1 2out vec4 sk_FragColor; 3vec4 main() { 4 float one = 1.0; 5 vec4 result = vec4(123.0); 6 result.x = 0.0; 7 result.z = result.x * result.x; 8 result.y = 1.0; 9 result.w = one * one; 10 return result; 11} 12