#version 310 es struct S { int x; uint a[10]; uint y; }; shared S wg; void compute_main(uint local_invocation_index) { { wg.x = 0; wg.y = 0u; } { for(uint idx = local_invocation_index; (idx < 10u); idx = (idx + 1u)) { uint i = idx; atomicExchange(wg.a[i], 0u); } } barrier(); 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; }