tests/manual/scenegraph_lancelot/data/shaders/source/visible_2.qml


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import QtQuick 2.0

Item {
    width: 320
    height: 480

    Text {
        id: text
        anchors.horizontalCenter: parent.horizontalCenter
        anchors.top: parent.top
        font.pixelSize: 80
        text: "Shaderz!"
    }

    ShaderEffectSource {
        id: source
        sourceItem: text
        hideSource: false
    }

    ShaderEffect {
        id: effect
        anchors.top: text.bottom
        anchors.left: text.left
        width: text.width
        height: text.height

        property variant source: source

        fragmentShader: "
        uniform lowp sampler2D source;
        varying highp vec2 qt_TexCoord0;
        uniform lowp float qt_Opacity;
        void main() {
            gl_FragColor = vec4(qt_TexCoord0.x, qt_TexCoord0.y, 1, 1) * texture2D(source, qt_TexCoord0).a;
        }
        "

    }
}