ui/gl/gl_wgl_api_implementation.h

   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 #ifndef UI_GL_GL_WGL_API_IMPLEMENTATION_H_
   6 #define UI_GL_GL_WGL_API_IMPLEMENTATION_H_
   7
   8 #include "base/compiler_specific.h"
   9 #include "ui/gl/gl_bindings.h"
  10 #include "ui/gl/gl_export.h"
  11
  12 namespace gfx {
  13
  14 class GLContext;
  15 struct GLWindowSystemBindingInfo;
  16
  17 void InitializeStaticGLBindingsWGL();
  18 void InitializeDynamicGLBindingsWGL(GLContext* context);
  19 void InitializeDebugGLBindingsWGL();
  20 void ClearGLBindingsWGL();
  21 bool GetGLWindowSystemBindingInfoWGL(GLWindowSystemBindingInfo* info);
  22
  23 class GL_EXPORT WGLApiBase : public WGLApi {
  24  public:
  25   // Include the auto-generated part of this class. We split this because
  26   // it means we can easily edit the non-auto generated parts right here in
  27   // this file instead of having to edit some template or the code generator.
  28   #include "gl_bindings_api_autogen_wgl.h"
  29
  30  protected:
  31   WGLApiBase();
  32   virtual ~WGLApiBase();
  33   void InitializeBase(DriverWGL* driver);
  34
  35   DriverWGL* driver_;
  36 };
  37
  38 class GL_EXPORT RealWGLApi : public WGLApiBase {
  39  public:
  40   RealWGLApi();
  41   virtual ~RealWGLApi();
  42   void Initialize(DriverWGL* driver);
  43 };
  44
  45 // Inserts a TRACE for every WGL call.
  46 class GL_EXPORT TraceWGLApi : public WGLApi {
  47  public:
  48   TraceWGLApi(WGLApi* wgl_api) : wgl_api_(wgl_api) { }
  49   virtual ~TraceWGLApi();
  50
  51   // Include the auto-generated part of this class. We split this because
  52   // it means we can easily edit the non-auto generated parts right here in
  53   // this file instead of having to edit some template or the code generator.
  54   #include "gl_bindings_api_autogen_wgl.h"
  55
  56  private:
  57   WGLApi* wgl_api_;
  58 };
  59
  60 }  // namespace gfx
  61
  62 #endif  // UI_GL_GL_WGL_API_IMPLEMENTATION_H_
  63
  64
  65