struct Uniforms { float4 testInputs; float4 colorGreen; float4 colorRed; }; struct Inputs { }; struct Outputs { float4 sk_FragColor [[color(0)]]; }; fragment Outputs fragmentMain(Inputs _in [[stage_in]], constant Uniforms& _uniforms [[buffer(0)]], bool _frontFacing [[front_facing]], float4 _fragCoord [[position]]) { Outputs _out; (void)_out; float4 expectedA = float4(-1.0, 0.0, 0.75, 1.0); float4 clampLow = float4(-1.0, -2.0, -2.0, 1.0); float4 expectedB = float4(-1.0, 0.0, 0.5, 2.25); float4 clampHigh = float4(1.0, 2.0, 0.5, 3.0); _out.sk_FragColor = ((((((clamp(_uniforms.testInputs.x, -1.0, 1.0) == expectedA.x && all(clamp(_uniforms.testInputs.xy, -1.0, 1.0) == expectedA.xy)) && all(clamp(_uniforms.testInputs.xyz, -1.0, 1.0) == expectedA.xyz)) && all(clamp(_uniforms.testInputs, -1.0, 1.0) == expectedA)) && clamp(_uniforms.testInputs.x, clampLow.x, clampHigh.x) == expectedB.x) && all(clamp(_uniforms.testInputs.xy, clampLow.xy, clampHigh.xy) == expectedB.xy)) && all(clamp(_uniforms.testInputs.xyz, clampLow.xyz, clampHigh.xyz) == expectedB.xyz)) && all(clamp(_uniforms.testInputs, clampLow, clampHigh) == expectedB) ? _uniforms.colorGreen : _uniforms.colorRed; return _out; }