libs/rs/rsElement.cpp - platform/frameworks/base - Gitiles

 /*
  * 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;
     mBitsUnpadded = 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;
 }

 size_t Element::getSizeBitsUnpadded() const {
     if (!mFieldCount) {
         return mBitsUnpadded;
     }

     size_t total = 0;
     for (size_t ct=0; ct < mFieldCount; ct++) {
         total += mFields[ct].e->mBitsUnpadded * mFields[ct].arraySize;
     }
     return total;
 }

 void Element::dumpLOGV(const char *prefix) const {
     ObjectBase::dumpLOGV(prefix);
     ALOGV("%s Element: fieldCount: %zu,  size bytes: %zu", prefix, mFieldCount, getSizeBytes());
     mComponent.dumpLOGV(prefix);
     for (uint32_t ct = 0; ct < mFieldCount; ct++) {
         ALOGV("%s Element field index: %u ------------------", prefix, ct);
         ALOGV("%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) {
         ALOGE("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();
         mBitsUnpadded = mComponent.getBitsUnpadded();
         mHasReference = mComponent.isReference();
         return;
     }

     size_t bits = 0;
     size_t bitsUnpadded = 0;
     for (size_t ct=0; ct < mFieldCount; ct++) {
         mFields[ct].offsetBits = bits;
         mFields[ct].offsetBitsUnpadded = bitsUnpadded;
         bits += mFields[ct].e->getSizeBits() * mFields[ct].arraySize;
         bitsUnpadded += mFields[ct].e->getSizeBitsUnpadded() * 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();
             }
         }
     }
 }

 Element::Builder::Builder() {
     const uint32_t initialCapacity = 32;
     mBuilderElementRefs.setCapacity(initialCapacity);
     mBuilderElements.setCapacity(initialCapacity);
     mBuilderNameStrings.setCapacity(initialCapacity);
     mBuilderNameLengths.setCapacity(initialCapacity);
     mBuilderArrays.setCapacity(initialCapacity);
 }

 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() {
 }

 ElementState::~ElementState() {
     rsAssert(!mElements.size());
 }

 /////////////////////////////////////////
 //

 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 *arraySizes, 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);
         arraySizes[i] = e->getFieldArraySize(i);
     }
 }
	/*
	* 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;
	mBitsUnpadded = 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;
	}

	size_t Element::getSizeBitsUnpadded() const {
	if (!mFieldCount) {
	return mBitsUnpadded;
	}

	size_t total = 0;
	for (size_t ct=0; ct < mFieldCount; ct++) {
	total += mFields[ct].e->mBitsUnpadded * mFields[ct].arraySize;
	}
	return total;
	}

	void Element::dumpLOGV(const char *prefix) const {
	ObjectBase::dumpLOGV(prefix);
	ALOGV("%s Element: fieldCount: %zu, size bytes: %zu", prefix, mFieldCount, getSizeBytes());
	mComponent.dumpLOGV(prefix);
	for (uint32_t ct = 0; ct < mFieldCount; ct++) {
	ALOGV("%s Element field index: %u ------------------", prefix, ct);
	ALOGV("%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) {
	ALOGE("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();
	mBitsUnpadded = mComponent.getBitsUnpadded();
	mHasReference = mComponent.isReference();
	return;
	}

	size_t bits = 0;
	size_t bitsUnpadded = 0;
	for (size_t ct=0; ct < mFieldCount; ct++) {
	mFields[ct].offsetBits = bits;
	mFields[ct].offsetBitsUnpadded = bitsUnpadded;
	bits += mFields[ct].e->getSizeBits() * mFields[ct].arraySize;
	bitsUnpadded += mFields[ct].e->getSizeBitsUnpadded() * 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 constobp = 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 constobp = 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();
	}
	}
	}
	}

	Element::Builder::Builder() {
	const uint32_t initialCapacity = 32;
	mBuilderElementRefs.setCapacity(initialCapacity);
	mBuilderElements.setCapacity(initialCapacity);
	mBuilderNameStrings.setCapacity(initialCapacity);
	mBuilderNameLengths.setCapacity(initialCapacity);
	mBuilderArrays.setCapacity(initialCapacity);
	}

	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() {
	}

	ElementState::~ElementState() {
	rsAssert(!mElements.size());
	}

	/////////////////////////////////////////
	//

	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 arraySizes, 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);
	arraySizes[i] = e->getFieldArraySize(i);
	}
	}