bsdf_oren_nayar.h File Reference

#include "kernel/types.h"
#include "kernel/sample/mapping.h"

Go to the source code of this file.

Classes
struct	OrenNayarBsdf

Functions
ccl_device_inline float	bsdf_oren_nayar_G (const float cosTheta)
ccl_device Spectrum	bsdf_oren_nayar_get_intensity (const ccl_private ShaderClosure *sc, const float3 n, const float3 v, const float3 l)
ccl_device int	bsdf_oren_nayar_setup (const ccl_private ShaderData *sd, ccl_private OrenNayarBsdf *bsdf, const Spectrum color)
ccl_device Spectrum	bsdf_oren_nayar_eval (const ccl_private ShaderClosure *sc, const float3 wi, const float3 wo, ccl_private float *pdf)
ccl_device int	bsdf_oren_nayar_sample (const ccl_private ShaderClosure *sc, const float3 Ng, const float3 wi, const float2 rand, ccl_private Spectrum *eval, ccl_private float3 *wo, ccl_private float *pdf)

Function Documentation

bsdf_oren_nayar_eval()

ccl_device Spectrum bsdf_oren_nayar_eval	(	const ccl_private ShaderClosure *	sc,
		const float3	wi,
		const float3	wo,
		ccl_private float *	pdf )

Definition at line 88 of file bsdf_oren_nayar.h.

References bsdf_oren_nayar_get_intensity(), ccl_device, ccl_private, dot(), M_1_PI_F, and zero_spectrum.

Referenced by bsdf_eval().

bsdf_oren_nayar_G()

ccl_device_inline float bsdf_oren_nayar_G

(

const float

cosTheta

)

Definition at line 29 of file bsdf_oren_nayar.h.

References ccl_device_inline, M_PI_2_F, safe_acosf(), sin_from_cos(), and sqr.

Referenced by bsdf_oren_nayar_get_intensity(), and bsdf_oren_nayar_setup().

bsdf_oren_nayar_get_intensity()

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

Definition at line 41 of file bsdf_oren_nayar.h.

References bsdf_oren_nayar_G(), ccl_device, ccl_private, dot(), l, M_1_PI_F, M_PI_F, make_spectrum, max, and v.

Referenced by bsdf_oren_nayar_eval(), and bsdf_oren_nayar_sample().

bsdf_oren_nayar_sample()

ccl_device int bsdf_oren_nayar_sample	(	const ccl_private ShaderClosure *	sc,
		const float3	Ng,
		const float3	wi,
		const float2	rand,
		ccl_private Spectrum *	eval,
		ccl_private float3 *	wo,
		ccl_private float *	pdf )

Definition at line 103 of file bsdf_oren_nayar.h.

References bsdf_oren_nayar_get_intensity(), ccl_device, ccl_private, dot(), LABEL_DIFFUSE, LABEL_REFLECT, sample_cos_hemisphere(), and zero_spectrum.

Referenced by bsdf_sample().

bsdf_oren_nayar_setup()

ccl_device int bsdf_oren_nayar_setup	(	const ccl_private ShaderData *	sd,
		ccl_private OrenNayarBsdf *	bsdf,
		const Spectrum	color )

Definition at line 66 of file bsdf_oren_nayar.h.

References bsdf_oren_nayar_G(), ccl_device, ccl_private, CLOSURE_BSDF_OREN_NAYAR_ID, dot(), M_1_PI_F, M_2PI_F, M_PI_2_F, M_PI_F, max, one_spectrum, saturate, saturatef, SD_BSDF, SD_BSDF_HAS_EVAL, and sqr.

Referenced by osl_closure_oren_nayar_diffuse_bsdf_setup(), osl_closure_oren_nayar_setup(), and svm_node_closure_bsdf().