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 GPU_COMMAND_BUFFER_SERVICE_GL_CONTEXT_VIRTUAL_H_
6#define GPU_COMMAND_BUFFER_SERVICE_GL_CONTEXT_VIRTUAL_H_
7
8#include "base/compiler_specific.h"
9#include "base/memory/ref_counted.h"
10#include "base/memory/scoped_ptr.h"
11#include "base/memory/weak_ptr.h"
12#include "gpu/gpu_export.h"
13#include "ui/gl/gl_context.h"
14
15namespace gfx {
16class Display;
17class GLSurface;
18class GLStateRestorer;
19}
20
21namespace gpu {
22namespace gles2 {
23class GLES2Decoder;
24}
25
26// Encapsulates a virtual OpenGL context.
27class GPU_EXPORT GLContextVirtual : public gfx::GLContext {
28 public:
29  GLContextVirtual(
30      gfx::GLShareGroup* share_group,
31      gfx::GLContext* shared_context,
32      base::WeakPtr<gles2::GLES2Decoder> decoder);
33
34  gfx::Display* display();
35
36  // Implement GLContext.
37  virtual bool Initialize(
38      gfx::GLSurface* compatible_surface,
39      gfx::GpuPreference gpu_preference) OVERRIDE;
40  virtual void Destroy() OVERRIDE;
41  virtual bool MakeCurrent(gfx::GLSurface* surface) OVERRIDE;
42  virtual void ReleaseCurrent(gfx::GLSurface* surface) OVERRIDE;
43  virtual bool IsCurrent(gfx::GLSurface* surface) OVERRIDE;
44  virtual void* GetHandle() OVERRIDE;
45  virtual void SetSwapInterval(int interval) OVERRIDE;
46  virtual std::string GetExtensions() OVERRIDE;
47  virtual bool GetTotalGpuMemory(size_t* bytes) OVERRIDE;
48  virtual void SetSafeToForceGpuSwitch() OVERRIDE;
49  virtual bool WasAllocatedUsingRobustnessExtension() OVERRIDE;
50  virtual void SetUnbindFboOnMakeCurrent() OVERRIDE;
51
52 protected:
53  virtual ~GLContextVirtual();
54
55 private:
56  scoped_refptr<gfx::GLContext> shared_context_;
57  gfx::Display* display_;
58  base::WeakPtr<gles2::GLES2Decoder> decoder_;
59
60  DISALLOW_COPY_AND_ASSIGN(GLContextVirtual);
61};
62
63}  // namespace gpu
64
65#endif  // GPU_COMMAND_BUFFER_SERVICE_GL_CONTEXT_VIRTUAL_H_
66