I am trying to shrink down a large texture which is currently saved as R8G8B8A8. If I shrink it by saving as R8G8B8 my loader won't load it. I am now trying to save as DXT1 and Paint.net gives me options for Compressor Type. It gives me 3 options rated fast to slowest. Obviously it will take longer to save the slowest one, but will it hurt performance in game?
The options from fast to slow, and low quality to high quality are: