1#include <metal_stdlib> 2#include <simd/simd.h> 3using namespace metal; 4struct Uniforms { 5 half4 colorGreen; 6 half4 colorRed; 7}; 8struct Inputs { 9}; 10struct Outputs { 11 half4 sk_FragColor [[color(0)]]; 12}; 13float2x2 float2x2_from_float3x3(float3x3 x0) { 14 return float2x2(float2(x0[0].xy), float2(x0[1].xy)); 15} 16float2x2 float2x2_from_float4x4(float4x4 x0) { 17 return float2x2(float2(x0[0].xy), float2(x0[1].xy)); 18} 19float3x3 float3x3_from_float4x4(float4x4 x0) { 20 return float3x3(float3(x0[0].xyz), float3(x0[1].xyz), float3(x0[2].xyz)); 21} 22float3x3 float3x3_from_float2x2(float2x2 x0) { 23 return float3x3(float3(x0[0].xy, 0.0), float3(x0[1].xy, 0.0), float3(0.0, 0.0, 1.0)); 24} 25float4x4 float4x4_from_float3x3(float3x3 x0) { 26 return float4x4(float4(x0[0].xyz, 0.0), float4(x0[1].xyz, 0.0), float4(x0[2].xyz, 0.0), float4(0.0, 0.0, 0.0, 1.0)); 27} 28fragment Outputs fragmentMain(Inputs _in [[stage_in]], constant Uniforms& _uniforms [[buffer(0)]], bool _frontFacing [[front_facing]], float4 _fragCoord [[position]]) { 29 Outputs _out; 30 (void)_out; 31 float result = 0.0; 32 float2x2 a = float2x2_from_float3x3(float3x3(1.0)); 33 result += a[0].x; 34 float2x2 b = float2x2_from_float4x4(float4x4(1.0)); 35 result += b[0].x; 36 float3x3 c = float3x3_from_float4x4(float4x4(1.0)); 37 result += c[0].x; 38 float3x3 d = float3x3_from_float2x2(float2x2(1.0)); 39 result += d[0].x; 40 float4x4 e = float4x4_from_float3x3(float3x3_from_float2x2(float2x2(1.0))); 41 result += e[0].x; 42 float2x2 f = float2x2_from_float3x3(float3x3_from_float4x4(float4x4(1.0))); 43 result += f[0].x; 44 _out.sk_FragColor = result == 6.0 ? _uniforms.colorGreen : _uniforms.colorRed; 45 return _out; 46} 47