test/tint/bug/fxc/indexed_assign_to_array_in_struct/1206.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_f32_array_element {
  /* 0x0000 */ packed_float3 elements;
  /* 0x000c */ tint_array<int8_t, 4> tint_pad;
};

struct Particle_tint_packed_vec3 {
  /* 0x0000 */ tint_array<tint_packed_vec3_f32_array_element, 8> position;
  /* 0x0080 */ float lifetime;
  /* 0x0084 */ tint_array<int8_t, 12> tint_pad_1;
  /* 0x0090 */ float4 color;
  /* 0x00a0 */ packed_float3 velocity;
  /* 0x00ac */ tint_array<int8_t, 4> tint_pad_2;
};

struct Particles_tint_packed_vec3 {
  /* 0x0000 */ tint_array<Particle_tint_packed_vec3, 1> p;
};

tint_array<float3, 8> tint_unpack_vec3_in_composite(tint_array<tint_packed_vec3_f32_array_element, 8> in) {
  tint_array<float3, 8> result = {};
  for(uint i = 0u; (i < 8u); i = (i + 1u)) {
    result[i] = float3(in[i].elements);
  }
  return result;
}

struct Particle {
  tint_array<float3, 8> position;
  float lifetime;
  float4 color;
  float3 velocity;
};

Particle tint_unpack_vec3_in_composite_1(Particle_tint_packed_vec3 in) {
  Particle result = {};
  result.position = tint_unpack_vec3_in_composite(in.position);
  result.lifetime = in.lifetime;
  result.color = in.color;
  result.velocity = float3(in.velocity);
  return result;
}

struct Simulation {
  /* 0x0000 */ uint i;
};

struct Particles {
  tint_array<Particle, 1> p;
};

kernel void tint_symbol(const device Particles_tint_packed_vec3* tint_symbol_1 [[buffer(1)]], const constant Simulation* tint_symbol_2 [[buffer(0)]]) {
  Particle particle = tint_unpack_vec3_in_composite_1((*(tint_symbol_1)).p[0]);
  particle.position[(*(tint_symbol_2)).i] = particle.position[(*(tint_symbol_2)).i];
  return;
}