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

[Kenneth Graunke]

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:
> > > ---
> > >  docs/envvars.html | 1 +
> > >  1 file changed, 1 insertion(+)
> > >
> > > diff --git a/docs/envvars.html b/docs/envvars.html
> > > index 9eee8db..4f05d7f 100644
> > > --- a/docs/envvars.html
> > > +++ b/docs/envvars.html
> > > @@ -187,6 +187,7 @@ See the <a href="xlibdriver.html">Xlib software
> > driver page</a> for details.
> > >     <li>do32 - generate compute shader SIMD32 programs even if workgroup
> > size doesn't exceed the SIMD16 limit</li>
> > >     <li>norbc - disable single sampled render buffer compression</li>
> > >  </ul>
> > > +<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.
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