Revert "working, w/o cross-instance"
Revert "working, w/o cross-instance"

This reverts commit 513f113fb7d9c830c4293093fc0003a506715598.

ospray/OSPRay,ospray/OSPRay,ospray/OSPRay,wilsonCernWq/ospray,wilsonCernWq/ospray,ospray/OSPRay,wilsonCernWq/ospray