[Nouveau] [Bug 99400] [nouveau] garbled rendering with glamor on G71

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=99400

--- Comment #11 from Olivier Fourdan <fourdan at xfce.org> ---
(In reply to Olivier Fourdan from comment #10)
> (In reply to Olivier Fourdan from comment #9)
> >   glamor_composite_choose_shader:       Unsupported source picture format.
> >     glamor_composite_with_shader:       glamor_composite_choose_shader failed
> 
> I see the same with intel and yet rendering is correct there, so it's not
> that.

Unless the issue is with the fallback code in glamor, i.e.:

https://cgit.freedesktop.org/xorg/xserver/tree/glamor/glamor_render.c#n1699

Calling the fallback code unconditionally (i.e. "goto fail;" at the beginning
of glamor_composite() ) still exhibits the issue on nvidia/nouveau and not on
intel, but then it doesn't seem to be specific to nouveau... I am confused now.

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