#include <metal_stdlib>

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

int func_i1_(constant buf0& x_7, thread int* const x) {
  int const x_35 = x_7.one;
  if ((x_35 == 1)) {
    int const x_39 = *(x);
    return x_39;
  }
  int const x_41 = x_7.one;
  return x_41;
}

void main_1(constant buf0& x_7, thread float4* const tint_symbol_4) {
  int param = 0;
  param = -1;
  int const x_28 = func_i1_(x_7, &(param));
  if ((x_28 <= 0)) {
    *(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_7 [[buffer(0)]]) {
  thread float4 tint_symbol_5 = 0.0f;
  main_1(x_7, &(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;
}

