Re: Kernel video driver (was: Boot problem @ /hurd/ext2fs.static)
I'd like to note that this discussion should probably be moved to
bug-hurd, as that's the appropriate list.
Daniel Borgmann <daniel@liebesgedichte.net> wrote:
> On Mon, 2002-06-17 at 12:31, Wolfgang Jährling wrote:
> > I don't think it should be a pipe. It should make it possible for
> > applications to map the video buffer into their own memory. In addition
> > to that, it could provide a nice RPC drawing interface.
>
> Just doing the memory mapping should be a good starting point, right?
Indeed. You should use libpager for that, it should not be to hard once
you know how to do it. But I'm not sure if we will still use the same
libpager interface on L4. Neal, can you comment?
> I mean, what happens if two apps want to grab the video memory. Say a
> graphical console is launching a graphical application. This application
> could "take over" the screen somehow as long as it's running and than
> nicely release it back to the previous owner after exiting. Or somehow
> like that.
Interesting question. Maybe the framebuffer-using applications could
coordinate their accesses themselves in some way? This would be the
most flexible solution.
Cheers,
GNU/Wolfgang
--
Wolfgang Jährling <wolfgang@pro-linux.de> \\ http://stdio.cjb.net/
Debian GNU/Hurd user && Debian GNU/Linux user \\ http://www.gnu.org/
The Hurd Hacking Guide: http://www.gnu.org/software/hurd/hacking-guide/
["We're way ahead of you here. The Hurd has always been on the ]
[ cutting edge of not being good for anything." -- Roland McGrath ]
--
To UNSUBSCRIBE, email to debian-hurd-request@lists.debian.org
with a subject of "unsubscribe". Trouble? Contact listmaster@lists.debian.org
Reply to: