From a63dd0704f5f0fe88881543ddc7559bcf9d13f6c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Pa=CC=84vels=20Nadtoc=CC=8Cajevs?=
 <7645683+bruvzg@users.noreply.github.com>
Date: Tue, 14 Oct 2025 23:51:41 +0300
Subject: [PATCH] [macOS] Fix ~500ms hang on transparent OpenGL window creation
 on macOS 26.

---
 platform/macos/display_server_macos.mm | 16 ++++++++++------
 1 file changed, 10 insertions(+), 6 deletions(-)

diff --git a/platform/macos/display_server_macos.mm b/platform/macos/display_server_macos.mm
index f933e309e0f..db441b32cdd 100644
--- a/platform/macos/display_server_macos.mm
+++ b/platform/macos/display_server_macos.mm
@@ -2647,9 +2647,11 @@ void DisplayServerMacOS::window_set_flag(WindowFlags p_flag, bool p_enabled, Win
 					[wd.window_object setBackgroundColor:[NSColor colorWithCalibratedRed:0 green:0 blue:0 alpha:0.004f]];
 				}
 				// Force update of the window styles.
-				NSRect frameRect = [wd.window_object frame];
-				[wd.window_object setFrame:NSMakeRect(frameRect.origin.x, frameRect.origin.y, frameRect.size.width + 1, frameRect.size.height) display:NO];
-				[wd.window_object setFrame:frameRect display:NO];
+				if ([wd.window_object isVisible]) {
+					NSRect frameRect = [wd.window_object frame];
+					[wd.window_object setFrame:NSMakeRect(frameRect.origin.x, frameRect.origin.y, frameRect.size.width + 1, frameRect.size.height) display:NO];
+					[wd.window_object setFrame:frameRect display:NO];
+				}
 			}
 			_update_window_style(wd, p_window);
 			if (was_visible || [wd.window_object isVisible]) {
@@ -2683,9 +2685,11 @@ void DisplayServerMacOS::window_set_flag(WindowFlags p_flag, bool p_enabled, Win
 			wd.layered_window = p_enabled;
 			set_window_per_pixel_transparency_enabled(p_enabled, p_window);
 			// Force update of the window styles.
-			NSRect frameRect = [wd.window_object frame];
-			[wd.window_object setFrame:NSMakeRect(frameRect.origin.x, frameRect.origin.y, frameRect.size.width + 1, frameRect.size.height) display:NO];
-			[wd.window_object setFrame:frameRect display:NO];
+			if ([wd.window_object isVisible]) {
+				NSRect frameRect = [wd.window_object frame];
+				[wd.window_object setFrame:NSMakeRect(frameRect.origin.x, frameRect.origin.y, frameRect.size.width + 1, frameRect.size.height) display:NO];
+				[wd.window_object setFrame:frameRect display:NO];
+			}
 		} break;
 		case WINDOW_FLAG_NO_FOCUS: {
 			wd.no_focus = p_enabled;