ppapi/proxy/ppapi_command_buffer_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_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
  15 namespace IPC {
  16 class Message;
  17 }
  18
  19 namespace ppapi {
  20 namespace proxy {
  21
  22 class ProxyChannel;
  23
  24 class 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_