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+/****************************************************************************
+**
+** Copyright (C) 2016 The Qt Company Ltd.
+** Contact: http://www.qt.io/licensing/
+**
+** This file is part of the demonstration applications of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** 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 The Qt Company Ltd 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."
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+// Use QtQuick 2.8 to get shaderType and the other new properties
+import QtQuick 2.8
+
+Item {
+ Rectangle {
+ color: "gray"
+ anchors.margins: 10
+ anchors.fill: parent
+ Image {
+ id: image
+ source: "qrc:/qt.png"
+ }
+ ShaderEffectSource {
+ id: effectSource
+ sourceItem: image
+ hideSource: true
+ }
+ ShaderEffect {
+ width: image.width
+ height: image.height
+ anchors.centerIn: parent
+
+ property variant source: effectSource
+ property real amplitude: 0.04 * 0.2
+ property real frequency: 20
+ property real time: 0
+
+ NumberAnimation on time { loops: Animation.Infinite; from: 0; to: Math.PI * 2; duration: 600 }
+
+ property string glslFragmentShader:
+ "uniform sampler2D source;" +
+ "uniform highp float amplitude;" +
+ "uniform highp float frequency;" +
+ "uniform highp float time;" +
+ "uniform lowp float qt_Opacity;" +
+ "varying highp vec2 qt_TexCoord0;" +
+ "void main() {" +
+ " highp vec2 p = sin(time + frequency * qt_TexCoord0);" +
+ " gl_FragColor = texture2D(source, qt_TexCoord0 + amplitude * vec2(p.y, -p.x)) * qt_Opacity;" +
+ "}"
+
+ property string hlslVertexShaderByteCode: "qrc:/vs_wobble.cso"
+ property string hlslPixelShaderByteCode: "qrc:/ps_wobble.cso"
+
+ // This effect does not need a custom vertex shader but have one with HLSL just to test that path as well.
+ vertexShader: shaderType === ShaderEffect.GLSL ? ""
+ : (shaderType === ShaderEffect.HLSL ? hlslVertexShaderByteCode : "")
+ fragmentShader: shaderType === ShaderEffect.GLSL ? glslFragmentShader
+ : (shaderType === ShaderEffect.HLSL ? hlslPixelShaderByteCode : "")
+ }
+ }
+}