Index: /trunk/src/VBox/Additions/WINNT/Graphics/Video/common/wddm/VBoxMPIf.h
===================================================================
--- /trunk/src/VBox/Additions/WINNT/Graphics/Video/common/wddm/VBoxMPIf.h	(revision 82413)
+++ /trunk/src/VBox/Additions/WINNT/Graphics/Video/common/wddm/VBoxMPIf.h	(revision 82414)
@@ -569,5 +569,6 @@
 #endif /* VBOX_WITH_MESA3D */
 
-#define VBOXWDDM_QAI_CAP_3D 0x00000001 /* 3D is enabled in the VM settings. */
+#define VBOXWDDM_QAI_CAP_3D   0x00000001 /* 3D is enabled in the VM settings. */
+#define VBOXWDDM_QAI_CAP_DXVA 0x00000002 /* DXVA is not disabled in the guest registry. */
 
 /* D3DDDICB_QUERYADAPTERINFO::pPrivateDriverData */
Index: /trunk/src/VBox/Additions/WINNT/Graphics/Video/mp/wddm/VBoxMPWddm.cpp
===================================================================
--- /trunk/src/VBox/Additions/WINNT/Graphics/Video/mp/wddm/VBoxMPWddm.cpp	(revision 82413)
+++ /trunk/src/VBox/Additions/WINNT/Graphics/Video/mp/wddm/VBoxMPWddm.cpp	(revision 82414)
@@ -1754,4 +1754,11 @@
                     pQAI->enmHwType = pDevExt->enmHwType;
                     pQAI->u32AdapterCaps = pDevExt->f3DEnabled ? VBOXWDDM_QAI_CAP_3D : 0;
+                    pQAI->u32AdapterCaps |= VBOXWDDM_QAI_CAP_DXVA; /** @todo Fetch from registry. */
+                    static int cLoggedCaps = 0;
+                    if (cLoggedCaps < 1)
+                    {
+                        ++cLoggedCaps;
+                        LOGREL_EXACT(("WDDM: addapter capabilities 0x%08X\n", pQAI->u32AdapterCaps));
+                    }
                     if (pDevExt->enmHwType == VBOXVIDEO_HWTYPE_VBOX)
                     {
@@ -4996,7 +5003,14 @@
 #endif
 
-    LOGREL(("VBox WDDM Driver for Windows %s version %d.%d.%dr%d, %d bit; Built %s %s",
+#ifdef DEBUG
+#define VBOXWDDM_BUILD_TYPE "dbg"
+#else
+#define VBOXWDDM_BUILD_TYPE "rel"
+#endif
+
+    LOGREL(("VBox WDDM Driver for Windows %s version %d.%d.%dr%d %s, %d bit; Built %s %s",
             VBoxQueryWinVersion(NULL) >= WINVERSION_8 ? "8+" : "Vista and 7",
             VBOX_VERSION_MAJOR, VBOX_VERSION_MINOR, VBOX_VERSION_BUILD, VBOX_SVN_REV,
+            VBOXWDDM_BUILD_TYPE,
             (sizeof (void*) << 3), __DATE__, __TIME__));