[EMAIL PROTECTED] wrote:
Hi,
I'm implemented a geomipmap terrain in a larger project, the project is
using OpenSG, and the problem is that according to the algorithm I need
to be constantly creating new geometry (the terrain patches with
different LODs).
This makes the application slow when it is creating the patches (when
the camera moves), I was wondering if there is anything that could be
done to accelerate this.
You could try to keep a cache of patches and reuse them, thus minimizing
the number of alloc/free that is being done.
Also, note that OpenSG by default builds display lists by default for
your geometry (this can be disabled on specific geometries). This means
that the first rendering of an object after a creation/change will be slow.
You will have to think about whether this is suitable for your
application or not, and maybe disable display lists (perhaps
selectively) in order to maxmize performance.
/Marcus
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