Tomlinson, Gordon wrote:
Hi Vincent
Of the top of my head I would assume it an optimizer that's without
looking at the code
as generally you want to optimize and share states as state changes is
one of the big hurts
in the OGL pipe line
Not really on-topic, but I always wondered if there is some kind of
overview of which OpenGL state changes are more expensive than others.
E.g. setting the new current color is almost certainly cheaper than
making a different 2D texture active. Browsing through the OSG code I
couldn't really pinpoint where such an order is assumed.
Regards,
Paul
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