#version 460

layout(binding = 0, rg32ui) uniform highp writeonly uimage2DArray arg_0;
void textureStore_dde364() {
  ivec2 arg_1 = ivec2(1);
  int arg_2 = 1;
  uvec4 arg_3 = uvec4(1u);
  imageStore(arg_0, ivec3(arg_1, arg_2), arg_3);
}

void fragment_main() {
  textureStore_dde364();
}

void main() {
  fragment_main();
  return;
}
#version 460

layout(binding = 0, rg32ui) uniform highp writeonly uimage2DArray arg_0;
void textureStore_dde364() {
  ivec2 arg_1 = ivec2(1);
  int arg_2 = 1;
  uvec4 arg_3 = uvec4(1u);
  imageStore(arg_0, ivec3(arg_1, arg_2), arg_3);
}

void compute_main() {
  textureStore_dde364();
}

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