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 float4 testInputs; 11}; 12struct Inputs { 13}; 14struct Outputs { 15 half4 sk_FragColor [[color(0)]]; 16}; 17fragment Outputs fragmentMain(Inputs _in [[stage_in]], constant Uniforms& _uniforms [[buffer(0)]], bool _frontFacing [[front_facing]], float4 _fragCoord [[position]]) { 18 Outputs _out; 19 (void)_out; 20 uint xy = pack_float_to_unorm2x16(_uniforms.testInputs.xy); 21 uint zw = pack_float_to_unorm2x16(_uniforms.testInputs.zw); 22 const float2 tolerance = float2(0.015625); 23 _out.sk_FragColor = all((abs(unpack_unorm2x16_to_float(xy)) < tolerance)) && all((abs(unpack_unorm2x16_to_float(zw) - float2(0.75, 1.0)) < tolerance)) ? _uniforms.colorGreen : _uniforms.colorRed; 24 return _out; 25} 26