[PATCH 5/7] winemac: Rely on win32u previous surface reuse.

[Rémi Bernon]

From: Rémi Bernon

---
 dlls/winemac.drv/surface.c | 22 ++++++----------------
 1 file changed, 6 insertions(+), 16 deletions(-)

diff --git a/dlls/winemac.drv/surface.c b/dlls/winemac.drv/surface.c
index b6f0ea2d812..7a7233e98c3 100644
--- a/dlls/winemac.drv/surface.c
+++ b/dlls/winemac.drv/surface.c
@@ -193,30 +193,20 @@ failed:
  */
 BOOL macdrv_CreateWindowSurface(HWND hwnd, const RECT *surface_rect, struct window_surface **surface)
 {
+    struct window_surface *previous;
     struct macdrv_win_data *data;

TRACE("hwnd %p, surface_rect %s, surface %p\n", hwnd, wine_dbgstr_rect(surface_rect), surface);

-    if (!(data = get_win_data(hwnd))) return TRUE; /* use default surface */
+    if ((previous = *surface) && previous->funcs == &macdrv_surface_funcs) return TRUE;

-    if (*surface) window_surface_release(*surface);
-    *surface = NULL;
-
-    if (data->surface)
+    if ((data = get_win_data(hwnd)))
     {
-        if (EqualRect(&data->surface->rect, surface_rect))
-        {
-            /* existing surface is good enough */
-            window_surface_add_ref(data->surface);
-            *surface = data->surface;
-            goto done;
-        }
+        *surface = create_surface(hwnd, data->cocoa_window, surface_rect, previous);
+        release_win_data(data);
     }

-    *surface = create_surface(data->hwnd, data->cocoa_window, surface_rect, data->surface);
-
-done:
-    release_win_data(data);
+    if (previous) window_surface_release(previous);
     return TRUE;
 }