1
2out vec4 sk_FragColor;
3uniform vec2 a;
4uniform vec4 b;
5void main() {
6    sk_FragColor.x = float(packHalf2x16(a));
7    sk_FragColor.x = float(packUnorm2x16(a));
8    sk_FragColor.x = float(packSnorm2x16(a));
9    sk_FragColor.x = float(packUnorm4x8(b));
10    sk_FragColor.x = float(packSnorm4x8(b));
11}
12