Originally posted by WadeV1589
There's an error in the GTK JPEG loader, if you want to be able to see those "invisible" textures all the time without having to flush textures (which isn't guaranteed), get this pk3 -
http://sgmod.crashespad.com/files/texturefix.pk3) - and place it in \base\, it just contains .tga files that will load correctly in GTK.
The inviso shader prob has been in GTK ever sinceI started ussing it like 9 months ago. I'm a bit suprised that they haven't fixed it themselves yet....