#pragma clang diagnostic ignored "-Wmissing-braces"
#pragma clang diagnostic ignored "-Wunused-variable"

#include <metal_stdlib>
#include <simd/simd.h>
	
template <typename T, size_t Num>
struct unsafe_array
{
	T __Elements[Num ? Num : 1];
	
	constexpr size_t size() const thread { return Num; }
	constexpr size_t max_size() const thread { return Num; }
	constexpr bool empty() const thread { return Num == 0; }
	
	constexpr size_t size() const device { return Num; }
	constexpr size_t max_size() const device { return Num; }
	constexpr bool empty() const device { return Num == 0; }
	
	constexpr size_t size() const constant { return Num; }
	constexpr size_t max_size() const constant { return Num; }
	constexpr bool empty() const constant { return Num == 0; }
	
	constexpr size_t size() const threadgroup { return Num; }
	constexpr size_t max_size() const threadgroup { return Num; }
	constexpr bool empty() const threadgroup { return Num == 0; }
	
	thread T &operator[](size_t pos) thread
	{
		return __Elements[pos];
	}
	constexpr const thread T &operator[](size_t pos) const thread
	{
		return __Elements[pos];
	}
	
	device T &operator[](size_t pos) device
	{
		return __Elements[pos];
	}
	constexpr const device T &operator[](size_t pos) const device
	{
		return __Elements[pos];
	}
	
	constexpr const constant T &operator[](size_t pos) const constant
	{
		return __Elements[pos];
	}
	
	threadgroup T &operator[](size_t pos) threadgroup
	{
		return __Elements[pos];
	}
	constexpr const threadgroup T &operator[](size_t pos) const threadgroup
	{
		return __Elements[pos];
	}
};

using namespace metal;

struct TessLevels
{
    float inner0;
    float inner1;
    float outer0;
    float outer1;
    float outer2;
    float outer3;
};

kernel void main0(const device TessLevels& sb_levels [[buffer(0)]], uint gl_InvocationID [[thread_index_in_threadgroup]], uint gl_PrimitiveID [[threadgroup_position_in_grid]], constant uint* spvIndirectParams [[buffer(29)]], device MTLTriangleTessellationFactorsHalf* spvTessLevel [[buffer(26)]])
{
    spvTessLevel[gl_PrimitiveID].insideTessellationFactor = half(sb_levels.inner0);
    spvTessLevel[gl_PrimitiveID].edgeTessellationFactor[0] = half(sb_levels.outer0);
    spvTessLevel[gl_PrimitiveID].edgeTessellationFactor[1] = half(sb_levels.outer1);
    spvTessLevel[gl_PrimitiveID].edgeTessellationFactor[2] = half(sb_levels.outer2);
}