private NvInternalResult SyncptWait(ref SyncptWaitArguments arguments, out int value)
{
if (arguments.Id >= NvHostSyncpt.SyncptsCount)
{
value = 0;
return(NvInternalResult.InvalidInput);
}
NvInternalResult result;
if (_syncpt.MinCompare((int)arguments.Id, arguments.Thresh))
{
result = NvInternalResult.Success;
}
else if (arguments.Timeout == 0)
{
result = NvInternalResult.TryAgain;
}
else
{
Logger.PrintDebug(LogClass.ServiceNv, $"Waiting syncpt with timeout of {arguments.Timeout}ms...");
using (ManualResetEvent waitEvent = new ManualResetEvent(false))
{
_syncpt.AddWaiter(arguments.Thresh, waitEvent);
// Note: Negative (> INT_MAX) timeouts aren't valid on .NET,
// in this case we just use the maximum timeout possible.
int timeout = arguments.Timeout;
if (timeout < -1)
{
timeout = int.MaxValue;
}
if (timeout == -1)
{
waitEvent.WaitOne();
result = NvInternalResult.Success;
}
else if (waitEvent.WaitOne(timeout))
{
result = NvInternalResult.Success;
}
else
{
result = NvInternalResult.TimedOut;
}
}
Logger.PrintDebug(LogClass.ServiceNv, "Resuming...");
}
value = _syncpt.GetMin((int)arguments.Id);
return(result);
}
private static int SyncptWait(ServiceCtx context, bool extended)
{
long inputPosition = context.Request.GetBufferType0x21().Position;
long outputPosition = context.Request.GetBufferType0x22().Position;
NvHostCtrlSyncptWait args = MemoryHelper.Read <NvHostCtrlSyncptWait>(context.Memory, inputPosition);
NvHostSyncpt syncpt = GetUserCtx(context).Syncpt;
if ((uint)args.Id >= NvHostSyncpt.SyncptsCount)
{
return(NvResult.InvalidInput);
}
int result;
if (syncpt.MinCompare(args.Id, args.Thresh))
{
result = NvResult.Success;
}
else if (args.Timeout == 0)
{
result = NvResult.TryAgain;
}
else
{
Logger.PrintDebug(LogClass.ServiceNv, "Waiting syncpt with timeout of " + args.Timeout + "ms...");
using (ManualResetEvent waitEvent = new ManualResetEvent(false))
{
syncpt.AddWaiter(args.Thresh, waitEvent);
// Note: Negative (> INT_MAX) timeouts aren't valid on .NET,
// in this case we just use the maximum timeout possible.
int timeout = args.Timeout;
if (timeout < -1)
{
timeout = int.MaxValue;
}
if (timeout == -1)
{
waitEvent.WaitOne();
result = NvResult.Success;
}
else if (waitEvent.WaitOne(timeout))
{
result = NvResult.Success;
}
else
{
result = NvResult.TimedOut;
}
}
Logger.PrintDebug(LogClass.ServiceNv, "Resuming...");
}
if (extended)
{
context.Memory.WriteInt32(outputPosition + 0xc, syncpt.GetMin(args.Id));
}
return(result);
}