flowchart LR
    s["one D3D12 sample<br/>near a texture edge"] --> a["Metal sampler A:<br/>transparent-black border → a"]
    s --> b["Metal sampler B:<br/>opaque-white border → b"]
    a --> f["a + (b − a) × border colour"]
    b --> f
    f --> out["D3D12's answer,<br/>filtered edges included"]