Graphics

Timestamp:

Feb 12, 2009 3:39:53 PM (16 years ago)

Author:

vboxsync

svn:sync-xref-src-repo-rev:

42736

Message:

Windows guest display driver: clear VRAM when setting a new video mode (xTracker #3356).

File:

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

-              r16615
+              r16710
+        }
+        /* Clear VRAM to avoid distortions during the video mode change. */
+        RtlZeroMemory(ppdev->pjScreen,
+                      ppdev->cyScreen * (ppdev->lDeltaScreen > 0? ppdev->lDeltaScreen: -ppdev->lDeltaScreen));
         //
         // Initialize the head of the offscreen list to NULL.

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