ppapi_command_buffer_proxy.h revision 5d1f7b1de12d16ceb2c938c56701a3e8bfa558f7 
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 PPAPI_PROXY_COMMAND_BUFFER_PROXY_H_
6#define PPAPI_PROXY_COMMAND_BUFFER_PROXY_H_
7
8#include "base/callback.h"
9#include "base/containers/hash_tables.h"
10#include "gpu/command_buffer/common/command_buffer.h"
11#include "gpu/command_buffer/common/gpu_control.h"
12#include "ppapi/proxy/ppapi_proxy_export.h"
13#include "ppapi/shared_impl/host_resource.h"
14
15namespace IPC {
16class Message;
17}
18
19namespace ppapi {
20namespace proxy {
21
22class ProxyChannel;
23
24class PPAPI_PROXY_EXPORT PpapiCommandBufferProxy : public gpu::CommandBuffer,
25                                                   public gpu::GpuControl {
26 public:
27  PpapiCommandBufferProxy(const HostResource& resource,
28                          ProxyChannel* channel);
29  virtual ~PpapiCommandBufferProxy();
30
31  // gpu::CommandBuffer implementation:
32  virtual bool Initialize() OVERRIDE;
33  virtual State GetState() OVERRIDE;
34  virtual State GetLastState() OVERRIDE;
35  virtual int32 GetLastToken() OVERRIDE;
36  virtual void Flush(int32 put_offset) OVERRIDE;
37  virtual State FlushSync(int32 put_offset, int32 last_known_get) OVERRIDE;
38  virtual void SetGetBuffer(int32 transfer_buffer_id) OVERRIDE;
39  virtual void SetGetOffset(int32 get_offset) OVERRIDE;
40  virtual gpu::Buffer CreateTransferBuffer(size_t size, int32* id) OVERRIDE;
41  virtual void DestroyTransferBuffer(int32 id) OVERRIDE;
42  virtual gpu::Buffer GetTransferBuffer(int32 id) OVERRIDE;
43  virtual void SetToken(int32 token) OVERRIDE;
44  virtual void SetParseError(gpu::error::Error error) OVERRIDE;
45  virtual void SetContextLostReason(gpu::error::ContextLostReason reason)
46      OVERRIDE;
47
48  // gpu::GpuControl implementation:
49  virtual gpu::Capabilities GetCapabilities() OVERRIDE;
50  virtual gfx::GpuMemoryBuffer* CreateGpuMemoryBuffer(
51      size_t width,
52      size_t height,
53      unsigned internalformat,
54      int32* id) OVERRIDE;
55  virtual void DestroyGpuMemoryBuffer(int32 id) OVERRIDE;
56  virtual uint32 InsertSyncPoint() OVERRIDE;
57  virtual void SignalSyncPoint(uint32 sync_point,
58                               const base::Closure& callback) OVERRIDE;
59  virtual void SignalQuery(uint32 query,
60                           const base::Closure& callback) OVERRIDE;
61  virtual void SetSurfaceVisible(bool visible) OVERRIDE;
62  virtual void SendManagedMemoryStats(const gpu::ManagedMemoryStats& stats)
63      OVERRIDE;
64  virtual void Echo(const base::Closure& callback) OVERRIDE;
65  virtual uint32 CreateStreamTexture(uint32 texture_id) OVERRIDE;
66
67 private:
68  bool Send(IPC::Message* msg);
69  void UpdateState(const gpu::CommandBuffer::State& state, bool success);
70
71  typedef base::hash_map<int32, gpu::Buffer> TransferBufferMap;
72  TransferBufferMap transfer_buffers_;
73
74  State last_state_;
75
76  HostResource resource_;
77  ProxyChannel* channel_;
78
79  base::Closure channel_error_callback_;
80
81  DISALLOW_COPY_AND_ASSIGN(PpapiCommandBufferProxy);
82};
83
84}  // namespace proxy
85}  // namespace ppapi
86
87#endif // PPAPI_PROXY_COMMAND_BUFFER_PROXY_H_
88