[Mesa-dev] [Bug 105871] Discolored KDE panels after updating to Mesa 18.0 on Intel broadwell

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=105871

--- Comment #20 from Tapani Pälli <lemody at gmail.com> ---
(In reply to Alexey Min from comment #18)
> (In reply to Tasev from comment #16)
> > (In reply to sergio.callegari from comment #13)
> > > As an alternate/complement solution to the patched xserver-xorg-core on the
> > > Padoka ppa, for those using kde plasma, there is now also a patch to kwin to
> > > fix the visuals selection.
> > > 
> > > https://phabricator.kde.org/D11758
> > 
> > I tried that patch, without succes,he doesn't fix this bug.
> 
> This is understandable, because I only fixed kwin_wayland session with that,
> and I only have amd hardware to test with.
> 
> If you can point me to which config attribute kwin should/should not be
> using to avoid this, we can at least try to fix kwin_x11 too.

Problem is that kwin_x11 cannot easily avoid this because there is only one
32bit visual exposed and without the patch mentioned in bug #103699 it always
has sRGB capability which makes things go bad. It is likely that somewhere we
are missing a sRGB->linear conversion in that case. With that patch for Xorg I
wanted to restore previous behaviour back.

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