From c2a17b4422d70c7ed039cebd4a35404862a697c1 Mon Sep 17 00:00:00 2001
From: ck <chenke@deepin.org>
Date: Thu, 15 Aug 2024 15:35:56 +0800
Subject: [PATCH] fix: cashed on onTextureChanged

invalid BlitTextureProvider pointer
---
 src/private/dquickbackdropblitter.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/private/dquickbackdropblitter.cpp b/src/private/dquickbackdropblitter.cpp
index 8fb6929e..646c12e5 100644
--- a/src/private/dquickbackdropblitter.cpp
+++ b/src/private/dquickbackdropblitter.cpp
@@ -276,6 +276,10 @@ QSGNode *DQuickBackdropBlitter::updatePaintNode(QSGNode *oldNode, QQuickItem::Up
 
     node->setContentItem(d->container);
     node->setTextureChangedCallback(onTextureChanged, d);
+    connect(this, &QObject::destroyed, this, [node](){
+        // fix callback crashed...
+        node->setTextureChangedCallback(nullptr, nullptr);
+    });
     node->resize(size());
     onTextureChanged(node, d);