[Mesa-dev] [PATCH 21/22] swrast: stop using _DepthBuffer in triangle code

[Eric Anholt]

On Sun, 18 Dec 2011 20:08:26 -0700, Brian Paul <brianp at 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?

19, 20, 22 are:

Reviewed-by: Eric Anholt <eric at anholt.net>
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