cugar::GGXVCavityMicrofacetDistribution Struct Reference

Detailed description

Implements the GGX microfacet distribution with the V-cavities shadow-masking model, using the importance sampling scheme described in Algorithm 3 of:

https://hal.inria.fr/hal-00996995v1/document

#include <ggx.h>

Public Methods
CUGAR_FORCEINLINE CUGAR_HOST_DEVICE	GGXVCavityMicrofacetDistribution (const float _roughness)
CUGAR_FORCEINLINE CUGAR_HOST_DEVICE float	p (const DifferentialGeometry &geometry, const Vector3f V, const Vector3f H) const
CUGAR_FORCEINLINE CUGAR_HOST_DEVICE void	sample (const Vector3f u, const DifferentialGeometry &geometry, const Vector3f V, Vector3f &H, float &p) const

Public Members
float	roughness
float	inv_roughness

Member Function Documentation

p()

CUGAR_FORCEINLINE CUGAR_HOST_DEVICE float cugar::GGXVCavityMicrofacetDistribution::p ( const DifferentialGeometry &  geometry, const Vector3f  V, const Vector3f  H  ) const

inline

evaluate the pdf of sampling H given V, p(H|V) = p(V,H)

sample()

CUGAR_FORCEINLINE CUGAR_HOST_DEVICE void cugar::GGXVCavityMicrofacetDistribution::sample ( const Vector3f  u, const DifferentialGeometry &  geometry, const Vector3f  V, Vector3f &  H, float &  p  ) const

inline

sample H given V and return the pdf p

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

• C:/p4research/research/jpantaleoni/Fermat-Public/contrib/cugar/bsdf/ggx.h