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 GPU_COMMAND_BUFFER_SERVICE_TRANSFER_BUFFER_MANAGER_H_ 6#define GPU_COMMAND_BUFFER_SERVICE_TRANSFER_BUFFER_MANAGER_H_ 7 8#include <set> 9#include <vector> 10 11#include "base/basictypes.h" 12#include "base/compiler_specific.h" 13#include "base/containers/hash_tables.h" 14#include "base/memory/shared_memory.h" 15#include "gpu/command_buffer/common/command_buffer_shared.h" 16 17namespace gpu { 18 19class GPU_EXPORT TransferBufferManagerInterface { 20 public: 21 virtual ~TransferBufferManagerInterface(); 22 23 virtual bool RegisterTransferBuffer(int32 id, 24 base::SharedMemory* shared_memory, 25 size_t size) = 0; 26 virtual void DestroyTransferBuffer(int32 id) = 0; 27 virtual Buffer GetTransferBuffer(int32 id) = 0; 28 29}; 30 31class GPU_EXPORT TransferBufferManager 32 : public TransferBufferManagerInterface { 33 public: 34 TransferBufferManager(); 35 36 bool Initialize(); 37 virtual bool RegisterTransferBuffer(int32 id, 38 base::SharedMemory* shared_memory, 39 size_t size) OVERRIDE; 40 virtual void DestroyTransferBuffer(int32 id) OVERRIDE; 41 virtual Buffer GetTransferBuffer(int32 id) OVERRIDE; 42 43 private: 44 virtual ~TransferBufferManager(); 45 46 typedef base::hash_map<int32, Buffer> BufferMap; 47 BufferMap registered_buffers_; 48 size_t shared_memory_bytes_allocated_; 49 50 DISALLOW_COPY_AND_ASSIGN(TransferBufferManager); 51}; 52 53} // namespace gpu 54 55#endif // GPU_COMMAND_BUFFER_SERVICE_TRANSFER_BUFFER_MANAGER_H_ 56