out vec4 sk_FragColor; uniform vec4 a; uniform vec4 b; uniform uvec2 c; uniform uvec2 d; uniform ivec3 e; uniform ivec3 f; void main() { bvec4 expectTTFF = bvec4(true, true, false, false); bvec4 expectFFTT = bvec4(false, false, true, true); sk_FragColor.x = float(lessThanEqual(a, b).x ? 1 : 0); sk_FragColor.y = float(lessThanEqual(c, d).y ? 1 : 0); sk_FragColor.z = float(lessThanEqual(e, f).z ? 1 : 0); sk_FragColor.w = float(any(expectTTFF) || any(expectFFTT) ? 1 : 0); }