From b4491c358ddc4d87258d92bc7fc99832bc3cd526 Mon Sep 17 00:00:00 2001
From: Laszlo Agocs <laszlo.agocs@theqtcompany.com>
Date: Thu, 29 Jan 2015 17:06:21 +0100
Subject: [PATCH] Document that setGraphicsEffect is not suitable for GL
 widgets

Task-number: QTBUG-44188
Change-Id: Ie5bea14ffb804124421e97e5f49975ac9ad6d838
Reviewed-by: Shawn Rutledge <shawn.rutledge@digia.com>
---
 src/widgets/kernel/qwidget.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/widgets/kernel/qwidget.cpp b/src/widgets/kernel/qwidget.cpp
index 27d45ccea6..68715413d1 100644
--- a/src/widgets/kernel/qwidget.cpp
+++ b/src/widgets/kernel/qwidget.cpp
@@ -5227,6 +5227,9 @@ QGraphicsEffect *QWidget::graphicsEffect() const
 
     \note This function will apply the effect on itself and all its children.
 
+    \note Graphics effects are not supported for OpenGL-based widgets, such as QGLWidget,
+    QOpenGLWidget and QQuickWidget.
+
     \since 4.6
 
     \sa graphicsEffect()