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diff --git a/src/effects/BrightnessContrast.qml b/src/effects/BrightnessContrast.qml
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+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the Qt Graphical Effects module.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** You may use this file under the terms of the BSD license as follows:
+**
+** "Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are
+** met:
+**   * Redistributions of source code must retain the above copyright
+**     notice, this list of conditions and the following disclaimer.
+**   * Redistributions in binary form must reproduce the above copyright
+**     notice, this list of conditions and the following disclaimer in
+**     the documentation and/or other materials provided with the
+**     distribution.
+**   * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
+**     the names of its contributors may be used to endorse or promote
+**     products derived from this software without specific prior written
+**     permission.
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+import QtQuick 2.0
+
+Item {
+    id: rootItem
+    property variant source
+    property real brightness: 0.0
+    property real contrast: 0.0
+    property bool cached: false
+
+    SourceProxy {
+        id: sourceProxy
+        input: rootItem.source
+    }
+
+    ShaderEffectSource {
+        id: cacheItem
+        anchors.fill: parent
+        visible: rootItem.cached
+        smooth: true
+        sourceItem: shaderItem
+        live: true
+        hideSource: visible
+    }
+
+    ShaderEffect {
+        id: shaderItem
+        property variant source: sourceProxy.output
+        property real brightness: rootItem.brightness
+        property real contrast: rootItem.contrast
+
+        anchors.fill: parent
+        blending: !rootItem.cached
+
+        fragmentShader: "
+            varying mediump vec2 qt_TexCoord0;
+            uniform highp float qt_Opacity;
+            uniform sampler2D source;
+            uniform highp float brightness;
+            uniform highp float contrast;
+            void main() {
+                highp vec4 pixelColor = texture2D(source, qt_TexCoord0);
+                pixelColor.rgb /= max(1.0/256.0, pixelColor.a);
+                highp float c = 1.0 + contrast;
+                highp float contrastGainFactor = 1.0 + c * c * c * c * step(0.0, contrast);
+                pixelColor.rgb = ((pixelColor.rgb - 0.5) * (contrastGainFactor * contrast + 1.0)) + 0.5;
+                pixelColor.rgb += brightness;
+                pixelColor.rgb *= pixelColor.a;
+                pixelColor.rgb = mix(pixelColor.rgb, vec3(1.0, 1.0, 1.0), brightness);
+                gl_FragColor = pixelColor * qt_Opacity;
+            }
+        "
+    }
+}