test/tint/buffer/uniform/std140/array/mat2x3_f16/to_storage.wgsl.expected.msl

#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;
};

half2x3 tint_unpack_vec3_in_composite(tint_array<tint_packed_vec3_f16_array_element, 2> in) {
  half2x3 result = half2x3(0.0h);
  for(uint i = 0u; (i < 2u); i = (i + 1u)) {
    result[i] = half3(in[i].elements);
  }
  return result;
}

tint_array<half2x3, 4> tint_unpack_vec3_in_composite_1(tint_array<tint_array<tint_packed_vec3_f16_array_element, 2>, 4> in) {
  tint_array<half2x3, 4> result = {};
  for(uint i = 0u; (i < 4u); i = (i + 1u)) {
    result[i] = tint_unpack_vec3_in_composite(in[i]);
  }
  return result;
}

void assign_and_preserve_padding_1(device tint_array<tint_packed_vec3_f16_array_element, 2>* const dest, half2x3 value) {
  (*(dest))[0u].elements = packed_half3(value[0u]);
  (*(dest))[1u].elements = packed_half3(value[1u]);
}

void assign_and_preserve_padding(device tint_array<tint_array<tint_packed_vec3_f16_array_element, 2>, 4>* const dest, tint_array<half2x3, 4> value) {
  for(uint i = 0u; (i < 4u); i = (i + 1u)) {
    assign_and_preserve_padding_1(&((*(dest))[i]), value[i]);
  }
}

kernel void f(device tint_array<tint_array<tint_packed_vec3_f16_array_element, 2>, 4>* tint_symbol [[buffer(1)]], const constant tint_array<tint_array<tint_packed_vec3_f16_array_element, 2>, 4>* tint_symbol_1 [[buffer(0)]]) {
  assign_and_preserve_padding(tint_symbol, tint_unpack_vec3_in_composite_1(*(tint_symbol_1)));
  assign_and_preserve_padding_1(&((*(tint_symbol))[1]), tint_unpack_vec3_in_composite((*(tint_symbol_1))[2]));
  (*(tint_symbol))[1][0].elements = packed_half3(half3((*(tint_symbol_1))[0][1].elements).zxy);
  (*(tint_symbol))[1][0].elements[0] = (*(tint_symbol_1))[0][1].elements[0];
  return;
}