command_buffer: Implement glGetStringi for GL ES 3.0

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 1434 matching lines @@
     'type': 'GLenum',
     'is_complete': True,
     'valid': [
       'GL_VENDOR',
       'GL_RENDERER',
       'GL_VERSION',
       'GL_SHADING_LANGUAGE_VERSION',
       'GL_EXTENSIONS',
     ],
   },
+  'IndexedStringType': {
+    'type': 'GLenum',
+    'is_complete': True,
+    'valid': [
+      'GL_EXTENSIONS',
+    ],
+  },
+
   'TextureParameter': {
     'type': 'GLenum',
     'valid': [
       'GL_TEXTURE_MAG_FILTER',
       'GL_TEXTURE_MIN_FILTER',
       'GL_TEXTURE_WRAP_S',
       'GL_TEXTURE_WRAP_T',
     ],
     'valid_es3': [
       'GL_TEXTURE_BASE_LEVEL',
@@ skipping 1758 matching lines @@
     'get_len_func': 'DoGetShaderiv',
     'get_len_enum': 'GL_SHADER_SOURCE_LENGTH',
     'unit_test': False,
     'client_test': False,
   },
   'GetString': {
     'type': 'Custom',
     'client_test': False,
     'cmd_args': 'GLenumStringType name, uint32_t bucket_id',
   },
+  'GetStringi': {
+    'type': 'Custom',
+    'client_test': False,
+    'gen_cmd': False,
+    'unsafe': True,
+  },
   'GetSynciv': {
     'type': 'GETn',
     'cmd_args': 'GLuint sync, GLenumSyncParameter pname, void* values',
     'result': ['SizedResult<GLint>'],
     'id_mapping': ['Sync'],
     'unsafe': True,
   },
   'GetTexParameterfv': {
     'type': 'GETn',
     'decoder_func': 'DoGetTexParameterfv',
@@ skipping 8285 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:]))