Add GL_ANGLE_pack_reverse_row_order to command buffer

gpu/command_buffer/build_gles2_cmd_buffer.py

 #!/usr/bin/python
 #
 # Copyright (c) 2011 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
@@ skipping 528 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_PACK_FLIP_Y_ANGLE',

[greggman, 2011/11/17 19:56:54]

This should not be here. You should check in gpu/service/feature_info.cc and add
them only if the extension exists.

       '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 372 matching lines @@
     'valid': [
       'GL_FASTEST',
       'GL_NICEST',
       'GL_DONT_CARE',
     ],
   },
   'PixelStore': {
     'type': 'GLenum',
     'valid': [
       'GL_PACK_ALIGNMENT',
+      'GL_PACK_FLIP_Y_ANGLE',

[greggman, 2011/11/17 19:56:54]

same as above

       'GL_UNPACK_ALIGNMENT',
     ],
     'invalid': [
       'GL_PACK_SWAP_BYTES',
       'GL_UNPACK_SWAP_BYTES',
     ],
   },
   'PixelStoreAlignment': {
     'type': 'GLint',
     'valid': [
@@ skipping 5030 matching lines @@
 
     if options.generate_docs:
       gen.WriteDocs("docs/gles2_cmd_format_docs_autogen.h")
 
   if gen.errors > 0:
     print "%d errors" % gen.errors
     sys.exit(1)
 
 if __name__ == '__main__':
   main(sys.argv[1:])