On Wed, Aug 15, 2018 at 3:10 PM Ian Romanick <i...@freedesktop.org> wrote: > > On 08/08/2018 07:12 PM, Marek Olšák wrote: > > From: Marek Olšák <marek.ol...@amd.com> > > > > because the closed driver exposes it. > > Aside from AMD_texture_texture4 being really, really under-specified, > there is one big difference between the two extensions. > > 7) Can both texture *AND* texture4 built-in functions > sample from the same sampler in a shader? > > No. > > vs. > > (5) Can both texture *AND* textureGather built-in functions > sample from the same sampler in a shader? > > RESOLVED: Yes. > > Of course, the AMD_texture_texture4 spec doesn't say what "no" means. > Compile error? Garbage results? A kitten dies? Zero guidance from the > spec. We should imitate whatever the closed driver does... unless a > kitten dies. Don't do that.
The closed driver handles it exactly the same as ARB_texture_gather, which is functionally equivalent to this patch. There is no compile error. Marek _______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/mesa-dev
