[PATCH 1/2] win32u: Copy the shape from the old surface when surface is recreated.

[Rémi Bernon]

From: Rémi Bernon

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=57285
---
 dlls/win32u/window.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/dlls/win32u/window.c b/dlls/win32u/window.c
index 272d8926be2..4855555d926 100644
--- a/dlls/win32u/window.c
+++ b/dlls/win32u/window.c
@@ -2064,7 +2064,12 @@ static BOOL apply_window_pos( HWND hwnd, HWND insert_after, UINT swp_flags, stru

if (!(win = get_win_ptr( hwnd )) || win == WND_DESKTOP || win == WND_OTHER_PROCESS) return FALSE;
     old_surface = win->surface;
-    if (old_surface != new_surface) swp_flags |= SWP_FRAMECHANGED;  /* force refreshing non-client area */
+    if (old_surface != new_surface)
+    {
+        if (old_surface && new_surface) window_surface_set_shape( new_surface, old_surface->shape_region );
+        swp_flags |= SWP_FRAMECHANGED;  /* force refreshing non-client area */
+    }
+
     if (new_surface == &dummy_surface) swp_flags |= SWP_NOREDRAW;
     else if (old_surface == &dummy_surface)
     {