triangle.h File Reference

#include "kernel/geom/geom.h"

Go to the source code of this file.

Functions
CCL_NAMESPACE_BEGIN ccl_device_inline bool	triangle_world_space_vertices (KernelGlobals kg, int object, int prim, float time, float3 V[3])
ccl_device_inline float	triangle_light_pdf_area_sampling (const float3 Ng, const float3 I, float t)
ccl_device_forceinline float	triangle_light_pdf (KernelGlobals kg, ccl_private const ShaderData *sd, float t)
template<bool in_volume_segment>
ccl_device_forceinline bool	triangle_light_sample (KernelGlobals kg, int prim, int object, const float2 rand, 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 float2 *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 BoundingCone 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,
		ccl_private const ShaderData *	sd,
		float	t )

Definition at line 52 of file light/triangle.h.

References B, 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,
		float	t )

Definition at line 41 of file light/triangle.h.

References 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,
		int	prim,
		int	object,
		const float2	rand,
		float	time,
		ccl_private LightSample *	ls,
		const float3	P )

Definition at line 119 of file light/triangle.h.

References B, cross(), dot(), fabsf, fast_atan2f(), fast_sincosf(), FLT_MAX, kernel_data, kernel_data_fetch, LAMP_NONE, len_squared(), LIGHT_TRIANGLE, max, normalize_len(), 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(), 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 BoundingCone	bcone,
		ccl_private float &	cos_theta_u,
		ccl_private float2 &	distance,
		ccl_private float3 &	point_to_centroid )

Definition at line 293 of file light/triangle.h.

References dot(), FLT_MAX, fmaxf, fminf, make_float2(), N, P, safe_normalize_len(), 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 float2 *	t_range,
		const ccl_private LightSample *	ls )

Definition at line 273 of file light/triangle.h.

References 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,
		int	object,
		int	prim,
		float	time,
		float3	V[3] )

Definition at line 12 of file light/triangle.h.

References kernel_data_fetch, motion_triangle_vertices(), NULL, 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.

Referenced by triangle_light_pdf(), and triangle_light_sample().