27 lines
531 B
HLSL
27 lines
531 B
HLSL
RWByteAddressBuffer sb_rw : register(u0, space0);
|
|
|
|
int sb_rwatomicExchange(uint offset, int value) {
|
|
int original_value = 0;
|
|
sb_rw.InterlockedExchange(offset, value, original_value);
|
|
return original_value;
|
|
}
|
|
|
|
|
|
RWByteAddressBuffer prevent_dce : register(u0, space2);
|
|
|
|
void atomicExchange_f2e22f() {
|
|
int res = sb_rwatomicExchange(0u, 1);
|
|
prevent_dce.Store(0u, asuint(res));
|
|
}
|
|
|
|
void fragment_main() {
|
|
atomicExchange_f2e22f();
|
|
return;
|
|
}
|
|
|
|
[numthreads(1, 1, 1)]
|
|
void compute_main() {
|
|
atomicExchange_f2e22f();
|
|
return;
|
|
}
|