diff options
Diffstat (limited to 'examples/multimedia/video/qmlvideofx/shaders/magnify.fsh')
-rw-r--r-- | examples/multimedia/video/qmlvideofx/shaders/magnify.fsh | 80 |
1 files changed, 0 insertions, 80 deletions
diff --git a/examples/multimedia/video/qmlvideofx/shaders/magnify.fsh b/examples/multimedia/video/qmlvideofx/shaders/magnify.fsh deleted file mode 100644 index f7621bed3..000000000 --- a/examples/multimedia/video/qmlvideofx/shaders/magnify.fsh +++ /dev/null @@ -1,80 +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://www.reddit.com/r/programming/comments/losip/shader_toy/c2upn1e - -uniform sampler2D source; -uniform lowp float qt_Opacity; -varying vec2 qt_TexCoord0; -uniform float radius; -uniform float diffractionIndex; -uniform float targetWidth; -uniform float targetHeight; -uniform float posX; -uniform float posY; -uniform float pixDens; - -void main() -{ - vec2 tc = qt_TexCoord0; - vec2 center = vec2(posX, posY); - vec2 xy = gl_FragCoord.xy - center.xy; - xy.x -= (pixDens * 14.0); - xy.y -= (pixDens * 29.0); - float r = sqrt(xy.x * xy.x + xy.y * xy.y); - if (r < radius) { - float h = diffractionIndex * 0.5 * radius; - vec2 new_xy = r < radius ? xy * (radius - h) / sqrt(radius * radius - r * r) : xy; - vec2 targetSize = vec2(targetWidth, targetHeight); - tc = (new_xy + center) / targetSize; - tc.y = 1.0 - tc.y; - } - gl_FragColor = qt_Opacity * texture2D(source, tc); -} |