Exposed support for dynamically enabling extensions in command buffer...

gpu/command_buffer/build_gles2_cmd_buffer.py

 #!/usr/bin/python
 #
 # Copyright (c) 2006-2009 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
@@ skipping 191 matching lines @@
 GL_APICALL void         GL_APIENTRY glGenSharedIdsCHROMIUM (GLuint namespace_id, GLuint id_offset, GLsizeiNotNegative n, GLuint* ids);
 GL_APICALL void         GL_APIENTRY glDeleteSharedIdsCHROMIUM (GLuint namespace_id, GLsizeiNotNegative n, const GLuint* ids);
 GL_APICALL void         GL_APIENTRY glRegisterSharedIdsCHROMIUM (GLuint namespace_id, GLsizeiNotNegative n, const GLuint* ids);
 GL_APICALL GLboolean    GL_APIENTRY glCommandBufferEnableCHROMIUM (const char* feature);
 GL_APICALL void*        GL_APIENTRY glMapBufferSubDataCHROMIUM (GLuint target, GLintptrNotNegative offset, GLsizeiptr size, GLenum access);
 GL_APICALL void         GL_APIENTRY glUnmapBufferSubDataCHROMIUM (const void* mem);
 GL_APICALL void*        GL_APIENTRY glMapTexSubImage2DCHROMIUM (GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLenum type, GLenum access);
 GL_APICALL void         GL_APIENTRY glUnmapTexSubImage2DCHROMIUM (const void* mem);
 GL_APICALL void         GL_APIENTRY glCopyTextureToParentTextureCHROMIUM (GLidBindTexture client_child_id, GLidBindTexture client_parent_id);
 GL_APICALL void         GL_APIENTRY glResizeCHROMIUM (GLuint width, GLuint height);
+GL_APICALL const GLchar* GL_APIENTRY glGetRequestableExtensionsCHROMIUM (void);
+GL_APICALL void         GL_APIENTRY glRequestExtensionCHROMIUM (const char* extension);
 """
 
 # This is the list of all commmands that will be generated and their Id.
 # If a command is not listed in this table it is an error.
 # This lets us make sure that command ids do not change as the generator
 # generates new variations of commands.
 
 _CMD_ID_TABLE = {
   'ActiveTexture':                                             256,
   'AttachShader':                                              257,
@@ skipping 181 matching lines @@
   'GenSharedIdsCHROMIUM':                                      439,
   'DeleteSharedIdsCHROMIUM':                                   440,
   'RegisterSharedIdsCHROMIUM':                                 441,
   'CommandBufferEnableCHROMIUM':                               442,
   'CompressedTexImage2DBucket':                                443,
   'CompressedTexSubImage2DBucket':                             444,
   'RenderbufferStorageMultisampleEXT':                         445,
   'BlitFramebufferEXT':                                        446,
   'CopyTextureToParentTextureCHROMIUM':                        447,
   'ResizeCHROMIUM':                                            448,
+  'GetRequestableExtensionsCHROMIUM':                          449,
+  'RequestExtensionCHROMIUM':                                  450,
 }
 
 # This is a list of enum names and their valid values. It is used to map
 # GLenum arguments to a specific set of valid values.
 _ENUM_LISTS = {
   'BlitFilter': {
     'type': 'GLenum',
     'valid': [
       'GL_NEAREST',
       'GL_LINEAR',
@@ skipping 1149 matching lines @@
       'unit_test': False,
       'extension': True,
       'chromium': True,
   },
   'ResizeCHROMIUM': {
       'decoder_func': 'DoResizeCHROMIUM',
       'unit_test': False,
       'extension': True,
       'chromium': True,
   },
+  'GetRequestableExtensionsCHROMIUM': {
+    'type': 'Custom',
+    'impl_func': False,
+    'immediate': False,
+    'cmd_args': 'uint32 bucket_id',
+    'extension': True,
+    'chromium': True,
+  },
+  'RequestExtensionCHROMIUM': {
+    'type': 'Custom',
+    'impl_func': False,
+    'immediate': False,
+    'cmd_args': 'uint32 bucket_id',
+    'extension': True,
+    'chromium': True,
+  },
 }
 
 
 def SplitWords(input_string):
   """Transforms a input_string into a list of lower-case components.
 
   Args:
     input_string: the input string.
 
   Returns:
@@ skipping 3730 matching lines @@
 
     if options.generate_docs:
       gen.WriteDocs("docs/gles2_cmd_format_docs_autogen.h")
 
   if gen.errors > 0:
     print "%d errors" % gen.errors
     sys.exit(1)
 
 if __name__ == '__main__':
   main(sys.argv[1:])