private NvInternalResult SyncptReadMinOrMax(ref NvFence arguments, bool max) { if (arguments.Id >= NvHostSyncpt.SyncptsCount) { return(NvInternalResult.InvalidInput); } if (max) { arguments.Value = (uint)_syncpt.GetMax((int)arguments.Id); } else { arguments.Value = (uint)_syncpt.GetMin((int)arguments.Id); } return(NvInternalResult.Success); }
private static int EventWait(ServiceCtx context, bool async) { long inputPosition = context.Request.GetBufferType0x21().Position; long outputPosition = context.Request.GetBufferType0x22().Position; NvHostCtrlSyncptWaitEx args = MemoryHelper.Read <NvHostCtrlSyncptWaitEx>(context.Memory, inputPosition); if ((uint)args.Id >= NvHostSyncpt.SyncptsCount) { return(NvResult.InvalidInput); } void WriteArgs() { MemoryHelper.Write(context.Memory, outputPosition, args); } NvHostSyncpt syncpt = GetUserCtx(context).Syncpt; if (syncpt.MinCompare(args.Id, args.Thresh)) { args.Value = syncpt.GetMin(args.Id); WriteArgs(); return(NvResult.Success); } if (!async) { args.Value = 0; } if (args.Timeout == 0) { WriteArgs(); return(NvResult.TryAgain); } NvHostEvent Event; int result, eventIndex; if (async) { eventIndex = args.Value; if ((uint)eventIndex >= NvHostCtrlUserCtx.EventsCount) { return(NvResult.InvalidInput); } Event = GetUserCtx(context).Events[eventIndex]; } else { Event = GetFreeEvent(context, syncpt, args.Id, out eventIndex); } if (Event != null && (Event.State == NvHostEventState.Registered || Event.State == NvHostEventState.Free)) { Event.Id = args.Id; Event.Thresh = args.Thresh; Event.State = NvHostEventState.Waiting; if (!async) { args.Value = ((args.Id & 0xfff) << 16) | 0x10000000; } else { args.Value = args.Id << 4; } args.Value |= eventIndex; result = NvResult.TryAgain; } else { result = NvResult.InvalidInput; } WriteArgs(); 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); }