uniform half a, b, c; | |
uniform half4 d, e; | |
half4 main(float2) { | |
// Ensure that constant-evaluation is safe in the presence of very large values. | |
half4 result = refract(6e26, 2, 2).xxxx; | |
result.x = refract(a, b, c); | |
result = refract(d, e, c); | |
result.xy = refract(half2(1,0), half2(0,1), 0.5); | |
result.xyz = refract(half3(1,0,0), half3(0,0,1), 0.5); | |
result.xyzw = refract(half4(1,0,0,0), half4(0,0,0,1), 0.5); | |
return result; | |
} |