rsElement.cpp - platform/frameworks/rs - 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 = nullptr;
     mFieldCount = 0;
     mHasReference = false;
     memset(&mHal, 0, sizeof(mHal));
 }

 Element::~Element() {
     clear();
 }

 void Element::operator delete(void* ptr) {
     if (ptr) {
         Element *e = (Element*) ptr;
         e->getContext()->mHal.funcs.freeRuntimeMem(ptr);
     }
 }

 void Element::preDestroy() const {
     auto &elements = mRSC->mStateElement.mElements;

     for (auto elIter = elements.begin(), endIter = elements.end();
          elIter != endIter; elIter++) {

         if (this == *elIter) {
             elements.erase(elIter);
             return;
         }
     }
 }

 void Element::clear() {
     if (mFields) {
         for (size_t i = 0; i < mFieldCount; i++) {
             delete[] mFields[i].name;
         }
         delete [] mFields;
     }
     mFields = nullptr;
     mFieldCount = 0;
     mHasReference = false;

     delete [] mHal.state.fields;
     delete [] mHal.state.fieldArraySizes;
     delete [] mHal.state.fieldNames;
     delete [] mHal.state.fieldNameLengths;
     delete [] mHal.state.fieldOffsetBytes;
 }

 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, mFields[ct].offsetBits, mFields[ct].arraySize);
         mFields[ct].e->dumpLOGV(prefix);
     }
 }

 void Element::serialize(Context *rsc, OStream *stream) const {
     // Need to identify ourselves
     stream->addU32((uint32_t)getClassId());
     stream->addString(getName());

     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(rsc, 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 nullptr;
     }

     const char *name = stream->loadString();

     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];

     for (uint32_t ct = 0; ct < fieldCount; ct ++) {
         subElemNames[ct] = stream->loadString();
         subElemNamesLengths[ct] = strlen(subElemNames[ct]);
         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[] name;
     delete[] subElems;
     delete[] subElemNames;
     delete[] subElemNamesLengths;
     delete[] arraySizes;

     return (Element *)elem;
 }

 void Element::compute() {
     mHal.state.dataType = mComponent.getType();
     mHal.state.dataKind = mComponent.getKind();
     mHal.state.vectorSize = mComponent.getVectorSize();

     if (mFieldCount == 0) {
         mBits = mComponent.getBits();
         mBitsUnpadded = mComponent.getBitsUnpadded();
         mHasReference = mComponent.isReference();

         mHal.state.elementSizeBytes = getSizeBytes();
         return;
     }

     uint32_t noPaddingFieldCount = 0;
     for (uint32_t ct = 0; ct < mFieldCount; ct ++) {
         if (mFields[ct].name[0] != '#') {
             noPaddingFieldCount ++;
         }
     }

     mHal.state.fields = new const Element*[noPaddingFieldCount];
     mHal.state.fieldArraySizes = new uint32_t[noPaddingFieldCount];
     mHal.state.fieldNames = new const char*[noPaddingFieldCount];
     mHal.state.fieldNameLengths = new uint32_t[noPaddingFieldCount];
     mHal.state.fieldOffsetBytes = new uint32_t[noPaddingFieldCount];
     mHal.state.fieldsCount = noPaddingFieldCount;

     size_t bits = 0;
     size_t bitsUnpadded = 0;
     for (size_t ct = 0, ctNoPadding = 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;
         }

         if (mFields[ct].name[0] == '#') {
             continue;
         }

         mHal.state.fields[ctNoPadding] = mFields[ct].e.get();
         mHal.state.fieldArraySizes[ctNoPadding] = mFields[ct].arraySize;
         mHal.state.fieldNames[ctNoPadding] = mFields[ct].name;
         mHal.state.fieldNameLengths[ctNoPadding] = strlen(mFields[ct].name) + 1; // to include 0
         mHal.state.fieldOffsetBytes[ctNoPadding] = mFields[ct].offsetBits >> 3;

         ctNoPadding ++;
     }

     mHal.state.elementSizeBytes = getSizeBytes();
 }

 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 objects must use allocator specified by the driver
     void* allocMem = rsc->mHal.funcs.allocRuntimeMem(sizeof(Element), 0);
     if (!allocMem) {
         rsc->setError(RS_ERROR_FATAL_DRIVER, "Couldn't allocate memory for Element");
         return nullptr;
     }

     Element *e = new (allocMem) Element(rsc);
     returnRef.set(e);
     e->mComponent.set(dt, dk, isNorm, vecSize);
     e->compute();

 #ifdef RS_FIND_OFFSETS
     ALOGE("pointer for element: %p", e);
     ALOGE("pointer for element.drv: %p", &e->mHal.drv);
 #endif


     ObjectBase::asyncLock();
     rsc->mStateElement.mElements.push_back(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++) {
                 size_t len;
                 uint32_t asize = 1;
                 if (lengths) {
                     len = lengths[i];
                 } else {
                     len = strlen(nin[i]);
                 }
                 if (asin) {
                     asize = asin[i];
                 }

                 if ((ee->mFields[i].e.get() != ein[i]) ||
                     (strlen(ee->mFields[i].name) != len) ||
                     strcmp(ee->mFields[i].name, nin[i]) ||
                     (ee->mFields[i].arraySize != asize)) {
                     match = false;
                     break;
                 }
             }
             if (match) {
                 returnRef.set(ee);
                 ObjectBase::asyncUnlock();
                 return returnRef;
             }
         }
     }
     ObjectBase::asyncUnlock();

     // Element objects must use allocator specified by the driver
     void* allocMem = rsc->mHal.funcs.allocRuntimeMem(sizeof(Element), 0);
     if (!allocMem) {
         rsc->setError(RS_ERROR_FATAL_DRIVER, "Couldn't allocate memory for Element");
         return nullptr;
     }

     Element *e = new (allocMem) Element(rsc);
     returnRef.set(e);
     e->mFields = new ElementField_t [count];
     e->mFieldCount = count;
     for (size_t ct=0; ct < count; ct++) {
         size_t len;
         uint32_t asize = 1;
         if (lengths) {
             len = lengths[ct];
         } else {
             len = strlen(nin[ct]);
         }
         if (asin) {
             asize = asin[ct];
         }

         e->mFields[ct].e.set(ein[ct]);
         e->mFields[ct].name = rsuCopyString(nin[ct], len);
         e->mFields[ct].arraySize = asize;
     }
     e->compute();

     ObjectBase::asyncLock();
     rsc->mStateElement.mElements.push_back(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::callUpdateCacheObject(const Context *rsc, void *dstObj) const {
     if (rsc->mHal.funcs.element.updateCachedObject != nullptr) {
         rsc->mHal.funcs.element.updateCachedObject(rsc, this, (rs_element *)dstObj);
     } else {
         *((const void **)dstObj) = this;
     }
 }

 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);
 }

 }
 }

 extern "C" 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();
 }

 extern "C" void rsaElementGetSubElements(RsContext con, RsElement elem, uintptr_t *ids,
                               const char **names, size_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] = (uintptr_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 = nullptr;
	mFieldCount = 0;
	mHasReference = false;
	memset(&mHal, 0, sizeof(mHal));
	}

	Element::~Element() {
	clear();
	}

	void Element::operator delete(void* ptr) {
	if (ptr) {
	Element e = (Element) ptr;
	e->getContext()->mHal.funcs.freeRuntimeMem(ptr);
	}
	}

	void Element::preDestroy() const {
	auto &elements = mRSC->mStateElement.mElements;

	for (auto elIter = elements.begin(), endIter = elements.end();
	elIter != endIter; elIter++) {

	if (this == *elIter) {
	elements.erase(elIter);
	return;
	}
	}
	}

	void Element::clear() {
	if (mFields) {
	for (size_t i = 0; i < mFieldCount; i++) {
	delete[] mFields[i].name;
	}
	delete [] mFields;
	}
	mFields = nullptr;
	mFieldCount = 0;
	mHasReference = false;

	delete [] mHal.state.fields;
	delete [] mHal.state.fieldArraySizes;
	delete [] mHal.state.fieldNames;
	delete [] mHal.state.fieldNameLengths;
	delete [] mHal.state.fieldOffsetBytes;
	}

	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, mFields[ct].offsetBits, mFields[ct].arraySize);
	mFields[ct].e->dumpLOGV(prefix);
	}
	}

	void Element::serialize(Context rsc, OStream stream) const {
	// Need to identify ourselves
	stream->addU32((uint32_t)getClassId());
	stream->addString(getName());

	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(rsc, 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 nullptr;
	}

	const char *name = stream->loadString();

	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];

	for (uint32_t ct = 0; ct < fieldCount; ct ++) {
	subElemNames[ct] = stream->loadString();
	subElemNamesLengths[ct] = strlen(subElemNames[ct]);
	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[] name;
	delete[] subElems;
	delete[] subElemNames;
	delete[] subElemNamesLengths;
	delete[] arraySizes;

	return (Element *)elem;
	}

	void Element::compute() {
	mHal.state.dataType = mComponent.getType();
	mHal.state.dataKind = mComponent.getKind();
	mHal.state.vectorSize = mComponent.getVectorSize();

	if (mFieldCount == 0) {
	mBits = mComponent.getBits();
	mBitsUnpadded = mComponent.getBitsUnpadded();
	mHasReference = mComponent.isReference();

	mHal.state.elementSizeBytes = getSizeBytes();
	return;
	}

	uint32_t noPaddingFieldCount = 0;
	for (uint32_t ct = 0; ct < mFieldCount; ct ++) {
	if (mFields[ct].name[0] != '#') {
	noPaddingFieldCount ++;
	}
	}

	mHal.state.fields = new const Element*[noPaddingFieldCount];
	mHal.state.fieldArraySizes = new uint32_t[noPaddingFieldCount];
	mHal.state.fieldNames = new const char*[noPaddingFieldCount];
	mHal.state.fieldNameLengths = new uint32_t[noPaddingFieldCount];
	mHal.state.fieldOffsetBytes = new uint32_t[noPaddingFieldCount];
	mHal.state.fieldsCount = noPaddingFieldCount;

	size_t bits = 0;
	size_t bitsUnpadded = 0;
	for (size_t ct = 0, ctNoPadding = 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;
	}

	if (mFields[ct].name[0] == '#') {
	continue;
	}

	mHal.state.fields[ctNoPadding] = mFields[ct].e.get();
	mHal.state.fieldArraySizes[ctNoPadding] = mFields[ct].arraySize;
	mHal.state.fieldNames[ctNoPadding] = mFields[ct].name;
	mHal.state.fieldNameLengths[ctNoPadding] = strlen(mFields[ct].name) + 1; // to include 0
	mHal.state.fieldOffsetBytes[ctNoPadding] = mFields[ct].offsetBits >> 3;

	ctNoPadding ++;
	}

	mHal.state.elementSizeBytes = getSizeBytes();
	}

	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 objects must use allocator specified by the driver
	void* allocMem = rsc->mHal.funcs.allocRuntimeMem(sizeof(Element), 0);
	if (!allocMem) {
	rsc->setError(RS_ERROR_FATAL_DRIVER, "Couldn't allocate memory for Element");
	return nullptr;
	}

	Element *e = new (allocMem) Element(rsc);
	returnRef.set(e);
	e->mComponent.set(dt, dk, isNorm, vecSize);
	e->compute();

	#ifdef RS_FIND_OFFSETS
	ALOGE("pointer for element: %p", e);
	ALOGE("pointer for element.drv: %p", &e->mHal.drv);
	#endif


	ObjectBase::asyncLock();
	rsc->mStateElement.mElements.push_back(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++) {
	size_t len;
	uint32_t asize = 1;
	if (lengths) {
	len = lengths[i];
	} else {
	len = strlen(nin[i]);
	}
	if (asin) {
	asize = asin[i];
	}

	if ((ee->mFields[i].e.get() != ein[i]) \|\|
	(strlen(ee->mFields[i].name) != len) \|\|
	strcmp(ee->mFields[i].name, nin[i]) \|\|
	(ee->mFields[i].arraySize != asize)) {
	match = false;
	break;
	}
	}
	if (match) {
	returnRef.set(ee);
	ObjectBase::asyncUnlock();
	return returnRef;
	}
	}
	}
	ObjectBase::asyncUnlock();

	// Element objects must use allocator specified by the driver
	void* allocMem = rsc->mHal.funcs.allocRuntimeMem(sizeof(Element), 0);
	if (!allocMem) {
	rsc->setError(RS_ERROR_FATAL_DRIVER, "Couldn't allocate memory for Element");
	return nullptr;
	}

	Element *e = new (allocMem) Element(rsc);
	returnRef.set(e);
	e->mFields = new ElementField_t [count];
	e->mFieldCount = count;
	for (size_t ct=0; ct < count; ct++) {
	size_t len;
	uint32_t asize = 1;
	if (lengths) {
	len = lengths[ct];
	} else {
	len = strlen(nin[ct]);
	}
	if (asin) {
	asize = asin[ct];
	}

	e->mFields[ct].e.set(ein[ct]);
	e->mFields[ct].name = rsuCopyString(nin[ct], len);
	e->mFields[ct].arraySize = asize;
	}
	e->compute();

	ObjectBase::asyncLock();
	rsc->mStateElement.mElements.push_back(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();
	}
	}
	}
	}

	void Element::callUpdateCacheObject(const Context rsc, void dstObj) const {
	if (rsc->mHal.funcs.element.updateCachedObject != nullptr) {
	rsc->mHal.funcs.element.updateCachedObject(rsc, this, (rs_element *)dstObj);
	} else {
	((const void *)dstObj) = this;
	}
	}

	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);
	}

	}
	}

	extern "C" 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();
	}

	extern "C" void rsaElementGetSubElements(RsContext con, RsElement elem, uintptr_t *ids,
	const char *names, size_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] = (uintptr_t)e->getField(i);
	names[i] = e->getFieldName(i);
	arraySizes[i] = e->getFieldArraySize(i);
	}
	}