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f8d6ae3877
Compositors may use XWAYLAND_ALLOW_COMMITS to communicate when Xwayland
may or may not commit new buffers to a wl_surface. If commits are
denied, then later allowed, we'll only get a buffer attached if there is
actual damage posted, which might be long after.
This fixes an issue where the window manager would reparent a window
while denying commits, then after reparenting, allow commits. The window
in question belonged to a game and took several seconds produce the next
frame, resulting in an empty window appearing as if it had just
disappeared.
Signed-off-by: Jonas Ådahl <jadahl@gmail.com>
(cherry picked from commit
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