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 InitializeDebugGLBindingsGLX() {
  22   g_driver_glx.InitializeDebugBindings();
  23 }
  24
  25 void ClearGLBindingsGLX() {
  26   if (g_real_glx) {
  27     delete g_real_glx;
  28     g_real_glx = NULL;
  29   }
  30   g_current_glx_context = NULL;
  31   g_driver_glx.ClearBindings();
  32 }
  33
  34 GLXApi::GLXApi() {
  35 }
  36
  37 GLXApi::~GLXApi() {
  38 }
  39
  40 GLXApiBase::GLXApiBase()
  41     : driver_(NULL) {
  42 }
  43
  44 GLXApiBase::~GLXApiBase() {
  45 }
  46
  47 void GLXApiBase::InitializeBase(DriverGLX* driver) {
  48   driver_ = driver;
  49 }
  50
  51 RealGLXApi::RealGLXApi() {
  52 }
  53
  54 RealGLXApi::~RealGLXApi() {
  55 }
  56
  57 void RealGLXApi::Initialize(DriverGLX* driver) {
  58   InitializeBase(driver);
  59 }
  60
  61 TraceGLXApi::~TraceGLXApi() {
  62 }
  63
  64 bool GetGLWindowSystemBindingInfoGLX(GLWindowSystemBindingInfo* info) {
  65   Display* display = glXGetCurrentDisplay();
  66   const int kDefaultScreen = 0;
  67   const char* vendor =
  68       glXQueryServerString(display, kDefaultScreen, GLX_VENDOR);
  69   const char* version =
  70       glXQueryServerString(display, kDefaultScreen, GLX_VERSION);
  71   const char* extensions =
  72       glXQueryServerString(display, kDefaultScreen, GLX_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   info->direct_rendering = !!glXIsDirect(display, glXGetCurrentContext());
  81   return true;
  82 }
  83
  84 }  // namespace gfx
  85
  86