private NvInternalResult EventWaitAsync(ref EventWaitArguments arguments)
{
return(EventWait(ref arguments.Fence, ref arguments.Value, arguments.Timeout, isWaitEventAsyncCmd: true, isWaitEventCmd: false));
}
private NvInternalResult EventWaitAsync(ref EventWaitArguments arguments)
{
return(EventWait(ref arguments, async: true));
}
private NvInternalResult EventWait(ref EventWaitArguments arguments, bool async)
{
if (arguments.Id >= NvHostSyncpt.SyncptsCount)
{
return(NvInternalResult.InvalidInput);
}
if (_syncpt.MinCompare(arguments.Id, arguments.Thresh))
{
arguments.Value = _syncpt.GetMin(arguments.Id);
return(NvInternalResult.Success);
}
if (!async)
{
arguments.Value = 0;
}
if (arguments.Timeout == 0)
{
return(NvInternalResult.TryAgain);
}
NvHostEvent Event;
NvInternalResult result;
int eventIndex;
if (async)
{
eventIndex = arguments.Value;
if ((uint)eventIndex >= EventsCount)
{
return(NvInternalResult.InvalidInput);
}
Event = _events[eventIndex];
}
else
{
Event = GetFreeEvent(arguments.Id, out eventIndex);
}
if (Event != null &&
(Event.State == NvHostEventState.Registered ||
Event.State == NvHostEventState.Free))
{
Event.Id = arguments.Id;
Event.Thresh = arguments.Thresh;
Event.State = NvHostEventState.Waiting;
if (!async)
{
arguments.Value = ((arguments.Id & 0xfff) << 16) | 0x10000000;
}
else
{
arguments.Value = arguments.Id << 4;
}
arguments.Value |= eventIndex;
result = NvInternalResult.TryAgain;
}
else
{
result = NvInternalResult.InvalidInput;
}
return(result);
}
private NvInternalResult EventWaitAsync(ref EventWaitArguments arguments)
{
return(EventWait(ref arguments.Fence, ref arguments.Value, arguments.Timeout, async: true));
}
