1#include <metal_stdlib> 2#include <simd/simd.h> 3#ifdef __clang__ 4#pragma clang diagnostic ignored "-Wall" 5#endif 6using namespace metal; 7struct Inputs { 8}; 9struct Outputs { 10 half4 sk_FragColor [[color(0)]]; 11}; 12float3x3 float3x3_from_float2x2(float2x2 x0) { 13 return float3x3(float3(x0[0].xy, 0.0), float3(x0[1].xy, 0.0), float3(0.0, 0.0, 1.0)); 14} 15fragment Outputs fragmentMain(Inputs _in [[stage_in]], bool _frontFacing [[front_facing]], float4 _fragCoord [[position]]) { 16 Outputs _out; 17 (void)_out; 18 float3x3 a = float3x3(1.0); 19 float3x3 b = float3x3_from_float2x2(float2x2(1.0)); 20 _out.sk_FragColor.x = half(all(a[0] == b[0]) ? 0 : 1); 21 return _out; 22} 23