1/* 2// Copyright (c) 2014 Intel Corporation 3// 4// Licensed under the Apache License, Version 2.0 (the "License"); 5// you may not use this file except in compliance with the License. 6// You may obtain a copy of the License at 7// 8// http://www.apache.org/licenses/LICENSE-2.0 9// 10// Unless required by applicable law or agreed to in writing, software 11// distributed under the License is distributed on an "AS IS" BASIS, 12// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13// See the License for the specific language governing permissions and 14// limitations under the License. 15*/ 16#ifndef BUFFERCACHE_H_ 17#define BUFFERCACHE_H_ 18 19#include <utils/KeyedVector.h> 20#include <BufferMapper.h> 21 22namespace android { 23namespace intel { 24 25// Generic buffer cache 26class BufferCache { 27public: 28 BufferCache(int size); 29 virtual ~BufferCache(); 30 // add a new mapper into buffer cache 31 virtual bool addMapper(uint64_t handle, BufferMapper* mapper); 32 //remove mapper 33 virtual bool removeMapper(BufferMapper* mapper); 34 // get a buffer mapper 35 virtual BufferMapper* getMapper(uint64_t handle); 36 // get cache size 37 virtual size_t getCacheSize() const; 38 // get mapper with an index 39 virtual BufferMapper* getMapper(uint32_t index); 40private: 41 KeyedVector<uint64_t, BufferMapper*> mBufferPool; 42}; 43 44} 45} 46 47 48#endif /* BUFFERCACHE_H_ */ 49