Gordon (gordon++at++apollo13.demon.co.uk)
Thu, 20 Mar 1997 09:52:51 GMT
>
>Hi,
>
>When I use perfly (Performer 2.1) on our Onyx2 and O2 machines to display
>.lsb files containing textures (.rgb files) with an odd width, the textures
>are mangled. My guess is that this happens during the scaling to a power of 2,
>as the textures already appear mangled during the 'preview' when they are
>loaded. However, when we use the same textures in a vrml dataset they are
>loaded (scaled?) correctly. I find this strange, because I assume that the
>texture loader is independent of the data loaders. Is this a known bug, and
>if so, is there a fix (other than resizing the textures)?
Performer requires that ALL textures be a power of 2 in u and v,
use imginfo on the file(s) to get the size and resize them to powers
of 2 if you can. ( it is not a bug but makes for more efficient use of
texture memory)
Gordon Tomlinson
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