Don't lock the primary surface just to get info we already have.

Modified: trunk/reactos/subsys/win32k/objects/dc.c

--- trunk/reactos/subsys/win32k/objects/dc.c	2005-05-30 12:52:38 UTC (rev 15680)
+++ trunk/reactos/subsys/win32k/objects/dc.c	2005-05-30 13:00:50 UTC (rev 15681)
@@ -729,7 +729,6 @@

   HDC      hNewDC;
   PDC      NewDC;
   HDC      hDC = NULL;

-  SURFOBJ *SurfObj;

   HRGN     hVisRgn;
   UNICODE_STRING StdDriver;
 
@@ -793,24 +792,13 @@

 
   if (! CreateAsIC)
   {

-    SurfObj = EngLockSurface((HSURF)PrimarySurface.Handle);
-    if ( !SurfObj )
-    {
-      DC_UnlockDc ( hNewDC );
-      DC_FreeDC ( hNewDC) ;
-      return NULL;
-    }
-    ASSERT(NewDC->GDIInfo->cBitsPixel * NewDC->GDIInfo->cPlanes == BitsPerFormat(SurfObj->iBitmapFormat));
-    ASSERT(NewDC->GDIInfo->ulHorzRes == SurfObj->sizlBitmap.cx);
-    ASSERT(NewDC->GDIInfo->ulVertRes == SurfObj->sizlBitmap.cy);
-

     NewDC->w.hPalette = NewDC->DevInfo->hpalDefault;
     NewDC->w.ROPmode = R2_COPYPEN;
 
     DC_UnlockDc( hNewDC );
 

-    hVisRgn = NtGdiCreateRectRgn(0, 0, SurfObj->sizlBitmap.cx,
-                                 SurfObj->sizlBitmap.cy);

+    hVisRgn = NtGdiCreateRectRgn(0, 0, NewDC->GDIInfo->ulHorzRes,
+                                 NewDC->GDIInfo->ulVertRes);

     NtGdiSelectVisRgn(hNewDC, hVisRgn);
     NtGdiDeleteObject(hVisRgn);
 
@@ -820,8 +808,6 @@

     NtGdiSetTextAlign(hNewDC, TA_TOP);
     NtGdiSetBkColor(hNewDC, RGB(255, 255, 255));
     NtGdiSetBkMode(hNewDC, OPAQUE);

-
-    EngUnlockSurface(SurfObj);

   }
   else
   {