1#version 460
2
3void fn(){
4    uvec3 wgs = gl_WorkGroupSize; // error: fixed workgroup size has not been declared
5}
6
7layout(local_size_x = 64) in; // declare workgroup size
8
9void main(){
10    fn();
11    uvec3 wgs = gl_WorkGroupSize; // valid
12}
13