Re: [Qemu-devel] Re: qemu-system-sparc video problem on 16 bitdisplays

[Blue Swirl]

Digging old bugs, I found this problem.

Maybe this patch helps? I can't test it here (can't get display to 16 bit 
somehow).

> On 8/9/06, Anthony Liguori <address@hidden> wrote:
> > On Thu, 10 Aug 2006 00:32:20 +0200, Juergen Lock wrote:
> >
> > > Hi!
> > >
> > >  I was made aware of this by a FreeBSD user, but i suspect the
> > > problem is not specific to FreeBSD hosts:  If run on a 16 bit display,
> > > qemu-system-sparc' video is messed up like shown here:
> > >       http://img320.imageshack.us/img320/3807/qemusparckd1.png
> > > (pink, and uses only half of the window's width...)  It looks okay on 
> > 24
> > > bit displays.
> >
> > Looks you're telling QEMU that you've got a 16 bit buffer when it's really
> > a 32 bit buffer.
> >
> > Perhaps we're mixing up bits-per-pixel with depth?
> >
> > Regards,
> >
> > Anthony Liguori
> >
> > >  Thanx,
> > >       Juergen
>
> Perhaps this in tcx.c?
>
>    switch (ts->ds->depth) {
>    case 32:
>    f = tcx_draw_line32;
>    break;
>    case 24:
>    f = tcx_draw_line24;
>    break;
>    default:
>    case 8:
>    f = tcx_draw_line8;
>    break;
>    case 0:
>    return;
>    }

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