 {
   RTCIntersectContext context;
   rtcInitIntersectContext(&context);
-  rtcOccluded(scene,&context,&ray);
+  rtcOccludedV(scene,&context,&ray);
   COMMENT FIXME: ray is occluded when ray.tfar < 0.0f
 }
 }@@

@@{ispc
rtcIntersectEx(EXPR scene,EXPR context,EXPR query);
=>
rtcIntersect(scene,context,&query);
query.hit.Ng_x = -query.hit.Ng_x;  // FIXME: only correct for triangles,quads, and subdivision surfaces
query.hit.Ng_y = -query.hit.Ng_y;
query.hit.Ng_z = -query.hit.Ng_z;

@@{ispc
rtcOccluded1Ex(EXPR scene,EXPR context,EXPR ray);
=>
rtcOccludedV(scene,context,&ray);
COMMENT FIXME: ray is occluded when ray.tfar < 0.0f
}@@

