out vec4 sk_FragColor; uniform vec4 colorGreen; uniform vec4 colorRed; vec4 main() { float f = colorGreen.y; int i = int(colorGreen.y); bool b = bool(colorGreen.y); float f1 = f; float f2 = float(i); float f3 = float(b); int i1 = int(f); int i2 = i; int i3 = int(b); bool b1 = bool(f); bool b2 = bool(i); bool b3 = b; return (((((((f1 + f2) + f3) + float(i1)) + float(i2)) + float(i3)) + float(b1)) + float(b2)) + float(b3) == 9.0 ? colorGreen : colorRed; }