#include <metal_stdlib>

using namespace metal;
struct buf0 {
  /* 0x0000 */ int zero;
};
struct tint_array_wrapper {
  int arr[1];
};
struct main_out {
  float4 x_GLF_color_1;
};
struct tint_symbol_1 {
  float4 x_GLF_color_1 [[color(0)]];
};

void main_1(constant buf0& x_5, thread float4* const tint_symbol_4) {
  tint_array_wrapper x_9 = {};
  int x_10_phi = 0;
  tint_array_wrapper const x_33 = x_9;
  int const x_6 = x_33.arr[0u];
  while (true) {
    *(tint_symbol_4) = float4(0.0f, 0.0f, 0.0f, 0.0f);
    int const x_7 = x_5.zero;
    int const x_8 = x_9.arr[x_7];
    if ((x_8 == x_6)) {
      x_10_phi = 1;
      break;
    }
    x_10_phi = 2;
    break;
  }
  int const x_10 = x_10_phi;
  if (((x_10 == 1) || (x_10 == 2))) {
    *(tint_symbol_4) = float4(1.0f, 0.0f, 0.0f, 1.0f);
  } else {
    *(tint_symbol_4) = float4(0.0f, 0.0f, 0.0f, 0.0f);
  }
  return;
}

fragment tint_symbol_1 tint_symbol(constant buf0& x_5 [[buffer(0)]]) {
  thread float4 tint_symbol_5 = 0.0f;
  main_1(x_5, &(tint_symbol_5));
  main_out const tint_symbol_2 = {.x_GLF_color_1=tint_symbol_5};
  tint_symbol_1 const tint_symbol_3 = {.x_GLF_color_1=tint_symbol_2.x_GLF_color_1};
  return tint_symbol_3;
}

