On Sun, 5 Sep 2004, Hagen Fritsch wrote: > Hello, > i just got an old 386 pc with a greyscale display. Since there is no hard-disk > and floppy has a little to less space for linux with an x-server, it uses > ms-dos. > Terminal emulation over the serial console works fine, so i thought there must > be a way to get an "remote" x-server on that screen to use all the advantages > of a linux-gui. So i sat down, wrote a dos-programm that can write pixels or > draw rects on the screen and which receives its commands from the > serial-port. Now the only thing missing is a driver for the X-Server to tell > him how to write graphics to the serial-port. > Since I'm not that familiar with the X-architecture, I was wondering how to > start this driver. I looked at the dummy-driver-source, but all i found there > was initialisation stuff and nothing to wrap the actual routines for drawing > on the screen. > Another idea i got, was to communicate using sockets, but that would mean, > that i have to implement the xdmcp and the x-protocoll, which seems likely to > be a quite larger piece of work. > So if anybody understands what i'm trying to do, maybe he could give me some > hints to point me in the right direction.
I'd try basing a driver on the shadowfb code, as this would give you rects to pass down the serial line. Alternatively, does VNC support greyscale ? It is supposed to be a lightweight protocol, so it might be a simpler task to write a vnclient for DOS. _______________________________________________ Devel mailing list [EMAIL PROTECTED] http://XFree86.Org/mailman/listinfo/devel
