Function RoundUpPow2

include/luxrays/utils/utils.h:217–227

}

template <class T> inline T RoundUpPow2(T v) {
	v--;

	v |= v >> 1;
	v |= v >> 2;
	v |= v >> 4;
	v |= v >> 8;
	v |= v >> 16;

	return v+1;
}

inline unsigned int RoundUpPow2(unsigned int v) {
	v--;