proper alpha values. also reduce false positive tga file detection SVN revision: 65411
quickly when uf your-encoded anything due to using IFAST decoder (and encoder). this does drop speed for decode and encode (except encoding < 60% quality where it now uses IFAST), but we don't see progressively worse artifacts. SVN revision: 65293
SVN revision: 65123
SVN revision: 65060
SVN revision: 6444