rsObjectBase.cpp revision 25afc007f33952d6ba10297f7bab4053d30e2f72 
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#include "rsObjectBase.h"
18#include "rsContext.h"
19
20using namespace android;
21using namespace android::renderscript;
22
23ObjectBase::ObjectBase(Context *rsc)
24{
25    mUserRefCount = 0;
26    mSysRefCount = 0;
27    mName = NULL;
28    mRSC = NULL;
29    mNext = NULL;
30    mPrev = NULL;
31    mAllocFile = __FILE__;
32    mAllocLine = __LINE__;
33    setContext(rsc);
34}
35
36ObjectBase::~ObjectBase()
37{
38    //LOGV("~ObjectBase %p  ref %i,%i", this, mUserRefCount, mSysRefCount);
39    rsAssert(!mUserRefCount);
40    rsAssert(!mSysRefCount);
41    remove();
42    delete[] mName;
43}
44
45void ObjectBase::dumpLOGV(const char *op) const
46{
47    if (mName) {
48        LOGV("%s RSobj %p, name %s, refs %i,%i  from %s,%i links %p,%p,%p",
49             op, this, mName, mUserRefCount, mSysRefCount, mAllocFile, mAllocLine, mNext, mPrev, mRSC);
50    } else {
51        LOGV("%s RSobj %p, no-name, refs %i,%i  from %s,%i links %p,%p,%p",
52             op, this, mUserRefCount, mSysRefCount, mAllocFile, mAllocLine, mNext, mPrev, mRSC);
53    }
54}
55
56void ObjectBase::setContext(Context *rsc)
57{
58    if (mRSC) {
59        remove();
60    }
61    mRSC = rsc;
62    if (rsc) {
63        add();
64    }
65}
66
67void ObjectBase::incUserRef() const
68{
69    mUserRefCount ++;
70    //LOGV("ObjectBase %p inc ref %i", this, mRefCount);
71}
72
73void ObjectBase::incSysRef() const
74{
75    mSysRefCount ++;
76    //LOGV("ObjectBase %p inc ref %i", this, mRefCount);
77}
78
79bool ObjectBase::checkDelete() const
80{
81    if (!(mSysRefCount | mUserRefCount)) {
82        if (mRSC && mRSC->props.mLogObjects) {
83            dumpLOGV("checkDelete");
84        }
85        delete this;
86        return true;
87    }
88    return false;
89}
90
91bool ObjectBase::decUserRef() const
92{
93    rsAssert(mUserRefCount > 0);
94    mUserRefCount --;
95    //dumpObj("decUserRef");
96    return checkDelete();
97}
98
99bool ObjectBase::zeroUserRef() const
100{
101    mUserRefCount = 0;
102    //dumpObj("zeroUserRef");
103    return checkDelete();
104}
105
106bool ObjectBase::decSysRef() const
107{
108    rsAssert(mSysRefCount > 0);
109    mSysRefCount --;
110    //dumpObj("decSysRef");
111    return checkDelete();
112}
113
114void ObjectBase::setName(const char *name)
115{
116    setName(name, strlen(name));
117}
118
119void ObjectBase::setName(const char *name, uint32_t len)
120{
121    delete mName;
122    mName = NULL;
123    if (name) {
124        mName = new char[len + 1];
125        memcpy(mName, name, len);
126        mName[len] = 0;
127    }
128}
129
130void ObjectBase::add() const
131{
132    rsAssert(!mNext);
133    rsAssert(!mPrev);
134    //LOGV("calling add  rsc %p", mRSC);
135    mNext = mRSC->mObjHead;
136    if (mRSC->mObjHead) {
137        mRSC->mObjHead->mPrev = this;
138    }
139    mRSC->mObjHead = this;
140}
141
142void ObjectBase::remove() const
143{
144    //LOGV("calling remove  rsc %p", mRSC);
145    if (!mRSC) {
146        rsAssert(!mPrev);
147        rsAssert(!mNext);
148        return;
149    }
150    if (mRSC->mObjHead == this) {
151        mRSC->mObjHead = mNext;
152    }
153    if (mPrev) {
154        mPrev->mNext = mNext;
155    }
156    if (mNext) {
157        mNext->mPrev = mPrev;
158    }
159    mPrev = NULL;
160    mNext = NULL;
161}
162
163void ObjectBase::zeroAllUserRef(Context *rsc)
164{
165    if (rsc->props.mLogObjects) {
166        LOGV("Forcing release of all outstanding user refs.");
167    }
168
169    // This operation can be slow, only to be called during context cleanup.
170    const ObjectBase * o = rsc->mObjHead;
171    while (o) {
172        //LOGE("o %p", o);
173        if (o->zeroUserRef()) {
174            // deleted the object and possibly others, restart from head.
175            o = rsc->mObjHead;
176            //LOGE("o head %p", o);
177        } else {
178            o = o->mNext;
179            //LOGE("o next %p", o);
180        }
181    }
182
183    if (rsc->props.mLogObjects) {
184        LOGV("Objects remaining.");
185        dumpAll(rsc);
186    }
187}
188
189void ObjectBase::dumpAll(Context *rsc)
190{
191    LOGV("Dumping all objects");
192    const ObjectBase * o = rsc->mObjHead;
193    while (o) {
194        o->dumpLOGV("  ");
195        o = o->mNext;
196    }
197}
198
199