1#include <metal_stdlib> 2#include <simd/simd.h> 3using namespace metal; 4struct Uniforms { 5 float4 src; 6 float4 dst; 7}; 8struct Inputs { 9}; 10struct Outputs { 11 float4 sk_FragColor [[color(0)]]; 12}; 13 14fragment Outputs fragmentMain(Inputs _in [[stage_in]], constant Uniforms& _uniforms [[buffer(0)]], bool _frontFacing [[front_facing]], float4 _fragCoord [[position]]) { 15 Outputs _out; 16 (void)_out; 17 float4 _0_result = _uniforms.src + (1.0 - _uniforms.src.w) * _uniforms.dst; 18 _0_result.xyz = max(_0_result.xyz, (1.0 - _uniforms.dst.w) * _uniforms.src.xyz + _uniforms.dst.xyz); 19 _out.sk_FragColor = _0_result; 20 return _out; 21} 22