d3d9: COM cleanup for the IDirect3D9Ex iface.

dlls/d3d9/d3d9_main.c

@@ -36,7 +36,7 @@ void WINAPI DebugSetMute(void) {
 IDirect3D9* WINAPI DECLSPEC_HOTPATCH Direct3DCreate9(UINT SDKVersion) {
     IDirect3D9Impl* object = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IDirect3D9Impl));
 
-    object->lpVtbl = &Direct3D9_Vtbl;
+    object->IDirect3D9Ex_iface.lpVtbl = &Direct3D9_Vtbl;
     object->ref = 1;
 
     wined3d_mutex_lock();
@@ -66,7 +66,7 @@ HRESULT WINAPI DECLSPEC_HOTPATCH Direct3DCreate9Ex(UINT SDKVersion, IDirect3D9Ex
 
     object = (IDirect3D9Impl *) ret;
     object->extended = TRUE; /* Enables QI for extended interfaces */
-    *direct3d9ex = (IDirect3D9Ex *) object;
+    *direct3d9ex = &object->IDirect3D9Ex_iface;
     return D3D_OK;
 }
 

dlls/d3d9/d3d9_private.h

@@ -146,7 +146,7 @@ extern const IDirect3D9ExVtbl Direct3D9_Vtbl DECLSPEC_HIDDEN;
 typedef struct IDirect3D9Impl
 {
     /* IUnknown fields */
-    const IDirect3D9ExVtbl   *lpVtbl;
+    IDirect3D9Ex            IDirect3D9Ex_iface;
     LONG                    ref;
 
     struct wined3d *WineD3D;