diff options
Diffstat (limited to 'examples/multimedia/video/qmlvideofx/shaders/ripple.fsh')
-rw-r--r-- | examples/multimedia/video/qmlvideofx/shaders/ripple.fsh | 88 |
1 files changed, 0 insertions, 88 deletions
diff --git a/examples/multimedia/video/qmlvideofx/shaders/ripple.fsh b/examples/multimedia/video/qmlvideofx/shaders/ripple.fsh deleted file mode 100644 index aba47461f..000000000 --- a/examples/multimedia/video/qmlvideofx/shaders/ripple.fsh +++ /dev/null @@ -1,88 +0,0 @@ -/**************************************************************************** -** -** 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); -} |