ppapi/proxy/ppb_graphics_3d_proxy.h

   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/proxy/serialized_structs.h"
  17 #include "ppapi/shared_impl/ppb_graphics_3d_shared.h"
  18 #include "ppapi/shared_impl/resource.h"
  19 #include "ppapi/utility/completion_callback_factory.h"
  20
  21 namespace ppapi {
  22
  23 class HostResource;
  24
  25 namespace proxy {
  26
  27 class Graphics3D : public PPB_Graphics3D_Shared {
  28  public:
  29   explicit Graphics3D(const HostResource& resource);
  30   virtual ~Graphics3D();
  31
  32   bool Init(gpu::gles2::GLES2Implementation* share_gles2);
  33
  34   // Graphics3DTrusted API. These are not implemented in the proxy.
  35   virtual PP_Bool InitCommandBuffer() OVERRIDE;
  36   virtual PP_Bool SetGetBuffer(int32_t shm_id) OVERRIDE;
  37   virtual PP_Graphics3DTrustedState GetState() OVERRIDE;
  38   virtual PP_Bool Flush(int32_t put_offset) OVERRIDE;
  39   virtual PP_Graphics3DTrustedState 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 PP_Graphics3DTrustedState FlushSyncFast(
  46       int32_t put_offset,
  47       int32_t last_known_get) OVERRIDE;
  48
  49  private:
  50   class LockingCommandBuffer;
  51
  52   // PPB_Graphics3D_Shared overrides.
  53   virtual gpu::CommandBuffer* GetCommandBuffer() OVERRIDE;
  54   virtual int32 DoSwapBuffers() OVERRIDE;
  55   virtual void PushAlreadyLocked() OVERRIDE;
  56   virtual void PopAlreadyLocked() OVERRIDE;
  57
  58   int num_already_locked_calls_;
  59   scoped_ptr<gpu::CommandBuffer> command_buffer_;
  60   scoped_ptr<LockingCommandBuffer> locking_command_buffer_;
  61
  62   DISALLOW_COPY_AND_ASSIGN(Graphics3D);
  63 };
  64
  65 class PPB_Graphics3D_Proxy : public InterfaceProxy {
  66  public:
  67   PPB_Graphics3D_Proxy(Dispatcher* dispatcher);
  68   virtual ~PPB_Graphics3D_Proxy();
  69
  70   static PP_Resource CreateProxyResource(
  71       PP_Instance instance,
  72       PP_Resource share_context,
  73       const int32_t* attrib_list);
  74
  75   // InterfaceProxy implementation.
  76   virtual bool OnMessageReceived(const IPC::Message& msg);
  77
  78   static const ApiID kApiID = API_ID_PPB_GRAPHICS_3D;
  79
  80  private:
  81   void OnMsgCreate(PP_Instance instance,
  82                    HostResource share_context,
  83                    const std::vector<int32_t>& attribs,
  84                    HostResource* result);
  85   void OnMsgInitCommandBuffer(const HostResource& context);
  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   // Renderer->plugin message handlers.
 108   void OnMsgSwapBuffersACK(const HostResource& context,
 109                            int32_t pp_error);
 110
 111   void SendSwapBuffersACKToPlugin(int32_t result,
 112                                   const HostResource& context);
 113
 114   ProxyCompletionCallbackFactory<PPB_Graphics3D_Proxy> callback_factory_;
 115
 116   DISALLOW_COPY_AND_ASSIGN(PPB_Graphics3D_Proxy);
 117 };
 118
 119 }  // namespace proxy
 120 }  // namespace ppapi
 121
 122 #endif  // PPAPI_PROXY_PPB_GRAPHICS_3D_PROXY_H_
 123