Merge

4 files changed, 180 insertions, 199 deletions

diff --git a/indra/llrender/llgl.cpp b/indra/llrender/llgl.cpp
index 6ea63809f8..d802a3045d 100644
--- a/indra/llrender/llgl.cpp
+++ b/indra/llrender/llgl.cpp
@@ -154,30 +154,27 @@ PFNGLGETQUERYOBJECTUIVARBPROC glGetQueryObjectuivARB = NULL;
 PFNGLPOINTPARAMETERFARBPROC glPointParameterfARB = NULL;
 PFNGLPOINTPARAMETERFVARBPROC glPointParameterfvARB = NULL;
 
-// GL_EXT_framebuffer_object
-PFNGLISRENDERBUFFEREXTPROC glIsRenderbufferEXT = NULL;
-PFNGLBINDRENDERBUFFEREXTPROC glBindRenderbufferEXT = NULL;
-PFNGLDELETERENDERBUFFERSEXTPROC glDeleteRenderbuffersEXT = NULL;
-PFNGLGENRENDERBUFFERSEXTPROC glGenRenderbuffersEXT = NULL;
-PFNGLRENDERBUFFERSTORAGEEXTPROC glRenderbufferStorageEXT = NULL;
-PFNGLGETRENDERBUFFERPARAMETERIVEXTPROC glGetRenderbufferParameterivEXT = NULL;
-PFNGLISFRAMEBUFFEREXTPROC glIsFramebufferEXT = NULL;
-PFNGLBINDFRAMEBUFFEREXTPROC glBindFramebufferEXT = NULL;
-PFNGLDELETEFRAMEBUFFERSEXTPROC glDeleteFramebuffersEXT = NULL;
-PFNGLGENFRAMEBUFFERSEXTPROC glGenFramebuffersEXT = NULL;
-PFNGLCHECKFRAMEBUFFERSTATUSEXTPROC glCheckFramebufferStatusEXT = NULL;
-PFNGLFRAMEBUFFERTEXTURE1DEXTPROC glFramebufferTexture1DEXT = NULL;
-PFNGLFRAMEBUFFERTEXTURE2DEXTPROC glFramebufferTexture2DEXT = NULL;
-PFNGLFRAMEBUFFERTEXTURE3DEXTPROC glFramebufferTexture3DEXT = NULL;
-PFNGLFRAMEBUFFERRENDERBUFFEREXTPROC glFramebufferRenderbufferEXT = NULL;
-PFNGLGETFRAMEBUFFERATTACHMENTPARAMETERIVEXTPROC glGetFramebufferAttachmentParameterivEXT = NULL;
-PFNGLGENERATEMIPMAPEXTPROC glGenerateMipmapEXT = NULL;
-
-// GL_EXT_framebuffer_multisample
-PFNGLRENDERBUFFERSTORAGEMULTISAMPLEEXTPROC glRenderbufferStorageMultisampleEXT = NULL;
-
-// GL_EXT_framebuffer_blit
-PFNGLBLITFRAMEBUFFEREXTPROC glBlitFramebufferEXT = NULL;
+// GL_ARB_framebuffer_object
+PFNGLISRENDERBUFFERPROC glIsRenderbuffer = NULL;
+PFNGLBINDRENDERBUFFERPROC glBindRenderbuffer = NULL;
+PFNGLDELETERENDERBUFFERSPROC glDeleteRenderbuffers = NULL;
+PFNGLGENRENDERBUFFERSPROC glGenRenderbuffers = NULL;
+PFNGLRENDERBUFFERSTORAGEPROC glRenderbufferStorage = NULL;
+PFNGLGETRENDERBUFFERPARAMETERIVPROC glGetRenderbufferParameteriv = NULL;
+PFNGLISFRAMEBUFFERPROC glIsFramebuffer = NULL;
+PFNGLBINDFRAMEBUFFERPROC glBindFramebuffer = NULL;
+PFNGLDELETEFRAMEBUFFERSPROC glDeleteFramebuffers = NULL;
+PFNGLGENFRAMEBUFFERSPROC glGenFramebuffers = NULL;
+PFNGLCHECKFRAMEBUFFERSTATUSPROC glCheckFramebufferStatus = NULL;
+PFNGLFRAMEBUFFERTEXTURE1DPROC glFramebufferTexture1D = NULL;
+PFNGLFRAMEBUFFERTEXTURE2DPROC glFramebufferTexture2D = NULL;
+PFNGLFRAMEBUFFERTEXTURE3DPROC glFramebufferTexture3D = NULL;
+PFNGLFRAMEBUFFERRENDERBUFFERPROC glFramebufferRenderbuffer = NULL;
+PFNGLGETFRAMEBUFFERATTACHMENTPARAMETERIVPROC glGetFramebufferAttachmentParameteriv = NULL;
+PFNGLGENERATEMIPMAPPROC glGenerateMipmap = NULL;
+PFNGLBLITFRAMEBUFFERPROC glBlitFramebuffer = NULL;
+PFNGLRENDERBUFFERSTORAGEMULTISAMPLEPROC glRenderbufferStorageMultisample = NULL;
+PFNGLFRAMEBUFFERTEXTURELAYERPROC glFramebufferTextureLayer = NULL;
 
 // GL_EXT_blend_func_separate
 PFNGLBLENDFUNCSEPARATEEXTPROC glBlendFuncSeparateEXT = NULL;
@@ -320,7 +317,6 @@ LLGLManager::LLGLManager() :
 	mHasMipMapGeneration(FALSE),
 	mHasCompressedTextures(FALSE),
 	mHasFramebufferObject(FALSE),
-	mHasFramebufferMultisample(FALSE),
 	mHasBlendFuncSeparate(FALSE),
 
 	mHasVertexBufferObject(FALSE),
@@ -635,11 +631,6 @@ void LLGLManager::initExtensions()
 # else
 	mHasFramebufferObject = FALSE;
 # endif
-# ifdef GL_EXT_framebuffer_multisample
-	mHasFramebufferMultisample = TRUE;
-# else
-	mHasFramebufferMultisample = FALSE;
-# endif
 # ifdef GL_ARB_draw_buffers
 	mHasDrawBuffers = TRUE;
 #else
@@ -678,9 +669,7 @@ void LLGLManager::initExtensions()
 	mHasVertexBufferObject = ExtensionExists("GL_ARB_vertex_buffer_object", gGLHExts.mSysExts);
 	mHasDepthClamp = ExtensionExists("GL_ARB_depth_clamp", gGLHExts.mSysExts) || ExtensionExists("GL_NV_depth_clamp", gGLHExts.mSysExts);
 	// mask out FBO support when packed_depth_stencil isn't there 'cause we need it for LLRenderTarget -Brad
-	mHasFramebufferObject = ExtensionExists("GL_EXT_framebuffer_object", gGLHExts.mSysExts)
-		&& ExtensionExists("GL_EXT_packed_depth_stencil", gGLHExts.mSysExts);
-	mHasFramebufferMultisample = mHasFramebufferObject && ExtensionExists("GL_EXT_framebuffer_multisample", gGLHExts.mSysExts);
+	mHasFramebufferObject = ExtensionExists("GL_ARB_framebuffer_object", gGLHExts.mSysExts);
 	mHasDrawBuffers = ExtensionExists("GL_ARB_draw_buffers", gGLHExts.mSysExts);
 	mHasBlendFuncSeparate = ExtensionExists("GL_EXT_blend_func_separate", gGLHExts.mSysExts);
 	mHasTextureRectangle = ExtensionExists("GL_ARB_texture_rectangle", gGLHExts.mSysExts);
@@ -705,7 +694,6 @@ void LLGLManager::initExtensions()
 		mHasCompressedTextures = FALSE;
 		mHasVertexBufferObject = FALSE;
 		mHasFramebufferObject = FALSE;
-		mHasFramebufferMultisample = FALSE;
 		mHasDrawBuffers = FALSE;
 		mHasBlendFuncSeparate = FALSE;
 		mHasMipMapGeneration = FALSE;
@@ -759,10 +747,9 @@ void LLGLManager::initExtensions()
 		if (strchr(blacklist,'p')) mHasPointParameters = FALSE;//S
 		if (strchr(blacklist,'q')) mHasFramebufferObject = FALSE;//S
 		if (strchr(blacklist,'r')) mHasDrawBuffers = FALSE;//S
-		if (strchr(blacklist,'s')) mHasFramebufferMultisample = FALSE;
-		if (strchr(blacklist,'t')) mHasTextureRectangle = FALSE;
-		if (strchr(blacklist,'u')) mHasBlendFuncSeparate = FALSE;//S
-		if (strchr(blacklist,'v')) mHasDepthClamp = FALSE;
+		if (strchr(blacklist,'s')) mHasTextureRectangle = FALSE;
+		if (strchr(blacklist,'t')) mHasBlendFuncSeparate = FALSE;//S
+		if (strchr(blacklist,'u')) mHasDepthClamp = FALSE;
 		
 	}
 #endif // LL_LINUX || LL_SOLARIS
@@ -862,28 +849,26 @@ void LLGLManager::initExtensions()
 	if (mHasFramebufferObject)
 	{
 		llinfos << "initExtensions() FramebufferObject-related procs..." << llendl;
-		glIsRenderbufferEXT = (PFNGLISRENDERBUFFEREXTPROC) GLH_EXT_GET_PROC_ADDRESS("glIsRenderbufferEXT");
-		glBindRenderbufferEXT = (PFNGLBINDRENDERBUFFEREXTPROC) GLH_EXT_GET_PROC_ADDRESS("glBindRenderbufferEXT");
-		glDeleteRenderbuffersEXT = (PFNGLDELETERENDERBUFFERSEXTPROC) GLH_EXT_GET_PROC_ADDRESS("glDeleteRenderbuffersEXT");
-		glGenRenderbuffersEXT = (PFNGLGENRENDERBUFFERSEXTPROC) GLH_EXT_GET_PROC_ADDRESS("glGenRenderbuffersEXT");
-		glRenderbufferStorageEXT = (PFNGLRENDERBUFFERSTORAGEEXTPROC) GLH_EXT_GET_PROC_ADDRESS("glRenderbufferStorageEXT");
-		glGetRenderbufferParameterivEXT = (PFNGLGETRENDERBUFFERPARAMETERIVEXTPROC) GLH_EXT_GET_PROC_ADDRESS("glGetRenderbufferParameterivEXT");
-		glIsFramebufferEXT = (PFNGLISFRAMEBUFFEREXTPROC) GLH_EXT_GET_PROC_ADDRESS("glIsFramebufferEXT");
-		glBindFramebufferEXT = (PFNGLBINDFRAMEBUFFEREXTPROC) GLH_EXT_GET_PROC_ADDRESS("glBindFramebufferEXT");
-		glDeleteFramebuffersEXT = (PFNGLDELETEFRAMEBUFFERSEXTPROC) GLH_EXT_GET_PROC_ADDRESS("glDeleteFramebuffersEXT");
-		glGenFramebuffersEXT = (PFNGLGENFRAMEBUFFERSEXTPROC) GLH_EXT_GET_PROC_ADDRESS("glGenFramebuffersEXT");
-		glCheckFramebufferStatusEXT = (PFNGLCHECKFRAMEBUFFERSTATUSEXTPROC) GLH_EXT_GET_PROC_ADDRESS("glCheckFramebufferStatusEXT");
-		glFramebufferTexture1DEXT = (PFNGLFRAMEBUFFERTEXTURE1DEXTPROC) GLH_EXT_GET_PROC_ADDRESS("glFramebufferTexture1DEXT");
-		glFramebufferTexture2DEXT = (PFNGLFRAMEBUFFERTEXTURE2DEXTPROC) GLH_EXT_GET_PROC_ADDRESS("glFramebufferTexture2DEXT");
-		glFramebufferTexture3DEXT = (PFNGLFRAMEBUFFERTEXTURE3DEXTPROC) GLH_EXT_GET_PROC_ADDRESS("glFramebufferTexture3DEXT");
-		glFramebufferRenderbufferEXT = (PFNGLFRAMEBUFFERRENDERBUFFEREXTPROC) GLH_EXT_GET_PROC_ADDRESS("glFramebufferRenderbufferEXT");
-		glGetFramebufferAttachmentParameterivEXT = (PFNGLGETFRAMEBUFFERATTACHMENTPARAMETERIVEXTPROC) GLH_EXT_GET_PROC_ADDRESS("glGetFramebufferAttachmentParameterivEXT");
-		glGenerateMipmapEXT = (PFNGLGENERATEMIPMAPEXTPROC) GLH_EXT_GET_PROC_ADDRESS("glGenerateMipmapEXT");
-	}
-	if (mHasFramebufferMultisample)
-	{
-		glRenderbufferStorageMultisampleEXT = (PFNGLRENDERBUFFERSTORAGEMULTISAMPLEEXTPROC) GLH_EXT_GET_PROC_ADDRESS("glRenderbufferStorageMultisampleEXT");
-		glBlitFramebufferEXT = (PFNGLBLITFRAMEBUFFEREXTPROC) GLH_EXT_GET_PROC_ADDRESS("glBlitFramebufferEXT");
+		glIsRenderbuffer = (PFNGLISRENDERBUFFERPROC) GLH_EXT_GET_PROC_ADDRESS("glIsRenderbuffer");
+		glBindRenderbuffer = (PFNGLBINDRENDERBUFFERPROC) GLH_EXT_GET_PROC_ADDRESS("glBindRenderbuffer");
+		glDeleteRenderbuffers = (PFNGLDELETERENDERBUFFERSPROC) GLH_EXT_GET_PROC_ADDRESS("glDeleteRenderbuffers");
+		glGenRenderbuffers = (PFNGLGENRENDERBUFFERSPROC) GLH_EXT_GET_PROC_ADDRESS("glGenRenderbuffers");
+		glRenderbufferStorage = (PFNGLRENDERBUFFERSTORAGEPROC) GLH_EXT_GET_PROC_ADDRESS("glRenderbufferStorage");
+		glGetRenderbufferParameteriv = (PFNGLGETRENDERBUFFERPARAMETERIVPROC) GLH_EXT_GET_PROC_ADDRESS("glGetRenderbufferParameteriv");
+		glIsFramebuffer = (PFNGLISFRAMEBUFFERPROC) GLH_EXT_GET_PROC_ADDRESS("glIsFramebuffer");
+		glBindFramebuffer = (PFNGLBINDFRAMEBUFFERPROC) GLH_EXT_GET_PROC_ADDRESS("glBindFramebuffer");
+		glDeleteFramebuffers = (PFNGLDELETEFRAMEBUFFERSPROC) GLH_EXT_GET_PROC_ADDRESS("glDeleteFramebuffers");
+		glGenFramebuffers = (PFNGLGENFRAMEBUFFERSPROC) GLH_EXT_GET_PROC_ADDRESS("glGenFramebuffers");
+		glCheckFramebufferStatus = (PFNGLCHECKFRAMEBUFFERSTATUSPROC) GLH_EXT_GET_PROC_ADDRESS("glCheckFramebufferStatus");
+		glFramebufferTexture1D = (PFNGLFRAMEBUFFERTEXTURE1DPROC) GLH_EXT_GET_PROC_ADDRESS("glFramebufferTexture1D");
+		glFramebufferTexture2D = (PFNGLFRAMEBUFFERTEXTURE2DPROC) GLH_EXT_GET_PROC_ADDRESS("glFramebufferTexture2D");
+		glFramebufferTexture3D = (PFNGLFRAMEBUFFERTEXTURE3DPROC) GLH_EXT_GET_PROC_ADDRESS("glFramebufferTexture3D");
+		glFramebufferRenderbuffer = (PFNGLFRAMEBUFFERRENDERBUFFERPROC) GLH_EXT_GET_PROC_ADDRESS("glFramebufferRenderbuffer");
+		glGetFramebufferAttachmentParameteriv = (PFNGLGETFRAMEBUFFERATTACHMENTPARAMETERIVPROC) GLH_EXT_GET_PROC_ADDRESS("glGetFramebufferAttachmentParameteriv");
+		glGenerateMipmap = (PFNGLGENERATEMIPMAPPROC) GLH_EXT_GET_PROC_ADDRESS("glGenerateMipmap");
+		glBlitFramebuffer = (PFNGLBLITFRAMEBUFFERPROC) GLH_EXT_GET_PROC_ADDRESS("glBlitFramebuffer");
+		glRenderbufferStorageMultisample = (PFNGLRENDERBUFFERSTORAGEMULTISAMPLEPROC) GLH_EXT_GET_PROC_ADDRESS("glRenderbufferStorageMultisample");
+		glFramebufferTextureLayer = (PFNGLFRAMEBUFFERTEXTURELAYERPROC) GLH_EXT_GET_PROC_ADDRESS("glFramebufferTextureLayer");
 	}
 	if (mHasDrawBuffers)
 	{
diff --git a/indra/llrender/llgl.h b/indra/llrender/llgl.h
index 85fab7a0f8..b152bd0c3c 100644
--- a/indra/llrender/llgl.h
+++ b/indra/llrender/llgl.h
@@ -80,7 +80,6 @@ public:
 	BOOL mHasMipMapGeneration;
 	BOOL mHasCompressedTextures;
 	BOOL mHasFramebufferObject;
-	BOOL mHasFramebufferMultisample;
 	BOOL mHasBlendFuncSeparate;
 	
 	// ARB Extensions
diff --git a/indra/llrender/llglheaders.h b/indra/llrender/llglheaders.h
index 576969b81a..1f77897a56 100644
--- a/indra/llrender/llglheaders.h
+++ b/indra/llrender/llglheaders.h
@@ -1,25 +1,25 @@
-/** 
+/**
  * @file llglheaders.h
  * @brief LLGL definitions
  *
  * $LicenseInfo:firstyear=2001&license=viewerlgpl$
  * 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
  * $/LicenseInfo$
  */
@@ -449,30 +449,27 @@ extern PFNGLGETCOMPRESSEDTEXIMAGEARBPROC glGetCompressedTexImageARB;
 //GL_EXT_blend_func_separate
 extern PFNGLBLENDFUNCSEPARATEEXTPROC glBlendFuncSeparateEXT;
 
-//GL_EXT_framebuffer_object
-extern PFNGLISRENDERBUFFEREXTPROC glIsRenderbufferEXT;
-extern PFNGLBINDRENDERBUFFEREXTPROC glBindRenderbufferEXT;
-extern PFNGLDELETERENDERBUFFERSEXTPROC glDeleteRenderbuffersEXT;
-extern PFNGLGENRENDERBUFFERSEXTPROC glGenRenderbuffersEXT;
-extern PFNGLRENDERBUFFERSTORAGEEXTPROC glRenderbufferStorageEXT;
-extern PFNGLGETRENDERBUFFERPARAMETERIVEXTPROC glGetRenderbufferParameterivEXT;
-extern PFNGLISFRAMEBUFFEREXTPROC glIsFramebufferEXT;
-extern PFNGLBINDFRAMEBUFFEREXTPROC glBindFramebufferEXT;
-extern PFNGLDELETEFRAMEBUFFERSEXTPROC glDeleteFramebuffersEXT;
-extern PFNGLGENFRAMEBUFFERSEXTPROC glGenFramebuffersEXT;
-extern PFNGLCHECKFRAMEBUFFERSTATUSEXTPROC glCheckFramebufferStatusEXT;
-extern PFNGLFRAMEBUFFERTEXTURE1DEXTPROC glFramebufferTexture1DEXT;
-extern PFNGLFRAMEBUFFERTEXTURE2DEXTPROC glFramebufferTexture2DEXT;
-extern PFNGLFRAMEBUFFERTEXTURE3DEXTPROC glFramebufferTexture3DEXT;
-extern PFNGLFRAMEBUFFERRENDERBUFFEREXTPROC glFramebufferRenderbufferEXT;
-extern PFNGLGETFRAMEBUFFERATTACHMENTPARAMETERIVEXTPROC glGetFramebufferAttachmentParameterivEXT;
-extern PFNGLGENERATEMIPMAPEXTPROC glGenerateMipmapEXT;
-
-// GL_EXT_framebuffer_multisample
-extern PFNGLRENDERBUFFERSTORAGEMULTISAMPLEEXTPROC glRenderbufferStorageMultisampleEXT;
-
-// GL_EXT_framebuffer_blit
-extern PFNGLBLITFRAMEBUFFEREXTPROC glBlitFramebufferEXT;
+//GL_ARB_framebuffer_object
+extern PFNGLISRENDERBUFFERPROC glIsRenderbuffer;
+extern PFNGLBINDRENDERBUFFERPROC glBindRenderbuffer;
+extern PFNGLDELETERENDERBUFFERSPROC glDeleteRenderbuffers;
+extern PFNGLGENRENDERBUFFERSPROC glGenRenderbuffers;
+extern PFNGLRENDERBUFFERSTORAGEPROC glRenderbufferStorage;
+extern PFNGLGETRENDERBUFFERPARAMETERIVPROC glGetRenderbufferParameteriv;
+extern PFNGLISFRAMEBUFFERPROC glIsFramebuffer;
+extern PFNGLBINDFRAMEBUFFERPROC glBindFramebuffer;
+extern PFNGLDELETEFRAMEBUFFERSPROC glDeleteFramebuffers;
+extern PFNGLGENFRAMEBUFFERSPROC glGenFramebuffers;
+extern PFNGLCHECKFRAMEBUFFERSTATUSPROC glCheckFramebufferStatus;
+extern PFNGLFRAMEBUFFERTEXTURE1DPROC glFramebufferTexture1D;
+extern PFNGLFRAMEBUFFERTEXTURE2DPROC glFramebufferTexture2D;
+extern PFNGLFRAMEBUFFERTEXTURE3DPROC glFramebufferTexture3D;
+extern PFNGLFRAMEBUFFERRENDERBUFFERPROC glFramebufferRenderbuffer;
+extern PFNGLGETFRAMEBUFFERATTACHMENTPARAMETERIVPROC glGetFramebufferAttachmentParameteriv;
+extern PFNGLGENERATEMIPMAPPROC glGenerateMipmap;
+extern PFNGLBLITFRAMEBUFFERPROC glBlitFramebuffer;
+extern PFNGLRENDERBUFFERSTORAGEMULTISAMPLEPROC glRenderbufferStorageMultisample;
+extern PFNGLFRAMEBUFFERTEXTURELAYERPROC glFramebufferTextureLayer;
 
 //GL_ARB_draw_buffers
 extern PFNGLDRAWBUFFERSARBPROC glDrawBuffersARB;
@@ -651,30 +648,27 @@ extern PFNGLGETATTRIBLOCATIONARBPROC glGetAttribLocationARB;
 //GL_EXT_blend_func_separate
 extern PFNGLBLENDFUNCSEPARATEEXTPROC glBlendFuncSeparateEXT;
 
-//GL_EXT_framebuffer_object
-extern PFNGLISRENDERBUFFEREXTPROC glIsRenderbufferEXT;
-extern PFNGLBINDRENDERBUFFEREXTPROC glBindRenderbufferEXT;
-extern PFNGLDELETERENDERBUFFERSEXTPROC glDeleteRenderbuffersEXT;
-extern PFNGLGENRENDERBUFFERSEXTPROC glGenRenderbuffersEXT;
-extern PFNGLRENDERBUFFERSTORAGEEXTPROC glRenderbufferStorageEXT;
-extern PFNGLGETRENDERBUFFERPARAMETERIVEXTPROC glGetRenderbufferParameterivEXT;
-extern PFNGLISFRAMEBUFFEREXTPROC glIsFramebufferEXT;
-extern PFNGLBINDFRAMEBUFFEREXTPROC glBindFramebufferEXT;
-extern PFNGLDELETEFRAMEBUFFERSEXTPROC glDeleteFramebuffersEXT;
-extern PFNGLGENFRAMEBUFFERSEXTPROC glGenFramebuffersEXT;
-extern PFNGLCHECKFRAMEBUFFERSTATUSEXTPROC glCheckFramebufferStatusEXT;
-extern PFNGLFRAMEBUFFERTEXTURE1DEXTPROC glFramebufferTexture1DEXT;
-extern PFNGLFRAMEBUFFERTEXTURE2DEXTPROC glFramebufferTexture2DEXT;
-extern PFNGLFRAMEBUFFERTEXTURE3DEXTPROC glFramebufferTexture3DEXT;
-extern PFNGLFRAMEBUFFERRENDERBUFFEREXTPROC glFramebufferRenderbufferEXT;
-extern PFNGLGETFRAMEBUFFERATTACHMENTPARAMETERIVEXTPROC glGetFramebufferAttachmentParameterivEXT;
-extern PFNGLGENERATEMIPMAPEXTPROC glGenerateMipmapEXT;
-
-// GL_EXT_framebuffer_multisample
-extern PFNGLRENDERBUFFERSTORAGEMULTISAMPLEEXTPROC glRenderbufferStorageMultisampleEXT;
-
-// GL_EXT_framebuffer_blit
-extern PFNGLBLITFRAMEBUFFEREXTPROC glBlitFramebufferEXT;
+//GL_ARB_framebuffer_object
+extern PFNGLISRENDERBUFFERPROC glIsRenderbuffer;
+extern PFNGLBINDRENDERBUFFERPROC glBindRenderbuffer;
+extern PFNGLDELETERENDERBUFFERSPROC glDeleteRenderbuffers;
+extern PFNGLGENRENDERBUFFERSPROC glGenRenderbuffers;
+extern PFNGLRENDERBUFFERSTORAGEPROC glRenderbufferStorage;
+extern PFNGLGETRENDERBUFFERPARAMETERIVPROC glGetRenderbufferParameteriv;
+extern PFNGLISFRAMEBUFFERPROC glIsFramebuffer;
+extern PFNGLBINDFRAMEBUFFERPROC glBindFramebuffer;
+extern PFNGLDELETEFRAMEBUFFERSPROC glDeleteFramebuffers;
+extern PFNGLGENFRAMEBUFFERSPROC glGenFramebuffers;
+extern PFNGLCHECKFRAMEBUFFERSTATUSPROC glCheckFramebufferStatus;
+extern PFNGLFRAMEBUFFERTEXTURE1DPROC glFramebufferTexture1D;
+extern PFNGLFRAMEBUFFERTEXTURE2DPROC glFramebufferTexture2D;
+extern PFNGLFRAMEBUFFERTEXTURE3DPROC glFramebufferTexture3D;
+extern PFNGLFRAMEBUFFERRENDERBUFFERPROC glFramebufferRenderbuffer;
+extern PFNGLGETFRAMEBUFFERATTACHMENTPARAMETERIVPROC glGetFramebufferAttachmentParameteriv;
+extern PFNGLGENERATEMIPMAPPROC glGenerateMipmap;
+extern PFNGLBLITFRAMEBUFFERPROC glBlitFramebuffer;
+extern PFNGLRENDERBUFFERSTORAGEMULTISAMPLEPROC glRenderbufferStorageMultisample;
+extern PFNGLFRAMEBUFFERTEXTURELAYERPROC glFramebufferTextureLayer;
 
 //GL_ARB_draw_buffers
 extern PFNGLDRAWBUFFERSARBPROC glDrawBuffersARB;
diff --git a/indra/llrender/llrendertarget.cpp b/indra/llrender/llrendertarget.cpp
index ccbd027f30..cd2556d435 100644
--- a/indra/llrender/llrendertarget.cpp
+++ b/indra/llrender/llrendertarget.cpp
@@ -38,10 +38,10 @@ void check_framebuffer_status()
 {
 	if (gDebugGL)
 	{
-		GLenum status = glCheckFramebufferStatusEXT(GL_FRAMEBUFFER_EXT);
+		GLenum status = glCheckFramebufferStatus(GL_DRAW_FRAMEBUFFER);
 		switch (status)
 		{
-		case GL_FRAMEBUFFER_COMPLETE_EXT:
+		case GL_FRAMEBUFFER_COMPLETE:
 			break;
 		default:
 			ll_fail("check_framebuffer_status failed");	
@@ -99,24 +99,24 @@ void LLRenderTarget::allocate(U32 resx, U32 resy, U32 color_fmt, bool depth, boo
 			stop_glerror();
 		}
 
-		glGenFramebuffersEXT(1, (GLuint *) &mFBO);
+		glGenFramebuffers(1, (GLuint *) &mFBO);
 
 		if (mDepth)
 		{
-			glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, mFBO);
+			glBindFramebuffer(GL_FRAMEBUFFER, mFBO);
 			if (mStencil)
 			{
-				glFramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT, GL_DEPTH_ATTACHMENT_EXT, GL_RENDERBUFFER_EXT, mDepth);
+				glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, mDepth);
 				stop_glerror();
-				glFramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT, GL_STENCIL_ATTACHMENT_EXT, GL_RENDERBUFFER_EXT, mDepth);
+				glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_STENCIL_ATTACHMENT, GL_RENDERBUFFER, mDepth);
 				stop_glerror();
 			}
 			else
 			{
-				glFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_DEPTH_ATTACHMENT_EXT, LLTexUnit::getInternalType(mUsage), mDepth, 0);
+				glFramebufferTexture2D(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, LLTexUnit::getInternalType(mUsage), mDepth, 0);
 				stop_glerror();
 			}
-			glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
+			glBindFramebuffer(GL_FRAMEBUFFER, 0);
 		}
 		
 		stop_glerror();
@@ -168,14 +168,14 @@ void LLRenderTarget::addColorAttachment(U32 color_fmt)
 	}
 	if (mFBO)
 	{
-		glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, mFBO);
-		glFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT+offset,
+		glBindFramebuffer(GL_FRAMEBUFFER, mFBO);
+		glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0+offset,
 			LLTexUnit::getInternalType(mUsage), tex, 0);
 			stop_glerror();
 
 		check_framebuffer_status();
 		
-		glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
+		glBindFramebuffer(GL_FRAMEBUFFER, 0);
 	}
 
 	mTex.push_back(tex);
@@ -187,10 +187,10 @@ void LLRenderTarget::allocateDepth()
 	if (mStencil)
 	{
 		//use render buffers where stencil buffers are in play
-		glGenRenderbuffersEXT(1, (GLuint *) &mDepth);
-		glBindRenderbufferEXT(GL_RENDERBUFFER_EXT, mDepth);
-		glRenderbufferStorageEXT(GL_RENDERBUFFER_EXT, GL_DEPTH24_STENCIL8_EXT, mResX, mResY);
-		glBindRenderbufferEXT(GL_RENDERBUFFER_EXT, 0);
+		glGenRenderbuffers(1, (GLuint *) &mDepth);
+		glBindRenderbuffer(GL_RENDERBUFFER, mDepth);
+		glRenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH24_STENCIL8, mResX, mResY);
+		glBindRenderbuffer(GL_RENDERBUFFER, 0);
 	}
 	else
 	{
@@ -198,7 +198,7 @@ void LLRenderTarget::allocateDepth()
 		gGL.getTexUnit(0)->bindManual(mUsage, mDepth);
 		U32 internal_type = LLTexUnit::getInternalType(mUsage);
 		gGL.getTexUnit(0)->setTextureFilteringOption(LLTexUnit::TFO_POINT);
-		LLImageGL::setManualImage(internal_type, 0, GL_DEPTH_COMPONENT32_ARB, mResX, mResY, GL_DEPTH_COMPONENT, GL_UNSIGNED_INT, NULL);
+		LLImageGL::setManualImage(internal_type, 0, GL_DEPTH_COMPONENT32, mResX, mResY, GL_DEPTH_COMPONENT, GL_UNSIGNED_INT, NULL);
 	}
 }
 
@@ -222,23 +222,23 @@ void LLRenderTarget::shareDepthBuffer(LLRenderTarget& target)
 	if (mDepth)
 	{
 		stop_glerror();
-		glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, target.mFBO);
+		glBindFramebuffer(GL_FRAMEBUFFER, target.mFBO);
 		stop_glerror();
 
 		if (mStencil)
 		{
-			glFramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT, GL_DEPTH_ATTACHMENT_EXT, GL_RENDERBUFFER_EXT, mDepth);
+			glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, mDepth);
 			stop_glerror();
-			glFramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT, GL_STENCIL_ATTACHMENT_EXT, GL_RENDERBUFFER_EXT, mDepth);			
+			glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_STENCIL_ATTACHMENT, GL_RENDERBUFFER, mDepth);			
 			stop_glerror();
 			target.mStencil = true;
 		}
 		else
 		{
-			glFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_DEPTH_ATTACHMENT_EXT, LLTexUnit::getInternalType(mUsage), mDepth, 0);
+			glFramebufferTexture2D(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, LLTexUnit::getInternalType(mUsage), mDepth, 0);
 			stop_glerror();
 		}
-		glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
+		glBindFramebuffer(GL_FRAMEBUFFER, 0);
 
 		target.mUseDepth = true;
 	}
@@ -250,7 +250,7 @@ void LLRenderTarget::release()
 	{
 		if (mStencil)
 		{
-			glDeleteRenderbuffersEXT(1, (GLuint*) &mDepth);
+			glDeleteRenderbuffers(1, (GLuint*) &mDepth);
 			stop_glerror();
 		}
 		else
@@ -262,23 +262,23 @@ void LLRenderTarget::release()
 	}
 	else if (mUseDepth && mFBO)
 	{ //detach shared depth buffer
-		glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, mFBO);
+		glBindFramebuffer(GL_FRAMEBUFFER, mFBO);
 		if (mStencil)
 		{ //attached as a renderbuffer
-			glFramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT, GL_DEPTH_ATTACHMENT_EXT, GL_RENDERBUFFER_EXT, 0);
-			glFramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT, GL_STENCIL_ATTACHMENT_EXT, GL_RENDERBUFFER_EXT, 0);
+			glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, 0);
+			glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_STENCIL_ATTACHMENT, GL_RENDERBUFFER, 0);
 			mStencil = false;
 		}
 		else
 		{ //attached as a texture
-			glFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_DEPTH_ATTACHMENT_EXT, LLTexUnit::getInternalType(mUsage), 0, 0);
+			glFramebufferTexture2D(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, LLTexUnit::getInternalType(mUsage), 0, 0);
 		}
 		mUseDepth = false;
 	}
 
 	if (mFBO)
 	{
-		glDeleteFramebuffersEXT(1, (GLuint *) &mFBO);
+		glDeleteFramebuffers(1, (GLuint *) &mFBO);
 		mFBO = 0;
 	}
 
@@ -304,14 +304,14 @@ void LLRenderTarget::bindTarget()
 		}
 		else
 		{
-			glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, mFBO);
+			glBindFramebuffer(GL_FRAMEBUFFER, mFBO);
 			stop_glerror();
 			if (gGLManager.mHasDrawBuffers)
 			{ //setup multiple render targets
-				GLenum drawbuffers[] = {GL_COLOR_ATTACHMENT0_EXT,
-										GL_COLOR_ATTACHMENT1_EXT,
-										GL_COLOR_ATTACHMENT2_EXT,
-										GL_COLOR_ATTACHMENT3_EXT};
+				GLenum drawbuffers[] = {GL_COLOR_ATTACHMENT0,
+										GL_COLOR_ATTACHMENT1,
+										GL_COLOR_ATTACHMENT2,
+										GL_COLOR_ATTACHMENT3};
 				glDrawBuffersARB(mTex.size(), drawbuffers);
 			}
 			
@@ -336,7 +336,7 @@ void LLRenderTarget::unbindTarget()
 {
 	if (gGLManager.mHasFramebufferObject)
 	{
-		glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
+		glBindFramebuffer(GL_FRAMEBUFFER, 0);
 	}
 	sBoundTarget = NULL;
 }
@@ -398,7 +398,7 @@ void LLRenderTarget::flush(bool fetch_depth)
 			}
 
 			gGL.getTexUnit(0)->bind(this);
-			glCopyTexImage2D(LLTexUnit::getInternalType(mUsage), 0, GL_DEPTH24_STENCIL8_EXT, 0, 0, mResX, mResY, 0);
+			glCopyTexImage2D(LLTexUnit::getInternalType(mUsage), 0, GL_DEPTH24_STENCIL8, 0, 0, mResX, mResY, 0);
 		}
 
 		gGL.getTexUnit(0)->disable();
@@ -407,55 +407,59 @@ void LLRenderTarget::flush(bool fetch_depth)
 	{
 		stop_glerror();
 
-		glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
+		glBindFramebuffer(GL_FRAMEBUFFER, 0);
 
 		stop_glerror();
 	
 		if (mSampleBuffer)
 		{
-			LLGLEnable multisample(GL_MULTISAMPLE_ARB);
+			LLGLEnable multisample(GL_MULTISAMPLE);
 			stop_glerror();
-			glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, mFBO);
+			glBindFramebuffer(GL_FRAMEBUFFER, mFBO);
 			stop_glerror();
 			check_framebuffer_status();
-			glBindFramebufferEXT(GL_READ_FRAMEBUFFER_EXT, mSampleBuffer->mFBO);
+			glBindFramebuffer(GL_READ_FRAMEBUFFER, mSampleBuffer->mFBO);
 			check_framebuffer_status();
 			
 			stop_glerror();
-			glBlitFramebufferEXT(0, 0, mResX, mResY, 0, 0, mResX, mResY, GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT, GL_NEAREST);
+			glBlitFramebuffer(0, 0, mResX, mResY, 0, 0, mResX, mResY, GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT, GL_NEAREST);
 			stop_glerror();		
 
 			if (mTex.size() > 1)
 			{		
 				for (U32 i = 1; i < mTex.size(); ++i)
 				{
-					glFramebufferTexture2DEXT(GL_DRAW_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT,
+					glFramebufferTexture2D(GL_DRAW_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,
 										LLTexUnit::getInternalType(mUsage), mTex[i], 0);
 					stop_glerror();
-					glFramebufferRenderbufferEXT(GL_READ_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT, GL_RENDERBUFFER_EXT, mSampleBuffer->mTex[i]);
+					glFramebufferRenderbuffer(GL_READ_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_RENDERBUFFER, mSampleBuffer->mTex[i]);
 					stop_glerror();
-					glBlitFramebufferEXT(0, 0, mResX, mResY, 0, 0, mResX, mResY, GL_COLOR_BUFFER_BIT, GL_NEAREST);		
+					glBlitFramebuffer(0, 0, mResX, mResY, 0, 0, mResX, mResY, GL_COLOR_BUFFER_BIT, GL_NEAREST);		
 					stop_glerror();
 				}
 
 				for (U32 i = 0; i < mTex.size(); ++i)
 				{
-					glFramebufferTexture2DEXT(GL_DRAW_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT+i,
+					glFramebufferTexture2D(GL_DRAW_FRAMEBUFFER, GL_COLOR_ATTACHMENT0+i,
 										LLTexUnit::getInternalType(mUsage), mTex[i], 0);
 					stop_glerror();
-					glFramebufferRenderbufferEXT(GL_READ_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT+i, GL_RENDERBUFFER_EXT, mSampleBuffer->mTex[i]);
+					glFramebufferRenderbuffer(GL_READ_FRAMEBUFFER, GL_COLOR_ATTACHMENT0+i, GL_RENDERBUFFER, mSampleBuffer->mTex[i]);
 					stop_glerror();
 				}
 			}
 		}
 
-		glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
+		glBindFramebuffer(GL_FRAMEBUFFER, 0);
 	}
 }
 
 void LLRenderTarget::copyContents(LLRenderTarget& source, S32 srcX0, S32 srcY0, S32 srcX1, S32 srcY1,
 						S32 dstX0, S32 dstY0, S32 dstX1, S32 dstY1, U32 mask, U32 filter)
 {
+	GLboolean write_depth = mask & GL_DEPTH_BUFFER_BIT ? TRUE : FALSE;
+
+	LLGLDepthTest depth(write_depth, write_depth);
+
 	gGL.flush();
 	if (!source.mFBO || !mFBO)
 	{
@@ -472,25 +476,25 @@ void LLRenderTarget::copyContents(LLRenderTarget& source, S32 srcX0, S32 srcY0,
 		{
 			stop_glerror();
 		
-			glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, source.mFBO);
+			glBindFramebuffer(GL_FRAMEBUFFER, source.mFBO);
 			gGL.getTexUnit(0)->bind(this, true);
 			stop_glerror();
 			glCopyTexSubImage2D(LLTexUnit::getInternalType(mUsage), 0, srcX0, srcY0, dstX0, dstY0, dstX1, dstY1);
 			stop_glerror();
-			glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
+			glBindFramebuffer(GL_FRAMEBUFFER, 0);
 			stop_glerror();
 		}
 		else
 		{
-			glBindFramebufferEXT(GL_READ_FRAMEBUFFER_EXT, source.mFBO);
+			glBindFramebuffer(GL_READ_FRAMEBUFFER, source.mFBO);
 			stop_glerror();
-			glBindFramebufferEXT(GL_DRAW_FRAMEBUFFER_EXT, mFBO);
+			glBindFramebuffer(GL_DRAW_FRAMEBUFFER, mFBO);
 			stop_glerror();
 			check_framebuffer_status();
 			stop_glerror();
-			glBlitFramebufferEXT(srcX0, srcY0, srcX1, srcY1, dstX0, dstY0, dstX1, dstY1, mask, filter);
+			glBlitFramebuffer(srcX0, srcY0, srcX1, srcY1, dstX0, dstY0, dstX1, dstY1, mask, filter);
 			stop_glerror();
-			glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
+			glBindFramebuffer(GL_FRAMEBUFFER, 0);
 			stop_glerror();
 		}
 	}
@@ -505,15 +509,19 @@ void LLRenderTarget::copyContentsToFramebuffer(LLRenderTarget& source, S32 srcX0
 		llerrs << "Cannot copy framebuffer contents for non FBO render targets." << llendl;
 	}
 	{
-		glBindFramebufferEXT(GL_READ_FRAMEBUFFER_EXT, source.mFBO);
+		GLboolean write_depth = mask & GL_DEPTH_BUFFER_BIT ? TRUE : FALSE;
+
+		LLGLDepthTest depth(write_depth, write_depth);
+		
+		glBindFramebuffer(GL_READ_FRAMEBUFFER, source.mFBO);
 		stop_glerror();
-		glBindFramebufferEXT(GL_DRAW_FRAMEBUFFER_EXT, 0);
+		glBindFramebuffer(GL_DRAW_FRAMEBUFFER, 0);
 		stop_glerror();
 		check_framebuffer_status();
 		stop_glerror();
-		glBlitFramebufferEXT(srcX0, srcY0, srcX1, srcY1, dstX0, dstY0, dstX1, dstY1, mask, filter);
+		glBlitFramebuffer(srcX0, srcY0, srcX1, srcY1, dstX0, dstY0, dstX1, dstY1, mask, filter);
 		stop_glerror();
-		glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
+		glBindFramebuffer(GL_FRAMEBUFFER, 0);
 		stop_glerror();
 	}
 }
@@ -548,19 +556,19 @@ void LLMultisampleBuffer::release()
 {
 	if (mFBO)
 	{
-		glDeleteFramebuffersEXT(1, (GLuint *) &mFBO);
+		glDeleteFramebuffers(1, (GLuint *) &mFBO);
 		mFBO = 0;
 	}
 
 	if (mTex.size() > 0)
 	{
-		glDeleteRenderbuffersEXT(mTex.size(), (GLuint *) &mTex[0]);
+		glDeleteRenderbuffers(mTex.size(), (GLuint *) &mTex[0]);
 		mTex.clear();
 	}
 
 	if (mDepth)
 	{
-		glDeleteRenderbuffersEXT(1, (GLuint *) &mDepth);
+		glDeleteRenderbuffers(1, (GLuint *) &mDepth);
 		mDepth = 0;
 	}
 }
@@ -577,13 +585,13 @@ void LLMultisampleBuffer::bindTarget(LLRenderTarget* ref)
 		ref = this;
 	}
 
-	glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, mFBO);
+	glBindFramebuffer(GL_FRAMEBUFFER, mFBO);
 	if (gGLManager.mHasDrawBuffers)
 	{ //setup multiple render targets
-		GLenum drawbuffers[] = {GL_COLOR_ATTACHMENT0_EXT,
-								GL_COLOR_ATTACHMENT1_EXT,
-								GL_COLOR_ATTACHMENT2_EXT,
-								GL_COLOR_ATTACHMENT3_EXT};
+		GLenum drawbuffers[] = {GL_COLOR_ATTACHMENT0,
+								GL_COLOR_ATTACHMENT1,
+								GL_COLOR_ATTACHMENT2,
+								GL_COLOR_ATTACHMENT3};
 		glDrawBuffersARB(ref->mTex.size(), drawbuffers);
 	}
 
@@ -611,11 +619,6 @@ void LLMultisampleBuffer::allocate(U32 resx, U32 resy, U32 color_fmt, bool depth
 
 	release();
 
-	if (!gGLManager.mHasFramebufferMultisample)
-	{
-		llerrs << "Attempting to allocate unsupported render target type!" << llendl;
-	}
-
 	mSamples = samples;
 	
 	if (mSamples <= 1)
@@ -635,21 +638,21 @@ void LLMultisampleBuffer::allocate(U32 resx, U32 resy, U32 color_fmt, bool depth
 			stop_glerror();
 		}
 
-		glGenFramebuffersEXT(1, (GLuint *) &mFBO);
+		glGenFramebuffers(1, (GLuint *) &mFBO);
 
-		glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, mFBO);
+		glBindFramebuffer(GL_FRAMEBUFFER, mFBO);
 
 		if (mDepth)
 		{
-			glFramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT, GL_DEPTH_ATTACHMENT_EXT, GL_RENDERBUFFER_EXT, mDepth);
+			glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, mDepth);
 			if (mStencil)
 			{
-				glFramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT, GL_STENCIL_ATTACHMENT_EXT, GL_RENDERBUFFER_EXT, mDepth);			
+				glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_STENCIL_ATTACHMENT, GL_RENDERBUFFER, mDepth);			
 			}
 		}
 	
 		stop_glerror();
-		glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
+		glBindFramebuffer(GL_FRAMEBUFFER, 0);
 		stop_glerror();
 	}
 
@@ -671,28 +674,28 @@ void LLMultisampleBuffer::addColorAttachment(U32 color_fmt)
 	}
 
 	U32 tex;
-	glGenRenderbuffersEXT(1, &tex);
+	glGenRenderbuffers(1, &tex);
 	
-	glBindRenderbufferEXT(GL_RENDERBUFFER_EXT, tex);
-	glRenderbufferStorageMultisampleEXT(GL_RENDERBUFFER_EXT, mSamples, color_fmt, mResX, mResY);
+	glBindRenderbuffer(GL_RENDERBUFFER, tex);
+	glRenderbufferStorageMultisample(GL_RENDERBUFFER, mSamples, color_fmt, mResX, mResY);
 	stop_glerror();
 
 	if (mFBO)
 	{
-		glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, mFBO);
-		glFramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT+offset, GL_RENDERBUFFER_EXT, tex);
+		glBindFramebuffer(GL_FRAMEBUFFER, mFBO);
+		glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0+offset, GL_RENDERBUFFER, tex);
 		stop_glerror();
-		GLenum status = glCheckFramebufferStatusEXT(GL_FRAMEBUFFER_EXT);
+		GLenum status = glCheckFramebufferStatus(GL_FRAMEBUFFER);
 		switch (status)
 		{
-		case GL_FRAMEBUFFER_COMPLETE_EXT:
+		case GL_FRAMEBUFFER_COMPLETE:
 			break;
 		default:
 			llerrs << "WTF? " << std::hex << status << llendl;
 			break;
 		}
 
-		glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
+		glBindFramebuffer(GL_FRAMEBUFFER, 0);
 	}
 
 	mTex.push_back(tex);
@@ -700,15 +703,15 @@ void LLMultisampleBuffer::addColorAttachment(U32 color_fmt)
 
 void LLMultisampleBuffer::allocateDepth()
 {
-	glGenRenderbuffersEXT(1, (GLuint* ) &mDepth);
-	glBindRenderbufferEXT(GL_RENDERBUFFER_EXT, mDepth);
+	glGenRenderbuffers(1, (GLuint* ) &mDepth);
+	glBindRenderbuffer(GL_RENDERBUFFER, mDepth);
 	if (mStencil)
 	{
-		glRenderbufferStorageMultisampleEXT(GL_RENDERBUFFER_EXT, mSamples, GL_DEPTH24_STENCIL8_EXT, mResX, mResY);	
+		glRenderbufferStorageMultisample(GL_RENDERBUFFER, mSamples, GL_DEPTH24_STENCIL8, mResX, mResY);	
 	}
 	else
 	{
-		glRenderbufferStorageMultisampleEXT(GL_RENDERBUFFER_EXT, mSamples, GL_DEPTH_COMPONENT16_ARB, mResX, mResY);	
+		glRenderbufferStorageMultisample(GL_RENDERBUFFER, mSamples, GL_DEPTH_COMPONENT16, mResX, mResY);	
 	}
 }