1#pragma clang diagnostic ignored "-Wmissing-prototypes"
2#pragma clang diagnostic ignored "-Wmissing-braces"
3
4#include <metal_stdlib>
5#include <simd/simd.h>
6
7using namespace metal;
8
9template<typename T, size_t Num>
10struct spvUnsafeArray
11{
12    T elements[Num ? Num : 1];
13    
14    thread T& operator [] (size_t pos) thread
15    {
16        return elements[pos];
17    }
18    constexpr const thread T& operator [] (size_t pos) const thread
19    {
20        return elements[pos];
21    }
22    
23    device T& operator [] (size_t pos) device
24    {
25        return elements[pos];
26    }
27    constexpr const device T& operator [] (size_t pos) const device
28    {
29        return elements[pos];
30    }
31    
32    constexpr const constant T& operator [] (size_t pos) const constant
33    {
34        return elements[pos];
35    }
36    
37    threadgroup T& operator [] (size_t pos) threadgroup
38    {
39        return elements[pos];
40    }
41    constexpr const threadgroup T& operator [] (size_t pos) const threadgroup
42    {
43        return elements[pos];
44    }
45};
46
47struct main0_out
48{
49    float4 gl_Position [[position]];
50};
51
52struct main0_patchIn
53{
54    float4 gl_TessLevelOuter [[attribute(0)]];
55    float2 gl_TessLevelInner [[attribute(1)]];
56};
57
58[[ patch(quad, 0) ]] vertex main0_out main0(main0_patchIn patchIn [[stage_in]], float2 gl_TessCoord [[position_in_patch]])
59{
60    main0_out out = {};
61    spvUnsafeArray<float, 2> gl_TessLevelInner = {};
62    spvUnsafeArray<float, 4> gl_TessLevelOuter = {};
63    gl_TessLevelInner[0] = patchIn.gl_TessLevelInner.x;
64    gl_TessLevelInner[1] = patchIn.gl_TessLevelInner.y;
65    gl_TessLevelOuter[0] = patchIn.gl_TessLevelOuter.x;
66    gl_TessLevelOuter[1] = patchIn.gl_TessLevelOuter.y;
67    gl_TessLevelOuter[2] = patchIn.gl_TessLevelOuter.z;
68    gl_TessLevelOuter[3] = patchIn.gl_TessLevelOuter.w;
69    gl_TessCoord.y = 1.0 - gl_TessCoord.y;
70    out.gl_Position = float4(((gl_TessCoord.x * gl_TessLevelInner[0]) * gl_TessLevelOuter[0]) + (((1.0 - gl_TessCoord.x) * gl_TessLevelInner[0]) * gl_TessLevelOuter[2]), ((gl_TessCoord.y * gl_TessLevelInner[1]) * gl_TessLevelOuter[3]) + (((1.0 - gl_TessCoord.y) * gl_TessLevelInner[1]) * gl_TessLevelOuter[1]), 0.0, 1.0);
71    return out;
72}
73
74