33 lines
868 B
Metal
33 lines
868 B
Metal
#include <metal_stdlib>
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#include <simd/simd.h>
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using namespace metal;
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struct Uniforms {
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half4 colorGreen;
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half4 colorRed;
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};
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struct Inputs {
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};
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struct Outputs {
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half4 sk_FragColor [[color(0)]];
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};
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half4 unpremul_h4h4(half4 color) {
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return half4(color.xyz / max(color.w, 9.9999997473787516e-05h), color.w);
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}
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half4 live_fn_h4h4h4(half4 a, half4 b) {
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return a + b;
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}
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fragment Outputs fragmentMain(Inputs _in [[stage_in]], constant Uniforms& _uniforms [[buffer(0)]], bool _frontFacing [[front_facing]], float4 _fragCoord [[position]]) {
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Outputs _out;
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(void)_out;
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half4 a;
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half4 b;
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{
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a = live_fn_h4h4h4(half4(3.0h), half4(-5.0h));
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}
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{
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b = unpremul_h4h4(half4(1.0h));
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}
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_out.sk_FragColor = any(a != half4(0.0h)) && any(b != half4(0.0h)) ? _uniforms.colorGreen : _uniforms.colorRed;
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return _out;
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}
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