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Old 01-09-2004, 12:23 AM   #40
eiz
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Join Date: Jan 2004
Posts: 35
Ahh yes, I had forgotten about the 0 data length = RGBA encoding thing, although I'm still trying to get DXT3 and especially DXT5 which is a creation of the purest evil to function properly. Hopefully I will be able to get it working tonight.

As for your experiment, the former 8 bytes of a 16-byte block control the alpha, which should explain your results. Everything else (except the 1-bit alpha mode) is the same as DXT1.

Last edited by eiz; 01-09-2004 at 12:42 AM.
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