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[Metal] Run state changes after pending command streams 

Co-authored-by: Sekai <140012992+igettingit@users.noreply.github.com>
This commit is contained in:
ParantezTech 2026-10-06 17:47:34 +03:00
parent 018ab6a7b9
commit 2ce435b364
1 changed files with 51 additions and 0 deletions
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51
src/SharpEmu.Libs/Gpu/Metal/MetalGuestGpuBackend.cs
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@ -124,6 +124,57 @@ internal sealed class MetalGuestGpuBackend : IGuestGpuBackend, IGuestImageSnapsh
public IdleOutcome SubmitDone(ICpuMemory memory) => EnsureCommandStream(memory).Done();
public void RunAfterPendingCommandStreams(Action work)
{
ArgumentNullException.ThrowIfNull(work);
CommandStreamQueue? commandStream;
CommandStreamWorker? worker;
lock (_commandStreamGate)
{
commandStream = _commandStream;
worker = _commandStreamWorker;
}
if (commandStream is null || worker?.IsWorkerThread == true)
{
work();
return;
}
using var done = new SemaphoreSlim(0);
System.Runtime.ExceptionServices.ExceptionDispatchInfo? failure = null;
if (!commandStream.TryEnqueueControlBarrier(
() =>
{
try
{
work();
}
catch (Exception exception)
{
failure = System.Runtime.ExceptionServices.ExceptionDispatchInfo.Capture(exception);
}
finally
{
done.Release();
}
},
() =>
{
failure = System.Runtime.ExceptionServices.ExceptionDispatchInfo.Capture(
new OperationCanceledException("The command stream stopped before the video-out state change could run."));
done.Release();
}))
{
work();
return;
}
done.Wait();
failure?.Throw();
}
public void RegisterKnownDisplayBuffer(ulong address, uint guestFormat) =>
MetalVideoPresenter.RegisterKnownDisplayBuffer(address, guestFormat);