Adds support for the GL_ANGLE_texture_usage and GL_EXT_texture_storage

ui/gfx/gl/generate_bindings.py

 #!/usr/bin/env python
 # Copyright (c) 2011 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 GL/GLES extension wrangler."""
 
 import os
 import collections
 import re
@@ skipping 207 matching lines @@
 ['void', ['glTexImage2D'],
     'GLenum target, GLint level, GLint internalformat, GLsizei width, '
     'GLsizei height, GLint border, GLenum format, GLenum type, '
     'const void* pixels'],
 ['void', ['glTexParameterf'], 'GLenum target, GLenum pname, GLfloat param'],
 ['void', ['glTexParameterfv'],
     'GLenum target, GLenum pname, const GLfloat* params'],
 ['void', ['glTexParameteri'], 'GLenum target, GLenum pname, GLint param'],
 ['void', ['glTexParameteriv'],
     'GLenum target, GLenum pname, const GLint* params'],
+['void', ['glTexStorage2DEXT'],
+    'GLenum target, GLsizei levels, GLenum internalformat, '
+    'GLsizei width, GLsizei height'],
 ['void', ['glTexSubImage2D'],
     'GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, '
     'GLsizei height, GLenum format, GLenum type, const void* pixels'],
 ['void', ['glUniform1f'], 'GLint location, GLfloat x'],
 ['void', ['glUniform1fv'], 'GLint location, GLsizei count, const GLfloat* v'],
 ['void', ['glUniform1i'], 'GLint location, GLint x'],
 ['void', ['glUniform1iv'], 'GLint location, GLsizei count, const GLint* v'],
 ['void', ['glUniform2f'], 'GLint location, GLfloat x, GLfloat y'],
 ['void', ['glUniform2fv'], 'GLint location, GLsizei count, const GLfloat* v'],
 ['void', ['glUniform2i'], 'GLint location, GLint x, GLint y'],
@@ skipping 654 matching lines @@
     source_file.close()
 
   source_file = open(os.path.join(dir, 'gl_bindings_autogen_mock.cc'), 'wb')
   GenerateMockSource(source_file, GL_FUNCTIONS)
   source_file.close()
   return 0
 
 
 if __name__ == '__main__':
   sys.exit(main(sys.argv[1:]))