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 colorGreen; 9 half4 colorRed; 10}; 11struct Inputs { 12}; 13struct Outputs { 14 half4 sk_FragColor [[color(0)]]; 15}; 16half4 unpremul_h4h4(half4 color); 17half4 unpremul_h4h4(half4 color) { 18 return half4(color.xyz / max(color.w, 0.0001h), color.w); 19} 20half4 live_fn_h4h4h4(half4 a, half4 b) { 21 return a + b; 22} 23fragment Outputs fragmentMain(Inputs _in [[stage_in]], constant Uniforms& _uniforms [[buffer(0)]], bool _frontFacing [[front_facing]], float4 _fragCoord [[position]]) { 24 Outputs _out; 25 (void)_out; 26 half4 a; 27 half4 b; 28 { 29 a = live_fn_h4h4h4(half4(3.0h), half4(-5.0h)); 30 } 31 { 32 b = unpremul_h4h4(half4(1.0h)); 33 } 34 _out.sk_FragColor = any(a != half4(0.0h)) && any(b != half4(0.0h)) ? _uniforms.colorGreen : _uniforms.colorRed; 35 return _out; 36} 37