Quantum 712b1cbc46 [client] overlay/graphs: allow unregistering after shutdown
The Wayland display server has a graph for presentation times, but the
backend shuts down after the overlays, so calling
overlayGraph_unregister causes memory corruption. We can avoid this
problem by making unregister a noop after all graphs have been freed.

This is safe because updating the graph doesn't use the graph handle:
instead you update the ringbuffer which is owned by the user.
2022-05-27 18:18:15 +10:00
..
2018-05-23 08:46:03 +10:00