From 1c54261a1b1a3e813d5cb2940e959b493b55f26f Mon Sep 17 00:00:00 2001
From: Cacodemon345 <wahil1976@outlook.com>
Date: Wed, 12 Mar 2025 21:16:53 +0600
Subject: [PATCH] Fix shader manager dialog crash when using multi-monitors

---
 src/qt/qt_openglrenderer.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/qt/qt_openglrenderer.cpp b/src/qt/qt_openglrenderer.cpp
index b451c2245..ef0332500 100644
--- a/src/qt/qt_openglrenderer.cpp
+++ b/src/qt/qt_openglrenderer.cpp
@@ -809,6 +809,7 @@ OpenGLRenderer::OpenGLRenderer(QWidget *parent)
     source.setRect(0, 0, 100, 100);
     isInitialized = false;
     isFinalized = false;
+    context = nullptr;
 }
 
 OpenGLRenderer::~OpenGLRenderer() { finalize(); }
@@ -1088,7 +1089,7 @@ OpenGLRenderer::initialize()
 void
 OpenGLRenderer::finalize()
 {
-    if (isFinalized)
+    if (isFinalized || !context)
         return;
 
     context->makeCurrent(this);