Method PopDone

include/luxrays/core/geometry/raybuffer.h:358–363

	void PushDone(RayBuffer *rayBuffer) { doneQueue.Push(rayBuffer); }
	RayBuffer *PopDone(const size_t queueIndex) {
		RayBuffer *rb = doneQueue.Pop(queueIndex, queueDoneCounters[queueIndex]);
		queueDoneCounters[queueIndex]++;

		return rb;
	}

private:
	std::vector<unsigned int> queueToDoCounters;