https://bugs.kde.org/show_bug.cgi?id=364740
Martin Gräßlin changed:
What|Removed |Added
Status|CONFIRMED |RESOLVED
Resolution|---
https://bugs.kde.org/show_bug.cgi?id=364740
--- Comment #8 from Martin Gräßlin ---
and for proper rendering of the now used software cursor in the QPainter
backend we have:
* https://phabricator.kde.org/D2027
* https://phabricator.kde.org/D2028
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https://bugs.kde.org/show_bug.cgi?id=364740
Martin Gräßlin changed:
What|Removed |Added
Status|UNCONFIRMED |CONFIRMED
Flags|
https://bugs.kde.org/show_bug.cgi?id=364740
--- Comment #6 from Martin Gräßlin ---
> A guess: Maybe 32 bpp or 24 bit depth aren't supported?
quite likely. In that case it doesn't make sense to try an RGB only buffer for
the cursor. That would be not usable either. So the way forward seems to me
https://bugs.kde.org/show_bug.cgi?id=364740
--- Comment #5 from Fabian Vogt ---
(In reply to Martin Gräßlin from comment #4)
> thanks for checking my theory in the debugger.
>
> Now I'm wondering why did the map fail and what's the best thing to handle
> the fail. We could just not update the cu
https://bugs.kde.org/show_bug.cgi?id=364740
--- Comment #4 from Martin Gräßlin ---
thanks for checking my theory in the debugger.
Now I'm wondering why did the map fail and what's the best thing to handle the
fail. We could just not update the cursor, but that's not really a solution. Or
we coul
https://bugs.kde.org/show_bug.cgi?id=364740
--- Comment #3 from Fabian Vogt ---
(In reply to Martin Gräßlin from comment #1)
> I have an idea what going on. Can you get a backtrace with debug symbols and
> would you be able to compile a KWin with a patch?
Sure!
Backtrace with debug symbols:
#0
https://bugs.kde.org/show_bug.cgi?id=364740
--- Comment #2 from Martin Gräßlin ---
Adding my idea in case I forget again: the mmap of the DrmBuffer fails for the
cursor buffer. We need to catch this situation properly.
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https://bugs.kde.org/show_bug.cgi?id=364740
--- Comment #1 from Martin Gräßlin ---
I have an idea what going on. Can you get a backtrace with debug symbols and
would you be able to compile a KWin with a patch?
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