guiding.h File Reference

#include "kernel/globals.h"
#include "kernel/types.h"
#include "kernel/integrator/state.h"
#include "kernel/util/colorspace.h"
#include "kernel/closure/bsdf.h"
#include "util/color.h"

Go to the source code of this file.

Classes
struct	GuidingRISSample

Functions
ccl_device_forceinline bool	calculate_ris_target (ccl_private GuidingRISSample *ris_sample, const ccl_private float guiding_sampling_prob)
ccl_device_forceinline void	guiding_record_surface_segment (KernelGlobals kg, IntegratorState state, const ccl_private ShaderData *sd)
ccl_device_forceinline void	guiding_record_surface_bounce (KernelGlobals kg, IntegratorState state, const ccl_private ShaderData *sd, const Spectrum weight, const float pdf, const float3 N, const float3 wo, const float2 roughness, const float eta)
ccl_device_forceinline void	guiding_record_surface_emission (KernelGlobals kg, IntegratorState state, const Spectrum Le, const float mis_weight)
ccl_device_forceinline void	guiding_record_bssrdf_segment (KernelGlobals kg, IntegratorState state, const float3 P, const float3 wi)
ccl_device_forceinline void	guiding_record_bssrdf_weight (KernelGlobals kg, IntegratorState state, const Spectrum weight, const Spectrum albedo)
ccl_device_forceinline void	guiding_record_bssrdf_bounce (KernelGlobals kg, IntegratorState state, const float pdf, const float3 N, const float3 wo, const Spectrum weight, const Spectrum albedo)
ccl_device_forceinline void	guiding_record_volume_segment (KernelGlobals kg, IntegratorState state, const float3 P, const float3 I)
ccl_device_forceinline void	guiding_record_volume_bounce (KernelGlobals kg, IntegratorState state, const ccl_private ShaderData *sd, const Spectrum weight, const float pdf, const float3 wo, const float roughness)
ccl_device_forceinline void	guiding_record_volume_transmission (KernelGlobals kg, IntegratorState state, const float3 transmittance_weight)
ccl_device_forceinline void	guiding_record_volume_emission (KernelGlobals kg, IntegratorState state, const Spectrum Le)
ccl_device_forceinline void	guiding_record_light_surface_segment (KernelGlobals kg, IntegratorState state, const ccl_private Intersection *ccl_restrict isect)
ccl_device_forceinline void	guiding_record_background (KernelGlobals kg, IntegratorState state, const Spectrum L, const float mis_weight)
ccl_device_forceinline void	guiding_record_direct_light (KernelGlobals kg, IntegratorShadowState state)
ccl_device_forceinline void	guiding_record_continuation_probability (KernelGlobals kg, IntegratorState state, const float continuation_probability)
ccl_device_forceinline void	guiding_write_debug_passes (KernelGlobals kg, IntegratorState state, const ccl_private ShaderData *sd, ccl_global float *ccl_restrict render_buffer)
ccl_device_forceinline bool	guiding_bsdf_init (KernelGlobals kg, IntegratorState state, const float3 P, const float3 N, ccl_private float &rand)
ccl_device_forceinline float	guiding_bsdf_sample (KernelGlobals kg, IntegratorState state, const float2 rand_bsdf, ccl_private float3 *wo)
ccl_device_forceinline float	guiding_bsdf_pdf (KernelGlobals kg, IntegratorState state, const float3 wo)
ccl_device_forceinline float	guiding_surface_incoming_radiance_pdf (KernelGlobals kg, IntegratorState state, const float3 wo)
ccl_device_forceinline bool	guiding_phase_init (KernelGlobals kg, IntegratorState state, const float3 P, const float3 D, const float g, ccl_private float &rand)
ccl_device_forceinline float	guiding_phase_sample (KernelGlobals kg, IntegratorState state, const float2 rand_phase, ccl_private float3 *wo)
ccl_device_forceinline float	guiding_phase_pdf (KernelGlobals kg, IntegratorState state, const float3 wo)

Function Documentation

calculate_ris_target()

ccl_device_forceinline bool calculate_ris_target	(	ccl_private GuidingRISSample *	ris_sample,
		const ccl_private float	guiding_sampling_prob )

Definition at line 42 of file kernel/integrator/guiding.h.

References ccl_device_forceinline, ccl_private, and M_PI_F.

guiding_bsdf_init()

ccl_device_forceinline bool guiding_bsdf_init	(	KernelGlobals	kg,
		IntegratorState	state,
		const float3	P,
		const float3	N,
		ccl_private float &	rand )

Definition at line 546 of file kernel/integrator/guiding.h.

References ccl_device_forceinline, ccl_private, N, P, and state.

guiding_bsdf_pdf()

ccl_device_forceinline float guiding_bsdf_pdf	(	KernelGlobals	kg,
		IntegratorState	state,
		const float3	wo )

Definition at line 580 of file kernel/integrator/guiding.h.

References ccl_device_forceinline, and state.

Referenced by surface_shader_bsdf_eval().

guiding_bsdf_sample()

ccl_device_forceinline float guiding_bsdf_sample	(	KernelGlobals	kg,
		IntegratorState	state,
		const float2	rand_bsdf,
		ccl_private float3 *	wo )

Definition at line 564 of file kernel/integrator/guiding.h.

References ccl_device_forceinline, ccl_private, make_float3(), state, float2::x, and float2::y.

guiding_phase_init()

ccl_device_forceinline bool guiding_phase_init	(	KernelGlobals	kg,
		IntegratorState	state,
		const float3	P,
		const float3	D,
		const float	g,
		ccl_private float &	rand )

Definition at line 604 of file kernel/integrator/guiding.h.

References ccl_device_forceinline, ccl_private, D, fabsf, P, and state.

guiding_phase_pdf()

ccl_device_forceinline float guiding_phase_pdf	(	KernelGlobals	kg,
		IntegratorState	state,
		const float3	wo )

Definition at line 645 of file kernel/integrator/guiding.h.

References ccl_device_forceinline, and state.

guiding_phase_sample()

ccl_device_forceinline float guiding_phase_sample	(	KernelGlobals	kg,
		IntegratorState	state,
		const float2	rand_phase,
		ccl_private float3 *	wo )

Definition at line 629 of file kernel/integrator/guiding.h.

References ccl_device_forceinline, ccl_private, make_float3(), state, float2::x, and float2::y.

guiding_record_background()

ccl_device_forceinline void guiding_record_background	(	KernelGlobals	kg,
		IntegratorState	state,
		const Spectrum	L,
		const float	mis_weight )

Definition at line 415 of file kernel/integrator/guiding.h.

References assert, ccl_device_forceinline, D, flag, INTEGRATOR_STATE, kernel_data, L, make_float3(), P, PATH_RAY_SHADOW_CATCHER_PASS, spectrum_to_rgb(), and state.

Referenced by integrate_background(), and integrate_distant_lights().

guiding_record_bssrdf_bounce()

ccl_device_forceinline void guiding_record_bssrdf_bounce	(	KernelGlobals	kg,
		IntegratorState	state,
		const float	pdf,
		const float3	N,
		const float3	wo,
		const Spectrum	weight,
		const Spectrum	albedo )

Definition at line 229 of file kernel/integrator/guiding.h.

References assert, ccl_device_forceinline, clamp(), flag, INTEGRATOR_STATE, kernel_assert, kernel_data, N, one_float3(), PATH_RAY_SHADOW_CATCHER_PASS, spectrum_to_rgb(), and state.

guiding_record_bssrdf_segment()

ccl_device_forceinline void guiding_record_bssrdf_segment	(	KernelGlobals	kg,
		IntegratorState	state,
		const float3	P,
		const float3	wi )

Definition at line 172 of file kernel/integrator/guiding.h.

References assert, ccl_device_forceinline, flag, INTEGRATOR_STATE, kernel_data, one_float3(), P, PATH_RAY_SHADOW_CATCHER_PASS, state, and zero_float3().

guiding_record_bssrdf_weight()

ccl_device_forceinline void guiding_record_bssrdf_weight	(	KernelGlobals	kg,
		IntegratorState	state,
		const Spectrum	weight,
		const Spectrum	albedo )

Definition at line 200 of file kernel/integrator/guiding.h.

References assert, ccl_device_forceinline, flag, INTEGRATOR_STATE, kernel_assert, kernel_data, PATH_RAY_SHADOW_CATCHER_PASS, safe_divide_color(), spectrum_to_rgb(), state, and zero_float3().

guiding_record_continuation_probability()

ccl_device_forceinline void guiding_record_continuation_probability	(	KernelGlobals	kg,
		IntegratorState	state,
		const float	continuation_probability )

Definition at line 479 of file kernel/integrator/guiding.h.

References assert, ccl_device_forceinline, flag, INTEGRATOR_STATE, kernel_data, PATH_RAY_SHADOW_CATCHER_PASS, and state.

Referenced by integrator_intersect_terminate().

guiding_record_direct_light()

ccl_device_forceinline void guiding_record_direct_light	(	KernelGlobals	kg,
		IntegratorShadowState	state )

Definition at line 445 of file kernel/integrator/guiding.h.

References ccl_device_forceinline, INTEGRATOR_STATE, kernel_data, safe_divide_color(), spectrum_to_rgb(), and state.

Referenced by integrator_shade_shadow().

guiding_record_light_surface_segment()

ccl_device_forceinline void guiding_record_light_surface_segment	(	KernelGlobals	kg,
		IntegratorState	state,
		const ccl_private Intersection *ccl_restrict	isect )

Definition at line 380 of file kernel/integrator/guiding.h.

References assert, ccl_device_forceinline, ccl_private, ccl_restrict, D, flag, INTEGRATOR_STATE, kernel_data, one_float3(), P, PATH_RAY_SHADOW_CATCHER_PASS, state, and zero_float3().

Referenced by integrate_light().

guiding_record_surface_bounce()

ccl_device_forceinline void guiding_record_surface_bounce	(	KernelGlobals	kg,
		IntegratorState	state,
		const ccl_private ShaderData *	sd,
		const Spectrum	weight,
		const float	pdf,
		const float3	N,
		const float3	wo,
		const float2	roughness,
		const float	eta )

Definition at line 110 of file kernel/integrator/guiding.h.

References assert, ccl_device_forceinline, ccl_private, clamp(), flag, fminf, INTEGRATOR_STATE, kernel_assert, kernel_data, N, one_float3(), PATH_RAY_SHADOW_CATCHER_PASS, safe_sqrtf(), spectrum_to_rgb(), state, float2::x, and float2::y.

Referenced by integrate_surface_bsdf_bssrdf_bounce().

guiding_record_surface_emission()

ccl_device_forceinline void guiding_record_surface_emission	(	KernelGlobals	kg,
		IntegratorState	state,
		const Spectrum	Le,
		const float	mis_weight )

Definition at line 147 of file kernel/integrator/guiding.h.

References assert, ccl_device_forceinline, flag, INTEGRATOR_STATE, kernel_data, PATH_RAY_SHADOW_CATCHER_PASS, spectrum_to_rgb(), and state.

Referenced by integrate_light(), and integrate_surface_emission().

guiding_record_surface_segment()

ccl_device_forceinline void guiding_record_surface_segment	(	KernelGlobals	kg,
		IntegratorState	state,
		const ccl_private ShaderData *	sd )

Definition at line 84 of file kernel/integrator/guiding.h.

References assert, ccl_device_forceinline, ccl_private, flag, INTEGRATOR_STATE, kernel_data, one_float3(), PATH_RAY_SHADOW_CATCHER_PASS, state, and zero_float3().

Referenced by integrate_surface().

guiding_record_volume_bounce()

ccl_device_forceinline void guiding_record_volume_bounce	(	KernelGlobals	kg,
		IntegratorState	state,
		const ccl_private ShaderData *	sd,
		const Spectrum	weight,
		const float	pdf,
		const float3	wo,
		const float	roughness )

Definition at line 290 of file kernel/integrator/guiding.h.

References assert, ccl_device_forceinline, ccl_private, flag, INTEGRATOR_STATE, kernel_assert, kernel_data, make_float3(), one_float3(), PATH_RAY_SHADOW_CATCHER_PASS, spectrum_to_rgb(), and state.

guiding_record_volume_emission()

ccl_device_forceinline void guiding_record_volume_emission	(	KernelGlobals	kg,
		IntegratorState	state,
		const Spectrum	Le )

Definition at line 354 of file kernel/integrator/guiding.h.

References assert, ccl_device_forceinline, flag, INTEGRATOR_STATE, kernel_data, PATH_RAY_SHADOW_CATCHER_PASS, spectrum_to_rgb(), and state.

guiding_record_volume_segment()

ccl_device_forceinline void guiding_record_volume_segment	(	KernelGlobals	kg,
		IntegratorState	state,
		const float3	P,
		const float3	I )

Definition at line 262 of file kernel/integrator/guiding.h.

References assert, ccl_device_forceinline, flag, I, INTEGRATOR_STATE, kernel_data, one_float3(), P, PATH_RAY_SHADOW_CATCHER_PASS, state, and zero_float3().

guiding_record_volume_transmission()

ccl_device_forceinline void guiding_record_volume_transmission	(	KernelGlobals	kg,
		IntegratorState	state,
		const float3	transmittance_weight )

Definition at line 324 of file kernel/integrator/guiding.h.

References assert, ccl_device_forceinline, flag, INTEGRATOR_STATE, kernel_data, PATH_RAY_SHADOW_CATCHER_PASS, and state.

guiding_surface_incoming_radiance_pdf()

ccl_device_forceinline float guiding_surface_incoming_radiance_pdf	(	KernelGlobals	kg,
		IntegratorState	state,
		const float3	wo )

Definition at line 591 of file kernel/integrator/guiding.h.

References ccl_device_forceinline, and state.

guiding_write_debug_passes()

ccl_device_forceinline void guiding_write_debug_passes	(	KernelGlobals	kg,
		IntegratorState	state,
		const ccl_private ShaderData *	sd,
		ccl_global float *ccl_restrict	render_buffer )

Definition at line 500 of file kernel/integrator/guiding.h.

References bsdf_get_specular_roughness_squared(), ccl_device_forceinline, ccl_global, ccl_private, ccl_restrict, CLOSURE_IS_BSDF_OR_BSSRDF, film_pass_pixel_render_buffer(), film_write_pass_float(), i, INTEGRATOR_STATE, kernel_data, PASS_UNUSED, render_buffer, and state.

Referenced by integrate_surface().