Re: OpenGL-based framebuffer concepts

[Geert Uytterhoeven]

On Wed, 31 May 2006, Antonino A. Daplas wrote:
> Ondrej Zajicek wrote:
> > On Tue, May 30, 2006 at 10:40:20AM -0700, David Lang wrote:
> >> as a long time linux user I tend to not to use the framebuffer, but 
> >> instead use the standard vga text drivers (with X and sometimes dri/drm).
> >>
> >> in part this dates back to my early experiances with the framebuffer code 
> >> when it was first introduced, but I still find that the framebuffer is not 
> >> as nice to use as the simpler direct access for text modes. and when I 
> >> start X up it doesn't need a framebuffer, so why suffer with the 
> >> performance hit of the framebuffer?
> > 
> > Many users want to use text mode for console. But this request is not
> > in contradiction with fbdev and fbcon. It just requires to do some work:
> > 
> > 1) To extend fbcon to be able to handle framebuffer in text mode.
> 
> And it can be done.  The matrox driver in 2.4 can do just that.  For 2.6,
> we have tileblitting which is a drawing method that can handle pure text.
> None of the drivers use this, but vgacon can be trivially written as a
> framebuffer driver that uses tileblitting (instead of the default bitblit).
> 
> I believe that there was a vgafb driver before that does exactly what you
> want.

Indeed. Early 2.1.x had a vgafb and an fbcon-vga, before vgacon existed in its
current form.

Gr{oetje,eeting}s,

						Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
							    -- Linus Torvalds
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/