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[WIP] Simplify and optimize PriorityQueue logic

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This commit is contained in:
Yoshi Askharoun
2026-07-27 01:28:09 -05:00
parent a8d6f8fbe6
commit 272cc14649
1 changed files with 46 additions and 34 deletions
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UIX/Microsoft/Iris/Queues/PriorityQueue.cs
+36 -24
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@@ -5,6 +5,7 @@
// Assembly location: C:\Program Files\Zune\UIX.dll
using System;
using Microsoft.Iris.Debug;
namespace Microsoft.Iris.Queues
{
@@ -131,37 +132,50 @@ namespace Microsoft.Iris.Queues
private QueueItem GetNextItemWorker(int subsetMask, bool ignoreLocks)
{
int mask = BeginReadLoop(subsetMask, ignoreLocks);
#if DEBUG
for (var q = 0; q < _queues.Length; q++)
{
var queue = _queues[q];
var isEmpty = queue switch
{
Input.InputQueue inputQueue => inputQueue.IsEmpty,
SimpleQueue simpleQueue => simpleQueue.IsEmpty,
_ => throw new Exception()
};
if (!isEmpty)
Trace.WriteLine(TraceCategory.Queues, "Queue {0} has items", q);
}
#endif
var mask = BeginReadLoop(subsetMask, ignoreLocks);
QueueItem queueItem = null;
while (mask != 0)
{
int lowestBit = FindLowestBit(mask);
var lowestBit = FindLowestBit(mask);
Trace.WriteLine(TraceCategory.Queues, "Checking Queue {0}", lowestBit);
queueItem = _queues[lowestBit].GetNextItem();
if (queueItem == null)
{
if (queueItem != null)
break;
SetWake(lowestBit, false);
PriorityQueue.HookProc drainHook = _drainHooks[lowestBit];
var drainHook = _drainHooks[lowestBit];
if (drainHook != null)
{
bool didWork;
bool abort;
drainHook(out didWork, out abort);
if (!abort)
{
drainHook(out var didWork, out var abort);
if (abort)
break;
if (didWork)
{
mask = BeginReadLoop(subsetMask, ignoreLocks);
continue;
}
}
else
break;
}
mask &= ~(1 << lowestBit);
}
else
break;
}
return queueItem;
}
@@ -170,15 +184,13 @@ namespace Microsoft.Iris.Queues
if (!ignoreLocks)
subsetMask &= ~_lockMask;
subsetMask &= _wakeMask | _hookMask;
if (subsetMask != 0 && _loopHook != null)
{
bool didWork;
bool abort;
_loopHook(out didWork, out abort);
if (abort)
subsetMask = 0;
}
if (subsetMask == 0 || _loopHook == null)
return subsetMask;
_loopHook(out _, out var abort);
return abort ? 0 : subsetMask;
}
private void SetWake(int priority, bool value)