rsObjectBase.h revision f2649a961db2995e9e24a6c98f8a419f1496c1b7
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; 27 28// An element is a group of Components that occupies one cell in a structure. 29class ObjectBase 30{ 31public: 32 ObjectBase(Context *rsc); 33 virtual ~ObjectBase(); 34 35 void incSysRef() const; 36 bool decSysRef() const; 37 38 void incUserRef() const; 39 bool decUserRef() const; 40 bool zeroUserRef() const; 41 42 const char * getName() const { 43 return mName; 44 } 45 void setName(const char *); 46 void setName(const char *, uint32_t len); 47 48 Context * getContext() const {return mRSC;} 49 void setContext(Context *); 50 51 static void zeroAllUserRef(Context *rsc); 52 53 void dumpObj(const char *op) const; 54 55protected: 56 const char *mAllocFile; 57 uint32_t mAllocLine; 58 59private: 60 void add() const; 61 void remove() const; 62 63 bool checkDelete() const; 64 65 char * mName; 66 Context *mRSC; 67 mutable int32_t mSysRefCount; 68 mutable int32_t mUserRefCount; 69 70 mutable const ObjectBase * mPrev; 71 mutable const ObjectBase * mNext; 72}; 73 74template<class T> 75class ObjectBaseRef 76{ 77public: 78 ObjectBaseRef() { 79 mRef = NULL; 80 } 81 82 ObjectBaseRef(const ObjectBaseRef &ref) { 83 mRef = ref.get(); 84 if (mRef) { 85 mRef->incSysRef(); 86 } 87 } 88 89 ObjectBaseRef(T *ref) { 90 mRef = ref; 91 if (mRef) { 92 ref->incSysRef(); 93 } 94 } 95 96 ~ObjectBaseRef() { 97 clear(); 98 } 99 100 void set(T *ref) { 101 if (mRef != ref) { 102 clear(); 103 mRef = ref; 104 if (mRef) { 105 ref->incSysRef(); 106 } 107 } 108 } 109 110 void set(const ObjectBaseRef &ref) { 111 set(ref.mRef); 112 } 113 114 void clear() { 115 if (mRef) { 116 mRef->decSysRef(); 117 } 118 mRef = NULL; 119 } 120 121 inline T * get() const { 122 return mRef; 123 } 124 125 inline T * operator-> () const { 126 return mRef; 127 } 128 129protected: 130 T * mRef; 131 132}; 133 134 135} 136} 137 138#endif //ANDROID_RS_OBJECT_BASE_H 139 140