From ffe7142d1f847919d3bbd025fb849d1bc674c539 Mon Sep 17 00:00:00 2001
From: Vicki Pfau <vi@endrift.com>
Date: Thu, 23 May 2019 21:53:32 -0700
Subject: [PATCH] Qt: Fix crash when shutting down display

---
 src/platform/qt/DisplayGL.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/platform/qt/DisplayGL.cpp b/src/platform/qt/DisplayGL.cpp
index 71398e6af..12da1bdb1 100644
--- a/src/platform/qt/DisplayGL.cpp
+++ b/src/platform/qt/DisplayGL.cpp
@@ -404,6 +404,10 @@ void PainterGL::stop() {
 	dequeueAll();
 	m_backend->clear(m_backend);
 	m_backend->swap(m_backend);
+	if (m_swapTimer.isActive()) {
+		swap();
+		m_swapTimer.stop();
+	}
 	if (m_videoProxy) {
 		m_videoProxy->reset();
 	}