When the compositor is not sending frame callbacks while we still wait on buffer release events fake a continuous msc counter with a timer.
Having this timer is a prerequisite for queuing events.
86df36697 xwayland: Add fallback timer for msc counting
hw/xwayland/xwayland-present.c | 70 ++++++++++++++++++++++++++++++++++++++++++
hw/xwayland/xwayland.h | 3 ++
2 files changed, 73 insertions(+)