groupshared uint arg_0; void atomicMax_beccfc() { uint atomic_result = 0u; InterlockedMax(arg_0, 1u, atomic_result); uint res = atomic_result; } struct tint_symbol_1 { uint local_invocation_index : SV_GroupIndex; }; [numthreads(1, 1, 1)] void compute_main(tint_symbol_1 tint_symbol) { const uint local_invocation_index = tint_symbol.local_invocation_index; if ((local_invocation_index == 0u)) { uint atomic_result_1 = 0u; InterlockedExchange(arg_0, 0u, atomic_result_1); } GroupMemoryBarrierWithGroupSync(); atomicMax_beccfc(); return; }