in half2 h2;
in half3 h3;
in half4 h4;
in float2 f2;
in float3 f3;
in float4 f4;
void main() {
    sk_FragColor = half4(outerProduct(f2, f2)[1].xyyy);
    sk_FragColor = half4(outerProduct(f3, f3)[2].xyzz);
    sk_FragColor = half4(outerProduct(f4, f4)[3]);
    sk_FragColor = half4(outerProduct(f3, f2)[1].xyzz);
    sk_FragColor = half4(outerProduct(f2, f3)[2].xyyy);
    sk_FragColor = half4(outerProduct(f4, f2)[1]);
    sk_FragColor = half4(outerProduct(f2, f4)[3].xyyy);
    sk_FragColor = half4(outerProduct(f4, f3)[2]);
    sk_FragColor = half4(outerProduct(f3, f4)[3].xyzz);
    sk_FragColor = outerProduct(h2, h2)[1].xyyy;
    sk_FragColor = outerProduct(h3, h3)[2].xyzz;
    sk_FragColor = outerProduct(h4, h4)[3];
    sk_FragColor = outerProduct(h3, h2)[1].xyzz;
    sk_FragColor = outerProduct(h2, h3)[2].xyyy;
    sk_FragColor = outerProduct(h4, h2)[1];
    sk_FragColor = outerProduct(h2, h4)[3].xyyy;
    sk_FragColor = outerProduct(h4, h3)[2];
    sk_FragColor = outerProduct(h3, h4)[3].xyzz;
}