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UnrealEngine/Engine/Source/ThirdParty/Intel/ISPC/ispc-1.16.1/tests/atomics-9.ispc
2025-05-18 13:04:45 +08:00

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uniform unsigned int32 s = 0;
export void f_f(uniform float RET[], uniform float aFOO[]) {
float a = aFOO[programIndex];
float b = 0;
int32 delta = 1;
if (programIndex < 2) {
#pragma ignore warning(perf)
b = atomic_add_global(&s, delta);
}
RET[programIndex] = reduce_add(b);
}
export void result(uniform float RET[]) {
RET[programIndex] = (programCount == 1) ? 0 : 1;
}