transfer_buffer_manager.h revision 5821806d5e7f356e8fa4b058a389a808ea183019
15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Copyright (c) 2012 The Chromium Authors. All rights reserved. 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// found in the LICENSE file. 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 55821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#ifndef GPU_COMMAND_BUFFER_SERVICE_TRANSFER_BUFFER_MANAGER_H_ 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#define GPU_COMMAND_BUFFER_SERVICE_TRANSFER_BUFFER_MANAGER_H_ 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <set> 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <vector> 105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/basictypes.h" 125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/compiler_specific.h" 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/shared_memory.h" 145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "gpu/command_buffer/common/command_buffer_shared.h" 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace gpu { 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class GPU_EXPORT TransferBufferManagerInterface { 195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) public: 205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual ~TransferBufferManagerInterface(); 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual int32 CreateTransferBuffer(size_t size, int32 id_request) = 0; 235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual int32 RegisterTransferBuffer( 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) base::SharedMemory* shared_memory, 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) size_t size, 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int32 id_request) = 0; 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void DestroyTransferBuffer(int32 id) = 0; 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual Buffer GetTransferBuffer(int32 handle) = 0; 295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class GPU_EXPORT TransferBufferManager 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) : public TransferBufferManagerInterface { 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) public: 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) TransferBufferManager(); 365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool Initialize(); 385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual int32 CreateTransferBuffer(size_t size, int32 id_request) OVERRIDE; 395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual int32 RegisterTransferBuffer( 405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) base::SharedMemory* shared_memory, 415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) size_t size, 425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int32 id_request) OVERRIDE; 435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void DestroyTransferBuffer(int32 id) OVERRIDE; 445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual Buffer GetTransferBuffer(int32 handle) OVERRIDE; 455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) private: 475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual ~TransferBufferManager(); 485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::set<int32> unused_registered_object_elements_; 505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::vector<Buffer> registered_objects_; 515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) size_t shared_memory_bytes_allocated_; 525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DISALLOW_COPY_AND_ASSIGN(TransferBufferManager); 545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace gpu 575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif // GPU_COMMAND_BUFFER_SERVICE_TRANSFER_BUFFER_MANAGER_H_ 59