1#include <metal_stdlib> 2#include <simd/simd.h> 3#ifdef __clang__ 4#pragma clang diagnostic ignored "-Wall" 5#endif 6using namespace metal; 7struct Uniforms { 8 half4 src; 9 half4 dst; 10}; 11struct Inputs { 12}; 13struct Outputs { 14 half4 sk_FragColor [[color(0)]]; 15}; 16fragment Outputs fragmentMain(Inputs _in [[stage_in]], constant Uniforms& _uniforms [[buffer(0)]], bool _frontFacing [[front_facing]], float4 _fragCoord [[position]]) { 17 Outputs _out; 18 (void)_out; 19 half4 _0_a = _uniforms.src + (1.0h - _uniforms.src.w) * _uniforms.dst; 20 half3 _1_b = (1.0h - _uniforms.dst.w) * _uniforms.src.xyz + _uniforms.dst.xyz; 21 _0_a.xyz = min(_0_a.xyz, _1_b); 22 _out.sk_FragColor = _0_a; 23 return _out; 24} 25