third_party/skia_next/third_party/skia/tests/sksl/intrinsics/Determinant.metal

#include <metal_stdlib>
#include <simd/simd.h>
using namespace metal;
struct Uniforms {
    float2x2 testMatrix2x2;
    half4 colorGreen;
    half4 colorRed;
};
struct Inputs {
};
struct Outputs {
    half4 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;
    _out.sk_FragColor = determinant(_uniforms.testMatrix2x2) == -2.0 ? _uniforms.colorGreen : _uniforms.colorRed;
    return _out;
}