From ead7bfc155ea022f81982c44e3a42678f622c1a7 Mon Sep 17 00:00:00 2001
From: nillerusr <nillerusr@users.noreply.github.com>
Date: Sun, 9 Jan 2022 19:32:21 +0300
Subject: [PATCH] Update ToGLES( fix occlusion query and other small things )

---
 appframework/glmdisplaydb_linuxwin.inl        |   1 +
 appframework/sdlmgr.cpp                       |  15 +-
 game/client/hud.cpp                           |   2 +-
 materialsystem/cmaterialsystem.cpp            |   5 +
 .../shaderapidx9/vertexshaderdx8.cpp          |  11 +-
 public/togles/linuxwin/glentrypoints.h        |  83 +++--
 public/togles/linuxwin/glfuncs.h              |  63 ++--
 public/togles/linuxwin/glmdebug.h             |   1 -
 public/togles/linuxwin/glmgr.h                |  40 ++-
 togles/linuxwin/cglmbuffer.cpp                |  20 +-
 togles/linuxwin/cglmprogram.cpp               |   6 +-
 togles/linuxwin/cglmquery.cpp                 |   4 +-
 togles/linuxwin/cglmtex.cpp                   | 296 +++++++++++-------
 togles/linuxwin/dx9asmtogl2.cpp               |  34 +-
 togles/linuxwin/dxabstract.cpp                |  10 +-
 togles/linuxwin/glentrypoints.cpp             |  34 +-
 togles/linuxwin/glmgr.cpp                     |  14 +-
 17 files changed, 373 insertions(+), 266 deletions(-)

diff --git a/appframework/glmdisplaydb_linuxwin.inl b/appframework/glmdisplaydb_linuxwin.inl
index ae52a34c..3a516f2a 100644
--- a/appframework/glmdisplaydb_linuxwin.inl
+++ b/appframework/glmdisplaydb_linuxwin.inl
@@ -42,6 +42,7 @@ void GLMRendererInfo::Init( GLMRendererInfoFields *info )
         m_info.m_atiNewer = true;
 
         m_info.m_hasGammaWrites = true;
+	m_info.m_cantAttachSRGB = false;
 
         // If you haven't created a GL context by now (and initialized gGL), you're about to crash.
 
diff --git a/appframework/sdlmgr.cpp b/appframework/sdlmgr.cpp
index d466411e..4fc1878e 100644
--- a/appframework/sdlmgr.cpp
+++ b/appframework/sdlmgr.cpp
@@ -60,6 +60,7 @@ const int kBogusSwapInterval = INT_MAX;
 #if defined ANDROID || defined TOGLES
 static void *l_gl4es = NULL;
 static void *l_egl = NULL;
+static void *l_gles = NULL;
 
 typedef void *(*t_glGetProcAddress)( const char * );
 t_glGetProcAddress _glGetProcAddress;
@@ -194,7 +195,14 @@ void *VoidFnPtrLookup_GlMgr(const char *fn, bool &okay, const bool bRequired, vo
 #if defined ANDROID || defined TOGLES
 	// SDL does the right thing, so we never need to use tier0 in this case.
 	if( _glGetProcAddress )
+	{
 		retval = _glGetProcAddress(fn);
+
+		Msg("_glGetProcAddress(%s) = %x\n", fn, retval);
+
+		if( !retval && l_gles )
+			retval = dlsym( l_gles, fn );
+	}
 	//printf("CDynamicFunctionOpenGL: SDL_GL_GetProcAddress(\"%s\") returned %p\n", fn, retval);
 	if ((retval == NULL) && (fallback != NULL))
 	{
@@ -507,8 +515,8 @@ InitReturnVal_t CSDLMgr::Init()
 			SDL_GL_SetAttribute( SDL_GL_CONTEXT_FLAGS, SDL_GL_CONTEXT_DEBUG_FLAG );
 		}
 
-#ifdef TOGLES
-		if (SDL_GL_LoadLibrary("libGLESv2.so") == -1)
+#if defined( TOGLES )
+		if (SDL_GL_LoadLibrary("libGLESv3.so") == -1)
 #else
 		if (SDL_GL_LoadLibrary(NULL) == -1)
 #endif
@@ -583,6 +591,7 @@ InitReturnVal_t CSDLMgr::Init()
 
 #ifdef TOGLES
 	l_egl = dlopen("libEGL.so", RTLD_LAZY);
+	l_gles = dlopen("libGLESv3.so", RTLD_LAZY);
 
 	if( l_egl )
 		_glGetProcAddress = (t_glGetProcAddress)dlsym(l_egl, "eglGetProcAddress");
@@ -590,7 +599,6 @@ InitReturnVal_t CSDLMgr::Init()
 	SET_GL_ATTR(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_ES);
 	SET_GL_ATTR(SDL_GL_CONTEXT_MAJOR_VERSION, 3);
 	SET_GL_ATTR(SDL_GL_CONTEXT_MINOR_VERSION, 0);
-
 #elif ANDROID
 	bool m_bOGL = false;
 
@@ -1405,6 +1413,7 @@ void CSDLMgr::ShowPixels( CShowPixelsParams *params )
 
 	m_flPrevGLSwapWindowTime = tm.GetDurationInProgress().GetMillisecondsF();
 
+	
 	CheckGLError( __LINE__ );
 }
 #endif // DX_TO_GL_ABSTRACTION
diff --git a/game/client/hud.cpp b/game/client/hud.cpp
index cbc2c849..c32f4b4f 100644
--- a/game/client/hud.cpp
+++ b/game/client/hud.cpp
@@ -811,7 +811,7 @@ void CHud::RefreshHudTextures()
 
 	// check to see if we have sprites for this res; if not, step down
 	LoadHudTextures( textureList, "scripts/hud_textures", NULL );
-	//LoadHudTextures( textureList, "scripts/mod_textures", NULL );
+	LoadHudTextures( textureList, "scripts/mod_textures", NULL );
 
 	// fix up all the texture icons first
 	int c = textureList.Count();
diff --git a/materialsystem/cmaterialsystem.cpp b/materialsystem/cmaterialsystem.cpp
index 3d19a168..0618d0c0 100644
--- a/materialsystem/cmaterialsystem.cpp
+++ b/materialsystem/cmaterialsystem.cpp
@@ -1872,7 +1872,12 @@ void CMaterialSystem::ReadConfigFromConVars( MaterialSystem_Config_t *pConfig )
 	pConfig->m_fGammaTVExponent = mat_monitorgamma_tv_exp.GetFloat();
 	pConfig->m_bGammaTVEnabled = mat_monitorgamma_tv_enabled.GetBool();
 
+#ifdef TOGLES
+	pConfig->m_nAASamples = 0;
+#else
 	pConfig->m_nAASamples = mat_antialias.GetInt();
+#endif
+
 	pConfig->m_nAAQuality = mat_aaquality.GetInt();
 	pConfig->bShowDiffuse = mat_diffuse.GetInt() ? true : false;	
 //	pConfig->bAllowCheats = false; // hack
diff --git a/materialsystem/shaderapidx9/vertexshaderdx8.cpp b/materialsystem/shaderapidx9/vertexshaderdx8.cpp
index b3f1063c..aa4931f2 100644
--- a/materialsystem/shaderapidx9/vertexshaderdx8.cpp
+++ b/materialsystem/shaderapidx9/vertexshaderdx8.cpp
@@ -160,13 +160,16 @@ static FILE *GetDebugFileHandle( void )
 #ifdef DX_TO_GL_ABSTRACTION
 	// mat_autoload_glshaders instructs the engine to load a cached shader table at startup
 	// it will try for glshaders.cfg first, then fall back to glbaseshaders.cfg if not found
-ConVar mat_autoload_glshaders( "mat_autoload_glshaders", "1" );
-
 	// mat_autosave_glshaders instructs the engine to save out the shader table at key points
 	// to the filename glshaders.cfg
 	//
-ConVar mat_autosave_glshaders( "mat_autosave_glshaders", "1" );
-
+#ifdef ANDROID
+	ConVar mat_autosave_glshaders( "mat_autosave_glshaders", "0" );
+	ConVar mat_autoload_glshaders( "mat_autoload_glshaders", "0" );
+#else
+	ConVar mat_autosave_glshaders( "mat_autosave_glshaders", "1" );
+	ConVar mat_autoload_glshaders( "mat_autoload_glshaders", "1" );
+#endif
 
 #endif
 //-----------------------------------------------------------------------------
diff --git a/public/togles/linuxwin/glentrypoints.h b/public/togles/linuxwin/glentrypoints.h
index 80611984..a7874463 100644
--- a/public/togles/linuxwin/glentrypoints.h
+++ b/public/togles/linuxwin/glentrypoints.h
@@ -38,8 +38,18 @@
 #include "interface.h"
 #include "togles/rendermechanism.h"
 
+#ifdef LINUX
+#include <sys/time.h>
+#endif
+
 void *VoidFnPtrLookup_GlMgr(const char *fn, bool &okay, const bool bRequired, void *fallback=NULL);
 
+/*
+#define GL_USE_EXECUTE_HELPER_FOR_ALL_API_CALLS 1
+#define GL_TRACK_API_TIME 1
+#define GL_DUMP_ALL_API_CALLS 1
+*/
+
 #if GL_USE_EXECUTE_HELPER_FOR_ALL_API_CALLS
 class CGLExecuteHelperBase
 {
@@ -47,7 +57,7 @@ public:
 	inline void StartCall(const char *pName);
 	inline void StopCall(const char *pName);
 #if GL_TRACK_API_TIME
-	TmU64 m_nStartTime;
+	uint64 m_nStartTime;
 #endif
 };
 
@@ -308,13 +318,14 @@ public:
 	GLDriverProvider_t m_nDriverProvider;		
 
 #ifdef OSX
-#define GL_EXT(x,glmajor,glminor) bool m_bHave_##x;
-#define GL_FUNC(ext,req,ret,fn,arg,call) CDynamicFunctionOpenGL< req, ret (*) arg, ret > fn;
-#define GL_FUNC_VOID(ext,req,fn,arg,call) CDynamicFunctionOpenGL< req, void (*) arg, void > fn;
-#else
 #define GL_EXT(x,glmajor,glminor) bool m_bHave_##x;
-#define GL_FUNC(ext,req,ret,fn,arg,call) CDynamicFunctionOpenGL< req, ret (APIENTRY *) arg, ret > fn;
-#define GL_FUNC_VOID(ext,req,fn,arg,call) CDynamicFunctionOpenGL< req, void (APIENTRY *) arg, void > fn;
+#define GL_FUNC(ext,req,ret,fn,arg,call) CDynamicFunctionOpenGL< req, ret (*) arg, ret > fn;
+#define GL_FUNC_VOID(ext,req,fn,arg,call) CDynamicFunctionOpenGL< req, void (*) arg, void > fn;
+#else
+#define _APIENTRY  __attribute__((pcs("aapcs"))) APIENTRY
+#define GL_EXT(x,glmajor,glminor) bool m_bHave_##x;
+#define GL_FUNC(ext,req,ret,fn,arg,call) CDynamicFunctionOpenGL< req, ret (_APIENTRY *) arg, ret > fn;
+#define GL_FUNC_VOID(ext,req,fn,arg,call) CDynamicFunctionOpenGL< req, void (_APIENTRY *) arg, void > fn;
 #endif
 	#include "togles/glfuncs.inl"
 	#undef GL_FUNC_VOID
@@ -347,54 +358,30 @@ typedef void * (*GL_GetProcAddressCallbackFunc_t)(const char *, bool &, const bo
 	DLL_IMPORT void ClearOpenGLEntryPoints();
 #endif
 
+inline uint64 get_nsecs()
+{
+	struct timespec time={0,0};
+    clock_gettime(CLOCK_MONOTONIC, &time);
+	return time.tv_nsec;
+}
+	
 #if GL_USE_EXECUTE_HELPER_FOR_ALL_API_CALLS
 inline void CGLExecuteHelperBase::StartCall(const char *pName) 
 { 
 	(void)pName;
-
-#if GL_TELEMETRY_ZONES	
-	tmEnter( TELEMETRY_LEVEL3, TMZF_NONE, pName );
-#endif
-
-#if GL_TRACK_API_TIME
-	m_nStartTime = tmFastTime();
-#endif
-
-#if GL_DUMP_ALL_API_CALLS
-	static bool s_bDumpCalls;
-	if ( s_bDumpCalls )
-	{
-		char buf[128];
-		buf[0] = 'G';
-		buf[1] = 'L';
-		buf[2] = ':';
-		size_t l = strlen( pName );
-		memcpy( buf + 3, pName, l );
-		buf[3 + l] = '\n';
-		buf[4 + l] = '\0';
-		Plat_DebugString( buf );
-	}
-#endif
+	m_nStartTime = get_nsecs();
 }
 
 inline void CGLExecuteHelperBase::StopCall(const char *pName) 
-{ 
-#if GL_TRACK_API_TIME
-	uint64 nTotalCycles = tmFastTime() - m_nStartTime;
-#endif
-
-#if GL_TELEMETRY_ZONES
-	tmLeave( TELEMETRY_LEVEL3 );
-#endif
-
-#if GL_TRACK_API_TIME	
-	//double flMilliseconds = g_Telemetry.flRDTSCToMilliSeconds * nTotalCycles;
-	if (gGL) 
-	{ 
-		gGL->m_nTotalGLCycles += nTotalCycles;
-		gGL->m_nTotalGLCalls++; 
-	} 
-#endif
+{
+	if( gGL )
+	{
+		uint64 time = get_nsecs() - m_nStartTime;
+		printf("Function %s finished in %llu\n", pName, time);
+		
+		if( strcmp(pName, "glBufferSubData") == 0 && time > 1000000 )
+			DebuggerBreak();
+	}
 }
 #endif
 
diff --git a/public/togles/linuxwin/glfuncs.h b/public/togles/linuxwin/glfuncs.h
index 220416a5..39dfdc87 100644
--- a/public/togles/linuxwin/glfuncs.h
+++ b/public/togles/linuxwin/glfuncs.h
@@ -36,7 +36,6 @@ GL_FUNC_VOID(OpenGL,true,glBlendEquation,(GLenum a),(a))
 GL_FUNC_VOID(OpenGL,true,glBlendFunc,(GLenum a,GLenum b),(a,b))
 GL_FUNC_VOID(OpenGL,true,glBufferData,(GLenum a, GLsizeiptr b, const GLvoid *c,GLenum d),(a,b,c,d))
 GL_FUNC_VOID(OpenGL,true,glClear,(GLbitfield a),(a))
-GL_FUNC_VOID(OpenGL,true,glClearDepthf,(GLfloat a),(a))
 GL_FUNC_VOID(OpenGL,true,glClearColor,(GLclampf a,GLclampf b,GLclampf c,GLclampf d),(a,b,c,d))
 GL_FUNC_VOID(OpenGL,true,glReadPixels, (GLint a, GLint b, GLsizei c, GLsizei d, GLenum e, GLenum f, void * g), (a,b,c,d,e,f,g))
 GL_FUNC_VOID(OpenGL,true,glClearStencil,(GLint a),(a))
@@ -55,13 +54,18 @@ GL_FUNC_VOID(OpenGL,true,glDeleteShader,(GLuint a),(a))
 GL_FUNC_VOID(OpenGL,true,glDeleteTextures,(GLsizei a,const GLuint *b),(a,b))
 GL_FUNC_VOID(OpenGL,true,glDepthFunc,(GLenum a),(a))
 GL_FUNC_VOID(OpenGL,true,glDepthMask,(GLboolean a),(a))
-GL_FUNC_VOID(OpenGL,true,glDepthRangef,(GLfloat a,GLfloat b),(a,b))
 GL_FUNC_VOID(OpenGL,true,glDisable,(GLenum a),(a))
 GL_FUNC_VOID(OpenGL,true,glDisableVertexAttribArray,(GLuint a),(a))
 GL_FUNC_VOID(OpenGL,true,glDrawArrays,(GLenum a,GLint b,GLsizei c),(a,b,c))
 GL_FUNC_VOID(OpenGL,true,glDrawBuffers,(GLsizei a,const GLenum *b),(a,b))
 GL_FUNC_VOID(OpenGL,true,glDetachShader,(GLuint a,GLuint b),(a,b))
 GL_FUNC_VOID(OpenGL,true,glDrawRangeElements,(GLenum a,GLuint b,GLuint c,GLsizei d,GLenum e,const GLvoid *f),(a,b,c,d,e,f))
+GL_FUNC_VOID(OpenGL,true,glGetSynciv,(GLsync a, GLenum b, GLsizei c, GLsizei *d, GLint *e),(a,b,c,d,e))
+GL_FUNC(OpenGL,true,GLenum,glClientWaitSync,(GLsync a, GLbitfield b, GLuint64 c),(a,b,c))
+GL_FUNC_VOID(OpenGL,true,glWaitSync,(GLsync a, GLbitfield b, GLuint64 c),(a,b,c))
+GL_FUNC_VOID(OpenGL,true,glDeleteSync,(GLsync a),(a))
+GL_FUNC(OpenGL,true,GLsync,glFenceSync,(GLenum a, GLbitfield b),(a,b))
+
 #ifndef OSX // 10.6/GL 2.1 compatability
 GL_FUNC_VOID(OpenGL,true,glDrawRangeElementsBaseVertex,(GLenum a,GLuint b,GLuint c,GLsizei d,GLenum e,const GLvoid *f, GLenum g),(a,b,c,d,e,f,g))
 #endif
@@ -73,7 +77,6 @@ GL_FUNC_VOID(OpenGL,true,glFrontFace,(GLenum a),(a))
 GL_FUNC_VOID(OpenGL,true,glGenBuffers,(GLsizei a,GLuint *b),(a,b))
 GL_FUNC_VOID(OpenGL,true,glGenTextures,(GLsizei a,GLuint *b),(a,b))
 GL_FUNC_VOID(OpenGL,true,glGetBooleanv,(GLenum a,GLboolean *b),(a,b))
-GL_FUNC_VOID(OpenGL,true,glGetFloatv,(GLenum a,GLfloat *b),(a,b))
 //GL_FUNC_VOID(OpenGL,true,glGetInfoLog,(GLuint a,GLsizei b,GLsizei *c,GLchar *d),(a,b,c,d))
 GL_FUNC_VOID(OpenGL,true,glGetIntegerv,(GLenum a,GLint *b),(a,b))
 GL_FUNC_VOID(OpenGL,true,glGetProgramiv,(GLenum a,GLenum b,GLint *c),(a,b,c))
@@ -85,7 +88,6 @@ GL_FUNC_VOID(OpenGL,true,glLinkProgram,(GLuint a),(a))
 //GL_FUNC_VOID(OpenGL,true,glOrtho,(GLdouble a,GLdouble b,GLdouble c,GLdouble d,GLdouble e,GLdouble f),(a,b,c,d,e,f))
 GL_FUNC_VOID(OpenGL,true,glPixelStorei,(GLenum a,GLint b),(a,b))
 //GL_FUNC_VOID(OpenGL,true,glPolygonMode,(GLenum a,GLenum b),(a,b))
-GL_FUNC_VOID(OpenGL,true,glPolygonOffset,(GLfloat a,GLfloat b),(a,b))
 GL_FUNC_VOID(OpenGL,true,glReadBuffer,(GLenum a),(a))
 GL_FUNC_VOID(OpenGL,true,glScissor,(GLint a,GLint b,GLsizei c,GLsizei d),(a,b,c,d))
 GL_FUNC_VOID(OpenGL,true,glShaderSource,(GLuint a,GLsizei b,const GLchar **c,const GLint *d),(a,b,c,d))
@@ -94,12 +96,9 @@ GL_FUNC_VOID(OpenGL,true,glStencilMask,(GLuint a),(a))
 GL_FUNC_VOID(OpenGL,true,glStencilOp,(GLenum a,GLenum b,GLenum c),(a,b,c))
 GL_FUNC_VOID(OpenGL,true,glTexImage2D,(GLenum a,GLint b,GLint c,GLsizei d,GLsizei e,GLint f,GLenum g,GLenum h,const GLvoid *i),(a,b,c,d,e,f,g,h,i))
 GL_FUNC_VOID(OpenGL,true,glTexImage3D,(GLenum a,GLint b,GLint c,GLsizei d,GLsizei e,GLsizei f,GLint g,GLenum h,GLenum i,const GLvoid *j),(a,b,c,d,e,f,g,h,i,j))
-GL_FUNC_VOID(OpenGL,true,glTexParameterfv,(GLenum a,GLenum b,const GLfloat *c),(a,b,c))
 GL_FUNC_VOID(OpenGL,true,glTexParameteri,(GLenum a,GLenum b,GLint c),(a,b,c))
 GL_FUNC_VOID(OpenGL,true,glTexSubImage2D,(GLenum a,GLint b,GLint c,GLint d,GLsizei e,GLsizei f,GLenum g,GLenum h,const GLvoid *i),(a,b,c,d,e,f,g,h,i))
-GL_FUNC_VOID(OpenGL,true,glUniform1f,(GLint a,GLfloat b),(a,b))
 GL_FUNC_VOID(OpenGL,true,glUniform1i,(GLint a,GLint b),(a,b))
-GL_FUNC_VOID(OpenGL,true,glUniform4fv,(GLint a,GLsizei b,const GLfloat *c),(a,b,c))
 GL_FUNC(OpenGL,true,GLboolean,glUnmapBuffer,(GLenum a),(a))
 GL_FUNC_VOID(OpenGL,true,glUseProgram,(GLuint a),(a))
 GL_FUNC_VOID(OpenGL,true,glVertexAttribPointer,(GLuint a,GLint b,GLenum c,GLboolean d,GLsizei e,const GLvoid *f),(a,b,c,d,e,f))
@@ -108,22 +107,8 @@ GL_FUNC_VOID(OpenGL,true,glClientActiveTexture,(GLenum a),(a))
 GL_FUNC_VOID(OpenGL,true,glStencilOpSeparate,(GLenum a,GLenum b,GLenum c,GLenum d),(a,b,c,d))
 GL_FUNC_VOID(OpenGL,true,glStencilFuncSeparate,(GLenum a,GLenum b,GLint c,GLuint d),(a,b,c,d))
 GL_FUNC_VOID(OpenGL,true,glGetTexLevelParameteriv,(GLenum a,GLint b,GLenum c,GLint *d),(a,b,c,d))
-GL_FUNC_VOID(OpenGL,true,glColor4f,(GLfloat a,GLfloat b,GLfloat c,GLfloat d),(a,b,c,d))
 GL_EXT(GL_EXT_framebuffer_object,-1,-1)
 GL_EXT(GL_EXT_framebuffer_blit,-1,-1)
-GL_EXT(GL_EXT_framebuffer_multisample,-1,-1)
-/*GL_FUNC_VOID(GL_EXT_framebuffer_object,false,glBindFramebufferEXT,(GLenum a,GLuint b),(a,b))
-GL_FUNC_VOID(GL_EXT_framebuffer_object,false,glBindRenderbufferEXT,(GLenum a,GLuint b),(a,b))
-GL_FUNC(GL_EXT_framebuffer_object,false,GLenum,glCheckFramebufferStatusEXT,(GLenum a),(a))
-GL_FUNC_VOID(GL_EXT_framebuffer_object,false,glDeleteRenderbuffersEXT,(GLsizei a,const GLuint *b),(a,b))
-GL_FUNC_VOID(GL_EXT_framebuffer_object,false,glFramebufferRenderbufferEXT,(GLenum a,GLenum b,GLenum c,GLuint d),(a,b,c,d))
-GL_FUNC_VOID(GL_EXT_framebuffer_object,false,glFramebufferTexture2DEXT,(GLenum a,GLenum b,GLenum c,GLuint d,GLint e),(a,b,c,d,e))
-GL_FUNC_VOID(GL_EXT_framebuffer_object,false,glFramebufferTexture3DEXT,(GLenum a,GLenum b,GLenum c,GLuint d,GLint e,GLint f),(a,b,c,d,e,f))
-GL_FUNC_VOID(GL_EXT_framebuffer_object,false,glGenFramebuffersEXT,(GLsizei a,GLuint *b),(a,b))
-GL_FUNC_VOID(GL_EXT_framebuffer_object,false,glGenRenderbuffersEXT,(GLsizei a,GLuint *b),(a,b))
-GL_FUNC_VOID(GL_EXT_framebuffer_object,false,glDeleteFramebuffersEXT,(GLsizei a,const GLuint *b),(a,b))
-GL_FUNC_VOID(GL_EXT_framebuffer_blit,false,glBlitFramebufferEXT,(GLint a,GLint b,GLint c,GLint d,GLint e,GLint f,GLint g,GLint h,GLbitfield i,GLenum j),(a,b,c,d,e,f,g,h,i,j))
-GL_FUNC_VOID(GL_EXT_framebuffer_multisample,false,glRenderbufferStorageMultisampleEXT,(GLenum a,GLsizei b,GLenum c,GLsizei d,GLsizei e),(a,b,c,d,e))*/
 GL_EXT(GL_APPLE_fence,-1,-1)
 GL_FUNC(GL_APPLE_fence,false,GLboolean,glTestFenceAPPLE,(GLuint a),(a))
 GL_FUNC_VOID(GL_APPLE_fence,false,glSetFenceAPPLE,(GLuint a),(a))
@@ -137,13 +122,8 @@ GL_FUNC_VOID(GL_NV_fence,false,glFinishFenceNV,(GLuint a),(a))
 GL_FUNC_VOID(GL_NV_fence,false,glDeleteFencesNV,(GLsizei a,const GLuint *b),(a,b))
 GL_FUNC_VOID(GL_NV_fence,false,glGenFencesNV,(GLsizei a,GLuint *b),(a,b))
 GL_EXT(GL_ARB_sync,3,2)
-#ifdef HAVE_GL_ARB_SYNC
-GL_FUNC_VOID(GL_ARB_sync,false,glGetSynciv,(GLsync a, GLenum b, GLsizei c, GLsizei *d, GLint *e),(a,b,c,d,e))
-GL_FUNC(GL_ARB_sync,false,GLenum,glClientWaitSync,(GLsync a, GLbitfield b, GLuint64 c),(a,b,c))
-GL_FUNC_VOID(GL_ARB_sync,false,glWaitSync,(GLsync a, GLbitfield b, GLuint64 c),(a,b,c))
-GL_FUNC_VOID(GL_ARB_sync,false,glDeleteSync,(GLsync a),(a))
-GL_FUNC(GL_ARB_sync,false,GLsync,glFenceSync,(GLenum a, GLbitfield b),(a,b))
-#endif
+//#ifdef HAVE_GL_ARB_SYNC
+//#endif
 GL_EXT(GL_EXT_bindable_uniform,-1,-1)
 GL_FUNC_VOID(GL_EXT_bindable_uniform,false,glUniformBufferEXT,(GLuint a,GLint b,GLuint c),(a,b,c))
 GL_FUNC(GL_EXT_bindable_uniform,false,int,glGetUniformBufferSizeEXT,(GLenum a, GLenum b),(a,b))
@@ -165,6 +145,7 @@ GL_EXT(GL_APPLE_client_storage,-1,-1)
 GL_EXT(GL_ARB_uniform_buffer,-1,-1)
 GL_EXT(GL_ARB_vertex_array_bgra,-1,-1)
 GL_EXT(GL_EXT_vertex_array_bgra,-1,-1)
+GL_EXT(GL_EXT_framebuffer_multisample_blit_scaled,-1,-1)
 
 GL_EXT(GL_ARB_framebuffer_object,3,0)
 /*GL_FUNC_VOID(GL_ARB_framebuffer_object,false,glBindFramebuffer,(GLenum a,GLuint b),(a,b))
@@ -208,9 +189,7 @@ GL_FUNC_VOID(OpenGL, true, glGenSamplers, (GLuint a, GLuint *b), (a, b))
 GL_FUNC_VOID(OpenGL, true, glDeleteSamplers, (GLsizei a, const GLuint *b), (a, b))
 GL_FUNC_VOID(OpenGL, true, glBindSampler, (GLuint a, GLuint b), (a, b))
 GL_FUNC_VOID(OpenGL, true, glSamplerParameteri, (GLuint a, GLenum b, GLint c), (a, b, c))
-GL_FUNC_VOID(OpenGL, true, glSamplerParameterf, (GLuint a, GLenum b, GLfloat c), (a, b, c))
-GL_FUNC_VOID(OpenGL, true, glSamplerParameterfv, (GLuint a, GLenum b, const GLfloat *c), (a, b, c))
-GL_FUNC(GL_NV_bindless_texture, false, GLuint64, glGetTextureHandleNV, (GLuint texture), (texture))
+/*GL_FUNC(GL_NV_bindless_texture, false, GLuint64, glGetTextureHandleNV, (GLuint texture), (texture))
 GL_FUNC(GL_NV_bindless_texture, false, GLuint64, glGetTextureSamplerHandleNV, (GLuint texture, GLuint sampler), (texture, sampler))
 GL_FUNC_VOID(GL_NV_bindless_texture, false, glMakeTextureHandleResidentNV, (GLuint64 handle), (handle))
 GL_FUNC_VOID(GL_NV_bindless_texture, false, glMakeTextureHandleNonResidentNV, (GLuint64 handle), (handle))
@@ -218,7 +197,7 @@ GL_FUNC_VOID(GL_NV_bindless_texture, false, glUniformHandleui64NV, (GLint locati
 GL_FUNC_VOID(GL_NV_bindless_texture, false, glUniformHandleui64vNV, (int location, GLsizei count, const GLuint64 *value), (location count, value))
 GL_FUNC_VOID(GL_NV_bindless_texture, false, glProgramUniformHandleui64NV, (GLuint program, GLint location, GLuint64 value), (program, location, value))
 GL_FUNC_VOID(GL_NV_bindless_texture, false, glProgramUniformHandleui64vNV, (GLuint program, GLint location, GLsizei count, const GLuint64 *values), (program, location, count, values))
-GL_FUNC(GL_NV_bindless_texture, false, GLboolean, glIsTextureHandleResidentNV, (GLuint64 handle), (handle))
+GL_FUNC(GL_NV_bindless_texture, false, GLboolean, glIsTextureHandleResidentNV, (GLuint64 handle), (handle))*/
 GL_FUNC_VOID(OpenGL,true,glGenQueries,(GLsizei n, GLuint *ids), (n, ids))
 GL_FUNC_VOID(OpenGL,true,glDeleteQueries,(GLsizei n, const GLuint *ids),(n, ids))
 GL_FUNC_VOID(OpenGL,true,glBeginQuery,(GLenum target, GLuint id), (target, id))
@@ -227,7 +206,6 @@ GL_FUNC_VOID(OpenGL,true,glCopyBufferSubData,(GLenum readtarget, GLenum writetar
 #endif // !OSX
 
 GL_EXT(GL_AMD_pinned_memory,-1,-1)
-GL_EXT(GL_EXT_framebuffer_multisample_blit_scaled,-1,-1)
 
 #ifndef OSX
 GL_FUNC_VOID(OpenGL,true,glGenVertexArrays,(GLsizei n, GLuint *arrays),(n, arrays))
@@ -235,6 +213,9 @@ GL_FUNC_VOID(OpenGL,true,glDeleteVertexArrays,(GLsizei n, GLuint *arrays),(n, ar
 GL_FUNC_VOID(OpenGL,true,glBindVertexArray,(GLuint a),(a))
 #endif // !OSX
 
+GL_EXT(GL_QCOM_alpha_test,-1,-1)
+
+
 GL_EXT(GL_EXT_texture_sRGB_decode,-1,-1)
 GL_EXT(GL_NVX_gpu_memory_info,-1,-1)
 GL_EXT(GL_ATI_meminfo,-1,-1)
@@ -243,8 +224,12 @@ GL_EXT(GL_EXT_texture_compression_dxt1,-1,-1)
 GL_EXT(GL_ANGLE_texture_compression_dxt3,-1,-1)
 GL_EXT(GL_ANGLE_texture_compression_dxt5,-1,-1)
 
+GL_EXT( GL_EXT_color_buffer_half_float, -1, -1 )
+GL_EXT( GL_EXT_texture_norm16, -1, -1 )
 GL_EXT( GL_EXT_buffer_storage, -1, -1 )
 GL_FUNC_VOID( GL_EXT_buffer_storage, false, glBufferStorageEXT, (GLenum target, GLsizeiptr size, const void *data, GLbitfield flags), (target, size, data, flags) )
+//GL_FUNC_VOID(OpenGL, false,glGetTexImage,(GLenum a,GLint b,GLenum c,GLenum d,GLvoid *e),(a,b,c,d,e))
+
 
 // This one is an OS extension. We'll add a little helper function to look for it.
 #ifdef _WIN32
@@ -252,3 +237,15 @@ GL_FUNC_VOID( GL_EXT_buffer_storage, false, glBufferStorageEXT, (GLenum target,
 #else
 	GL_EXT(GLX_EXT_swap_control_tear,-1,-1)
 #endif
+
+GL_FUNC_VOID(OpenGL,true,glGetFloatv,(GLenum a,GLfloat *b),(a,b))
+GL_FUNC_VOID(OpenGL,true,glPolygonOffset,(GLfloat a,GLfloat b),(a,b))
+GL_FUNC_VOID(OpenGL,true,glTexParameterfv,(GLenum a,GLenum b,const GLfloat *c),(a,b,c))
+GL_FUNC_VOID(OpenGL,true,glUniform1f,(GLint a,GLfloat b),(a,b))
+GL_FUNC_VOID(OpenGL,true,glUniform4fv,(GLint a,GLsizei b,const GLfloat *c),(a,b,c))
+GL_FUNC_VOID(OpenGL,true,glColor4f,(GLfloat a,GLfloat b,GLfloat c,GLfloat d),(a,b,c,d))
+GL_FUNC_VOID(OpenGL,true,glSamplerParameterf,(GLuint a, GLenum b, GLfloat c), (a, b, c))
+GL_FUNC_VOID(OpenGL,true,glSamplerParameterfv,(GLuint a, GLenum b, const GLfloat *c), (a, b, c))
+GL_FUNC_VOID(GL_QCOM_alpha_test,false,glAlphaFuncQCOM,(GLenum a, GLfloat b),(a,b))
+GL_FUNC_VOID(OpenGL,true,glClearDepthf,(GLfloat a),(a))
+GL_FUNC_VOID(OpenGL,true,glDepthRangef,(GLfloat a,GLfloat b),(a,b))
diff --git a/public/togles/linuxwin/glmdebug.h b/public/togles/linuxwin/glmdebug.h
index 08cb6f91..f73e28a1 100644
--- a/public/togles/linuxwin/glmdebug.h
+++ b/public/togles/linuxwin/glmdebug.h
@@ -55,7 +55,6 @@
 	#endif
 #endif
 
-
 //===============================================================================
 // debug channels
 
diff --git a/public/togles/linuxwin/glmgr.h b/public/togles/linuxwin/glmgr.h
index a5ec89d6..d3179776 100644
--- a/public/togles/linuxwin/glmgr.h
+++ b/public/togles/linuxwin/glmgr.h
@@ -65,6 +65,10 @@
 #define GLM_OPENGL_DEFAULT_DEVICE_ID 1
 #define GLM_OPENGL_LOW_PERF_DEVICE_ID 2
 
+#define GL_ALPHA_TEST_QCOM 0x0BC0
+#define GL_ALPHA_TEST_FUNC_QCOM 0x0BC1
+#define GL_ALPHA_TEST_REF_QCOM 0x0BC2
+
 extern void GLMDebugPrintf( const char *pMsg, ... );
 
 extern uint g_nTotalDrawsOrClears, g_nTotalVBLockBytes, g_nTotalIBLockBytes;
@@ -314,14 +318,18 @@ static GLAlphaTest_t g_alpha_test;
 //                                                                      --- GLAlphaTestEnable ---
 FORCEINLINE void GLContextSet( GLAlphaTestEnable_t *src )
 {
-//	glSetEnable( GL_ALPHA_TEST, src->enable != 0 );
-	g_alpha_test.enable = src->enable;
+	if( gGL->m_bHave_GL_QCOM_alpha_test )
+		glSetEnable( GL_ALPHA_TEST_QCOM, src->enable != 0 );
+	else
+		g_alpha_test.enable = src->enable;
 }
 
 FORCEINLINE void GLContextGet( GLAlphaTestEnable_t *dst )
 {
-//	dst->enable = gGL->glIsEnabled( GL_ALPHA_TEST );
-	dst->enable = g_alpha_test.enable;
+	if( gGL->m_bHave_GL_QCOM_alpha_test )
+		dst->enable = gGL->glIsEnabled( GL_ALPHA_TEST_QCOM );
+	else
+		dst->enable = g_alpha_test.enable;
 }
 
 FORCEINLINE void GLContextGetDefault( GLAlphaTestEnable_t *dst )
@@ -332,17 +340,25 @@ FORCEINLINE void GLContextGetDefault( GLAlphaTestEnable_t *dst )
 //                                                                      --- GLAlphaTestFunc ---
 FORCEINLINE void GLContextSet( GLAlphaTestFunc_t *src )
 {
-// gGL->glAlphaFunc( src->func, src->ref );
+	if( gGL->m_bHave_GL_QCOM_alpha_test )
+		gGL->glAlphaFuncQCOM( src->func, src->ref );
+
 	g_alpha_test.func = src->func;
 	g_alpha_test.ref = src->ref;
 }
 
 FORCEINLINE void GLContextGet( GLAlphaTestFunc_t *dst )
 {
-//	glGetEnumv( GL_ALPHA_TEST_FUNC, &dst->func );
-//	gGL->glGetFloatv( GL_ALPHA_TEST_REF, &dst->ref );
-	dst->func = g_alpha_test.func;
-	dst->ref = g_alpha_test.ref;
+	if( gGL->m_bHave_GL_QCOM_alpha_test )
+	{
+		glGetEnumv( GL_ALPHA_TEST_FUNC_QCOM, &dst->func );
+		gGL->glGetFloatv( GL_ALPHA_TEST_REF_QCOM, &dst->ref );
+	}
+	else
+	{
+		dst->func = g_alpha_test.func;
+		dst->ref = g_alpha_test.ref;
+	}
 }
 
 FORCEINLINE void GLContextGetDefault( GLAlphaTestFunc_t *dst )
@@ -723,8 +739,8 @@ FORCEINLINE void GLContextSet( GLBlendEnableSRGB_t *src )
 
 FORCEINLINE void GLContextGet( GLBlendEnableSRGB_t *dst )
 {
-//	dst->enable = gGL->glIsEnabled( GL_FRAMEBUFFER_SRGB_EXT );
-	dst->enable = true; // wtf ?
+	dst->enable = gGL->glIsEnabled( GL_FRAMEBUFFER_SRGB_EXT );
+//	dst->enable = true; // wtf ?
 }
 
 FORCEINLINE void GLContextGetDefault( GLBlendEnableSRGB_t *dst )
@@ -1403,7 +1419,7 @@ class GLMContext
 			else
 			{
 				m_FakeBlendEnableSRGB = src->enable != 0;
-			}	
+			}
 			// note however that we're still tracking what this mode should be, so FlushDrawStates can look at it and adjust the pixel shader
 			// if fake SRGB mode is in place (m_caps.m_hasGammaWrites is false)
 		}
diff --git a/togles/linuxwin/cglmbuffer.cpp b/togles/linuxwin/cglmbuffer.cpp
index 2aa1727e..14679260 100644
--- a/togles/linuxwin/cglmbuffer.cpp
+++ b/togles/linuxwin/cglmbuffer.cpp
@@ -37,7 +37,7 @@ bool g_bUsePseudoBufs = false; //( Plat_GetCommandLineA() ) ? ( strstr( Plat_Get
 // Significant perf degradation on some OSX parts if static buffers not disabled
 bool g_bDisableStaticBuffer = true;
 #else
-bool g_bDisableStaticBuffer = false; //( Plat_GetCommandLineA() ) ? ( strstr( Plat_GetCommandLineA(), "-gl_disable_static_buffer" ) != NULL ) : false;
+bool g_bDisableStaticBuffer = true; //( Plat_GetCommandLineA() ) ? ( strstr( Plat_GetCommandLineA(), "-gl_disable_static_buffer" ) != NULL ) : false;
 #endif
 
 // http://www.opengl.org/registry/specs/ARB/vertex_buffer_object.txt
@@ -93,8 +93,8 @@ CPersistentBuffer::~CPersistentBuffer()
 
 void CPersistentBuffer::Init( EGLMBufferType type,uint nSize )
 {
-	Assert( gGL->m_bHave_GL_EXT_buffer_storage );
-	Assert( gGL->m_bHave_GL_ARB_map_buffer_range );
+//	Assert( gGL->m_bHave_GL_EXT_buffer_storage );
+//	Assert( gGL->m_bHave_GL_ARB_map_buffer_range );
 	
 	m_nSize		= nSize;
 	m_nOffset	= 0;
@@ -527,13 +527,13 @@ CGLMBuffer::CGLMBuffer( GLMContext *pCtx, EGLMBufferType type, uint size, uint o
 		// buffers start out static, but if they get orphaned and gl_bufmode is non zero,
 		// then they will get flipped to dynamic.
 		
-		GLenum hint = GL_STATIC_DRAW;
+		GLenum hint = GL_STREAM_DRAW;
 		switch (m_type)
 		{
-			case kGLMVertexBuffer:	hint = m_bDynamic ? GL_DYNAMIC_DRAW : GL_STATIC_DRAW; break;
-			case kGLMIndexBuffer:	hint = m_bDynamic ? GL_DYNAMIC_DRAW : GL_STATIC_DRAW; break;
+			case kGLMVertexBuffer:	hint = m_bDynamic ? GL_DYNAMIC_DRAW : GL_STREAM_DRAW; break;
+			case kGLMIndexBuffer:	hint = m_bDynamic ? GL_DYNAMIC_DRAW : GL_STREAM_DRAW; break;
 			case kGLMUniformBuffer:	hint = GL_DYNAMIC_DRAW; break;
-			case kGLMPixelBuffer:	hint = m_bDynamic ? GL_DYNAMIC_DRAW : GL_STATIC_DRAW; break;
+			case kGLMPixelBuffer:	hint = m_bDynamic ? GL_DYNAMIC_DRAW : GL_STREAM_DRAW; break;
 			
 			default: Assert(!"Unknown buffer type" ); DXABSTRACT_BREAK_ON_ERROR();
 		}
@@ -786,7 +786,7 @@ void CGLMBuffer::Lock( GLMBuffLockParams *pParams, char **pAddressOut )
 
 				// observe gl_bufmode on any orphan event.
 				// if orphaned and bufmode is nonzero, flip it to dynamic.
-				GLenum hint = gl_bufmode.GetInt() ? GL_DYNAMIC_DRAW : GL_STATIC_DRAW;
+				GLenum hint = gl_bufmode.GetInt() ? GL_DYNAMIC_DRAW : GL_STREAM_DRAW;
 				gGL->glBufferData( m_buffGLTarget, m_nSize, (const GLvoid*)NULL, hint );
 			
 				m_nRevision++; // revision grows on orphan event
@@ -829,7 +829,7 @@ void CGLMBuffer::Lock( GLMBuffLockParams *pParams, char **pAddressOut )
 			// if orphaned and bufmode is nonzero, flip it to dynamic.
 			
 			// We always want to call glBufferData( ..., NULL ) on discards, even though we're using the GL_MAP_INVALIDATE_BUFFER_BIT flag, because this flag is actually only a hint according to AMD.
-			GLenum hint = gl_bufmode.GetInt() ? GL_DYNAMIC_DRAW : GL_STATIC_DRAW;
+			GLenum hint = gl_bufmode.GetInt() ? GL_DYNAMIC_DRAW : GL_STREAM_DRAW;
 			gGL->glBufferData( m_buffGLTarget, m_nSize, (const GLvoid*)NULL, hint );
 									
 			m_nRevision++;	// revision grows on orphan event
@@ -1047,7 +1047,7 @@ void CGLMBuffer::Unlock( int nActualSize, const void *pActualData )
 				Assert( nActualSize <= (int)( m_dirtyMaxOffset - m_dirtyMinOffset ) );
 
 				glBufferSubDataMaxSize( m_buffGLTarget, m_dirtyMinOffset, nActualSize, pActualData ? pActualData : m_pStaticBuffer );
-						
+
 		#ifdef REPORT_LOCK_TIME
 				double flEnd = Plat_FloatTime();
 				if ( flEnd - flStart > 5.0 / 1000.0 )
diff --git a/togles/linuxwin/cglmprogram.cpp b/togles/linuxwin/cglmprogram.cpp
index 50d4830c..c2629099 100644
--- a/togles/linuxwin/cglmprogram.cpp
+++ b/togles/linuxwin/cglmprogram.cpp
@@ -362,8 +362,8 @@ void	CGLMProgram::Compile( EGLMProgramLang lang )
 
 				GLchar  log[4096];
 				gGL->glGetShaderInfoLog( glslDesc->m_object.glsl, sizeof(log), &maxLength, log );
-				printf("shader compile log: %s\n", log);
-				printf("Shader %d source is:\n===============\n%s\nn===============\n", glslDesc->m_object.glsl, section);											
+				Msg("shader compile log: %s\n", log);
+				Msg("Shader %d source is:\n===============\n%s\nn===============\n", glslDesc->m_object.glsl, section);											
 			}
 
 #if 0 //GLM_FREE_SHADER_TEXT
@@ -785,8 +785,6 @@ bool CGLMShaderPair::ValidateProgramPair()
 		{
 			gGL->glUseProgram( m_program );
 
-			printf("Sample text\n");
-
 			m_ctx->NewLinkedProgram();
 
 			m_locVertexParams = gGL->glGetUniformLocation( m_program, "vc" );
diff --git a/togles/linuxwin/cglmquery.cpp b/togles/linuxwin/cglmquery.cpp
index ffc7f247..99aac9f8 100644
--- a/togles/linuxwin/cglmquery.cpp
+++ b/togles/linuxwin/cglmquery.cpp
@@ -163,7 +163,7 @@ void	CGLMQuery::Start( void )		// "start counting"
 			}
 			else
 			{
-				gGL->glBeginQuery( GL_SAMPLES_PASSED, m_name );
+				gGL->glBeginQuery( GL_ANY_SAMPLES_PASSED, m_name );
 			}
 		}
 		break;
@@ -204,7 +204,7 @@ void	CGLMQuery::Stop( void )			// "stop counting"
 			}
 			else
 			{
-				gGL->glEndQuery( GL_SAMPLES_PASSED );	// we are only putting the request-to-stop-counting into the cmd stream.
+				gGL->glEndQuery( GL_ANY_SAMPLES_PASSED );	// we are only putting the request-to-stop-counting into the cmd stream.
 			}
 		}
 		break;
diff --git a/togles/linuxwin/cglmtex.cpp b/togles/linuxwin/cglmtex.cpp
index 747ed01e..67d73faf 100644
--- a/togles/linuxwin/cglmtex.cpp
+++ b/togles/linuxwin/cglmtex.cpp
@@ -114,7 +114,7 @@ const GLMTexFormatDesc g_formatDescTable[] =
 	{ "_A8R8G8B8",		D3DFMT_A8R8G8B8,		GL_RGBA8,							GL_SRGB8_ALPHA8_EXT,				GL_BGRA,				GL_UNSIGNED_INT_8_8_8_8_REV,	1, 4 },
 	{ "_A4R4G4B4",		D3DFMT_A4R4G4B4,		GL_RGBA4,							0,									GL_BGRA,				GL_UNSIGNED_SHORT_4_4_4_4_REV,	1, 2 },
 	{ "_X8R8G8B8",		D3DFMT_X8R8G8B8,		GL_RGB8,							GL_SRGB8_EXT,						GL_BGRA,				GL_UNSIGNED_INT_8_8_8_8_REV,	1, 4 },
-
+	
 	{ "_X1R5G5B5",		D3DFMT_X1R5G5B5,		GL_RGB5,							0,									GL_BGRA,				GL_UNSIGNED_SHORT_1_5_5_5_REV,	1, 2 },
 	{ "_A1R5G5B5",		D3DFMT_A1R5G5B5,		GL_RGB5_A1,							0,									GL_BGRA,				GL_UNSIGNED_SHORT_1_5_5_5_REV,	1, 2 },
 
@@ -1106,6 +1106,8 @@ void CGLMTex::CalcTexelDataOffsetAndStrides( int sliceIndex, int x, int y, int z
 	*zStrideOut	= zStride;
 }
 
+extern void convert_texture( GLint &internalformat, GLsizei width, GLsizei height, GLenum &format, GLenum &type, void *data );
+
 void CGLMTex::ReadTexels( GLMTexLockDesc *desc, bool readWholeSlice )
 {
 	GLMRegion	readBox;
@@ -1177,26 +1179,24 @@ void CGLMTex::ReadTexels( GLMTexLockDesc *desc, bool readWholeSlice )
 					gGL->glBindFramebuffer(GL_FRAMEBUFFER, fbo);
 					gGL->glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, m_ctx->m_samplers[0].m_pBoundTex->m_texName, 0);
 
-					uint fmt = format->m_glDataFormat;
+					GLenum fmt = format->m_glDataFormat;
 					if( fmt == GL_BGR )
 						fmt = GL_RGB;
 					else if( fmt == GL_BGRA )
 						fmt = GL_RGBA;
-					
-					gGL->glReadPixels(0, 0, m_layout->m_slices[ desc->m_sliceIndex ].m_xSize, m_layout->m_slices[ desc->m_sliceIndex ].m_ySize, fmt , format->m_glDataType == GL_UNSIGNED_INT_8_8_8_8_REV ? GL_UNSIGNED_BYTE : format->m_glDataType, sliceAddress);
+	
+					gGL->glReadPixels(0, 0, m_layout->m_slices[ desc->m_sliceIndex ].m_xSize, m_layout->m_slices[ desc->m_sliceIndex ].m_ySize, fmt, format->m_glDataType == GL_UNSIGNED_INT_8_8_8_8_REV ? GL_UNSIGNED_BYTE : format->m_glDataType, sliceAddress);
+					GLint intformat = format->m_glDataFormat;
+					GLenum _format = format->m_glDataFormat;
+					GLenum _type = format->m_glDataType;
 
+					// TODO(nillerusr): Don't convert, should change m_format to another one
+					convert_texture(intformat, m_layout->m_slices[ desc->m_sliceIndex ].m_xSize, m_layout->m_slices[ desc->m_sliceIndex ].m_ySize, _format, _type, sliceAddress);
+					
 					gGL->glBindFramebuffer(GL_READ_FRAMEBUFFER, Rfbo);
 					gGL->glBindFramebuffer(GL_DRAW_FRAMEBUFFER, Dfbo);
 
 					gGL->glDeleteFramebuffers(1, &fbo);
-
-#if 0
-					gGL->glGetTexImage(			target,						// target
-											desc->m_req.m_mip,			// level
-											format->m_glDataFormat,		// dataformat
-											format->m_glDataType,		// datatype
-											sliceAddress );				// destination
-#endif
 				}
 			}
 			break;
@@ -3258,7 +3258,6 @@ const char *get_enum_str(uint val)
 		if( g_glEnums[i].value == val )
 			return g_glEnums[i].str;
 	}
-	
 	return "UNKNOWN";
 }
 
@@ -3301,6 +3300,148 @@ static inline float float_h2f(halffloat_t t)
     return tmp.f;
 }
 
+static inline halffloat_t float_f2h(float f)
+{
+    fullfloat_t tmp;
+    halffloat_t ret;
+    tmp.f = f;
+    ret.x.sign = tmp.x.sign;
+    if (tmp.x.exp == 0) {
+        // O and denormal
+        ret.bin = 0;
+    } else if (tmp.x.exp==255) {
+        // Inf / NaN
+        ret.x.exp = 31;
+        ret.x.mant = tmp.x.mant>>13;
+    } else if(tmp.x.exp>0x71) {
+        // flush to 0
+        ret.x.exp = 0;
+        ret.x.mant = 0;
+    } else if(tmp.x.exp<0x8e) {
+        // clamp to max
+        ret.x.exp = 30;
+        ret.x.mant = 1023;
+    } else {
+        ret.x.exp = tmp.x.exp - 38;
+        ret.x.mant = tmp.x.mant>>13;
+    }
+
+    return ret;
+}
+
+static uint8_t srgb_table[256] = {0};
+void pixel_srgb_inplace(GLvoid* pixels, GLuint size, GLuint width, GLuint height)
+{
+//    return;
+    if(!srgb_table[255]) {
+        // create table
+        for (int i=1; i<256; ++i) {
+            srgb_table[i] = floorf(255.f*powf(i/255.f, 2.2f)+0.5f);
+        }
+    }
+    uint8_t *data = (uint8_t*)pixels;
+    int sz = width*height*size;
+    for (int i=0; i < sz; i += size)
+    {
+        data[i] = srgb_table[data[i]];
+        data[i+1] = srgb_table[data[i+1]];
+        data[i+2] = srgb_table[data[i+2]];
+    }
+}
+
+
+
+void convert_texture( GLint &internalformat, GLsizei width, GLsizei height, GLenum &format, GLenum &type, void *data )
+{
+//	printf("internalformat=%s format=%s type=%s\n", get_enum_str(internalformat), get_enum_str(format), get_enum_str(type));
+
+	if( internalformat == GL_SRGB8 && (format == GL_RGBA || format == GL_BGRA ))
+		internalformat = GL_SRGB8_ALPHA8;
+
+	if( format == GL_LUMINANCE || format == GL_LUMINANCE_ALPHA )
+		internalformat = format;
+
+//	if( internalformat == GL_SRGB8_ALPHA8 )
+//		internalformat = GL_RGBA;
+
+//	if( internalformat == GL_SRGB8 )
+//		internalformat = GL_RGB;
+
+	if( data )
+	{
+		uint8_t *_data = (uint8_t*)data;
+
+		if( format == GL_BGR )
+		{
+			for( int i = 0; i < width*height*3; i+=3 )
+			{
+				uint8_t tmp = _data[i];
+				_data[i] = _data[i+2];
+				_data[i+2] = tmp;
+			}
+			format = GL_RGB;
+		}
+		else if( format == GL_BGRA )
+		{
+			for( int i = 0; i < width*height*4; i+=4 )
+			{
+				uint8_t tmp = _data[i];
+				_data[i] = _data[i+2];
+				_data[i+2] = tmp;
+			}
+			format = GL_RGBA;
+		}
+
+		if( internalformat == GL_RGBA16 && !gGL->m_bHave_GL_EXT_texture_norm16 )
+		{
+			uint16_t *_data = (uint16_t*)data;
+			uint8_t *new_data = (uint8_t*)data;
+
+			for( int i = 0; i < width*height*4; i+=4 )
+			{
+				new_data[i] = _data[i] >> 8;
+				new_data[i+1] = _data[i+1] >> 8;
+				new_data[i+2] = _data[i+2] >> 8;
+				new_data[i+3] = _data[i+3] >> 8;
+			}
+
+			internalformat = GL_RGBA;
+			format = GL_RGBA;
+			type = GL_UNSIGNED_BYTE;
+		}
+		else if( internalformat == GL_SRGB8_ALPHA8 )
+		{
+//			pixel_srgb_inplace( data, 4, width, height );
+			internalformat = GL_RGBA;
+		}
+		else if( internalformat == GL_SRGB8 )
+		{
+//			pixel_srgb_inplace( data, 3, width, height );
+			internalformat = GL_RGB;
+		}
+
+	}
+	else
+	{
+		if( format == GL_BGR )
+			format = GL_RGB;
+		else if( format == GL_BGRA )
+			format = GL_RGBA;
+
+		if( internalformat == GL_RGBA16 && !gGL->m_bHave_GL_EXT_texture_norm16 )
+		{
+			internalformat = GL_RGBA;
+			format = GL_RGBA;
+			type = GL_UNSIGNED_BYTE;
+		}
+	}
+
+	if( type == GL_UNSIGNED_INT_8_8_8_8_REV )
+		type = GL_UNSIGNED_BYTE;
+	
+//	printf("internalformat=%s format=%s type=%s\n==========================================\n", get_enum_str(internalformat), get_enum_str(format), get_enum_str(type));
+}
+
 void TexImage2D(GLenum target,
  	GLint level,
  	GLint internalformat,
@@ -3311,65 +3452,8 @@ void TexImage2D(GLenum target,
  	GLenum type,
  	const void * data)
 {
-	if( type == GL_UNSIGNED_INT_8_8_8_8_REV )
-		type = GL_UNSIGNED_BYTE;
-	
-	if( format == GL_BGR )
-		format = GL_RGB;
+	convert_texture( internalformat, width, height, format, type, data );
 
-	if( format == GL_BGRA )
-		format = GL_RGBA;	
-	
-	if( internalformat == GL_SRGB8 && format == GL_RGBA )
-		internalformat = GL_SRGB8_ALPHA8;
-
-	if( format == GL_LUMINANCE || format == GL_LUMINANCE_ALPHA )
-		internalformat = format;
-
-#if 0
-	if( internalformat == GL_SRGB8 )
-		internalformat = GL_RGB;
-	if( internalformat == GL_SRGB8_ALPHA8 )
-		internalformat = GL_RGBA;*/
-
-	if( data )
-	{
-		if( internalformat == GL_RGBA16F )
-		{
-			uint16_t *_data = (uint16_t*)data;
-			uint8_t *new_data = (uint8_t*)data;
-			
-			for( int i = 0; i < width*height*4; i+=4 )
-			{
-				halffloat_t fl;
-				fl.bin = _data[i]; new_data[i] = float_h2f(fl)*255;
-				fl.bin = _data[i+1]; new_data[i+1] = float_h2f(fl)*255;
-				fl.bin = _data[i+2]; new_data[i+2] = float_h2f(fl)*255;
-				fl.bin = _data[i+3]; new_data[i+3] = float_h2f(fl)*255;
-			}
-			internalformat = GL_RGBA;
-			type = GL_UNSIGNED_BYTE;
-		}
-		else if( internalformat == GL_RGBA16 )
-		{
-			uint16_t *_data = (uint16_t*)data;
-			uint8_t *new_data = (uint8_t*)data;
-			
-			for( int i = 0; i < width*height*4; i+=4 )
-			{
-				new_data[i] = _data[i] >> 8;
-				new_data[i+1] = _data[i+1] >> 8;
-				new_data[i+2] = _data[i+2] >> 8;
-				new_data[i+3] = _data[i+3] >> 8;
-			}
-				
-			data = new_data;
-			internalformat = GL_RGBA;
-			type = GL_UNSIGNED_BYTE;
-		}
-	}
-#endif
-		
 	gGL->glTexImage2D(target, level, internalformat, width, height, border, format, type, data);
 }
 
@@ -3501,10 +3585,28 @@ void CompressedTexImage2D(GLenum target, GLint level, GLenum internalformat,
 		if( srgb )
 			intformat = GL_SRGB8_ALPHA8;
 	}
-	//gGL->glTexImage2D(target, 0, internalformat, width, height, border, format, type, data);
 
-	TexImage2D( target, level, intformat, width, height, border, format, type, pixels );
+	gGL->glTexImage2D(target, level, intformat, width, height, border, format, type, pixels);
+	//TexImage2D( target, level, intformat, width, height, border, format, type, pixels );
+	if( data != pixels )
+		free(pixels);
 }
+
+void TexSubImage2D( GLenum target,
+					GLint level,
+					GLint xoffset,
+					GLint yoffset,
+					GLsizei width,
+					GLsizei height,
+					GLenum format,
+					GLint internalformat,
+					GLenum type,
+					const void * data)
+{
+	convert_texture( internalformat, width, height, format, type, data );
+	gGL->glTexSubImage2D( target, level, xoffset, yoffset, width, height, format, type, data);
+}
+
 // TexSubImage should work properly on every driver stack and GPU--enabling by default.
 ConVar	gl_enabletexsubimage( "gl_enabletexsubimage", "1" );
 
@@ -3562,11 +3664,11 @@ void CGLMTex::WriteTexels( GLMTexLockDesc *desc, bool writeWholeSlice, bool noDa
 
 	// allow use of subimage if the target is texture2D and it has already been teximage'd
 	bool mayUseSubImage = false;
-	//if ( (target==GL_TEXTURE_2D) && (m_sliceFlags[ desc->m_sliceIndex ] & kSliceValid) )
-	//{
-	//	mayUseSubImage = gl_enabletexsubimage.GetInt() != 0;
-	//}
-			
+	if ( (target==GL_TEXTURE_2D) && (m_sliceFlags[ desc->m_sliceIndex ] & kSliceValid) )
+	{
+//		mayUseSubImage = gl_enabletexsubimage.GetInt() != 0;
+	}
+
 	// check flavor, 2D, 3D, or cube map
 	// we also have the choice to use subimage if this is a tex already created. (open question as to benefit)
 	
@@ -3681,54 +3783,28 @@ void CGLMTex::WriteTexels( GLMTexLockDesc *desc, bool writeWholeSlice, bool noDa
 				{
 					// go subimage2D if it's a replacement, not a creation
 
-
 					gGL->glPixelStorei( GL_UNPACK_ROW_LENGTH, slice->m_xSize );			// in pixels
 					gGL->glPixelStorei( GL_UNPACK_SKIP_PIXELS, writeBox.xmin );		// in pixels
 					gGL->glPixelStorei( GL_UNPACK_SKIP_ROWS, writeBox.ymin );		// in pixels
-
-					gGL->glTexSubImage2D(	glDataFormat,
+					
+					TexSubImage2D(	target,
 										desc->m_req.m_mip,				// level
 										writeBox.xmin,					// xoffset into dest
 										writeBox.ymin,					// yoffset into dest
 										writeBox.xmax - writeBox.xmin,	// width	(was slice->m_xSize)
 										writeBox.ymax - writeBox.ymin,	// height	(was slice->m_ySize)
 										glDataFormat,					// format
-										glDataType == GL_UNSIGNED_INT_8_8_8_8_REV ? GL_UNSIGNED_BYTE : glDataType,						// type
+										intformat,
+										glDataType,						// type
 										sliceAddress					// data (will be offsetted by the SKIP_PIXELS and SKIP_ROWS - let GL do the math to find the first source texel)
 										);					
 
 					gGL->glPixelStorei( GL_UNPACK_ROW_LENGTH, 0 );
 					gGL->glPixelStorei( GL_UNPACK_SKIP_PIXELS, 0 );
-					gGL->glPixelStorei( GL_UNPACK_SKIP_ROWS, 0 );
-
-						/*
-							//http://www.opengl.org/sdk/docs/man/xhtml/glTexSubImage2D.xml
-							glTexSubImage2D(	target,
-												desc->m_req.m_mip,			// level
-												0,							// xoffset
-												0,							// yoffset
-												slice->m_xSize,				// width
-												slice->m_ySize,				// height
-												glDataFormat,				// format
-												glDataType,					// type
-												sliceAddress				// data
-												);					
-						*/				
+					gGL->glPixelStorei( GL_UNPACK_SKIP_ROWS, 0 );				
 				}
 				else
-				{
-					if (m_layout->m_key.m_texFlags & kGLMTexRenderable)
-					{
-						if (gl_rt_forcergba.GetInt())
-						{
-							if (glDataFormat == GL_BGRA)
-							{
-								// change it
-								glDataFormat = GL_RGBA;
-							}
-						}
-					}
-					
+				{					
 					// uncompressed path
 					// http://www.opengl.org/documentation/specs/man_pages/hardcopy/GL/html/gl/teximage2d.html
 					TexImage2D(			target,						// target
diff --git a/togles/linuxwin/dx9asmtogl2.cpp b/togles/linuxwin/dx9asmtogl2.cpp
index b2c541ab..f97d2e7f 100644
--- a/togles/linuxwin/dx9asmtogl2.cpp
+++ b/togles/linuxwin/dx9asmtogl2.cpp
@@ -1381,7 +1381,7 @@ void D3DToGL::PrintParameterToString ( uint32 dwToken, uint32 dwSourceOrDest, ch
 				case D3DSRO_FOG:
 					if( !m_bFogFragCoord )
 					{
-						StrcatToHeaderCode("varying mediump vec4 _gl_FogFragCoord;\n");
+						StrcatToHeaderCode("varying highp vec4 _gl_FogFragCoord;\n");
 						m_bFogFragCoord = true;
 					}
 
@@ -1403,7 +1403,7 @@ void D3DToGL::PrintParameterToString ( uint32 dwToken, uint32 dwSourceOrDest, ch
 			{
 				if( !m_bFrontColor )
 				{
-					StrcatToHeaderCode("varying lowp vec4 _gl_FrontColor;\n");
+					StrcatToHeaderCode("varying highp vec4 _gl_FrontColor;\n");
 					m_bFrontColor = true;
 				}
 
@@ -1413,7 +1413,7 @@ void D3DToGL::PrintParameterToString ( uint32 dwToken, uint32 dwSourceOrDest, ch
 			{
 				if( !m_bFrontSecondaryColor )
 				{
-					StrcatToHeaderCode("varying lowp vec4 _gl_FrontSecondaryColor;\n");
+					StrcatToHeaderCode("varying highp vec4 _gl_FrontSecondaryColor;\n");
 					m_bFrontSecondaryColor = true;
 				}
 
@@ -2545,14 +2545,14 @@ void D3DToGL::Handle_TEX( uint32 dwToken, bool bIsTexLDL )
 			V_snprintf( szExtra, sizeof( szExtra ), ".%c", GetSwizzleComponent( pSrc0Reg, 3 ) );
 			V_strncat( szLOD, szExtra, sizeof( szLOD ) );
 
-			PrintToBufWithIndents( *m_pBufALUCode, "%s = %s( %s, %s, %s );\n", pDestReg, bIsShadowSampler ? "shadow2DLod" : "textureLod", pSrc1Reg, sCoordVar.String(), szLOD );
+			PrintToBufWithIndents( *m_pBufALUCode, "%s = %s( %s, %s, %s );\n", pDestReg, "textureLod", pSrc1Reg, sCoordVar.String(), szLOD );
 		}
 		else if ( bIsShadowSampler )
 		{
 			// .z is meant to contain the object depth, while .xy contains the 2D tex coords
 			CUtlString sCoordVar3D = EnsureNumSwizzleComponents( pSrc0Reg, 3 );
 
-			PrintToBufWithIndents( *m_pBufALUCode, "%s = shadow2D( %s, %s );\n", pDestReg, pSrc1Reg, sCoordVar3D.String() );
+			PrintToBufWithIndents( *m_pBufALUCode, "%s = vec4(texture( %s, %s ));\n", pDestReg, pSrc1Reg, sCoordVar3D.String() );
 			Assert( m_dwSamplerTypes[dwSrc1Token & D3DSP_REGNUM_MASK] == SAMPLER_TYPE_2D );
 		}
 		else if( ( OpcodeSpecificData( dwToken ) << D3DSP_OPCODESPECIFICCONTROL_SHIFT ) == D3DSI_TEXLD_PROJECT )
@@ -2934,13 +2934,19 @@ void D3DToGL::WriteGLSLSamplerDefinitions()
 {
 	int nSamplersWritten = 0;
 	bool m_bSampler3d = false;
+	bool m_bShadowSampler = false;
 	for ( int i=0; i < ARRAYSIZE( m_dwSamplerTypes ); i++ )
 	{
 		if ( m_dwSamplerTypes[i] == SAMPLER_TYPE_2D )
 		{
 			if ( ( ( 1 << i ) & m_nShadowDepthSamplerMask ) != 0 )
 			{
-				PrintToBuf( *m_pBufHeaderCode, "uniform sampler2D sampler%d;\n", i );
+				if( !m_bShadowSampler )
+				{
+					PrintToBuf( *m_pBufHeaderCode, "precision lowp sampler2DShadow;\n", i );
+					m_bShadowSampler = true;
+				}
+				PrintToBuf( *m_pBufHeaderCode, "uniform sampler2DShadow sampler%d;\n", i );
 			}
 			else
 			{
@@ -2955,7 +2961,6 @@ void D3DToGL::WriteGLSLSamplerDefinitions()
 				StrcatToHeaderCode( "precision mediump sampler3D;\n" );
 				m_bSampler3d = true;
 			}
-				
 			PrintToBuf( *m_pBufHeaderCode, "uniform sampler3D sampler%d;\n", i );
 			++nSamplersWritten;
 		}
@@ -3006,7 +3011,7 @@ void D3DToGL::WriteGLSLOutputVariableAssignments()
 			{
 				if( !m_bFrontColor )
 				{
-					StrcatToHeaderCode("varying lowp vec4 _gl_FrontColor;\n");
+					StrcatToHeaderCode("varying highp vec4 _gl_FrontColor;\n");
 					m_bFrontColor = true;
 				}
 
@@ -3181,9 +3186,9 @@ int D3DToGL::TranslateShader( uint32* code, CUtlBuffer *pBufDisassembledCode, bo
 	m_bPutHexCodesAfterLines = (options & D3DToGL_PutHexCommentsAfterLines) != 0;
 	m_bGeneratingDebugText = (options & D3DToGL_GeneratingDebugText) != 0;
 	m_bGenerateSRGBWriteSuffix = (options & D3DToGL_OptionSRGBWriteSuffix) != 0;
-//	m_bGenerateSRGBWriteSuffix = true;
+	m_bGenerateSRGBWriteSuffix = false;
 
-	if( debugLabel && ( V_strstr( debugLabel ,"vertexlit_and_unlit_generic_bump_ps") ))
+	if( debugLabel && (V_strstr( debugLabel ,"vertexlit_and_unlit_generic_ps") || V_strstr( debugLabel ,"vertexlit_and_unlit_generic_bump_ps") ) )
 		m_bGenerateSRGBWriteSuffix = true;
 
 	m_NumIndentTabs = 1; // start code indented one tab
@@ -3277,13 +3282,13 @@ int D3DToGL::TranslateShader( uint32* code, CUtlBuffer *pBufDisassembledCode, bo
 	if ( ( dwToken & 0xFFFF0000 ) == 0xFFFF0000 )
 	{
 		// must explicitly enable extensions if emitting GLSL
-		V_snprintf( (char *)m_pBufHeaderCode->Base(), m_pBufHeaderCode->Size(), "#version 300 es\nprecision mediump float;\n#define varying in\n\n%s", glslExtText );
+		V_snprintf( (char *)m_pBufHeaderCode->Base(), m_pBufHeaderCode->Size(), "#version 300 es\nprecision highp float;\n#define varying in\n\n%s", glslExtText );
 		m_bVertexShader = false;
 	}
 	else // vertex shader
 	{
 		m_bGenerateSRGBWriteSuffix = false;
-		V_snprintf( (char *)m_pBufHeaderCode->Base(), m_pBufHeaderCode->Size(), "#version 300 es\nprecision mediump float;\n#define attribute in\n#define varying out\n%s//ATTRIBMAP-xx-xx-xx-xx-xx-xx-xx-xx-xx-xx-xx-xx-xx-xx-xx-xx\n", glslExtText );
+		V_snprintf( (char *)m_pBufHeaderCode->Base(), m_pBufHeaderCode->Size(), "#version 300 es\nprecision highp float;\n#define attribute in\n#define varying out\n%s//ATTRIBMAP-xx-xx-xx-xx-xx-xx-xx-xx-xx-xx-xx-xx-xx-xx-xx-xx\n", glslExtText );
 
 		// find that first '-xx' which is where the attrib map will be written later.
 		pAttribMapStart = strstr( (char *)m_pBufHeaderCode->Base(), "-xx" ) + 1;
@@ -3889,14 +3894,15 @@ int D3DToGL::TranslateShader( uint32* code, CUtlBuffer *pBufDisassembledCode, bo
 
 #define FindSubcode(a) (V_strstr((char*)m_pBufALUCode->Base(), a) != 0 || V_strstr((char*)m_pBufHeaderCode->Base(), a) != 0 || V_strstr((char*)m_pBufParamCode->Base(), a) != 0 || V_strstr((char*)m_pBufAttribCode->Base(), a) != 0  )
 	
+/*
 	if( FindSubcode("shadow2DProj") )
 	{
 		StrcatToHeaderCode( g_szShadow2D );
 		StrcatToHeaderCode( g_szShadow2DProj );
 	}
 	else if( FindSubcode("shadow2D") )
-		StrcatToHeaderCode( g_szShadow2D );
-	
+		StrcatToHeaderCode( g_szShadow2D );*/
+
 	if( FindSubcode("_gl_FrontColor") && !m_bFrontColor )
 		StrcatToHeaderCode( "in vec4 _gl_FrontColor;\n" );
 
diff --git a/togles/linuxwin/dxabstract.cpp b/togles/linuxwin/dxabstract.cpp
index 5da2623f..84d6a3f3 100644
--- a/togles/linuxwin/dxabstract.cpp
+++ b/togles/linuxwin/dxabstract.cpp
@@ -1201,8 +1201,8 @@ static void FillD3DCaps9( const GLMRendererInfoFields &glmRendererInfo, D3DCAPS9
 	pCaps->MaxPixelShader30InstructionSlots		=	0;
 
 #if DX_TO_GL_ABSTRACTION
-	pCaps->FakeSRGBWrite			=	true;//!glmRendererInfo.m_hasGammaWrites;
-	pCaps->CanDoSRGBReadFromRTs		=	true;//!glmRendererInfo.m_cantAttachSRGB;
+	pCaps->FakeSRGBWrite			=	!glmRendererInfo.m_hasGammaWrites;
+	pCaps->CanDoSRGBReadFromRTs		=	!glmRendererInfo.m_cantAttachSRGB;
 	pCaps->MixedSizeTargets			=	glmRendererInfo.m_hasMixedAttachmentSizes;
 #endif
 }
@@ -1320,9 +1320,9 @@ HRESULT IDirect3D9::CheckDeviceFormat(UINT Adapter,D3DDEVTYPE DeviceType,D3DFORM
 							|	D3DUSAGE_QUERY_VERTEXTEXTURE;
 	(void)knownUsageMask;
 
-	//	FramebufferSRGB stuff.
-	//	basically a format is only allowed to have SRGB usage for writing, if you have the framebuffer SRGB extension.
-	//	so, check for that capability with GLM adapter db, and if it's not there, don't mark that bit as usable in any of our formats.
+	// FramebufferSRGB stuff.
+	// basically a format is only allowed to have SRGB usage for writing, if you have the framebuffer SRGB extension.
+	// so, check for that capability with GLM adapter db, and if it's not there, don't mark that bit as usable in any of our formats.
 	GLMDisplayDB *db = GetDisplayDB();
 	int glmRendererIndex = -1;
 	int glmDisplayIndex = -1;
diff --git a/togles/linuxwin/glentrypoints.cpp b/togles/linuxwin/glentrypoints.cpp
index 80fec0ee..394f4f99 100644
--- a/togles/linuxwin/glentrypoints.cpp
+++ b/togles/linuxwin/glentrypoints.cpp
@@ -333,6 +333,9 @@ static bool CheckOpenGLExtension(const char *ext, const int coremajor, const int
 	return retval;
 }
 
+extern bool g_bUsePseudoBufs;
+extern bool g_bDisableStaticBuffer;
+
 // The GL context you want entry points for must be current when you hit this constructor!
 COpenGLEntryPoints::COpenGLEntryPoints()
 	: m_nTotalGLCycles(0)
@@ -387,17 +390,24 @@ COpenGLEntryPoints::COpenGLEntryPoints()
 	{
 		m_bHave_GL_EXT_framebuffer_object = true;
 		m_bHave_GL_EXT_framebuffer_blit = true;
-		m_bHave_GL_EXT_framebuffer_multisample = true;
-		m_bHave_GL_ARB_occlusion_query = true;
 		m_bHave_GL_ARB_map_buffer_range = true;
+		m_bHave_GL_EXT_direct_state_access = false;		
+		m_bHave_GL_ARB_occlusion_query = true;
+		m_bHave_GL_EXT_buffer_storage = false;
 		m_bHave_GL_ARB_vertex_buffer_object = true;
-		m_bHave_GL_ARB_vertex_array_bgra = true;
-		m_bHave_GL_EXT_vertex_array_bgra = true;
 		m_bHave_GL_ARB_debug_output = true;
-		m_bHave_GL_EXT_direct_state_access = false;
-		m_bHave_GL_EXT_framebuffer_multisample_blit_scaled = true;
-		m_bHave_GL_EXT_texture_sRGB_decode = true;
+		m_bHave_GL_ARB_sync = true;
 
+		//	m_bHave_GL_EXT_texture_sRGB_decode = true;
+
+		if( CommandLine()->FindParm( "-gl_enable_pseudobufs" ) )
+			g_bUsePseudoBufs = true;
+		if( CommandLine()->FindParm( "-gl_enable_static_buffer" ) )
+			g_bDisableStaticBuffer = false;
+		if( CommandLine()->FindParm( "-gl_enable_buffer_storage" ) )
+			m_bHave_GL_EXT_buffer_storage = true;
+
+#if 0
 		glBindFramebuffer.Force(glBindFramebuffer.Pointer());
 		glBindRenderbuffer.Force(glBindRenderbuffer.Pointer());
 		glCheckFramebufferStatus.Force(glCheckFramebufferStatus.Pointer());
@@ -410,6 +420,7 @@ COpenGLEntryPoints::COpenGLEntryPoints()
 		glDeleteFramebuffers.Force(glDeleteFramebuffers.Pointer());
 		glBlitFramebuffer.Force(glBlitFramebuffer.Pointer());
 		glRenderbufferStorageMultisample.Force(glRenderbufferStorageMultisample.Pointer());
+#endif
 	}
 
 #if DEBUG_ALL_GLCALLS
@@ -417,10 +428,10 @@ COpenGLEntryPoints::COpenGLEntryPoints()
 #define GL_EXT(x,glmajor,glminor)
 #define GL_FUNC(ext,req,ret,fn,arg,call) \
 	fn##_gldebugptr = this->fn; \
-	this->fn.Force(fn##_gldebug);
+//	this->fn.Force(fn##_gldebug);
 #define GL_FUNC_VOID(ext,req,fn,arg,call) \
 	fn##_gldebugptr = this->fn; \
-	this->fn.Force(fn##_gldebug);
+//	this->fn.Force(fn##_gldebug);
 #include "togles/glfuncs.inl"
 #undef GL_FUNC_VOID
 #undef GL_FUNC
@@ -434,6 +445,7 @@ COpenGLEntryPoints::COpenGLEntryPoints()
 	if ( ( m_bHave_GL_NV_bindless_texture ) && ( !CommandLine()->CheckParm( "-gl_nv_bindless_texturing" ) ) )
 	{
 		m_bHave_GL_NV_bindless_texture = false;
+#if 0
 		glGetTextureHandleNV.Force( NULL );
 		glGetTextureSamplerHandleNV.Force( NULL );
 		glMakeTextureHandleResidentNV.Force( NULL );
@@ -443,6 +455,7 @@ COpenGLEntryPoints::COpenGLEntryPoints()
 		glProgramUniformHandleui64NV.Force( NULL );
 		glProgramUniformHandleui64vNV.Force( NULL );
 		glIsTextureHandleResidentNV.Force( NULL );
+#endif
 	}
 
 	if ( !CommandLine()->CheckParm( "-gl_amd_pinned_memory" ) )
@@ -501,6 +514,3 @@ void COpenGLEntryPoints::ClearEntryPoints()
 }
 // Turn off memdbg macros (turned on up top) since this is included like a header
 #include "tier0/memdbgoff.h"
-
-
-
diff --git a/togles/linuxwin/glmgr.cpp b/togles/linuxwin/glmgr.cpp
index 295d85bb..2e523cf9 100644
--- a/togles/linuxwin/glmgr.cpp
+++ b/togles/linuxwin/glmgr.cpp
@@ -229,7 +229,7 @@ void APIENTRY GL_Debug_Output_Callback(GLenum source, GLenum type, GLuint id, GL
 			
 	if ( ( type == GL_DEBUG_TYPE_ERROR_ARB ) && ( g_bDebugOutputBreakpoints ) )
 	{
-		DebuggerBreak();
+//		DebuggerBreak();		
 	}
 }
 
@@ -592,13 +592,13 @@ void GLMContext::ForceFlushStates()
 
 	m_DepthBias.Flush();
 
-	m_ScissorEnable.Flush();	
+	m_ScissorEnable.Flush();
 	m_ScissorBox.Flush();
 
-	m_ViewportBox.Flush();		
+	m_ViewportBox.Flush();
 	m_ViewportDepthRange.Flush();
 
-	m_ColorMaskSingle.Flush();	
+	m_ColorMaskSingle.Flush();
 
 	m_BlendEnable.Flush();
 	m_BlendFactor.Flush();
@@ -819,7 +819,7 @@ void GLMContext::ProcessTextureDeletes()
 	}
 }
 
-// push and pop attrib when blit has mixed srgb source and dest?		
+// push and pop attrib when blit has mixed srgb source and dest?
 ConVar	gl_radar7954721_workaround_mixed ( "gl_radar7954721_workaround_mixed", "1" );
 
 // push and pop attrib on any blit?
@@ -1323,7 +1323,7 @@ void GLMContext::BlitTex( CGLMTex *srcTex, GLMRect *srcRect, int srcFace, int sr
 		attparams.m_zslice	=	0;
 		m_blitReadFBO->TexAttach( &attparams, attachIndex, GL_READ_FRAMEBUFFER );
 
-		gGL->glDrawBuffers( 1, &attachIndexGL );
+		gGL->glReadBuffer( attachIndexGL );
 
 		//	set the write fb and buffer, and attach write tex
 		BindFBOToCtx( m_blitDrawFBO, GL_DRAW_FRAMEBUFFER );
@@ -2648,7 +2648,7 @@ GLMContext::GLMContext( IDirect3DDevice9 *pDevice, GLMDisplayParams *params )
 
 	gGL->glGenBuffers( 1, &m_destroyPBO );
 	gGL->glBindBuffer( GL_PIXEL_UNPACK_BUFFER, m_destroyPBO );
-	gGL->glBufferData( GL_PIXEL_UNPACK_BUFFER, sizeof( g_garbageTextureBits ), g_garbageTextureBits, GL_STATIC_DRAW );
+	gGL->glBufferData( GL_PIXEL_UNPACK_BUFFER, sizeof( g_garbageTextureBits ), g_garbageTextureBits, GL_STREAM_DRAW );
 	gGL->glBindBuffer( GL_PIXEL_UNPACK_BUFFER, m_nBoundGLBuffer[ kGLMPixelBuffer ] );
 
 	// Create a bunch of texture names for us to use forever and ever ramen.