#include <metal_stdlib> | |
#include <simd/simd.h> | |
using namespace metal; | |
struct Inputs { | |
float2 a; | |
float2 b; | |
}; | |
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 = _in.a.x * _in.b.y - _in.a.y * _in.b.x; | |
return _out; | |
} |