Home | History | Annotate | Download | only in gl 
      1 // Copyright (c) 2012 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 "ui/gl/gl_wgl_api_implementation.h"
      6 #include "ui/gl/gl_implementation.h"
      7 
      8 namespace gfx {
      9 
     10 RealWGLApi* g_real_wgl;
     11 
     12 void InitializeGLBindingsWGL() {
     13   g_driver_wgl.InitializeBindings();
     14   if (!g_real_wgl) {
     15     g_real_wgl = new RealWGLApi();
     16   }
     17   g_real_wgl->Initialize(&g_driver_wgl);
     18   g_current_wgl_context = g_real_wgl;
     19 }
     20 
     21 void InitializeGLExtensionBindingsWGL(GLContext* context) {
     22   g_driver_wgl.InitializeExtensionBindings(context);
     23 }
     24 
     25 void InitializeDebugGLBindingsWGL() {
     26   g_driver_wgl.InitializeDebugBindings();
     27 }
     28 
     29 void ClearGLBindingsWGL() {
     30   if (g_real_wgl) {
     31     delete g_real_wgl;
     32     g_real_wgl = NULL;
     33   }
     34   g_current_wgl_context = NULL;
     35   g_driver_wgl.ClearBindings();
     36 }
     37 
     38 WGLApi::WGLApi() {
     39 }
     40 
     41 WGLApi::~WGLApi() {
     42 }
     43 
     44 WGLApiBase::WGLApiBase()
     45     : driver_(NULL) {
     46 }
     47 
     48 WGLApiBase::~WGLApiBase() {
     49 }
     50 
     51 void WGLApiBase::InitializeBase(DriverWGL* driver) {
     52   driver_ = driver;
     53 }
     54 
     55 RealWGLApi::RealWGLApi() {
     56 }
     57 
     58 RealWGLApi::~RealWGLApi() {
     59 }
     60 
     61 void RealWGLApi::Initialize(DriverWGL* driver) {
     62   InitializeBase(driver);
     63 }
     64 
     65 TraceWGLApi::~TraceWGLApi() {
     66 }
     67 
     68 bool GetGLWindowSystemBindingInfoWGL(GLWindowSystemBindingInfo* info) {
     69   const char* extensions = wglGetExtensionsStringEXT();
     70   *info = GLWindowSystemBindingInfo();
     71   if (extensions)
     72     info->extensions = extensions;
     73   return true;
     74 }
     75 
     76 }  // namespace gfx
     77 
     78 
     79