struct S { int x; uint a; uint y; }; groupshared S wg[10]; struct tint_symbol_1 { uint local_invocation_index : SV_GroupIndex; }; void compute_main_inner(uint local_invocation_index) { { for(uint idx = local_invocation_index; (idx < 10u); idx = (idx + 1u)) { const uint i = idx; wg[i].x = 0; uint atomic_result = 0u; InterlockedExchange(wg[i].a, 0u, atomic_result); wg[i].y = 0u; } } GroupMemoryBarrierWithGroupSync(); uint atomic_result_1 = 0u; InterlockedExchange(wg[4].a, 1u, atomic_result_1); } [numthreads(1, 1, 1)] void compute_main(tint_symbol_1 tint_symbol) { compute_main_inner(tint_symbol.local_invocation_index); return; }