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UnrealEngine/Engine/Source/ThirdParty/Intel/ISPC/ispc-1.16.1/tests/local-atomics-swap.ispc
Brandyn / Techy fcc1b09210 init
2026-04-04 15:40:51 -05:00

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uniform int32 s = 1234;
export void f_f(uniform float RET[], uniform float aFOO[]) {
float a = aFOO[programIndex];
float b = 0;
if (programIndex & 1) {
b = atomic_swap_local(&s, programIndex);
}
RET[programIndex] = reduce_add(b) + s;
}
export void result(uniform float RET[]) {
RET[programIndex] = 1234 + reduce_add((programIndex & 1) ? programIndex : 0);
}