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