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implement vnc_dpy_setdata

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The comment is wrong, we have to do something in the setdata callback.
Changing the framebuffer backing storage (happens when the guest pans
the display) renders the whole screen content invalid.

Trigger #1: cirrus vga + 32bit linux guest + vesafb with ypan enabled.
Trigger #2: std vga + http://patchwork.ozlabs.org/patch/145479/

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Gerd Hoffmann 2012-03-08 11:19:19 +01:00 committed by Anthony Liguori
parent ecf40beae7
commit 1d3323de5f
1 changed files with 4 additions and 1 deletions
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5
ui/vnc.c
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@ -1936,7 +1936,10 @@ static void pixel_format_message (VncState *vs) {
static void vnc_dpy_setdata(DisplayState *ds)
{
/* We don't have to do anything */
VncDisplay *vd = ds->opaque;
*(vd->guest.ds) = *(ds->surface);
vnc_dpy_update(ds, 0, 0, ds_get_width(ds), ds_get_height(ds));
}
static void vnc_colordepth(VncState *vs)