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Fix inconsistencies in progress reporting (#2129)

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Signal and setup events correctly
Eliminate possible races
Use a single event
Mark volatiles and reduce scope of waithandles
Common handler
100ms -> 50ms
This commit is contained in:
mageven 2021-03-23 00:10:07 +05:30 • committed by GitHub
parent 0b022cad1e
commit 69f8722e79
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GPG key ID: 4AEE18F83AFDEB23
6 changed files with 128 additions and 87 deletions
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61
Ryujinx.Graphics.Gpu/Shader/ShaderCache.cs
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@ -38,10 +38,9 @@ namespace Ryujinx.Graphics.Gpu.Shader
private const ulong ShaderCodeGenVersion = 2088;
// Progress reporting helpers
private int _shaderCount;
private readonly AutoResetEvent _progressReportEvent;
public event Action<bool> ShaderCacheStateChanged;
public event Action<int, int> ShaderCacheProgressChanged;
private volatile int _shaderCount;
private volatile int _totalShaderCount;
public event Action<ShaderCacheState, int, int> ShaderCacheStateChanged;
/// <summary>
/// Creates a new instance of the shader cache.
@ -57,8 +56,6 @@ namespace Ryujinx.Graphics.Gpu.Shader
_gpPrograms = new Dictionary<ShaderAddresses, List<ShaderBundle>>();
_gpProgramsDiskCache = new Dictionary<Hash128, ShaderBundle>();
_cpProgramsDiskCache = new Dictionary<Hash128, ShaderBundle>();
_progressReportEvent = new AutoResetEvent(false);
}
/// <summary>
@ -85,11 +82,25 @@ namespace Ryujinx.Graphics.Gpu.Shader
ReadOnlySpan<Hash128> guestProgramList = _cacheManager.GetGuestProgramList();
_progressReportEvent.Reset();
_shaderCount = 0;
using AutoResetEvent progressReportEvent = new AutoResetEvent(false);
ShaderCacheStateChanged?.Invoke(true);
ThreadPool.QueueUserWorkItem(ProgressLogger, guestProgramList.Length);
_shaderCount = 0;
_totalShaderCount = guestProgramList.Length;
ShaderCacheStateChanged?.Invoke(ShaderCacheState.Start, _shaderCount, _totalShaderCount);
Thread progressReportThread = null;
if (guestProgramList.Length > 0)
{
progressReportThread = new Thread(ReportProgress)
{
Name = "ShaderCache.ProgressReporter",
Priority = ThreadPriority.Lowest,
IsBackground = true
};
progressReportThread.Start(progressReportEvent);
}
for (int programIndex = 0; programIndex < guestProgramList.Length; programIndex++)
{
@ -318,7 +329,7 @@ namespace Ryujinx.Graphics.Gpu.Shader
_gpProgramsDiskCache.Add(key, new ShaderBundle(hostProgram, shaders));
}
_shaderCount = programIndex;
_shaderCount = programIndex + 1;
}
if (!isReadOnly)
@ -329,26 +340,37 @@ namespace Ryujinx.Graphics.Gpu.Shader
_cacheManager.Synchronize();
}
_progressReportEvent.Set();
ShaderCacheStateChanged?.Invoke(false);
progressReportEvent.Set();
progressReportThread?.Join();
ShaderCacheStateChanged?.Invoke(ShaderCacheState.Loaded, _shaderCount, _totalShaderCount);
Logger.Info?.Print(LogClass.Gpu, $"Shader cache loaded {_shaderCount} entries.");
}
}
/// <summary>
/// Raises ShaderCacheProgressChanged events periodically.
/// Raises ShaderCacheStateChanged events periodically.
/// </summary>
private void ProgressLogger(object state)
private void ReportProgress(object state)
{
const int refreshRate = 100; // ms
const int refreshRate = 50; // ms
AutoResetEvent endEvent = (AutoResetEvent)state;
int count = 0;
int totalCount = (int)state;
do
{
ShaderCacheProgressChanged?.Invoke(_shaderCount, totalCount);
int newCount = _shaderCount;
if (count != newCount)
{
ShaderCacheStateChanged?.Invoke(ShaderCacheState.Loading, newCount, _totalShaderCount);
count = newCount;
}
}
while (!_progressReportEvent.WaitOne(refreshRate));
while (!endEvent.WaitOne(refreshRate));
}
/// <summary>
@ -833,7 +855,6 @@ namespace Ryujinx.Graphics.Gpu.Shader
}
}
_progressReportEvent?.Dispose();
_cacheManager?.Dispose();
}
}