[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 #16 from Olivier Fourdan <fourdan at xfce.org> ---
(In reply to Ilia Mirkin from comment #13)
> I'd like to help you, but I'm just not sure how -- I don't have Wayland (or
> any interest in setting that up), and your traces appear incomplete. I don't
> know why - I've never seen that before. But they don't create contexts.
> [...]
> While the Xwayland trace has none of those. Paradoxically, it starts at call
> 31. Perhaps you have a non-egl-enabled apitrace? Also note that there's not
> a single instance of UseProgram or any other shader-related items in the
> XWayland trace.
Oh right... Blimey! You got me thinking here, you're right, those Xwayland
traces are just wrong, it's libepoxy not playing nice with "apitrace --api-egl"
(https://github.com/anholt/libepoxy/issues/68) so I picked up the forked
version libexpoy, rebuilt apitrace and Xwayland and was able to capture a much
better trace!

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