[sldev] Improving rendering sequence

[Dave Parks]

John Hurliman wrote:
> In theory, a
> linkset that has no alpha and all shares the same texture should be
> processed in a single batch correct?
>
>   

Right. Batches are divided by texture, fullbright, shiny, transparent,
and glow, and which spatial group they're in (view spatial groups with
the octree info display). Animated texture coordinates also break
batches as they're done with a texture matrix.