Add OpenGL occlusion query support to pepper.

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 os
 import os.path
 import sys
@@ skipping 743 matching lines @@
 
 # This table specifies the different pepper interfaces that are supported for
 # GL commands. 'dev' is true if it's a dev interface.
 _PEPPER_INTERFACES = [
   {'name': '', 'dev': False},
   {'name': 'InstancedArrays', 'dev': True},
   {'name': 'FramebufferBlit', 'dev': True},
   {'name': 'FramebufferMultisample', 'dev': True},
   {'name': 'ChromiumEnableFeature', 'dev': True},
   {'name': 'ChromiumMapSub', 'dev': True},
+  {'name': 'Query', 'dev': True},
 ]
 
 # This table specifies types and other special data for the commands that
 # will be generated.
 #
 # cmd_comment:  A comment added to the cmd format.
 # type:         defines which handler will be used to generate code.
 # decoder_func: defines which function to call in the decoder to execute the
 #               corresponding GL command. If not specified the GL command will
 #               be called directly.
@@ skipping 816 matching lines @@
     'extension': True,
     'unit_test': False,
     'pepper_interface': 'InstancedArrays',
   },
   'GenQueriesEXT': {
     'type': 'GENn',
     'gl_test_func': 'glGenQueriesARB',
     'resource_type': 'Query',
     'resource_types': 'Queries',
     'unit_test': False,
+    'pepper_interface': 'Query',
   },
   'DeleteQueriesEXT': {
     'type': 'DELn',
     'gl_test_func': 'glDeleteQueriesARB',
     'resource_type': 'Query',
     'resource_types': 'Queries',
     'unit_test': False,
+    'pepper_interface': 'Query',
   },
   'IsQueryEXT': {
     'gen_cmd': False,
     'client_test': False,
+    'pepper_interface': 'Query',
   },
   'BeginQueryEXT': {
     'type': 'Manual',
     'cmd_args': 'GLenumQueryTarget target, GLidQuery id, void* sync_data',
     'immediate': False,
     'gl_test_func': 'glBeginQuery',
+    'pepper_interface': 'Query',
   },
   'EndQueryEXT': {
     'type': 'Manual',
     'cmd_args': 'GLenumQueryTarget target, GLuint submit_count',
     'gl_test_func': 'glEndnQuery',
     'client_test': False,
+    'pepper_interface': 'Query',
   },
   'GetQueryivEXT': {
     'gen_cmd': False,
     'client_test': False,
     'gl_test_func': 'glGetQueryiv',
+    'pepper_interface': 'Query',
   },
   'GetQueryObjectuivEXT': {
     'gen_cmd': False,
     'client_test': False,
     'gl_test_func': 'glGetQueryObjectuiv',
+    'pepper_interface': 'Query',
   },
 }
 
 
 def SplitWords(input_string):
   """Transforms a input_string into a list of lower-case components.
 
   Args:
     input_string: the input string.
 
@@ skipping 3451 matching lines @@
     valid_args = self.GetInfo('valid_args')
     if valid_args and str(index) in valid_args:
       return valid_args[str(index)]
     return None
 
   def AddInfo(self, name, value):
     """Adds an info."""
     setattr(self.info, name, value)
 
   def IsCoreGLFunction(self):
-    return not self.GetInfo('extension')
+    return (not self.GetInfo('extension') and
+            not self.GetInfo('pepper_interface'))
 
   def InPepperInterface(self, interface):
     ext = self.GetInfo('pepper_interface')
     if not interface.GetName():
       return self.IsCoreGLFunction()
     return ext == interface.GetName()
 
   def InAnyPepperExtension(self):
     return self.IsCoreGLFunction() or self.GetInfo('pepper_interface')
 
@@ skipping 1081 matching lines @@
     gen.WriteCommonUtilsImpl("common/gles2_cmd_utils_implementation_autogen.h")
 
   if gen.errors > 0:
     print "%d errors" % gen.errors
     return 1
   return 0
 
 
 if __name__ == '__main__':
   sys.exit(main(sys.argv[1:]))