1#include <metal_stdlib> 2#include <simd/simd.h> 3using namespace metal; 4struct Uniforms { 5 float2x2 testMatrix2x2; 6 half4 colorGreen; 7 half4 colorRed; 8}; 9struct Inputs { 10}; 11struct Outputs { 12 half4 sk_FragColor [[color(0)]]; 13}; 14fragment Outputs fragmentMain(Inputs _in [[stage_in]], constant Uniforms& _uniforms [[buffer(0)]], bool _frontFacing [[front_facing]], float4 _fragCoord [[position]]) { 15 Outputs _out; 16 (void)_out; 17 _out.sk_FragColor = determinant(_uniforms.testMatrix2x2) == -2.0 ? _uniforms.colorGreen : _uniforms.colorRed; 18 return _out; 19} 20