[Mesa-dev] Summer of Code ideas (maybe just an idea wishlist?)

Aditya Avinash adityaavinash1 at gmail.com
Thu Mar 26 17:54:06 PDT 2015


Are you suggesting bringing OpenCL support for Adreno gpus and using
softfloat?

On Thu, Mar 26, 2015 at 8:50 PM, Rob Clark <robdclark at gmail.com> wrote:

> On Thu, Mar 26, 2015 at 3:10 PM, Ilia Mirkin <imirkin at alum.mit.edu> wrote:
> > On Thu, Mar 26, 2015 at 3:02 PM, Jason Ekstrand <jason at jlekstrand.net>
> wrote:
> >> On Thu, Mar 26, 2015 at 12:00 PM, Aditya Avinash
> >> <adityaavinash1 at gmail.com> wrote:
> >>> I mean, implementing fp64 on single precision systems.
> >>
> >> Ok, That makes more sense!  Having lowering passes for various FP64
> >> operations would be great.
> >
> > We should make sure that there are customers of such work. It only
> > makes sense to do this when everything else but FP64 are supported for
> > GL 4.0 (including tess). r600 (eg/ni) is an obvious customer, although
> > that may be easier to do in sb (I believe GlennK has been looking at
> > it, not sure how far he's gotten). Other than that... not sure. Could
> > be that Adreno A420 can do tess && has no native fp64 support, still
> > need to figure that out (hasn't been RE'd yet).
>
> fwiw, fp64 lowering is almost certainly useful for a3xx when we get to
> the point of doing compute..
>
> (on that topic, TGSI or NIR support for clover would be kinda awesome
> to get compute going on some drivers other than radeon.. probably TGSI
> would be more immediately useful for more drivers, but not sure how
> much would need to be added to TGSI, and NIR seems to be more
> future-proof..)
>
> BR,
> -R
>
>
> >
> >   -ilia
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-- 
Regards,

*Aditya Atluri,*

*USA.*
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