ppapi_command_buffer_proxy.h revision 7d4cd473f85ac64c3747c96c277f9e506a0d2246 
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/ipc/command_buffer_proxy.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 CommandBufferProxy {
25 public:
26  PpapiCommandBufferProxy(const HostResource& resource,
27                          ProxyChannel* channel);
28  virtual ~PpapiCommandBufferProxy();
29
30  void ReportChannelError();
31
32  // CommandBufferProxy implementation:
33  virtual int GetRouteID() const OVERRIDE;
34  virtual bool Echo(const base::Closure& callback) OVERRIDE;
35  virtual bool ProduceFrontBuffer(const gpu::Mailbox& mailbox) OVERRIDE;
36  virtual void SetChannelErrorCallback(const base::Closure& callback) OVERRIDE;
37
38  // gpu::CommandBuffer implementation:
39  virtual bool Initialize();
40  virtual State GetState();
41  virtual State GetLastState();
42  virtual int32 GetLastToken();
43  virtual void Flush(int32 put_offset);
44  virtual State FlushSync(int32 put_offset, int32 last_known_get);
45  virtual void SetGetBuffer(int32 transfer_buffer_id);
46  virtual void SetGetOffset(int32 get_offset);
47  virtual gpu::Buffer CreateTransferBuffer(size_t size, int32* id);
48  virtual void DestroyTransferBuffer(int32 id);
49  virtual gpu::Buffer GetTransferBuffer(int32 id);
50  virtual void SetToken(int32 token);
51  virtual void SetParseError(gpu::error::Error error);
52  virtual void SetContextLostReason(gpu::error::ContextLostReason reason);
53  virtual uint32 InsertSyncPoint();
54
55 private:
56  bool Send(IPC::Message* msg);
57  void UpdateState(const gpu::CommandBuffer::State& state, bool success);
58
59  typedef base::hash_map<int32, gpu::Buffer> TransferBufferMap;
60  TransferBufferMap transfer_buffers_;
61
62  State last_state_;
63
64  HostResource resource_;
65  ProxyChannel* channel_;
66
67  base::Closure channel_error_callback_;
68
69  DISALLOW_COPY_AND_ASSIGN(PpapiCommandBufferProxy);
70};
71
72}  // namespace proxy
73}  // namespace ppapi
74
75#endif // PPAPI_PROXY_COMMAND_BUFFER_PROXY_H_
76