Originally Posted by
Motormouse
Hi
They (DXT) don't degrade by being read by fs, and if anything , load quicker in sim... or at least they did with the systems that were state of the art when fs2004 was released.. its all to do with the number of bits/ bytes they use in memory. With today's systems and multi gigabyte hard drives for graphics and storage, this load time is less of an issue.
As you know, DXT3 is a texture compression format.
When sampled for compression, a texture is sampled in groups of 4 pixels,
within that group 2 pixels are sampled to give the resulting colour swatch for the 4 pixel group. Which is why every time you edit a DXT texture, it progressively degrades.
With older, and hence simpler lower initial resolution texture files,( eg 600 x 600) then compression loss becomes a problem, but if you're working something like 1024 x 1024 then it becomes less of an issue.
What does show up compression loss, is mipmaps, now, some systems ( graphics card and driver combination) work better with mipmaps, and some without, there's no telling which.
Ttfn
Pete
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