From 367a64aa1f8fdb474580489345110c8ac394ae49 Mon Sep 17 00:00:00 2001
From: Ilya Fedin <fedin-ilja2010@ya.ru>
Date: Wed, 6 Dec 2023 02:48:50 +0400
Subject: [PATCH] Fix Qt's texture use-after-free with HiDPI

---
 ui/gl/gl_surface.cpp | 9 +--------
 1 file changed, 1 insertion(+), 8 deletions(-)

diff --git a/ui/gl/gl_surface.cpp b/ui/gl/gl_surface.cpp
index 3900b07..64f3bcb 100644
--- a/ui/gl/gl_surface.cpp
+++ b/ui/gl/gl_surface.cpp
@@ -38,7 +38,6 @@ private:
 	const std::unique_ptr<Renderer> _renderer;
 	QMetaObject::Connection _connection;
 	QSize _deviceSize;
-	bool _inPaintEvent = false;
 
 };
 
@@ -85,16 +84,10 @@ void SurfaceOpenGL::resizeGL(int w, int h) {
 }
 
 void SurfaceOpenGL::paintEvent(QPaintEvent *e) {
-	if (_inPaintEvent) {
-		return;
-	}
-	_inPaintEvent = true;
 	if (_deviceSize != size() * devicePixelRatio()) {
-		QResizeEvent event = { size(), size() };
-		resizeEvent(&event);
+		QCoreApplication::postEvent(this, new QResizeEvent(size(), size()));
 	}
 	QOpenGLWidget::paintEvent(e);
-	_inPaintEvent = false;
 }
 
 void SurfaceOpenGL::paintGL() {