Maarten Lankhorst wrote: > Op 13-02-2019 om 16:53 schreef Ville Syrjälä: > > On Fri, Feb 08, 2019 at 01:49:40PM -0800, Kevin Strasser wrote: > >> This series defines new formats and adds implementation to the i915 driver. > >> Since posting v1 I have removed the pixel normalize property, as it's not > >> needed > >> for basic functionality. Also, I have been working on adding support to > >> userspace, but we can't land any patches until drm_fourcc.h has been updated > >> here. > >> > >> I have submitted a series to Mesa to make use of the RGBA ordered formats: > >> https://patchwork.freedesktop.org/series/54759/ > >> > >> My igt branch is reworked to drop usage of pixel normalize and includes use > >> of f16c intrinsics to speed up conversion: > >> https://gitlab.freedesktop.org/strassek/igt-gpu-tools/commits/fp16 > > Was that posted to the ml? I can't seem to find it. > > > > Anyways, a quick look at the web thing tells me this predates > > Maarten's cairo float stuff. I believe that has now landed so you > > should probably switch to using that instead of rendering at 8bpc. > > Yes, it's now in upstream igt. :) > > RGB96F is just a float[3] = { r, g, b }; RGBA128F is the same with the alpha > channel at the end, > > should be possible to convert to half float with the right changes to the > conversion function. I've updated my branch to use the new float formats. Here is a link to the relevant commit: https://gitlab.freedesktop.org/strassek/igt-gpu-tools/commit/11d14a37859e9dfd43755feb631e4b530d666392 Thanks, Kevin _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel
