void FastInstanceIntersectorK<K>::occluded(vint<K>* valid, const Instance* instance, RayK<K>& ray, size_t item)
{
typedef Vec3<vfloat<K>> Vec3vfK;
typedef AffineSpaceT<LinearSpace3<Vec3vfK>> AffineSpace3vfK;
const Vec3vfK ray_org = ray.org;
const Vec3vfK ray_dir = ray.dir;
const vint<K> ray_geomID = ray.geomID;
const AffineSpace3vfK world2local(instance->world2local);
ray.org = xfmPoint (world2local,ray_org);
ray.dir = xfmVector(world2local,ray_dir);
ray.instID = instance->id;
occludedObject(valid,instance->object,ray);
ray.org = ray_org;
ray.dir = ray_dir;
}
__noinline void FastInstanceIntersectorN::occludedN(vint<N>* validi, const Instance* instance, const RTCIntersectContext* user_context, RayK<N>& ray, size_t item)
{
AffineSpace3vf<N> world2local;
const vbool<N> valid = *validi == vint<N>(-1);
if (likely(instance->numTimeSteps == 1)) world2local = instance->getWorld2Local();
else world2local = instance->getWorld2Local<N>(valid,ray.time);
const Vec3vf<N> ray_org = ray.org;
const Vec3vf<N> ray_dir = ray.dir;
ray.org = xfmPoint (world2local,ray_org);
ray.dir = xfmVector(world2local,ray_dir);
ray.instID = instance->geomID;
IntersectContext context(instance->object,user_context);
occludedObject((vint<N>*)validi,instance->object,&context,ray);
ray.org = ray_org;
ray.dir = ray_dir;
}
void FastInstanceIntersectorK<K>::occluded(vint<K>* valid, const Instance* instance, RayK<K>& ray, size_t item)
{
typedef Vec3<vfloat<K>> Vec3vfK;
typedef AffineSpaceT<LinearSpace3<Vec3vfK>> AffineSpace3vfK;
AffineSpace3vfK world2local;
if (likely(instance->numTimeSteps == 1)) {
world2local = instance->world2local[0];
} else {
vfloat<K> t1 = ray.time, t0 = vfloat<K>(1.0f)-t1;
world2local = rcp(t0*AffineSpace3vfK(instance->local2world[0]) + t1*AffineSpace3vfK(instance->local2world[1]));
}
const Vec3vfK ray_org = ray.org;
const Vec3vfK ray_dir = ray.dir;
ray.org = xfmPoint (world2local,ray_org);
ray.dir = xfmVector(world2local,ray_dir);
ray.instID = instance->id;
occludedObject(valid,instance->object,ray);
ray.org = ray_org;
ray.dir = ray_dir;
}
