Re: Mesa 18.1.6 breaks plasma on BPO

[Julien Aubin <julien.aubin@gmail.com>]

Le lun. 27 août 2018 à 13:18, Julien Aubin <julien.aubin@gmail.com> a écrit :
>
> Hi
>
> I've seen a weird issue with the latest Mesa update w/ KDE : the
> Plasma panel appears to be broken. In the best case transparency is
> missing, in the works the bottom panel (the one with the KDE menu)
> becomes dark grey but could not reproduce it on all the machines.
>
> My config :
> - Debian Stretch amd64 w/ all updates
> - Mesa 18.1.6
> - Direct rendering / OpenGL 3.1
> - Theme : breeze w/ Kwin default settings)
> - Issue reproducible with both Intel and NVidia/nouveau drivers.
>
> The issue did not appear with Mesa 17.xx and does not appear with
> Nvidia blob. As long as direct rendering is enabled the issue appears
> (ie w/ OpenGL 2.0 it appears as well). Disabling transparency does
> nothing.
>
> The only workaround is to use XRender.
>
> Could you please fix the issue as black text over dark grey is REALLY annoying ?
>
> Thanks.

Additionnally Firefox menu button appears to be broken when OpenGL
rendering is chosen.