> > Try adding a call to fl_activate_glcanvas() before any call to
> > OpenGL/MesaGL routines. Even if you have only one OpenGL drawing
>
> I already tried that, but didn't make any difference. Anyway, the call
> was in the "expose" handler FOR the glcanvas, so it should be valid.
XForms doesn't automatically make a fl_activate_glcanvas() call for
you when it enters your handler, so you need to do it.
Since I don't recall the context, all I can suggest is to check all
your OpenGL calls for validity by calling glGetError().
spl
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