xref: /aosp_15_r20/external/skia/tests/sksl/shared/IfStatement.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    half4 colorWhite;
9};
10struct Inputs {
11};
12struct Outputs {
13    half4 sk_FragColor [[color(0)]];
14};
15half4 ifElseTest_h4h4h4h4(Uniforms _uniforms, half4 colorBlue, half4 colorGreen, half4 colorRed) {
16    half4 result = half4(0.0h);
17    if (any(_uniforms.colorWhite != colorBlue)) {
18        if (all(colorGreen == colorRed)) {
19            result = colorRed;
20        } else {
21            result = colorGreen;
22        }
23    } else {
24        if (any(colorRed != colorGreen)) {
25            result = colorBlue;
26        } else {
27            result = _uniforms.colorWhite;
28        }
29    }
30    if (all(colorRed == colorBlue)) {
31        return _uniforms.colorWhite;
32    }
33    if (any(colorRed != colorGreen)) {
34        return result;
35    }
36    if (all(colorRed == _uniforms.colorWhite)) {
37        return colorBlue;
38    }
39    return colorRed;
40}
41fragment Outputs fragmentMain(Inputs _in [[stage_in]], constant Uniforms& _uniforms [[buffer(0)]], bool _frontFacing [[front_facing]], float4 _fragCoord [[position]]) {
42    Outputs _out;
43    (void)_out;
44    _out.sk_FragColor = ifElseTest_h4h4h4h4(_uniforms, half4(0.0h, 0.0h, _uniforms.colorWhite.z, 1.0h), half4(0.0h, _uniforms.colorWhite.y, 0.0h, 1.0h), half4(_uniforms.colorWhite.x, 0.0h, 0.0h, 1.0h));
45    return _out;
46}
47