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      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 
      9 namespace gles2 {
     10 
     11 // This is defined in gles2_c_lib_autogen.h
     12 extern "C" {
     13 extern 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 {
     19 static gpu::ThreadLocalKey g_gl_context_key;
     20 // }  // namespace anonymous
     21 
     22 void Initialize() {
     23   g_gl_context_key = gpu::ThreadLocalAlloc();
     24 }
     25 
     26 void Terminate() {
     27   gpu::ThreadLocalFree(g_gl_context_key);
     28   g_gl_context_key = 0;
     29 }
     30 
     31 gpu::gles2::GLES2Interface* GetGLContext() {
     32   return static_cast<gpu::gles2::GLES2Interface*>(
     33     gpu::ThreadLocalGetValue(g_gl_context_key));
     34 }
     35 
     36 void SetGLContext(gpu::gles2::GLES2Interface* context) {
     37   gpu::ThreadLocalSetValue(g_gl_context_key, context);
     38 }
     39 
     40 GLES2FunctionPointer 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 
     53 
     54 
     55 
     56