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1#pragma clang diagnostic ignored "-Wmissing-prototypes"
2#pragma clang diagnostic ignored "-Wmissing-braces"
3#pragma clang diagnostic ignored "-Wunused-variable"
4
5#include <metal_stdlib>
6#include <simd/simd.h>
7#include <metal_atomic>
8
9using namespace metal;
10
11template<typename T, size_t Num>
12struct spvUnsafeArray
13{
14    T elements[Num ? Num : 1];
15
16    thread T& operator [] (size_t pos) thread
17    {
18        return elements[pos];
19    }
20    constexpr const thread T& operator [] (size_t pos) const thread
21    {
22        return elements[pos];
23    }
24
25    device T& operator [] (size_t pos) device
26    {
27        return elements[pos];
28    }
29    constexpr const device T& operator [] (size_t pos) const device
30    {
31        return elements[pos];
32    }
33
34    constexpr const constant T& operator [] (size_t pos) const constant
35    {
36        return elements[pos];
37    }
38
39    threadgroup T& operator [] (size_t pos) threadgroup
40    {
41        return elements[pos];
42    }
43    constexpr const threadgroup T& operator [] (size_t pos) const threadgroup
44    {
45        return elements[pos];
46    }
47};
48
49struct type_StructuredBuffer_v4float
50{
51    spvUnsafeArray<float4, 1> _m0;
52};
53
54struct type_Globals
55{
56    uint2 ShadowTileListGroupSize;
57};
58
59constant float3 _70 = {};
60
61struct main0_out
62{
63    float4 out_var_SV_Target0 [[color(0)]];
64};
65
66struct main0_in
67{
68    uint in_var_TEXCOORD0 [[user(locn0)]];
69};
70
71fragment main0_out main0(main0_in in [[stage_in]], const device type_StructuredBuffer_v4float& CulledObjectBoxBounds [[buffer(0)]], constant type_Globals& _Globals [[buffer(1)]], texture2d<uint> RWShadowTileNumCulledObjects [[texture(2)]], device atomic_uint* RWShadowTileNumCulledObjects_atomic [[buffer(2)]], float4 gl_FragCoord [[position]])
72{
73    main0_out out = {};
74    uint2 _77 = uint2(gl_FragCoord.xy);
75    uint _78 = _77.y;
76    uint _83 = _77.x;
77    float2 _91 = float2(float(_83), float((_Globals.ShadowTileListGroupSize.y - 1u) - _78));
78    float2 _93 = float2(_Globals.ShadowTileListGroupSize);
79    float2 _96 = ((_91 / _93) * float2(2.0)) - float2(1.0);
80    float2 _100 = (((_91 + float2(1.0)) / _93) * float2(2.0)) - float2(1.0);
81    float3 _102 = float3(_100.x, _100.y, _70.z);
82    _102.z = 1.0;
83    uint _103 = in.in_var_TEXCOORD0 * 5u;
84    uint _107 = _103 + 1u;
85    if (all(CulledObjectBoxBounds._m0[_107].xy > _96.xy) && all(CulledObjectBoxBounds._m0[_103].xyz < _102))
86    {
87        float _122 = _96.x;
88        float _123 = _96.y;
89        spvUnsafeArray<float3, 8> _73;
90        _73[0] = float3(_122, _123, -1000.0);
91        float _126 = _100.x;
92        _73[1] = float3(_126, _123, -1000.0);
93        float _129 = _100.y;
94        _73[2] = float3(_122, _129, -1000.0);
95        _73[3] = float3(_126, _129, -1000.0);
96        _73[4] = float3(_122, _123, 1.0);
97        _73[5] = float3(_126, _123, 1.0);
98        _73[6] = float3(_122, _129, 1.0);
99        _73[7] = float3(_126, _129, 1.0);
100        float3 _155;
101        float3 _158;
102        _155 = float3(-500000.0);
103        _158 = float3(500000.0);
104        for (int _160 = 0; _160 < 8; )
105        {
106            float3 _166 = _73[_160] - (float3(0.5) * (CulledObjectBoxBounds._m0[_103].xyz + CulledObjectBoxBounds._m0[_107].xyz));
107            float3 _170 = float3(dot(_166, CulledObjectBoxBounds._m0[_103 + 2u].xyz), dot(_166, CulledObjectBoxBounds._m0[_103 + 3u].xyz), dot(_166, CulledObjectBoxBounds._m0[_103 + 4u].xyz));
108            _155 = fast::max(_155, _170);
109            _158 = fast::min(_158, _170);
110            _160++;
111            continue;
112        }
113        if (all(_158 < float3(1.0)) && all(_155 > float3(-1.0)))
114        {
115            uint _179 = atomic_fetch_add_explicit((device atomic_uint*)&RWShadowTileNumCulledObjects_atomic[(_78 * _Globals.ShadowTileListGroupSize.x) + _83], 1u, memory_order_relaxed);
116        }
117    }
118    out.out_var_SV_Target0 = float4(0.0);
119    return out;
120}
121
122