Allow switching DirectCompositionSurfaceWin between drawing modes.

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 itertools
 import os
 import os.path
@@ skipping 4530 matching lines @@
   'ProgramPathFragmentInputGenCHROMIUM': {
     'type': 'Custom',
     'data_transfer_methods': ['shm'],
     'extension': 'CHROMIUM_path_rendering',
     'extension_flag': 'chromium_path_rendering',
   },
   'SetDrawRectangleCHROMIUM': {
     'decoder_func': 'DoSetDrawRectangleCHROMIUM',
     'extension': 'CHROMIUM_set_draw_rectangle',
   },
+  'SetEnableDCLayersCHROMIUM': {
+    'decoder_func': 'DoSetEnableDCLayersCHROMIUM',
+    'extension': 'CHROMIUM_dc_layers',
+  },
 }
 
 
 def Grouper(n, iterable, fillvalue=None):
   """Collect data into fixed-length chunks or blocks"""
   args = [iter(iterable)] * n
   return itertools.izip_longest(fillvalue=fillvalue, *args)
 
 
 def SplitWords(input_string):
@@ skipping 6684 matching lines @@
   Format(gen.generated_cpp_filenames)
 
   if gen.errors > 0:
     print "%d errors" % gen.errors
     return 1
   return 0
 
 
 if __name__ == '__main__':
   sys.exit(main(sys.argv[1:]))