#version 310 es
precision mediump float;

layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
void unused_entry_point() {
  return;
}

void main() {
  unused_entry_point();
}

struct Buffer {
  uint data;
};

layout(binding = 0) buffer Buffer_1 {
  uint data;
} tint_symbol;
void tint_symbol_1() {
  tint_symbol.data = (tint_symbol.data + 1u);
}

