scott wrote:
> [...]
> 
> This could be used for fast previews or even final renders if the speed 
> was good with large array sizes.

Tesselating an isosurface - no matter what kind of algorithm you use - 
is quite slow so a preview render would be a very bad example for using 
such a technique.  The most interesting uses for this would be low 
detail isosurfaces in a slow render or an animation or the possibility 
to edit the mesh in a mesh editor afterwards.  Being able to get a fast 
preview from a detailed isosurface is actually a significant advantage 
of the direct approach.

Apart from that this is a very good example of a feature that would make 
sense to have implemented in a new, more powerful SDL.  Having such a 
technique implemented internally would add considerable bloat unrelated 
to the actual renderer to the source code without a real advantage.

Christoph

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