1#include <metal_stdlib> 2#include <simd/simd.h> 3using namespace metal; 4struct Uniforms { 5 float a; 6 float b; 7 float c; 8}; 9struct Inputs { 10}; 11struct Outputs { 12 float4 sk_FragColor [[color(0)]]; 13}; 14 15fragment Outputs fragmentMain(Inputs _in [[stage_in]], constant Uniforms& _uniforms [[buffer(0)]], bool _frontFacing [[front_facing]], float4 _fragCoord [[position]]) { 16 Outputs _out; 17 (void)_out; 18 _out.sk_FragColor.x = fma(_uniforms.a, _uniforms.b, _uniforms.c); 19 return _out; 20} 21