diff options
Diffstat (limited to 'basicsuite/qt5-everywhere/demos/shaders/shaders/isolate.fsh')
-rwxr-xr-x | basicsuite/qt5-everywhere/demos/shaders/shaders/isolate.fsh | 88 |
1 files changed, 0 insertions, 88 deletions
diff --git a/basicsuite/qt5-everywhere/demos/shaders/shaders/isolate.fsh b/basicsuite/qt5-everywhere/demos/shaders/shaders/isolate.fsh deleted file mode 100755 index 0f25bfa..0000000 --- a/basicsuite/qt5-everywhere/demos/shaders/shaders/isolate.fsh +++ /dev/null @@ -1,88 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies). -** Contact: http://www.qt-project.org/legal -** -** This file is part of the Qt Mobility Components. -** -** $QT_BEGIN_LICENSE:LGPL$ -** 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 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 -** Alternatively, this file may be used under the terms of the GNU Lesser -** 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 -** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. -** -** In addition, as a special exception, Digia gives you certain additional -** rights. These rights are described in the Digia Qt LGPL Exception -** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** 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 -** ensure the GNU General Public License version 3.0 requirements will be -** met: http://www.gnu.org/copyleft/gpl.html. -** -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -// Based on http://kodemongki.blogspot.com/2011/06/kameraku-custom-shader-effects-example.html - -uniform float targetHue; -uniform float windowWidth; -uniform float dividerValue; - -uniform sampler2D source; -uniform lowp float qt_Opacity; -varying vec2 qt_TexCoord0; - -void rgb2hsl(vec3 rgb, out float h, out float s, float l) -{ - float maxval = max(rgb.r, max(rgb.g, rgb.b)); - float minval = min(rgb.r, min(rgb.g, rgb.b)); - float delta = maxval - minval; - l = (minval + maxval) / 2.0; - s = 0.0; - if (l > 0.0 && l < 1.0) - s = delta / (l < 0.5 ? 2.0 * l : 2.0 - 2.0 * l); - h = 0.0; - if (delta > 0.0) - { - if (rgb.r == maxval && rgb.g != maxval) - h += (rgb.g - rgb.b ) / delta; - if (rgb.g == maxval && rgb.b != maxval) - h += 2.0 + (rgb.b - rgb.r) / delta; - if (rgb.b == maxval && rgb.r != maxval) - h += 4.0 + (rgb.r - rgb.g) / delta; - h *= 60.0; - } -} - -void main() -{ - vec2 uv = qt_TexCoord0.xy; - vec3 col = texture2D(source, uv).rgb; - float h, s, l; - rgb2hsl(col, h, s, l); - float h2 = (h > targetHue) ? h - 360.0 : h + 360.0; - float y = 0.3 * col.r + 0.59 * col.g + 0.11 * col.b; - vec3 result; - if (uv.x > dividerValue || (abs(h - targetHue) < windowWidth) || (abs(h2 - targetHue) < windowWidth)) - result = col; - else - result = vec3(y, y, y); - gl_FragColor = qt_Opacity * vec4(result, 1.0); -} |