NVIDIA Developer – 7 Mar 11 Legacy Texture Tools it will let you see DDS files in explorer as thumbnails! If you are a windows user, here is a nice utility. Compression ratio of DDS is 8x or 4x depending on the alpha channel requirements. So DDS is clearly superior for performances, especially if you don’t have tons of video memory. DDS textures are sent straight to the video memory, stored as is (compressed), and uncompressed on the fly by the hardware at no cost (in fact, there is a gain because there is less memory access) PNG or JPG textures are uncompressed by software, then sent, stored and used raw, uncompressed in the video memory Normal maps give your models a lighting trick to make fine details on your models. Normal maps in GLSL, and Direct Draw surfaces (DDS).
With the release of 2.48 we have 2 very special features added!
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