triangle_intersect.h File Reference

#include "kernel/sample/lcg.h"

Go to the source code of this file.

Functions
CCL_NAMESPACE_BEGIN ccl_device_inline bool	triangle_intersect (KernelGlobals kg, ccl_private Intersection *isect, float3 P, float3 dir, float tmin, float tmax, uint visibility, int object, int prim, int prim_addr)
ccl_device_inline float3	triangle_point_from_uv (KernelGlobals kg, ccl_private ShaderData *sd, const int isect_prim, const float u, const float v)
ccl_device_inline void	triangle_shader_setup (KernelGlobals kg, ccl_private ShaderData *sd)

Function Documentation

triangle_intersect()

CCL_NAMESPACE_BEGIN ccl_device_inline bool triangle_intersect	(	KernelGlobals	kg,
		ccl_private Intersection *	isect,
		float3	P,
		float3	dir,
		float	tmin,
		float	tmax,
		uint	visibility,
		int	object,
		int	prim,
		int	prim_addr )

Definition at line 17 of file triangle_intersect.h.

References kernel_data_fetch, P, PRIMITIVE_TRIANGLE, ray_triangle_intersect(), v, uint3::x, uint3::y, and uint3::z.

Referenced by BVH(), BVH(), and BVH().

triangle_point_from_uv()

ccl_device_inline float3 triangle_point_from_uv	(	KernelGlobals	kg,
		ccl_private ShaderData *	sd,
		const int	isect_prim,
		const float	u,
		const float	v )

Use the barycentric coordinates to get the intersection location

Definition at line 140 of file triangle_intersect.h.

References kernel_data_fetch, object_get_transform(), P, SD_OBJECT_TRANSFORM_APPLIED, transform_point(), v, uint3::x, uint3::y, and uint3::z.

Referenced by triangle_shader_setup().

triangle_shader_setup()

ccl_device_inline void triangle_shader_setup	(	KernelGlobals	kg,
		ccl_private ShaderData *	sd )

Definition at line 162 of file triangle_intersect.h.

References kernel_data_fetch, SHADER_SMOOTH_NORMAL, triangle_dPdudv(), triangle_normal(), triangle_point_from_uv(), and triangle_smooth_normal().

Referenced by shader_setup_from_ray().