Files
UnrealEngine/Engine/Source/ThirdParty/Intel/ISPC/ispc-1.19.0/tests/local-atomics-13.ispc
2025-05-18 13:04:45 +08:00

15 lines
453 B
Plaintext

#include "../test_static.isph"
uniform unsigned int32 s = 0;
task void f_f(uniform float RET[], uniform float aFOO[]) {
float a = aFOO[programIndex];
int32 b = 0;
if (programIndex < 28 && (programIndex & 1))
b = atomic_or_local(&s, (1ul << programIndex));
RET[programIndex] = popcnt(reduce_max(b));
}
task void result(uniform float RET[]) {
RET[programIndex] = (programCount == 1) ? 0 : ((min(28, programCount)/2) - 1);
}