Method PushDone

include/luxrays/core/geometry/raybuffer.h:357–357

	RayBuffer *PopToDo() { return todoQueue.Pop(); }

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