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diff --git a/src/imports/controls/imagine/impl/OpacityMask.qml b/src/imports/controls/imagine/impl/OpacityMask.qml
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+/****************************************************************************
+**
+** Copyright (C) 2017 The Qt Company Ltd.
+** Contact: http://www.qt.io/licensing/
+**
+** This file is part of the Qt Quick Controls 2 module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL3$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see http://www.qt.io/terms-conditions. For further
+** information use the contact form at http://www.qt.io/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 3 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPLv3 included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 3 requirements
+** will be met: https://www.gnu.org/licenses/lgpl.html.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 2.0 or later as published by the Free
+** Software Foundation and appearing in the file LICENSE.GPL included in
+** the packaging of this file. Please review the following information to
+** ensure the GNU General Public License version 2.0 requirements will be
+** met: http://www.gnu.org/licenses/gpl-2.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+import QtQuick 2.12
+
+/*
+   A cross-graphics API implementation of QtGraphicalEffects' OpacityMask.
+ */
+Item {
+    id: rootItem
+
+    property variant source
+    property variant maskSource
+    property bool cached: false
+
+    ShaderEffectSource {
+        id: cacheItem
+        anchors.fill: parent
+        visible: rootItem.cached
+        smooth: true
+        sourceItem: shaderItem
+        live: true
+        hideSource: visible
+    }
+
+    ShaderEffect {
+        id: shaderItem
+        property variant source: rootItem.source
+        property variant maskSource: rootItem.maskSource
+
+        anchors.fill: parent
+
+        fragmentShader: "qrc:/qt-project.org/imports/QtQuick/Controls/Imagine/impl/shaders/OpacityMask.frag"
+    }
+}