src/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/client/gpu_control.h"
  11 #include "gpu/command_buffer/common/command_buffer.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 GetLastState() OVERRIDE;
  34   virtual int32 GetLastToken() OVERRIDE;
  35   virtual void Flush(int32 put_offset) OVERRIDE;
  36   virtual void WaitForTokenInRange(int32 start, int32 end) OVERRIDE;
  37   virtual void WaitForGetOffsetInRange(int32 start, int32 end) OVERRIDE;
  38   virtual void SetGetBuffer(int32 transfer_buffer_id) OVERRIDE;
  39   virtual scoped_refptr<gpu::Buffer> CreateTransferBuffer(size_t size,
  40                                                           int32* id) OVERRIDE;
  41   virtual void DestroyTransferBuffer(int32 id) OVERRIDE;
  42
  43   // gpu::GpuControl implementation:
  44   virtual gpu::Capabilities GetCapabilities() OVERRIDE;
  45   virtual gfx::GpuMemoryBuffer* CreateGpuMemoryBuffer(size_t width,
  46                                                       size_t height,
  47                                                       unsigned internalformat,
  48                                                       unsigned usage,
  49                                                       int32* id) OVERRIDE;
  50   virtual void DestroyGpuMemoryBuffer(int32 id) OVERRIDE;
  51   virtual uint32 InsertSyncPoint() OVERRIDE;
  52   virtual uint32 InsertFutureSyncPoint() OVERRIDE;
  53   virtual void RetireSyncPoint(uint32 sync_point) OVERRIDE;
  54   virtual void SignalSyncPoint(uint32 sync_point,
  55                                const base::Closure& callback) OVERRIDE;
  56   virtual void SignalQuery(uint32 query,
  57                            const base::Closure& callback) OVERRIDE;
  58   virtual void SetSurfaceVisible(bool visible) OVERRIDE;
  59   virtual void Echo(const base::Closure& callback) OVERRIDE;
  60   virtual uint32 CreateStreamTexture(uint32 texture_id) OVERRIDE;
  61
  62  private:
  63   bool Send(IPC::Message* msg);
  64   void UpdateState(const gpu::CommandBuffer::State& state, bool success);
  65
  66   State last_state_;
  67
  68   HostResource resource_;
  69   ProxyChannel* channel_;
  70
  71   base::Closure channel_error_callback_;
  72
  73   DISALLOW_COPY_AND_ASSIGN(PpapiCommandBufferProxy);
  74 };
  75
  76 }  // namespace proxy
  77 }  // namespace ppapi
  78
  79 #endif // PPAPI_PROXY_COMMAND_BUFFER_PROXY_H_