[ros-diffs] [jgardou] 64955: [WIN32K] - Keep track of the PDEV which we create a compatible bitmap for. - Allow attaching a DDB to a DC if they are from the same PDEV Fixes various problems after mode switchin...

Author: jgardou
Date: Fri Oct 24 11:35:07 2014
New Revision: 64955

URL: http://svn.reactos.org/svn/reactos?rev=64955&view=rev
Log:
[WIN32K]
 - Keep track of the PDEV which we create a compatible bitmap for.
 - Allow attaching a DDB to a DC if they are from the same PDEV
Fixes various problems after mode switching, including the infamous "Where is
desk.cpl palette bitmap"

Modified:
    trunk/reactos/win32ss/gdi/ntgdi/bitmaps.c
    trunk/reactos/win32ss/gdi/ntgdi/dcobjs.c

Modified: trunk/reactos/win32ss/gdi/ntgdi/bitmaps.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/win32ss/gdi/ntgdi/bitmaps.…
==============================================================================
--- trunk/reactos/win32ss/gdi/ntgdi/bitmaps.c	[iso-8859-1] (original)
+++ trunk/reactos/win32ss/gdi/ntgdi/bitmaps.c	[iso-8859-1] Fri Oct 24 11:35:07 2014
@@ -249,6 +249,7 @@
         /* Set flags */
         psurf->flags = API_BITMAP;
         psurf->hdc = NULL; // FIXME:
+        psurf->SurfObj.hdev = (HDEV)Dc->ppdev;
         SURFACE_ShareUnlockSurface(psurf);
     }
     else
@@ -277,6 +278,7 @@
             /* Set flags */
             psurfBmp->flags = API_BITMAP;
             psurfBmp->hdc = NULL; // FIXME:
+            psurf->SurfObj.hdev = (HDEV)Dc->ppdev;
             SURFACE_ShareUnlockSurface(psurfBmp);
         }
         else if (Count == sizeof(DIBSECTION))

Modified: trunk/reactos/win32ss/gdi/ntgdi/dcobjs.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/win32ss/gdi/ntgdi/dcobjs.c…
==============================================================================
--- trunk/reactos/win32ss/gdi/ntgdi/dcobjs.c	[iso-8859-1] (original)
+++ trunk/reactos/win32ss/gdi/ntgdi/dcobjs.c	[iso-8859-1] Fri Oct 24 11:35:07 2014
@@ -329,6 +329,10 @@
 
     /* DIB sections are always compatible */
     if (psurf->hSecure != NULL) return TRUE;
+
+    /* See if this is the same PDEV */
+    if (psurf->SurfObj.hdev == (HDEV)pdc->ppdev)
+        return TRUE;
 
     /* Get the bit depth of the bitmap */
     cBitsPixel = gajBitsPerFormat[psurf->SurfObj.iBitmapFormat];