blob: 72620325add3192937a312c1787d8f09e0533efe (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
|
/****************************************************************************
**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/
**
** This file is part of the Qt Mobility Components.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** 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, Nokia gives you certain additional
** rights. These rights are described in the Nokia 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.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
// Based on http://www.geeks3d.com/20100909/shader-library-gaussian-blur-post-processing-filter-in-glsl/
import QtQuick 2.0
Item {
id: root
property bool divider: true
property real dividerValue: 0.5
property ListModel parameters: ListModel {
ListElement {
name: "radius"
value: 0.5
}
}
property alias targetWidth: verticalShader.targetWidth
property alias targetHeight: verticalShader.targetHeight
property alias source: verticalShader.source
Effect {
id: verticalShader
anchors.fill: parent
dividerValue: parent.dividerValue
property real blurSize: 4.0 * parent.parameters.get(0).value / targetHeight
fragmentShaderFilename: "shaders/gaussianblur_v.fsh"
}
Effect {
id: horizontalShader
anchors.fill: parent
dividerValue: parent.dividerValue
property real blurSize: 4.0 * parent.parameters.get(0).value / parent.targetWidth
fragmentShaderFilename: "shaders/gaussianblur_h.fsh"
source: horizontalShaderSource
ShaderEffectSource {
id: horizontalShaderSource
sourceItem: verticalShader
smooth: true
hideSource: true
}
}
}
|
