On Thu, 22 Dec 2011 10:43:57 -0700, Brian Paul <brian.e.p...@gmail.com> wrote: > On Wed, Dec 21, 2011 at 2:16 PM, Eric Anholt <e...@anholt.net> wrote: > > On Sun, 18 Dec 2011 20:08:26 -0700, Brian Paul <bri...@vmware.com> wrote: > >> The only consequence is we can only use the occlusion_zless_16_triangle() > >> function with MESA_FORMAT_Z16. > > > > I'm not following that conclusion, probably due to ignorance of swrast > > spans code. I would think that Z32 would still work for that other path > > -- or is span.z stored as something other than 32 bits of Z in that > > case, too? > > Z32 would still work, but in practice that format of depth buffer is > seldom used with swrast. Z16 is the default. I was tempted to remove > the function entirely.
I'd love a commit message rewording to that extent -- I spent a while trying to puzzle through it.
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