> > > DDS files are not compressed for file storage and they > > > don't require decompression which means they load quite > > > quicly. PNG and JPG require this. > > > > If you say, DDS files are not compressed, the DXTn > > compression doesn't matter, because the algorithms > > are hardware accelerated? > > Did this features (being not compressed) pays off > > even if I write my scene into an IVE-file and load > > this file later on in another OSG application? I > > would say no, because PNG and JPG textures will > > also be stored decompressed, isn't it? > > Let me make it clear: I deliberately made a distinction > between compressed pixel and compressed image. Few DDS > supported ixel formats like DXTn use block compression > (packing). Its something bit different than image file > compression. Such image resides in the same packed pixel > format on disk and in the texture memory. > > [...]
Big thanks for the great explanation. And for any interest: Photoshop plugin: http://developer.nvidia.com/object/photoshop_dds_plugins.html GIMP plugin: http://nifelheim.dyndns.org/~cocidius/dds/ GraphicConverter: http://www.lemkesoft.com/ -- Andreas Richter _______________________________________________ osg-users mailing list [email protected] http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
