# Tests that a basic invert backdrop-filter works --- root: items: - type: stacking-context backdrop-root: true bounds: 0 0 0 0 items: - type: rect color: [255, 0, 0, 1] bounds: 0 0 256 256 - type: clip id: 2 bounds: 0 0 256 256 clip-rect: 0 0 256 256 - type: stacking-context bounds: 0 0 0 0 items: - type: backdrop-filter bounds: 0 0 256 256 filters: invert(1)