skia2/resources/sksl/inliner/SwizzleCanBeInlinedDirectly.sksl

uniform half4 inColor;

half4 flip(half4 v) {
    return v.wzyx;
}

void main() {
    half4 color = inColor;

    sk_FragColor = color.xyzy.wzyx;
    sk_FragColor = flip(color.xyzy);

    sk_FragColor = color;
}