RTCRayHitN(3)

NAME


RTCRayHitN - combined ray/hit packet of runtime size

SYNOPSIS


#include <embree3/rtcore_ray.h>
struct RTCRayHitN;
struct RTCRayN* RTCRayHitN_RayN(struct RTCRayHitN* rayhit, unsigned int N);
struct RTCHitN* RTCRayHitN_HitN(struct RTCRayHitN* rayhit, unsigned int N);

When the packet size of a ray/hit structure is not known at compile time (e.g. when Embree returns a ray/hit packet in the RTCIntersectFunctionN callback function), Embree uses the RTCRayHitN type for ray packets. These ray/hit packets can only have sizes of 1, 4, 8, or 16. No other packet size will be used.

You can either implement different special code paths for each of these possible packet sizes and cast the ray/hit to the appropriate ray/hit packet type, or extract the RTCRayN and RTCHitN components using the rtcGetRayN and rtcGetHitN helper functions and use the RTCRayN_XXX and RTCHitN_XXX functions to access the ray and hit parts of the structure.

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