skia2/tests/sksl/intrinsics/Distance.metal

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Metal
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#include <metal_stdlib>
#include <simd/simd.h>
using namespace metal;
struct Inputs {
float a;
float b;
float4 c;
float4 d;
};
struct Outputs {
float4 sk_FragColor [[color(0)]];
};
fragment Outputs fragmentMain(Inputs _in [[stage_in]], bool _frontFacing [[front_facing]], float4 _fragCoord [[position]]) {
Outputs _out;
(void)_out;
_out.sk_FragColor.x = abs(_in.a - _in.b);
_out.sk_FragColor.x = distance(_in.c, _in.d);
return _out;
}