[osg-users] Image::isImageTranslucent() failed when using DXT3 dds texture

Robert Osfield robert.osfield at gmail.com
Tue Sep 16 03:23:04 PDT 2008


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.

Robert.



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