ppb_graphics_3d_proxy.h revision 868fa2fe829687343ffae624259930155e16dbd8 
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_PPB_GRAPHICS_3D_PROXY_H_
6#define PPAPI_PROXY_PPB_GRAPHICS_3D_PROXY_H_
7
8#include <vector>
9
10#include "base/shared_memory.h"
11#include "gpu/command_buffer/common/command_buffer.h"
12#include "ppapi/c/pp_graphics_3d.h"
13#include "ppapi/c/pp_instance.h"
14#include "ppapi/proxy/interface_proxy.h"
15#include "ppapi/proxy/proxy_completion_callback_factory.h"
16#include "ppapi/shared_impl/ppb_graphics_3d_shared.h"
17#include "ppapi/shared_impl/resource.h"
18#include "ppapi/utility/completion_callback_factory.h"
19
20namespace ppapi {
21
22class HostResource;
23
24namespace proxy {
25
26class SerializedHandle;
27
28class Graphics3D : public PPB_Graphics3D_Shared {
29 public:
30  explicit Graphics3D(const HostResource& resource);
31  virtual ~Graphics3D();
32
33  bool Init(gpu::gles2::GLES2Implementation* share_gles2);
34
35  // Graphics3DTrusted API. These are not implemented in the proxy.
36  virtual PP_Bool SetGetBuffer(int32_t shm_id) OVERRIDE;
37  virtual gpu::CommandBuffer::State GetState() OVERRIDE;
38  virtual PP_Bool Flush(int32_t put_offset) OVERRIDE;
39  virtual gpu::CommandBuffer::State FlushSync(int32_t put_offset) OVERRIDE;
40  virtual int32_t CreateTransferBuffer(uint32_t size) OVERRIDE;
41  virtual PP_Bool DestroyTransferBuffer(int32_t id) OVERRIDE;
42  virtual PP_Bool GetTransferBuffer(int32_t id,
43                                    int* shm_handle,
44                                    uint32_t* shm_size) OVERRIDE;
45  virtual gpu::CommandBuffer::State FlushSyncFast(
46      int32_t put_offset,
47      int32_t last_known_get) OVERRIDE;
48  virtual uint32_t InsertSyncPoint() OVERRIDE;
49
50 private:
51  class LockingCommandBuffer;
52
53  // PPB_Graphics3D_Shared overrides.
54  virtual gpu::CommandBuffer* GetCommandBuffer() OVERRIDE;
55  virtual int32 DoSwapBuffers() OVERRIDE;
56  virtual void PushAlreadyLocked() OVERRIDE;
57  virtual void PopAlreadyLocked() OVERRIDE;
58
59  int num_already_locked_calls_;
60  scoped_ptr<gpu::CommandBuffer> command_buffer_;
61  scoped_ptr<LockingCommandBuffer> locking_command_buffer_;
62
63  DISALLOW_COPY_AND_ASSIGN(Graphics3D);
64};
65
66class PPB_Graphics3D_Proxy : public InterfaceProxy {
67 public:
68  PPB_Graphics3D_Proxy(Dispatcher* dispatcher);
69  virtual ~PPB_Graphics3D_Proxy();
70
71  static PP_Resource CreateProxyResource(
72      PP_Instance instance,
73      PP_Resource share_context,
74      const int32_t* attrib_list);
75
76  // InterfaceProxy implementation.
77  virtual bool OnMessageReceived(const IPC::Message& msg);
78
79  static const ApiID kApiID = API_ID_PPB_GRAPHICS_3D;
80
81 private:
82  void OnMsgCreate(PP_Instance instance,
83                   HostResource share_context,
84                   const std::vector<int32_t>& attribs,
85                   HostResource* result);
86  void OnMsgSetGetBuffer(const HostResource& context,
87                         int32 id);
88  void OnMsgGetState(const HostResource& context,
89                     gpu::CommandBuffer::State* state,
90                     bool* success);
91  void OnMsgFlush(const HostResource& context,
92                  int32 put_offset,
93                  int32 last_known_get,
94                  gpu::CommandBuffer::State* state,
95                  bool* success);
96  void OnMsgAsyncFlush(const HostResource& context,
97                       int32 put_offset);
98  void OnMsgCreateTransferBuffer(const HostResource& context,
99                                 uint32 size,
100                                 int32* id);
101  void OnMsgDestroyTransferBuffer(const HostResource& context,
102                                  int32 id);
103  void OnMsgGetTransferBuffer(const HostResource& context,
104                              int32 id,
105                              ppapi::proxy::SerializedHandle* transfer_buffer);
106  void OnMsgSwapBuffers(const HostResource& context);
107  void OnMsgInsertSyncPoint(const HostResource& context, uint32* sync_point);
108  // Renderer->plugin message handlers.
109  void OnMsgSwapBuffersACK(const HostResource& context,
110                           int32_t pp_error);
111
112  void SendSwapBuffersACKToPlugin(int32_t result,
113                                  const HostResource& context);
114
115  ProxyCompletionCallbackFactory<PPB_Graphics3D_Proxy> callback_factory_;
116
117  DISALLOW_COPY_AND_ASSIGN(PPB_Graphics3D_Proxy);
118};
119
120}  // namespace proxy
121}  // namespace ppapi
122
123#endif  // PPAPI_PROXY_PPB_GRAPHICS_3D_PROXY_H_
124
125