Re: backingstore in 4.4.0

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Thu, 10 Jun 2004 davidek@xxxxxxxxxxxxxxxxxxxxxx wrote:

> On Wed, 9 Jun 2004, Mark Vojkovich wrote:
>
> >    This isn't surprising.  Backingstore doesn't guarantee that
> > you won't get expose events.  It merely attempts to reduce them
> > by saving occluded bits.  When the server switches away to another
> > VT everything in the framebuffer is lost.  Backing store allowed
> > it to recover the occluded bits that it saved earlier.  I believe
> > this is the expected behavior.  People didn't have VT switches back
> > when backing store was designed.
>
> Ok, thanks, but on other systems it works, i.e. even with backingstore
> enabled one does not loose the graphical window content when switching VT
> there and back. So my question is: how can I recover the "usual"
> behaviour?
>
> Regards
>            Tomas


   Which "other systems" are you refering to?   To my knowledge there
is no official X-Window behavior with regards to VT switches.

			Mark.

>
>  E-mail : davidek@xxxxxxxxxxxxxxxxxxxxxx,
> 	  Tomas.Davidek@xxxxxxx
>
> >
> > On Wed, 9 Jun 2004 davidek@xxxxxxxxxxxxxxxxxxxxxx wrote:
> >
> > > Hello,
> > >   I noticed a problem maybe related to backingstore option with the
> > > release 4.4.0. My XF86Config-4 looks like:
> > > Section "Device"
> > >         Identifier      "Generic Video Card"
> > >         Driver          "i810"
> > > #       BusID           "PCI:0:2:0"
> > >         VideoRam        65536
> > >         Option          "BackingStore"   "true"
> > >         Option          "DisplayInfo"    "FALSE"
> > > EndSection
> > >
> > > I have the "famous" i855GM chip, so I had to introduce the displayinfo
> > > option as already mentioned in several posts in this list.
> > >
> > > The backingstore itself works well, i.e. if a graphical window hides below
> > > some other one it still keeps its content, but when switching back to
> > > the text console (Ctrl-Alt-F1) and back, the content is lost. What's funny
> > > is that the content is actually preserved in the part of the window which
> > > was overlapped, the rest (that was on the top when switching there and
> > > back) gets empty.
>
> _______________________________________________
> XFree86 mailing list
> XFree86@xxxxxxxxxxx
> http://XFree86.Org/mailman/listinfo/xfree86
>
_______________________________________________
XFree86 mailing list
XFree86@xxxxxxxxxxx
http://XFree86.Org/mailman/listinfo/xfree86

[Index of Archives]     [X Forum]     [Xorg]     [XFree86 Newbie]     [IETF Announce]     [Security]     [Font Config]     [Bugtraq]     [Yosemite]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Linux Kernel]

  Powered by Linux