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_ 76
