Files
ispc/tests/local-atomics-13.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

17 lines
451 B
Plaintext

export uniform int width() { return programCount; }
uniform unsigned int32 s = 0;
export void f_f(uniform float RET[], uniform float aFOO[]) {
float a = aFOO[programIndex];
float b = 0;
if (programIndex & 1)
b = atomic_or_local(&s, (1 << programIndex));
RET[programIndex] = popcnt(reduce_max((int32)b));
}
export void result(uniform float RET[]) {
RET[programIndex] = programCount == 1 ? 0 : ((programCount/2) - 1);
}