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/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the QML Shaders plugin of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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 The Qt Company. For licensing terms
** and conditions see http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/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 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** As a special exception, The Qt Company gives you certain additional
** rights. These rights are described in The Qt Company 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.
**
** $QT_END_LICENSE$
**
****************************************************************************/
import QtQuick 1.0
import Qt.labs.shaders 1.0
Rectangle {
anchors.fill: parent;
color: "red"
Timer {
running: true
interval: 2000
repeat: true
onTriggered: {
effect.vertexShader == effect.defaultVertexShader ? effect.vertexShader = effect.dummyVertexShader : effect.vertexShader = effect.defaultVertexShader
}
}
ShaderEffectItem {
id: effect
anchors.fill: parent;
property string defaultVertexShader: "
uniform highp mat4 qt_ModelViewProjectionMatrix;
attribute highp vec4 qt_Vertex;
attribute highp vec2 qt_MultiTexCoord0;
varying highp vec2 qt_TexCoord0;
void main(void)
{
qt_TexCoord0 = qt_MultiTexCoord0;
gl_Position = qt_ModelViewProjectionMatrix * qt_Vertex;
}
"
property string dummyVertexShader: "
uniform highp mat4 qt_ModelViewProjectionMatrix;
attribute highp vec4 qt_Vertex;
attribute highp vec2 qt_MultiTexCoord0;
varying highp vec2 qt_TexCoord0;
void main(void)
{
qt_TexCoord0 = qt_MultiTexCoord0;
gl_Position = qt_Vertex * vec4(0.0, 0.0, 0.0, 0.0001);
}
"
vertexShader: defaultVertexShader
fragmentShader: "
varying highp vec2 qt_TexCoord0;
void main() {
gl_FragColor = vec4(0.0, 1.0, 0.0, 1.0);
}
"
}
Rectangle {
width: parent.width
height: 40
color: "#cc000000"
Text {
id: label
anchors.centerIn: parent
text: effect.vertexShader == effect.defaultVertexShader ? "Effect (display shoud be green)" : "Effect (display shoud be red)"
color: "white"
font.bold: true
}
}
}
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