33 lines
1.1 KiB
Plaintext
33 lines
1.1 KiB
Plaintext
#include <metal_stdlib>
|
|
|
|
using namespace metal;
|
|
|
|
struct atomic_compare_exchange_result_u32 {
|
|
uint old_value;
|
|
bool exchanged;
|
|
};
|
|
atomic_compare_exchange_result_u32 atomicCompareExchangeWeak_1(threadgroup atomic_uint* atomic, uint compare, uint value) {
|
|
uint 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_result_u32 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, 0u, 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;
|
|
}
|
|
|