639e812d9f
In the majority of cases, a uniform is an equally good substitute, and replacing `sqrt(N)` with `unknownInput` actually makes the test clearer. Change-Id: I7bcb477571972d7aa2ce8c49b3674471f7310748 Bug: skia:12034 Reviewed-on: https://skia-review.googlesource.com/c/skia/+/411306 Auto-Submit: John Stiles <johnstiles@google.com> Commit-Queue: Ethan Nicholas <ethannicholas@google.com> Reviewed-by: Ethan Nicholas <ethannicholas@google.com>
39 lines
1.0 KiB
Metal
39 lines
1.0 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 colorGreen;
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float4 colorRed;
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float unknownInput;
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};
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struct Inputs {
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};
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struct Outputs {
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float4 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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float x = 1.0;
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float y = 2.0;
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int z = 3;
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x = (x - x) + ((y * x) * x) * (y - x);
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y = (x / y) / x;
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z = ((z / 2) * 3 + 4) - 2;
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bool b = x > 4.0 == x < 2.0 || 2.0 >= _uniforms.unknownInput && y <= x;
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bool c = _uniforms.unknownInput > 2.0;
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bool d = b != c;
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bool e = b && c;
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bool f = b || c;
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x += 12.0;
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x -= 12.0;
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x *= (y /= 10.0);
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x = 6.0;
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y = (((float(b) * float(c)) * float(d)) * float(e)) * float(f);
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y = 6.0;
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z = z - 1;
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z = 6;
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_out.sk_FragColor = (x == 6.0 && y == 6.0) && z == 6 ? _uniforms.colorGreen : _uniforms.colorRed;
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return _out;
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}
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