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_SURFACE_CGL_H_
6#define UI_GL_GL_SURFACE_CGL_H_
7
8#include "ui/gfx/size.h"
9#include "ui/gl/gl_surface.h"
10
11namespace gfx {
12
13// Base class for CGL surfaces.
14class GLSurfaceCGL : public GLSurface {
15 public:
16  GLSurfaceCGL();
17
18  static bool InitializeOneOff();
19  static void* GetPixelFormat();
20
21 protected:
22  virtual ~GLSurfaceCGL();
23
24 private:
25  DISALLOW_COPY_AND_ASSIGN(GLSurfaceCGL);
26};
27
28// A "no-op" surface. It is not required that a CGLContextObj have an
29// associated drawable (pbuffer or fullscreen context) in order to be
30// made current. Everywhere this surface type is used, we allocate an
31// FBO at the user level as the drawable of the associated context.
32class GL_EXPORT NoOpGLSurfaceCGL : public GLSurfaceCGL {
33 public:
34  explicit NoOpGLSurfaceCGL(const gfx::Size& size);
35
36  // Implement GLSurface.
37  virtual bool Initialize() OVERRIDE;
38  virtual void Destroy() OVERRIDE;
39  virtual bool IsOffscreen() OVERRIDE;
40  virtual bool SwapBuffers() OVERRIDE;
41  virtual gfx::Size GetSize() OVERRIDE;
42  virtual void* GetHandle() OVERRIDE;
43  virtual void* GetDisplay() OVERRIDE;
44
45 protected:
46  virtual ~NoOpGLSurfaceCGL();
47
48 private:
49  gfx::Size size_;
50
51  DISALLOW_COPY_AND_ASSIGN(NoOpGLSurfaceCGL);
52};
53
54}  // namespace gfx
55
56#endif  // UI_GL_GL_SURFACE_CGL_H_
57