[Mesa-stable] [Mesa-dev] [PATCH 1/5] st/nine: Clamp RCP when 0*inf!=0

[Ilia Mirkin]

On Sun, Sep 9, 2018 at 3:19 PM, Axel Davy <davyaxel0 at gmail.com> wrote:
> Tests showed Intel on windows does always clamp
> RCP, RSQ and LOG (thus preventing inf/nan generation),
> for all shader versions (some vendor behaviours vary
> with shader versions).

By the way, this happens because on Intel, the ALU is put into a
special mode where it just doesn't generate NaN's at all under any
conditions. I don't think that other vendors operate this way.