30 lines
773 B
Plaintext
30 lines
773 B
Plaintext
#include <metal_stdlib>
|
|
|
|
using namespace metal;
|
|
|
|
template <typename A, typename T>
|
|
vec<T, 2> atomicCompareExchangeWeak_1(device A* atomic, T compare, T value) {
|
|
T prev_value = compare;
|
|
bool matched = atomic_compare_exchange_weak_explicit(atomic, &prev_value, value, memory_order_relaxed, memory_order_relaxed);
|
|
return {prev_value, matched};
|
|
}
|
|
|
|
struct SB_RW {
|
|
/* 0x0000 */ atomic_uint arg_0;
|
|
};
|
|
|
|
void atomicCompareExchangeWeak_6673da(device SB_RW& sb_rw) {
|
|
uint2 res = atomicCompareExchangeWeak_1(&(sb_rw.arg_0), 1u, 1u);
|
|
}
|
|
|
|
fragment void fragment_main(device SB_RW& sb_rw [[buffer(0)]]) {
|
|
atomicCompareExchangeWeak_6673da(sb_rw);
|
|
return;
|
|
}
|
|
|
|
kernel void compute_main(device SB_RW& sb_rw [[buffer(0)]]) {
|
|
atomicCompareExchangeWeak_6673da(sb_rw);
|
|
return;
|
|
}
|
|
|