xref: /aosp_15_r20/external/skia/tests/sksl/shared/Control.metal (revision c8dee2aa9b3f27cf6c858bd81872bdeb2c07ed17)
1#include <metal_stdlib>
2#include <simd/simd.h>
3#ifdef __clang__
4#pragma clang diagnostic ignored "-Wall"
5#endif
6using namespace metal;
7struct Uniforms {
8    float unknownInput;
9};
10struct Inputs {
11};
12struct Outputs {
13    half4 sk_FragColor [[color(0)]];
14};
15fragment Outputs fragmentMain(Inputs _in [[stage_in]], constant Uniforms& _uniforms [[buffer(0)]], bool _frontFacing [[front_facing]], float4 _fragCoord [[position]]) {
16    Outputs _out;
17    (void)_out;
18    if (_uniforms.unknownInput > 5.0) {
19        _out.sk_FragColor = half4(0.75h);
20    } else {
21        discard_fragment();
22    }
23    int i = 0;
24    while (i < 10) {
25        _out.sk_FragColor *= 0.5h;
26        i++;
27    }
28    do {
29        _out.sk_FragColor += 0.25h;
30    } while (_out.sk_FragColor.x < 0.75h);
31    for (int i = 0;i < 10; i++) {
32        if (i % 2 == 1) break; else if (i > 100) return _out; else continue;
33    }
34    return _out;
35}
36