| 12 | namespace isa |
| 13 | { |
| 14 | void InstanceArrayIntersector1::intersect(const Precalculations& pre, RayHit& ray, RayQueryContext* context, const Primitive& prim) |
| 15 | { |
| 16 | InstanceArray* instance = context->scene->get<InstanceArray>(prim.instID_); |
| 17 | Accel* object = instance->getObject(prim.primID_); |
| 18 | if (!object) return; |
| 19 | |
| 20 | /* perform ray mask test */ |
| 21 | #if defined(EMBREE_RAY_MASK) |
| 22 | if ((ray.mask & instance->mask) == 0) |
| 23 | return; |
| 24 | #endif |
| 25 | |
| 26 | RTCRayQueryContext* user_context = context->user; |
| 27 | if (likely(instance_id_stack::push(user_context, prim.instID_, prim.primID_))) |
| 28 | { |
| 29 | const AffineSpace3fa world2local = instance->getWorld2Local(prim.primID_); |
| 30 | const Vec3ff ray_org = ray.org; |
| 31 | const Vec3ff ray_dir = ray.dir; |
| 32 | ray.org = Vec3ff(xfmPoint(world2local, ray_org), ray.tnear()); |
| 33 | ray.dir = Vec3ff(xfmVector(world2local, ray_dir), ray.time()); |
| 34 | RayQueryContext newcontext((Scene*)object, user_context, context->args); |
| 35 | object->intersectors.intersect((RTCRayHit&)ray, &newcontext); |
| 36 | ray.org = ray_org; |
| 37 | ray.dir = ray_dir; |
| 38 | instance_id_stack::pop(user_context); |
| 39 | } |
| 40 | } |
| 41 | |
| 42 | bool InstanceArrayIntersector1::occluded(const Precalculations& pre, Ray& ray, RayQueryContext* context, const Primitive& prim) |
| 43 | { |