Allow binding multiple textures to one DC Layer overlay.

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 4382 matching lines @@
     'unit_test': False,
   },
   'ScheduleDCLayerSharedStateCHROMIUM': {
     'type': 'Custom',
     'impl_func': False,
     'client_test': False,
     'cmd_args': 'GLfloat opacity, GLboolean is_clipped, '
                 'GLint z_order, GLuint shm_id, GLuint shm_offset',
     'extension': 'CHROMIUM_schedule_ca_layer',
   },
+  'SetDCLayerTextureCHROMIUM': {
+    'decoder_func': 'DoSetDCLayerTextureCHROMIUM',
+    'client_test': False,
+    'cmd_args': 'GLuint index, GLuint contents_texture_id',
+    'extension': 'CHROMIUM_schedule_ca_layer',
+    'expectation': False,
+  },
   'ScheduleDCLayerCHROMIUM': {
     'type': 'Custom',
     'impl_func': False,
     'client_test': False,
-    'cmd_args': 'GLuint contents_texture_id, GLuint background_color, '
+    'cmd_args': 'GLuint background_color, '
                 'GLuint edge_aa_mask, GLuint filter, GLuint shm_id, '
                 'GLuint shm_offset',
     'extension': 'CHROMIUM_schedule_ca_layer',
   },
   'CommitOverlayPlanesCHROMIUM': {
     'impl_func': False,
     'decoder_func': 'DoCommitOverlayPlanes',
     'unit_test': False,
     'client_test': False,
     'extension': 'CHROMIUM_commit_overlay_planes',
@@ skipping 6836 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:]))