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https://bugs.freedesktop.org/show_bug.cgi?id=6891
------- Additional Comments From [EMAIL PROTECTED] 2006-05-12 11:52 -------
Since glPushAttrib((GLbitfield) GL_EVAL_BIT);/glPopAttrib(); also are done
here when drawing NURBS, the performance impact can not be that high;
furthermore, when just tesselating, performance is not a critical issue.
But of course it is nice, when things can be made efficient with only
small effort. One more efficient way would be to use a flag to let push/pop
happen only once per NURBS primitive (but this approach is maybe too
complicated: how to detect the last call to endmap2f()?), another way would
be to generally do a push/pop per NURBS primitive in a higher level of GLU,
e.g. in glinterface.cc/gluBeginSurface(),gluEndSurface().
How about that?
best regards,
Randolf,
--
http://www.ayam3d.org/ Ayam, we take NURBS seriously!
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