1uniform uint a; 2void main() { 3 sk_FragColor.xy = half2(unpackHalf2x16(a)); 4 sk_FragColor.xy = half2(unpackUnorm2x16(a)); 5 sk_FragColor.xy = half2(unpackSnorm2x16(a)); 6 sk_FragColor = half4(unpackUnorm4x8(a)); 7 sk_FragColor = half4(unpackSnorm4x8(a)); 8} 9