bsdf.h File Reference

#include "kernel/closure/bsdf_ashikhmin_velvet.h"
#include "kernel/closure/bsdf_diffuse.h"
#include "kernel/closure/bsdf_oren_nayar.h"
#include "kernel/closure/bsdf_phong_ramp.h"
#include "kernel/closure/bsdf_diffuse_ramp.h"
#include "kernel/closure/bsdf_microfacet.h"
#include "kernel/closure/bsdf_microfacet_multi.h"
#include "kernel/closure/bsdf_reflection.h"
#include "kernel/closure/bsdf_refraction.h"
#include "kernel/closure/bsdf_transparent.h"
#include "kernel/closure/bsdf_ashikhmin_shirley.h"
#include "kernel/closure/bsdf_toon.h"
#include "kernel/closure/bsdf_hair.h"
#include "kernel/closure/bsdf_hair_principled.h"
#include "kernel/closure/bsdf_principled_diffuse.h"
#include "kernel/closure/bsdf_principled_sheen.h"
#include "kernel/closure/bssrdf.h"
#include "kernel/closure/volume.h"

Go to the source code of this file.

Functions
CCL_NAMESPACE_BEGIN ccl_device_inline float	bsdf_get_specular_roughness_squared (const ShaderClosure *sc)
ccl_device_inline float	bsdf_get_roughness_squared (const ShaderClosure *sc)
ccl_device_inline float	bump_shadowing_term (float3 Ng, float3 N, float3 I)
ccl_device_inline float	shift_cos_in (float cos_in, const float frequency_multiplier)
ccl_device_inline int	bsdf_sample (KernelGlobals *kg, ShaderData *sd, const ShaderClosure *sc, float randu, float randv, float3 *eval, float3 *omega_in, differential3 *domega_in, float *pdf)
ccl_device float3	bsdf_eval (KernelGlobals *kg, ShaderData *sd, const ShaderClosure *sc, const float3 omega_in, float *pdf)
ccl_device void	bsdf_blur (KernelGlobals *kg, ShaderClosure *sc, float roughness)
ccl_device bool	bsdf_merge (ShaderClosure *a, ShaderClosure *b)

Function Documentation

bsdf_blur()

ccl_device void bsdf_blur	(	KernelGlobals *	kg,
		ShaderClosure *	sc,
		float	roughness
	)

Definition at line 688 of file bsdf.h.

References bsdf_ashikhmin_shirley_blur(), bsdf_microfacet_beckmann_blur(), bsdf_microfacet_ggx_blur(), bsdf_microfacet_multi_ggx_blur(), bsdf_principled_hair_blur(), CLOSURE_BSDF_ASHIKHMIN_SHIRLEY_ID, CLOSURE_BSDF_HAIR_PRINCIPLED_ID, CLOSURE_BSDF_MICROFACET_BECKMANN_ID, CLOSURE_BSDF_MICROFACET_BECKMANN_REFRACTION_ID, CLOSURE_BSDF_MICROFACET_GGX_CLEARCOAT_ID, CLOSURE_BSDF_MICROFACET_GGX_FRESNEL_ID, CLOSURE_BSDF_MICROFACET_GGX_ID, CLOSURE_BSDF_MICROFACET_GGX_REFRACTION_ID, CLOSURE_BSDF_MICROFACET_MULTI_GGX_FRESNEL_ID, CLOSURE_BSDF_MICROFACET_MULTI_GGX_GLASS_FRESNEL_ID, CLOSURE_BSDF_MICROFACET_MULTI_GGX_GLASS_ID, CLOSURE_BSDF_MICROFACET_MULTI_GGX_ID, and usdtokens::roughness().

Referenced by shader_bsdf_blur().

bsdf_eval()

ccl_device float3 bsdf_eval	(	KernelGlobals *	kg,
		ShaderData *	sd,
		const ShaderClosure *	sc,
		const float3	omega_in,
		float *	pdf
	)

Definition at line 485 of file bsdf.h.

References bsdf_ashikhmin_shirley_eval_reflect(), bsdf_ashikhmin_shirley_eval_transmit(), bsdf_ashikhmin_velvet_eval_reflect(), bsdf_ashikhmin_velvet_eval_transmit(), bsdf_diffuse_eval_reflect(), bsdf_diffuse_eval_transmit(), bsdf_diffuse_toon_eval_reflect(), bsdf_diffuse_toon_eval_transmit(), bsdf_glossy_toon_eval_reflect(), bsdf_glossy_toon_eval_transmit(), bsdf_hair_reflection_eval_reflect(), bsdf_hair_reflection_eval_transmit(), bsdf_hair_transmission_eval_reflect(), bsdf_hair_transmission_eval_transmit(), bsdf_microfacet_beckmann_eval_reflect(), bsdf_microfacet_beckmann_eval_transmit(), bsdf_microfacet_ggx_eval_reflect(), bsdf_microfacet_ggx_eval_transmit(), bsdf_microfacet_multi_ggx_eval_reflect(), bsdf_microfacet_multi_ggx_eval_transmit(), bsdf_microfacet_multi_ggx_glass_eval_reflect(), bsdf_microfacet_multi_ggx_glass_eval_transmit(), bsdf_oren_nayar_eval_reflect(), bsdf_oren_nayar_eval_transmit(), bsdf_principled_diffuse_eval_reflect(), bsdf_principled_diffuse_eval_transmit(), bsdf_principled_hair_eval(), bsdf_principled_sheen_eval_reflect(), bsdf_principled_sheen_eval_transmit(), bsdf_reflection_eval_reflect(), bsdf_reflection_eval_transmit(), bsdf_refraction_eval_reflect(), bsdf_refraction_eval_transmit(), bsdf_translucent_eval_reflect(), bsdf_translucent_eval_transmit(), bsdf_transparent_eval_reflect(), bsdf_transparent_eval_transmit(), bump_shadowing_term(), CLOSURE_BSDF_ASHIKHMIN_SHIRLEY_ID, CLOSURE_BSDF_ASHIKHMIN_VELVET_ID, CLOSURE_BSDF_BSSRDF_ID, CLOSURE_BSDF_BSSRDF_PRINCIPLED_ID, CLOSURE_BSDF_DIFFUSE_ID, CLOSURE_BSDF_DIFFUSE_RAMP_ID, CLOSURE_BSDF_DIFFUSE_TOON_ID, CLOSURE_BSDF_GLOSSY_TOON_ID, CLOSURE_BSDF_HAIR_PRINCIPLED_ID, CLOSURE_BSDF_HAIR_REFLECTION_ID, CLOSURE_BSDF_HAIR_TRANSMISSION_ID, CLOSURE_BSDF_MICROFACET_BECKMANN_ID, CLOSURE_BSDF_MICROFACET_BECKMANN_REFRACTION_ID, CLOSURE_BSDF_MICROFACET_GGX_CLEARCOAT_ID, CLOSURE_BSDF_MICROFACET_GGX_FRESNEL_ID, CLOSURE_BSDF_MICROFACET_GGX_ID, CLOSURE_BSDF_MICROFACET_GGX_REFRACTION_ID, CLOSURE_BSDF_MICROFACET_MULTI_GGX_FRESNEL_ID, CLOSURE_BSDF_MICROFACET_MULTI_GGX_GLASS_FRESNEL_ID, CLOSURE_BSDF_MICROFACET_MULTI_GGX_GLASS_ID, CLOSURE_BSDF_MICROFACET_MULTI_GGX_ID, CLOSURE_BSDF_OREN_NAYAR_ID, CLOSURE_BSDF_PHONG_RAMP_ID, CLOSURE_BSDF_PRINCIPLED_DIFFUSE_ID, CLOSURE_BSDF_PRINCIPLED_SHEEN_ID, CLOSURE_BSDF_REFLECTION_ID, CLOSURE_BSDF_REFRACTION_ID, CLOSURE_BSDF_TRANSLUCENT_ID, CLOSURE_BSDF_TRANSPARENT_ID, CLOSURE_IS_BSDF_DIFFUSE, CLOSURE_VOLUME_HENYEY_GREENSTEIN_ID, dot(), if(), isequal_float3(), kernel_tex_fetch, kg, make_float3, PRIMITIVE_ALL_CURVE, shift_cos_in(), and volume_henyey_greenstein_eval_phase().

Referenced by _shader_bsdf_multi_eval(), kernel_path_surface_bounce(), path_radiance_accum_light(), path_radiance_accum_total_light(), path_radiance_bsdf_bounce(), shader_bsdf_sample(), and shader_bsdf_sample_closure().

bsdf_get_roughness_squared()

ccl_device_inline float bsdf_get_roughness_squared

(

const ShaderClosure *

sc

)

Definition at line 56 of file bsdf.h.

References bsdf_get_specular_roughness_squared(), CLOSURE_BSDF_OREN_NAYAR_ID, CLOSURE_BSDF_PRINCIPLED_DIFFUSE_ID, CLOSURE_IS_BSDF_DIFFUSE, OrenNayarBsdf::roughness, PrincipledDiffuseBsdf::roughness, and sqr().

Referenced by shader_bsdf_average_roughness().

bsdf_get_specular_roughness_squared()

CCL_NAMESPACE_BEGIN ccl_device_inline float bsdf_get_specular_roughness_squared

(

const ShaderClosure *

sc

)

Definition at line 42 of file bsdf.h.

References MicrofacetBsdf::alpha_x, MicrofacetBsdf::alpha_y, CLOSURE_IS_BSDF_MICROFACET, and CLOSURE_IS_BSDF_SINGULAR.

Referenced by bsdf_get_roughness_squared(), and bsdf_sample().

bsdf_merge()

ccl_device bool bsdf_merge	(	ShaderClosure *	a,
		ShaderClosure *	b
	)

Definition at line 721 of file bsdf.h.

References Freestyle::a, bsdf_ashikhmin_velvet_merge(), bsdf_diffuse_merge(), bsdf_hair_merge(), bsdf_microfacet_merge(), bsdf_oren_nayar_merge(), bsdf_principled_diffuse_merge(), bsdf_toon_merge(), CLOSURE_BSDF_ASHIKHMIN_SHIRLEY_ID, CLOSURE_BSDF_ASHIKHMIN_VELVET_ID, CLOSURE_BSDF_BSSRDF_ID, CLOSURE_BSDF_BSSRDF_PRINCIPLED_ID, CLOSURE_BSDF_DIFFUSE_ID, CLOSURE_BSDF_DIFFUSE_TOON_ID, CLOSURE_BSDF_GLOSSY_TOON_ID, CLOSURE_BSDF_HAIR_REFLECTION_ID, CLOSURE_BSDF_HAIR_TRANSMISSION_ID, CLOSURE_BSDF_MICROFACET_BECKMANN_ID, CLOSURE_BSDF_MICROFACET_BECKMANN_REFRACTION_ID, CLOSURE_BSDF_MICROFACET_GGX_CLEARCOAT_ID, CLOSURE_BSDF_MICROFACET_GGX_FRESNEL_ID, CLOSURE_BSDF_MICROFACET_GGX_ID, CLOSURE_BSDF_MICROFACET_GGX_REFRACTION_ID, CLOSURE_BSDF_MICROFACET_MULTI_GGX_FRESNEL_ID, CLOSURE_BSDF_MICROFACET_MULTI_GGX_GLASS_FRESNEL_ID, CLOSURE_BSDF_MICROFACET_MULTI_GGX_GLASS_ID, CLOSURE_BSDF_MICROFACET_MULTI_GGX_ID, CLOSURE_BSDF_OREN_NAYAR_ID, CLOSURE_BSDF_PRINCIPLED_DIFFUSE_ID, CLOSURE_BSDF_REFLECTION_ID, CLOSURE_BSDF_REFRACTION_ID, CLOSURE_BSDF_TRANSLUCENT_ID, CLOSURE_BSDF_TRANSPARENT_ID, CLOSURE_VOLUME_HENYEY_GREENSTEIN_ID, and volume_henyey_greenstein_merge().

bsdf_sample()

ccl_device_inline int bsdf_sample	(	KernelGlobals *	kg,
		ShaderData *	sd,
		const ShaderClosure *	sc,
		float	randu,
		float	randv,
		float3 *	eval,
		float3 *	omega_in,
		differential3 *	domega_in,
		float *	pdf
	)

Definition at line 112 of file bsdf.h.

References bsdf_ashikhmin_shirley_sample(), bsdf_ashikhmin_velvet_sample(), bsdf_diffuse_sample(), bsdf_diffuse_toon_sample(), bsdf_get_specular_roughness_squared(), bsdf_glossy_toon_sample(), bsdf_hair_reflection_sample(), bsdf_hair_transmission_sample(), bsdf_microfacet_beckmann_sample(), bsdf_microfacet_ggx_sample(), bsdf_microfacet_multi_ggx_glass_sample(), bsdf_microfacet_multi_ggx_sample(), bsdf_oren_nayar_sample(), bsdf_principled_diffuse_sample(), bsdf_principled_hair_sample(), bsdf_principled_sheen_sample(), bsdf_reflection_sample(), bsdf_refraction_sample(), bsdf_translucent_sample(), bsdf_transparent_sample(), bump_shadowing_term(), CLOSURE_BSDF_ASHIKHMIN_SHIRLEY_ID, CLOSURE_BSDF_ASHIKHMIN_VELVET_ID, CLOSURE_BSDF_BSSRDF_ID, CLOSURE_BSDF_BSSRDF_PRINCIPLED_ID, CLOSURE_BSDF_DIFFUSE_ID, CLOSURE_BSDF_DIFFUSE_RAMP_ID, CLOSURE_BSDF_DIFFUSE_TOON_ID, CLOSURE_BSDF_GLOSSY_TOON_ID, CLOSURE_BSDF_HAIR_PRINCIPLED_ID, CLOSURE_BSDF_HAIR_REFLECTION_ID, CLOSURE_BSDF_HAIR_TRANSMISSION_ID, CLOSURE_BSDF_MICROFACET_BECKMANN_ID, CLOSURE_BSDF_MICROFACET_BECKMANN_REFRACTION_ID, CLOSURE_BSDF_MICROFACET_GGX_CLEARCOAT_ID, CLOSURE_BSDF_MICROFACET_GGX_FRESNEL_ID, CLOSURE_BSDF_MICROFACET_GGX_ID, CLOSURE_BSDF_MICROFACET_GGX_REFRACTION_ID, CLOSURE_BSDF_MICROFACET_MULTI_GGX_FRESNEL_ID, CLOSURE_BSDF_MICROFACET_MULTI_GGX_GLASS_FRESNEL_ID, CLOSURE_BSDF_MICROFACET_MULTI_GGX_GLASS_ID, CLOSURE_BSDF_MICROFACET_MULTI_GGX_ID, CLOSURE_BSDF_OREN_NAYAR_ID, CLOSURE_BSDF_PHONG_RAMP_ID, CLOSURE_BSDF_PRINCIPLED_DIFFUSE_ID, CLOSURE_BSDF_PRINCIPLED_SHEEN_ID, CLOSURE_BSDF_REFLECTION_ID, CLOSURE_BSDF_REFRACTION_ID, CLOSURE_BSDF_TRANSLUCENT_ID, CLOSURE_BSDF_TRANSPARENT_ID, CLOSURE_VOLUME_HENYEY_GREENSTEIN_ID, dot(), differential3::dx, differential3::dy, isequal_float3(), kernel_data, kernel_tex_fetch, kg, label, LABEL_DIFFUSE, LABEL_NONE, LABEL_TRANSMIT, LABEL_TRANSMIT_TRANSPARENT, PRIMITIVE_ALL_CURVE, shift_cos_in(), and volume_henyey_greenstein_sample().

Referenced by shader_bsdf_sample(), and shader_bsdf_sample_closure().

bump_shadowing_term()

ccl_device_inline float bump_shadowing_term	(	float3	Ng,
		float3	N,
		float3	I
	)

Definition at line 81 of file bsdf.h.

References dot(), I, N, safe_divide(), and sqr().

Referenced by bsdf_eval(), and bsdf_sample().

shift_cos_in()

ccl_device_inline float shift_cos_in	(	float	cos_in,
		const float	frequency_multiplier
	)

Definition at line 103 of file bsdf.h.

References angle(), cosf, fast_acosf(), max, and min.

Referenced by bsdf_eval(), and bsdf_sample().