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Compression textures with lines and transparency

question resolved graphics texture-tools texture dds

alg 05/02/12 - 11:30

Hello. I'm trying to compress my textures, that contains lines and gradient transparency to dds format via nvidia texture tools. I'm using dxt5 compression, and all is ok, but my lines always looks aliased. With png compression i'm not expected the same thing and all looks good. Any suggestions?

3 replies 0 new

link | Flagged as solution by joreg. Remove solution flag. joreg (vvvvgroup) 05/02/2012 - 16:14

hei alg, dds compression is not lossless while png is. as far as i remember with dds always 4 neighbouring pixels are being compressed into one (somehow). this would definitely explain why small structures (like thin lines) loose contour..

link | Flag this reply as a solution. hrovac 05/02/2012 - 20:27

your lines have only one colour? you can try A8L8 compression. or if your lines are with different colours you can use a 2nd smaller (colored)texture and add the colour via shader in vvvv

link | Flag this reply as a solution. alg 05/02/2012 - 21:23

@joreg thx, yes, looks like this.
@hrovac interesting, but my lines is colored and have gradients. On same image it have different colors.

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