1#include <metal_stdlib> 2#include <simd/simd.h> 3#ifdef __clang__ 4#pragma clang diagnostic ignored "-Wall" 5#endif 6using namespace metal; 7struct Uniforms { 8 half4 colorGreen; 9 half4 colorRed; 10}; 11struct Inputs { 12}; 13struct Outputs { 14 half4 sk_FragColor [[color(0)]]; 15}; 16fragment Outputs fragmentMain(Inputs _in [[stage_in]], constant Uniforms& _uniforms [[buffer(0)]], bool _frontFacing [[front_facing]], float4 _fragCoord [[position]]) { 17 Outputs _out; 18 (void)_out; 19 float _skTemp0; 20 float _skTemp1; 21 float2 _skTemp2; 22 float2 _skTemp3; 23 float3 _skTemp4; 24 float3 _skTemp5; 25 float4 _skTemp6; 26 float4 _skTemp7; 27 float4 value = float4(2.5, -2.5, 8.0, -0.125); 28 const float4 expectedWhole = float4(2.0, -2.0, 8.0, 0.0); 29 const float4 expectedFraction = float4(0.5, -0.5, 0.0, -0.125); 30 bool4 ok = bool4(false); 31 float4 whole; 32 float4 fraction; 33 fraction.x = ((_skTemp1 = modf(value.x, _skTemp0)), (whole.x = _skTemp0), _skTemp1); 34 ok.x = whole.x == 2.0 && fraction.x == 0.5; 35 fraction.xy = ((_skTemp3 = modf(value.xy, _skTemp2)), (whole.xy = _skTemp2), _skTemp3); 36 ok.y = all(whole.xy == float2(2.0, -2.0)) && all(fraction.xy == float2(0.5, -0.5)); 37 fraction.xyz = ((_skTemp5 = modf(value.xyz, _skTemp4)), (whole.xyz = _skTemp4), _skTemp5); 38 ok.z = all(whole.xyz == float3(2.0, -2.0, 8.0)) && all(fraction.xyz == float3(0.5, -0.5, 0.0)); 39 fraction = ((_skTemp7 = modf(value, _skTemp6)), (whole = _skTemp6), _skTemp7); 40 ok.w = all(whole == expectedWhole) && all(fraction == expectedFraction); 41 _out.sk_FragColor = all(ok) ? _uniforms.colorGreen : _uniforms.colorRed; 42 return _out; 43} 44