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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.
*/
#ifndef ANDROID_RS_BUILD_FOR_HOST
#include "rsContext.h"
#include <GLES/gl.h>
#else
#include "rsContextHostStub.h"
#include <OpenGL/gl.h>
#endif
using namespace android;
using namespace android::renderscript;
Element::Element(Context *rsc) : ObjectBase(rsc)
{
mBits = 0;
mAllocFile = __FILE__;
mAllocLine = __LINE__;
mFields = NULL;
mFieldCount = 0;
mHasReference = false;
}
Element::~Element()
{
for (uint32_t ct = 0; ct < mRSC->mStateElement.mElements.size(); ct++) {
if (mRSC->mStateElement.mElements[ct] == this) {
mRSC->mStateElement.mElements.removeAt(ct);
break;
}
}
clear();
}
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: components %i, size %i", prefix, mFieldCount, mBits);
for (uint32_t ct = 0; ct < mFieldCount; ct++) {
char buf[1024];
sprintf(buf, "%s component %i: ", prefix, ct);
//mComponents[ct]->dumpLOGV(buf);
}
}
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);
Element *elem = new Element(rsc);
elem->mComponent.loadFromStream(stream);
elem->mBits = elem->mComponent.getBits();
elem->mHasReference = elem->mComponent.isReference();
elem->mFieldCount = stream->loadU32();
if(elem->mFieldCount) {
uint32_t offset = 0;
elem->mFields = new ElementField_t [elem->mFieldCount];
for(uint32_t ct = 0; ct < elem->mFieldCount; ct ++) {
stream->loadString(&elem->mFields[ct].name);
elem->mFields[ct].arraySize = stream->loadU32();
Element *fieldElem = Element::createFromStream(rsc, stream);
elem->mFields[ct].e.set(fieldElem);
elem->mFields[ct].offsetBits = offset;
offset += fieldElem->getSizeBits();
// Check if our sub-elements have references
if(fieldElem->mHasReference) {
elem->mHasReference = true;
}
}
}
// We need to check if this already exists
for (uint32_t ct=0; ct < rsc->mStateElement.mElements.size(); ct++) {
Element *ee = rsc->mStateElement.mElements[ct];
if(ee->isEqual(elem)) {
delete elem;
ee->incUserRef();
return ee;
}
}
rsc->mStateElement.mElements.push(elem);
return elem;
}
bool Element::isEqual(const Element *other) const {
if(other == NULL) {
return false;
}
if (!other->getFieldCount() && !mFieldCount) {
if((other->getType() == getType()) &&
(other->getKind() == getKind()) &&
(other->getComponent().getIsNormalized() == getComponent().getIsNormalized()) &&
(other->getComponent().getVectorSize() == getComponent().getVectorSize())) {
return true;
}
return false;
}
if (other->getFieldCount() == mFieldCount) {
for (uint32_t i=0; i < mFieldCount; i++) {
if ((!other->mFields[i].e->isEqual(mFields[i].e.get())) ||
(other->mFields[i].name.length() != mFields[i].name.length()) ||
(other->mFields[i].name != mFields[i].name) ||
(other->mFields[i].arraySize != mFields[i].arraySize)) {
return false;
}
}
return true;
}
return false;
}
const Element * Element::create(Context *rsc, RsDataType dt, RsDataKind dk,
bool isNorm, uint32_t vecSize)
{
// Look for an existing match.
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
ee->incUserRef();
return ee;
}
}
Element *e = new Element(rsc);
e->mComponent.set(dt, dk, isNorm, vecSize);
e->mBits = e->mComponent.getBits();
e->mHasReference = e->mComponent.isReference();
rsc->mStateElement.mElements.push(e);
return e;
}
const Element * Element::create(Context *rsc, size_t count, const Element **ein,
const char **nin, const size_t * lengths, const uint32_t *asin)
{
// Look for an existing match.
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) {
ee->incUserRef();
return ee;
}
}
}
Element *e = new Element(rsc);
e->mFields = new ElementField_t [count];
e->mFieldCount = count;
size_t bits = 0;
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].offsetBits = bits;
e->mFields[ct].arraySize = asin[ct];
bits += ein[ct]->getSizeBits();
if (ein[ct]->mHasReference) {
e->mHasReference = true;
}
}
rsc->mStateElement.mElements.push(e);
return e;
}
String8 Element::getGLSLType(uint32_t indent) const
{
String8 s;
for (uint32_t ct=0; ct < indent; ct++) {
s.append(" ");
}
if (!mFieldCount) {
// Basic component.
s.append(mComponent.getGLSLType());
} else {
rsAssert(0);
//s.append("struct ");
//s.append(getCStructBody(indent));
}
return s;
}
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) {
p = &p[mFields[i].offsetBits >> 3];
for (uint32_t ct=0; ct < mFields[i].arraySize; ct++) {
mFields[i].e->incRefs(p);
p += 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) {
p = &p[mFields[i].offsetBits >> 3];
for (uint32_t ct=0; ct < mFields[i].arraySize; ct++) {
mFields[i].e->decRefs(p);
p += mFields[i].e->getSizeBytes();
}
}
}
}
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)
{
//LOGE("rsi_ElementCreate %i %i %i %i", dt, dk, norm, vecSize);
const Element *e = Element::create(rsc, dt, dk, norm, vecSize);
e->incUserRef();
return (RsElement)e;
}
RsElement rsi_ElementCreate2(Context *rsc,
size_t count,
const RsElement * ein,
const char ** names,
const size_t * nameLengths,
const uint32_t * arraySizes)
{
//LOGE("rsi_ElementCreate2 %i", count);
const Element *e = Element::create(rsc, count, (const Element **)ein, names, nameLengths, arraySizes);
e->incUserRef();
return (RsElement)e;
}
void rsi_ElementGetNativeData(Context *rsc, 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 rsi_ElementGetSubElements(Context *rsc, 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 ++) {
ids[i] = (uint32_t)e->getField(i);
names[i] = e->getFieldName(i);
}
}
}
}