#version 310 es
precision highp float;

layout(location = 0) flat in int loc0_1;
layout(location = 1) flat in uint loc1_1;
layout(location = 2) in float loc2_1;
layout(location = 3) in vec4 loc3_1;
void tint_symbol(int loc0, uint loc1, float loc2, vec4 loc3) {
  int i = loc0;
  uint u = loc1;
  float f = loc2;
  vec4 v = loc3;
}

void main() {
  tint_symbol(loc0_1, loc1_1, loc2_1, loc3_1);
  return;
}
