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**
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** This file is part of the test suite of the Qt Toolkit.
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import QtQuick 1.0
import Qt.labs.shaders 1.0

Rectangle {
    anchors.fill: parent;
    color: "green"

    Timer {
        running: true
        interval: 2000
        repeat: true
        onTriggered: {
            effect.blending = !effect.blending
        }
    }

    ShaderEffectItem {
        id: effect
        anchors.fill: parent;
        fragmentShader: "
        varying highp vec2 qt_TexCoord0;
        void main() {
            gl_FragColor = vec4(1.0, 0.0, 0.0, 0.0);
        }
        "
    }

    Rectangle {
        width: parent.width
        height: 40
        color: "#cc000000"

        Text {
             id: label
             anchors.centerIn:  parent
             text: effect.blending ? "Effect blending (display should be orange)" : "Effect not blending (display should be red)"
             color: "white"
             font.bold: true
        }
    }
}
