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 InitializeStaticGLBindingsWGL() { 13 g_driver_wgl.InitializeStaticBindings(); 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 InitializeDynamicGLBindingsWGL(GLContext* context) { 22 g_driver_wgl.InitializeDynamicBindings(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