During wglShareLists() call, the other context should not be the current in a different thread. That's restriction of wgl. So calling wglShareLists() in the corresponding other context's thread seems to the most safe way.
During wglShareLists() call, the other context should not be the current in a different thread. That's restriction of wgl. So calling wglShareLists() in the corresponding other context's thread seems to the most safe way.