From 85f8a533604f9f8d8d61aea8987a82a211ea10a0 Mon Sep 17 00:00:00 2001
From: Vlad Zahorodnii <vlad.zahorodnii@kde.org>
Date: Mon, 18 Oct 2021 13:00:32 +0300
Subject: [PATCH] x11: Properly unredirect windows if compositing is not
 possible

Before attempting to create scenes, kwin will redirect windows but if
the opengl scene can't be created, it won't unredirect windows, which
seems to cause issues on aarch64.

BUG: 443953
---
 src/composite.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/composite.cpp b/src/composite.cpp
index 8d8edb323b..2317ad9ff7 100644
--- a/src/composite.cpp
+++ b/src/composite.cpp
@@ -251,6 +251,10 @@ bool Compositor::setupStart()
         delete m_scene;
         m_scene = nullptr;
 
+        if (auto *con = kwinApp()->x11Connection()) {
+            xcb_composite_unredirect_subwindows(con, kwinApp()->x11RootWindow(),
+                                                XCB_COMPOSITE_REDIRECT_MANUAL);
+        }
         if (m_selectionOwner) {
             m_selectionOwner->setOwning(false);
             m_selectionOwner->release();