3209b094a3
If a pixmap header is modified or the drawable serial changes, some aspects of the drawable are likely to have changed so we should re-allocate the corresponding DRI2 drawable in that case. This is one way of catching when the root window pixmap changes through xrandr. Fixes bug https://bugs.freedesktop.org/show_bug.cgi?id=28365. Reviewed-by: Keith Packard <keithp@keithp.com> Reviewed-by: Kristian Høgsberg <krh@bitplanet.net> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org> Signed-off-by: Keith Packard <keithp@keithp.com>