the SDL used in the Android emulator (a QEMU derivative) only uses standard
X11 to
display things, so it certainly doesn't use FBIOPAN_DISPLAY.

Meanwhile, I think that's totally unrelated to your issue.

On Wed, Nov 12, 2008 at 12:40 PM, Yasushi SHOJI <[EMAIL PROTECTED]>wrote:

>
> On Nov 4, 10:58 am, Mathias Agopian <[EMAIL PROTECTED]> wrote:
> > On Nov 1, 11:41 pm,McHargChris <[EMAIL PROTECTED]> wrote:
> [...]
> > > That reminds me... when looking at the i.MX31 fb flickering problem a
> > > while ago, I noticed that android was using FBIOPUT_VSCREENINFO (which
> > > calls fb_set_par etc along with fb_pan_display) instead of
> > > FBIOPAN_DISPLAY to flip the display. Any ideas on the reason for doing
> > > it that way?
> >
> > I did it this way because some of the drivers on some hardware we used
> > didn't support FBIOPAN_DISPLAY (and still don't). It looks like
> > FBIOPAN_DISPLAY is often not implemented in comparison to
> > FBIOPUT_VSCREENINFO.
> >
> > Ideally the code there should try FBIOPAN_DISPLAY and if that doesn't
> > work, revert to  FBIOPUT_VSCREENINFO.
>
> I noticed that QEMU uses SDL and SDL use only FBIOPAN_DISPLAY for
> flipping.
>
> Does it means that pre-built SDL lib for Android emulator is modifiled
> to match
> this broken behavior?
> --
>            yashi
>
> >
>

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