From 4d4d9990ddc2b8a82c40fe151cc689269e3b8389 Mon Sep 17 00:00:00 2001
From: Vlad Zagorodniy <vladzzag@gmail.com>
Date: Sat, 7 Sep 2019 14:49:50 +0300
Subject: [PATCH] [effects/wobblywindows] Draw clients below opaque wobbly
 windows

Summary:
Given that wobbly windows effect takes optimized render path, it needs
to clear the clip region of about to be transformed opaque window.

BUG: 411092
FIXED-IN: 5.17.0

Reviewers: #kwin, davidedmundson

Reviewed By: #kwin, davidedmundson

Subscribers: kwin

Tags: #kwin

Differential Revision: https://phabricator.kde.org/D23774
---
 effects/wobblywindows/wobblywindows.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/effects/wobblywindows/wobblywindows.cpp b/effects/wobblywindows/wobblywindows.cpp
index aa0d6e83e3..4abfe682a1 100644
--- a/effects/wobblywindows/wobblywindows.cpp
+++ b/effects/wobblywindows/wobblywindows.cpp
@@ -249,6 +249,10 @@ void WobblyWindowsEffect::prePaintWindow(EffectWindow* w, WindowPrePaintData& da
         bool stop = false;
         qreal updateTime = time;
 
+        // We have to reset the clip region in order to render clients below
+        // opaque wobbly windows.
+        data.clip = QRegion();
+
         while (!stop && (updateTime > maxTime)) {
 #if defined VERBOSE_MODE
             qCDebug(KWINEFFECTS) << "loop time " << updateTime << " / " << time;