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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"
#include <GLES/gl.h>
using namespace android;
using namespace android::renderscript;
Type::Type(Context *rsc) : ObjectBase(rsc)
{
mAllocFile = __FILE__;
mAllocLine = __LINE__;
mLODs = 0;
mLODCount = 0;
memset(&mGL, 0, sizeof(mGL));
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()
{
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];
}
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;
offset += tx * rsMax(ty, 1u) * rsMax(tz, 1u) * mElement->getSizeBytes();
tx = (tx + 1) >> 1;
ty = (ty + 1) >> 1;
tz = (tz + 1) >> 1;
}
// At this point the offset is the size of a mipmap chain;
mMipChainSizeBytes = offset;
if (mFaces) {
offset *= 6;
}
mTotalSizeBytes = offset;
makeGLComponents();
}
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;
}
void Type::makeGLComponents()
{
uint32_t texNum = 0;
memset(&mGL, 0, sizeof(mGL));
for (uint32_t ct=0; ct < getElement()->getComponentCount(); ct++) {
const Component *c = getElement()->getComponent(ct);
switch(c->getKind()) {
case Component::X:
rsAssert(mGL.mVtx.size == 0);
mGL.mVtx.size = 1;
mGL.mVtx.offset = mElement->getComponentOffsetBytes(ct);
mGL.mVtx.type = c->getGLType();
break;
case Component::Y:
rsAssert(mGL.mVtx.size == 1);
rsAssert(mGL.mVtx.type == c->getGLType());
mGL.mVtx.size = 2;
break;
case Component::Z:
rsAssert(mGL.mVtx.size == 2);
rsAssert(mGL.mVtx.type == c->getGLType());
mGL.mVtx.size = 3;
break;
case Component::W:
rsAssert(mGL.mVtx.size == 4);
rsAssert(mGL.mVtx.type == c->getGLType());
mGL.mVtx.size = 4;
break;
case Component::RED:
rsAssert(mGL.mColor.size == 0);
mGL.mColor.size = 1;
mGL.mColor.offset = mElement->getComponentOffsetBytes(ct);
mGL.mColor.type = c->getGLType();
break;
case Component::GREEN:
rsAssert(mGL.mColor.size == 1);
rsAssert(mGL.mColor.type == c->getGLType());
mGL.mColor.size = 2;
break;
case Component::BLUE:
rsAssert(mGL.mColor.size == 2);
rsAssert(mGL.mColor.type == c->getGLType());
mGL.mColor.size = 3;
break;
case Component::ALPHA:
// Can be RGBA or A at this point
if (mGL.mColor.size > 0) {
rsAssert(mGL.mColor.size == 3);
rsAssert(mGL.mColor.type == c->getGLType());
mGL.mColor.size = 4;
} else {
mGL.mColor.size = 1;
mGL.mColor.offset = mElement->getComponentOffsetBytes(ct);
mGL.mColor.type = c->getGLType();
}
break;
case Component::NX:
rsAssert(mGL.mNorm.size == 0);
mGL.mNorm.size = 1;
mGL.mNorm.offset = mElement->getComponentOffsetBytes(ct);
mGL.mNorm.type = c->getGLType();
break;
case Component::NY:
rsAssert(mGL.mNorm.size == 1);
rsAssert(mGL.mNorm.type == c->getGLType());
mGL.mNorm.size = 2;
break;
case Component::NZ:
rsAssert(mGL.mNorm.size == 2);
rsAssert(mGL.mNorm.type == c->getGLType());
mGL.mNorm.size = 3;
break;
case Component::S:
if (mGL.mTex[texNum].size) {
texNum++;
}
mGL.mTex[texNum].size = 1;
mGL.mTex[texNum].offset = mElement->getComponentOffsetBytes(ct);
mGL.mTex[texNum].type = c->getGLType();
break;
case Component::T:
rsAssert(mGL.mTex[texNum].size == 1);
rsAssert(mGL.mTex[texNum].type == c->getGLType());
mGL.mTex[texNum].size = 2;
break;
case Component::R:
rsAssert(mGL.mTex[texNum].size == 2);
rsAssert(mGL.mTex[texNum].type == c->getGLType());
mGL.mTex[texNum].size = 3;
break;
case Component::Q:
rsAssert(mGL.mTex[texNum].size == 3);
rsAssert(mGL.mTex[texNum].type == c->getGLType());
mGL.mTex[texNum].size = 4;
break;
case Component::POINT_SIZE:
rsAssert(!mGL.mPointSize.size);
mGL.mPointSize.size = 1;
mGL.mPointSize.offset = mElement->getComponentOffsetBytes(ct);
mGL.mPointSize.type = c->getGLType();
break;
default:
break;
}
}
}
void Type::enableGLVertexBuffer(VertexArray *va) const
{
// Note: We are only going to enable buffers and never disable them
// here. The reasonis more than one Allocation may be used as a vertex
// source. So we cannot disable arrays that may have been in use by
// another allocation.
uint32_t stride = mElement->getSizeBytes();
if (mGL.mVtx.size) {
va->setPosition(mGL.mVtx.size,
mGL.mVtx.type,
stride,
mGL.mVtx.offset);
}
if (mGL.mNorm.size) {
va->setNormal(mGL.mNorm.type,
stride,
mGL.mNorm.offset);
}
if (mGL.mColor.size) {
va->setColor(mGL.mColor.size,
mGL.mColor.type,
stride,
mGL.mColor.offset);
}
for (uint32_t ct=0; ct < RS_MAX_TEXTURE; ct++) {
if (mGL.mTex[ct].size) {
va->setTexture(mGL.mTex[ct].size,
mGL.mTex[ct].type,
stride,
mGL.mTex[ct].offset,
ct);
}
}
if (mGL.mPointSize.size) {
va->setPointSize(mGL.mPointSize.type,
stride,
mGL.mPointSize.offset);
}
}
void Type::dumpLOGV(const char *prefix) const
{
char buf[1024];
ObjectBase::dumpLOGV(prefix);
LOGV("%s Type: x=%i y=%i z=%i mip=%i face=%i", prefix, mDimX, mDimY, mDimZ, mDimLOD, mFaces);
sprintf(buf, "%s element: ", prefix);
mElement->dumpLOGV(buf);
}
//////////////////////////////////////////////////
//
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(rsc);
st->incUserRef();
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->mElement.clear();
return st;
}
}
}