Index: /trunk/src/VBox/Additions/WINNT/Graphics/Video/common/wddm/VBoxMPIf.h
===================================================================
--- /trunk/src/VBox/Additions/WINNT/Graphics/Video/common/wddm/VBoxMPIf.h	(revision 57874)
+++ /trunk/src/VBox/Additions/WINNT/Graphics/Video/common/wddm/VBoxMPIf.h	(revision 57875)
@@ -501,4 +501,8 @@
     VBOXVHWA_INFO aInfos[VBOX_VIDEO_MAX_SCREENS];
 } VBOXWDDM_QI;
+
+/** Convert a given FourCC code to a D3DDDIFORMAT enum. */
+#define VBOXWDDM_D3DDDIFORMAT_FROM_FOURCC(_a, _b, _c, _d) \
+    ((D3DDDIFORMAT)MAKEFOURCC(_a, _b, _c, _d))
 
 /* submit cmd func */
@@ -601,4 +605,5 @@
             return 16;
         case D3DDDIFMT_YUY2: /* 4 bytes per 2 pixels. */
+        case VBOXWDDM_D3DDDIFORMAT_FROM_FOURCC('Y', 'V', '1', '2'):
             return 16;
         default:
Index: /trunk/src/VBox/Additions/WINNT/Graphics/Video/disp/wddm/VBoxDispD3DIf.cpp
===================================================================
--- /trunk/src/VBox/Additions/WINNT/Graphics/Video/disp/wddm/VBoxDispD3DIf.cpp	(revision 57874)
+++ /trunk/src/VBox/Additions/WINNT/Graphics/Video/disp/wddm/VBoxDispD3DIf.cpp	(revision 57875)
@@ -22,4 +22,8 @@
 #include <iprt/assert.h>
 
+/** Convert a given FourCC code to a D3DDDIFORMAT enum. */
+#define VBOXWDDM_D3DDDIFORMAT_FROM_FOURCC(_a, _b, _c, _d) \
+    ((D3DDDIFORMAT)MAKEFOURCC(_a, _b, _c, _d))
+
 void VBoxDispD3DClose(VBOXDISPD3D *pD3D)
 {
@@ -437,4 +441,13 @@
 
     {D3DDDIFMT_YUY2,
+        0|
+        0|
+        0|
+        FORMATOP_CONVERT_TO_ARGB|FORMATOP_OFFSCREENPLAIN|
+        FORMATOP_NOFILTER|
+        FORMATOP_NOALPHABLEND|
+        FORMATOP_NOTEXCOORDWRAPNORMIP, 0, 0, 0},
+
+    {VBOXWDDM_D3DDDIFORMAT_FROM_FOURCC('Y', 'V', '1', '2'),
         0|
         0|