blob: 85cff6d019ce6ae9fd6df1c38f934a8eb1221d38 [file] [log] [blame]
#include <metal_stdlib>
#include <simd/simd.h>
using namespace metal;
struct Uniforms {
half2 ah;
half2 bh;
float2 af;
float2 bf;
};
struct Inputs {
};
struct Outputs {
half4 sk_FragColor [[color(0)]];
};
half cross_length_2d_hh2h2(half2 a, half2 b) {
return a.x * b.y - a.y * b.x;
}
float cross_length_2d_ff2f2(float2 a, float2 b) {
return a.x * b.y - a.y * b.x;
}
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.x = cross_length_2d_hh2h2(_uniforms.ah, _uniforms.bh);
_out.sk_FragColor.y = half(cross_length_2d_ff2f2(_uniforms.af, _uniforms.bf));
return _out;
}