mirror of
https://github.com/Ryujinx/Ryujinx.git
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81 lines
2.2 KiB
C#
81 lines
2.2 KiB
C#
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using Ryujinx.Graphics.GAL.Multithreading.Commands.CounterEvent;
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using Ryujinx.Graphics.GAL.Multithreading.Model;
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using System.Threading;
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namespace Ryujinx.Graphics.GAL.Multithreading.Resources
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{
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class ThreadedCounterEvent : ICounterEvent
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{
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private ThreadedRenderer _renderer;
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public ICounterEvent Base;
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public bool Invalid { get; set; }
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public CounterType Type { get; }
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public bool ClearCounter { get; }
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private bool _reserved;
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private int _createLock;
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public ThreadedCounterEvent(ThreadedRenderer renderer, CounterType type, bool clearCounter)
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{
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_renderer = renderer;
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Type = type;
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ClearCounter = clearCounter;
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}
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private TableRef<T> Ref<T>(T reference)
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{
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return new TableRef<T>(_renderer, reference);
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}
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public void Dispose()
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{
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_renderer.New<CounterEventDisposeCommand>().Set(Ref(this));
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_renderer.QueueCommand();
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}
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public void Flush()
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{
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ThreadedHelpers.SpinUntilNonNull(ref Base);
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Base.Flush();
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}
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public bool ReserveForHostAccess()
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{
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if (Base != null)
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{
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return Base.ReserveForHostAccess();
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}
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else
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{
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bool result = true;
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// A very light lock, as this case is uncommon.
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ThreadedHelpers.SpinUntilExchange(ref _createLock, 1, 0);
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if (Base != null)
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{
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result = Base.ReserveForHostAccess();
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}
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else
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{
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_reserved = true;
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}
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Volatile.Write(ref _createLock, 0);
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return result;
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}
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}
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public void Create(IRenderer renderer, CounterType type, System.EventHandler<ulong> eventHandler, bool hostReserved)
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{
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ThreadedHelpers.SpinUntilExchange(ref _createLock, 1, 0);
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Base = renderer.ReportCounter(type, eventHandler, hostReserved || _reserved);
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Volatile.Write(ref _createLock, 0);
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}
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}
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}
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