B3D busted on Linux?

Duane Maxwell dmaxwell at entrypoint.com
Tue Nov 2 19:03:51 UTC 1999


Hey all -

We're trying to diagnose a problem with B3D on Squeak 2.5 and 2.6 under
Linux, and was hoping that someone out there could confirm what we're
seeing.

The simplest thing to check is "Play With Me - 7".  On our machine, the
ground is a pale blue instead of green.  In general, the entire bunny image
has a bluish cast. Also, in the B3DSceneMorph, the cube's colors are washed
out.

We're occasionally getting Segmentation Faults.

On the other hand, we're seeing some seemingly correct behaviors under
Linux that we're not seeing on the Mac.  In the B3DSceneMorph, the rotating
cube is supposed to have 50% translucent faces, which they do under Linux,
though pale as noted above.  On the Mac, they are rendered totally opaque.

We cannot detect problems in other subsystems - color is rendered properly
in the rest of Balloon (or at least consistently across platforms) and
BitBlt.

We checked all these on a Linux 2.6 build downloaded just today.  We have
reproduced these problems under 2.5 also.

If you can confirm one way of the other if you're seeing the same behavior,
please let me know.

Thanks!

-- Duane





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