23 lines
1.1 KiB
Metal
23 lines
1.1 KiB
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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float4 testMatrix2x2;
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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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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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float4 inputVal = _uniforms.testMatrix2x2 + float4(2.0, -2.0, 1.0, 8.0);
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float4 expected = float4(3.0, 3.0, 5.0, 13.0);
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const float allowedDelta = 0.05;
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_out.sk_FragColor = ((((((abs(abs(inputVal.x) - expected.x) < allowedDelta && abs(length(inputVal.xy) - expected.y) < allowedDelta) && abs(length(inputVal.xyz) - expected.z) < allowedDelta) && abs(length(inputVal) - expected.w) < allowedDelta) && abs(3.0 - expected.x) < allowedDelta) && abs(3.0 - expected.y) < allowedDelta) && abs(5.0 - expected.z) < allowedDelta) && abs(13.0 - expected.w) < allowedDelta ? _uniforms.colorGreen : _uniforms.colorRed;
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return _out;
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}
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