bsdf_oren_nayar.h File Reference

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Classes
struct	BsdfOrenNayarClosure
Typedefs
typedef CCL_NAMESPACE_BEGIN struct BsdfOrenNayarClosure	BsdfOrenNayarClosure
Functions
__device float3	bsdf_oren_nayar_get_intensity (const ShaderClosure *sc, float3 n, float3 v, float3 l)
__device void	bsdf_oren_nayar_setup (ShaderData *sd, ShaderClosure *sc, float sigma)
__device void	bsdf_oren_nayar_blur (ShaderClosure *sc, float roughness)
__device float3	bsdf_oren_nayar_eval_reflect (const ShaderData *sd, const ShaderClosure *sc, const float3 I, const float3 omega_in, float *pdf)
__device float3	bsdf_oren_nayar_eval_transmit (const ShaderData *sd, const ShaderClosure *sc, const float3 I, const float3 omega_in, float *pdf)
__device float	bsdf_oren_nayar_albedo (const ShaderData *sd, const ShaderClosure *sc, const float3 I)
__device int	bsdf_oren_nayar_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 CCL_NAMESPACE_BEGIN struct BsdfOrenNayarClosure BsdfOrenNayarClosure

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Function Documentation

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

Definition at line 114 of file bsdf_oren_nayar.h.

__device void bsdf_oren_nayar_blur	(	ShaderClosure *	sc,
		float	roughness
	)

Definition at line 93 of file bsdf_oren_nayar.h.

Referenced by svm_bsdf_blur().

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

Definition at line 97 of file bsdf_oren_nayar.h.

References bsdf_oren_nayar_get_intensity(), dot(), M_1_PI_F, make_float3(), and ShaderData::N.

Referenced by svm_bsdf_eval().

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

Definition at line 109 of file bsdf_oren_nayar.h.

References make_float3().

Referenced by svm_bsdf_eval().

__device float3 bsdf_oren_nayar_get_intensity	(	const ShaderClosure *	sc,
		float3	n,
		float3	v,
		float3	l
	)

Definition at line 54 of file bsdf_oren_nayar.h.

References ShaderClosure::data0, ShaderClosure::data1, dot(), credits_svn_gen::e, make_float3(), max, normalize(), and sqrtf.

Referenced by bsdf_oren_nayar_eval_reflect(), and bsdf_oren_nayar_sample().

__device int bsdf_oren_nayar_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 119 of file bsdf_oren_nayar.h.

References bsdf_oren_nayar_get_intensity(), ShaderData::dI, dot(), differential3::dx, differential3::dy, ShaderData::I, LABEL_DIFFUSE, LABEL_REFLECT, make_float3(), ShaderData::N, ShaderData::Ng, and sample_uniform_hemisphere().

Referenced by svm_bsdf_sample().

__device void bsdf_oren_nayar_setup	(	ShaderData *	sd,
		ShaderClosure *	sc,
		float	sigma
	)

Definition at line 80 of file bsdf_oren_nayar.h.

References clamp, CLOSURE_BSDF_OREN_NAYAR_ID, ShaderClosure::data0, ShaderClosure::data1, div, ShaderData::flag, M_PI_F, SD_BSDF, SD_BSDF_HAS_EVAL, and ShaderClosure::type.

Referenced by svm_node_closure_bsdf().