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How Do I Make Smaller DDS Files in GIMP?


David Brasher

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I don't really understand about compression. There are five choices that include "DTX5."

 

BC3/DXT5 (Makes the imp black like there is no normal map even though there is.)

BC3n/DXT5n

Alpha Exponent (DXT5)

YCoGg (DXT5)

YCoGg Scaled (DXT5)

 

The GIMP documentation is broken and gives an error message if you try to find out what all this tech means.

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That's strange. I've played with all kinds of textures and never had this sort of issue.

 

Wait- you're not saving it with multiple layers, are you? (it'll give a volume map prompt when you try to save it.) If it has multiple layers, you'll be screwed. Make sure everything's merged before saving.

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I have only tested a couple of ways, but both times, use of compression made my textures render as black.

 

One of these tests was with "Default, BC3/DXT5" and therefore no change to RGB.

 

My textures only have a single layer.

 

Thanks for the advice everybody!

 

I have now passed up this point in the mod and am no longer looking for a solution. I cut 10 MB off of the mod by using "RGBA4, Default" on certain piggish textures, and then bit the bullet and did an overnight upload.

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