rsObjectBase.h revision 2353ae303868d04e3a26002b2f2dc456c15e8170
1/* 2 * Copyright (C) 2009 The Android Open Source Project 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 17#ifndef ANDROID_RS_OBJECT_BASE_H 18#define ANDROID_RS_OBJECT_BASE_H 19 20#include "rsUtils.h" 21 22 23namespace android { 24namespace renderscript { 25 26class Context; 27class OStream; 28 29// An element is a group of Components that occupies one cell in a structure. 30class ObjectBase 31{ 32public: 33 ObjectBase(Context *rsc); 34 virtual ~ObjectBase(); 35 36 void incSysRef() const; 37 bool decSysRef() const; 38 39 void incUserRef() const; 40 bool decUserRef() const; 41 bool zeroUserRef() const; 42 void prelockedIncUserRef() const; 43 44 const char * getName() const { 45 return mName.string(); 46 } 47 void setName(const char *); 48 void setName(const char *, uint32_t len); 49 50 Context * getContext() const {return mRSC;} 51 52 static void zeroAllUserRef(Context *rsc); 53 static void dumpAll(Context *rsc); 54 55 virtual void dumpLOGV(const char *prefix) const; 56 virtual void serialize(OStream *stream) const = 0; 57 virtual RsA3DClassID getClassId() const = 0; 58 59 static bool isValid(const Context *rsc, const ObjectBase *obj); 60 61 static void lockUserRef(); 62 static void unlockUserRef(); 63 64protected: 65 const char *mAllocFile; 66 uint32_t mAllocLine; 67 Context *mRSC; 68 69private: 70 static pthread_mutex_t gObjectInitMutex; 71 72 void add() const; 73 void remove() const; 74 75 bool checkDelete() const; 76 77 String8 mName; 78 mutable int32_t mSysRefCount; 79 mutable int32_t mUserRefCount; 80 81 mutable const ObjectBase * mPrev; 82 mutable const ObjectBase * mNext; 83}; 84 85template<class T> 86class ObjectBaseRef 87{ 88public: 89 ObjectBaseRef() { 90 mRef = NULL; 91 } 92 93 ObjectBaseRef(const ObjectBaseRef &ref) { 94 mRef = ref.get(); 95 if (mRef) { 96 mRef->incSysRef(); 97 } 98 } 99 100 ObjectBaseRef(T *ref) { 101 mRef = ref; 102 if (mRef) { 103 ref->incSysRef(); 104 } 105 } 106 107 ~ObjectBaseRef() { 108 clear(); 109 } 110 111 void set(T *ref) { 112 if (mRef != ref) { 113 clear(); 114 mRef = ref; 115 if (mRef) { 116 ref->incSysRef(); 117 } 118 } 119 } 120 121 void set(const ObjectBaseRef &ref) { 122 set(ref.mRef); 123 } 124 125 void clear() { 126 if (mRef) { 127 mRef->decSysRef(); 128 } 129 mRef = NULL; 130 } 131 132 inline T * get() const { 133 return mRef; 134 } 135 136 inline T * operator-> () const { 137 return mRef; 138 } 139 140protected: 141 T * mRef; 142 143}; 144 145 146} 147} 148 149#endif //ANDROID_RS_OBJECT_BASE_H 150 151