[Mesa-dev] [PATCH] docs: document INTEL_PRECISE_TRIG envvar

Jason Ekstrand jason at jlekstrand.net
Wed Jan 11 22:25:55 UTC 2017


On Wed, Jan 11, 2017 at 2:18 PM, Jordan Justen <jordan.l.justen at intel.com>
wrote:

> On 2017-01-11 12:31:28, Kenneth Graunke wrote:
> > On Wednesday, January 11, 2017 10:48:53 AM PST Jason Ekstrand wrote:
> > > On Wed, Jan 11, 2017 at 10:34 AM, Jordan Justen <
> jordan.l.justen at intel.com>
> > > wrote:
> > >
> > > > On 2017-01-11 09:53:15, Juan A. Suarez Romero wrote:
> > > > > +<li>INTEL_PRECISE_TRIG - if set to 1 in gen<10, it fixes results
> out of
> > > > [-1.0, 1.0] range for a small set of values.</li>
> > > >
> > > > Since we now have the precise_trig driconf option (d9546b0c5d1a),
> > > > should we deprecate INTEL_PRECISE_TRIG?
> > > >
> > >
> > > No.  Vulkan doesn't do driconf.
> > >
> >
> > See commit d9546b0c5d1a5136a92276cdd7c14883f0c62737 where we tried that
> > and commit be32a2132785fbc119f17e62070e007ee7d17af7 where we abandoned
> > that idea.
>
> Ok, answered ... twice.
>
> I guess there's no plans for something driconf-like for vk?
>

 Plans, yes, but nothing has materialized yet.  We haven't really had a
reason for it yet though.
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