Re: [Linux-fbdev-devel] clipping

[Geert U. <ge...@li...>]

On 3 Jan 2003, Antonino Daplas wrote:
> On Mon, 2002-12-30 at 05:21, Geert Uytterhoeven wrote:
> > cfb_imageblit() takes care of clipping, but forgets to update fb_image.data if
> > fb_image.d[xy] was changed.
> > 
> > BTW, do we really need clipping in fb_ops.fb_{fillrect,copyarea,imageblit}()?
> Personally, I don't think we need clipping.  I tried removing it before
> (circa linux-2.5.30+), but the console segfaults whenever I decrease
> var->yres_virtual.  I haven't tried this again with the newest
> framebuffer framework though.

Any definitive answer on this?

What happens if you resize the VT to such a large size that columns*fontwidth >
xres_virtual or rows*fontheight > yres_virtual? I guess clipping prevents a
crash there?

Gr{oetje,eeting}s,

						Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- ge...@li...

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