bsdf_util.h File Reference

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Functions
CCL_NAMESPACE_BEGIN ccl_device float	fresnel_dielectric (float eta, const float3 N, const float3 I, float3 *R, float3 *T, bool *is_inside)
ccl_device float	fresnel_dielectric_cos (float cosi, float eta)
ccl_device float3	fresnel_conductor (float cosi, const float3 eta, const float3 k)
ccl_device float	schlick_fresnel (float u)
ccl_device_forceinline float3	interpolate_fresnel_color (float3 L, float3 H, float ior, float F0, float3 cspec0)

Function Documentation

fresnel_conductor()

ccl_device float3 fresnel_conductor	(	float	cosi,
		const float3	eta,
		const float3	k
	)

Definition at line 119 of file bsdf_util.h.

References make_float3.

fresnel_dielectric()

CCL_NAMESPACE_BEGIN ccl_device float fresnel_dielectric	(	float	eta,
		const float3	N,
		const float3	I,
		float3 *	R,
		float3 *	T,
		bool *	is_inside
	)

Definition at line 38 of file bsdf_util.h.

References KDL::cos(), dot(), I, is_inside(), make_float3, max, N, R, sqrtf, and T.

Referenced by bsdf_microfacet_beckmann_sample(), bsdf_microfacet_ggx_sample(), bsdf_microfacet_multi_ggx_glass_sample(), and bsdf_refraction_sample().

fresnel_dielectric_cos()

ccl_device float fresnel_dielectric_cos	(	float	cosi,
		float	eta
	)

Definition at line 104 of file bsdf_util.h.

References A, B, Freestyle::c, fabsf, and sqrtf.

Referenced by bsdf_microfacet_fresnel_color(), bsdf_principled_hair_eval(), bsdf_principled_hair_sample(), interpolate_fresnel_color(), mf_eval(), mf_eval_phase_glass(), mf_glass_pdf(), mf_sample(), mf_sample_phase_glass(), reflection_color(), svm_node_closure_bsdf(), svm_node_fresnel(), and svm_node_layer_weight().

interpolate_fresnel_color()

ccl_device_forceinline float3 interpolate_fresnel_color	(	float3	L,
		float3	H,
		float	ior,
		float	F0,
		float3	cspec0
	)

Definition at line 139 of file bsdf_util.h.

References dot(), FH, fresnel_dielectric_cos(), H, L, and make_float3.

Referenced by bsdf_microfacet_fresnel_color(), mf_eval(), mf_sample(), and reflection_color().

schlick_fresnel()

ccl_device float schlick_fresnel

(

float

u

)

Definition at line 130 of file bsdf_util.h.

References clamp().

Referenced by calculate_avg_principled_sheen_brdf(), calculate_principled_diffuse_brdf(), and calculate_principled_sheen_brdf().