WebGL: GL_RGB emulation for IOSurface backed textures. [For reference only]

gpu/command_buffer/common/gles2_cmd_utils.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // This file is here so other GLES2 related files can have a common set of
 // includes where appropriate.
 
 #include <sstream>
 #include <GLES2/gl2.h>
 #include <GLES2/gl2ext.h>
@@ skipping 1084 matching lines @@
 uint32_t GLES2Util::GetChannelsForFormat(int format) {
   switch (format) {
     case GL_ALPHA:
     case GL_ALPHA16F_EXT:
     case GL_ALPHA32F_EXT:
       return kAlpha;
     case GL_LUMINANCE:
       return kRGB;
     case GL_LUMINANCE_ALPHA:
       return kRGBA;
+    case GL_BGR_EXT:
     case GL_RGB:
     case GL_RGB8_OES:
     case GL_RGB565:
     case GL_RGB16F_EXT:
     case GL_RGB32F_EXT:
     case GL_SRGB_EXT:
     case GL_SRGB8:
     case GL_RGB8_SNORM:
     case GL_R11F_G11F_B10F:
     case GL_RGB9_E5:
@@ skipping 427 matching lines @@
   }
 
   return true;
 }
 
 #include "gpu/command_buffer/common/gles2_cmd_utils_implementation_autogen.h"
 
 }  // namespace gles2
 }  // namespace gpu