Chris Metzler writes: > > Paul Surgeon wrote: > > > > Curtis L. Olson wrote: > >> > >> Do the textures stay compressed in video ram, does the texture render > >> unit render from the compressed texture, or does it have to uncompress > >> it in video ram before rendering it? > > > > I'm not sure about that - I'll have to makes some inquiries and find out > > how video cards actually handle the rendering of compressed textures. > > There would be no point if all the textures were uncompressed at the > > same time into VRAM. > > >From http://www.simforums.com/forums/forum_posts.asp?TID=4958&PN=1 > > [ snip ] > } The compressions are not meant to save disk drive space (plenty of it) > } but to: > } > } -reduce the video card memory useage, as since the Geforce2, video > } cards can directly render a compressed texture on a 3D polygon without > } decompressing it > [ snip ]
This is true ..... but don't forget the gain achieved by reducing the disk to memory bandwith required just-need-bigger-disks'ly yours Norman _______________________________________________ Flightgear-devel mailing list [EMAIL PROTECTED] http://mail.flightgear.org/mailman/listinfo/flightgear-devel 2f585eeea02e2c79d7b1d8c4963bae2d