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/****************************************************************************
**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/
**
** This file is part of the Qt3D examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** 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 Nokia Corporation and its Subsidiary(-ies) 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."
**
** $QT_END_LICENSE$
**
****************************************************************************/
import QtQuick 1.0
import Qt3D 1.0
Viewport {
width: 640; height: 480
TutorialTeapot {
effect: program
}
ShaderProgram {
id: program
texture: "textures/qtlogo.png"
property real textureOffsetX : 1.0
NumberAnimation on textureOffsetX
{
running: true; loops: Animation.Infinite
from: 0.0; to: 1.0;
duration: 1000
}
property string texture2: "textures/basket.jpg"
property real interpolationFactor : 1.0
SequentialAnimation on interpolationFactor
{
running: true; loops: Animation.Infinite
NumberAnimation { from: 0.0; to: 1.0; duration: 2000 }
PauseAnimation { duration: 500 }
NumberAnimation { from: 1.0; to: 0.0; duration: 2000 }
PauseAnimation { duration: 500 }
}
vertexShader: "
attribute highp vec4 qt_Vertex;
uniform mediump mat4 qt_ModelViewProjectionMatrix;
attribute highp vec4 qt_MultiTexCoord0;
uniform mediump float textureOffsetX;
varying mediump vec4 texCoord;
void main(void)
{
gl_Position = qt_ModelViewProjectionMatrix * qt_Vertex;
texCoord.st = vec2(-qt_MultiTexCoord0.s - textureOffsetX,
-qt_MultiTexCoord0.t);
texCoord.pq = vec2(-qt_MultiTexCoord0.s + textureOffsetX,
-qt_MultiTexCoord0.t);
}
"
fragmentShader: "
varying highp vec4 texCoord;
uniform sampler2D qt_Texture0;
uniform sampler2D texture2;
uniform mediump float interpolationFactor;
void main(void)
{
mediump vec4 texture1Color = texture2D(qt_Texture0, texCoord.st);
mediump vec4 texture2Color = texture2D(texture2, texCoord.pq);
mediump vec4 textureColor = mix(texture1Color, texture2Color, interpolationFactor);
gl_FragColor = textureColor;
}
"
}
}
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