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. -Brian _______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/mesa-dev