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/*
* Copyright (C) 2009 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef ANDROID_RS_OBJECT_BASE_H
#define ANDROID_RS_OBJECT_BASE_H
#include "rsUtils.h"
namespace android {
namespace renderscript {
class Context;
// An element is a group of Components that occupies one cell in a structure.
class ObjectBase
{
public:
ObjectBase(Context *rsc);
virtual ~ObjectBase();
void incSysRef() const;
bool decSysRef() const;
void incUserRef() const;
bool decUserRef() const;
bool zeroUserRef() const;
const char * getName() const {
return mName;
}
void setName(const char *);
void setName(const char *, uint32_t len);
Context * getContext() const {return mRSC;}
void setContext(Context *);
static void zeroAllUserRef(Context *rsc);
static void dumpAll(Context *rsc);
virtual void dumpLOGV(const char *prefix) const;
protected:
const char *mAllocFile;
uint32_t mAllocLine;
Context *mRSC;
private:
void add() const;
void remove() const;
bool checkDelete() const;
char * mName;
mutable int32_t mSysRefCount;
mutable int32_t mUserRefCount;
mutable const ObjectBase * mPrev;
mutable const ObjectBase * mNext;
};
template<class T>
class ObjectBaseRef
{
public:
ObjectBaseRef() {
mRef = NULL;
}
ObjectBaseRef(const ObjectBaseRef &ref) {
mRef = ref.get();
if (mRef) {
mRef->incSysRef();
}
}
ObjectBaseRef(T *ref) {
mRef = ref;
if (mRef) {
ref->incSysRef();
}
}
~ObjectBaseRef() {
clear();
}
void set(T *ref) {
if (mRef != ref) {
clear();
mRef = ref;
if (mRef) {
ref->incSysRef();
}
}
}
void set(const ObjectBaseRef &ref) {
set(ref.mRef);
}
void clear() {
if (mRef) {
mRef->decSysRef();
}
mRef = NULL;
}
inline T * get() const {
return mRef;
}
inline T * operator-> () const {
return mRef;
}
protected:
T * mRef;
};
}
}
#endif //ANDROID_RS_OBJECT_BASE_H
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