1// Copyright (c) 2009 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#include "gpu/command_buffer/client/gles2_lib.h"
6#include <string.h>
7#include "gpu/command_buffer/common/thread_local.h"
8
9namespace gles2 {
10
11// This is defined in gles2_c_lib_autogen.h
12extern "C" {
13extern const NameToFunc g_gles2_function_table[];
14}
15
16// TODO(kbr): the use of this anonymous namespace core dumps the
17// linker on Mac OS X 10.6 when the symbol ordering file is used
18// namespace {
19static gpu::ThreadLocalKey g_gl_context_key;
20// }  // namespace anonymous
21
22void Initialize() {
23  g_gl_context_key = gpu::ThreadLocalAlloc();
24}
25
26void Terminate() {
27  gpu::ThreadLocalFree(g_gl_context_key);
28  g_gl_context_key = 0;
29}
30
31gpu::gles2::GLES2Interface* GetGLContext() {
32  return static_cast<gpu::gles2::GLES2Interface*>(
33    gpu::ThreadLocalGetValue(g_gl_context_key));
34}
35
36void SetGLContext(gpu::gles2::GLES2Interface* context) {
37  gpu::ThreadLocalSetValue(g_gl_context_key, context);
38}
39
40GLES2FunctionPointer GetGLFunctionPointer(const char* name) {
41  for (const NameToFunc* named_function = g_gles2_function_table;
42       named_function->name;
43       ++named_function) {
44    if (!strcmp(name, named_function->name)) {
45      return named_function->func;
46    }
47  }
48  return NULL;
49}
50
51}  // namespace gles2
52
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56