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