[Mesa-dev] [PATCH 05/16] st/nine: Workaround barycentrics issue on some cards

[Axel Davy]

Le 24/04/2015 23:19, Ilia Mirkin a écrit :
> On Fri, Apr 24, 2015 at 4:09 PM, Axel Davy <axel.davy at ens.fr> wrote:
> Might I suggest either describing the bug or the solution to the bug? e.g.
>
> boolean shift_viewport;
>
> Perhaps there's another different buggy barycentric problem which is
> solved in an entirely different way.
>
> Either way,
>
> Acked-by: Ilia Mirkin <imirkin at alum.mit.edu>
>
> (I don't sufficiently understand the problem to verify that your
> solution is correct.)
>
> BTW, have you thought about FBO flipping? Do you have to translate in
> the other direction in that case? Or I guess the scaling takes care of
> that...
>
>
In d3d9 we don't have the FBO flipping problem: coordinates are always 
the same.