/// Wait for events in the list
inline void wait_for_events(const wait_list &events) {
std::map<context_id, wait_list> by_context;
for(auto e = events.begin(); e != events.end(); ++e) {
context_id ctx = get_context_id(*e);
by_context[ctx].push_back(*e);
}
for(auto c = by_context.begin(); c != by_context.end(); ++c)
cl::Event::waitForEvents(c->second);
}
/// Enqueue marker (with wait list) into the queue
inline event enqueue_marker(command_queue &q,
const wait_list &events = wait_list())
{
context_id ctx = get_context_id(q);
wait_list my_events;
std::copy_if(events.begin(), events.end(),
std::back_inserter(my_events),
[=](const event &e){ return ctx == get_context_id(e); });
event e;
q.enqueueMarkerWithWaitList(&my_events, &e);
return e;
}
/// Append wait list to wait list
inline void wait_list_append(wait_list &dst, const wait_list &src) {
dst.insert(dst.begin(), src.begin(), src.end());
}
