Re: multielement textures

Tech-Archive recommends: Repair Windows Errors & Optimize Windows Performance

From: Eyal Teler (et_at_nospam-et3d.com)
Date: 03/18/04 

Date: Thu, 18 Mar 2004 02:17:24 +0200

> If you're doing this with fixed-function pipeline blending, then you
> need to use a dot product operator to extract out the individual
> channel. The dot product operator burns up a texture stage, so for
> most cards where you have to do FFP that leaves only a single texture
> stage to do anything interesting with the texture value.

For the alpha channel, it's possible to use D3DTA_ALPHAREPLICATE.

        Eyal

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