On Thu, 22 Dec 2011 17:43:57 -0800, "Ian Romanick" <i...@freedesktop.org> wrote: > From: Ian Romanick <ian.d.roman...@intel.com> > > There are a couple scenarios where the source could be zero and the > operand could be either SRC_ALPHA or ONE_MINUS_SRC_ALPHA. For > example, if the source was ZERO. This would result in something like > (0).w, and a later call to ir_validate would get angry. > > Signed-off-by: Ian Romanick <ian.d.roman...@intel.com> > Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=42517
In other cases of handling this in the code, I was using the little smear() helper function. I'd tend towards using that here as well, but no strong feeling. There's also a "bump = get_source(...)" in the bumpmap handling that looks like it could use the same treatment. I think I've reviewed all the other swizzles in the code now.
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