LightVertex Struct Reference

Detailed description

A utility class to encapsulate all important information for a light subpath vertex

#include <bpt_utils.h>

Public Methods
FERMAT_HOST_DEVICE void	setup (const cugar::Vector4f &_pos, const uint2 &_packed_info1, const uint4 &_packed_info2, const PathWeights &_weights, const uint32 _depth, const RenderingContextView &renderer)
FERMAT_HOST_DEVICE void	setup (const Ray &ray, const Hit &hit, const cugar::Vector3f &_alpha, const PathWeights &_weights, const uint32 _depth, const RenderingContextView &renderer)
FERMAT_HOST_DEVICE void	setup (const Ray &ray, const Hit &hit, const cugar::Vector3f &_alpha, const TempPathWeights &_weights, const uint32 _depth, const RenderingContextView &renderer)
FERMAT_HOST_DEVICE void	setup (const cugar::Vector3f &_in, const VertexGeometryId &_v, const cugar::Vector3f &_alpha, const PathWeights &_weights, const uint32 _depth, const RenderingContextView &renderer)
FERMAT_HOST_DEVICE void	setup (const cugar::Vector3f &_in, const VertexGeometryId &_v, const cugar::Vector3f &_alpha, const TempPathWeights &_weights, const uint32 _depth, const RenderingContextView &renderer)
FERMAT_HOST_DEVICE	LightVertex (const cugar::Vector4f &_pos, const uint2 &_packed_info1, const uint4 &_packed_info2, const PathWeights &_weights, const uint32 _depth, const RenderingContextView &renderer)
FERMAT_HOST_DEVICE	LightVertex (const Ray &_ray, const Hit &_hit, const cugar::Vector3f &_alpha, const TempPathWeights &_weights, const uint32 _depth, const RenderingContextView &renderer)
FERMAT_HOST_DEVICE	LightVertex (const cugar::Vector3f &_in, const VertexGeometryId &_v, const cugar::Vector3f &_alpha, const TempPathWeights &_weights, const uint32 _depth, const RenderingContextView &renderer)
FERMAT_HOST_DEVICE FERMAT_FORCEINLINE bool	sample (const float z[3], Bsdf::ComponentType &out_comp, cugar::Vector3f &out, float &out_p, float &out_p_proj, cugar::Vector3f &out_g, bool RR=true, bool evaluate_full_bsdf=false, const Bsdf::ComponentType components=Bsdf::kAllComponents) const

Public Members
VertexGeometryId	geom_id
VertexGeometry	geom
cugar::Vector3f	in
cugar::Vector3f	alpha
PathWeights	weights
uint32	depth
MeshMaterial	material
Edf	edf
Bsdf	bsdf
float	prev_G_prime
float	prev_pG
float	pGp_sum

Member Function Documentation

sample()

FERMAT_HOST_DEVICE FERMAT_FORCEINLINE bool LightVertex::sample ( const float  z[3], Bsdf::ComponentType &  out_comp, cugar::Vector3f &  out, float &  out_p, float &  out_p_proj, cugar::Vector3f &  out_g, bool  RR = true, bool  evaluate_full_bsdf = false, const Bsdf::ComponentType  components = Bsdf::kAllComponents  ) const

inline

sample an outgoing direction

Parameters

z	the incoming direction
out_comp	the output component
out	the outgoing direction
out_p	the output solid angle pdf
out_p_proj	the output projected solid angle pdf
out_g	the output sample value = f/p_proj
RR	indicate whether to use Russian-Roulette or not
evaluate_full_bsdf	ndicate whether to evaluate the full BSDF, or just an unbiased estimate
components	the components to consider

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

• C:/p4research/research/jpantaleoni/Fermat-Public/src/bpt_utils.h