qt6-bb10/qtdeclarative/tests/auto/quick/qquickitemlayer/data/Effect.qml

import QtQuick 2.0

Item
{
    width: 200
    height: 100

    Rectangle {
        id: box
        width: 200
        height: 100

        color: "#0000ff"

        Rectangle {
            x: 100
            width: 100
            height: 100
            color: "#00ff00"
        }

        layer.enabled: true
        layer.effect: ShaderEffect {
            fragmentShader: "effect.frag.qsb"
        }
    }
}