From 1573d04b5ac7f54649fd8225a42c7a9a09266eb5 Mon Sep 17 00:00:00 2001
From: David Redondo <kde@david-redondo.de>
Date: Wed, 10 Apr 2024 15:36:00 +0200
Subject: [PATCH] Mark windows for offsceen rendering in WindowThumbnailSource

This way if an effect wants to show such  window  that is for example
on a different virtual desktop it is updated live.
BUG:456280
FIXED-IN:6.0.4
---
 src/scripting/windowthumbnailitem.cpp | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/scripting/windowthumbnailitem.cpp b/src/scripting/windowthumbnailitem.cpp
index d2b46747fe..e07357234e 100644
--- a/src/scripting/windowthumbnailitem.cpp
+++ b/src/scripting/windowthumbnailitem.cpp
@@ -51,10 +51,17 @@ WindowThumbnailSource::WindowThumbnailSource(QQuickWindow *view, Window *handle)
     });
 
     connect(Compositor::self()->scene(), &WorkspaceScene::preFrameRender, this, &WindowThumbnailSource::update);
+
+    m_handle->refOffscreenRendering();
 }
 
 WindowThumbnailSource::~WindowThumbnailSource()
 {
+
+    if (m_handle) {
+        m_handle->unrefOffscreenRendering();
+    }
+
     if (!m_offscreenTexture) {
         return;
     }