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mitsuba
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merge

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Wenzel Jakob 2011-06-03 20:26:04 +02:00
parent b90fb2b125 865a989c5e
commit b15e23dd9d
1 changed files with 17 additions and 10 deletions
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27
src/bsdfs/composite.cpp
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@ -219,12 +219,17 @@ public:
Spectrum sample(BSDFQueryRecord &bRec, Float &pdf, const Point2 &_sample) const {
Point2 sample(_sample);
if (bRec.component == -1) {
Float componentPDF;
int entry = m_pdf.sampleReuse(sample.x, componentPDF);
Spectrum result = m_bsdfs[entry]->sample(bRec, pdf, sample);
int entry = m_pdf.sampleReuse(sample.x);
m_bsdfs[entry]->sample(bRec, sample);
bRec.sampledComponent += m_bsdfOffset[entry];
pdf *= componentPDF;
return result * m_bsdfWeight[entry];
if (bRec.sampledType & BSDF::EDelta) {
pdf = pdfDelta(bRec);
return fDelta(bRec);
} else {
pdf = Composite::pdf(bRec);
return f(bRec);
}
} else {
/* Pick out an individual component */
for (size_t i=0; i<m_bsdfCount; ++i) {
@ -247,12 +252,14 @@ public:
Spectrum sample(BSDFQueryRecord &bRec, const Point2 &_sample) const {
Point2 sample(_sample);
if (bRec.component == -1) {
Float componentPDF;
int entry = m_pdf.sampleReuse(sample.x, componentPDF);
Spectrum result = m_bsdfs[entry]->sample(bRec, sample);
result /= componentPDF;
int entry = m_pdf.sampleReuse(sample.x);
m_bsdfs[entry]->sample(bRec, sample);
bRec.sampledComponent += m_bsdfOffset[entry];
return result * m_bsdfWeight[entry];
if (bRec.sampledType & BSDF::EDelta)
return fDelta(bRec)/pdfDelta(bRec);
else
return f(bRec)/pdf(bRec);
} else {
/* Pick out an individual component */
for (size_t i=0; i<m_bsdfCount; ++i) {