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