From 9738e52511ce0ca87570f53bad29cbc4ed9ce657 Mon Sep 17 00:00:00 2001
From: ManoloFLTK <41016272+ManoloFLTK@users.noreply.github.com>
Date: Wed, 13 Dec 2023 10:41:15 +0100
Subject: macOS platform + GLUT: fix crash with glut_test - cont'd

---
 src/drivers/Cocoa/Fl_Cocoa_Gl_Window_Driver.mm | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/drivers/Cocoa/Fl_Cocoa_Gl_Window_Driver.mm b/src/drivers/Cocoa/Fl_Cocoa_Gl_Window_Driver.mm
index 0b30df1df..808a6e03a 100644
--- a/src/drivers/Cocoa/Fl_Cocoa_Gl_Window_Driver.mm
+++ b/src/drivers/Cocoa/Fl_Cocoa_Gl_Window_Driver.mm
@@ -242,7 +242,7 @@ void Fl_Cocoa_Gl_Window_Driver::delete_gl_context(GLContext context) {
 void Fl_Cocoa_Gl_Window_Driver::make_overlay_current() {
   // this is not very useful, but unfortunately, Apple decided
   // that front buffer drawing can no longer (OS X 10.4) be supported on their platforms.
-  pWindow->make_current();
+  if (pWindow->shown()) pWindow->make_current();
 }
 
 void Fl_Cocoa_Gl_Window_Driver::redraw_overlay() {
-- 
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