|  | #version 310 es | 
|  |  | 
|  | struct S { | 
|  | int x; | 
|  | uint a[10]; | 
|  | uint y; | 
|  | }; | 
|  |  | 
|  | shared S wg; | 
|  | void tint_zero_workgroup_memory(uint local_idx) { | 
|  | if ((local_idx < 1u)) { | 
|  | wg.x = 0; | 
|  | wg.y = 0u; | 
|  | } | 
|  | { | 
|  | for(uint idx = local_idx; (idx < 10u); idx = (idx + 1u)) { | 
|  | uint i = idx; | 
|  | atomicExchange(wg.a[i], 0u); | 
|  | } | 
|  | } | 
|  | barrier(); | 
|  | } | 
|  |  | 
|  | void compute_main(uint local_invocation_index) { | 
|  | tint_zero_workgroup_memory(local_invocation_index); | 
|  | atomicExchange(wg.a[4], 1u); | 
|  | } | 
|  |  | 
|  | layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in; | 
|  | void main() { | 
|  | compute_main(gl_LocalInvocationIndex); | 
|  | return; | 
|  | } |