From d8dc46856e5528701e6e56e6d9d6e5700ce024fd Mon Sep 17 00:00:00 2001
From: Xaver Hugl <xaver.hugl@gmail.com>
Date: Sat, 10 Dec 2022 16:24:32 +0100
Subject: [PATCH] effects/blendchanges: ignore fullscreen windows

Fullscreen windows are most likely games or videos, where the blend effect is an
annoyance that freezes the screen for a moment when a accent color change is triggered
in the background.
---
 src/effects/blendchanges/blendchanges.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/effects/blendchanges/blendchanges.cpp b/src/effects/blendchanges/blendchanges.cpp
index 7179a311d2..2d21c5dd7b 100644
--- a/src/effects/blendchanges/blendchanges.cpp
+++ b/src/effects/blendchanges/blendchanges.cpp
@@ -46,7 +46,9 @@ void KWin::BlendChanges::start(int delay)
 
     const EffectWindowList allWindows = effects->stackingOrder();
     for (auto window : allWindows) {
-        redirect(window);
+        if (!window->isFullScreen()) {
+            redirect(window);
+        }
     }
 
     QTimer::singleShot(delay, this, [this, animationDuration]() {