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UnrealEngine/Engine/Source/ThirdParty/Intel/ISPC/ispc-1.24.0/tests/local-atomics-12.ispc
2025-05-18 13:04:45 +08:00

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#include "../test_static.isph"
uniform unsigned int32 s = 0;
task void f_f(uniform float RET[], uniform float aFOO[]) {
float a = aFOO[programIndex];
float b = 0;
if (programIndex < 29 && (programIndex & 1)) {
#pragma ignore warning(perf)
b = atomic_or_local(&s, (1ul << programIndex));
}
RET[programIndex] = s;
}
task void result(uniform float RET[]) {
uniform int sum = 0;
for (uniform int i = 0; i < min(programCount, 29); ++i)
if (i & 1)
sum += (1ul << i);
RET[programIndex] = sum;
}