Hi Chris, why don't you just render the texture to another RTT / offscreen buffer and read out the pixels... should be hardware accelerated
regards Ralph Am 20.06.2011 10:53, schrieb Chris Denham: > Hi, > I have a question about extracting images from an IVE with compressed > textures. > I have a some IVE format files that have been created using a command line > e.g. "OSGCONV --compressed input.flt output.ive" > This works fine, but the problem I have is that I want to be able to reverse > the process, e.g. > "OSGCONV -O OutputTextureFiles input.ive output.osg" > The problem being, the original JPG texture images referred to by input.flt > can not be written out because the OSG JPG writer only seems to support image > pixel format GL_LUMINANCE, GL_ALPHA & GL_RGB. That is, it doesn't convert > from the compressed DDS type images that are embedded in the IVE file when > using the "--compressed" option. > > My question is, can anyone provide any tips on how to extract JPG images from > an IVE with emeddeded compressed textures? In other words, is there a way to > reverse the compression applied in osgconv by its CompressTexturesVisitor > code? > > Thank you! > > Cheers, > Chris > > ------------------ > Read this topic online here: > http://forum.openscenegraph.org/viewtopic.php?p=40679#40679 > > > > > _______________________________________________ osg-users mailing list [email protected] http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
