BSDF Class Reference

#include <reflection.h>

List of all members.

Public Member Functions

Spectrum Sample_f (const Vector &o, Vector *wi, float u1, float u2, float u3, float *pdf, BxDFType flags=BSDF_ALL, BxDFType *sampledType=NULL) const
Spectrum Sample_f (const Vector &wo, Vector *wi, BxDFType flags=BSDF_ALL, BxDFType *sampledType=NULL) const
float Pdf (const Vector &wo, const Vector &wi, BxDFType flags=BSDF_ALL) const
 BSDF (const DifferentialGeometry &dgs, const Normal &ngeom, float eta=1.f)
void Add (BxDF *bxdf)
int NumComponents () const
int NumComponents (BxDFType flags) const
bool HasShadingGeometry () const
Vector WorldToLocal (const Vector &v) const
Vector LocalToWorld (const Vector &v) const
Spectrum f (const Vector &woW, const Vector &wiW, BxDFType flags=BSDF_ALL) const
Spectrum rho (BxDFType flags=BSDF_ALL) const
Spectrum rho (const Vector &wo, BxDFType flags=BSDF_ALL) const

Static Public Member Functions

static void * Alloc (u_int sz)
static void FreeAll ()

Public Attributes

const DifferentialGeometry dgShading
const float eta

Private Member Functions

 ~BSDF ()

Private Attributes

Normal nn
Normal ng
Vector sn
Vector tn
int nBxDFs
BxDF * bxdfs [MAX_BxDFS]

Static Private Attributes

static MemoryArena arena

Friends

class NoSuchClass

Detailed Description

Definition at line 65 of file reflection.h.

Constructor & Destructor Documentation

BSDF::BSDF ( const DifferentialGeometry &  dgs,
const Normal &  ngeom,
float  eta = 1.f 
)

Definition at line 450 of file reflection.cpp.

References Cross(), dgShading, DifferentialGeometry::dpdu, nBxDFs, ng, DifferentialGeometry::nn, nn, Normalize(), sn, and tn.

BSDF::~BSDF (  )  [inline, private]

Definition at line 106 of file reflection.h.

Member Function Documentation

Spectrum BSDF::Sample_f ( const Vector &  o,
Vector *  wi,
float  u1,
float  u2,
float  u3,
float *  pdf,
BxDFType  flags = BSDF_ALL,
BxDFType *  sampledType = NULL 
) const

Definition at line 385 of file reflection.cpp.

References Assert, BSDF_REFLECTION, BSDF_SPECULAR, BSDF_TRANSMISSION, bxdfs, Dot(), BxDF::f(), f(), Floor2Int(), LocalToWorld(), nBxDFs, ng, NumComponents(), BxDF::Pdf(), BxDF::Sample_f(), BxDF::type, and WorldToLocal().

Referenced by EstimateDirect(), BidirIntegrator::generatePath(), IrradianceCache::IndirectLo(), WhittedIntegrator::Li(), PhotonIntegrator::Li(), PathIntegrator::Li(), IrradianceCache::Li(), IGIIntegrator::Li(), ExPhotonIntegrator::Li(), DirectLighting::Li(), PhotonIntegrator::Preprocess(), IGIIntegrator::Preprocess(), ExPhotonIntegrator::Preprocess(), and Sample_f().

Spectrum BSDF::Sample_f ( const Vector &  wo,
Vector *  wi,
BxDFType  flags = BSDF_ALL,
BxDFType *  sampledType = NULL 
) const

Definition at line 377 of file reflection.cpp.

References Spectrum::Black(), f(), RandomFloat(), and Sample_f().

float BSDF::Pdf ( const Vector &  wo,
const Vector &  wi,
BxDFType  flags = BSDF_ALL 
) const

Definition at line 437 of file reflection.cpp.

References bxdfs, nBxDFs, BxDF::Pdf(), and WorldToLocal().

Referenced by EstimateDirect(), and ExPhotonIntegrator::Li().

void BSDF::Add ( BxDF *  bxdf  )  [inline]

Definition at line 373 of file reflection.h.

References Assert, bxdfs, MAX_BxDFS, and nBxDFs.

Referenced by UberMaterial::GetBSDF(), Translucent::GetBSDF(), Substrate::GetBSDF(), Skin::GetBSDF(), ShinyMetal::GetBSDF(), Primer::GetBSDF(), Plastic::GetBSDF(), Mirror::GetBSDF(), Matte::GetBSDF(), Glass::GetBSDF(), Felt::GetBSDF(), Clay::GetBSDF(), BrushedMetal::GetBSDF(), and BluePaint::GetBSDF().

int BSDF::NumComponents (  )  const [inline]

Definition at line 81 of file reflection.h.

Referenced by IrradianceCache::IndirectLo(), ExPhotonIntegrator::Li(), PhotonIntegrator::LPhoton(), ExPhotonIntegrator::LPhoton(), PhotonIntegrator::Preprocess(), ExPhotonIntegrator::Preprocess(), and Sample_f().

int BSDF::NumComponents ( BxDFType  flags  )  const [inline]

Definition at line 377 of file reflection.h.

References bxdfs, and nBxDFs.

bool BSDF::HasShadingGeometry (  )  const [inline]

Definition at line 83 of file reflection.h.

Vector BSDF::WorldToLocal ( const Vector &  v  )  const [inline]

Definition at line 86 of file reflection.h.

References Dot().

Referenced by f(), Pdf(), and Sample_f().

Vector BSDF::LocalToWorld ( const Vector &  v  )  const [inline]

Definition at line 89 of file reflection.h.

References Vector::x, Vector::y, and Vector::z.

Referenced by IrradianceCache::IndirectLo(), and Sample_f().

Spectrum BSDF::f ( const Vector &  woW,
const Vector &  wiW,
BxDFType  flags = BSDF_ALL 
) const

Definition at line 459 of file reflection.cpp.

References BSDF_REFLECTION, BSDF_TRANSMISSION, bxdfs, Dot(), BxDF::f(), nBxDFs, ng, and WorldToLocal().

Referenced by EstimateDirect(), BidirIntegrator::evalPath(), Skin::GetBSDF(), Primer::GetBSDF(), Felt::GetBSDF(), Clay::GetBSDF(), BrushedMetal::GetBSDF(), BluePaint::GetBSDF(), WhittedIntegrator::Li(), IGIIntegrator::Li(), ExPhotonIntegrator::Li(), BidirIntegrator::Li(), PhotonIntegrator::LPhoton(), ExPhotonIntegrator::LPhoton(), and Sample_f().

Spectrum BSDF::rho ( BxDFType  flags = BSDF_ALL  )  const

Definition at line 474 of file reflection.cpp.

References bxdfs, nBxDFs, and BxDF::rho().

Referenced by IrradianceCache::IndirectLo(), PhotonIntegrator::LPhoton(), ExPhotonIntegrator::LPhoton(), IGIIntegrator::Preprocess(), and ExPhotonIntegrator::Preprocess().

Spectrum BSDF::rho ( const Vector &  wo,
BxDFType  flags = BSDF_ALL 
) const

Definition at line 481 of file reflection.cpp.

References bxdfs, nBxDFs, and BxDF::rho().

static void* BSDF::Alloc ( u_int  sz  )  [inline, static]

Definition at line 99 of file reflection.h.

static void BSDF::FreeAll (  )  [inline, static]

Definition at line 100 of file reflection.h.

Referenced by PhotonIntegrator::Preprocess(), IGIIntegrator::Preprocess(), ExPhotonIntegrator::Preprocess(), and Scene::Render().

Friends And Related Function Documentation

friend class NoSuchClass [friend]

Definition at line 107 of file reflection.h.

Member Data Documentation

const DifferentialGeometry BSDF::dgShading

Definition at line 102 of file reflection.h.

Referenced by BSDF(), BidirIntegrator::generatePath(), IrradianceCache::IndirectLo(), WhittedIntegrator::Li(), PhotonIntegrator::Li(), PathIntegrator::Li(), IrradianceCache::Li(), IGIIntegrator::Li(), ExPhotonIntegrator::Li(), DirectLighting::Li(), DebugIntegrator::Li(), PhotonIntegrator::LPhoton(), ExPhotonIntegrator::LPhoton(), PhotonIntegrator::Preprocess(), IGIIntegrator::Preprocess(), and ExPhotonIntegrator::Preprocess().

const float BSDF::eta

Definition at line 103 of file reflection.h.

Referenced by WhittedIntegrator::Li(), PhotonIntegrator::Li(), IrradianceCache::Li(), IGIIntegrator::Li(), ExPhotonIntegrator::Li(), and DirectLighting::Li().

Normal BSDF::nn [private]

Definition at line 109 of file reflection.h.

Referenced by BSDF().

Normal BSDF::ng [private]

Definition at line 109 of file reflection.h.

Referenced by BSDF(), f(), and Sample_f().

Vector BSDF::sn [private]

Definition at line 110 of file reflection.h.

Referenced by BSDF().

Vector BSDF::tn [private]

Definition at line 110 of file reflection.h.

Referenced by BSDF().

int BSDF::nBxDFs [private]

Definition at line 111 of file reflection.h.

Referenced by Add(), BSDF(), f(), NumComponents(), Pdf(), rho(), and Sample_f().

BxDF* BSDF::bxdfs[MAX_BxDFS] [private]

Definition at line 113 of file reflection.h.

Referenced by Add(), f(), NumComponents(), Pdf(), rho(), and Sample_f().

MemoryArena BSDF::arena [static, private]

Definition at line 114 of file reflection.h.

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