Added GLES3 Capabilities to the Command Buffer

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 64 matching lines @@
   {'name': 'blend'},
   {'name': 'cull_face'},
   {'name': 'depth_test', 'state_flag': 'framebuffer_state_.clear_state_dirty'},
   {'name': 'dither', 'default': True},
   {'name': 'polygon_offset_fill'},
   {'name': 'sample_alpha_to_coverage'},
   {'name': 'sample_coverage'},
   {'name': 'scissor_test'},
   {'name': 'stencil_test',
    'state_flag': 'framebuffer_state_.clear_state_dirty'},
+  {'name': 'primitive_restart_fixed_index', 'es3': True},
+  {'name': 'rasterizer_discard', 'es3': True},
 ]
 
 _STATES = {
   'ClearColor': {
     'type': 'Normal',
     'func': 'ClearColor',
     'enum': 'GL_COLOR_CLEAR_VALUE',
     'states': [
       {'name': 'color_clear_red', 'type': 'GLfloat', 'default': '0.0f'},
       {'name': 'color_clear_green', 'type': 'GLfloat', 'default': '0.0f'},
@@ skipping 776 matching lines @@
       'GL_DST_ALPHA',
       'GL_ONE_MINUS_DST_ALPHA',
       'GL_CONSTANT_COLOR',
       'GL_ONE_MINUS_CONSTANT_COLOR',
       'GL_CONSTANT_ALPHA',
       'GL_ONE_MINUS_CONSTANT_ALPHA',
     ],
   },
   'Capability': {
     'type': 'GLenum',
-    'valid': ["GL_%s" % cap['name'].upper() for cap in _CAPABILITY_FLAGS],
+    'valid': ["GL_%s" % cap['name'].upper() for cap in _CAPABILITY_FLAGS
+        if 'es3' not in cap or cap['es3'] != True],
+    'valid_es3': ["GL_%s" % cap['name'].upper() for cap in _CAPABILITY_FLAGS
+        if 'es3' in cap and cap['es3'] == True],
     'invalid': [
       'GL_CLIP_PLANE0',
       'GL_POINT_SPRITE',
     ],
   },
   'DrawMode': {
     'type': 'GLenum',
     'valid': [
       'GL_POINTS',
       'GL_LINE_STRIP',
@@ skipping 8439 matching lines @@
           else:
             file.Write("  cached_%s = %s;\n" % (item['name'], item['default']))
     file.Write("}\n")
 
     file.Write("""
 void ContextState::InitCapabilities(const ContextState* prev_state) const {
 """)
     def WriteCapabilities(test_prev):
       for capability in _CAPABILITY_FLAGS:
         capability_name = capability['name']
+        capability_es3 = 'es3' in capability and capability['es3'] == True
+        es3_test = 'feature_info_->IsES3Capable() && ' if capability_es3 else ''
         if test_prev:
-          file.Write("""  if (prev_state->enable_flags.cached_%s !=
-                              enable_flags.cached_%s)\n""" %
-                     (capability_name, capability_name))
+          file.Write("""  if (%sprev_state->enable_flags.cached_%s !=
+                            enable_flags.cached_%s)\n""" %
+                   (es3_test, capability_name, capability_name))
+        elif capability_es3:
+          file.Write("  if (feature_info_->IsES3Capable())\n")
         file.Write("    EnableDisable(GL_%s, enable_flags.cached_%s);\n" %
                    (capability_name.upper(), capability_name))
 
     file.Write("  if (prev_state) {")
     WriteCapabilities(True)
     file.Write("  } else {")
     WriteCapabilities(False)
     file.Write("  }")
 
     file.Write("""}
@@ skipping 936 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:]))