> Well this is still the rule. You can only add, subtract, multiply,
> interpolate or dot3 but not a combination between these. And only
> interpolation uses 3 sources. (Couldn't think of a good use for this one
> yet, though it's fancy idea) That's because it seems it only uses
> one combiner
You can do a combination of those combine modes, but
you will need to set up multiple texture unit states. Such as,
texture unit state 0 will do dot3 with object color and
normal map, then texture unit state 1 will do add with
pixels from texture unit state 0 and a constant color.
This approach, however, does have a limitation that it ties to
multitexturing. And the number of combines
that can be done is limited to the number of texture units
that are supported by the underlying library.
-Charmaine
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