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.
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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.