1 files changed, 4 insertions, 0 deletions
diff --git a/src/opengl/qgl_p.h b/src/opengl/qgl_p.h
index 16c225f..1727a41 100644
--- a/src/opengl/qgl_p.h
+++ b/src/opengl/qgl_p.h
@@ -177,6 +177,10 @@ public:
     void initContext(QGLContext *context, const QGLWidget* shareWidget);
     bool renderCxPm(QPixmap *pixmap);
     void cleanupColormaps();
+    void aboutToDestroy() {
+        if (glcx)
+            glcx->reset();
+    }
 
     QGLContext *glcx;
     QGLWidgetGLPaintDevice glDevice;