diff options
Diffstat (limited to 'examples/video/qmlvideofx/shaders/sharpen.fsh')
-rw-r--r-- | examples/video/qmlvideofx/shaders/sharpen.fsh | 75 |
1 files changed, 0 insertions, 75 deletions
diff --git a/examples/video/qmlvideofx/shaders/sharpen.fsh b/examples/video/qmlvideofx/shaders/sharpen.fsh deleted file mode 100644 index 39076375b..000000000 --- a/examples/video/qmlvideofx/shaders/sharpen.fsh +++ /dev/null @@ -1,75 +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 dividerValue; -uniform float amount; -const float step_w = 0.0015625; -const float step_h = 0.0027778; - -uniform sampler2D source; -uniform lowp float qt_Opacity; -varying vec2 qt_TexCoord0; - -vec3 sharpen(vec3 t1, vec3 t2, vec3 t3, vec3 t4, vec3 t5, vec3 t6, vec3 t7, vec3 t8, vec3 t9) -{ - return -t1 - t2 - t3 - t4 + amount * t5 - t6 - t7 - t8 - t9; -} - -void main() -{ - vec2 uv = qt_TexCoord0.xy; - vec3 t1 = texture2D(source, vec2(uv.x - step_w, uv.y - step_h)).rgb; - vec3 t2 = texture2D(source, vec2(uv.x, uv.y - step_h)).rgb; - vec3 t3 = texture2D(source, vec2(uv.x + step_w, uv.y - step_h)).rgb; - vec3 t4 = texture2D(source, vec2(uv.x - step_w, uv.y)).rgb; - vec3 t5 = texture2D(source, uv).rgb; - vec3 t6 = texture2D(source, vec2(uv.x + step_w, uv.y)).rgb; - vec3 t7 = texture2D(source, vec2(uv.x - step_w, uv.y + step_h)).rgb; - vec3 t8 = texture2D(source, vec2(uv.x, uv.y + step_h)).rgb; - vec3 t9 = texture2D(source, vec2(uv.x + step_w, uv.y + step_h)).rgb; - vec3 col = sharpen(t1, t2, t3, t4, t5, t6, t7, t8, t9); - if (uv.x < dividerValue) - gl_FragColor = qt_Opacity * vec4(col, 1.0); - else - gl_FragColor = qt_Opacity * texture2D(source, uv); -} |