#include "kernel/globals.h"
#include "kernel/light/common.h"
#include "kernel/geom/motion_triangle.h"
#include "kernel/geom/object.h"
#include "kernel/geom/triangle.h"
#include "util/math_fast.h"
#include "util/math_intersect.h"

Functions
CCL_NAMESPACE_BEGIN ccl_device_inline bool	triangle_world_space_vertices (KernelGlobals kg, const int object, const int prim, const float time, float3 V[3])
ccl_device_inline float	triangle_light_pdf_area_sampling (const float3 Ng, const float3 I, const float t)
ccl_device_forceinline float	triangle_light_pdf (KernelGlobals kg, const ccl_private ShaderData *sd, const float t)
template<bool in_volume_segment>
ccl_device_forceinline bool	triangle_light_sample (KernelGlobals kg, const int prim, const int object, const float2 rand, const float time, ccl_private LightSample *ls, const float3 P)
ccl_device_inline bool	triangle_light_valid_ray_segment (KernelGlobals kg, const float3 P, const float3 D, ccl_private Interval< float > t_range, const ccl_private LightSample ls)
template<bool in_volume_segment>
ccl_device_forceinline bool	triangle_light_tree_parameters (KernelGlobals kg, const ccl_global KernelLightTreeEmitter *kemitter, const float3 centroid, const float3 P, const float3 N, const KernelBoundingCone bcone, ccl_private float &cos_theta_u, ccl_private float2 &distance, ccl_private float3 &point_to_centroid)

Function Documentation

◆ triangle_light_pdf()

ccl_device_forceinline float triangle_light_pdf	(	KernelGlobals	kg,
		const ccl_private ShaderData *	sd,
		const float	t )

Definition at line 63 of file light/triangle.h.

References A, B, C, ccl_device_forceinline, ccl_private, cross, dot(), fabsf, fast_atan2f(), kernel_data, len, len_squared(), max, N, safe_normalize(), triangle_area(), triangle_light_pdf_area_sampling(), triangle_world_space_vertices(), UNLIKELY, and V.

Referenced by light_sample_mis_weight_forward_surface().

◆ triangle_light_pdf_area_sampling()

ccl_device_inline float triangle_light_pdf_area_sampling	(	const float3	Ng,
		const float3	I,
		const float	t )

Definition at line 50 of file light/triangle.h.

References ccl_device_inline, dot(), fabsf, and I.

Referenced by triangle_light_pdf(), and triangle_light_sample().

◆ triangle_light_sample()

template<bool in_volume_segment>

ccl_device_forceinline bool triangle_light_sample	(	KernelGlobals	kg,
		const int	prim,
		const int	object,
		const float2	rand,
		const float	time,
		ccl_private LightSample *	ls,
		const float3	P )

Definition at line 128 of file light/triangle.h.

References A, B, C, ccl_device_forceinline, ccl_private, cross, dot(), fabsf, fast_atan2f(), fast_sincosf(), FLT_MAX, kernel_data, kernel_data_fetch, len_squared(), LIGHT_TRIANGLE, max, normalize_len(), num, object_lightgroup(), P, ray_triangle_intersect(), safe_acosf(), safe_normalize(), safe_normalize_len(), SD_MIS_BACK, SD_MIS_FRONT, SD_OBJECT_NEGATIVE_SCALE, SHADER_MASK, SHADER_USE_MIS, sin_from_cos(), sin_phi(), triangle_area(), triangle_light_pdf_area_sampling(), triangle_world_space_vertices(), U, UNLIKELY, V, v, float2::x, float2::y, and z().

Referenced by light_sample().

◆ triangle_light_tree_parameters()

template<bool in_volume_segment>

ccl_device_forceinline bool triangle_light_tree_parameters	(	KernelGlobals	kg,
		const ccl_global KernelLightTreeEmitter *	kemitter,
		const float3	centroid,
		const float3	P,
		const float3	N,
		const KernelBoundingCone	bcone,
		ccl_private float &	cos_theta_u,
		ccl_private float2 &	distance,
		ccl_private float3 &	point_to_centroid )

Definition at line 300 of file light/triangle.h.

References KernelBoundingCone::axis, ccl_device_forceinline, ccl_global, ccl_private, distance(), dot(), FLT_MAX, fmaxf, fminf, i, make_float2, N, P, safe_normalize_len(), KernelBoundingCone::theta_o, and triangle_vertices().

Referenced by light_tree_emitter_importance().

◆ triangle_light_valid_ray_segment()

ccl_device_inline bool triangle_light_valid_ray_segment	(	KernelGlobals	kg,
		const float3	P,
		const float3	D,
		ccl_private Interval< float > *	t_range,
		const ccl_private LightSample *	ls )

Definition at line 280 of file light/triangle.h.

References ccl_device_inline, ccl_private, D, kernel_data_fetch, N, P, ray_plane_intersect(), SD_MIS_BACK, SD_MIS_FRONT, and SHADER_MASK.

◆ triangle_world_space_vertices()

CCL_NAMESPACE_BEGIN ccl_device_inline bool triangle_world_space_vertices	(	KernelGlobals	kg,
		const int	object,
		const int	prim,
		const float	time,
		float3	V[3] )

Definition at line 21 of file light/triangle.h.

References ccl_device_inline, kernel_data_fetch, motion_triangle_vertices(), object_fetch_transform(), object_fetch_transform_motion_test(), OBJECT_TRANSFORM, SD_OBJECT_HAS_VERTEX_MOTION, SD_OBJECT_TRANSFORM_APPLIED, transform_point(), triangle_vertices(), and V.