Scene3D.Underlay does not work with RHI

    Scene3D {
        id: sceneId
        anchors.fill: parent
        focus: true
        aspects: ["render", "input", "logic"]
        entity: rootEntity
        compositingMode: Scene3D.Underlay
    }

    const bool usesFBO = scene3DRenderer->m_compositingMode == Scene3DItem::FBO;
    // Not sure how we could support underlay rendering properly given Qt3D RHI will render into its own
    // RHI RenderPasses prior to QtQuick and beginning a new RenderPass clears the screen
    Q_ASSERT(usesFBO);