ddraw: Add a separate function for parent initialization.

dlls/ddraw/ddraw.c

@@ -4701,8 +4701,8 @@ static HRESULT WINAPI d3d7_CreateDevice(IDirect3D7 *iface, REFCLSID riid,
         LeaveCriticalSection(&ddraw_cs);
         return DDERR_OUTOFMEMORY;
     }
-    index_buffer_parent->lpVtbl = &IParent_Vtbl;
-    index_buffer_parent->ref = 1;
+
+    ddraw_parent_init(index_buffer_parent);
 
     /* Create an Index Buffer. WineD3D needs one for Drawing indexed primitives
      * Create a (hopefully) long enough buffer, and copy the indices into it
@@ -5928,8 +5928,7 @@ static HRESULT STDMETHODCALLTYPE device_parent_CreateSwapChain(IWineD3DDevicePar
         return DDERR_OUTOFVIDEOMEMORY;
     }
 
-    object->lpVtbl = &IParent_Vtbl;
-    object->ref = 1;
+    ddraw_parent_init(object);
 
     hr = IWineD3DDevice_CreateSwapChain(This->wineD3DDevice, present_parameters,
             swapchain, (IUnknown *)object, This->ImplType);

dlls/ddraw/ddraw_private.h

@@ -315,7 +315,7 @@ struct IParentImpl
 
 };
 
-extern const IParentVtbl IParent_Vtbl DECLSPEC_HIDDEN;
+void ddraw_parent_init(IParentImpl *parent) DECLSPEC_HIDDEN;
 
 /*****************************************************************************
  * IDirect3DDevice implementation

dlls/ddraw/parent.c

@@ -121,9 +121,15 @@ static ULONG WINAPI IParentImpl_Release(IParent *iface)
 /*****************************************************************************
  * The VTable
  *****************************************************************************/
-const IParentVtbl IParent_Vtbl =
+static const struct IParentVtbl ddraw_parent_vtbl =
 {
      IParentImpl_QueryInterface,
      IParentImpl_AddRef,
      IParentImpl_Release,
 };
+
+void ddraw_parent_init(IParentImpl *parent)
+{
+    parent->lpVtbl = &ddraw_parent_vtbl;
+    parent->ref = 1;
+}