• fogal1's avatar
    Don't allow overlaps. · 55983b2b
    fogal1 authored
    We can't composite overlapping images if either has transparency.
    I imagine there's a performance gain to be had by allowing some
    minor overlaps, but since we can't be sure it will work in all
    cases we should disable it entirely for now.
    
    We might think about adding a `has transparency' bool to our
    contracts, so we could query that in situations like this one.  Or
    we could just fix transparent compositing...
    
    git-svn-id: http://visit.ilight.com/svn/visit/trunk/src@8010 18c085ea-50e0-402c-830e-de6fd14e8384
    55983b2b
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