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/command_buffer/common/gpu_control.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 gpu::CommandBuffer,
  25                                                    public gpu::GpuControl {
  26  public:
  27   PpapiCommandBufferProxy(const HostResource& resource,
  28                           ProxyChannel* channel);
  29   virtual ~PpapiCommandBufferProxy();
  30
  31   // gpu::CommandBuffer implementation:
  32   virtual bool Initialize() OVERRIDE;
  33   virtual State GetState() OVERRIDE;
  34   virtual State GetLastState() OVERRIDE;
  35   virtual int32 GetLastToken() OVERRIDE;
  36   virtual void Flush(int32 put_offset) OVERRIDE;
  37   virtual State FlushSync(int32 put_offset, int32 last_known_get) OVERRIDE;
  38   virtual void SetGetBuffer(int32 transfer_buffer_id) OVERRIDE;
  39   virtual void SetGetOffset(int32 get_offset) OVERRIDE;
  40   virtual gpu::Buffer CreateTransferBuffer(size_t size, int32* id) OVERRIDE;
  41   virtual void DestroyTransferBuffer(int32 id) OVERRIDE;
  42   virtual gpu::Buffer GetTransferBuffer(int32 id) OVERRIDE;
  43   virtual void SetToken(int32 token) OVERRIDE;
  44   virtual void SetParseError(gpu::error::Error error) OVERRIDE;
  45   virtual void SetContextLostReason(gpu::error::ContextLostReason reason)
  46       OVERRIDE;
  47
  48   // gpu::GpuControl implementation:
  49   virtual gpu::Capabilities GetCapabilities() OVERRIDE;
  50   virtual gfx::GpuMemoryBuffer* CreateGpuMemoryBuffer(
  51       size_t width,
  52       size_t height,
  53       unsigned internalformat,
  54       int32* id) OVERRIDE;
  55   virtual void DestroyGpuMemoryBuffer(int32 id) OVERRIDE;
  56   virtual uint32 InsertSyncPoint() OVERRIDE;
  57   virtual void SignalSyncPoint(uint32 sync_point,
  58                                const base::Closure& callback) OVERRIDE;
  59   virtual void SignalQuery(uint32 query,
  60                            const base::Closure& callback) OVERRIDE;
  61   virtual void SetSurfaceVisible(bool visible) OVERRIDE;
  62   virtual void SendManagedMemoryStats(const gpu::ManagedMemoryStats& stats)
  63       OVERRIDE;
  64   virtual void Echo(const base::Closure& callback) OVERRIDE;
  65   virtual uint32 CreateStreamTexture(uint32 texture_id) OVERRIDE;
  66
  67  private:
  68   bool Send(IPC::Message* msg);
  69   void UpdateState(const gpu::CommandBuffer::State& state, bool success);
  70
  71   typedef base::hash_map<int32, gpu::Buffer> TransferBufferMap;
  72   TransferBufferMap transfer_buffers_;
  73
  74   State last_state_;
  75
  76   HostResource resource_;
  77   ProxyChannel* channel_;
  78
  79   base::Closure channel_error_callback_;
  80
  81   DISALLOW_COPY_AND_ASSIGN(PpapiCommandBufferProxy);
  82 };
  83
  84 }  // namespace proxy
  85 }  // namespace ppapi
  86
  87 #endif // PPAPI_PROXY_COMMAND_BUFFER_PROXY_H_