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TSR Berry 2023-04-08 01:22:00 +02:00 • committed by Mary
parent cd124bda58
commit cee7121058
3466 changed files with 55 additions and 55 deletions
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120
src/Ryujinx.Graphics.OpenGL/Queries/BufferedQuery.cs Normal file
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using OpenTK.Graphics.OpenGL;
using Ryujinx.Common.Logging;
using System;
using System.Runtime.InteropServices;
using System.Threading;
namespace Ryujinx.Graphics.OpenGL.Queries
{
class BufferedQuery : IDisposable
{
private const int MaxQueryRetries = 5000;
private const long DefaultValue = -1;
private const ulong HighMask = 0xFFFFFFFF00000000;
public int Query { get; }
private int _buffer;
private IntPtr _bufferMap;
private QueryTarget _type;
public BufferedQuery(QueryTarget type)
{
_buffer = GL.GenBuffer();
Query = GL.GenQuery();
_type = type;
GL.BindBuffer(BufferTarget.QueryBuffer, _buffer);
unsafe
{
long defaultValue = DefaultValue;
GL.BufferStorage(BufferTarget.QueryBuffer, sizeof(long), (IntPtr)(&defaultValue), BufferStorageFlags.MapReadBit | BufferStorageFlags.MapWriteBit | BufferStorageFlags.MapPersistentBit);
}
_bufferMap = GL.MapBufferRange(BufferTarget.QueryBuffer, IntPtr.Zero, sizeof(long), BufferAccessMask.MapReadBit | BufferAccessMask.MapWriteBit | BufferAccessMask.MapPersistentBit);
}
public void Reset()
{
GL.EndQuery(_type);
GL.BeginQuery(_type, Query);
}
public void Begin()
{
GL.BeginQuery(_type, Query);
}
public unsafe void End(bool withResult)
{
GL.EndQuery(_type);
if (withResult)
{
GL.BindBuffer(BufferTarget.QueryBuffer, _buffer);
Marshal.WriteInt64(_bufferMap, -1L);
GL.GetQueryObject(Query, GetQueryObjectParam.QueryResult, (long*)0);
GL.MemoryBarrier(MemoryBarrierFlags.QueryBufferBarrierBit | MemoryBarrierFlags.ClientMappedBufferBarrierBit);
}
else
{
// Dummy result, just return 0.
Marshal.WriteInt64(_bufferMap, 0L);
}
}
private bool WaitingForValue(long data)
{
return data == DefaultValue ||
((ulong)data & HighMask) == (unchecked((ulong)DefaultValue) & HighMask);
}
public bool TryGetResult(out long result)
{
result = Marshal.ReadInt64(_bufferMap);
return !WaitingForValue(result);
}
public long AwaitResult(AutoResetEvent wakeSignal = null)
{
long data = DefaultValue;
if (wakeSignal == null)
{
while (WaitingForValue(data))
{
data = Marshal.ReadInt64(_bufferMap);
}
}
else
{
int iterations = 0;
while (WaitingForValue(data) && iterations++ < MaxQueryRetries)
{
data = Marshal.ReadInt64(_bufferMap);
if (WaitingForValue(data))
{
wakeSignal.WaitOne(1);
}
}
if (iterations >= MaxQueryRetries)
{
Logger.Error?.Print(LogClass.Gpu, $"Error: Query result timed out. Took more than {MaxQueryRetries} tries.");
}
}
return data;
}
public void Dispose()
{
GL.BindBuffer(BufferTarget.QueryBuffer, _buffer);
GL.UnmapBuffer(BufferTarget.QueryBuffer);
GL.DeleteBuffer(_buffer);
GL.DeleteQuery(Query);
}
}
}

229
src/Ryujinx.Graphics.OpenGL/Queries/CounterQueue.cs Normal file
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using OpenTK.Graphics.OpenGL;
using Ryujinx.Graphics.GAL;
using System;
using System.Collections.Generic;
using System.Threading;
namespace Ryujinx.Graphics.OpenGL.Queries
{
class CounterQueue : IDisposable
{
private const int QueryPoolInitialSize = 100;
public CounterType Type { get; }
public bool Disposed { get; private set; }
private readonly Pipeline _pipeline;
private Queue<CounterQueueEvent> _events = new Queue<CounterQueueEvent>();
private CounterQueueEvent _current;
private ulong _accumulatedCounter;
private int _waiterCount;
private object _lock = new object();
private Queue<BufferedQuery> _queryPool;
private AutoResetEvent _queuedEvent = new AutoResetEvent(false);
private AutoResetEvent _wakeSignal = new AutoResetEvent(false);
private AutoResetEvent _eventConsumed = new AutoResetEvent(false);
private Thread _consumerThread;
internal CounterQueue(Pipeline pipeline, CounterType type)
{
Type = type;
_pipeline = pipeline;
QueryTarget glType = GetTarget(Type);
_queryPool = new Queue<BufferedQuery>(QueryPoolInitialSize);
for (int i = 0; i < QueryPoolInitialSize; i++)
{
_queryPool.Enqueue(new BufferedQuery(glType));
}
_current = new CounterQueueEvent(this, glType, 0);
_consumerThread = new Thread(EventConsumer);
_consumerThread.Start();
}
private void EventConsumer()
{
while (!Disposed)
{
CounterQueueEvent evt = null;
lock (_lock)
{
if (_events.Count > 0)
{
evt = _events.Dequeue();
}
}
if (evt == null)
{
_queuedEvent.WaitOne(); // No more events to go through, wait for more.
}
else
{
// Spin-wait rather than sleeping if there are any waiters, by passing null instead of the wake signal.
evt.TryConsume(ref _accumulatedCounter, true, _waiterCount == 0 ? _wakeSignal : null);
}
if (_waiterCount > 0)
{
_eventConsumed.Set();
}
}
}
internal BufferedQuery GetQueryObject()
{
// Creating/disposing query objects on a context we're sharing with will cause issues.
// So instead, make a lot of query objects on the main thread and reuse them.
lock (_lock)
{
if (_queryPool.Count > 0)
{
BufferedQuery result = _queryPool.Dequeue();
return result;
}
else
{
return new BufferedQuery(GetTarget(Type));
}
}
}
internal void ReturnQueryObject(BufferedQuery query)
{
lock (_lock)
{
_queryPool.Enqueue(query);
}
}
public CounterQueueEvent QueueReport(EventHandler<ulong> resultHandler, ulong lastDrawIndex, bool hostReserved)
{
CounterQueueEvent result;
ulong draws = lastDrawIndex - _current.DrawIndex;
lock (_lock)
{
// A query's result only matters if more than one draw was performed during it.
// Otherwise, dummy it out and return 0 immediately.
if (hostReserved)
{
// This counter event is guaranteed to be available for host conditional rendering.
_current.ReserveForHostAccess();
}
_current.Complete(draws > 0, _pipeline.GetCounterDivisor(Type));
_events.Enqueue(_current);
_current.OnResult += resultHandler;
result = _current;
_current = new CounterQueueEvent(this, GetTarget(Type), lastDrawIndex);
}
_queuedEvent.Set();
return result;
}
public void QueueReset()
{
lock (_lock)
{
_current.Clear();
}
}
private static QueryTarget GetTarget(CounterType type)
{
switch (type)
{
case CounterType.SamplesPassed: return QueryTarget.SamplesPassed;
case CounterType.PrimitivesGenerated: return QueryTarget.PrimitivesGenerated;
case CounterType.TransformFeedbackPrimitivesWritten: return QueryTarget.TransformFeedbackPrimitivesWritten;
}
return QueryTarget.SamplesPassed;
}
public void Flush(bool blocking)
{
if (!blocking)
{
// Just wake the consumer thread - it will update the queries.
_wakeSignal.Set();
return;
}
lock (_lock)
{
// Tell the queue to process all events.
while (_events.Count > 0)
{
CounterQueueEvent flush = _events.Peek();
if (!flush.TryConsume(ref _accumulatedCounter, true))
{
return; // If not blocking, then return when we encounter an event that is not ready yet.
}
_events.Dequeue();
}
}
}
public void FlushTo(CounterQueueEvent evt)
{
// Flush the counter queue on the main thread.
Interlocked.Increment(ref _waiterCount);
_wakeSignal.Set();
while (!evt.Disposed)
{
_eventConsumed.WaitOne(1);
}
Interlocked.Decrement(ref _waiterCount);
}
public void Dispose()
{
lock (_lock)
{
while (_events.Count > 0)
{
CounterQueueEvent evt = _events.Dequeue();
evt.Dispose();
}
Disposed = true;
}
_queuedEvent.Set();
_consumerThread.Join();
foreach (BufferedQuery query in _queryPool)
{
query.Dispose();
}
_queuedEvent.Dispose();
_wakeSignal.Dispose();
_eventConsumed.Dispose();
}
}
}

163
src/Ryujinx.Graphics.OpenGL/Queries/CounterQueueEvent.cs Normal file
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using OpenTK.Graphics.OpenGL;
using Ryujinx.Graphics.GAL;
using System;
using System.Threading;
namespace Ryujinx.Graphics.OpenGL.Queries
{
class CounterQueueEvent : ICounterEvent
{
public event EventHandler<ulong> OnResult;
public QueryTarget Type { get; }
public bool ClearCounter { get; private set; }
public int Query => _counter.Query;
public bool Disposed { get; private set; }
public bool Invalid { get; set; }
public ulong DrawIndex { get; }
private CounterQueue _queue;
private BufferedQuery _counter;
private bool _hostAccessReserved = false;
private int _refCount = 1; // Starts with a reference from the counter queue.
private object _lock = new object();
private ulong _result = ulong.MaxValue;
private double _divisor = 1f;
public CounterQueueEvent(CounterQueue queue, QueryTarget type, ulong drawIndex)
{
_queue = queue;
_counter = queue.GetQueryObject();
Type = type;
DrawIndex = drawIndex;
_counter.Begin();
}
internal void Clear()
{
_counter.Reset();
ClearCounter = true;
}
internal void Complete(bool withResult, double divisor)
{
_counter.End(withResult);
_divisor = divisor;
}
internal bool TryConsume(ref ulong result, bool block, AutoResetEvent wakeSignal = null)
{
lock (_lock)
{
if (Disposed)
{
return true;
}
if (ClearCounter || Type == QueryTarget.Timestamp)
{
result = 0;
}
long queryResult;
if (block)
{
queryResult = _counter.AwaitResult(wakeSignal);
}
else
{
if (!_counter.TryGetResult(out queryResult))
{
return false;
}
}
result += _divisor == 1 ? (ulong)queryResult : (ulong)Math.Ceiling(queryResult / _divisor);
_result = result;
OnResult?.Invoke(this, result);
Dispose(); // Return the our resources to the pool.
return true;
}
}
public void Flush()
{
if (Disposed)
{
return;
}
// Tell the queue to process all events up to this one.
_queue.FlushTo(this);
}
public void DecrementRefCount()
{
if (Interlocked.Decrement(ref _refCount) == 0)
{
DisposeInternal();
}
}
public bool ReserveForHostAccess()
{
if (_hostAccessReserved)
{
return true;
}
if (IsValueAvailable())
{
return false;
}
if (Interlocked.Increment(ref _refCount) == 1)
{
Interlocked.Decrement(ref _refCount);
return false;
}
_hostAccessReserved = true;
return true;
}
public void ReleaseHostAccess()
{
_hostAccessReserved = false;
DecrementRefCount();
}
private void DisposeInternal()
{
_queue.ReturnQueryObject(_counter);
}
private bool IsValueAvailable()
{
return _result != ulong.MaxValue || _counter.TryGetResult(out _);
}
public void Dispose()
{
Disposed = true;
DecrementRefCount();
}
}
}

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src/Ryujinx.Graphics.OpenGL/Queries/Counters.cs Normal file
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using Ryujinx.Graphics.GAL;
using System;
namespace Ryujinx.Graphics.OpenGL.Queries
{
class Counters : IDisposable
{
private CounterQueue[] _counterQueues;
public Counters()
{
int count = Enum.GetNames<CounterType>().Length;
_counterQueues = new CounterQueue[count];
}
public void Initialize(Pipeline pipeline)
{
for (int index = 0; index < _counterQueues.Length; index++)
{
CounterType type = (CounterType)index;
_counterQueues[index] = new CounterQueue(pipeline, type);
}
}
public CounterQueueEvent QueueReport(CounterType type, EventHandler<ulong> resultHandler, ulong lastDrawIndex, bool hostReserved)
{
return _counterQueues[(int)type].QueueReport(resultHandler, lastDrawIndex, hostReserved);
}
public void QueueReset(CounterType type)
{
_counterQueues[(int)type].QueueReset();
}
public void Update()
{
foreach (var queue in _counterQueues)
{
queue.Flush(false);
}
}
public void Flush(CounterType type)
{
_counterQueues[(int)type].Flush(true);
}
public void Dispose()
{
foreach (var queue in _counterQueues)
{
queue.Dispose();
}
}
}
}