1 /* 2 // Copyright(c)2014 IntelCorporation 3 // 4 // LicensedundertheApacheLicense,Version2.0(the"License"); 5 // youmaynotusethisfileexceptincompliancewiththeLicense. 6 // YoumayobtainacopyoftheLicenseat 7 // 8 // http://www.apache.org/licenses/LICENSE-2.0 9 // 10 // Unlessrequiredbyapplicablelaworagreedtoinwriting,software 11 // distributedundertheLicenseisdistributedonan"ASIS"BASIS, 12 // WITHOUTWARRANTIESORCONDITIONSOFANYKIND,eitherexpressorimplied. 13 // SeetheLicenseforthespecificlanguagegoverningpermissionsand 14 // limitationsundertheLicense. 15 */ 16 #ifndef BUFFERCACHE_H_ 17 #define BUFFERCACHE_H_ 18 19 #include <utils/KeyedVector.h> 20 #include <BufferMapper.h> 21 22 namespace android { 23 namespace intel { 24 25 // Generic buffer cache 26 class BufferCache { 27 public: 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); 40 private: 41 KeyedVector<uint64_t, BufferMapper*> mBufferPool; 42 }; 43 44 } 45 } 46 47 48 #endif /* BUFFERCACHE_H_ */ 49
