22 lines
643 B
Metal
22 lines
643 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 src;
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half4 dst;
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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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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 _0_a = _uniforms.src + (1.0h - _uniforms.src.w) * _uniforms.dst;
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half3 _1_b = (1.0h - _uniforms.dst.w) * _uniforms.src.xyz + _uniforms.dst.xyz;
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_0_a.xyz = min(_0_a.xyz, _1_b);
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_out.sk_FragColor = _0_a;
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return _out;
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}
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