bsdf_oren_nayar.h File Reference

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Classes
struct	OrenNayarBsdf

Typedefs
typedef CCL_NAMESPACE_BEGIN struct OrenNayarBsdf	OrenNayarBsdf

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

Typedef Documentation

OrenNayarBsdf

typedef CCL_NAMESPACE_BEGIN struct OrenNayarBsdf OrenNayarBsdf

Function Documentation

bsdf_oren_nayar_eval()

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

Definition at line 80 of file bsdf_oren_nayar.h.

References bsdf_oren_nayar_get_intensity(), ccl_private, dot(), 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 25 of file bsdf_oren_nayar.h.

References 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	(	ccl_private const ShaderClosure *	sc,
		float3	n,
		float3	v,
		float3	l )

Definition at line 37 of file bsdf_oren_nayar.h.

References bsdf_oren_nayar_G(), ccl_private, dot(), l, 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	(	ccl_private const ShaderClosure *	sc,
		float3	Ng,
		float3	wi,
		float2	rand,
		ccl_private Spectrum *	eval,
		ccl_private float3 *	wo,
		ccl_private float *	pdf )

Definition at line 97 of file bsdf_oren_nayar.h.

References bsdf_oren_nayar_get_intensity(), 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	(	ccl_private const ShaderData *	sd,
		ccl_private OrenNayarBsdf *	bsdf,
		const Spectrum	color )

Definition at line 58 of file bsdf_oren_nayar.h.

References bsdf_oren_nayar_G(), CLOSURE_BSDF_OREN_NAYAR_ID, dot(), 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().