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-/****************************************************************************
-**
-** Copyright (C) 2016 The Qt Company Ltd and/or its subsidiary(-ies).
-** Contact: https://www.qt.io/licensing/
-**
-** This file is part of the Qt Mobility Components.
-**
-** $QT_BEGIN_LICENSE:BSD$
-** 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 https://www.qt.io/terms-conditions. For further
-** information use the contact form at https://www.qt.io/contact-us.
-**
-** BSD License Usage
-** Alternatively, 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."
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-// Based on http://blog.qt.io/blog/2011/03/22/the-convenient-power-of-qml-scene-graph/
-
-uniform float dividerValue;
-uniform float targetWidth;
-uniform float targetHeight;
-uniform float time;
-
-uniform sampler2D source;
-uniform lowp float qt_Opacity;
-varying vec2 qt_TexCoord0;
-
-const float PI = 3.14159265358979323846;
-const int ITER = 7;
-const float RATE = 0.1;
-uniform float amplitude;
-uniform float n;
-uniform float pixDens;
-
-void main()
-{
- vec2 uv = qt_TexCoord0.xy;
- vec2 tc = uv;
- vec2 p = vec2(-1.0 + 2.0 * (gl_FragCoord.x - (pixDens * 14.0)) / targetWidth, -(-1.0 + 2.0 * (gl_FragCoord.y - (pixDens * 29.0)) / targetHeight));
- float diffx = 0.0;
- float diffy = 0.0;
- vec4 col;
- if (uv.x < dividerValue) {
- for (int i=0; i<ITER; ++i) {
- float theta = float(i) * PI / float(ITER);
- vec2 r = vec2(cos(theta) * p.x + sin(theta) * p.y, -1.0 * sin(theta) * p.x + cos(theta) * p.y);
- float diff = (sin(2.0 * PI * n * (r.y + time * RATE)) + 1.0) / 2.0;
- diffx += diff * sin(theta);
- diffy += diff * cos(theta);
- }
- tc = 0.5*(vec2(1.0,1.0) + p) + amplitude * vec2(diffx, diffy);
- }
- gl_FragColor = qt_Opacity * texture2D(source, tc);
-}