groupshared uint wg[3][2][1]; 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 < 6u); idx = (idx + 1u)) { const uint i = (idx / 2u); const uint i_1 = (idx % 2u); const uint i_2 = (idx % 1u); uint atomic_result = 0u; InterlockedExchange(wg[i][i_1][i_2], 0u, atomic_result); } } GroupMemoryBarrierWithGroupSync(); uint atomic_result_1 = 0u; InterlockedExchange(wg[2][1][0], 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; }