Add support for GL_CHROMIUM_pixel_transfer_buffer_object.

gpu/command_buffer/build_gles2_cmd_buffer.py

 #!/usr/bin/env python
 # 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.
 
 """code generator for GLES2 command buffers."""
 
 import os
 import os.path
 import sys
@@ skipping 75 matching lines @@
     ],
     'invalid': [
       'GL_FRAMEBUFFER',
     ],
   },
   'BufferTarget': {
     'type': 'GLenum',
     'valid': [
       'GL_ARRAY_BUFFER',
       'GL_ELEMENT_ARRAY_BUFFER',
+      'GL_PIXEL_PACK_TRANSFER_BUFFER_CHROMIUM',
+      'GL_PIXEL_UNPACK_TRANSFER_BUFFER_CHROMIUM',
     ],
     'invalid': [
       'GL_RENDERBUFFER',
     ],
   },
   'BufferUsage': {
     'type': 'GLenum',
     'valid': [
       'GL_STREAM_DRAW',
       'GL_STATIC_DRAW',
@@ skipping 53 matching lines @@
       'GL_MAX_TEXTURE_IMAGE_UNITS',
       'GL_MAX_TEXTURE_SIZE',
       'GL_MAX_VARYING_VECTORS',
       'GL_MAX_VERTEX_ATTRIBS',
       'GL_MAX_VERTEX_TEXTURE_IMAGE_UNITS',
       'GL_MAX_VERTEX_UNIFORM_VECTORS',
       'GL_MAX_VIEWPORT_DIMS',
       'GL_NUM_COMPRESSED_TEXTURE_FORMATS',
       'GL_NUM_SHADER_BINARY_FORMATS',
       'GL_PACK_ALIGNMENT',
+      'GL_PIXEL_PACK_TRANSFER_BUFFER_BINDING_CHROMIUM',
+      'GL_PIXEL_UNPACK_TRANSFER_BUFFER_BINDING_CHROMIUM',
       'GL_POLYGON_OFFSET_FACTOR',
       'GL_POLYGON_OFFSET_FILL',
       'GL_POLYGON_OFFSET_UNITS',
       'GL_RED_BITS',
       'GL_RENDERBUFFER_BINDING',
       'GL_SAMPLE_BUFFERS',
       'GL_SAMPLE_COVERAGE_INVERT',
       'GL_SAMPLE_COVERAGE_VALUE',
       'GL_SAMPLES',
       'GL_SCISSOR_BOX',
@@ skipping 6073 matching lines @@
     gen.WriteCommonUtilsImpl("common/gles2_cmd_utils_implementation_autogen.h")
 
   if gen.errors > 0:
     print "%d errors" % gen.errors
     return 1
   return 0
 
 
 if __name__ == '__main__':
   sys.exit(main(sys.argv[1:]))