Files
qtmultimedia/examples/multimedia/video/qmlvideofx/shaders/wobble.fsh
Sergio Ahumada d60347eb83 Replace blog.qt.digia.com with blog.qt.io
Change-Id: I2c0a3ba90c3343b362cd756584979f1b08405d34
Reviewed-by: Tero Kojo <tero.kojo@theqtcompany.com>
Reviewed-by: Topi Reiniö <topi.reinio@digia.com>
2015-02-06 13:45:46 +00:00

63 lines
2.4 KiB
GLSL

/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the Qt Mobility Components.
**
** $QT_BEGIN_LICENSE:LGPL$
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** 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 Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** GNU Lesser General Public License Usage
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** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
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** General Public License version 3.0 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
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// Based on http://blog.qt.io/blog/2011/03/22/the-convenient-power-of-qml-scene-graph/
uniform float amplitude;
uniform float dividerValue;
uniform float frequency;
uniform float time;
uniform sampler2D source;
uniform lowp float qt_Opacity;
varying vec2 qt_TexCoord0;
void main()
{
vec2 uv = qt_TexCoord0.xy;
vec2 tc = qt_TexCoord0;
if (uv.x < dividerValue) {
vec2 p = sin(time + frequency * qt_TexCoord0);
tc += amplitude * vec2(p.y, -p.x);
}
gl_FragColor = qt_Opacity * texture2D(source, tc);
}