From 6f3486c4866a0a0e0408c2e0dbd65f128995abf4 Mon Sep 17 00:00:00 2001
From: Enzo Nocera <32960642+AlmightyScientist@users.noreply.github.com>
Date: Sun, 24 Dec 2017 00:59:51 +0100
Subject: x11: Fix maximized splash-boot screen bug.

Fixes #14336
---
 platform/x11/os_x11.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/platform/x11/os_x11.cpp b/platform/x11/os_x11.cpp
index 6616e47317..f3f4b1f217 100644
--- a/platform/x11/os_x11.cpp
+++ b/platform/x11/os_x11.cpp
@@ -1050,6 +1050,10 @@ void OS_X11::set_window_maximized(bool p_enabled) {
 
 	XSendEvent(x11_display, DefaultRootWindow(x11_display), False, SubstructureRedirectMask | SubstructureNotifyMask, &xev);
 
+	while (p_enabled && !is_window_maximized()) {
+		// Wait for effective resizing (so the GLX context is too).
+	}
+
 	maximized = p_enabled;
 }
 
-- 
cgit v1.2.3