SPIRV-Cross/reference/shaders-msl-no-opt/comp/subgroups.nocompat.invalid.vk.msl21.ios.comp

#pragma clang diagnostic ignored "-Wmissing-prototypes"

#include <metal_stdlib>
#include <simd/simd.h>

using namespace metal;

struct SSBO
{
    float FragColor;
};

constant uint3 gl_WorkGroupSize [[maybe_unused]] = uint3(1u);

template<typename T>
inline T spvSubgroupShuffle(T value, ushort lane)
{
    return quad_shuffle(value, lane);
}

template<>
inline bool spvSubgroupShuffle(bool value, ushort lane)
{
    return !!quad_shuffle((ushort)value, lane);
}

template<uint N>
inline vec<bool, N> spvSubgroupShuffle(vec<bool, N> value, ushort lane)
{
    return (vec<bool, N>)quad_shuffle((vec<ushort, N>)value, lane);
}

template<typename T>
inline T spvSubgroupShuffleXor(T value, ushort mask)
{
    return quad_shuffle_xor(value, mask);
}

template<>
inline bool spvSubgroupShuffleXor(bool value, ushort mask)
{
    return !!quad_shuffle_xor((ushort)value, mask);
}

template<uint N>
inline vec<bool, N> spvSubgroupShuffleXor(vec<bool, N> value, ushort mask)
{
    return (vec<bool, N>)quad_shuffle_xor((vec<ushort, N>)value, mask);
}

template<typename T>
inline T spvSubgroupShuffleUp(T value, ushort delta)
{
    return quad_shuffle_up(value, delta);
}

template<>
inline bool spvSubgroupShuffleUp(bool value, ushort delta)
{
    return !!quad_shuffle_up((ushort)value, delta);
}

template<uint N>
inline vec<bool, N> spvSubgroupShuffleUp(vec<bool, N> value, ushort delta)
{
    return (vec<bool, N>)quad_shuffle_up((vec<ushort, N>)value, delta);
}

template<typename T>
inline T spvSubgroupShuffleDown(T value, ushort delta)
{
    return quad_shuffle_down(value, delta);
}

template<>
inline bool spvSubgroupShuffleDown(bool value, ushort delta)
{
    return !!quad_shuffle_down((ushort)value, delta);
}

template<uint N>
inline vec<bool, N> spvSubgroupShuffleDown(vec<bool, N> value, ushort delta)
{
    return (vec<bool, N>)quad_shuffle_down((vec<ushort, N>)value, delta);
}

template<typename T>
inline T spvQuadBroadcast(T value, uint lane)
{
    return quad_broadcast(value, lane);
}

template<>
inline bool spvQuadBroadcast(bool value, uint lane)
{
    return !!quad_broadcast((ushort)value, lane);
}

template<uint N>
inline vec<bool, N> spvQuadBroadcast(vec<bool, N> value, uint lane)
{
    return (vec<bool, N>)quad_broadcast((vec<ushort, N>)value, lane);
}

template<typename T>
inline T spvQuadSwap(T value, uint dir)
{
    return quad_shuffle_xor(value, dir + 1);
}

template<>
inline bool spvQuadSwap(bool value, uint dir)
{
    return !!quad_shuffle_xor((ushort)value, dir + 1);
}

template<uint N>
inline vec<bool, N> spvQuadSwap(vec<bool, N> value, uint dir)
{
    return (vec<bool, N>)quad_shuffle_xor((vec<ushort, N>)value, dir + 1);
}

kernel void main0(device SSBO& _9 [[buffer(0)]], uint gl_NumSubgroups [[quadgroups_per_threadgroup]], uint gl_SubgroupID [[quadgroup_index_in_threadgroup]], uint gl_SubgroupSize [[thread_execution_width]], uint gl_SubgroupInvocationID [[thread_index_in_quadgroup]])
{
    _9.FragColor = float(gl_NumSubgroups);
    _9.FragColor = float(gl_SubgroupID);
    _9.FragColor = float(gl_SubgroupSize);
    _9.FragColor = float(gl_SubgroupInvocationID);
    simdgroup_barrier(mem_flags::mem_device | mem_flags::mem_threadgroup | mem_flags::mem_texture);
    simdgroup_barrier(mem_flags::mem_device | mem_flags::mem_threadgroup | mem_flags::mem_texture);
    simdgroup_barrier(mem_flags::mem_device);
    simdgroup_barrier(mem_flags::mem_threadgroup);
    simdgroup_barrier(mem_flags::mem_texture);
    uint shuffled = spvSubgroupShuffle(10u, 8u);
    bool shuffled_bool = spvSubgroupShuffle(true, 9u);
    uint shuffled_xor = spvSubgroupShuffleXor(30u, 8u);
    bool shuffled_xor_bool = spvSubgroupShuffleXor(false, 9u);
    uint shuffled_up = spvSubgroupShuffleUp(20u, 4u);
    bool shuffled_up_bool = spvSubgroupShuffleUp(true, 4u);
    uint shuffled_down = spvSubgroupShuffleDown(20u, 4u);
    bool shuffled_down_bool = spvSubgroupShuffleDown(false, 4u);
    float4 swap_horiz = spvQuadSwap(float4(20.0), 0u);
    bool4 swap_horiz_bool = spvQuadSwap(bool4(true), 0u);
    float4 swap_vertical = spvQuadSwap(float4(20.0), 1u);
    bool4 swap_vertical_bool = spvQuadSwap(bool4(true), 1u);
    float4 swap_diagonal = spvQuadSwap(float4(20.0), 2u);
    bool4 swap_diagonal_bool = spvQuadSwap(bool4(true), 2u);
    float4 quad_broadcast0 = spvQuadBroadcast(float4(20.0), 3u);
    bool4 quad_broadcast_bool = spvQuadBroadcast(bool4(true), 3u);
}