"Friends don't let friends implement PSM"
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Query FailedAnonymous
Friday, June 18, 2004

"about that ON the web", that is of course
Nico
Friday, June 18, 2004

Humus, are you sure your converter works? It seems to me that you store the 4x4 pixel blocks in that order in the file: 3bit-indices for the x channel, min and max x, 3bit-indices for y channel, min and max y (at least it looks like that in my hex editor). I thought the right way was: min and max x, 3bit-indices x, min and max y, 3bit-indices y. However, I'm not sure if this *is* the right way or if you store the texture as I think you do. It's just that I'm currently too stupid to decode the textures your program produces, so I thought I complain here

Seriously, could you enlighten me what the correct layout for the 4x4 pixel blocks is? I couldn't find anything about that for the web (only the hint that it's basically like DXTC5).

TIA.
Anonymous
Wednesday, June 16, 2004

light shaft and parallax would be nice! thanks
fivefives
Tuesday, June 15, 2004

have you seen this, yet? thought it was VERY interesting.

http://www.digit-life.com/articles2/radeon/rx800-3.html#p10

don't tell the ATI bigwigs, though
Humus
Sunday, June 13, 2004

Well, the non-marketing name for 3Dc is ATI2N, and ATI2 is obviously then the first four chars.
Nico
Sunday, June 13, 2004

Another quesion: If the FourCC for 3Dc textures is ATI2, what does ATI1 mean? And are there more ATIx FourCCs? TIA.
Nico
Sunday, June 13, 2004

Another quesion: If the FourCC for 3Dc textures is ATI2, what does ATI1 mean? And are there more ATIx FourCCs? TIA.
Nico
Saturday, June 12, 2004

Oh, sorry, I just found it myself. Together with the source of your converter I should be able to figure it out. For others, here's the white paper:
http://www.ati.com/products/radeonx800/3DcWhitePaper.pdf
Nice Job & Thanks!
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