45 lines
1.6 KiB
Metal
45 lines
1.6 KiB
Metal
#include <metal_stdlib>
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#include <simd/simd.h>
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using namespace metal;
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constant const int kConstant = 0;
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constant const int kOtherConstant = 1;
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constant const int kAnotherConstant = 2;
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constant const float kFloatConstant = 2.14;
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constant const float kFloatConstantAlias = kFloatConstant;
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constant const half4 kConstVec = half4(1.0h, 0.2h, 2.14h, 1.0h);
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struct Uniforms {
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half4 colorGreen;
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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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const float kLocalFloatConstant = 3.14;
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const float kLocalFloatConstantAlias = kLocalFloatConstant;
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int integerInput = int(_uniforms.colorGreen.y);
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if (integerInput == kConstant) {
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_out.sk_FragColor = half4(2.14h);
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return _out;
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} else if (integerInput == kOtherConstant) {
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_out.sk_FragColor = _uniforms.colorGreen;
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return _out;
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} else if (integerInput == kAnotherConstant) {
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_out.sk_FragColor = kConstVec;
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return _out;
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} else if (kLocalFloatConstantAlias < float(_uniforms.colorGreen.x) * kLocalFloatConstant) {
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_out.sk_FragColor = half4(3.14h);
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return _out;
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} else if (kFloatConstantAlias >= float(_uniforms.colorGreen.x) * kFloatConstantAlias) {
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_out.sk_FragColor = half4(0.0h);
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return _out;
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} else {
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_out.sk_FragColor = half4(1.0h, 0.0h, 0.0h, 1.0h);
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return _out;
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}
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return _out;
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}
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