Classes
struct	MicrofacetExtra

struct	MicrofacetBsdf

Typedefs
typedef ccl_addr_space struct MicrofacetBsdf	MicrofacetBsdf

Functions
ccl_device_inline void	microfacet_beckmann_sample_slopes (KernelGlobals kg, const float cos_theta_i, const float sin_theta_i, float randu, float randv, float slope_x, float slope_y, float G1i)

ccl_device_inline void	microfacet_ggx_sample_slopes (const float cos_theta_i, const float sin_theta_i, float randu, float randv, float slope_x, float slope_y, float *G1i)

ccl_device_forceinline float3	microfacet_sample_stretched (KernelGlobals kg, const float3 omega_i, const float alpha_x, const float alpha_y, const float randu, const float randv, bool beckmann, float G1i)

ccl_device_forceinline float3	reflection_color (const MicrofacetBsdf *bsdf, float3 L, float3 H)

ccl_device_forceinline float	D_GTR1 (float NdotH, float alpha)

ccl_device_forceinline void	bsdf_microfacet_fresnel_color (const ShaderData sd, MicrofacetBsdf bsdf)

ccl_device int	bsdf_microfacet_ggx_setup (MicrofacetBsdf *bsdf)

ccl_device int	bsdf_microfacet_ggx_isotropic_setup (MicrofacetBsdf *bsdf)

ccl_device int	bsdf_microfacet_ggx_fresnel_setup (MicrofacetBsdf bsdf, const ShaderData sd)

ccl_device int	bsdf_microfacet_ggx_clearcoat_setup (MicrofacetBsdf bsdf, const ShaderData sd)

ccl_device bool	bsdf_microfacet_merge (const ShaderClosure a, const ShaderClosure b)

ccl_device int	bsdf_microfacet_ggx_refraction_setup (MicrofacetBsdf *bsdf)

ccl_device void	bsdf_microfacet_ggx_blur (ShaderClosure *sc, float roughness)

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

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

ccl_device int	bsdf_microfacet_ggx_sample (KernelGlobals kg, 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)

ccl_device int	bsdf_microfacet_beckmann_setup (MicrofacetBsdf *bsdf)

ccl_device int	bsdf_microfacet_beckmann_isotropic_setup (MicrofacetBsdf *bsdf)

ccl_device int	bsdf_microfacet_beckmann_refraction_setup (MicrofacetBsdf *bsdf)

ccl_device void	bsdf_microfacet_beckmann_blur (ShaderClosure *sc, float roughness)

ccl_device_inline float	bsdf_beckmann_G1 (float alpha, float cos_n)

ccl_device_inline float	bsdf_beckmann_aniso_G1 (float alpha_x, float alpha_y, float cos_n, float cos_phi, float sin_phi)

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

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

ccl_device int	bsdf_microfacet_beckmann_sample (KernelGlobals kg, 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 MicrofacetExtra	MicrofacetExtra

Typedef Documentation

◆ MicrofacetBsdf

typedef ccl_addr_space struct MicrofacetBsdf MicrofacetBsdf

Function Documentation

◆ bsdf_beckmann_aniso_G1()

ccl_device_inline float bsdf_beckmann_aniso_G1	(	float	alpha_x,
		float	alpha_y,
		float	cos_n,
		float	cos_phi,
		float	sin_phi
	)

Definition at line 836 of file bsdf_microfacet.h.

References Freestyle::a, and safe_sqrtf().

Referenced by bsdf_microfacet_beckmann_eval_reflect(), and bsdf_microfacet_beckmann_sample().

◆ bsdf_beckmann_G1()

ccl_device_inline float bsdf_beckmann_G1	(	float	alpha,
		float	cos_n
	)

Definition at line 824 of file bsdf_microfacet.h.

References Freestyle::a, alpha, and safe_sqrtf().

Referenced by bsdf_microfacet_beckmann_eval_reflect(), bsdf_microfacet_beckmann_eval_transmit(), and bsdf_microfacet_beckmann_sample().

◆ bsdf_microfacet_beckmann_blur()

ccl_device void bsdf_microfacet_beckmann_blur	(	ShaderClosure *	sc,
		float	roughness
	)

Definition at line 816 of file bsdf_microfacet.h.

References MicrofacetBsdf::alpha_x, MicrofacetBsdf::alpha_y, fmaxf, and usdtokens::roughness().

Referenced by bsdf_blur().

◆ bsdf_microfacet_beckmann_eval_reflect()

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

Definition at line 855 of file bsdf_microfacet.h.

References MicrofacetBsdf::alpha_x, MicrofacetBsdf::alpha_y, bsdf_beckmann_aniso_G1(), bsdf_beckmann_G1(), CLOSURE_BSDF_MICROFACET_BECKMANN_REFRACTION_ID, D(), dot(), expf, G, I, M_PI_F, make_float3, make_orthonormals_tangent(), N, normalize(), MicrofacetBsdf::T, float3::x, X, float3::y, Y, float3::z, and Z.

Referenced by bsdf_eval().

◆ bsdf_microfacet_beckmann_eval_transmit()

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

Definition at line 934 of file bsdf_microfacet.h.

References MicrofacetBsdf::alpha_x, MicrofacetBsdf::alpha_y, bsdf_beckmann_G1(), CLOSURE_BSDF_MICROFACET_BECKMANN_REFRACTION_ID, D(), dot(), expf, fabsf, G, I, MicrofacetBsdf::ior, M_PI_F, make_float3, min, N, and normalize().

Referenced by bsdf_eval().

◆ bsdf_microfacet_beckmann_isotropic_setup()

ccl_device int bsdf_microfacet_beckmann_isotropic_setup ( MicrofacetBsdf * bsdf )

Definition at line 800 of file bsdf_microfacet.h.

References MicrofacetBsdf::alpha_x, MicrofacetBsdf::alpha_y, and bsdf_microfacet_beckmann_setup().

Referenced by MicrofacetClosure::setup().

◆ bsdf_microfacet_beckmann_refraction_setup()

ccl_device int bsdf_microfacet_beckmann_refraction_setup ( MicrofacetBsdf * bsdf )

Definition at line 807 of file bsdf_microfacet.h.

References MicrofacetBsdf::alpha_x, MicrofacetBsdf::alpha_y, CLOSURE_BSDF_MICROFACET_BECKMANN_REFRACTION_ID, saturate(), SD_BSDF, and SD_BSDF_HAS_EVAL.

Referenced by MicrofacetClosure::setup(), svm_node_closure_bsdf(), and svm_node_glass_setup().

◆ bsdf_microfacet_beckmann_sample()

ccl_device int bsdf_microfacet_beckmann_sample	(	KernelGlobals *	kg,
		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 989 of file bsdf_microfacet.h.

References __RAY_DIFFERENTIALS__, MicrofacetBsdf::alpha_x, MicrofacetBsdf::alpha_y, bsdf_beckmann_aniso_G1(), bsdf_beckmann_G1(), CLOSURE_BSDF_MICROFACET_BECKMANN_REFRACTION_ID, D(), dot(), expf, fabsf, fresnel_dielectric(), G, I, MicrofacetBsdf::ior, kg, label, LABEL_GLOSSY, LABEL_REFLECT, LABEL_SINGULAR, LABEL_TRANSMIT, M_PI_F, make_float3, make_orthonormals(), make_orthonormals_tangent(), microfacet_sample_stretched(), N, R, MicrofacetBsdf::T, T, float3::x, X, float3::y, Y, float3::z, and Z.

Referenced by bsdf_sample().

◆ bsdf_microfacet_beckmann_setup()

ccl_device int bsdf_microfacet_beckmann_setup ( MicrofacetBsdf * bsdf )

Definition at line 790 of file bsdf_microfacet.h.

References MicrofacetBsdf::alpha_x, MicrofacetBsdf::alpha_y, CLOSURE_BSDF_MICROFACET_BECKMANN_ID, saturate(), SD_BSDF, and SD_BSDF_HAS_EVAL.

Referenced by bsdf_microfacet_beckmann_isotropic_setup(), MicrofacetClosure::setup(), svm_node_closure_bsdf(), and svm_node_glass_setup().

◆ bsdf_microfacet_fresnel_color()

ccl_device_forceinline void bsdf_microfacet_fresnel_color	(	const ShaderData *	sd,
		MicrofacetBsdf *	bsdf
	)

Definition at line 278 of file bsdf_microfacet.h.

References average(), MicrofacetExtra::clearcoat, CLOSURE_BSDF_MICROFACET_GGX_CLEARCOAT_ID, CLOSURE_IS_BSDF_MICROFACET_FRESNEL, MicrofacetExtra::cspec0, MicrofacetBsdf::extra, MicrofacetExtra::fresnel_color, fresnel_dielectric_cos(), interpolate_fresnel_color(), MicrofacetBsdf::ior, and kernel_assert.

Referenced by bsdf_microfacet_ggx_clearcoat_setup(), bsdf_microfacet_ggx_fresnel_setup(), bsdf_microfacet_multi_ggx_fresnel_setup(), and bsdf_microfacet_multi_ggx_glass_fresnel_setup().

◆ bsdf_microfacet_ggx_blur()

ccl_device void bsdf_microfacet_ggx_blur	(	ShaderClosure *	sc,
		float	roughness
	)

Definition at line 382 of file bsdf_microfacet.h.

References MicrofacetBsdf::alpha_x, MicrofacetBsdf::alpha_y, fmaxf, and usdtokens::roughness().

Referenced by bsdf_blur().

◆ bsdf_microfacet_ggx_clearcoat_setup()

ccl_device int bsdf_microfacet_ggx_clearcoat_setup	(	MicrofacetBsdf *	bsdf,
		const ShaderData *	sd
	)

Definition at line 341 of file bsdf_microfacet.h.

References MicrofacetBsdf::alpha_x, MicrofacetBsdf::alpha_y, bsdf_microfacet_fresnel_color(), CLOSURE_BSDF_MICROFACET_GGX_CLEARCOAT_ID, MicrofacetExtra::cspec0, MicrofacetBsdf::extra, saturate(), saturate3(), SD_BSDF, and SD_BSDF_HAS_EVAL.

Referenced by PrincipledClearcoatClosure::setup(), and svm_node_closure_bsdf().

◆ bsdf_microfacet_ggx_eval_reflect()

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

Definition at line 390 of file bsdf_microfacet.h.

References MicrofacetBsdf::alpha_x, MicrofacetBsdf::alpha_y, MicrofacetExtra::clearcoat, CLOSURE_BSDF_MICROFACET_GGX_CLEARCOAT_ID, CLOSURE_BSDF_MICROFACET_GGX_REFRACTION_ID, D(), D_GTR1(), dot(), MicrofacetBsdf::extra, F, G, I, M_PI_F, make_float3, make_orthonormals_tangent(), N, normalize(), reflection_color(), safe_sqrtf(), MicrofacetBsdf::T, float3::x, X, float3::y, Y, float3::z, and Z.

Referenced by bsdf_eval().

◆ bsdf_microfacet_ggx_eval_transmit()

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

Definition at line 503 of file bsdf_microfacet.h.

References MicrofacetBsdf::alpha_x, MicrofacetBsdf::alpha_y, CLOSURE_BSDF_MICROFACET_GGX_REFRACTION_ID, D(), dot(), fabsf, G, I, MicrofacetBsdf::ior, M_PI_F, make_float3, N, normalize(), and safe_sqrtf().

Referenced by bsdf_eval().

◆ bsdf_microfacet_ggx_fresnel_setup()

ccl_device int bsdf_microfacet_ggx_fresnel_setup	(	MicrofacetBsdf *	bsdf,
		const ShaderData *	sd
	)

Definition at line 327 of file bsdf_microfacet.h.

References MicrofacetBsdf::alpha_x, MicrofacetBsdf::alpha_y, bsdf_microfacet_fresnel_color(), CLOSURE_BSDF_MICROFACET_GGX_FRESNEL_ID, MicrofacetExtra::cspec0, MicrofacetBsdf::extra, saturate(), saturate3(), SD_BSDF, and SD_BSDF_HAS_EVAL.

Referenced by MicrofacetGGXFresnelClosure::setup(), MicrofacetGGXAnisoFresnelClosure::setup(), and svm_node_closure_bsdf().

◆ bsdf_microfacet_ggx_isotropic_setup()

ccl_device int bsdf_microfacet_ggx_isotropic_setup ( MicrofacetBsdf * bsdf )

Definition at line 320 of file bsdf_microfacet.h.

References MicrofacetBsdf::alpha_x, MicrofacetBsdf::alpha_y, and bsdf_microfacet_ggx_setup().

Referenced by MicrofacetClosure::setup().

◆ bsdf_microfacet_ggx_refraction_setup()

ccl_device int bsdf_microfacet_ggx_refraction_setup ( MicrofacetBsdf * bsdf )

Definition at line 370 of file bsdf_microfacet.h.

References MicrofacetBsdf::alpha_x, MicrofacetBsdf::alpha_y, CLOSURE_BSDF_MICROFACET_GGX_REFRACTION_ID, MicrofacetBsdf::extra, NULL, saturate(), SD_BSDF, and SD_BSDF_HAS_EVAL.

Referenced by MicrofacetClosure::setup(), svm_node_closure_bsdf(), and svm_node_glass_setup().

◆ bsdf_microfacet_ggx_sample()

ccl_device int bsdf_microfacet_ggx_sample	(	KernelGlobals *	kg,
		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 561 of file bsdf_microfacet.h.

References __RAY_DIFFERENTIALS__, MicrofacetBsdf::alpha_x, MicrofacetBsdf::alpha_y, MicrofacetExtra::clearcoat, CLOSURE_BSDF_MICROFACET_GGX_CLEARCOAT_ID, CLOSURE_BSDF_MICROFACET_GGX_FRESNEL_ID, CLOSURE_BSDF_MICROFACET_GGX_REFRACTION_ID, D(), D_GTR1(), dot(), MicrofacetBsdf::extra, F, fabsf, fresnel_dielectric(), I, MicrofacetBsdf::ior, kg, label, LABEL_GLOSSY, LABEL_REFLECT, LABEL_SINGULAR, LABEL_TRANSMIT, M_PI_F, make_float3, make_orthonormals(), make_orthonormals_tangent(), microfacet_sample_stretched(), N, R, reflection_color(), safe_sqrtf(), MicrofacetBsdf::T, T, float3::x, X, float3::y, Y, float3::z, and Z.

Referenced by bsdf_sample().

◆ bsdf_microfacet_ggx_setup()

ccl_device int bsdf_microfacet_ggx_setup ( MicrofacetBsdf * bsdf )

Definition at line 307 of file bsdf_microfacet.h.

References MicrofacetBsdf::alpha_x, MicrofacetBsdf::alpha_y, CLOSURE_BSDF_MICROFACET_GGX_ID, MicrofacetBsdf::extra, NULL, saturate(), SD_BSDF, and SD_BSDF_HAS_EVAL.

Referenced by bsdf_microfacet_ggx_isotropic_setup(), MicrofacetClosure::setup(), svm_node_closure_bsdf(), and svm_node_glass_setup().

◆ bsdf_microfacet_merge()

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

Definition at line 355 of file bsdf_microfacet.h.

References Freestyle::a, MicrofacetBsdf::alpha_x, MicrofacetBsdf::alpha_y, MicrofacetExtra::clearcoat, MicrofacetExtra::color, MicrofacetExtra::cspec0, MicrofacetBsdf::extra, MicrofacetBsdf::ior, isequal_float3(), NULL, and MicrofacetBsdf::T.

Referenced by bsdf_merge().

◆ D_GTR1()

ccl_device_forceinline float D_GTR1	(	float	NdotH,
		float	alpha
	)

Definition at line 269 of file bsdf_microfacet.h.

References alpha, logf, M_1_PI_F, M_PI_F, and t.

Referenced by bsdf_microfacet_ggx_eval_reflect(), and bsdf_microfacet_ggx_sample().

◆ microfacet_beckmann_sample_slopes()

ccl_device_inline void microfacet_beckmann_sample_slopes	(	KernelGlobals *	kg,
		const float	cos_theta_i,
		const float	sin_theta_i,
		float	randu,
		float	randv,
		float *	slope_x,
		float *	slope_y,
		float *	G1i
	)

Definition at line 56 of file bsdf_microfacet.h.

References BECKMANN_TABLE_SIZE, cosf, expf, fabsf, fast_erff(), fast_ierff(), K, kernel_data, kg, logf, lookup_table_read_2D(), M_2PI_F, r, sinf, and sqrtf.

Referenced by microfacet_sample_stretched().

◆ microfacet_ggx_sample_slopes()

ccl_device_inline void microfacet_ggx_sample_slopes	(	const float	cos_theta_i,
		const float	sin_theta_i,
		float	randu,
		float	randv,
		float *	slope_x,
		float *	slope_y,
		float *	G1i
	)

Definition at line 143 of file bsdf_microfacet.h.

References A, B, cosf, D(), M_2PI_F, r, safe_sqrtf(), sinf, sqrtf, and z.

Referenced by microfacet_sample_stretched().

◆ microfacet_sample_stretched()

ccl_device_forceinline float3 microfacet_sample_stretched	(	KernelGlobals *	kg,
		const float3	omega_i,
		const float	alpha_x,
		const float	alpha_y,
		const float	randu,
		const float	randv,
		bool	beckmann,
		float *	G1i
	)

Definition at line 196 of file bsdf_microfacet.h.

References kg, make_float3, microfacet_beckmann_sample_slopes(), microfacet_ggx_sample_slopes(), normalize(), safe_sqrtf(), float3::x, float3::y, and float3::z.

Referenced by bsdf_microfacet_beckmann_sample(), and bsdf_microfacet_ggx_sample().

◆ reflection_color()

ccl_device_forceinline float3 reflection_color	(	const MicrofacetBsdf *	bsdf,
		float3	L,
		float3	H
	)

Definition at line 255 of file bsdf_microfacet.h.

References CLOSURE_BSDF_MICROFACET_GGX_CLEARCOAT_ID, CLOSURE_BSDF_MICROFACET_GGX_FRESNEL_ID, MicrofacetExtra::cspec0, MicrofacetBsdf::extra, F, fresnel_dielectric_cos(), H, interpolate_fresnel_color(), MicrofacetBsdf::ior, L, and make_float3.

Referenced by bsdf_microfacet_ggx_eval_reflect(), and bsdf_microfacet_ggx_sample().

Variable Documentation

◆ MicrofacetExtra

CCL_NAMESPACE_BEGIN typedef ccl_addr_space struct MicrofacetExtra MicrofacetExtra

Classes

Typedefs

Functions

Variables

Typedef Documentation

◆ MicrofacetBsdf

Function Documentation

◆ bsdf_beckmann_aniso_G1()

◆ bsdf_beckmann_G1()

◆ bsdf_microfacet_beckmann_blur()

◆ bsdf_microfacet_beckmann_eval_reflect()

◆ bsdf_microfacet_beckmann_eval_transmit()

◆ bsdf_microfacet_beckmann_isotropic_setup()

◆ bsdf_microfacet_beckmann_refraction_setup()

◆ bsdf_microfacet_beckmann_sample()

◆ bsdf_microfacet_beckmann_setup()

◆ bsdf_microfacet_fresnel_color()

◆ bsdf_microfacet_ggx_blur()

◆ bsdf_microfacet_ggx_clearcoat_setup()

◆ bsdf_microfacet_ggx_eval_reflect()

◆ bsdf_microfacet_ggx_eval_transmit()

◆ bsdf_microfacet_ggx_fresnel_setup()

◆ bsdf_microfacet_ggx_isotropic_setup()

◆ bsdf_microfacet_ggx_refraction_setup()

◆ bsdf_microfacet_ggx_sample()

◆ bsdf_microfacet_ggx_setup()

◆ bsdf_microfacet_merge()

◆ D_GTR1()

◆ microfacet_beckmann_sample_slopes()

◆ microfacet_ggx_sample_slopes()

◆ microfacet_sample_stretched()

◆ reflection_color()

Variable Documentation

◆ MicrofacetExtra