| struct atomic_compare_exchange_result_i32 { |
| int old_value; |
| bool exchanged; |
| }; |
| RWByteAddressBuffer a : register(u0); |
| |
| atomic_compare_exchange_result_i32 aatomicCompareExchangeWeak(uint offset, int compare, int value) { |
| atomic_compare_exchange_result_i32 result=(atomic_compare_exchange_result_i32)0; |
| a.InterlockedCompareExchange(offset, compare, value, result.old_value); |
| result.exchanged = result.old_value == compare; |
| return result; |
| } |
| |
| |
| [numthreads(1, 1, 1)] |
| void compute_main() { |
| atomic_compare_exchange_result_i32 tint_symbol = aatomicCompareExchangeWeak(0u, 1, 1); |
| int v = tint_symbol.old_value; |
| return; |
| } |
