SKIP: FAILED

#version 310 es
precision mediump float;

uint tint_pack4x8unorm(vec4 param_0) {
  uint4 i = uint4(round(clamp(param_0, 0.0, 1.0) * 255.0));
  return (i.x | i.y << 8 | i.z << 16 | i.w << 24);
}


struct buf1 {
  uint one;
};

struct tint_padded_array_element {
  int el;
};

struct buf0 {
  tint_padded_array_element x_GLF_uniform_int_values[1];
};

vec4 tint_symbol = vec4(0.0f, 0.0f, 0.0f, 0.0f);
layout(binding = 1) uniform buf1_1 {
  uint one;
} x_8;

vec4 x_GLF_color = vec4(0.0f, 0.0f, 0.0f, 0.0f);
layout(binding = 0) uniform buf0_1 {
  tint_padded_array_element x_GLF_uniform_int_values[1];
} x_10;

float func_() {
  switch(1) {
    case 0: {
      return 1.0f;
      break;
    }
    default: {
      break;
    }
  }
  return 0.0f;
}

void main_1() {
  vec4 v = vec4(0.0f, 0.0f, 0.0f, 0.0f);
  v = vec4(1.0f, 1.0f, 1.0f, 1.0f);
  float x_38 = tint_symbol.y;
  if ((x_38 < 0.0f)) {
    float x_42 = func_();
    v = vec4(x_42, x_42, x_42, x_42);
  }
  if ((tint_pack4x8unorm(v) == 1u)) {
    return;
  }
  uint x_50 = x_8.one;
  if (((1u << x_50) == 2u)) {
    x_GLF_color = vec4(1.0f, 0.0f, 0.0f, 1.0f);
  } else {
    int x_57 = x_10.x_GLF_uniform_int_values[0].el;
    float x_58 = float(x_57);
    x_GLF_color = vec4(x_58, x_58, x_58, x_58);
  }
  return;
}

struct main_out {
  vec4 x_GLF_color_1;
};

struct tint_symbol_4 {
  vec4 tint_symbol_2;
};

struct tint_symbol_5 {
  vec4 x_GLF_color_1;
};

main_out tint_symbol_1_inner(vec4 tint_symbol_2) {
  tint_symbol = tint_symbol_2;
  main_1();
  main_out tint_symbol_6 = main_out(x_GLF_color);
  return tint_symbol_6;
}

tint_symbol_5 tint_symbol_1(tint_symbol_4 tint_symbol_3) {
  main_out inner_result = tint_symbol_1_inner(tint_symbol_3.tint_symbol_2);
  tint_symbol_5 wrapper_result = tint_symbol_5(vec4(0.0f, 0.0f, 0.0f, 0.0f));
  wrapper_result.x_GLF_color_1 = inner_result.x_GLF_color_1;
  return wrapper_result;
}

layout(location = 0) out vec4 x_GLF_color_1;

void main() {
  tint_symbol_4 inputs;
  inputs.tint_symbol_2 = gl_FragCoord;
  tint_symbol_5 outputs;
  outputs = tint_symbol_1(inputs);
  x_GLF_color_1 = outputs.x_GLF_color_1;
}

Error parsing GLSL shader:
ERROR: 0:5: 'uint4' : undeclared identifier 
ERROR: 0:5: '' : compilation terminated 
ERROR: 2 compilation errors.  No code generated.