static float4 x_GLF_color = float4(0.0f, 0.0f, 0.0f, 0.0f);

void main_1() {
  int i = 0;
  int j = 0;
  i = 0;
  j = 1;
  while (true) {
    if ((i < clamp(j, 5, 9))) {
    } else {
      break;
    }
    i = (i + 1);
    j = (j + 1);
  }
  bool tint_tmp = (i == 9);
  if (tint_tmp) {
    tint_tmp = (j == 10);
  }
  if ((tint_tmp)) {
    x_GLF_color = float4(1.0f, 0.0f, 0.0f, 1.0f);
  } else {
    x_GLF_color = float4(0.0f, 0.0f, 0.0f, 0.0f);
  }
  return;
}

struct main_out {
  float4 x_GLF_color_1;
};
struct tint_symbol {
  float4 x_GLF_color_1 : SV_Target0;
};

main_out main_inner() {
  main_1();
  const main_out tint_symbol_1 = {x_GLF_color};
  return tint_symbol_1;
}

tint_symbol main() {
  const main_out inner_result = main_inner();
  tint_symbol wrapper_result = (tint_symbol)0;
  wrapper_result.x_GLF_color_1 = inner_result.x_GLF_color_1;
  return wrapper_result;
}
