Index: /trunk/src/VBox/Additions/WINNT/Graphics/Miniport/wddm/VBoxVideoCm.cpp
===================================================================
--- /trunk/src/VBox/Additions/WINNT/Graphics/Miniport/wddm/VBoxVideoCm.cpp	(revision 30924)
+++ /trunk/src/VBox/Additions/WINNT/Graphics/Miniport/wddm/VBoxVideoCm.cpp	(revision 30925)
@@ -59,4 +59,5 @@
     PVBOXVIDEOCM_CMD_DR pHdr = VBOXVIDEOCM_HEAD(pvCmd);
     pHdr->pContext = pContext;
+    pHdr->CmdHdr.u64UmData = pContext->u64UmData;
     return pvCmd;
 }
Index: /trunk/src/VBox/Additions/WINNT/Graphics/Wine/d3d9/device.c
===================================================================
--- /trunk/src/VBox/Additions/WINNT/Graphics/Wine/d3d9/device.c	(revision 30924)
+++ /trunk/src/VBox/Additions/WINNT/Graphics/Wine/d3d9/device.c	(revision 30925)
@@ -714,4 +714,6 @@
 
 #ifdef VBOXWDDM
+#pragma comment(linker, "/export:VBoxWineExD3DDev9CreateTexture=_VBoxWineExD3DDev9CreateTexture@40")
+
 VBOXWINEEX_DECL(HRESULT) VBoxWineExD3DDev9CreateTexture(IDirect3DDevice9Ex *iface,
         UINT width, UINT height, UINT levels, DWORD usage, D3DFORMAT format,