[PATCH v2 4/4] win32u: Remove now unnecessary window surfaces list.

[Rémi Bernon]

From: Rémi Bernon

---
 dlls/win32u/dce.c            | 19 -------------------
 dlls/win32u/win32u_private.h |  2 --
 dlls/win32u/window.c         | 13 ++-----------
 3 files changed, 2 insertions(+), 32 deletions(-)

diff --git a/dlls/win32u/dce.c b/dlls/win32u/dce.c
index 79561b109af..72e48c76e55 100644
--- a/dlls/win32u/dce.c
+++ b/dlls/win32u/dce.c
@@ -50,9 +50,6 @@ static struct list dce_list = LIST_INIT(dce_list);

#define DCE_CACHE_SIZE 64

-static struct list window_surfaces = LIST_INIT( window_surfaces );
-static pthread_mutex_t surfaces_lock = PTHREAD_MUTEX_INITIALIZER;
-
 static void window_surface_flush( struct window_surface *surface );

/*******************************************************************
@@ -748,22 +745,6 @@ void process_wine_present( HWND hwnd )
     window_surface_release( surface );
 }

-/*******************************************************************
- *           register_window_surface
- *
- * Register a window surface in the global list, possibly replacing another one.
- */
-void register_window_surface( struct window_surface *old, struct window_surface *new )
-{
-    if (old == &dummy_surface) old = NULL;
-    if (new == &dummy_surface) new = NULL;
-    if (old == new) return;
-    pthread_mutex_lock( &surfaces_lock );
-    if (old) list_remove( &old->entry );
-    if (new) list_add_tail( &window_surfaces, &new->entry );
-    pthread_mutex_unlock( &surfaces_lock );
-}
-
 /***********************************************************************
  *           dump_rdw_flags
  */
diff --git a/dlls/win32u/win32u_private.h b/dlls/win32u/win32u_private.h
index 29a3782ed76..77699b003c4 100644
--- a/dlls/win32u/win32u_private.h
+++ b/dlls/win32u/win32u_private.h
@@ -51,8 +51,6 @@ extern void erase_now( HWND hwnd, UINT rdw_flags );
 extern void move_window_bits( HWND hwnd, const struct window_rects *rects, const RECT *valid_rects );
 extern void move_window_bits_surface( HWND hwnd, const RECT *window_rect, struct window_surface *old_surface,
                                       const RECT *old_visible_rect, const RECT *valid_rects );
-extern void register_window_surface( struct window_surface *old,
-                                     struct window_surface *new );

extern void process_wine_present( HWND hwnd );
 extern void window_surface_lock( struct window_surface *surface );
diff --git a/dlls/win32u/window.c b/dlls/win32u/window.c
index ccb561e9b77..c4a1ceb1d37 100644
--- a/dlls/win32u/window.c
+++ b/dlls/win32u/window.c
@@ -2198,7 +2198,6 @@ static BOOL apply_window_pos( HWND hwnd, HWND insert_after, UINT swp_flags, stru
     if (ret)
     {
         TRACE( "win %p surface %p -> %p\n", hwnd, old_surface, new_surface );
-        register_window_surface( old_surface, new_surface );
         if (old_surface)
         {
             if (valid_rects)
@@ -5178,11 +5177,7 @@ LRESULT destroy_window( HWND hwnd )

NtUserDestroyMenu( menu );
     NtUserDestroyMenu( sys_menu );
-    if (surface)
-    {
-        register_window_surface( surface, NULL );
-        window_surface_release( surface );
-    }
+    if (surface) window_surface_release( surface );

detach_client_surfaces( hwnd );
     if (win->opengl_drawable) opengl_drawable_release( win->opengl_drawable );
@@ -5345,11 +5340,7 @@ void destroy_thread_windows(void)

NtUserDestroyMenu( entry->menu );
         NtUserDestroyMenu( entry->sys_menu );
-        if (entry->surface)
-        {
-            register_window_surface( entry->surface, NULL );
-            window_surface_release( entry->surface );
-        }
+        if (entry->surface) window_surface_release( entry->surface );
         free( entry );
     }
 }