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/hash_tables.h"
  10 #include "gpu/command_buffer/common/command_buffer.h"
  11 #include "ppapi/proxy/ppapi_proxy_export.h"
  12 #include "ppapi/shared_impl/host_resource.h"
  13 #include "gpu/ipc/command_buffer_proxy.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 SetParent(CommandBufferProxy* parent_command_buffer,
  36                          uint32 parent_texture_id) OVERRIDE;
  37   virtual void SetChannelErrorCallback(const base::Closure& callback) OVERRIDE;
  38
  39   // gpu::CommandBuffer implementation:
  40   virtual bool Initialize();
  41   virtual State GetState();
  42   virtual State GetLastState();
  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
  54  private:
  55   bool Send(IPC::Message* msg);
  56   void UpdateState(const gpu::CommandBuffer::State& state, bool success);
  57
  58   typedef base::hash_map<int32, gpu::Buffer> TransferBufferMap;
  59   TransferBufferMap transfer_buffers_;
  60
  61   State last_state_;
  62
  63   HostResource resource_;
  64   ProxyChannel* channel_;
  65
  66   base::Closure channel_error_callback_;
  67
  68   DISALLOW_COPY_AND_ASSIGN(PpapiCommandBufferProxy);
  69 };
  70
  71 }  // namespace proxy
  72 }  // namespace ppapi
  73
  74 #endif // PPAPI_PROXY_COMMAND_BUFFER_PROXY_H_