1#include <metal_stdlib> 2#include <simd/simd.h> 3using namespace metal; 4struct Uniforms { 5 half4 src; 6 half4 dst; 7}; 8struct Inputs { 9}; 10struct Outputs { 11 half4 sk_FragColor [[color(0)]]; 12}; 13fragment Outputs fragmentMain(Inputs _in [[stage_in]], constant Uniforms& _uniforms [[buffer(0)]], bool _frontFacing [[front_facing]], float4 _fragCoord [[position]]) { 14 Outputs _out; 15 (void)_out; 16 _out.sk_FragColor = (1.0h - _uniforms.dst.w) * _uniforms.src + (1.0h - _uniforms.src.w) * _uniforms.dst; 17 return _out; 18} 19