On Mon, Jan 11, 2016 at 9:53 PM, Connor Abbott <cwabbo...@gmail.com> wrote: > On Mon, Jan 11, 2016 at 9:21 AM, Jose Fonseca <jfons...@vmware.com> wrote: >> FWIW, I updated SCons to build NIR, both with GCC and MSVC: >> >> http://cgit.freedesktop.org/~jrfonseca/mesa/log/?h=scons-nir >> >> It was actually simpler than I anticipated. >> >> But I hit a wall -- there's actually no way to get NIR used with >> softpipe/llvmpipe, not even as an intermediate IR somewhere between GLSL IR >> and TGSI, is there? >> >> Without this I can't actually test it. And I'm afraid the scons integration >> will rot again unless it is used. > > So, to answer the immediate question -- one way we could get NIR used > and tested with scons/gallium relatively soon would be to pick up > Eric's NIR -> TGSI work and use it to replace the Mesa IR -> TGSI path > with Mesa IR -> NIR -> TGSI. It would a simpler stepping-stone to GLSL > -> NIR -> TGSI since you don't have to deal with more modern features, > and it would have a few tangible benefits: old assembly shaders would > get much better optimizations before being passed to drivers, and it > would get us closer to the goal of replacing Mesa IR entirely by > getting rid of the second-to-last direct consumer of Mesa IR (the last > one being r200).
Not quite true -- there's also the interpreter in swrast and i915. _______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/mesa-dev
