command_buffer: Implement CHROMIUM_framebuffer_mixed_samples extension

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 132 matching lines @@
     'state_flag': 'framebuffer_state_.clear_state_dirty',
   },
   'ClearStencil': {
     'type': 'Normal',
     'func': 'ClearStencil',
     'enum': 'GL_STENCIL_CLEAR_VALUE',
     'states': [
       {'name': 'stencil_clear', 'type': 'GLint', 'default': '0'},
     ],
   },
+  'CoverageModulationCHROMIUM': {
+    'type': 'Normal',
+    'func': 'CoverageModulationNV',
+    'extension_flag': 'chromium_framebuffer_mixed_samples',
+    'states': [
+      { 'enum': 'GL_COVERAGE_MODULATION_CHROMIUM',
+        'name': 'coverage_modulation',
+        'type': 'GLenum',
+        'default': 'GL_NONE',
+      },
+    ]
+  },
   'BlendColor': {
     'type': 'Normal',
     'func': 'BlendColor',
     'enum': 'GL_BLEND_COLOR',
     'states': [
       {'name': 'blend_color_red', 'type': 'GLfloat', 'default': '0.0f'},
       {'name': 'blend_color_green', 'type': 'GLfloat', 'default': '0.0f'},
       {'name': 'blend_color_blue', 'type': 'GLfloat', 'default': '0.0f'},
       {'name': 'blend_color_alpha', 'type': 'GLfloat', 'default': '0.0f'},
     ],
@@ skipping 483 matching lines @@
     'type': 'GLenum',
     'is_complete': True,
     'valid': [
       'GL_NEAREST',
       'GL_LINEAR',
     ],
     'invalid': [
       'GL_LINEAR_MIPMAP_LINEAR',
     ],
   },
+  'CoverageModulationComponents': {
+    'type': 'GLenum',
+    'valid': [
+      'GL_RGB', 'GL_RGBA', 'GL_ALPHA', 'GL_NONE'
+    ],
+  },
   'FrameBufferTarget': {
     'type': 'GLenum',
     'valid': [
       'GL_FRAMEBUFFER',
     ],
     'valid_es3': [
       'GL_DRAW_FRAMEBUFFER' ,
       'GL_READ_FRAMEBUFFER' ,
     ],
     'invalid': [
@@ skipping 1772 matching lines @@
     'count': 64,  # GL_MAILBOX_SIZE_CHROMIUM
     'unit_test': False,
     'client_test': False,
     'extension': "CHROMIUM_texture_mailbox",
     'chromium': True,
     'trace_level': 2,
   },
   'CopyBufferSubData': {
     'unsafe': True,
   },
+  'CoverageModulationCHROMIUM': {
+    'type': 'StateSet',
+    'state': 'CoverageModulationCHROMIUM',
+    'decoder_func': 'glCoverageModulationNV',
+    'chromium': True,
+    'extension': 'CHROMIUM_framebuffer_mixed_samples',
+    'extension_flag': 'chromium_framebuffer_mixed_samples',
+  },
   'CreateAndConsumeTextureCHROMIUM': {
     'decoder_func': 'DoCreateAndConsumeTextureCHROMIUM',
     'impl_func': False,
     'type': 'HandWritten',
     'data_transfer_methods': ['immediate'],
     'unit_test': False,
     'client_test': False,
     'extension': "CHROMIUM_texture_mailbox",
     'chromium': True,
     'trace_level': 2,
@@ skipping 8977 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:]))