On Wed, Aug 23, 2017 at 6:19 PM, Marek Olšák <mar...@gmail.com> wrote: > On Wed, Aug 23, 2017 at 3:08 PM, Nicolai Hähnle <nhaeh...@gmail.com> wrote: >> >> Here's another question: What does "low precision" mean on a texture >> instruction? Are the offsets low precision or is it the output? Maybe we can >> punt on this for now -- at least GCN doesn't have low precision there >> anyway. > > HalfPrecision means that all dst and src sources can be 16-bit. > > If the consumer of a TEX instruction is 16-bit, TEX should return > 16-bit automatically. If a source of a TEX instruction is 16-bit, TEX > should accept 16-bit automatically.
This sounds inconsistent with how lowp works; a texture-sampler declared as lowp in GLSL only have low precision output AFAIK. _______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/mesa-dev
