ui/gl/gl_glx_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_glx_api_implementation.h"
   6 #include "ui/gl/gl_implementation.h"
   7
   8 namespace gfx {
   9
  10 RealGLXApi* g_real_glx;
  11
  12 void InitializeStaticGLBindingsGLX() {
  13   g_driver_glx.InitializeStaticBindings();
  14   if (!g_real_glx) {
  15     g_real_glx = new RealGLXApi();
  16   }
  17   g_real_glx->Initialize(&g_driver_glx);
  18   g_current_glx_context = g_real_glx;
  19 }
  20
  21 void InitializeDynamicGLBindingsGLX(GLContext* context) {
  22   g_driver_glx.InitializeDynamicBindings(context);
  23 }
  24
  25 void InitializeDebugGLBindingsGLX() {
  26   g_driver_glx.InitializeDebugBindings();
  27 }
  28
  29 void ClearGLBindingsGLX() {
  30   if (g_real_glx) {
  31     delete g_real_glx;
  32     g_real_glx = NULL;
  33   }
  34   g_current_glx_context = NULL;
  35   g_driver_glx.ClearBindings();
  36 }
  37
  38 GLXApi::GLXApi() {
  39 }
  40
  41 GLXApi::~GLXApi() {
  42 }
  43
  44 GLXApiBase::GLXApiBase()
  45     : driver_(NULL) {
  46 }
  47
  48 GLXApiBase::~GLXApiBase() {
  49 }
  50
  51 void GLXApiBase::InitializeBase(DriverGLX* driver) {
  52   driver_ = driver;
  53 }
  54
  55 RealGLXApi::RealGLXApi() {
  56 }
  57
  58 RealGLXApi::~RealGLXApi() {
  59 }
  60
  61 void RealGLXApi::Initialize(DriverGLX* driver) {
  62   InitializeBase(driver);
  63 }
  64
  65 TraceGLXApi::~TraceGLXApi() {
  66 }
  67
  68 bool GetGLWindowSystemBindingInfoGLX(GLWindowSystemBindingInfo* info) {
  69   Display* display = glXGetCurrentDisplay();
  70   const int kDefaultScreen = 0;
  71   const char* vendor =
  72       glXQueryServerString(display, kDefaultScreen, GLX_VENDOR);
  73   const char* version =
  74       glXQueryServerString(display, kDefaultScreen, GLX_VERSION);
  75   const char* extensions =
  76       glXQueryServerString(display, kDefaultScreen, GLX_EXTENSIONS);
  77   *info = GLWindowSystemBindingInfo();
  78   if (vendor)
  79     info->vendor = vendor;
  80   if (version)
  81     info->version = version;
  82   if (extensions)
  83     info->extensions = extensions;
  84   info->direct_rendering = !!glXIsDirect(display, glXGetCurrentContext());
  85   return true;
  86 }
  87
  88 }  // namespace gfx
  89
  90