On Tue, 2010-04-13 at 23:27 -0700, Dave Airlie wrote: > So I've finished the r300g point sprite code and this test fails, > fglrx fails the exact same way. > > http://people.freedesktop.org/~airlied/piglit/fglrx/fglrxr500/test_glean__pointSprite.html > > It appears the point size where the texture sampler decides to use the > next mipmap is different than the swrast/softpipe. > > Any GL experts tell me if this is actually well specified or hw specific?
I think it's pretty well specified. See the calculations of lambda in section 3.8 of the GL spec. I don't know if hardware is as uniform as that makes out though. Keith _______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/mesa-dev