[sldev] Compressed Textures: Something to play with.

nik at terminaldischarge.net nik at terminaldischarge.net
Tue Oct 23 05:19:51 PDT 2007


Did you manage to get any performance gains with this?

or is it too early to tell?

Nik

> Here's a patch for anyone that might want to play with GL compressed
> textures.
>
> For the uninitiated, GL can (re)compress textures on the fly into a
> native (lossy) format that uses 1/4th the space in video RAM.
>
> This is just a starting point that I threw together in a few minutes;
> this is by no means a ready to go patch.
>
> Sculpties are completely and utterly broken under this patch.
> The minimap and map are broken also.
>
> For those not paying attention:
>
> THIS PATCH WILL BREAK A LOT OF THINGS.  IT IS A STARTING POINT ONLY, FOR
> THOSE DEVELOPERS WHO WANT TO PLAY WITH THIS. :)
>
> That said, it does seem to work for the most part, if someone wants to
> try to fix this up more.  The worst case quality loss is not too
> terrible, see attached images.
>
> Thanks to Sean Linden for putting these crazy ideas into my head. :)
>
> -Jason
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