Changeset 25071 in vbox for trunk/src/VBox/Additions/WINNT/Graphics

Timestamp:

Nov 28, 2009 2:39:15 PM (15 years ago)

Author:

vboxsync

Message:

Windows guest graphics driver/HGSMI: check that the screen origin has changed before initiating a resize.

File:

• trunk/src/VBox/Additions/WINNT/Graphics/Display/enable.c (modified) (2 diffs)

trunk/src/VBox/Additions/WINNT/Graphics/Display/enable.c

@@ -1145 +1145 @@
     {
         case DN_DEVICE_ORIGIN:
+#ifndef VBOX_WITH_HGSMI
             ppdev->ptlDevOrg = *(PPOINTL)pvData;
-#ifndef VBOX_WITH_HGSMI
             DISPDBG((3, "DN_DEVICE_ORIGIN: %d, %d (PSO = %p, pInfo = %p)\n", ppdev->ptlDevOrg.x,
                      ppdev->ptlDevOrg.y, pso, ppdev->pInfo));
@@ -1155 +1155 @@
                 VBoxProcessDisplayInfo(ppdev);
             }
+            break;
 #else
-            DISPDBG((3, "DN_DEVICE_ORIGIN: %d, %d (PSO = %p)\n", ppdev->ptlDevOrg.x,
-                     ppdev->ptlDevOrg.y, pso));
-            VBoxProcessDisplayInfo(ppdev);
+        {
+            POINTL ptlDevOrg = *(PPOINTL)pvData;
+            DISPDBG((3, "DN_DEVICE_ORIGIN: current @%d,%d, new @%d,%d, (PSO = %p)\n", ppdev->ptlDevOrg.x,
+                     ppdev->ptlDevOrg.y, ptlDevOrg.x, ptlDevOrg.y, pso));
+            if (ppdev->ptlDevOrg.x != ptlDevOrg.x || ppdev->ptlDevOrg.y != ptlDevOrg.y)
+            {
+                ppdev->ptlDevOrg = ptlDevOrg;
+                VBoxProcessDisplayInfo(ppdev);
+            }
+         } break;
 #endif /* VBOX_WITH_HGSMI */
-            break;
         case DN_DRAWING_BEGIN:
             DISPDBG((3, "DN_DRAWING_BEGIN (PSO = %p)\n", pso));