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_WGL_API_IMPLEMENTATION_H_
6#define UI_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
12namespace gfx {
13
14class GLContext;
15struct GLWindowSystemBindingInfo;
16
17void InitializeGLBindingsWGL();
18void InitializeGLExtensionBindingsWGL(GLContext* context);
19void InitializeDebugGLBindingsWGL();
20void ClearGLBindingsWGL();
21bool GetGLWindowSystemBindingInfoWGL(GLWindowSystemBindingInfo* info);
22
23class 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
38class 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.
46class 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_WGL_API_IMPLEMENTATION_H_
63
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66