1 2out vec4 sk_FragColor; 3uniform float unknownInput; 4void main() { 5 float value = 0.0; 6 switch (0) { 7 case 0: 8 value = 0.0; 9 if (unknownInput == 2.0) { 10 sk_FragColor = vec4(value); 11 break; 12 } 13 case 1: 14 value = 1.0; 15 } 16} 17