bsdf_microfacet.h File Reference

Go to the source code of this file.

Classes
struct	BsdfMicrofacetGGXClosure
struct	BsdfMicrofacetBeckmannClosure
Typedefs
typedef CCL_NAMESPACE_BEGIN struct BsdfMicrofacetGGXClosure	BsdfMicrofacetGGXClosure
typedef struct BsdfMicrofacetBeckmannClosure	BsdfMicrofacetBeckmannClosure
Functions
__device void	bsdf_microfacet_ggx_setup (ShaderData *sd, ShaderClosure *sc, float ag, float eta, bool refractive)
__device void	bsdf_microfacet_ggx_blur (ShaderClosure *sc, float roughness)
__device float3	bsdf_microfacet_ggx_eval_reflect (const ShaderData *sd, const ShaderClosure *sc, const float3 I, const float3 omega_in, float *pdf)
__device float3	bsdf_microfacet_ggx_eval_transmit (const ShaderData *sd, const ShaderClosure *sc, const float3 I, const float3 omega_in, float *pdf)
__device float	bsdf_microfacet_ggx_albedo (const ShaderData *sd, const ShaderClosure *sc, const float3 I)
__device int	bsdf_microfacet_ggx_sample (const ShaderData *sd, const ShaderClosure *sc, float randu, float randv, float3 *eval, float3 *omega_in, float3 *domega_in_dx, float3 *domega_in_dy, float *pdf)
__device void	bsdf_microfacet_beckmann_setup (ShaderData *sd, ShaderClosure *sc, float ab, float eta, bool refractive)
__device void	bsdf_microfacet_beckmann_blur (ShaderClosure *sc, float roughness)
__device float3	bsdf_microfacet_beckmann_eval_reflect (const ShaderData *sd, const ShaderClosure *sc, const float3 I, const float3 omega_in, float *pdf)
__device float3	bsdf_microfacet_beckmann_eval_transmit (const ShaderData *sd, const ShaderClosure *sc, const float3 I, const float3 omega_in, float *pdf)
__device float	bsdf_microfacet_beckmann_albedo (const ShaderData *sd, const ShaderClosure *sc, const float3 I)
__device int	bsdf_microfacet_beckmann_sample (const ShaderData *sd, const ShaderClosure *sc, float randu, float randv, float3 *eval, float3 *omega_in, float3 *domega_in_dx, float3 *domega_in_dy, float *pdf)

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Typedef Documentation

typedef struct BsdfMicrofacetBeckmannClosure BsdfMicrofacetBeckmannClosure

typedef CCL_NAMESPACE_BEGIN struct BsdfMicrofacetGGXClosure BsdfMicrofacetGGXClosure

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Function Documentation

__device float bsdf_microfacet_beckmann_albedo	(	const ShaderData *	sd,
		const ShaderClosure *	sc,
		const float3	I
	)

Definition at line 371 of file bsdf_microfacet.h.

__device void bsdf_microfacet_beckmann_blur	(	ShaderClosure *	sc,
		float	roughness
	)

Definition at line 287 of file bsdf_microfacet.h.

References ShaderClosure::data0, and fmaxf.

Referenced by svm_bsdf_blur().

__device float3 bsdf_microfacet_beckmann_eval_reflect	(	const ShaderData *	sd,
		const ShaderClosure *	sc,
		const float3	I,
		const float3	omega_in,
		float *	pdf
	)

Definition at line 294 of file bsdf_microfacet.h.

References CLOSURE_BSDF_MICROFACET_BECKMANN_REFRACTION_ID, D(), ShaderClosure::data0, dot(), expf, G, M_PI_F, make_float3(), ShaderData::N, normalize(), sqrtf, and ShaderClosure::type.

Referenced by svm_bsdf_eval().

__device float3 bsdf_microfacet_beckmann_eval_transmit	(	const ShaderData *	sd,
		const ShaderClosure *	sc,
		const float3	I,
		const float3	omega_in,
		float *	pdf
	)

Definition at line 333 of file bsdf_microfacet.h.

References CLOSURE_BSDF_MICROFACET_BECKMANN_REFRACTION_ID, D(), ShaderClosure::data0, ShaderClosure::data1, dot(), expf, fabsf, G, I, M_PI_F, make_float3(), ShaderData::N, normalize(), sqrtf, and ShaderClosure::type.

Referenced by svm_bsdf_eval().

__device int bsdf_microfacet_beckmann_sample	(	const ShaderData *	sd,
		const ShaderClosure *	sc,
		float	randu,
		float	randv,
		float3 *	eval,
		float3 *	omega_in,
		float3 *	domega_in_dx,
		float3 *	domega_in_dy,
		float *	pdf
	)

Definition at line 376 of file bsdf_microfacet.h.

References __RAY_DIFFERENTIALS__, CLOSURE_BSDF_MICROFACET_BECKMANN_REFRACTION_ID, cosf, D(), ShaderClosure::data0, ShaderClosure::data1, ShaderData::dI, dot(), differential3::dx, differential3::dy, expf, fabsf, fresnel_dielectric(), G, ShaderData::I, LABEL_GLOSSY, LABEL_REFLECT, LABEL_TRANSMIT, logf, M_PI_F, make_float3(), make_orthonormals(), ShaderData::N, ShaderData::Ng, R, sinf, sqrtf, T, ShaderClosure::type, and X.

Referenced by svm_bsdf_sample().

__device void bsdf_microfacet_beckmann_setup	(	ShaderData *	sd,
		ShaderClosure *	sc,
		float	ab,
		float	eta,
		bool	refractive
	)

Definition at line 271 of file bsdf_microfacet.h.

References clamp, CLOSURE_BSDF_MICROFACET_BECKMANN_ID, CLOSURE_BSDF_MICROFACET_BECKMANN_REFRACTION_ID, ShaderClosure::data0, ShaderClosure::data1, credits_svn_gen::e, ShaderData::flag, SD_BSDF, SD_BSDF_GLOSSY, SD_BSDF_HAS_EVAL, and ShaderClosure::type.

Referenced by svm_node_closure_bsdf(), and svm_node_glossy_setup().

__device float bsdf_microfacet_ggx_albedo	(	const ShaderData *	sd,
		const ShaderClosure *	sc,
		const float3	I
	)

Definition at line 142 of file bsdf_microfacet.h.

__device void bsdf_microfacet_ggx_blur	(	ShaderClosure *	sc,
		float	roughness
	)

Definition at line 62 of file bsdf_microfacet.h.

References ShaderClosure::data0, and fmaxf.

Referenced by svm_bsdf_blur().

__device float3 bsdf_microfacet_ggx_eval_reflect	(	const ShaderData *	sd,
		const ShaderClosure *	sc,
		const float3	I,
		const float3	omega_in,
		float *	pdf
	)

Definition at line 69 of file bsdf_microfacet.h.

References CLOSURE_BSDF_MICROFACET_GGX_REFRACTION_ID, D(), ShaderClosure::data0, dot(), G, M_PI_F, make_float3(), ShaderData::N, normalize(), sqrtf, and ShaderClosure::type.

Referenced by svm_bsdf_eval().

__device float3 bsdf_microfacet_ggx_eval_transmit	(	const ShaderData *	sd,
		const ShaderClosure *	sc,
		const float3	I,
		const float3	omega_in,
		float *	pdf
	)

Definition at line 106 of file bsdf_microfacet.h.

References CLOSURE_BSDF_MICROFACET_GGX_REFRACTION_ID, D(), ShaderClosure::data0, ShaderClosure::data1, dot(), fabsf, G, I, M_PI_F, make_float3(), ShaderData::N, normalize(), sqrtf, and ShaderClosure::type.

Referenced by svm_bsdf_eval().

__device int bsdf_microfacet_ggx_sample	(	const ShaderData *	sd,
		const ShaderClosure *	sc,
		float	randu,
		float	randv,
		float3 *	eval,
		float3 *	omega_in,
		float3 *	domega_in_dx,
		float3 *	domega_in_dy,
		float *	pdf
	)

Definition at line 147 of file bsdf_microfacet.h.

References __RAY_DIFFERENTIALS__, CLOSURE_BSDF_MICROFACET_GGX_REFRACTION_ID, cosf, D(), ShaderClosure::data0, ShaderClosure::data1, ShaderData::dI, dot(), differential3::dx, differential3::dy, fabsf, fresnel_dielectric(), G, ShaderData::I, LABEL_GLOSSY, LABEL_REFLECT, LABEL_TRANSMIT, M_PI_F, make_float3(), make_orthonormals(), ShaderData::N, ShaderData::Ng, R, sinf, sqrtf, T, ShaderClosure::type, and X.

Referenced by svm_bsdf_sample().

__device void bsdf_microfacet_ggx_setup	(	ShaderData *	sd,
		ShaderClosure *	sc,
		float	ag,
		float	eta,
		bool	refractive
	)

Definition at line 46 of file bsdf_microfacet.h.

References clamp, CLOSURE_BSDF_MICROFACET_GGX_ID, CLOSURE_BSDF_MICROFACET_GGX_REFRACTION_ID, ShaderClosure::data0, ShaderClosure::data1, credits_svn_gen::e, ShaderData::flag, SD_BSDF, SD_BSDF_GLOSSY, SD_BSDF_HAS_EVAL, and ShaderClosure::type.

Referenced by svm_node_closure_bsdf(), and svm_node_glossy_setup().