On Tue, Aug 22, 2017 at 7:55 PM, Ilia Mirkin <imir...@alum.mit.edu> wrote: > On Tue, Aug 22, 2017 at 1:32 PM, Marek Olšák <mar...@gmail.com> wrote: >> On Tue, Aug 22, 2017 at 7:28 PM, Ilia Mirkin <imir...@alum.mit.edu> wrote: >>> How do you propose defining the semantics for e.g. loading a 16-bit >>> value from a constbuf/ssbo? Would those get separate instructions? >> >> st/mesa should use UP2H, PK2H and similar opcodes for I16 and U16, and >> drivers can replace them with MOV if HalfPrecision == 1. > > The idea I had been toying with was to instead mark TEMP's as 16-bit > precision and letting ops like ADD infer whatever they need from that. > > I don't know whether that's any different from your suggestion, and if > it is, whether it's better or worse though. Just mentioning it.
The question is which one is easier to implement? Marek _______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/mesa-dev
