From 7a50c8234a37985854b908630616a774f726d4c0 Mon Sep 17 00:00:00 2001
From: ManoloFLTK <41016272+ManoloFLTK@users.noreply.github.com>
Date: Fri, 12 May 2023 08:47:56 +0200
Subject: Wayland: slightly simpler surface_enter() for toplevel GL windows

---
 src/drivers/Wayland/Fl_Wayland_Window_Driver.cxx | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'src')

diff --git a/src/drivers/Wayland/Fl_Wayland_Window_Driver.cxx b/src/drivers/Wayland/Fl_Wayland_Window_Driver.cxx
index d80aa66f0..ad34c577c 100644
--- a/src/drivers/Wayland/Fl_Wayland_Window_Driver.cxx
+++ b/src/drivers/Wayland/Fl_Wayland_Window_Driver.cxx
@@ -668,8 +668,8 @@ static void surface_enter(void *data, struct wl_surface *wl_surface, struct wl_o
       window->fl_win->size(window->fl_win->w(), window->fl_win->h());
       win_driver->is_a_rescale(false);
       if (window->fl_win->as_gl_window() && !window->fl_win->parent() &&
-          post_scale != pre_scale) { // necessary for glpuzzle on 2-screen system
-        Fl::wait(0);
+          post_scale != pre_scale) { // for opening toplevel GL window on 2-screen system
+        win_driver->Fl_Window_Driver::flush();
         Fl::add_timeout(0.01, (Fl_Timeout_Handler)delayed_redraw, window->fl_win);
       }
     } else if (window->buffer) {
-- 
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