From fd6dddfc332d61ff496e18a0e7e7b7fe73854b14 Mon Sep 17 00:00:00 2001
From: Willem Melching <willem.melching@gmail.com>
Date: Wed, 16 Jun 2021 14:06:22 +0200
Subject: [PATCH] only clean up openGL buffers if context is still valid

old-commit-hash: 1ce3184c169f368bef9d36bd2c11a6c399e2c88e
---
 selfdrive/ui/qt/widgets/cameraview.cc | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/selfdrive/ui/qt/widgets/cameraview.cc b/selfdrive/ui/qt/widgets/cameraview.cc
index e8909c95b7..cc84c59dee 100644
--- a/selfdrive/ui/qt/widgets/cameraview.cc
+++ b/selfdrive/ui/qt/widgets/cameraview.cc
@@ -84,10 +84,12 @@ CameraViewWidget::CameraViewWidget(VisionStreamType stream_type, QWidget* parent
 
 CameraViewWidget::~CameraViewWidget() {
   makeCurrent();
+  if (isValid()) {
+    glDeleteVertexArrays(1, &frame_vao);
+    glDeleteBuffers(1, &frame_vbo);
+    glDeleteBuffers(1, &frame_ibo);
+  }
   doneCurrent();
-  glDeleteVertexArrays(1, &frame_vao);
-  glDeleteBuffers(1, &frame_vbo);
-  glDeleteBuffers(1, &frame_ibo);
 }
 
 void CameraViewWidget::initializeGL() {