[osg-users] [osgPlugins] DDS textures not loading on Mac OSX and the latest trunk(3.5.0)

Robert Osfield robert.osfield at gmail.com
Tue Aug 11 14:17:52 PDT 2015

Hi Curtis,

Thanks for posting the model.   I'm downloading it now.

However it's pretty late here in Scotland, and I have a lot of other
work to prep for the OSG-3.4 release and presentation work to do for
the OSG BOF at Siggraph tomorrow so really don't have time to look
into this evening.  Might have chance tomorrow morning.

I don't have an OSX box to test on, so the only tests I can do are to
look at validity of the DDS files themselves and the code that is
reading them, and the OSG code that is downloading the mipmaps to
OpenGL.  There is chance I might spot something helpful, but suspect
it will be a case of ruling things out and relying upon OSX users to
do specific tests to confirm the cause of the problem.

It would be very helpful if others could pitch in and look into what
might be causing the problem on the OSX.  In particular different
rev's of OSX and different hardware, i.e. Intel vs AMD vs NVidia.  It
may be that certain combinations of drivers and hardware are the root


On 11 August 2015 at 21:44, Curtis Rubel <crubel at compro.net> wrote:
> Hi Robert,
> The files ended up being a bit to big to upload I guess as it kept failing.
> Here is a a link to my dropbox...
> It contains a zip of the flt file, all the dds textures and a .osgb
> file converted on the mac.
> https://www.dropbox.com/s/t5r8x1s7ee6m107/DDS_TEST.zip?dl=0
> This tile will load the textures when I comment out the line I mentioned.   Right now that line is back in and no textures are loading.
> The issue I see is that while on the MAC I cannot see the textures in osgviewer, when I unzip these files on my linux system and load the osgb file, the textures load properly.  So seems its something to do only with the actual loading of the textures and not building of the .osgb
> file itself.
> We can duplicate this on all our macs, so it does not appear to be just
> a one bad mac issue either....
> ...
> Thank you!
> Cheers,
> Curtis
> ------------------
> Read this topic online here:
> http://forum.openscenegraph.org/viewtopic.php?p=64728#64728
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