xref: /aosp_15_r20/external/skia/tests/sksl/shared/ConstantCompositeAccessViaConstantIndex.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;
7constant const array<half, 5> globalArray = array<half, 5>{1.0h, 1.0h, 1.0h, 1.0h, 1.0h};
8constant const half2 globalVector = half2(1.0h);
9constant const half2x2 globalMatrix = half2x2(half2(1.0h, 1.0h), half2(1.0h, 1.0h));
10struct Uniforms {
11    half4 colorRed;
12    half2x2 testMatrix2x2;
13    array<half, 5> testArray;
14};
15struct Inputs {
16};
17struct Outputs {
18    half4 sk_FragColor [[color(0)]];
19};
20
21template <typename T1, typename T2>
22bool operator==(const array_ref<T1> left, const array_ref<T2> right);
23template <typename T1, typename T2>
24bool operator!=(const array_ref<T1> left, const array_ref<T2> right);
25
26thread bool operator==(const half2x2 left, const half2x2 right);
27thread bool operator!=(const half2x2 left, const half2x2 right);
28
29template <typename T1, typename T2>
30bool operator==(const array_ref<T1> left, const array_ref<T2> right) {
31    if (left.size() != right.size()) {
32        return false;
33    }
34    for (size_t index = 0; index < left.size(); ++index) {
35        if (!all(left[index] == right[index])) {
36            return false;
37        }
38    }
39    return true;
40}
41
42template <typename T1, typename T2>
43bool operator!=(const array_ref<T1> left, const array_ref<T2> right) {
44    return !(left == right);
45}
46thread bool operator==(const half2x2 left, const half2x2 right) {
47    return all(left[0] == right[0]) &&
48           all(left[1] == right[1]);
49}
50thread bool operator!=(const half2x2 left, const half2x2 right) {
51    return !(left == right);
52}
53fragment Outputs fragmentMain(Inputs _in [[stage_in]], constant Uniforms& _uniforms [[buffer(0)]], bool _frontFacing [[front_facing]], float4 _fragCoord [[position]]) {
54    Outputs _out;
55    (void)_out;
56    const array<half, 5> localArray = array<half, 5>{0.0h, 1.0h, 2.0h, 3.0h, 4.0h};
57    const half2 localVector = half2(1.0h);
58    const half2x2 localMatrix = half2x2(half2(0.0h, 1.0h), half2(2.0h, 3.0h));
59    if (((((make_array_ref(globalArray) == make_array_ref(_uniforms.testArray) || all(globalVector == _uniforms.colorRed.xy)) || globalMatrix == _uniforms.testMatrix2x2) || make_array_ref(localArray) == make_array_ref(_uniforms.testArray)) || all(localVector == _uniforms.colorRed.xy)) || localMatrix == _uniforms.testMatrix2x2) {
60        _out.sk_FragColor = _uniforms.colorRed;
61        return _out;
62    }
63    _out.sk_FragColor = half4(0.0h, 1.0h, 0.0h, 1.0h);
64    return _out;
65}
66