BidirIntegrator Class Reference

Inheritance diagram for BidirIntegrator:

List of all members.

Public Member Functions
Spectrum	Li (const Scene *scene, const RayDifferential &ray, const Sample *sample, float *alpha) const
void	RequestSamples (Sample *sample, const Scene *scene)
Private Member Functions
int	generatePath (const Scene *scene, const Ray &r, const Sample *sample, const int *bsdfOffset, const int *bsdfCompOffset, BidirVertex *vertices, int maxVerts) const
float	weightPath (BidirVertex *eye, int nEye, BidirVertex *light, int nLight) const
Spectrum	evalPath (const Scene *scene, BidirVertex *eye, int nEye, BidirVertex *light, int nLight) const
Static Private Member Functions
static float	G (const BidirVertex &v0, const BidirVertex &v1)
static bool	visible (const Scene *scene, const Point &P0, const Point &P1)
Private Attributes
int	eyeBSDFOffset [MAX_VERTS]
int	eyeBSDFCompOffset [MAX_VERTS]
int	lightBSDFOffset [MAX_VERTS]
int	lightBSDFCompOffset [MAX_VERTS]
int	directLightOffset [MAX_VERTS]
int	directLightNumOffset [MAX_VERTS]
int	directBSDFOffset [MAX_VERTS]
int	directBSDFCompOffset [MAX_VERTS]
int	lightNumOffset
int	lightPosOffset
int	lightDirOffset

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Detailed Description

Definition at line 31 of file bidirectional.cpp.

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Member Function Documentation

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

Implements Integrator.

Definition at line 80 of file bidirectional.cpp.

References AbsDot(), BidirVertex::bsdf, BidirVertex::bsdfWeight, directBSDFCompOffset, directBSDFOffset, directLightNumOffset, directLightOffset, evalPath(), eyeBSDFCompOffset, eyeBSDFOffset, BSDF::f(), Floor2Int(), generatePath(), lightBSDFCompOffset, lightBSDFOffset, lightDirOffset, lightNumOffset, lightPosOffset, Scene::lights, MAX_VERTS, Sample::oneD, BidirVertex::rrWeight, Sample::twoD, UniformSampleOneLight(), and weightPath().

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

Reimplemented from Integrator.

Definition at line 65 of file bidirectional.cpp.

References Sample::Add1D(), Sample::Add2D(), directBSDFCompOffset, directBSDFOffset, directLightNumOffset, directLightOffset, eyeBSDFCompOffset, eyeBSDFOffset, lightBSDFCompOffset, lightBSDFOffset, lightDirOffset, lightNumOffset, lightPosOffset, and MAX_VERTS.

int BidirIntegrator::generatePath	(	const Scene *	scene,
		const Ray &	r,
		const Sample *	sample,
		const int *	bsdfOffset,
		const int *	bsdfCompOffset,
		BidirVertex *	vertices,
		int	maxVerts
	)			const [private]

Definition at line 132 of file bidirectional.cpp.

References AbsDot(), Spectrum::Black(), BidirVertex::bsdf, BSDF_ALL, BidirVertex::bsdfWeight, Ray::d, Intersection::dg, BSDF::dgShading, DistanceSquared(), BidirVertex::flags, Intersection::GetBSDF(), Scene::Intersect(), BidirVertex::ng, DifferentialGeometry::nn, BidirVertex::ns, Ray::o, Sample::oneD, DifferentialGeometry::p, BidirVertex::p, RandomFloat(), BidirVertex::rrWeight, BSDF::Sample_f(), Sample::twoD, BidirVertex::wi, and BidirVertex::wo.

Referenced by Li().

float BidirIntegrator::weightPath	(	BidirVertex *	eye,
		int	nEye,
		BidirVertex *	light,
		int	nLight
	)			const [private]

Definition at line 175 of file bidirectional.cpp.

Referenced by Li().

Spectrum BidirIntegrator::evalPath	(	const Scene *	scene,
		BidirVertex *	eye,
		int	nEye,
		BidirVertex *	light,
		int	nLight
	)			const [private]

Definition at line 179 of file bidirectional.cpp.

References AbsDot(), Spectrum::Black(), BidirVertex::bsdf, BidirVertex::bsdfWeight, BSDF::f(), G(), BidirVertex::p, BidirVertex::rrWeight, visible(), BidirVertex::wi, and BidirVertex::wo.

Referenced by Li().

float BidirIntegrator::G	(	const BidirVertex &	v0,
		const BidirVertex &	v1
	)			[static, private]

Definition at line 201 of file bidirectional.cpp.

References AbsDot(), DistanceSquared(), BidirVertex::ng, Normalize(), and BidirVertex::p.

Referenced by evalPath().

bool BidirIntegrator::visible	(	const Scene *	scene,
		const Point &	P0,
		const Point &	P1
	)			[static, private]

Definition at line 206 of file bidirectional.cpp.

References Scene::IntersectP(), and RAY_EPSILON.

Referenced by evalPath().

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Member Data Documentation

int BidirIntegrator::eyeBSDFOffset[MAX_VERTS] [private]

Definition at line 48 of file bidirectional.cpp.

Referenced by Li(), and RequestSamples().

int BidirIntegrator::eyeBSDFCompOffset[MAX_VERTS] [private]

Definition at line 48 of file bidirectional.cpp.

Referenced by Li(), and RequestSamples().

int BidirIntegrator::lightBSDFOffset[MAX_VERTS] [private]

Definition at line 49 of file bidirectional.cpp.

Referenced by Li(), and RequestSamples().

int BidirIntegrator::lightBSDFCompOffset[MAX_VERTS] [private]

Definition at line 49 of file bidirectional.cpp.

Referenced by Li(), and RequestSamples().

int BidirIntegrator::directLightOffset[MAX_VERTS] [private]

Definition at line 50 of file bidirectional.cpp.

Referenced by Li(), and RequestSamples().

int BidirIntegrator::directLightNumOffset[MAX_VERTS] [private]

Definition at line 50 of file bidirectional.cpp.

Referenced by Li(), and RequestSamples().

int BidirIntegrator::directBSDFOffset[MAX_VERTS] [private]

Definition at line 51 of file bidirectional.cpp.

Referenced by Li(), and RequestSamples().

int BidirIntegrator::directBSDFCompOffset[MAX_VERTS] [private]

Definition at line 51 of file bidirectional.cpp.

Referenced by Li(), and RequestSamples().

int BidirIntegrator::lightNumOffset [private]

Definition at line 52 of file bidirectional.cpp.

Referenced by Li(), and RequestSamples().

int BidirIntegrator::lightPosOffset [private]

Definition at line 52 of file bidirectional.cpp.

Referenced by Li(), and RequestSamples().

int BidirIntegrator::lightDirOffset [private]

Definition at line 52 of file bidirectional.cpp.

Referenced by Li(), and RequestSamples().

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

• bidirectional.cpp