[Mesa-dev] [Bug 103699] Latest mesa breaks firefox on kde plasma with compositing on

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Fri Dec 1 08:38:38 UTC 2017


--- Comment #26 from Tapani Pälli <lemody at gmail.com> ---
(In reply to Mario Kleiner from comment #25)
> Another problem caused by the new Mesa srgb visuals -- and assigning srgb to
> the special 32 bit composite overlay --  seems to be that the
> xf86-video-intel ddx will only give you a black screen under KDE Plasma 5,
> as tested with KUbuntu 16.04.3 LTS + distribution provided X-Server 1.19.3.
> Found this when i disabled depth 30 after testing my 10 bpc Mesa patches on
> top of the new srgb patch and stared at a black screen after logging in
> again.
> Works fine with the intel-ddx at X-Screen "DefaultDepth 30", or with the
> modesetting ddx at regular depth 24.

Yep, the symptoms are little bit different depending on gpu (different visual
list) and how driver implements texture from pixmap with srgb (AFAIK not
defined by any spec) :/ Hopefully the patch would be reviewed soon.

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