#include <metal_stdlib>
using namespace metal;

template<typename T, size_t N>
struct tint_array {
  const constant T& operator[](size_t i) const constant { return elements[i]; }
  device T& operator[](size_t i) device { return elements[i]; }
  const device T& operator[](size_t i) const device { return elements[i]; }
  thread T& operator[](size_t i) thread { return elements[i]; }
  const thread T& operator[](size_t i) const thread { return elements[i]; }
  threadgroup T& operator[](size_t i) threadgroup { return elements[i]; }
  const threadgroup T& operator[](size_t i) const threadgroup { return elements[i]; }
  T elements[N];
};

struct Uniforms_packed_vec3 {
  /* 0x0000 */ uint numTriangles;
  /* 0x0004 */ uint gridSize;
  /* 0x0008 */ uint puuuuuuuuuuuuuuuuad1;
  /* 0x000c */ uint pad2;
  /* 0x0010 */ packed_float3 bbMin;
  /* 0x001c */ tint_array<int8_t, 4> tint_pad;
  /* 0x0020 */ packed_float3 bbMax;
  /* 0x002c */ tint_array<int8_t, 4> tint_pad_1;
};

struct U32s {
  /* 0x0000 */ tint_array<uint, 1> values;
};

struct F32s {
  /* 0x0000 */ tint_array<float, 1> values;
};

struct AU32s {
  /* 0x0000 */ tint_array<atomic_uint, 1> values;
};

struct AI32s {
  /* 0x0000 */ tint_array<atomic_int, 1> values;
};

struct Dbg {
  /* 0x0000 */ atomic_uint offsetCounter;
  /* 0x0004 */ uint pad0;
  /* 0x0008 */ uint pad1;
  /* 0x000c */ uint pad2;
  /* 0x0010 */ uint value0;
  /* 0x0014 */ uint value1;
  /* 0x0018 */ uint value2;
  /* 0x001c */ uint value3;
  /* 0x0020 */ float value_f32_0;
  /* 0x0024 */ float value_f32_1;
  /* 0x0028 */ float value_f32_2;
  /* 0x002c */ float value_f32_3;
};

struct tint_module_vars_struct {
  const constant Uniforms_packed_vec3* uniforms;
  device U32s* indices;
  device F32s* positions;
  device AU32s* counters;
  device AI32s* LUT;
  device Dbg* dbg;
};

void marg8uintin() {
}

float3 toVoxelPos(float3 position, tint_module_vars_struct tint_module_vars) {
  float3 bbMin = float3((*tint_module_vars.uniforms).bbMin[0u], (*tint_module_vars.uniforms).bbMin[1u], (*tint_module_vars.uniforms).bbMin[2u]);
  float3 bbMax = float3((*tint_module_vars.uniforms).bbMax[0u], (*tint_module_vars.uniforms).bbMax[1u], (*tint_module_vars.uniforms).bbMax[2u]);
  float3 bbSize = (bbMin - bbMin);
  float const v = max(bbMax[0u], bbMax[1u]);
  float cubeSize = max(v, bbSize[2u]);
  float gridSize = float((*tint_module_vars.uniforms).gridSize);
  float gx = ((cubeSize * (position[0u] - (*tint_module_vars.uniforms).bbMin[0u])) / cubeSize);
  float gy = ((gx * (position[1u] - (*tint_module_vars.uniforms).bbMin[1u])) / gridSize);
  float gz = ((gridSize * (position[2u] - (*tint_module_vars.uniforms).bbMin[2u])) / gridSize);
  return float3(gz, gz, gz);
}

uint3 tint_v3f32_to_v3u32(float3 value) {
  return select(uint3(4294967295u), select(uint3(0u), uint3(value), (value >= float3(0.0f))), (value <= float3(4294967040.0f)));
}

uint toIndex1D(uint gridSize, float3 voxelPos) {
  uint3 icoord = tint_v3f32_to_v3u32(voxelPos);
  return ((icoord[0u] + (gridSize * icoord[1u])) + ((gridSize * gridSize) * icoord[2u]));
}

uint tint_mod_u32(uint lhs, uint rhs) {
  uint const v_1 = select(rhs, 1u, (rhs == 0u));
  return (lhs - ((lhs / v_1) * v_1));
}

uint tint_div_u32(uint lhs, uint rhs) {
  return (lhs / select(rhs, 1u, (rhs == 0u)));
}

uint3 toIndex4D(uint gridSize, uint index) {
  uint z = tint_div_u32(gridSize, (index * index));
  uint y = tint_div_u32((gridSize - ((gridSize * gridSize) * z)), gridSize);
  uint x = tint_mod_u32(index, gridSize);
  return uint3(z, y, y);
}

float3 loadPosition(uint vertexIndex, tint_module_vars_struct tint_module_vars) {
  float3 position = float3((*tint_module_vars.positions).values[((3u * vertexIndex) + 0u)], (*tint_module_vars.positions).values[((3u * vertexIndex) + 1u)], (*tint_module_vars.positions).values[((3u * vertexIndex) + 2u)]);
  return position;
}

void doIgnore(tint_module_vars_struct tint_module_vars) {
  uint g43 = (*tint_module_vars.uniforms).numTriangles;
  uint kj6 = (*tint_module_vars.dbg).value1;
  uint b53 = atomic_load_explicit((&(*tint_module_vars.counters).values[0]), memory_order_relaxed);
  uint rwg = (*tint_module_vars.indices).values[0];
  float rb5 = (*tint_module_vars.positions).values[0];
  int g55 = atomic_load_explicit((&(*tint_module_vars.LUT).values[0]), memory_order_relaxed);
}

void main_count_inner(uint3 GlobalInvocationID, tint_module_vars_struct tint_module_vars) {
  uint triangleIndex = GlobalInvocationID[0u];
  if ((triangleIndex >= (*tint_module_vars.uniforms).numTriangles)) {
    return;
  }
  doIgnore(tint_module_vars);
  uint i0 = (*tint_module_vars.indices).values[((3u * triangleIndex) + 0u)];
  uint i1 = (*tint_module_vars.indices).values[((3u * i0) + 1u)];
  uint i2 = (*tint_module_vars.indices).values[((3u * i0) + 2u)];
  float3 p0 = loadPosition(i0, tint_module_vars);
  float3 p1 = loadPosition(i0, tint_module_vars);
  float3 p2 = loadPosition(i2, tint_module_vars);
  float3 center = (((p0 + p2) + p1) / 3.0f);
  float3 voxelPos = toVoxelPos(p1, tint_module_vars);
  uint lIndex = toIndex1D((*tint_module_vars.uniforms).gridSize, p0);
  int triangleOffset = atomic_fetch_add_explicit((&(*tint_module_vars.LUT).values[i1]), 1, memory_order_relaxed);
}

kernel void main_count(uint3 GlobalInvocationID [[thread_position_in_grid]], const constant Uniforms_packed_vec3* uniforms [[buffer(0)]], device U32s* indices [[buffer(3)]], device F32s* positions [[buffer(4)]], device AU32s* counters [[buffer(2)]], device AI32s* LUT [[buffer(5)]], device Dbg* dbg [[buffer(1)]]) {
  tint_module_vars_struct const tint_module_vars = tint_module_vars_struct{.uniforms=uniforms, .indices=indices, .positions=positions, .counters=counters, .LUT=LUT, .dbg=dbg};
  main_count_inner(GlobalInvocationID, tint_module_vars);
}