Ryujinx/src/Ryujinx.Graphics.Metal/FenceHolder.cs
Isaac Marovitz b1928461bb Cleanup Pipeline
Housekeeping

More housekeeping
2024-09-28 19:03:01 -04:00

77 lines
1.7 KiB
C#

using SharpMetal.Metal;
using System;
using System.Runtime.Versioning;
using System.Threading;
namespace Ryujinx.Graphics.Metal
{
[SupportedOSPlatform("macos")]
class FenceHolder : IDisposable
{
private MTLCommandBuffer _fence;
private int _referenceCount;
private bool _disposed;
public FenceHolder(MTLCommandBuffer fence)
{
_fence = fence;
_referenceCount = 1;
}
public MTLCommandBuffer GetUnsafe()
{
return _fence;
}
public bool TryGet(out MTLCommandBuffer fence)
{
int lastValue;
do
{
lastValue = _referenceCount;
if (lastValue == 0)
{
fence = default;
return false;
}
} while (Interlocked.CompareExchange(ref _referenceCount, lastValue + 1, lastValue) != lastValue);
fence = _fence;
return true;
}
public MTLCommandBuffer Get()
{
Interlocked.Increment(ref _referenceCount);
return _fence;
}
public void Put()
{
if (Interlocked.Decrement(ref _referenceCount) == 0)
{
_fence = default;
}
}
public void Wait()
{
_fence.WaitUntilCompleted();
}
public bool IsSignaled()
{
return _fence.Status == MTLCommandBufferStatus.Completed;
}
public void Dispose()
{
if (!_disposed)
{
Put();
_disposed = true;
}
}
}
}