On Fri, Jan 25, 2019 at 10:58 AM Ilia Mirkin <imir...@alum.mit.edu> wrote: > > IMAD_S24 isn't src0 * src1 + src2 though. I think this could be called > imad24, which I suspect exits on many GPUs (nv50-era NVIDIA definitely > had this, and I think maxwell+ has a variant of this implemented by > XMAD): > > (src0 * src1) & 0xffffff + src2
And of course even that's wrong... the 24th bit has to get sign-extended on that. Can express it with shifts. _______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/mesa-dev
