Changeset 32650 in vbox for trunk/src/VBox/Additions/WINNT/Graphics

Timestamp:

Sep 20, 2010 7:43:03 PM (14 years ago)

Author:

vboxsync

Message:

wddm: auto-resize (w/o Aero) fix

Location:

trunk/src/VBox/Additions/WINNT/Graphics/Miniport

Files:

• VBoxVideo.cpp (modified) (1 diff)
• wddm/VBoxVideoMisc.cpp (modified) (1 diff)

trunk/src/VBox/Additions/WINNT/Graphics/Miniport/VBoxVideo.cpp

@@ -2966 +2966 @@
     ULONG cbLine = VBOXWDDM_ROUNDBOUND(((width * bpp) + 7) / 8, 4);
     ULONG xOffset = offDisplay % cbLine;
+    if (bpp == 4)
+    {
+        xOffset <<= 1;
+    }
+    else
+    {
+        Assert(!(xOffset%((bpp + 7) >> 3)));
+        xOffset /= ((bpp + 7) >> 3);
+    }
     ULONG yOffset = offDisplay / cbLine;
     Assert(xOffset <= 0xffff);

trunk/src/VBox/Additions/WINNT/Graphics/Miniport/wddm/VBoxVideoMisc.cpp

@@ -69 +69 @@
             return VBOXWDDM_HANDLE_INVALID;
     }
-    for (UINT i = pTbl->iNext2Search; ++i, i %= pTbl->cSize;)
+    for (UINT i = pTbl->iNext2Search; ; ++i, i %= pTbl->cSize)
     {
         Assert(i < pTbl->cSize);