[Libre-soc-dev] Hardware-accelerated specialized instructions

Cole Poirier colepoirier at gmail.com
Fri Dec 11 00:29:54 GMT 2020

On Thu, Dec 10, 2020 at 4:25 PM Jacob Lifshay <programmerjake at gmail.com> wrote:
> On Thu, Dec 10, 2020, 16:14 Luke Kenneth Casson Leighton <lkcl at lkcl.net>
> wrote:
> > you make a hardware triangle fill unit like Jeff did, it's not going
> > to do multiplication, is it?
> >
> it might, since the per-pixel function is just a vec4 dot product followed
> by a reciprocal and a pile of mul-adds.

So the hypothetical pixel instruction in this case would use a mul
unit, an add unit, and a specialized reciprocal unit?


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