ui/gl/gl_egl_api_implementation.cc

   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_egl_api_implementation.h"
   6 #include "ui/gl/gl_implementation.h"
   7
   8 namespace gfx {
   9
  10 RealEGLApi* g_real_egl;
  11
  12 void InitializeStaticGLBindingsEGL() {
  13   g_driver_egl.InitializeStaticBindings();
  14   if (!g_real_egl) {
  15     g_real_egl = new RealEGLApi();
  16   }
  17   g_real_egl->Initialize(&g_driver_egl);
  18   g_current_egl_context = g_real_egl;
  19 }
  20
  21 void InitializeDynamicGLBindingsEGL(GLContext* context) {
  22   g_driver_egl.InitializeDynamicBindings(context);
  23 }
  24
  25 void InitializeDebugGLBindingsEGL() {
  26   g_driver_egl.InitializeDebugBindings();
  27 }
  28
  29 void ClearGLBindingsEGL() {
  30   if (g_real_egl) {
  31     delete g_real_egl;
  32     g_real_egl = NULL;
  33   }
  34   g_current_egl_context = NULL;
  35   g_driver_egl.ClearBindings();
  36 }
  37
  38 EGLApi::EGLApi() {
  39 }
  40
  41 EGLApi::~EGLApi() {
  42 }
  43
  44 EGLApiBase::EGLApiBase()
  45     : driver_(NULL) {
  46 }
  47
  48 EGLApiBase::~EGLApiBase() {
  49 }
  50
  51 void EGLApiBase::InitializeBase(DriverEGL* driver) {
  52   driver_ = driver;
  53 }
  54
  55 RealEGLApi::RealEGLApi() {
  56 }
  57
  58 RealEGLApi::~RealEGLApi() {
  59 }
  60
  61 void RealEGLApi::Initialize(DriverEGL* driver) {
  62   InitializeBase(driver);
  63 }
  64
  65 TraceEGLApi::~TraceEGLApi() {
  66 }
  67
  68 bool GetGLWindowSystemBindingInfoEGL(GLWindowSystemBindingInfo* info) {
  69   EGLDisplay display = eglGetCurrentDisplay();
  70   const char* vendor = eglQueryString(display, EGL_VENDOR);
  71   const char* version = eglQueryString(display, EGL_VERSION);
  72   const char* extensions = eglQueryString(display, EGL_EXTENSIONS);
  73   *info = GLWindowSystemBindingInfo();
  74   if (vendor)
  75     info->vendor = vendor;
  76   if (version)
  77     info->version = version;
  78   if (extensions)
  79     info->extensions = extensions;
  80   return true;
  81 }
  82
  83 }  // namespace gfx
  84
  85