u_min, 1.f - border_uv_scale.mV[VY]);
+			gGL.vertex2fv((x_min + height_vec - border_height_top).mV);
+
+			// draw top right
+			gGL.texCoord2f(u_min, 1.f - border_uv_scale.mV[VY]);
+			gGL.vertex2fv((x_min + height_vec - border_height_top).mV);
+
+			gGL.texCoord2f(u_max, 1.f - border_uv_scale.mV[VY]);
+			gGL.vertex2fv((x_max + height_vec - border_height_top).mV);
+
+			gGL.texCoord2f(u_max, 1.f);
+			gGL.vertex2fv((x_max + height_vec).mV);
+
+			gGL.texCoord2f(u_min, 1.f);
+			gGL.vertex2fv((x_min + height_vec).mV);
+		}
+	}
+	gGL.end();
+
+	gGL.popUIMatrix();
+}
+
+void gl_segmented_rect_3d_tex(const LLRectf& clip_rect, const LLRectf& center_uv_rect, const LLRectf& center_draw_rect, 
+							 const LLVector3& width_vec, const LLVector3& height_vec)
+{
+	gGL.begin(LLRender::QUADS);
+	{
+		// draw bottom left
+		gGL.texCoord2f(clip_rect.mLeft, clip_rect.mBottom);
+		gGL.vertex3f(0.f, 0.f, 0.f);
+
+		gGL.texCoord2f(center_uv_rect.mLeft, clip_rect.mBottom);
+		gGL.vertex3fv((center_draw_rect.mLeft * width_vec).mV);
+
+		gGL.texCoord2f(center_uv_rect.mLeft, center_uv_rect.mBottom);
+		gGL.vertex3fv((center_draw_rect.mLeft * width_vec + center_draw_rect.mBottom * height_vec).mV);
+
+		gGL.texCoord2f(clip_rect.mLeft, center_uv_rect.mBottom);
+		gGL.vertex3fv((center_draw_rect.mBottom * height_vec).mV);
+
+		// draw bottom middle
+		gGL.texCoord2f(center_uv_rect.mLeft, clip_rect.mBottom);
+		gGL.vertex3fv((center_draw_rect.mLeft * width_vec).mV);
+
+		gGL.texCoord2f(center_uv_rect.mRight, clip_rect.mBottom);
+		gGL.vertex3fv((center_draw_rect.mRight * width_vec).mV);
+
+		gGL.texCoord2f(center_uv_rect.mRight, center_uv_rect.mBottom);
+		gGL.vertex3fv((center_draw_rect.mRight * width_vec + center_draw_rect.mBottom * height_vec).mV);
+
+		gGL.texCoord2f(center_uv_rect.mLeft, center_uv_rect.mBottom);
+		gGL.vertex3fv((center_draw_rect.mLeft * width_vec + center_draw_rect.mBottom * height_vec).mV);
+
+		// draw bottom right
+		gGL.texCoord2f(center_uv_rect.mRight, clip_rect.mBottom);
+		gGL.vertex3fv((center_draw_rect.mRight * width_vec).mV);
+
+		gGL.texCoord2f(clip_rect.mRight, clip_rect.mBottom);
+		gGL.vertex3fv(width_vec.mV);
+
+		gGL.texCoord2f(clip_rect.mRight, center_uv_rect.mBottom);
+		gGL.vertex3fv((width_vec + center_draw_rect.mBottom * height_vec).mV);
+
+		gGL.texCoord2f(center_uv_rect.mRight, center_uv_rect.mBottom);
+		gGL.vertex3fv((center_draw_rect.mRight * width_vec + center_draw_rect.mBottom * height_vec).mV);
+
+		// draw left 
+		gGL.texCoord2f(clip_rect.mLeft, center_uv_rect.mBottom);
+		gGL.vertex3fv((center_draw_rect.mBottom * height_vec).mV);
+
+		gGL.texCoord2f(center_uv_rect.mLeft, center_uv_rect.mBottom);
+		gGL.vertex3fv((center_draw_rect.mLeft * width_vec + center_draw_rect.mBottom * height_vec).mV);
+
+		gGL.texCoord2f(center_uv_rect.mLeft, center_uv_rect.mTop);
+		gGL.vertex3fv((center_draw_rect.mLeft * width_vec + center_draw_rect.mTop * height_vec).mV);
+
+		gGL.texCoord2f(clip_rect.mLeft, center_uv_rect.mTop);
+		gGL.vertex3fv((center_draw_rect.mTop * height_vec).mV);
+
+		// draw middle
+		gGL.texCoord2f(center_uv_rect.mLeft, center_uv_rect.mBottom);
+		gGL.vertex3fv((center_draw_rect.mLeft * width_vec + center_draw_rect.mBottom * height_vec).mV);
+
+		gGL.texCoord2f(center_uv_rect.mRight, center_uv_rect.mBottom);
+		gGL.vertex3fv((center_draw_rect.mRight * width_vec + center_draw_rect.mBottom * height_vec).mV);
+
+		gGL.texCoord2f(center_uv_rect.mRight, center_uv_rect.mTop);
+		gGL.vertex3fv((center_draw_rect.mRight * width_vec + center_draw_rect.mTop * height_vec).mV);
+
+		gGL.texCoord2f(center_uv_rect.mLeft, center_uv_rect.mTop);
+		gGL.vertex3fv((center_draw_rect.mLeft * width_vec + center_draw_rect.mTop * height_vec).mV);
+
+		// draw right 
+		gGL.texCoord2f(center_uv_rect.mRight, center_uv_rect.mBottom);
+		gGL.vertex3fv((center_draw_rect.mRight * width_vec + center_draw_rect.mBottom * height_vec).mV);
+
+		gGL.texCoord2f(clip_rect.mRight, center_uv_rect.mBottom);
+		gGL.vertex3fv((width_vec + center_draw_rect.mBottom * height_vec).mV);
+
+		gGL.texCoord2f(clip_rect.mRight, center_uv_rect.mTop);
+		gGL.vertex3fv((width_vec + center_draw_rect.mTop * height_vec).mV);
+
+		gGL.texCoord2f(center_uv_rect.mRight, center_uv_rect.mTop);
+		gGL.vertex3fv((center_draw_rect.mRight * width_vec + center_draw_rect.mTop * height_vec).mV);
+
+		// draw top left
+		gGL.texCoord2f(clip_rect.mLeft, center_uv_rect.mTop);
+		gGL.vertex3fv((center_draw_rect.mTop * height_vec).mV);
+
+		gGL.texCoord2f(center_uv_rect.mLeft, center_uv_rect.mTop);
+		gGL.vertex3fv((center_draw_rect.mLeft * width_vec + center_draw_rect.mTop * height_vec).mV);
+
+		gGL.texCoord2f(center_uv_rect.mLeft, clip_rect.mTop);
+		gGL.vertex3fv((center_draw_rect.mLeft * width_vec + height_vec).mV);
+
+		gGL.texCoord2f(clip_rect.mLeft, clip_rect.mTop);
+		gGL.vertex3fv((height_vec).mV);
+
+		// draw top middle
+		gGL.texCoord2f(center_uv_rect.mLeft, center_uv_rect.mTop);
+		gGL.vertex3fv((center_draw_rect.mLeft * width_vec + center_draw_rect.mTop * height_vec).mV);
+
+		gGL.texCoord2f(center_uv_rect.mRight, center_uv_rect.mTop);
+		gGL.vertex3fv((center_draw_rect.mRight * width_vec + center_draw_rect.mTop * height_vec).mV);
+
+		gGL.texCoord2f(center_uv_rect.mRight, clip_rect.mTop);
+		gGL.vertex3fv((center_draw_rect.mRight * width_vec + height_vec).mV);
+
+		gGL.texCoord2f(center_uv_rect.mLeft, clip_rect.mTop);
+		gGL.vertex3fv((center_draw_rect.mLeft * width_vec + height_vec).mV);
+
+		// draw top right
+		gGL.texCoord2f(center_uv_rect.mRight, center_uv_rect.mTop);
+		gGL.vertex3fv((center_draw_rect.mRight * width_vec + center_draw_rect.mTop * height_vec).mV);
+
+		gGL.texCoord2f(clip_rect.mRight, center_uv_rect.mTop);
+		gGL.vertex3fv((width_vec + center_draw_rect.mTop * height_vec).mV);
+
+		gGL.texCoord2f(clip_rect.mRight, clip_rect.mTop);
+		gGL.vertex3fv((width_vec + height_vec).mV);
+
+		gGL.texCoord2f(center_uv_rect.mRight, clip_rect.mTop);
+		gGL.vertex3fv((center_draw_rect.mRight * width_vec + height_vec).mV);
+	}
+	gGL.end();
+
+}
+
+// static
+void LLRender2D::initClass(LLImageProviderInterface* image_provider,
+						   const LLVector2* scale_factor)
+{
+	sGLScaleFactor = (scale_factor == NULL) ? LLVector2(1.f, 1.f) : *scale_factor;
+	sImageProvider = image_provider;
+}
+
+// static
+void LLRender2D::cleanupClass()
+{
+	if(sImageProvider)
+	{
+		sImageProvider->cleanUp();
+	}
+}
+
+
+//static
+void LLRender2D::translate(F32 x, F32 y, F32 z)
+{
+	gGL.translateUI(x,y,z);
+	LLFontGL::sCurOrigin.mX += (S32) x;
+	LLFontGL::sCurOrigin.mY += (S32) y;
+	LLFontGL::sCurDepth += z;
+}
+
+//static
+void LLRender2D::pushMatrix()
+{
+	gGL.pushUIMatrix();
+	LLFontGL::sOriginStack.push_back(std::make_pair(LLFontGL::sCurOrigin, LLFontGL::sCurDepth));
+}
+
+//static
+void LLRender2D::popMatrix()
+{
+	gGL.popUIMatrix();
+	LLFontGL::sCurOrigin = LLFontGL::sOriginStack.back().first;
+	LLFontGL::sCurDepth = LLFontGL::sOriginStack.back().second;
+	LLFontGL::sOriginStack.pop_back();
+}
+
+//static 
+void LLRender2D::loadIdentity()
+{
+	gGL.loadUIIdentity(); 
+	LLFontGL::sCurOrigin.mX = 0;
+	LLFontGL::sCurOrigin.mY = 0;
+	LLFontGL::sCurDepth = 0.f;
+}
+
+//static
+void LLRender2D::setScaleFactor(const LLVector2 &scale_factor)
+{
+	sGLScaleFactor = scale_factor;
+}
+
+//static
+void LLRender2D::setLineWidth(F32 width)
+{
+	gGL.flush();
+	glLineWidth(width * lerp(sGLScaleFactor.mV[VX], sGLScaleFactor.mV[VY], 0.5f));
+}
+
+//static
+LLPointer<LLUIImage> LLRender2D::getUIImageByID(const LLUUID& image_id, S32 priority)
+{
+	if (sImageProvider)
+	{
+		return sImageProvider->getUIImageByID(image_id, priority);
+	}
+	else
+	{
+		return NULL;
+	}
+}
+
+//static 
+LLPointer<LLUIImage> LLRender2D::getUIImage(const std::string& name, S32 priority)
+{
+	if (!name.empty() && sImageProvider)
+		return sImageProvider->getUIImage(name, priority);
+	else
+		return NULL;
+}
+
diff --git a/indra/llrender/llrender2dutils.h b/indra/llrender/llrender2dutils.h
new file mode 100644
index 0000000000..4884422c58
--- /dev/null
+++ b/indra/llrender/llrender2dutils.h
@@ -0,0 +1,163 @@
+/** 
+ * @file llrender2dutils.h
+ * @brief GL function declarations for immediate-mode gl drawing.
+ *
+ * $LicenseInfo:firstyear=2012&license=viewerlgpl$
+ * 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
+ * $/LicenseInfo$
+ */
+
+// All immediate-mode gl drawing should happen here.
+
+
+#ifndef LL_RENDER2DUTILS_H
+#define LL_RENDER2DUTILS_H
+
+#include "llpointer.h"		// LLPointer<>
+#include "llrect.h"
+#include "llglslshader.h"
+
+class LLColor4; 
+class LLVector3;
+class LLVector2;
+class LLUIImage;
+class LLUUID;
+
+extern const LLColor4 UI_VERTEX_COLOR;
+
+BOOL ui_point_in_rect(S32 x, S32 y, S32 left, S32 top, S32 right, S32 bottom);
+void gl_state_for_2d(S32 width, S32 height);
+
+void gl_line_2d(S32 x1, S32 y1, S32 x2, S32 y2);
+void gl_line_2d(S32 x1, S32 y1, S32 x2, S32 y2, const LLColor4 &color );
+void gl_triangle_2d(S32 x1, S32 y1, S32 x2, S32 y2, S32 x3, S32 y3, const LLColor4& color, BOOL filled);
+void gl_rect_2d_simple( S32 width, S32 height );
+
+void gl_draw_x(const LLRect& rect, const LLColor4& color);
+
+void gl_rect_2d(S32 left, S32 top, S32 right, S32 bottom, BOOL filled = TRUE );
+void gl_rect_2d(S32 left, S32 top, S32 right, S32 bottom, const LLColor4 &color, BOOL filled = TRUE );
+void gl_rect_2d_offset_local( S32 left, S32 top, S32 right, S32 bottom, const LLColor4 &color, S32 pixel_offset = 0, BOOL filled = TRUE );
+void gl_rect_2d_offset_local( S32 left, S32 top, S32 right, S32 bottom, S32 pixel_offset = 0, BOOL filled = TRUE );
+void gl_rect_2d(const LLRect& rect, BOOL filled = TRUE );
+void gl_rect_2d(const LLRect& rect, const LLColor4& color, BOOL filled = TRUE );
+void gl_rect_2d_checkerboard(const LLRect& rect, GLfloat alpha = 1.0f);
+
+void gl_drop_shadow(S32 left, S32 top, S32 right, S32 bottom, const LLColor4 &start_color, S32 lines);
+
+void gl_circle_2d(F32 x, F32 y, F32 radius, S32 steps, BOOL filled);
+void gl_arc_2d(F32 center_x, F32 center_y, F32 radius, S32 steps, BOOL filled, F32 start_angle, F32 end_angle);
+void gl_deep_circle( F32 radius, F32 depth );
+void gl_ring( F32 radius, F32 width, const LLColor4& center_color, const LLColor4& side_color, S32 steps, BOOL render_center );
+void gl_corners_2d(S32 left, S32 top, S32 right, S32 bottom, S32 length, F32 max_frac);
+void gl_washer_2d(F32 outer_radius, F32 inner_radius, S32 steps, const LLColor4& inner_color, const LLColor4& outer_color);
+void gl_washer_segment_2d(F32 outer_radius, F32 inner_radius, F32 start_radians, F32 end_radians, S32 steps, const LLColor4& inner_color, const LLColor4& outer_color);
+
+void gl_draw_image(S32 x, S32 y, LLTexture* image, const LLColor4& color = UI_VERTEX_COLOR, const LLRectf& uv_rect = LLRectf(0.f, 1.f, 1.f, 0.f));
+void gl_draw_scaled_image(S32 x, S32 y, S32 width, S32 height, LLTexture* image, const LLColor4& color = UI_VERTEX_COLOR, const LLRectf& uv_rect = LLRectf(0.f, 1.f, 1.f, 0.f));
+void gl_draw_rotated_image(S32 x, S32 y, F32 degrees, LLTexture* image, const LLColor4& color = UI_VERTEX_COLOR, const LLRectf& uv_rect = LLRectf(0.f, 1.f, 1.f, 0.f));
+void gl_draw_scaled_rotated_image(S32 x, S32 y, S32 width, S32 height, F32 degrees,LLTexture* image, const LLColor4& color = UI_VERTEX_COLOR, const LLRectf& uv_rect = LLRectf(0.f, 1.f, 1.f, 0.f));
+void gl_draw_scaled_image_with_border(S32 x, S32 y, S32 border_width, S32 border_height, S32 width, S32 height, LLTexture* image, const LLColor4 &color, BOOL solid_color = FALSE, const LLRectf& uv_rect = LLRectf(0.f, 1.f, 1.f, 0.f));
+void gl_draw_scaled_image_with_border(S32 x, S32 y, S32 width, S32 height, LLTexture* image, const LLColor4 &color, BOOL solid_color = FALSE, const LLRectf& uv_rect = LLRectf(0.f, 1.f, 1.f, 0.f), const LLRectf& scale_rect = LLRectf(0.f, 1.f, 1.f, 0.f));
+
+void gl_stippled_line_3d( const LLVector3& start, const LLVector3& end, const LLColor4& color, F32 phase = 0.f ); 
+
+void gl_rect_2d_simple_tex( S32 width, S32 height );
+
+// segmented rectangles
+
+/*
+   TL |______TOP_________| TR 
+     /|                  |\  
+   _/_|__________________|_\_
+   L| |    MIDDLE        | |R
+   _|_|__________________|_|_
+    \ |    BOTTOM        | /  
+   BL\|__________________|/ BR
+      |                  |    
+*/
+
+typedef enum e_rounded_edge
+{
+	ROUNDED_RECT_LEFT	= 0x1, 
+	ROUNDED_RECT_TOP	= 0x2, 
+	ROUNDED_RECT_RIGHT	= 0x4, 
+	ROUNDED_RECT_BOTTOM	= 0x8,
+	ROUNDED_RECT_ALL	= 0xf
+}ERoundedEdge;
+
+
+void gl_segmented_rect_2d_tex(const S32 left, const S32 top, const S32 right, const S32 bottom, const S32 texture_width, const S32 texture_height, const S32 border_size, const U32 edges = ROUNDED_RECT_ALL);
+void gl_segmented_rect_2d_fragment_tex(const S32 left, const S32 top, const S32 right, const S32 bottom, const S32 texture_width, const S32 texture_height, const S32 border_size, const F32 start_fragment, const F32 end_fragment, const U32 edges = ROUNDED_RECT_ALL);
+void gl_segmented_rect_3d_tex(const LLRectf& clip_rect, const LLRectf& center_uv_rect, const LLRectf& center_draw_rect, const LLVector3& width_vec, const LLVector3& height_vec);
+
+inline void gl_rect_2d( const LLRect& rect, BOOL filled )
+{
+	gl_rect_2d( rect.mLeft, rect.mTop, rect.mRight, rect.mBottom, filled );
+}
+
+inline void gl_rect_2d_offset_local( const LLRect& rect, S32 pixel_offset, BOOL filled)
+{
+	gl_rect_2d_offset_local( rect.mLeft, rect.mTop, rect.mRight, rect.mBottom, pixel_offset, filled );
+}
+
+class LLImageProviderInterface;
+
+class LLRender2D
+{
+	LOG_CLASS(LLRender2D);
+public:
+	static void initClass(LLImageProviderInterface* image_provider,
+						  const LLVector2* scale_factor);
+	static void cleanupClass();
+
+	static void pushMatrix();
+	static void popMatrix();
+	static void loadIdentity();
+	static void translate(F32 x, F32 y, F32 z = 0.0f);
+
+	static void setLineWidth(F32 width);
+	static void setScaleFactor(const LLVector2& scale_factor);
+
+	static LLPointer<LLUIImage> getUIImageByID(const LLUUID& image_id, S32 priority = 0);
+	static LLPointer<LLUIImage> getUIImage(const std::string& name, S32 priority = 0);
+
+	static LLVector2		sGLScaleFactor;
+private:
+	static LLImageProviderInterface* sImageProvider;
+};
+
+class LLImageProviderInterface
+{
+protected:
+	LLImageProviderInterface() {};
+	virtual ~LLImageProviderInterface() {};
+public:
+	virtual LLPointer<LLUIImage> getUIImage(const std::string& name, S32 priority) = 0;
+	virtual LLPointer<LLUIImage> getUIImageByID(const LLUUID& id, S32 priority) = 0;
+	virtual void cleanUp() = 0;
+};
+
+
+extern LLGLSLShader gSolidColorProgram;
+extern LLGLSLShader gUIProgram;
+
+#endif // LL_RENDER2DUTILS_H
+
diff --git a/indra/llrender/llrendernavprim.cpp b/indra/llrender/llrendernavprim.cpp
index ca72964832..ca72964832 100644..100755
--- a/indra/llrender/llrendernavprim.cpp
+++ b/indra/llrender/llrendernavprim.cpp
diff --git a/indra/llrender/llrendernavprim.h b/indra/llrender/llrendernavprim.h
index a3a5dfec3a..a3a5dfec3a 100644..100755
--- a/indra/llrender/llrendernavprim.h
+++ b/indra/llrender/llrendernavprim.h
diff --git a/indra/llrender/llrendersphere.cpp b/indra/llrender/llrendersphere.cpp
index 26bfe036e8..26bfe036e8 100644..100755
--- a/indra/llrender/llrendersphere.cpp
+++ b/indra/llrender/llrendersphere.cpp
diff --git a/indra/llrender/llrendersphere.h b/indra/llrender/llrendersphere.h
index f8e9e86e7f..f8e9e86e7f 100644..100755
--- a/indra/llrender/llrendersphere.h
+++ b/indra/llrender/llrendersphere.h
diff --git a/indra/llrender/llrendertarget.cpp b/indra/llrender/llrendertarget.cpp
index c1b96a43da..5fb4fc8e52 100644..100755
--- a/indra/llrender/llrendertarget.cpp
+++ b/indra/llrender/llrendertarget.cpp
@@ -579,3 +579,5 @@ void LLRenderTarget::getViewport(S32* viewport)
 	viewport[3] = mResY;
 }
 
+
+
diff --git a/indra/llrender/llrendertarget.h b/indra/llrender/llrendertarget.h
index cf15f66d31..765a727b5b 100644..100755
--- a/indra/llrender/llrendertarget.h
+++ b/indra/llrender/llrendertarget.h
@@ -28,7 +28,6 @@
 #define LL_LLRENDERTARGET_H
 
 // LLRenderTarget is unavailible on the mapserver since it uses FBOs.
-#if !LL_MESA_HEADLESS
 
 #include "llgl.h"
 #include "llrender.h"
@@ -156,7 +155,5 @@ protected:
 	static LLRenderTarget* sBoundTarget;
 };
 
-#endif //!LL_MESA_HEADLESS
-
 #endif
 
diff --git a/indra/llrender/llshadermgr.cpp b/indra/llrender/llshadermgr.cpp
index b6a9a6b653..fea4ee2819 100644..100755
--- a/indra/llrender/llshadermgr.cpp
+++ b/indra/llrender/llshadermgr.cpp
@@ -521,7 +521,7 @@ void LLShaderMgr::dumpObjectLog(GLhandleARB ret, BOOL warns)
 	}
  }
 
-GLhandleARB LLShaderMgr::loadShaderFile(const std::string& filename, S32 & shader_level, GLenum type, S32 texture_index_channels)
+GLhandleARB LLShaderMgr::loadShaderFile(const std::string& filename, S32 & shader_level, GLenum type, boost::unordered_map<std::string, std::string>* defines, S32 texture_index_channels)
 {
 	GLenum error = GL_NO_ERROR;
 	if (gDebugGL)
@@ -650,13 +650,15 @@ GLhandleARB LLShaderMgr::loadShaderFile(const std::string& filename, S32 & shade
 			text[count++] = strdup("#define shadow2DRect(a,b) vec2(texture(a,b))\n");
 		}
 	}
-
-	//copy preprocessor definitions into buffer
-	for (std::map<std::string,std::string>::iterator iter = mDefinitions.begin(); iter != mDefinitions.end(); ++iter)
+	
+	if (defines)
+	{
+		for (boost::unordered_map<std::string,std::string>::iterator iter = defines->begin(); iter != defines->end(); ++iter)
 	{
 		std::string define = "#define " + iter->first + " " + iter->second + "\n";
 		text[count++] = (GLcharARB *) strdup(define.c_str());
 	}
+	}
 
 	if (texture_index_channels > 0 && type == GL_FRAGMENT_SHADER_ARB)
 	{
@@ -693,6 +695,8 @@ GLhandleARB LLShaderMgr::loadShaderFile(const std::string& filename, S32 & shade
 		}
 		*/
 
+		text[count++] = strdup("#define HAS_DIFFUSE_LOOKUP 1\n");
+
 		//uniform declartion
 		for (S32 i = 0; i < texture_index_channels; ++i)
 		{
@@ -750,6 +754,10 @@ GLhandleARB LLShaderMgr::loadShaderFile(const std::string& filename, S32 & shade
 			llerrs << "Indexed texture rendering requires GLSL 1.30 or later." << llendl;
 		}
 	}
+	else
+	{
+		text[count++] = strdup("#define HAS_DIFFUSE_LOOKUP 0\n");
+	}
 
 	//copy file into memory
 	while( fgets((char *)buff, 1024, file) != NULL && count < LL_ARRAY_SIZE(text) ) 
@@ -806,7 +814,6 @@ GLhandleARB LLShaderMgr::loadShaderFile(const std::string& filename, S32 & shade
 				//an error occured, print log
 				LL_WARNS("ShaderLoading") << "GLSL Compilation Error: (" << error << ") in " << filename << LL_ENDL;
 				dumpObjectLog(ret);
-
 #if LL_WINDOWS
 				std::stringstream ostr;
 				//dump shader source for debugging
@@ -824,8 +831,20 @@ GLhandleARB LLShaderMgr::loadShaderFile(const std::string& filename, S32 & shade
 				}
 
 				LL_WARNS("ShaderLoading") << "\n" << ostr.str() << llendl;
-#endif // LL_WINDOWS
-
+#else
+				std::string str;
+				
+				for (GLuint i = 0; i < count; i++) {
+					str.append(text[i]);
+					
+					if (i % 128 == 0)
+					{
+						LL_WARNS("ShaderLoading") << str << llendl;
+						str = "";
+					}
+				}
+#endif
+				
 				ret = 0;
 			}
 		}
@@ -854,7 +873,7 @@ GLhandleARB LLShaderMgr::loadShaderFile(const std::string& filename, S32 & shade
 		if (shader_level > 1)
 		{
 			shader_level--;
-			return loadShaderFile(filename,shader_level,type,texture_index_channels);
+			return loadShaderFile(filename,shader_level,type, defines, texture_index_channels);
 		}
 		LL_WARNS("ShaderLoading") << "Failed to load " << filename << LL_ENDL;	
 	}
@@ -958,7 +977,7 @@ void LLShaderMgr::initAttribsAndUniforms()
 	mReservedAttribs.push_back("texcoord3");
 	mReservedAttribs.push_back("diffuse_color");
 	mReservedAttribs.push_back("emissive");
-	mReservedAttribs.push_back("binormal");
+	mReservedAttribs.push_back("tangent");
 	mReservedAttribs.push_back("weight");
 	mReservedAttribs.push_back("weight4");
 	mReservedAttribs.push_back("clothing");
@@ -1055,6 +1074,7 @@ void LLShaderMgr::initAttribsAndUniforms()
 
 
 	mReservedUniforms.push_back("minimum_alpha");
+	mReservedUniforms.push_back("emissive_brightness");
 
 	mReservedUniforms.push_back("shadow_matrix");
 	mReservedUniforms.push_back("env_mat");
@@ -1115,6 +1135,12 @@ void LLShaderMgr::initAttribsAndUniforms()
 	mReservedUniforms.push_back("lightMap");
 	mReservedUniforms.push_back("bloomMap");
 	mReservedUniforms.push_back("projectionMap");
+	
+	mReservedUniforms.push_back("global_gamma");
+	mReservedUniforms.push_back("texture_gamma");
+	
+	mReservedUniforms.push_back("specular_color");
+	mReservedUniforms.push_back("env_intensity");
 
 	llassert(mReservedUniforms.size() == END_RESERVED_UNIFORMS);
 
diff --git a/indra/llrender/llshadermgr.h b/indra/llrender/llshadermgr.h
index 7a16b7c20f..c049e935b8 100644..100755
--- a/indra/llrender/llshadermgr.h
+++ b/indra/llrender/llshadermgr.h
@@ -109,6 +109,7 @@ public:
 		GLOW_DELTA,
 
 		MINIMUM_ALPHA,
+		EMISSIVE_BRIGHTNESS,
 
 		DEFERRED_SHADOW_MATRIX,
 		DEFERRED_ENV_MAT,
@@ -164,6 +165,13 @@ public:
 		DEFERRED_LIGHT,
 		DEFERRED_BLOOM,
 		DEFERRED_PROJECTION,
+		
+		GLOBAL_GAMMA,
+		TEXTURE_GAMMA,
+		
+		SPECULAR_COLOR,
+		ENVIRONMENT_INTENSITY,
+		
 		END_RESERVED_UNIFORMS
 	} eGLSLReservedUniforms;
 
@@ -176,7 +184,7 @@ public:
 	void dumpObjectLog(GLhandleARB ret, BOOL warns = TRUE);
 	BOOL	linkProgramObject(GLhandleARB obj, BOOL suppress_errors = FALSE);
 	BOOL	validateProgramObject(GLhandleARB obj);
-	GLhandleARB loadShaderFile(const std::string& filename, S32 & shader_level, GLenum type, S32 texture_index_channels = -1);
+	GLhandleARB loadShaderFile(const std::string& filename, S32 & shader_level, GLenum type, boost::unordered_map<std::string, std::string>* defines = NULL, S32 texture_index_channels = -1);
 
 	// Implemented in the application to actually point to the shader directory.
 	virtual std::string getShaderDirPrefix(void) = 0; // Pure Virtual
diff --git a/indra/llrender/lltexture.cpp b/indra/llrender/lltexture.cpp
index 90fbcec2be..90fbcec2be 100644..100755
--- a/indra/llrender/lltexture.cpp
+++ b/indra/llrender/lltexture.cpp
diff --git a/indra/llrender/lltexture.h b/indra/llrender/lltexture.h
index 569a65c2e0..093bac20d1 100644..100755
--- a/indra/llrender/lltexture.h
+++ b/indra/llrender/lltexture.h
@@ -38,10 +38,9 @@ class LLTexUnit ;
 class LLFontGL ;
 
 //
-//this is an abstract class as the parent for the class LLViewerTexture
-//through the following virtual functions, the class LLViewerTexture can be reached from /llrender.
+//this is an abstract class as the parent for the class LLGLTexture
 //
-class LLTexture : public LLRefCount
+class LLTexture : public virtual LLRefCount
 {
 	friend class LLTexUnit ;
 	friend class LLFontGL ;
@@ -53,7 +52,7 @@ public:
 	LLTexture(){}
 
 	//
-	//interfaces to access LLViewerTexture
+	//interfaces to access LLGLTexture
 	//
 	virtual S8         getType() const = 0 ;
 	virtual void       setKnownDrawSize(S32 width, S32 height) = 0 ;
diff --git a/indra/llrender/lluiimage.cpp b/indra/llrender/lluiimage.cpp
new file mode 100644
index 0000000000..b954b66350
--- /dev/null
+++ b/indra/llrender/lluiimage.cpp
@@ -0,0 +1,243 @@
+/** 
+ * @file lluiimage.cpp
+ * @brief UI implementation
+ *
+ * $LicenseInfo:firstyear=2007&license=viewerlgpl$
+ * 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
+ * $/LicenseInfo$
+ */
+
+// Utilities functions the user interface needs
+
+//#include "llviewerprecompiledheaders.h"
+#include "linden_common.h"
+
+// Project includes
+#include "lluiimage.h"
+#include "llrender2dutils.h"
+
+LLUIImage::LLUIImage(const std::string& name, LLPointer<LLTexture> image)
+:	mName(name),
+	mImage(image),
+	mScaleRegion(0.f, 1.f, 1.f, 0.f),
+	mClipRegion(0.f, 1.f, 1.f, 0.f),
+	mUniformScaling(TRUE),
+	mNoClip(TRUE),
+	mImageLoaded(NULL)
+{
+}
+
+LLUIImage::~LLUIImage()
+{
+	delete mImageLoaded;
+}
+
+void LLUIImage::setClipRegion(const LLRectf& region) 
+{ 
+	mClipRegion = region; 
+	mNoClip = mClipRegion.mLeft == 0.f
+				&& mClipRegion.mRight == 1.f
+				&& mClipRegion.mBottom == 0.f
+				&& mClipRegion.mTop == 1.f;
+}
+
+void LLUIImage::setScaleRegion(const LLRectf& region) 
+{ 
+	mScaleRegion = region; 
+	mUniformScaling = mScaleRegion.mLeft == 0.f
+					&& mScaleRegion.mRight == 1.f
+					&& mScaleRegion.mBottom == 0.f
+					&& mScaleRegion.mTop == 1.f;
+}
+
+//TODO: move drawing implementation inside class
+void LLUIImage::draw(S32 x, S32 y, const LLColor4& color) const
+{
+	gl_draw_scaled_image(x, y, getWidth(), getHeight(), mImage, color, mClipRegion);
+}
+
+void LLUIImage::draw(S32 x, S32 y, S32 width, S32 height, const LLColor4& color) const
+{
+	if (mUniformScaling)
+	{
+		gl_draw_scaled_image(x, y, width, height, mImage, color, mClipRegion);
+	}
+	else
+	{
+		gl_draw_scaled_image_with_border(
+			x, y, 
+			width, height, 
+			mImage, 
+			color,
+			FALSE,
+			mClipRegion,
+			mScaleRegion);
+	}
+}
+
+void LLUIImage::drawSolid(S32 x, S32 y, S32 width, S32 height, const LLColor4& color) const
+{
+	gl_draw_scaled_image_with_border(
+		x, y, 
+		width, height, 
+		mImage, 
+		color, 
+		TRUE,
+		mClipRegion,
+		mScaleRegion);
+}
+
+void LLUIImage::drawBorder(S32 x, S32 y, S32 width, S32 height, const LLColor4& color, S32 border_width) const
+{
+	LLRect border_rect;
+	border_rect.setOriginAndSize(x, y, width, height);
+	border_rect.stretch(border_width, border_width);
+	drawSolid(border_rect, color);
+}
+
+void LLUIImage::draw3D(const LLVector3& origin_agent, const LLVector3& x_axis, const LLVector3& y_axis, 
+						const LLRect& rect, const LLColor4& color)
+{
+	F32 border_scale = 1.f;
+	F32 border_height = (1.f - mScaleRegion.getHeight()) * getHeight();
+	F32 border_width = (1.f - mScaleRegion.getWidth()) * getWidth();
+	if (rect.getHeight() < border_height || rect.getWidth() < border_width)
+	{
+		 if(border_height - rect.getHeight() > border_width - rect.getWidth())
+		 {
+			 border_scale = (F32)rect.getHeight() / border_height;
+		 }
+		 else
+		 {
+			border_scale = (F32)rect.getWidth() / border_width;
+		 }
+	}
+
+	LLRender2D::pushMatrix();
+	{ 
+		LLVector3 rect_origin = origin_agent + (rect.mLeft * x_axis) + (rect.mBottom * y_axis); 
+		LLRender2D::translate(rect_origin.mV[VX],
+						rect_origin.mV[VY], 
+						rect_origin.mV[VZ]);
+		gGL.getTexUnit(0)->bind(getImage());
+		gGL.color4fv(color.mV);
+
+		LLRectf center_uv_rect(mClipRegion.mLeft + mScaleRegion.mLeft * mClipRegion.getWidth(),
+							mClipRegion.mBottom + mScaleRegion.mTop * mClipRegion.getHeight(),
+							mClipRegion.mLeft + mScaleRegion.mRight * mClipRegion.getWidth(),
+							mClipRegion.mBottom + mScaleRegion.mBottom * mClipRegion.getHeight());
+		gl_segmented_rect_3d_tex(mClipRegion,
+								center_uv_rect,
+								LLRectf(border_width * border_scale * 0.5f / (F32)rect.getWidth(),
+										(rect.getHeight() - (border_height * border_scale * 0.5f)) / (F32)rect.getHeight(),
+										(rect.getWidth() - (border_width * border_scale * 0.5f)) / (F32)rect.getWidth(),
+										(border_height * border_scale * 0.5f) / (F32)rect.getHeight()),
+								rect.getWidth() * x_axis, 
+								rect.getHeight() * y_axis);
+		
+	} LLRender2D::popMatrix();
+}
+
+
+S32 LLUIImage::getWidth() const
+{ 
+	// return clipped dimensions of actual image area
+	return llround((F32)mImage->getWidth(0) * mClipRegion.getWidth()); 
+}
+
+S32 LLUIImage::getHeight() const
+{ 
+	// return clipped dimensions of actual image area
+	return llround((F32)mImage->getHeight(0) * mClipRegion.getHeight()); 
+}
+
+S32 LLUIImage::getTextureWidth() const
+{
+	return mImage->getWidth(0);
+}
+
+S32 LLUIImage::getTextureHeight() const
+{
+	return mImage->getHeight(0);
+}
+
+boost::signals2::connection LLUIImage::addLoadedCallback( const image_loaded_signal_t::slot_type& cb ) 
+{
+	if (!mImageLoaded) 
+	{
+		mImageLoaded = new image_loaded_signal_t();
+	}
+	return mImageLoaded->connect(cb);
+}
+
+
+void LLUIImage::onImageLoaded()
+{
+	if (mImageLoaded)
+	{
+		(*mImageLoaded)();
+	}
+}
+
+
+namespace LLInitParam
+{
+	void ParamValue<LLUIImage*>::updateValueFromBlock()
+	{
+		// The keyword "none" is specifically requesting a null image
+		// do not default to current value. Used to overwrite template images. 
+		if (name() == "none")
+		{
+			updateValue(NULL);
+			return;
+		}
+
+		LLUIImage* imagep =  LLRender2D::getUIImage(name());
+		if (imagep)
+		{
+			updateValue(imagep);
+		}
+	}
+	
+	void ParamValue<LLUIImage*>::updateBlockFromValue(bool make_block_authoritative)
+	{
+		if (getValue() == NULL)
+		{
+			name.set("none", make_block_authoritative);
+		}
+		else
+		{
+			name.set(getValue()->getName(), make_block_authoritative);
+		}
+	}
+
+	
+	bool ParamCompare<LLUIImage*, false>::equals(
+		LLUIImage* const &a,
+		LLUIImage* const &b)
+	{
+		// force all LLUIImages for XML UI export to be "non-default"
+		if (!a && !b)
+			return false;
+		else
+			return (a == b);
+	}
+}
+
diff --git a/indra/llrender/lluiimage.h b/indra/llrender/lluiimage.h
new file mode 100644
index 0000000000..7817ba1c7b
--- /dev/null
+++ b/indra/llrender/lluiimage.h
@@ -0,0 +1,126 @@
+/** 
+ * @file lluiimage.h
+ * @brief wrapper for images used in the UI that handles smart scaling, etc.
+ *
+ * $LicenseInfo:firstyear=2007&license=viewerlgpl$
+ * 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_LLUIIMAGE_H
+#define LL_LLUIIMAGE_H
+
+#include "v4color.h"
+#include "llpointer.h"
+#include "llrefcount.h"
+#include "llrefcount.h"
+#include "llrect.h"
+#include <boost/function.hpp>
+#include <boost/signals2.hpp>
+#include "llinitparam.h"
+#include "lltexture.h"
+
+extern const LLColor4 UI_VERTEX_COLOR;
+
+class LLUIImage : public LLRefCount
+{
+public:
+	typedef boost::signals2::signal<void (void)> image_loaded_signal_t;
+
+	LLUIImage(const std::string& name, LLPointer<LLTexture> image);
+	virtual ~LLUIImage();
+
+	void setClipRegion(const LLRectf& region);
+	void setScaleRegion(const LLRectf& region);
+
+	LLPointer<LLTexture> getImage() { return mImage; }
+	const LLPointer<LLTexture>& getImage() const { return mImage; }
+
+	void draw(S32 x, S32 y, S32 width, S32 height, const LLColor4& color = UI_VERTEX_COLOR) const;
+	void draw(S32 x, S32 y, const LLColor4& color = UI_VERTEX_COLOR) const;
+	void draw(const LLRect& rect, const LLColor4& color = UI_VERTEX_COLOR) const { draw(rect.mLeft, rect.mBottom, rect.getWidth(), rect.getHeight(), color); }
+	
+	void drawSolid(S32 x, S32 y, S32 width, S32 height, const LLColor4& color) const;
+	void drawSolid(const LLRect& rect, const LLColor4& color) const { drawSolid(rect.mLeft, rect.mBottom, rect.getWidth(), rect.getHeight(), color); }
+	void drawSolid(S32 x, S32 y, const LLColor4& color) const { drawSolid(x, y, getWidth(), getHeight(), color); }
+
+	void drawBorder(S32 x, S32 y, S32 width, S32 height, const LLColor4& color, S32 border_width) const;
+	void drawBorder(const LLRect& rect, const LLColor4& color, S32 border_width) const { drawBorder(rect.mLeft, rect.mBottom, rect.getWidth(), rect.getHeight(), color, border_width); }
+	void drawBorder(S32 x, S32 y, const LLColor4& color, S32 border_width) const { drawBorder(x, y, getWidth(), getHeight(), color, border_width); }
+
+	void draw3D(const LLVector3& origin_agent, const LLVector3& x_axis, const LLVector3& y_axis, const LLRect& rect, const LLColor4& color);
+
+	const std::string& getName() const { return mName; }
+
+	virtual S32 getWidth() const;
+	virtual S32 getHeight() const;
+
+	// returns dimensions of underlying textures, which might not be equal to ui image portion
+	S32 getTextureWidth() const;
+	S32 getTextureHeight() const;
+
+	boost::signals2::connection addLoadedCallback( const image_loaded_signal_t::slot_type& cb );
+
+	void onImageLoaded();
+
+protected:
+	image_loaded_signal_t* mImageLoaded;
+
+	std::string			mName;
+	LLRectf				mScaleRegion;
+	LLRectf				mClipRegion;
+	LLPointer<LLTexture> mImage;
+	BOOL				mUniformScaling;
+	BOOL				mNoClip;
+};
+
+namespace LLInitParam
+{
+	template<>
+	class ParamValue<LLUIImage*> 
+	:	public CustomParamValue<LLUIImage*>
+	{
+		typedef boost::add_reference<boost::add_const<LLUIImage*>::type>::type	T_const_ref;
+		typedef CustomParamValue<LLUIImage*> super_t;
+	public:
+		Optional<std::string> name;
+
+		ParamValue(LLUIImage* const& image = NULL)
+		:	super_t(image)
+		{
+			updateBlockFromValue(false);
+			addSynonym(name, "name");
+		}
+
+		void updateValueFromBlock();
+		void updateBlockFromValue(bool make_block_authoritative);
+	};
+
+	// Need custom comparison function for our test app, which only loads
+	// LLUIImage* as NULL.
+	template<>
+	struct ParamCompare<LLUIImage*, false>
+	{
+		static bool equals(LLUIImage* const &a, LLUIImage* const &b);
+	};
+}
+
+typedef LLPointer<LLUIImage> LLUIImagePtr;
+#endif
diff --git a/indra/llrender/llvertexbuffer.cpp b/indra/llrender/llvertexbuffer.cpp
index 2fe0aa0b72..01541026b1 100644..100755
--- a/indra/llrender/llvertexbuffer.cpp
+++ b/indra/llrender/llvertexbuffer.cpp
@@ -31,7 +31,6 @@
 #include "llvertexbuffer.h"
 // #include "llrender.h"
 #include "llglheaders.h"
-#include "llmemtype.h"
 #include "llrender.h"
 #include "llvector4a.h"
 #include "llshadermgr.h"
@@ -343,13 +342,32 @@ S32 LLVertexBuffer::sTypeSize[LLVertexBuffer::TYPE_MAX] =
 	sizeof(LLVector2), // TYPE_TEXCOORD3,
 	sizeof(LLColor4U), // TYPE_COLOR,
 	sizeof(LLColor4U), // TYPE_EMISSIVE, only alpha is used currently
-	sizeof(LLVector4), // TYPE_BINORMAL,
+	sizeof(LLVector4), // TYPE_TANGENT,
 	sizeof(F32),	   // TYPE_WEIGHT,
 	sizeof(LLVector4), // TYPE_WEIGHT4,
 	sizeof(LLVector4), // TYPE_CLOTHWEIGHT,
 	sizeof(LLVector4), // TYPE_TEXTURE_INDEX (actually exists as position.w), no extra data, but stride is 16 bytes
 };
 
+static std::string vb_type_name[] =
+{
+	"TYPE_VERTEX",
+	"TYPE_NORMAL",
+	"TYPE_TEXCOORD0",
+	"TYPE_TEXCOORD1",
+	"TYPE_TEXCOORD2",
+	"TYPE_TEXCOORD3",
+	"TYPE_COLOR",
+	"TYPE_EMISSIVE",
+	"TYPE_TANGENT",
+	"TYPE_WEIGHT",
+	"TYPE_WEIGHT4",
+	"TYPE_CLOTHWEIGHT",
+	"TYPE_TEXTURE_INDEX",
+	"TYPE_MAX",
+	"TYPE_INDEX",	
+};
+
 U32 LLVertexBuffer::sGLMode[LLRender::NUM_MODES] = 
 {
 	GL_TRIANGLES,
@@ -403,7 +421,6 @@ void LLVertexBuffer::setupClientArrays(U32 data_mask)
 {
 	if (sLastMask != data_mask)
 	{
-		bool error = false;
 
 		if (gGLManager.mGLSLVersionMajor < 2 && gGLManager.mGLSLVersionMinor < 30)
 		{
@@ -470,7 +487,6 @@ void LLVertexBuffer::setupClientArrays(U32 data_mask)
 						{
 							if (gDebugSession)
 							{
-								error = true;
 								gFailLog << "Bad client state! " << array[i] << " disabled." << std::endl;
 							}
 							else
@@ -490,7 +506,6 @@ void LLVertexBuffer::setupClientArrays(U32 data_mask)
 					{ //needs to be disabled, make sure it was (DEBUG TEMPORARY)
 						if (gDebugSession)
 						{
-							error = true;
 							gFailLog << "Bad client state! " << array[i] << " enabled." << std::endl;
 						}
 						else
@@ -527,16 +542,16 @@ void LLVertexBuffer::setupClientArrays(U32 data_mask)
 				}
 			}
 
-			if (sLastMask & MAP_BINORMAL)
+			if (sLastMask & MAP_TANGENT)
 			{
-				if (!(data_mask & MAP_BINORMAL))
+				if (!(data_mask & MAP_TANGENT))
 				{
 					glClientActiveTextureARB(GL_TEXTURE2_ARB);
 					glDisableClientState(GL_TEXTURE_COORD_ARRAY);
 					glClientActiveTextureARB(GL_TEXTURE0_ARB);
 				}
 			}
-			else if (data_mask & MAP_BINORMAL)
+			else if (data_mask & MAP_TANGENT)
 			{
 				glClientActiveTextureARB(GL_TEXTURE2_ARB);
 				glEnableClientState(GL_TEXTURE_COORD_ARRAY);
@@ -549,8 +564,10 @@ void LLVertexBuffer::setupClientArrays(U32 data_mask)
 }
 
 //static
+static LLFastTimer::DeclareTimer FTM_VB_DRAW_ARRAYS("drawArrays");
 void LLVertexBuffer::drawArrays(U32 mode, const std::vector<LLVector3>& pos, const std::vector<LLVector3>& norm)
 {
+	LLFastTimer t(FTM_VB_DRAW_ARRAYS);
 	llassert(!LLGLSLShader::sNoFixedFunction || LLGLSLShader::sCurBoundShaderPtr != NULL);
 	gGL.syncMatrices();
 
@@ -595,8 +612,9 @@ void LLVertexBuffer::drawArrays(U32 mode, const std::vector<LLVector3>& pos, con
 		glVertexPointer(3, GL_FLOAT, 0, pos[0].mV);
 		glNormalPointer(GL_FLOAT, 0, norm[0].mV);
 	}
-
+	LLGLSLShader::startProfile();
 	glDrawArrays(sGLMode[mode], 0, count);
+	LLGLSLShader::stopProfile(count, mode);
 }
 
 //static
@@ -633,7 +651,9 @@ void LLVertexBuffer::drawElements(U32 mode, const LLVector4a* pos, const LLVecto
 		glVertexPointer(3, GL_FLOAT, 16, pos);
 	}
 
+	LLGLSLShader::startProfile();
 	glDrawElements(sGLMode[mode], num_indices, GL_UNSIGNED_SHORT, indicesp);
+	LLGLSLShader::stopProfile(num_indices, mode);
 }
 
 void LLVertexBuffer::validateRange(U32 start, U32 end, U32 count, U32 indices_offset) const
@@ -733,9 +753,14 @@ void LLVertexBuffer::drawRange(U32 mode, U32 start, U32 end, U32 count, U32 indi
 	U16* idx = ((U16*) getIndicesPointer())+indices_offset;
 
 	stop_glerror();
+	LLGLSLShader::startProfile();
 	glDrawRangeElements(sGLMode[mode], start, end, count, GL_UNSIGNED_SHORT, 
 		idx);
+	LLGLSLShader::stopProfile(count, mode);
 	stop_glerror();
+
+	
+
 	placeFence();
 }
 
@@ -779,12 +804,15 @@ void LLVertexBuffer::draw(U32 mode, U32 count, U32 indices_offset) const
 	}
 
 	stop_glerror();
+	LLGLSLShader::startProfile();
 	glDrawElements(sGLMode[mode], count, GL_UNSIGNED_SHORT,
 		((U16*) getIndicesPointer()) + indices_offset);
+	LLGLSLShader::stopProfile(count, mode);
 	stop_glerror();
 	placeFence();
 }
 
+static LLFastTimer::DeclareTimer FTM_GL_DRAW_ARRAYS("GL draw arrays");
 void LLVertexBuffer::drawArrays(U32 mode, U32 first, U32 count) const
 {
 	llassert(!LLGLSLShader::sNoFixedFunction || LLGLSLShader::sCurBoundShaderPtr != NULL);
@@ -819,8 +847,14 @@ void LLVertexBuffer::drawArrays(U32 mode, U32 first, U32 count) const
 		return;
 	}
 
+	{
+		LLFastTimer t2(FTM_GL_DRAW_ARRAYS);
 	stop_glerror();
+	LLGLSLShader::startProfile();
 	glDrawArrays(sGLMode[mode], first, count);
+	LLGLSLShader::stopProfile(count, mode);
+        }
+
 	stop_glerror();
 	placeFence();
 }
@@ -870,7 +904,6 @@ void LLVertexBuffer::unbind()
 //static
 void LLVertexBuffer::cleanupClass()
 {
-	LLMemType mt2(LLMemType::MTYPE_VERTEX_CLEANUP_CLASS);
 	unbind();
 	
 	sStreamIBOPool.cleanup();
@@ -951,8 +984,6 @@ LLVertexBuffer::LLVertexBuffer(U32 typemask, S32 usage) :
 	mMappable(false),
 	mFence(NULL)
 {
-	LLMemType mt2(LLMemType::MTYPE_VERTEX_CONSTRUCTOR);
-
 	mMappable = (mUsage == GL_DYNAMIC_DRAW_ARB && !sDisableVBOMapping);
 
 	//zero out offsets
@@ -1012,7 +1043,6 @@ S32 LLVertexBuffer::getSize() const
 //virtual
 LLVertexBuffer::~LLVertexBuffer()
 {
-	LLMemType mt2(LLMemType::MTYPE_VERTEX_DESTRUCTOR);
 	destroyGLBuffer();
 	destroyGLIndices();
 
@@ -1132,8 +1162,6 @@ void LLVertexBuffer::releaseIndices()
 
 void LLVertexBuffer::createGLBuffer(U32 size)
 {
-	LLMemType mt2(LLMemType::MTYPE_VERTEX_CREATE_VERTICES);
-	
 	if (mGLBuffer)
 	{
 		destroyGLBuffer();
@@ -1163,8 +1191,6 @@ void LLVertexBuffer::createGLBuffer(U32 size)
 
 void LLVertexBuffer::createGLIndices(U32 size)
 {
-	LLMemType mt2(LLMemType::MTYPE_VERTEX_CREATE_INDICES);
-	
 	if (mGLIndices)
 	{
 		destroyGLIndices();
@@ -1199,7 +1225,6 @@ void LLVertexBuffer::createGLIndices(U32 size)
 
 void LLVertexBuffer::destroyGLBuffer()
 {
-	LLMemType mt2(LLMemType::MTYPE_VERTEX_DESTROY_BUFFER);
 	if (mGLBuffer)
 	{
 		if (mMappedDataUsingVBOs)
@@ -1220,7 +1245,6 @@ void LLVertexBuffer::destroyGLBuffer()
 
 void LLVertexBuffer::destroyGLIndices()
 {
-	LLMemType mt2(LLMemType::MTYPE_VERTEX_DESTROY_INDICES);
 	if (mGLIndices)
 	{
 		if (mMappedIndexDataUsingVBOs)
@@ -1241,8 +1265,6 @@ void LLVertexBuffer::destroyGLIndices()
 
 void LLVertexBuffer::updateNumVerts(S32 nverts)
 {
-	LLMemType mt2(LLMemType::MTYPE_VERTEX_UPDATE_VERTS);
-
 	llassert(nverts >= 0);
 
 	if (nverts > 65536)
@@ -1265,8 +1287,6 @@ void LLVertexBuffer::updateNumVerts(S32 nverts)
 
 void LLVertexBuffer::updateNumIndices(S32 nindices)
 {
-	LLMemType mt2(LLMemType::MTYPE_VERTEX_UPDATE_INDICES);
-
 	llassert(nindices >= 0);
 
 	U32 needed_size = sizeof(U16) * nindices;
@@ -1283,8 +1303,6 @@ void LLVertexBuffer::updateNumIndices(S32 nindices)
 
 void LLVertexBuffer::allocateBuffer(S32 nverts, S32 nindices, bool create)
 {
-	LLMemType mt2(LLMemType::MTYPE_VERTEX_ALLOCATE_BUFFER);
-	
 	stop_glerror();
 
 	if (nverts < 0 || nindices < 0 ||
@@ -1336,7 +1354,7 @@ void LLVertexBuffer::setupVertexArray()
 		2, //TYPE_TEXCOORD3,
 		4, //TYPE_COLOR,
 		4, //TYPE_EMISSIVE,
-		3, //TYPE_BINORMAL,
+		4, //TYPE_TANGENT,
 		1, //TYPE_WEIGHT,
 		4, //TYPE_WEIGHT4,
 		4, //TYPE_CLOTHWEIGHT,
@@ -1353,7 +1371,7 @@ void LLVertexBuffer::setupVertexArray()
 		GL_FLOAT, //TYPE_TEXCOORD3,
 		GL_UNSIGNED_BYTE, //TYPE_COLOR,
 		GL_UNSIGNED_BYTE, //TYPE_EMISSIVE,
-		GL_FLOAT,   //TYPE_BINORMAL,
+		GL_FLOAT,   //TYPE_TANGENT,
 		GL_FLOAT, //TYPE_WEIGHT,
 		GL_FLOAT, //TYPE_WEIGHT4,
 		GL_FLOAT, //TYPE_CLOTHWEIGHT,
@@ -1370,7 +1388,7 @@ void LLVertexBuffer::setupVertexArray()
 		false, //TYPE_TEXCOORD3,
 		false, //TYPE_COLOR,
 		false, //TYPE_EMISSIVE,
-		false, //TYPE_BINORMAL,
+		false, //TYPE_TANGENT,
 		false, //TYPE_WEIGHT,
 		false, //TYPE_WEIGHT4,
 		false, //TYPE_CLOTHWEIGHT,
@@ -1387,7 +1405,7 @@ void LLVertexBuffer::setupVertexArray()
 		GL_FALSE, //TYPE_TEXCOORD3,
 		GL_TRUE, //TYPE_COLOR,
 		GL_TRUE, //TYPE_EMISSIVE,
-		GL_FALSE,   //TYPE_BINORMAL,
+		GL_FALSE,   //TYPE_TANGENT,
 		GL_FALSE, //TYPE_WEIGHT,
 		GL_FALSE, //TYPE_WEIGHT4,
 		GL_FALSE, //TYPE_CLOTHWEIGHT,
@@ -1435,8 +1453,6 @@ void LLVertexBuffer::resizeBuffer(S32 newnverts, S32 newnindices)
 	llassert(newnverts >= 0);
 	llassert(newnindices >= 0);
 
-	LLMemType mt2(LLMemType::MTYPE_VERTEX_RESIZE_BUFFER);
-	
 	updateNumVerts(newnverts);		
 	updateNumIndices(newnindices);
 	
@@ -1484,7 +1500,6 @@ static LLFastTimer::DeclareTimer FTM_VBO_MAP_BUFFER("VBO Map");
 volatile U8* LLVertexBuffer::mapVertexBuffer(S32 type, S32 index, S32 count, bool map_range)
 {
 	bindGLBuffer(true);
-	LLMemType mt2(LLMemType::MTYPE_VERTEX_MAP_BUFFER);
 	if (mFinal)
 	{
 		llerrs << "LLVertexBuffer::mapVeretxBuffer() called on a finalized buffer." << llendl;
@@ -1533,7 +1548,6 @@ volatile U8* LLVertexBuffer::mapVertexBuffer(S32 type, S32 index, S32 count, boo
 
 		if (!mVertexLocked)
 		{
-			LLMemType mt_v(LLMemType::MTYPE_VERTEX_MAP_BUFFER_VERTICES);
 			mVertexLocked = true;
 			sMappedCount++;
 			stop_glerror();	
@@ -1586,8 +1600,10 @@ volatile U8* LLVertexBuffer::mapVertexBuffer(S32 type, S32 index, S32 count, boo
 				{
 					if (map_range)
 					{
+#ifndef LL_MESA_HEADLESS
 						glBufferParameteriAPPLE(GL_ARRAY_BUFFER_ARB, GL_BUFFER_SERIALIZED_MODIFY_APPLE, GL_FALSE);
 						glBufferParameteriAPPLE(GL_ARRAY_BUFFER_ARB, GL_BUFFER_FLUSHING_UNMAP_APPLE, GL_FALSE);
+#endif
 						src = (U8*) glMapBufferARB(GL_ARRAY_BUFFER_ARB, GL_WRITE_ONLY_ARB);
 					}
 					else
@@ -1664,7 +1680,6 @@ static LLFastTimer::DeclareTimer FTM_VBO_MAP_INDEX("IBO Map");
 
 volatile U8* LLVertexBuffer::mapIndexBuffer(S32 index, S32 count, bool map_range)
 {
-	LLMemType mt2(LLMemType::MTYPE_VERTEX_MAP_BUFFER);
 	bindGLIndices(true);
 	if (mFinal)
 	{
@@ -1711,8 +1726,6 @@ volatile U8* LLVertexBuffer::mapIndexBuffer(S32 index, S32 count, bool map_range
 
 		if (!mIndexLocked)
 		{
-			LLMemType mt_v(LLMemType::MTYPE_VERTEX_MAP_BUFFER_INDICES);
-
 			mIndexLocked = true;
 			sMappedCount++;
 			stop_glerror();	
@@ -1764,8 +1777,10 @@ volatile U8* LLVertexBuffer::mapIndexBuffer(S32 index, S32 count, bool map_range
 				{
 					if (map_range)
 					{
+#ifndef LL_MESA_HEADLESS
 						glBufferParameteriAPPLE(GL_ELEMENT_ARRAY_BUFFER_ARB, GL_BUFFER_SERIALIZED_MODIFY_APPLE, GL_FALSE);
 						glBufferParameteriAPPLE(GL_ELEMENT_ARRAY_BUFFER_ARB, GL_BUFFER_FLUSHING_UNMAP_APPLE, GL_FALSE);
+#endif
 						src = (U8*) glMapBufferARB(GL_ELEMENT_ARRAY_BUFFER_ARB, GL_WRITE_ONLY_ARB);
 					}
 					else
@@ -1835,7 +1850,6 @@ static LLFastTimer::DeclareTimer FTM_IBO_FLUSH_RANGE("Flush IBO Range");
 
 void LLVertexBuffer::unmapBuffer()
 {
-	LLMemType mt2(LLMemType::MTYPE_VERTEX_UNMAP_BUFFER);
 	if (!useVBOs())
 	{
 		return; //nothing to unmap
@@ -1893,7 +1907,9 @@ void LLVertexBuffer::unmapBuffer()
 						}
 						else if (gGLManager.mHasFlushBufferRange)
 						{
+#ifndef LL_MESA_HEADLESS
 							glFlushMappedBufferRangeAPPLE(GL_ARRAY_BUFFER_ARB, offset, length);
+#endif
 						}
 						stop_glerror();
 					}
@@ -1959,8 +1975,10 @@ void LLVertexBuffer::unmapBuffer()
 						else if (gGLManager.mHasFlushBufferRange)
 						{
 #ifdef GL_APPLE_flush_buffer_range
+#ifndef LL_MESA_HEADLESS
 							glFlushMappedBufferRangeAPPLE(GL_ELEMENT_ARRAY_BUFFER_ARB, offset, length);
 #endif
+#endif
 						}
 						stop_glerror();
 					}
@@ -2052,14 +2070,21 @@ bool LLVertexBuffer::getTexCoord1Strider(LLStrider<LLVector2>& strider, S32 inde
 {
 	return VertexBufferStrider<LLVector2,TYPE_TEXCOORD1>::get(*this, strider, index, count, map_range);
 }
-
+bool LLVertexBuffer::getTexCoord2Strider(LLStrider<LLVector2>& strider, S32 index, S32 count, bool map_range)
+{
+	return VertexBufferStrider<LLVector2,TYPE_TEXCOORD2>::get(*this, strider, index, count, map_range);
+}
 bool LLVertexBuffer::getNormalStrider(LLStrider<LLVector3>& strider, S32 index, S32 count, bool map_range)
 {
 	return VertexBufferStrider<LLVector3,TYPE_NORMAL>::get(*this, strider, index, count, map_range);
 }
-bool LLVertexBuffer::getBinormalStrider(LLStrider<LLVector3>& strider, S32 index, S32 count, bool map_range)
+bool LLVertexBuffer::getTangentStrider(LLStrider<LLVector3>& strider, S32 index, S32 count, bool map_range)
+{
+	return VertexBufferStrider<LLVector3,TYPE_TANGENT>::get(*this, strider, index, count, map_range);
+}
+bool LLVertexBuffer::getTangentStrider(LLStrider<LLVector4a>& strider, S32 index, S32 count, bool map_range)
 {
-	return VertexBufferStrider<LLVector3,TYPE_BINORMAL>::get(*this, strider, index, count, map_range);
+	return VertexBufferStrider<LLVector4a,TYPE_TANGENT>::get(*this, strider, index, count, map_range);
 }
 bool LLVertexBuffer::getColorStrider(LLStrider<LLColor4U>& strider, S32 index, S32 count, bool map_range)
 {
@@ -2189,7 +2214,6 @@ void LLVertexBuffer::setBuffer(U32 data_mask)
 {
 	flush();
 
-	LLMemType mt2(LLMemType::MTYPE_VERTEX_SET_BUFFER);
 	//set up pointers if the data mask is different ...
 	bool setup = (sLastMask != data_mask);
 
@@ -2215,7 +2239,7 @@ void LLVertexBuffer::setBuffer(U32 data_mask)
 
 			if ((data_mask & required_mask) != required_mask)
 			{
-				llerrs << "Shader consumption mismatches data provision." << llendl;
+				llwarns << "Shader consumption mismatches data provision." << llendl;
 			}
 		}
 	}
@@ -2235,7 +2259,6 @@ void LLVertexBuffer::setBuffer(U32 data_mask)
 			setup = setup || bindBuffer || bindIndices;
 		}
 
-		bool error = false;
 		if (gDebugGL && !mGLArray)
 		{
 			GLint buff;
@@ -2244,7 +2267,6 @@ void LLVertexBuffer::setBuffer(U32 data_mask)
 			{
 				if (gDebugSession)
 				{
-					error = true;
 					gFailLog << "Invalid GL vertex buffer bound: " << buff << std::endl;
 				}
 				else
@@ -2260,7 +2282,6 @@ void LLVertexBuffer::setBuffer(U32 data_mask)
 				{
 					if (gDebugSession)
 					{
-						error = true;
 						gFailLog << "Invalid GL index buffer bound: " << buff <<  std::endl;
 					}
 					else
@@ -2331,12 +2352,19 @@ void LLVertexBuffer::setBuffer(U32 data_mask)
 // virtual (default)
 void LLVertexBuffer::setupVertexBuffer(U32 data_mask)
 {
-	LLMemType mt2(LLMemType::MTYPE_VERTEX_SETUP_VERTEX_BUFFER);
 	stop_glerror();
 	volatile U8* base = useVBOs() ? (U8*) mAlignedOffset : mMappedData;
 
 	if (gDebugGL && ((data_mask & mTypeMask) != data_mask))
 	{
+		for (U32 i = 0; i < LLVertexBuffer::TYPE_MAX; ++i)
+		{
+			U32 mask = 1 << i;
+			if (mask & data_mask && !(mask & mTypeMask))
+			{ //bit set in data_mask, but not set in mTypeMask
+				llwarns << "Missing required component " << vb_type_name[i] << llendl;
+			}
+		}
 		llerrs << "LLVertexBuffer::setupVertexBuffer missing required components for supplied data mask." << llendl;
 	}
 
@@ -2366,11 +2394,11 @@ void LLVertexBuffer::setupVertexBuffer(U32 data_mask)
 			void* ptr = (void*)(base + mOffsets[TYPE_TEXCOORD1]);
 			glVertexAttribPointerARB(loc,2,GL_FLOAT, GL_FALSE, LLVertexBuffer::sTypeSize[TYPE_TEXCOORD1], ptr);
 		}
-		if (data_mask & MAP_BINORMAL)
+		if (data_mask & MAP_TANGENT)
 		{
-			S32 loc = TYPE_BINORMAL;
-			void* ptr = (void*)(base + mOffsets[TYPE_BINORMAL]);
-			glVertexAttribPointerARB(loc, 3,GL_FLOAT, GL_FALSE, LLVertexBuffer::sTypeSize[TYPE_BINORMAL], ptr);
+			S32 loc = TYPE_TANGENT;
+			void* ptr = (void*)(base + mOffsets[TYPE_TANGENT]);
+			glVertexAttribPointerARB(loc, 4,GL_FLOAT, GL_FALSE, LLVertexBuffer::sTypeSize[TYPE_TANGENT], ptr);
 		}
 		if (data_mask & MAP_TEXCOORD0)
 		{
@@ -2448,10 +2476,10 @@ void LLVertexBuffer::setupVertexBuffer(U32 data_mask)
 			glTexCoordPointer(2,GL_FLOAT, LLVertexBuffer::sTypeSize[TYPE_TEXCOORD1], (void*)(base + mOffsets[TYPE_TEXCOORD1]));
 			glClientActiveTextureARB(GL_TEXTURE0_ARB);
 		}
-		if (data_mask & MAP_BINORMAL)
+		if (data_mask & MAP_TANGENT)
 		{
 			glClientActiveTextureARB(GL_TEXTURE2_ARB);
-			glTexCoordPointer(3,GL_FLOAT, LLVertexBuffer::sTypeSize[TYPE_BINORMAL], (void*)(base + mOffsets[TYPE_BINORMAL]));
+			glTexCoordPointer(4,GL_FLOAT, LLVertexBuffer::sTypeSize[TYPE_TANGENT], (void*)(base + mOffsets[TYPE_TANGENT]));
 			glClientActiveTextureARB(GL_TEXTURE0_ARB);
 		}
 		if (data_mask & MAP_TEXCOORD0)
diff --git a/indra/llrender/llvertexbuffer.h b/indra/llrender/llvertexbuffer.h
index 11fa4ab6a0..04806c1d8c 100644..100755
--- a/indra/llrender/llvertexbuffer.h
+++ b/indra/llrender/llvertexbuffer.h
@@ -174,7 +174,7 @@ public:
 		TYPE_TEXCOORD3,
 		TYPE_COLOR,
 		TYPE_EMISSIVE,
-		TYPE_BINORMAL,
+		TYPE_TANGENT,
 		TYPE_WEIGHT,
 		TYPE_WEIGHT4,
 		TYPE_CLOTHWEIGHT,
@@ -192,7 +192,7 @@ public:
 		MAP_COLOR = (1<<TYPE_COLOR),
 		MAP_EMISSIVE = (1<<TYPE_EMISSIVE),
 		// These use VertexAttribPointer and should possibly be made generic
-		MAP_BINORMAL = (1<<TYPE_BINORMAL),
+		MAP_TANGENT = (1<<TYPE_TANGENT),
 		MAP_WEIGHT = (1<<TYPE_WEIGHT),
 		MAP_WEIGHT4 = (1<<TYPE_WEIGHT4),
 		MAP_CLOTHWEIGHT = (1<<TYPE_CLOTHWEIGHT),
@@ -250,8 +250,10 @@ public:
 	bool getIndexStrider(LLStrider<U16>& strider, S32 index=0, S32 count = -1, bool map_range = false);
 	bool getTexCoord0Strider(LLStrider<LLVector2>& strider, S32 index=0, S32 count = -1, bool map_range = false);
 	bool getTexCoord1Strider(LLStrider<LLVector2>& strider, S32 index=0, S32 count = -1, bool map_range = false);
+	bool getTexCoord2Strider(LLStrider<LLVector2>& strider, S32 index=0, S32 count = -1, bool map_range = false);
 	bool getNormalStrider(LLStrider<LLVector3>& strider, S32 index=0, S32 count = -1, bool map_range = false);
-	bool getBinormalStrider(LLStrider<LLVector3>& strider, S32 index=0, S32 count = -1, bool map_range = false);
+	bool getTangentStrider(LLStrider<LLVector3>& strider, S32 index=0, S32 count = -1, bool map_range = false);
+	bool getTangentStrider(LLStrider<LLVector4a>& strider, S32 index=0, S32 count = -1, bool map_range = false);
 	bool getColorStrider(LLStrider<LLColor4U>& strider, S32 index=0, S32 count = -1, bool map_range = false);
 	bool getTextureIndexStrider(LLStrider<LLColor4U>& strider, S32 index=0, S32 count = -1, bool map_range = false);
 	bool getEmissiveStrider(LLStrider<LLColor4U>& strider, S32 index=0, S32 count = -1, bool map_range = false);