D26090: Reset buffer swap state on stop
Roman Gilg
noreply at phabricator.kde.org
Wed Dec 18 20:33:31 GMT 2019
romangg created this revision.
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REVISION SUMMARY
When the compositor is stopped there might still be a buffer swap ongoing, in
particular when a client blocks compositing on X11.
Depending on the backend the next buffer swap event might be handled in
bufferSwapComplete (Wayland) or not be handled (X11 GLX, since a new
GLX window will be created while the swap event is sent for the old one).
With this patch the buffer swap state is reset on stop such that on later
start no outdated data might create errors and instead a new repaint can be
triggered with updated data.
BUG: 415262
TEST PLAN
Manually on X11 and Wayland.
REPOSITORY
R108 KWin
BRANCH
fix-compositor-stop
REVISION DETAIL
https://phabricator.kde.org/D26090
AFFECTED FILES
composite.cpp
To: romangg, #kwin
Cc: kwin, LeGast00n, The-Feren-OS-Dev, sbergeron, jraleigh, zachus, fbampaloukas, GB_2, mkulinski, ragreen, jackyalcine, iodelay, crozbo, bwowk, ZrenBot, ngraham, alexeymin, himcesjf, lesliezhai, ali-mohamed, hardening, romangg, jensreuterberg, abetts, sebas, apol, ahiemstra, mart
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