bsdf_oren_nayar.h File Reference

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Classes
struct	OrenNayarBsdf

Functions
ccl_device float3	bsdf_oren_nayar_get_intensity (const ShaderClosure *sc, float3 n, float3 v, float3 l)
ccl_device int	bsdf_oren_nayar_setup (OrenNayarBsdf *bsdf)
ccl_device bool	bsdf_oren_nayar_merge (const ShaderClosure *a, const ShaderClosure *b)
ccl_device float3	bsdf_oren_nayar_eval_reflect (const ShaderClosure *sc, const float3 I, const float3 omega_in, float *pdf)
ccl_device float3	bsdf_oren_nayar_eval_transmit (const ShaderClosure *sc, const float3 I, const float3 omega_in, float *pdf)
ccl_device int	bsdf_oren_nayar_sample (const ShaderClosure *sc, float3 Ng, float3 I, float3 dIdx, float3 dIdy, float randu, float randv, float3 *eval, float3 *omega_in, float3 *domega_in_dx, float3 *domega_in_dy, float *pdf)

Variables
CCL_NAMESPACE_BEGIN typedef ccl_addr_space struct OrenNayarBsdf	OrenNayarBsdf

Function Documentation

bsdf_oren_nayar_eval_reflect()

ccl_device float3 bsdf_oren_nayar_eval_reflect	(	const ShaderClosure *	sc,
		const float3	I,
		const float3	omega_in,
		float *	pdf
	)

Definition at line 72 of file bsdf_oren_nayar.h.

References bsdf_oren_nayar_get_intensity(), dot(), I, M_1_PI_F, and make_float3.

Referenced by bsdf_eval().

bsdf_oren_nayar_eval_transmit()

ccl_device float3 bsdf_oren_nayar_eval_transmit	(	const ShaderClosure *	sc,
		const float3	I,
		const float3	omega_in,
		float *	pdf
	)

Definition at line 88 of file bsdf_oren_nayar.h.

References make_float3.

Referenced by bsdf_eval().

bsdf_oren_nayar_get_intensity()

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

Definition at line 32 of file bsdf_oren_nayar.h.

References OrenNayarBsdf::a, OrenNayarBsdf::b, dot(), l, make_float3, max, t, and v.

Referenced by bsdf_oren_nayar_eval_reflect(), and bsdf_oren_nayar_sample().

bsdf_oren_nayar_merge()

ccl_device bool bsdf_oren_nayar_merge	(	const ShaderClosure *	a,
		const ShaderClosure *	b
	)

Definition at line 64 of file bsdf_oren_nayar.h.

References Freestyle::a, isequal_float3(), and OrenNayarBsdf::roughness.

Referenced by bsdf_merge().

bsdf_oren_nayar_sample()

ccl_device int bsdf_oren_nayar_sample	(	const ShaderClosure *	sc,
		float3	Ng,
		float3	I,
		float3	dIdx,
		float3	dIdy,
		float	randu,
		float	randv,
		float3 *	eval,
		float3 *	omega_in,
		float3 *	domega_in_dx,
		float3 *	domega_in_dy,
		float *	pdf
	)

Definition at line 96 of file bsdf_oren_nayar.h.

References bsdf_oren_nayar_get_intensity(), dot(), I, LABEL_DIFFUSE, LABEL_REFLECT, make_float3, and sample_uniform_hemisphere().

Referenced by bsdf_sample().

bsdf_oren_nayar_setup()

ccl_device int bsdf_oren_nayar_setup

(

OrenNayarBsdf *

bsdf

)

Definition at line 48 of file bsdf_oren_nayar.h.

References OrenNayarBsdf::a, OrenNayarBsdf::b, CLOSURE_BSDF_OREN_NAYAR_ID, M_PI_F, OrenNayarBsdf::roughness, saturate(), SD_BSDF, and SD_BSDF_HAS_EVAL.

Referenced by svm_node_closure_bsdf().

Variable Documentation

OrenNayarBsdf

CCL_NAMESPACE_BEGIN typedef ccl_addr_space struct OrenNayarBsdf OrenNayarBsdf