SamplerFactory::SamplerFactory(const Parms& parms)
: numSamples1D(0), numSamples2D(0), numLightSamples(0),
samplesPerPixel(1), sampleSets(64), samples(NULL)
{
samplesPerPixel = parms.getInt("sampler.spp",1);
sampleSets = parms.getInt("sampler.sets",64);
}
Value next() {
if (parms_.endf(i_))
return parms_.end_state();
Value temp = parms_.deref(i_);
++i_;
return temp;
}
lcRenderer::lcRenderer(const Parms& parms)
: iteration(0)
{
/*! create integrator to use */
std::string _integrator = parms.getString("integrator","lcintegrator");
if (_integrator == "lcintegrator") integrator = new lcIntegrator(parms);
else throw std::runtime_error("unknown integrator type: "+_integrator);
/*! create sampler to use */
std::string _samplers = parms.getString("sampler","multijittered");
if (_samplers == "multijittered" ) samplers = new SamplerFactory(parms);
else throw std::runtime_error("unknown sampler type: "+_samplers);
/*! create pixel filter to use */
std::string _filter = parms.getString("filter","none");
if (_filter == "none" ) filter = NULL;
else if (_filter == "box" ) filter = new BoxFilter;
else if (_filter == "bspline") filter = new BSplineFilter;
else throw std::runtime_error("unknown filter type: "+_filter);
/*! get framebuffer configuration */
gamma = parms.getFloat("gamma",1.0f);
/*! show progress to the user */
showProgress = parms.getInt("showprogress",0);
}
vplIntegrator::vplIntegrator(const Parms& parms)
: lightSampleID(-1), firstScatterSampleID(-1), firstScatterTypeSampleID(-1)
{
maxDepth = parms.getInt ("maxDepth" ,10 );
minContribution = parms.getFloat("minContribution",0.01f );
epsilon = parms.getFloat("epsilon" ,32.0f)*float(ulp);
backplate = parms.getImage("backplate");
}
PathTraceIntegrator::PathTraceIntegrator(const Parms& parms)
: lightSampleID(-1), firstScatterSampleID(-1), firstScatterTypeSampleID(-1), sampleLightForGlossy(false)
{
maxDepth = parms.getInt ("maxDepth" ,10 );
minContribution = parms.getFloat("minContribution",0.01f );
epsilon = parms.getFloat("epsilon" ,32.0f)*float(ulp);
backplate = parms.getImage("backplate");
sampleLightForGlossy = parms.getInt ("sampleLightForGlossy",0);
}
HDRILight::HDRILight(const Parms& parms)
: width(0), height(0), pixels(null)
{
local2world = parms.getTransform("local2world",one);
world2local = rcp(local2world);
L = parms.getColor("L",one);
pixels = parms.getImage("image");
if (pixels == null) pixels = new Image3f(5,5,one);
width = (unsigned) pixels->width;
height = (unsigned) pixels->height;
Array2D<float> importance(height,width);
for (size_t y = 0; y < height; y++)
for (size_t x = 0; x < width; x++)
importance.set(y, x, sinf(float(pi)*(y+0.5f)*rcp(float(height))) * reduce_add(pixels->get(x,y)));
distribution = new Distribution2D(importance,width,height);
}
TriangleMeshWithNormals::TriangleMeshWithNormals(const Parms& parms)
: Shape(parms)
{
if (Variant v = parms.getData("positions")) {
if (!v.data || v.type != Variant::FLOAT3) throw std::runtime_error("wrong position format");
vertices.resize(v.data->size());
for (size_t i=0; i<v.data->size(); i++) vertices[i].p = v.data->getVector3f(i);
}
if (Variant v = parms.getData("normals")) {
if (!v.data || v.type != Variant::FLOAT3) throw std::runtime_error("wrong normal format");
vertices.resize(v.data->size());
for (size_t i=0; i<v.data->size(); i++) vertices[i].n = v.data->getVector3f(i);
}
if (Variant v = parms.getData("indices")) {
if (!v.data || v.type != Variant::INT3) throw std::runtime_error("wrong triangle format");
triangles.resize(v.data->size());
for (size_t i=0; i<v.data->size(); i++) triangles[i] = v.data->getVector3i(i);
}
}
VectorHashTable<Parms>::VectorHashTable(size_type i, const Parms & p)
: parms_(p), size_(0)
{
if (i <= 19) {
i = 19;
} else {
size_type j = ((i - 3)/4)*4 + 3;
if (j == i)
i = j;
else
i = j + 4;
Primes p(static_cast<size_type>(sqrt(static_cast<double>(i))+2));
for (;;) {
if (i > p.max_num())
p.resize(static_cast<size_type>(sqrt(static_cast<double>(i))+2));
if (p.is_prime(i) && p.is_prime(i-2))
break;
i += 4;
}
}
vector_.resize(i);
nonexistent_vector();
}
TriangleMeshFull::TriangleMeshFull (const Parms& parms)
: Shape(parms)
{
if (Variant v = parms.getData("positions")) {
if (!v.data || v.type != Variant::FLOAT3) throw std::runtime_error("wrong position format");
position.resize(v.data->size());
for (size_t i=0; i<v.data->size(); i++) position[i] = v.data->getVector3f(i);
}
if (Variant v = parms.getData("motions")) {
if (!v.data || v.type != Variant::FLOAT3) throw std::runtime_error("wrong motion vector format");
motion.resize(v.data->size());
for (size_t i=0; i<v.data->size(); i++) motion[i] = v.data->getVector3f(i);
}
if (Variant v = parms.getData("normals")) {
if (!v.data || v.type != Variant::FLOAT3) throw std::runtime_error("wrong normal format");
normal.resize(v.data->size());
for (size_t i=0; i<v.data->size(); i++) normal[i] = v.data->getVector3f(i);
}
if (Variant v = parms.getData("tangent_x")) {
if (!v.data || v.type != Variant::FLOAT3) throw std::runtime_error("wrong tangent format");
tangent_x.resize(v.data->size());
for (size_t i=0; i<v.data->size(); i++) tangent_x[i] = v.data->getVector3f(i);
}
if (Variant v = parms.getData("tangent_y")) {
if (!v.data || v.type != Variant::FLOAT3) throw std::runtime_error("wrong tangent format");
tangent_y.resize(v.data->size());
for (size_t i=0; i<v.data->size(); i++) tangent_y[i] = v.data->getVector3f(i);
}
if (Variant v = parms.getData("texcoords")) {
if (!v.data || v.type != Variant::FLOAT2) throw std::runtime_error("wrong texcoords0 format");
texcoord.resize(v.data->size());
for (size_t i=0; i<v.data->size(); i++) texcoord[i] = v.data->getVec2f(i);
}
if (Variant v = parms.getData("texcoords0")) {
if (!v.data || v.type != Variant::FLOAT2) throw std::runtime_error("wrong texcoords0 format");
texcoord.resize(v.data->size());
for (size_t i=0; i<v.data->size(); i++) texcoord[i] = v.data->getVec2f(i);
}
if (Variant v = parms.getData("indices")) {
if (!v.data || v.type != Variant::INT3) throw std::runtime_error("wrong triangle format");
triangles.resize(v.data->size());
for (size_t i=0; i<v.data->size(); i++) triangles[i] = v.data->getVector3i(i);
}
}
MaterialRenderer::MaterialRenderer(const Parms& parms) {
maxDepth = parms.getInt("maxDepth",1); // NOT USED FOR THE MOMENT...
}
OpenGLRenderer::OpenGLRenderer(const Parms& parms) {
OpenGLRenderer::fb_size_w = parms.getInt("width",128);
OpenGLRenderer::fb_size_h = parms.getInt("height",128);
linedrawing = parms.getBool("linedraw",true);
}
bool at_end() const {
return parms_.endf(i_);
}
DebugRenderer::DebugRenderer(const Parms& parms)
{
maxDepth = parms.getInt("maxDepth",1);
spp = parms.getInt("sampler.spp",1);
}
DebugRenderer::DebugRenderer(const Parms& parms) : accumulate(false) {
maxDepth = parms.getInt("maxDepth",1);
spp = parms.getInt("sampler.spp",1);
}