34 lines
1.1 KiB
Plaintext
34 lines
1.1 KiB
Plaintext
|
#include <metal_stdlib>
|
||
|
|
||
|
using namespace metal;
|
||
|
|
||
|
struct atomic_compare_exchange_resultu32 {
|
||
|
uint old_value;
|
||
|
bool exchanged;
|
||
|
};
|
||
|
template <typename A, typename T>
|
||
|
atomic_compare_exchange_resultu32 atomicCompareExchangeWeak_1(threadgroup A* atomic, T compare, T value) {
|
||
|
T old_value = compare;
|
||
|
bool exchanged = atomic_compare_exchange_weak_explicit(atomic, &old_value, value, memory_order_relaxed, memory_order_relaxed);
|
||
|
return {old_value, exchanged};
|
||
|
}
|
||
|
|
||
|
void atomicCompareExchangeWeak_83580d(threadgroup atomic_uint* const tint_symbol) {
|
||
|
atomic_compare_exchange_resultu32 res = atomicCompareExchangeWeak_1(tint_symbol, 1u, 1u);
|
||
|
}
|
||
|
|
||
|
void compute_main_inner(uint local_invocation_index, threadgroup atomic_uint* const tint_symbol_1) {
|
||
|
{
|
||
|
atomic_store_explicit(tint_symbol_1, uint(), memory_order_relaxed);
|
||
|
}
|
||
|
threadgroup_barrier(mem_flags::mem_threadgroup);
|
||
|
atomicCompareExchangeWeak_83580d(tint_symbol_1);
|
||
|
}
|
||
|
|
||
|
kernel void compute_main(uint local_invocation_index [[thread_index_in_threadgroup]]) {
|
||
|
threadgroup atomic_uint tint_symbol_2;
|
||
|
compute_main_inner(local_invocation_index, &(tint_symbol_2));
|
||
|
return;
|
||
|
}
|
||
|
|