mirror of
https://github.com/Ryujinx/Ryujinx.git
synced 2024-08-20 15:48:43 +02:00
* Fix race when EventWait is called and a wait is done on the CPU * This is useless now * Fix EventSignal * Ensure the signal belongs to the current fence, to avoid stale signals
144 lines
5.4 KiB
C#
144 lines
5.4 KiB
C#
using Ryujinx.Common.Logging;
|
|
using System;
|
|
using System.Threading;
|
|
|
|
namespace Ryujinx.Graphics.Gpu.Synchronization
|
|
{
|
|
/// <summary>
|
|
/// GPU synchronization manager.
|
|
/// </summary>
|
|
public class SynchronizationManager
|
|
{
|
|
/// <summary>
|
|
/// The maximum number of syncpoints supported by the GM20B.
|
|
/// </summary>
|
|
public const int MaxHardwareSyncpoints = 192;
|
|
|
|
/// <summary>
|
|
/// Array containing all hardware syncpoints.
|
|
/// </summary>
|
|
private Syncpoint[] _syncpoints;
|
|
|
|
public SynchronizationManager()
|
|
{
|
|
_syncpoints = new Syncpoint[MaxHardwareSyncpoints];
|
|
|
|
for (uint i = 0; i < _syncpoints.Length; i++)
|
|
{
|
|
_syncpoints[i] = new Syncpoint(i);
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// Increment the value of a syncpoint with a given id.
|
|
/// </summary>
|
|
/// <param name="id">The id of the syncpoint</param>
|
|
/// <exception cref="System.ArgumentOutOfRangeException">Thrown when id >= MaxHardwareSyncpoints</exception>
|
|
/// <returns>The incremented value of the syncpoint</returns>
|
|
public uint IncrementSyncpoint(uint id)
|
|
{
|
|
if (id >= MaxHardwareSyncpoints)
|
|
{
|
|
throw new ArgumentOutOfRangeException(nameof(id));
|
|
}
|
|
|
|
return _syncpoints[id].Increment();
|
|
}
|
|
|
|
/// <summary>
|
|
/// Get the value of a syncpoint with a given id.
|
|
/// </summary>
|
|
/// <param name="id">The id of the syncpoint</param>
|
|
/// <exception cref="System.ArgumentOutOfRangeException">Thrown when id >= MaxHardwareSyncpoints</exception>
|
|
/// <returns>The value of the syncpoint</returns>
|
|
public uint GetSyncpointValue(uint id)
|
|
{
|
|
if (id >= MaxHardwareSyncpoints)
|
|
{
|
|
throw new ArgumentOutOfRangeException(nameof(id));
|
|
}
|
|
|
|
return _syncpoints[id].Value;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Register a new callback on a syncpoint with a given id at a target threshold.
|
|
/// The callback will be called once the threshold is reached and will automatically be unregistered.
|
|
/// </summary>
|
|
/// <param name="id">The id of the syncpoint</param>
|
|
/// <param name="threshold">The target threshold</param>
|
|
/// <param name="callback">The callback to call when the threshold is reached</param>
|
|
/// <exception cref="System.ArgumentOutOfRangeException">Thrown when id >= MaxHardwareSyncpoints</exception>
|
|
/// <returns>The created SyncpointWaiterHandle object or null if already past threshold</returns>
|
|
public SyncpointWaiterHandle RegisterCallbackOnSyncpoint(uint id, uint threshold, Action<SyncpointWaiterHandle> callback)
|
|
{
|
|
if (id >= MaxHardwareSyncpoints)
|
|
{
|
|
throw new ArgumentOutOfRangeException(nameof(id));
|
|
}
|
|
|
|
return _syncpoints[id].RegisterCallback(threshold, callback);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Unregister a callback on a given syncpoint.
|
|
/// </summary>
|
|
/// <param name="id">The id of the syncpoint</param>
|
|
/// <param name="waiterInformation">The waiter information to unregister</param>
|
|
/// <exception cref="System.ArgumentOutOfRangeException">Thrown when id >= MaxHardwareSyncpoints</exception>
|
|
public void UnregisterCallback(uint id, SyncpointWaiterHandle waiterInformation)
|
|
{
|
|
if (id >= MaxHardwareSyncpoints)
|
|
{
|
|
throw new ArgumentOutOfRangeException(nameof(id));
|
|
}
|
|
|
|
_syncpoints[id].UnregisterCallback(waiterInformation);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Wait on a syncpoint with a given id at a target threshold.
|
|
/// The callback will be called once the threshold is reached and will automatically be unregistered.
|
|
/// </summary>
|
|
/// <param name="id">The id of the syncpoint</param>
|
|
/// <param name="threshold">The target threshold</param>
|
|
/// <param name="timeout">The timeout</param>
|
|
/// <exception cref="System.ArgumentOutOfRangeException">Thrown when id >= MaxHardwareSyncpoints</exception>
|
|
/// <returns>True if timed out</returns>
|
|
public bool WaitOnSyncpoint(uint id, uint threshold, TimeSpan timeout)
|
|
{
|
|
if (id >= MaxHardwareSyncpoints)
|
|
{
|
|
throw new ArgumentOutOfRangeException(nameof(id));
|
|
}
|
|
|
|
// TODO: Remove this when GPU channel scheduling will be implemented.
|
|
if (timeout == Timeout.InfiniteTimeSpan)
|
|
{
|
|
timeout = TimeSpan.FromSeconds(1);
|
|
}
|
|
|
|
using (ManualResetEvent waitEvent = new ManualResetEvent(false))
|
|
{
|
|
var info = _syncpoints[id].RegisterCallback(threshold, (x) => waitEvent.Set());
|
|
|
|
if (info == null)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
bool signaled = waitEvent.WaitOne(timeout);
|
|
|
|
if (!signaled && info != null)
|
|
{
|
|
Logger.Error?.Print(LogClass.Gpu, $"Wait on syncpoint {id} for threshold {threshold} took more than {timeout.TotalMilliseconds}ms, resuming execution...");
|
|
|
|
_syncpoints[id].UnregisterCallback(info);
|
|
}
|
|
|
|
return !signaled;
|
|
}
|
|
}
|
|
}
|
|
}
|