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 23 namespace android { 24 namespace renderscript { 25 26 class Context; 27 28 // An element is a group of Components that occupies one cell in a structure. 29 class ObjectBase 30 { 31 public: 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 getName()42 const char * getName() const { 43 return mName; 44 } 45 void setName(const char *); 46 void setName(const char *, uint32_t len); 47 getContext()48 Context * getContext() const {return mRSC;} 49 void setContext(Context *); 50 51 static void zeroAllUserRef(Context *rsc); 52 static void dumpAll(Context *rsc); 53 54 virtual void dumpLOGV(const char *prefix) const; 55 56 protected: 57 const char *mAllocFile; 58 uint32_t mAllocLine; 59 Context *mRSC; 60 61 private: 62 void add() const; 63 void remove() const; 64 65 bool checkDelete() const; 66 67 char * mName; 68 mutable int32_t mSysRefCount; 69 mutable int32_t mUserRefCount; 70 71 mutable const ObjectBase * mPrev; 72 mutable const ObjectBase * mNext; 73 }; 74 75 template<class T> 76 class ObjectBaseRef 77 { 78 public: ObjectBaseRef()79 ObjectBaseRef() { 80 mRef = NULL; 81 } 82 ObjectBaseRef(const ObjectBaseRef & ref)83 ObjectBaseRef(const ObjectBaseRef &ref) { 84 mRef = ref.get(); 85 if (mRef) { 86 mRef->incSysRef(); 87 } 88 } 89 ObjectBaseRef(T * ref)90 ObjectBaseRef(T *ref) { 91 mRef = ref; 92 if (mRef) { 93 ref->incSysRef(); 94 } 95 } 96 ~ObjectBaseRef()97 ~ObjectBaseRef() { 98 clear(); 99 } 100 set(T * ref)101 void set(T *ref) { 102 if (mRef != ref) { 103 clear(); 104 mRef = ref; 105 if (mRef) { 106 ref->incSysRef(); 107 } 108 } 109 } 110 set(const ObjectBaseRef & ref)111 void set(const ObjectBaseRef &ref) { 112 set(ref.mRef); 113 } 114 clear()115 void clear() { 116 if (mRef) { 117 mRef->decSysRef(); 118 } 119 mRef = NULL; 120 } 121 get()122 inline T * get() const { 123 return mRef; 124 } 125 126 inline T * operator-> () const { 127 return mRef; 128 } 129 130 protected: 131 T * mRef; 132 133 }; 134 135 136 } 137 } 138 139 #endif //ANDROID_RS_OBJECT_BASE_H 140 141