Files
ispc/tests/local-atomics-swap.ispc
Matt Pharr 83c8650b36 Add support for "local" atomics.
Also updated aobench example to use them, which in turn allows using
foreach() and thence a much cleaner implementation.

Issue #58.
2012-02-03 13:15:21 -08:00

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export uniform int width() { return programCount; }
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);
}