[PATCH] dix: fix zaphod screen scrossing (#54654)

[Peter Hutterer]

POINTER_SCREEN coordinates are screen-relative. For a Zaphod setup, the
coordinates after a screen crossing are already relative to the new screen's
origin. Add that offset to the coordinates before re-setting.

regression introduced by
commit bafbd99080be49a17be97d2cc758fbe623369945
Author: Peter Hutterer <peter.hutterer at who-t.net>
Date:   Wed Aug 8 11:34:32 2012 +1000

    dix: work around scaling issues during WarpPointer (#53037)

X.Org Bug 54654 <http://bugs.freedesktop.org/show_bug.cgi?id=54654>

Signed-off-by: Peter Hutterer <peter.hutterer at who-t.net>
---
 dix/getevents.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/dix/getevents.c b/dix/getevents.c
index 71d83c4..8b4379d 100644
--- a/dix/getevents.c
+++ b/dix/getevents.c
@@ -1400,8 +1400,9 @@ fill_pointer_events(InternalEvent *events, DeviceIntPtr pDev, int type,
        coordinates were.
      */
     if (flags & POINTER_SCREEN) {
-        screenx = sx;
-        screeny = sy;
+        scr = miPointerGetScreen(pDev);
+        screenx = sx + scr->x;
+        screeny = sy + scr->y;
     }
 
     scr = positionSprite(pDev, (flags & POINTER_ABSOLUTE) ? Absolute : Relative,
-- 
1.7.11.7