[osg-users] Image::isImageTranslucent() failed when using DXT3dds texture

Norman Vine nhv at cape.com
Tue Sep 16 03:36:56 PDT 2008


Robert Osfield writes

> Subject: Re: [osg-users] Image::isImageTranslucent() failed 
> when using DXT3dds texture
> 
> Hi Amalric,
> 
> On Tue, Sep 16, 2008 at 11:04 AM, amalric alexandre
> <alex.pixxim at gmail.com> wrote:
> > Is it possible to handle pixel format corresponding to DXT3 format ?
> 
> It's possible, but far more complicated than with uncompressed pixel
> formats as you'll need to unpack the pixels for each of the
> compression scheme.  It'd be great to have code to uncompressed blocks
> of pixels, but since the compression schemes haven't been widely
> published it does mean you'll need to go route out the specs.   You
> have my support and encouragement if you wish to explore this route.

 http://code.google.com/p/libsquish/

Should help anyone wanting to play with this

Norman




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