1 2out vec4 sk_FragColor; 3uniform vec4 colorGreen; 4uniform vec4 colorRed; 5vec4 main() { 6 int check = 0; 7 check += colorGreen.y == 1.0 ? 0 : 1; 8 check += int(colorGreen.x == 1.0); 9 check += colorGreen.yx == colorRed.xy ? 0 : 1; 10 check += int(colorGreen.yx != colorRed.xy); 11 return check == 0 ? colorGreen : colorRed; 12} 13