- Lock the surface even for GDI blits in IntEngBitBlt, because it mustn't be simulantously accessed.

reactos/subsys/win32k/eng

diff -u -r1.46 -r1.47
--- bitblt.c	7 Apr 2004 16:38:27 -0000	1.46
+++ bitblt.c	7 Apr 2004 19:57:43 -0000	1.47
@@ -16,7 +16,7 @@

  *  along with this program; if not, write to the Free Software
  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  */

-/* $Id: bitblt.c,v 1.46 2004/04/07 16:38:27 weiden Exp $

+/* $Id: bitblt.c,v 1.47 2004/04/07 19:57:43 navaraf Exp $

  *
  * COPYRIGHT:        See COPYING in the top level directory
  * PROJECT:          ReactOS kernel

@@ -571,9 +571,11 @@

 
   if (! ret)
     {

+      IntLockGDIDriver(DestGDI);

       ret = EngBitBlt(DestObj, SourceObj, Mask, ClipRegion, ColorTranslation,
                       &OutputRect, &InputPoint, MaskOrigin, Brush, BrushOrigin,
                       Rop4);

+      IntUnLockGDIDriver(DestGDI);

     }
 
   MouseSafetyOnDrawEnd(DestObj, DestGDI);