Fine tuning glGetInternalformativ.

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 2707 matching lines @@
     'client_test': False,
     'unsafe': True
   },
   'GetIntegeri_v': {
     'type': 'GETn',
     'result': ['SizedResult<GLint>'],
     'client_test': False,
     'unsafe': True
   },
   'GetInternalformativ': {
-    'type': 'GETn',
+    'type': 'Custom',
+    'data_transfer_methods': ['shm'],
     'result': ['SizedResult<GLint>'],
+    'cmd_args':
+        'GLenumRenderBufferTarget target, GLenumRenderBufferFormat format, '
+        'GLenumInternalFormatParameter pname, GLint* params',
     'unsafe': True,
   },
   'GetMaxValueInBufferCHROMIUM': {
     'type': 'Is',
     'decoder_func': 'DoGetMaxValueInBufferCHROMIUM',
     'result': ['GLuint'],
     'unit_test': False,
     'client_test': False,
     'extension': True,
     'chromium': True,
@@ skipping 3629 matching lines @@
     if not shadowed:
       file.Write('  LOCAL_COPY_REAL_GL_ERRORS_TO_WRAPPER("%s");\n' % func.name)
     file.Write(code)
     func.WriteHandlerImplementation(file)
     if shadowed:
       code = """  result->SetNumResults(num_values);
   return error::kNoError;
 }
 """
     else:
-     code = """  GLenum error = glGetError();
+     code = """  GLenum error = LOCAL_PEEK_GL_ERROR("%(func_name)s");
   if (error == GL_NO_ERROR) {
     result->SetNumResults(num_values);
-  } else {
-    LOCAL_SET_GL_ERROR(error, "%(func_name)s", "");
   }
   return error::kNoError;
 }
 
 """
     file.Write(code % {'func_name': func.name})
 
   def WriteGLES2Implementation(self, func, file):
     """Overrriden from TypeHandler."""
     impl_decl = func.GetInfo('impl_decl')
@@ skipping 4677 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:]))