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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.
*/
#include "rsContext.h"
using namespace android;
using namespace android::renderscript;
Element::Element(Context *rsc) : ObjectBase(rsc) {
mBits = 0;
mFields = NULL;
mFieldCount = 0;
mHasReference = false;
}
Element::~Element() {
clear();
}
void Element::preDestroy() const {
for (uint32_t ct = 0; ct < mRSC->mStateElement.mElements.size(); ct++) {
if (mRSC->mStateElement.mElements[ct] == this) {
mRSC->mStateElement.mElements.removeAt(ct);
break;
}
}
}
void Element::clear() {
delete [] mFields;
mFields = NULL;
mFieldCount = 0;
mHasReference = false;
}
size_t Element::getSizeBits() const {
if (!mFieldCount) {
return mBits;
}
size_t total = 0;
for (size_t ct=0; ct < mFieldCount; ct++) {
total += mFields[ct].e->mBits * mFields[ct].arraySize;
}
return total;
}
void Element::dumpLOGV(const char *prefix) const {
ObjectBase::dumpLOGV(prefix);
LOGV("%s Element: fieldCount: %zu, size bytes: %zu", prefix, mFieldCount, getSizeBytes());
mComponent.dumpLOGV(prefix);
for (uint32_t ct = 0; ct < mFieldCount; ct++) {
LOGV("%s Element field index: %u ------------------", prefix, ct);
LOGV("%s name: %s, offsetBits: %u, arraySize: %u",
prefix, mFields[ct].name.string(), mFields[ct].offsetBits, mFields[ct].arraySize);
mFields[ct].e->dumpLOGV(prefix);
}
}
void Element::serialize(OStream *stream) const {
// Need to identify ourselves
stream->addU32((uint32_t)getClassId());
String8 name(getName());
stream->addString(&name);
mComponent.serialize(stream);
// Now serialize all the fields
stream->addU32(mFieldCount);
for (uint32_t ct = 0; ct < mFieldCount; ct++) {
stream->addString(&mFields[ct].name);
stream->addU32(mFields[ct].arraySize);
mFields[ct].e->serialize(stream);
}
}
Element *Element::createFromStream(Context *rsc, IStream *stream) {
// First make sure we are reading the correct object
RsA3DClassID classID = (RsA3DClassID)stream->loadU32();
if (classID != RS_A3D_CLASS_ID_ELEMENT) {
LOGE("element loading skipped due to invalid class id\n");
return NULL;
}
String8 name;
stream->loadString(&name);
Component component;
component.loadFromStream(stream);
uint32_t fieldCount = stream->loadU32();
if (!fieldCount) {
return (Element *)Element::create(rsc,
component.getType(),
component.getKind(),
component.getIsNormalized(),
component.getVectorSize());;
}
const Element **subElems = new const Element *[fieldCount];
const char **subElemNames = new const char *[fieldCount];
size_t *subElemNamesLengths = new size_t[fieldCount];
uint32_t *arraySizes = new uint32_t[fieldCount];
String8 elemName;
for (uint32_t ct = 0; ct < fieldCount; ct ++) {
stream->loadString(&elemName);
subElemNamesLengths[ct] = elemName.length();
char *tmpName = new char[subElemNamesLengths[ct]];
memcpy(tmpName, elemName.string(), subElemNamesLengths[ct]);
subElemNames[ct] = tmpName;
arraySizes[ct] = stream->loadU32();
subElems[ct] = Element::createFromStream(rsc, stream);
}
const Element *elem = Element::create(rsc, fieldCount, subElems, subElemNames,
subElemNamesLengths, arraySizes);
for (uint32_t ct = 0; ct < fieldCount; ct ++) {
delete [] subElemNames[ct];
subElems[ct]->decUserRef();
}
delete[] subElems;
delete[] subElemNames;
delete[] subElemNamesLengths;
delete[] arraySizes;
return (Element *)elem;
}
void Element::compute() {
if (mFieldCount == 0) {
mBits = mComponent.getBits();
mHasReference = mComponent.isReference();
return;
}
size_t bits = 0;
for (size_t ct=0; ct < mFieldCount; ct++) {
mFields[ct].offsetBits = bits;
bits += mFields[ct].e->getSizeBits() * mFields[ct].arraySize;
if (mFields[ct].e->mHasReference) {
mHasReference = true;
}
}
}
ObjectBaseRef<const Element> Element::createRef(Context *rsc, RsDataType dt, RsDataKind dk,
bool isNorm, uint32_t vecSize) {
ObjectBaseRef<const Element> returnRef;
// Look for an existing match.
ObjectBase::asyncLock();
for (uint32_t ct=0; ct < rsc->mStateElement.mElements.size(); ct++) {
const Element *ee = rsc->mStateElement.mElements[ct];
if (!ee->getFieldCount() &&
(ee->getComponent().getType() == dt) &&
(ee->getComponent().getKind() == dk) &&
(ee->getComponent().getIsNormalized() == isNorm) &&
(ee->getComponent().getVectorSize() == vecSize)) {
// Match
returnRef.set(ee);
ObjectBase::asyncUnlock();
return ee;
}
}
ObjectBase::asyncUnlock();
Element *e = new Element(rsc);
returnRef.set(e);
e->mComponent.set(dt, dk, isNorm, vecSize);
e->compute();
ObjectBase::asyncLock();
rsc->mStateElement.mElements.push(e);
ObjectBase::asyncUnlock();
return returnRef;
}
ObjectBaseRef<const Element> Element::createRef(Context *rsc, size_t count, const Element **ein,
const char **nin, const size_t * lengths, const uint32_t *asin) {
ObjectBaseRef<const Element> returnRef;
// Look for an existing match.
ObjectBase::asyncLock();
for (uint32_t ct=0; ct < rsc->mStateElement.mElements.size(); ct++) {
const Element *ee = rsc->mStateElement.mElements[ct];
if (ee->getFieldCount() == count) {
bool match = true;
for (uint32_t i=0; i < count; i++) {
if ((ee->mFields[i].e.get() != ein[i]) ||
(ee->mFields[i].name.length() != lengths[i]) ||
(ee->mFields[i].name != nin[i]) ||
(ee->mFields[i].arraySize != asin[i])) {
match = false;
break;
}
}
if (match) {
returnRef.set(ee);
ObjectBase::asyncUnlock();
return returnRef;
}
}
}
ObjectBase::asyncUnlock();
Element *e = new Element(rsc);
returnRef.set(e);
e->mFields = new ElementField_t [count];
e->mFieldCount = count;
for (size_t ct=0; ct < count; ct++) {
e->mFields[ct].e.set(ein[ct]);
e->mFields[ct].name.setTo(nin[ct], lengths[ct]);
e->mFields[ct].arraySize = asin[ct];
}
e->compute();
ObjectBase::asyncLock();
rsc->mStateElement.mElements.push(e);
ObjectBase::asyncUnlock();
return returnRef;
}
void Element::incRefs(const void *ptr) const {
if (!mFieldCount) {
if (mComponent.isReference()) {
ObjectBase *const*obp = static_cast<ObjectBase *const*>(ptr);
ObjectBase *ob = obp[0];
if (ob) ob->incSysRef();
}
return;
}
const uint8_t *p = static_cast<const uint8_t *>(ptr);
for (uint32_t i=0; i < mFieldCount; i++) {
if (mFields[i].e->mHasReference) {
const uint8_t *p2 = &p[mFields[i].offsetBits >> 3];
for (uint32_t ct=0; ct < mFields[i].arraySize; ct++) {
mFields[i].e->incRefs(p2);
p2 += mFields[i].e->getSizeBytes();
}
}
}
}
void Element::decRefs(const void *ptr) const {
if (!mFieldCount) {
if (mComponent.isReference()) {
ObjectBase *const*obp = static_cast<ObjectBase *const*>(ptr);
ObjectBase *ob = obp[0];
if (ob) ob->decSysRef();
}
return;
}
const uint8_t *p = static_cast<const uint8_t *>(ptr);
for (uint32_t i=0; i < mFieldCount; i++) {
if (mFields[i].e->mHasReference) {
const uint8_t *p2 = &p[mFields[i].offsetBits >> 3];
for (uint32_t ct=0; ct < mFields[i].arraySize; ct++) {
mFields[i].e->decRefs(p2);
p2 += mFields[i].e->getSizeBytes();
}
}
}
}
void Element::Builder::add(const Element *e, const char *nameStr, uint32_t arraySize) {
mBuilderElementRefs.push(ObjectBaseRef<const Element>(e));
mBuilderElements.push(e);
mBuilderNameStrings.push(nameStr);
mBuilderNameLengths.push(strlen(nameStr));
mBuilderArrays.push(arraySize);
}
ObjectBaseRef<const Element> Element::Builder::create(Context *rsc) {
return Element::createRef(rsc, mBuilderElements.size(),
&(mBuilderElements.editArray()[0]),
&(mBuilderNameStrings.editArray()[0]),
mBuilderNameLengths.editArray(),
mBuilderArrays.editArray());
}
ElementState::ElementState() {
const uint32_t initialCapacity = 32;
mBuilderElements.setCapacity(initialCapacity);
mBuilderNameStrings.setCapacity(initialCapacity);
mBuilderNameLengths.setCapacity(initialCapacity);
mBuilderArrays.setCapacity(initialCapacity);
}
ElementState::~ElementState() {
rsAssert(!mElements.size());
}
void ElementState::elementBuilderBegin() {
mBuilderElements.clear();
mBuilderNameStrings.clear();
mBuilderNameLengths.clear();
mBuilderArrays.clear();
}
void ElementState::elementBuilderAdd(const Element *e, const char *nameStr, uint32_t arraySize) {
mBuilderElements.push(e);
mBuilderNameStrings.push(nameStr);
mBuilderNameLengths.push(strlen(nameStr));
mBuilderArrays.push(arraySize);
}
const Element *ElementState::elementBuilderCreate(Context *rsc) {
return Element::create(rsc, mBuilderElements.size(),
&(mBuilderElements.editArray()[0]),
&(mBuilderNameStrings.editArray()[0]),
mBuilderNameLengths.editArray(),
mBuilderArrays.editArray());
}
/////////////////////////////////////////
//
namespace android {
namespace renderscript {
RsElement rsi_ElementCreate(Context *rsc,
RsDataType dt,
RsDataKind dk,
bool norm,
uint32_t vecSize) {
return (RsElement)Element::create(rsc, dt, dk, norm, vecSize);
}
RsElement rsi_ElementCreate2(Context *rsc,
const RsElement * ein,
size_t ein_length,
const char ** names,
size_t nameLengths_length,
const size_t * nameLengths,
const uint32_t * arraySizes,
size_t arraySizes_length) {
return (RsElement)Element::create(rsc, ein_length, (const Element **)ein,
names, nameLengths, arraySizes);
}
}
}
void rsaElementGetNativeData(RsContext con, RsElement elem,
uint32_t *elemData, uint32_t elemDataSize) {
rsAssert(elemDataSize == 5);
// we will pack mType; mKind; mNormalized; mVectorSize; NumSubElements
Element *e = static_cast<Element *>(elem);
(*elemData++) = (uint32_t)e->getType();
(*elemData++) = (uint32_t)e->getKind();
(*elemData++) = e->getComponent().getIsNormalized() ? 1 : 0;
(*elemData++) = e->getComponent().getVectorSize();
(*elemData++) = e->getFieldCount();
}
void rsaElementGetSubElements(RsContext con, RsElement elem, uint32_t *ids,
const char **names, uint32_t dataSize) {
Element *e = static_cast<Element *>(elem);
rsAssert(e->getFieldCount() == dataSize);
for (uint32_t i = 0; i < dataSize; i ++) {
e->getField(i)->incUserRef();
ids[i] = (uint32_t)e->getField(i);
names[i] = e->getFieldName(i);
}
}