wined3d: Store an IWineD3DResourceImpl pointer in struct wined3d_rendertarget_view.

dlls/wined3d/view.c

@@ -65,7 +65,7 @@ static ULONG STDMETHODCALLTYPE rendertarget_view_Release(IWineD3DRendertargetVie
 
     if (!refcount)
     {
-        IWineD3DResource_Release(This->resource);
+        IWineD3DResource_Release((IWineD3DResource *)This->resource);
         HeapFree(GetProcessHeap(), 0, This);
     }
 
@@ -88,8 +88,8 @@ static HRESULT STDMETHODCALLTYPE rendertarget_view_GetResource(IWineD3DRendertar
 {
     struct wined3d_rendertarget_view *This = (struct wined3d_rendertarget_view *)iface;
 
-    IWineD3DResource_AddRef(This->resource);
-    *resource = This->resource;
+    IWineD3DResource_AddRef((IWineD3DResource *)This->resource);
+    *resource = (IWineD3DResource *)This->resource;
 
     return WINED3D_OK;
 }
@@ -112,6 +112,6 @@ void wined3d_rendertarget_view_init(struct wined3d_rendertarget_view *view,
     view->vtbl = &wined3d_rendertarget_view_vtbl;
     view->refcount = 1;
     IWineD3DResource_AddRef((IWineD3DResource *)resource);
-    view->resource = (IWineD3DResource *)resource;
+    view->resource = resource;
     view->parent = parent;
 }

dlls/wined3d/wined3d_private.h

@@ -2569,7 +2569,7 @@ struct wined3d_rendertarget_view
     const struct IWineD3DRendertargetViewVtbl *vtbl;
     LONG refcount;
 
-    IWineD3DResource *resource;
+    struct IWineD3DResourceImpl *resource;
     void *parent;
 };