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

gpu/command_buffer/service/image_factory.cc

 // Copyright 2014 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.
 
 #include "gpu/command_buffer/service/image_factory.h"
 
 #include "gpu/command_buffer/common/capabilities.h"
 #include "ui/gl/gl_bindings.h"
 
 namespace gpu {
 
 ImageFactory::ImageFactory() {
 }
 
 ImageFactory::~ImageFactory() {
 }
 
 // static
 gfx::BufferFormat ImageFactory::DefaultBufferFormatForImageFormat(
     unsigned internalformat) {
   switch (internalformat) {
     case GL_RED:
       return gfx::BufferFormat::R_8;
     case GL_RGB:
+    case GL_BGR_EXT:
       return gfx::BufferFormat::BGRX_8888;
     case GL_RGBA:
       return gfx::BufferFormat::RGBA_8888;
     case GL_BGRA_EXT:
       return gfx::BufferFormat::BGRA_8888;
     case GL_ATC_RGB_AMD:
       return gfx::BufferFormat::ATC;
     case GL_ATC_RGBA_INTERPOLATED_ALPHA_AMD:
       return gfx::BufferFormat::ATCIA;
     case GL_COMPRESSED_RGB_S3TC_DXT1_EXT:
@@ skipping 101 matching lines @@
       return size.width() % 2 == 0 && size.height() % 2 == 0;
     case gfx::BufferFormat::UYVY_422:
       return size.width() % 2 == 0;
   }
 
   NOTREACHED();
   return false;
 }
 
 }  // namespace gpu