surface_shader.h File Reference

#include "kernel/closure/alloc.h"
#include "kernel/closure/bsdf.h"
#include "kernel/closure/bsdf_util.h"
#include "kernel/closure/emissive.h"
#include "kernel/integrator/guiding.h"

Go to the source code of this file.

Functions
CCL_NAMESPACE_BEGIN ccl_device_inline void	surface_shader_prepare_closures (KernelGlobals kg, ConstIntegratorState state, ccl_private ShaderData *sd, const uint32_t path_flag)
ccl_device_forceinline bool	_surface_shader_exclude (ClosureType type, uint light_shader_flags)
ccl_device_inline float	_surface_shader_bsdf_eval_mis (KernelGlobals kg, ccl_private ShaderData *sd, const float3 wo, ccl_private const ShaderClosure *skip_sc, ccl_private BsdfEval *result_eval, float sum_pdf, float sum_sample_weight, const uint light_shader_flags)
ccl_device_inline float	surface_shader_bsdf_eval_pdfs (const KernelGlobals kg, ccl_private ShaderData *sd, const float3 wo, ccl_private BsdfEval *result_eval, ccl_private float *pdfs, const uint light_shader_flags)
ccl_device float	surface_shader_bsdf_eval (KernelGlobals kg, IntegratorState state, ccl_private ShaderData *sd, const float3 wo, ccl_private BsdfEval *bsdf_eval, const uint light_shader_flags)
ccl_device_inline ccl_private const ShaderClosure *	surface_shader_bsdf_bssrdf_pick (ccl_private const ShaderData *ccl_restrict sd, ccl_private float3 *rand_bsdf)
ccl_device_inline Spectrum	surface_shader_bssrdf_sample_weight (ccl_private const ShaderData *ccl_restrict sd, ccl_private const ShaderClosure *ccl_restrict bssrdf_sc)
ccl_device int	surface_shader_bsdf_sample_closure (KernelGlobals kg, ccl_private ShaderData *sd, ccl_private const ShaderClosure *sc, const int path_flag, const float3 rand_bsdf, ccl_private BsdfEval *bsdf_eval, ccl_private float3 *wo, ccl_private float *pdf, ccl_private float2 *sampled_roughness, ccl_private float *eta)
ccl_device float	surface_shader_average_roughness (ccl_private const ShaderData *sd)
ccl_device Spectrum	surface_shader_transparency (KernelGlobals kg, ccl_private const ShaderData *sd)
ccl_device Spectrum	surface_shader_alpha (KernelGlobals kg, ccl_private const ShaderData *sd)
ccl_device Spectrum	surface_shader_diffuse (KernelGlobals kg, ccl_private const ShaderData *sd)
ccl_device Spectrum	surface_shader_glossy (KernelGlobals kg, ccl_private const ShaderData *sd)
ccl_device Spectrum	surface_shader_transmission (KernelGlobals kg, ccl_private const ShaderData *sd)
ccl_device float3	surface_shader_average_normal (KernelGlobals kg, ccl_private const ShaderData *sd)
ccl_device Spectrum	surface_shader_ao (KernelGlobals kg, ccl_private const ShaderData *sd, const float ao_factor, ccl_private float3 *N_)
ccl_device bool	surface_shader_constant_emission (KernelGlobals kg, int shader, ccl_private Spectrum *eval)
ccl_device Spectrum	surface_shader_background (ccl_private const ShaderData *sd)
ccl_device Spectrum	surface_shader_emission (ccl_private const ShaderData *sd)
ccl_device Spectrum	surface_shader_apply_holdout (KernelGlobals kg, ccl_private ShaderData *sd)
template<uint node_feature_mask, typename ConstIntegratorGenericState >
ccl_device void	surface_shader_eval (KernelGlobals kg, ConstIntegratorGenericState state, ccl_private ShaderData *ccl_restrict sd, ccl_global float *ccl_restrict buffer, uint32_t path_flag, bool use_caustics_storage=false)

Function Documentation

_surface_shader_bsdf_eval_mis()

ccl_device_inline float _surface_shader_bsdf_eval_mis	(	KernelGlobals	kg,
		ccl_private ShaderData *	sd,
		const float3	wo,
		ccl_private const ShaderClosure *	skip_sc,
		ccl_private BsdfEval *	result_eval,
		float	sum_pdf,
		float	sum_sample_weight,
		const uint	light_shader_flags )

Definition at line 264 of file surface_shader.h.

References _surface_shader_exclude(), bsdf_eval(), bsdf_eval_accum(), ccl_private, CLOSURE_IS_BSDF, CLOSURE_IS_BSDF_OR_BSSRDF, and ShaderClosure.

Referenced by surface_shader_bsdf_eval(), and surface_shader_bsdf_sample_closure().

_surface_shader_exclude()

ccl_device_forceinline bool _surface_shader_exclude	(	ClosureType	type,
		uint	light_shader_flags )

Definition at line 234 of file surface_shader.h.

References CLOSURE_IS_BSDF_DIFFUSE, CLOSURE_IS_BSDF_GLOSSY, CLOSURE_IS_BSDF_TRANSMISSION, CLOSURE_IS_GLASS, SHADER_EXCLUDE_ANY, SHADER_EXCLUDE_DIFFUSE, SHADER_EXCLUDE_GLOSSY, and SHADER_EXCLUDE_TRANSMIT.

Referenced by _surface_shader_bsdf_eval_mis(), and surface_shader_bsdf_eval_pdfs().

surface_shader_alpha()

ccl_device Spectrum surface_shader_alpha	(	KernelGlobals	kg,
		ccl_private const ShaderData *	sd )

Definition at line 964 of file surface_shader.h.

References one_spectrum, saturate, and surface_shader_transparency().

Referenced by film_write_data_passes().

surface_shader_ao()

ccl_device Spectrum surface_shader_ao	(	KernelGlobals	kg,
		ccl_private const ShaderData *	sd,
		const float	ao_factor,
		ccl_private float3 *	N_ )

Definition at line 1029 of file surface_shader.h.

References average(), ccl_private, CLOSURE_IS_BSDF_DIFFUSE, fabsf, is_zero(), N, N_, normalize(), ShaderClosure, zero_float3(), and zero_spectrum.

surface_shader_apply_holdout()

ccl_device Spectrum surface_shader_apply_holdout	(	KernelGlobals	kg,
		ccl_private ShaderData *	sd )

Definition at line 1119 of file surface_shader.h.

References ccl_private, CLOSURE_IS_BSDF_TRANSPARENT, CLOSURE_IS_HOLDOUT, NBUILTIN_CLOSURES, one_spectrum, SD_BSDF, SD_CLOSURE_FLAGS, SD_HAS_ONLY_VOLUME, SD_OBJECT_HOLDOUT_MASK, SD_TRANSPARENT, ShaderClosure, and zero_spectrum.

Referenced by integrate_surface_holdout().

surface_shader_average_normal()

ccl_device float3 surface_shader_average_normal	(	KernelGlobals	kg,
		ccl_private const ShaderData *	sd )

Definition at line 1015 of file surface_shader.h.

References average(), ccl_private, CLOSURE_IS_BSDF_OR_BSSRDF, fabsf, is_zero(), N, normalize(), ShaderClosure, and zero_float3().

Referenced by film_write_data_passes().

surface_shader_average_roughness()

ccl_device float surface_shader_average_roughness

(

ccl_private const ShaderData *

sd

)

Definition at line 928 of file surface_shader.h.

References average(), bsdf_get_roughness_pass_squared(), ccl_private, CLOSURE_IS_BSDF, fabsf, ShaderClosure, and sqrtf.

Referenced by film_write_data_passes().

surface_shader_background()

ccl_device Spectrum surface_shader_background

(

ccl_private const ShaderData *

sd

)

Definition at line 1095 of file surface_shader.h.

References SD_EMISSION, and zero_spectrum.

Referenced by integrator_eval_background_shader(), kernel_background_evaluate(), and light_sample_shader_eval().

surface_shader_bsdf_bssrdf_pick()

ccl_device_inline ccl_private const ShaderClosure * surface_shader_bsdf_bssrdf_pick	(	ccl_private const ShaderData *ccl_restrict	sd,
		ccl_private float3 *	rand_bsdf )

Definition at line 395 of file surface_shader.h.

References ccl_private, CLOSURE_IS_BSDF_OR_BSSRDF, ShaderClosure, and sum().

Referenced by integrate_surface_bsdf_bssrdf_bounce().

surface_shader_bsdf_eval()

ccl_device float surface_shader_bsdf_eval	(	KernelGlobals	kg,
		IntegratorState	state,
		ccl_private ShaderData *	sd,
		const float3	wo,
		ccl_private BsdfEval *	bsdf_eval,
		const uint	light_shader_flags )

Definition at line 355 of file surface_shader.h.

References _surface_shader_bsdf_eval_mis(), bsdf_eval(), bsdf_eval_init(), guiding_bsdf_pdf(), GUIDING_DIRECTIONAL_SAMPLING_TYPE_RIS, kernel_data, NULL, SHADER_USE_MIS, state, and zero_spectrum.

Referenced by integrate_surface_direct_light().

surface_shader_bsdf_eval_pdfs()

ccl_device_inline float surface_shader_bsdf_eval_pdfs	(	const KernelGlobals	kg,
		ccl_private ShaderData *	sd,
		const float3	wo,
		ccl_private BsdfEval *	result_eval,
		ccl_private float *	pdfs,
		const uint	light_shader_flags )

Definition at line 300 of file surface_shader.h.

References _surface_shader_exclude(), bsdf_eval(), bsdf_eval_accum(), bsdf_eval_init(), ccl_private, CLOSURE_IS_BSDF, CLOSURE_IS_BSDF_OR_BSSRDF, kernel_assert, ShaderClosure, and zero_spectrum.

surface_shader_bsdf_sample_closure()

ccl_device int surface_shader_bsdf_sample_closure	(	KernelGlobals	kg,
		ccl_private ShaderData *	sd,
		ccl_private const ShaderClosure *	sc,
		const int	path_flag,
		const float3	rand_bsdf,
		ccl_private BsdfEval *	bsdf_eval,
		ccl_private float3 *	wo,
		ccl_private float *	pdf,
		ccl_private float2 *	sampled_roughness,
		ccl_private float *	eta )

Definition at line 893 of file surface_shader.h.

References _surface_shader_bsdf_eval_mis(), bsdf_eval(), bsdf_eval_init(), bsdf_sample(), CLOSURE_IS_BSDF, kernel_assert, label, and zero_spectrum.

Referenced by integrate_surface_bsdf_bssrdf_bounce().

surface_shader_bssrdf_sample_weight()

ccl_device_inline Spectrum surface_shader_bssrdf_sample_weight	(	ccl_private const ShaderData *ccl_restrict	sd,
		ccl_private const ShaderClosure *ccl_restrict	bssrdf_sc )

Definition at line 439 of file surface_shader.h.

References ccl_private, CLOSURE_IS_BSDF_OR_BSSRDF, ShaderClosure, and sum().

surface_shader_constant_emission()

ccl_device bool surface_shader_constant_emission	(	KernelGlobals	kg,
		int	shader,
		ccl_private Spectrum *	eval )

Definition at line 1073 of file surface_shader.h.

References kernel_data_fetch, make_float3(), rgb_to_spectrum(), SD_HAS_CONSTANT_EMISSION, and SHADER_MASK.

Referenced by integrator_eval_background_shader(), and light_sample_shader_eval().

surface_shader_diffuse()

ccl_device Spectrum surface_shader_diffuse	(	KernelGlobals	kg,
		ccl_private const ShaderData *	sd )

Definition at line 973 of file surface_shader.h.

References bsdf_albedo(), ccl_private, CLOSURE_IS_BSDF_DIFFUSE, CLOSURE_IS_BSSRDF, ShaderClosure, and zero_spectrum.

Referenced by film_write_data_passes().

surface_shader_emission()

ccl_device Spectrum surface_shader_emission

(

ccl_private const ShaderData *

sd

)

Definition at line 1107 of file surface_shader.h.

References emissive_simple_eval(), SD_EMISSION, and zero_spectrum.

Referenced by integrate_surface_emission(), and light_sample_shader_eval().

surface_shader_eval()

template<uint node_feature_mask, typename ConstIntegratorGenericState >

ccl_device void surface_shader_eval	(	KernelGlobals	kg,
		ConstIntegratorGenericState	state,
		ccl_private ShaderData *ccl_restrict	sd,
		ccl_global float *ccl_restrict	buffer,
		uint32_t	path_flag,
		bool	use_caustics_storage = false )

Definition at line 1157 of file surface_shader.h.

References bsdf_alloc(), bsdf_diffuse_setup(), CAUSTICS_MAX_CLOSURE, ccl_private, kernel_data, KERNEL_FEATURE_OSL, make_spectrum, NULL, OBJECT_NONE, osl_eval_nodes< SHADER_TYPE_SURFACE >(), PATH_RAY_EMISSION, PATH_RAY_SHADOW, PATH_RAY_TERMINATE, SD_EMISSION, state, svm_eval_nodes(), and zero_spectrum.

Referenced by integrate_surface(), integrator_eval_background_shader(), kernel_background_evaluate(), kernel_curve_shadow_transparency_evaluate(), and light_sample_shader_eval().

surface_shader_glossy()

ccl_device Spectrum surface_shader_glossy	(	KernelGlobals	kg,
		ccl_private const ShaderData *	sd )

Definition at line 987 of file surface_shader.h.

References bsdf_albedo(), ccl_private, CLOSURE_IS_BSDF_GLOSSY, CLOSURE_IS_GLASS, ShaderClosure, and zero_spectrum.

Referenced by film_write_data_passes().

surface_shader_prepare_closures()

CCL_NAMESPACE_BEGIN ccl_device_inline void surface_shader_prepare_closures	(	KernelGlobals	kg,
		ConstIntegratorState	state,
		ccl_private ShaderData *	sd,
		const uint32_t	path_flag )

Definition at line 137 of file surface_shader.h.

References __MNEE__, bsdf_blur(), BSDF_ROUGHNESS_SQ_THRESH, ccl_private, CLOSURE_HOLDOUT_ID, CLOSURE_IS_BSDF, CLOSURE_IS_BSDF_DIFFUSE, CLOSURE_IS_BSDF_GLOSSY, CLOSURE_IS_BSDF_TRANSMISSION, CLOSURE_IS_BSDF_TRANSPARENT, CLOSURE_IS_GLASS, CLOSURE_NONE_ID, FILTER_CLOSURE_DIFFUSE, FILTER_CLOSURE_DIRECT_LIGHT, FILTER_CLOSURE_EMISSION, FILTER_CLOSURE_GLOSSY, FILTER_CLOSURE_TRANSMISSION, FILTER_CLOSURE_TRANSPARENT, FLT_MAX, INTEGRATOR_STATE, kernel_data, PATH_MNEE_VALID, PATH_RAY_CAMERA, SD_BSDF_HAS_EVAL, SD_HOLDOUT, ShaderClosure, sqr(), sqrtf, state, and zero_spectrum.

Referenced by integrate_surface().

surface_shader_transmission()

ccl_device Spectrum surface_shader_transmission	(	KernelGlobals	kg,
		ccl_private const ShaderData *	sd )

Definition at line 1001 of file surface_shader.h.

References bsdf_albedo(), ccl_private, CLOSURE_IS_BSDF_TRANSMISSION, CLOSURE_IS_GLASS, ShaderClosure, and zero_spectrum.

Referenced by film_write_data_passes().

surface_shader_transparency()

ccl_device Spectrum surface_shader_transparency	(	KernelGlobals	kg,
		ccl_private const ShaderData *	sd )

Definition at line 951 of file surface_shader.h.

References one_spectrum, SD_HAS_ONLY_VOLUME, SD_RAY_PORTAL, SD_TRANSPARENT, and zero_spectrum.

Referenced by film_write_data_passes(), kernel_curve_shadow_transparency_evaluate(), and surface_shader_alpha().