[Mesa-dev] [PATCH] i965: Don't use CUBE wrap modes for integer formats.

[Kenneth Graunke]

On Tuesday, March 29, 2016 7:48:38 AM PDT Jason Ekstrand wrote:
> On Mar 28, 2016 10:36 PM, "Kenneth Graunke" <kenneth at whitecape.org> wrote:
> >
> > There is no linear filtering for integer formats, so we should always
> > be using CLAMP_TO_EDGE mode.
> >
> > Fixes 46 dEQP cases on Ivybridge.
> >
> > This workaround doesn't appear to be necessary on later hardware, and
> > I haven't found any documentation mentioning errata in this area.
> > However, it seems harmless to apply generally, so we may as well.
> 
> Seems reasonable
> 
> Reviewed-by: Jason Ekstrand <jason at jlekstrand.net>

Hmm...unfortunately, this seems to regress the 86
dEQP-GLES31.texture.gather.basic.cube.* tests I fixed in 0faf26e6a0a.

Apparently it still expects cross-face wrapping even for integer
formats...

Not really sure what to do about this.
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