#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 tint_packed_vec3_f16_array_element {
  /* 0x0000 */ packed_half3 elements;
  /* 0x0006 */ tint_array<int8_t, 2> tint_pad;
};

half4x3 tint_unpack_vec3_in_composite(tint_array<tint_packed_vec3_f16_array_element, 4> in) {
  half4x3 result = half4x3(0.0h);
  for(uint i = 0u; (i < 4u); i = (i + 1u)) {
    result[i] = half3(in[i].elements);
  }
  return result;
}

void assign_and_preserve_padding(device tint_array<tint_packed_vec3_f16_array_element, 4>* const dest, half4x3 value) {
  (*(dest))[0u].elements = packed_half3(value[0u]);
  (*(dest))[1u].elements = packed_half3(value[1u]);
  (*(dest))[2u].elements = packed_half3(value[2u]);
  (*(dest))[3u].elements = packed_half3(value[3u]);
}

kernel void tint_symbol(device tint_array<tint_packed_vec3_f16_array_element, 4>* tint_symbol_1 [[buffer(0)]], const device tint_array<tint_packed_vec3_f16_array_element, 4>* tint_symbol_2 [[buffer(1)]]) {
  assign_and_preserve_padding(tint_symbol_1, tint_unpack_vec3_in_composite(*(tint_symbol_2)));
  return;
}