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 scoped_ptr<BufferBacking> buffer) = 0; 25 virtual void DestroyTransferBuffer(int32 id) = 0; 26 virtual scoped_refptr<Buffer> GetTransferBuffer(int32 id) = 0; 27}; 28 29class GPU_EXPORT TransferBufferManager 30 : public TransferBufferManagerInterface { 31 public: 32 TransferBufferManager(); 33 34 bool Initialize(); 35 virtual bool RegisterTransferBuffer(int32 id, 36 scoped_ptr<BufferBacking> buffer_backing) 37 OVERRIDE; 38 virtual void DestroyTransferBuffer(int32 id) OVERRIDE; 39 virtual scoped_refptr<Buffer> GetTransferBuffer(int32 id) OVERRIDE; 40 41 private: 42 virtual ~TransferBufferManager(); 43 44 typedef base::hash_map<int32, scoped_refptr<Buffer> > BufferMap; 45 BufferMap registered_buffers_; 46 size_t shared_memory_bytes_allocated_; 47 48 DISALLOW_COPY_AND_ASSIGN(TransferBufferManager); 49}; 50 51} // namespace gpu 52 53#endif // GPU_COMMAND_BUFFER_SERVICE_TRANSFER_BUFFER_MANAGER_H_ 54