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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;
Type::Type()
{
mLODs = 0;
mLODCount = 0;
clear();
}
Type::~Type()
{
if (mLODs) {
delete [] mLODs;
}
}
void Type::clear()
{
if (mLODs) {
delete [] mLODs;
mLODs = NULL;
}
mDimX = 0;
mDimY = 0;
mDimZ = 0;
mDimLOD = 0;
mFaces = false;
mElement.clear();
}
TypeState::TypeState()
{
}
TypeState::~TypeState()
{
}
size_t Type::getOffsetForFace(uint32_t face) const
{
rsAssert(mFaces);
return 0;
}
void Type::compute()
{
//LOGE("compute");
uint32_t oldLODCount = mLODCount;
if (mDimLOD) {
uint32_t l2x = rsFindHighBit(mDimX) + 1;
uint32_t l2y = rsFindHighBit(mDimY) + 1;
uint32_t l2z = rsFindHighBit(mDimZ) + 1;
mLODCount = rsMax(l2x, l2y);
mLODCount = rsMax(mLODCount, l2z);
} else {
mLODCount = 1;
}
if (mLODCount != oldLODCount) {
delete [] mLODs;
mLODs = new LOD[mLODCount];
}
//LOGE("xyz %i %i %i", mDimX, mDimY, mDimZ);
//LOGE("mips %i", mLODCount);
//LOGE("e size %i", mElement->getSizeBytes());
uint32_t tx = mDimX;
uint32_t ty = mDimY;
uint32_t tz = mDimZ;
size_t offset = 0;
for (uint32_t lod=0; lod < mLODCount; lod++) {
mLODs[lod].mX = tx;
mLODs[lod].mY = ty;
mLODs[lod].mZ = tz;
mLODs[lod].mOffset = offset;
//LOGE("txyz %i %i %i", tx, ty, tz);
offset += tx * rsMax(ty, 1u) * rsMax(tz, 1u) * mElement->getSizeBytes();
tx >>= 1;
ty >>= 1;
tz >>= 1;
}
//LOGE("size %i", offset);
// At this point the offset is the size of a mipmap chain;
mMipChainSizeBytes = offset;
if (mFaces) {
offset *= 6;
}
mTotalSizeBytes = offset;
}
uint32_t Type::getLODOffset(uint32_t lod, uint32_t x) const
{
uint32_t offset = mLODs[lod].mOffset;
offset += x * mElement->getSizeBytes();
return offset;
}
uint32_t Type::getLODOffset(uint32_t lod, uint32_t x, uint32_t y) const
{
uint32_t offset = mLODs[lod].mOffset;
offset += (x + y * mLODs[lod].mX) * mElement->getSizeBytes();
return offset;
}
uint32_t Type::getLODOffset(uint32_t lod, uint32_t x, uint32_t y, uint32_t z) const
{
uint32_t offset = mLODs[lod].mOffset;
offset += (x + y*mLODs[lod].mX + z*mLODs[lod].mX*mLODs[lod].mY) * mElement->getSizeBytes();
return offset;
}
//////////////////////////////////////////////////
//
namespace android {
namespace renderscript {
void rsi_TypeBegin(Context *rsc, RsElement vse)
{
TypeState * stc = &rsc->mStateType;
stc->mX = 0;
stc->mY = 0;
stc->mZ = 0;
stc->mLOD = false;
stc->mFaces = false;
stc->mElement.set(static_cast<const Element *>(vse));
}
void rsi_TypeAdd(Context *rsc, RsDimension dim, size_t value)
{
TypeState * stc = &rsc->mStateType;
if (dim < 0) {
//error
return;
}
switch (dim) {
case RS_DIMENSION_X:
stc->mX = value;
return;
case RS_DIMENSION_Y:
stc->mY = value;
return;
case RS_DIMENSION_Z:
stc->mZ = value;
return;
case RS_DIMENSION_FACE:
stc->mFaces = (value != 0);
return;
case RS_DIMENSION_LOD:
stc->mLOD = (value != 0);
return;
default:
break;
}
int32_t arrayNum = dim - RS_DIMENSION_ARRAY_0;
if ((dim < 0) || (dim > RS_DIMENSION_MAX)) {
LOGE("rsTypeAdd: Bad dimension");
//error
return;
}
// todo: implement array support
}
RsType rsi_TypeCreate(Context *rsc)
{
TypeState * stc = &rsc->mStateType;
Type * st = new Type();
st->setDimX(stc->mX);
st->setDimY(stc->mY);
st->setDimZ(stc->mZ);
st->setElement(stc->mElement.get());
st->setDimLOD(stc->mLOD);
st->setDimFaces(stc->mFaces);
st->compute();
stc->mAllTypes.add(st);
return st;
}
void rsi_TypeDestroy(Context *rsc, RsType vst)
{
TypeState * stc = &rsc->mStateType;
Type * st = static_cast<Type *>(vst);
for (size_t ct = 0; ct < stc->mAllTypes.size(); ct++) {
if (stc->mAllTypes[ct] == st) {
stc->mAllTypes.removeAt(ct);
break;
}
}
delete st;
}
}
}
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