[Mesa-dev] [Bug 98846] triangle clipping causes wrong vertex's attribute to be broadcasted for flat interpolation

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=98846

--- Comment #4 from Zebediah Figura <z.figura12 at gmail.com> ---
(In reply to Roland Scheidegger from comment #3)
> I suspect it's a different issue. For llvmpipe the piglit test you pointed
> out works just fine.
> (I have some suspicion for llvmpipe/softpipe it would make a difference if
> you use interpolation qualifier flat vs. shade model flat. See the FIXME in
> draw_pt_decompose.h - the order of decomposing should only be determined by
> flatshade_first, and not depend on if flatshade is actually active. But we
> need this to compensate for some bug elsewhere, apparently...)

Yes, you're right; I see now this is a different bug. Sorry for polluting this
one. I've opened bug 110451.

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