IGIIntegrator Class Reference

Inheritance diagram for IGIIntegrator:

List of all members.

Public Member Functions
	IGIIntegrator (int nl, int ns, float md, float rrt, float is)
Spectrum	Li (const Scene *scene, const RayDifferential &ray, const Sample *sample, float *alpha) const
void	RequestSamples (Sample *sample, const Scene *scene)
void	Preprocess (const Scene *)
Private Attributes
u_int	nLightPaths
u_int	nLightSets
vector< VirtualLight > *	virtualLights
int	specularDepth
int	maxSpecularDepth
float	minDist2
float	rrThreshold
float	indirectScale
int	vlSetOffset
int *	lightSampleOffset
int	lightNumOffset
int *	bsdfSampleOffset
int *	bsdfComponentOffset

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Detailed Description

Definition at line 41 of file igi.cpp.

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Constructor & Destructor Documentation

IGIIntegrator::IGIIntegrator	(	int	nl,
		int	ns,
		float	md,
		float	rrt,
		float	is
	)

Definition at line 64 of file igi.cpp.

References indirectScale, maxSpecularDepth, minDist2, nLightPaths, nLightSets, RoundUpPow2(), rrThreshold, specularDepth, and virtualLights.

Referenced by CreateSurfaceIntegrator().

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Member Function Documentation

Spectrum IGIIntegrator::Li	(	const Scene *	scene,
		const RayDifferential &	ray,
		const Sample *	sample,
		float *	alpha
	)			const [virtual]

Implements Integrator.

Definition at line 170 of file igi.cpp.

References AbsDot(), Spectrum::Black(), BSDF_REFLECTION, BSDF_SPECULAR, BSDF_TRANSMISSION, bsdfComponentOffset, bsdfSampleOffset, Ray::d, Intersection::dg, BSDF::dgShading, DistanceSquared(), DifferentialGeometry::dndu, DifferentialGeometry::dndv, Dot(), DifferentialGeometry::dpdx, DifferentialGeometry::dpdy, DifferentialGeometry::dudx, DifferentialGeometry::dudy, DifferentialGeometry::dvdx, DifferentialGeometry::dvdy, BSDF::eta, BSDF::f(), Intersection::GetBSDF(), RayDifferential::hasDifferentials, indirectScale, Scene::Intersect(), Scene::IntersectP(), VirtualLight::Le, Intersection::Le(), Scene::Li(), Scene::lights, lightSampleOffset, maxSpecularDepth, minDist2, VirtualLight::n, nLightSets, DifferentialGeometry::nn, Normalize(), Ray::o, Sample::oneD, VirtualLight::p, DifferentialGeometry::p, RandomFloat(), RAY_EPSILON, rrThreshold, RayDifferential::rx, RayDifferential::ry, BSDF::Sample_f(), SmoothStep(), specularDepth, Scene::Transmittance(), UniformSampleAllLights(), virtualLights, vlSetOffset, and Spectrum::y().

void IGIIntegrator::RequestSamples	(	Sample *	sample,
		const Scene *	scene
	)			[virtual]

Reimplemented from Integrator.

Definition at line 75 of file igi.cpp.

References Sample::Add1D(), Sample::Add2D(), bsdfComponentOffset, bsdfSampleOffset, lightNumOffset, Scene::lights, lightSampleOffset, Light::nSamples, Sampler::RoundSize(), Scene::sampler, and vlSetOffset.

void IGIIntegrator::Preprocess

(

const Scene *

scene

)

[virtual]

Reimplemented from Integrator.

Definition at line 93 of file igi.cpp.

References AbsDot(), Spectrum::Black(), BSDF_ALL, ComputeStep1dCDF(), Ray::d, BSDF::dgShading, Floor2Int(), BSDF::FreeAll(), Scene::Intersect(), LDShuffleScrambled1D(), LDShuffleScrambled2D(), Scene::lights, M_PI, nLightPaths, nLightSets, DifferentialGeometry::nn, RandomFloat(), BSDF::rho(), BSDF::Sample_f(), Light::Sample_L(), SampleStep1d(), Scene::Transmittance(), virtualLights, and Spectrum::y().

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Member Data Documentation

u_int IGIIntegrator::nLightPaths [private]

Definition at line 52 of file igi.cpp.

Referenced by CreateSurfaceIntegrator(), IGIIntegrator(), and Preprocess().

u_int IGIIntegrator::nLightSets [private]

Definition at line 52 of file igi.cpp.

Referenced by CreateSurfaceIntegrator(), IGIIntegrator(), Li(), and Preprocess().

vector<VirtualLight>* IGIIntegrator::virtualLights [private]

Definition at line 53 of file igi.cpp.

Referenced by IGIIntegrator(), Li(), and Preprocess().

int IGIIntegrator::specularDepth [mutable, private]

Definition at line 54 of file igi.cpp.

Referenced by IGIIntegrator(), and Li().

int IGIIntegrator::maxSpecularDepth [private]

Definition at line 55 of file igi.cpp.

Referenced by IGIIntegrator(), and Li().

float IGIIntegrator::minDist2 [private]

Definition at line 56 of file igi.cpp.

Referenced by IGIIntegrator(), and Li().

float IGIIntegrator::rrThreshold [private]

Definition at line 56 of file igi.cpp.

Referenced by IGIIntegrator(), and Li().

float IGIIntegrator::indirectScale [private]

Definition at line 56 of file igi.cpp.

Referenced by IGIIntegrator(), and Li().

int IGIIntegrator::vlSetOffset [private]

Definition at line 57 of file igi.cpp.

Referenced by Li(), and RequestSamples().

int* IGIIntegrator::lightSampleOffset [private]

Definition at line 59 of file igi.cpp.

Referenced by Li(), and RequestSamples().

int IGIIntegrator::lightNumOffset [private]

Definition at line 59 of file igi.cpp.

Referenced by RequestSamples().

int* IGIIntegrator::bsdfSampleOffset [private]

Definition at line 60 of file igi.cpp.

Referenced by Li(), and RequestSamples().

int * IGIIntegrator::bsdfComponentOffset [private]

Definition at line 60 of file igi.cpp.

Referenced by Li(), and RequestSamples().

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The documentation for this class was generated from the following file:

• igi.cpp