1uniform half4 colorGreen, colorRed; 2 3noinline bool checkIntrinsicAsFunctionArg(float3 f3, int3 e3) { 4 // 6 equals 0.75 * 2^3. 5 return (f3 == float3(0.75) && e3 == int3(3)); 6} 7 8half4 main(float2 coords) { 9 float4 value = colorGreen.gggg * 6; 10 int4 exp; 11 float4 result; 12 bool4 ok; 13 14 // 6 equals 0.75 * 2^3. 15 result.x = frexp(value.x, exp.x); 16 ok.x = (result.x == 0.75 && exp.x == 3); 17 result.xy = frexp(value.xy, exp.xy); 18 ok.y = (result.y == 0.75 && exp.y == 3); 19 result.xyz = frexp(value.xyz, exp.xyz); 20 ok.z = (result.z == 0.75 && exp.z == 3); 21 result.xyzw = frexp(value.xyzw, exp.xyzw); 22 ok.w = (result.w == 0.75 && exp.w == 3); 23 24 bool funcOk = checkIntrinsicAsFunctionArg(frexp(value.wzy, exp.zxw).yxz, exp.yxz); 25 26 return all(ok) && funcOk ? colorGreen : colorRed; 27} 28