i810 patch to swap Xinerama screens using mergedfb

[Alan Hourihane]

Have you tried using LeftOf or Below, instead of what you've probably
got now is RightOf or Above ??

Alan.

On Fri, 2007-01-12 at 12:34 +0100, emisca wrote:
> nobody cares about this... I find it very useful, ati driver has a
> similar behaviour, and I like to see it or a similar thing included
> upstream. Should it be possible?
> 
> 2007/1/5, Emilio Scalise <emisca.ml at gmail.com>:
> > I've made a simple patch to swap logical screens exported by the fake
> > xinerama exposed by mergedfb. It's similar to the setting present in
> > the radeon driver "MergedXineramaCRT2IsScreen0". I've used a notation
> > similar to i810 option's names.
> > Now that I've found where to get latest agpgart modules, I will try it
> > using Ross Burton source debian packages (thanks Ross for those.. ;-)
> > ).
> >
> > This is the patch.. it works well for me........ (it's against 1.7.2
> > version, main branch, but it should apply also on newer versions).
> > Please merge it (if you like it)....
> >
> > --- i830_driver.c       2006-10-13 13:52:26.000000000 +0200
> > +++ /home/emi/i810drivnew.c     2007-01-03 13:42:23.000000000 +0100
> > @@ -268,6 +268,7 @@
> >     OPTION_SECONDHSYNC,
> >     OPTION_SECONDVREFRESH,
> >     OPTION_SECONDPOSITION,
> > +   OPTION_SECONDISSCRN0,
> >     OPTION_INTELXINERAMA
> >  } I830Opts;
> >
> > @@ -295,6 +296,7 @@
> >     {OPTION_SECONDHSYNC,        "SecondMonitorHorizSync",OPTV_STRING,
> >  {0}, FALSE },
> >     {OPTION_SECONDVREFRESH,"SecondMonitorVertRefresh",OPTV_STRING,{0}, FALSE },
> >     {OPTION_SECONDPOSITION,"SecondPosition",OPTV_STRING,        {0},    FALSE },
> > +   {OPTION_SECONDISSCRN0,"MergedXineramaSecondIsScreen0",
> > OPTV_BOOLEAN, {0}, FALSE },
> >     {OPTION_INTELXINERAMA,"MergedXinerama",OPTV_BOOLEAN,        {0},    TRUE},
> >     {-1,                        NULL,           OPTV_NONE,      {0},    FALSE}
> >  };
> > @@ -4685,6 +4687,13 @@
> >           }
> >           xfree(tempstr);
> >        }
> > +
> > +      /* If OPTION_SECONDISSCRN0 is true then swap screens */
> > +      if(xf86GetOptValBool(pI830->Options, OPTION_SECONDISSCRN0, TRUE)) {
> > +        if (pI830->SecondIsScrn0) pI830->SecondIsScrn0= FALSE;
> > +        else pI830->SecondIsScrn0= TRUE;
> > +      }
> > +
> >        if((s = (char *)xf86GetOptValString(pI830->Options, OPTION_METAMODES))) {
> >           pI830->MetaModes = xalloc(strlen(s) + 1);
> >          if(pI830->MetaModes)
> >
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