public NvHostEvent(NvHostSyncpt syncpointManager, uint eventId, Horizon system)
{
Fence.Id = 0;
State = NvHostEventState.Available;
Event = new KEvent(system);
_eventId = eventId;
_syncpointManager = syncpointManager;
}
private void Signal()
{
NvHostEventState oldState = State;
State = NvHostEventState.Signaling;
if (oldState == NvHostEventState.Waiting)
{
Event.WritableEvent.Signal();
}
State = NvHostEventState.Signaled;
}
public NvHostEvent(NvHostSyncpt syncpointManager, uint eventId, Horizon system)
{
Fence.Id = 0;
State = NvHostEventState.Available;
Event = new KEvent(system.KernelContext);
_eventId = eventId;
_syncpointManager = syncpointManager;
ResetFailingState();
}
public NvHostEvent(NvHostSyncpt syncpointManager, uint eventId, Horizon system)
{
Fence.Id = 0;
State = NvHostEventState.Available;
Event = new KEvent(system.KernelContext);
if (KernelStatic.GetCurrentProcess().HandleTable.GenerateHandle(Event.ReadableEvent, out EventHandle) != KernelResult.Success)
{
throw new InvalidOperationException("Out of handles!");
}
_eventId = eventId;
_syncpointManager = syncpointManager;
ResetFailingState();
}
private NvInternalResult EventSignal(ref uint userEventId)
{
uint eventId = userEventId & ushort.MaxValue;
if (eventId >= EventsCount)
{
return(NvInternalResult.InvalidInput);
}
lock (_events)
{
NvHostEvent hostEvent = _events[eventId];
if (hostEvent == null)
{
return(NvInternalResult.InvalidInput);
}
lock (hostEvent.Lock)
{
NvHostEventState oldState = hostEvent.State;
if (oldState == NvHostEventState.Waiting)
{
hostEvent.State = NvHostEventState.Cancelling;
hostEvent.Cancel(_device.Gpu);
}
hostEvent.State = NvHostEventState.Cancelled;
_device.System.HostSyncpoint.UpdateMin(hostEvent.Fence.Id);
return(NvInternalResult.Success);
}
}
}
public void Reset()
{
Fence.Id = NvFence.InvalidSyncPointId;
Fence.Value = 0;
State = NvHostEventState.Availaible;
}
