1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
|
using Ryujinx.Graphics.GAL.Multithreading.Commands.CounterEvent;
using Ryujinx.Graphics.GAL.Multithreading.Model;
using System.Threading;
namespace Ryujinx.Graphics.GAL.Multithreading.Resources
{
class ThreadedCounterEvent : ICounterEvent
{
private readonly ThreadedRenderer _renderer;
public ICounterEvent Base;
public bool Invalid { get; set; }
public CounterType Type { get; }
public bool ClearCounter { get; }
private bool _reserved;
private int _createLock;
public ThreadedCounterEvent(ThreadedRenderer renderer, CounterType type, bool clearCounter)
{
_renderer = renderer;
Type = type;
ClearCounter = clearCounter;
}
private TableRef<T> Ref<T>(T reference)
{
return new TableRef<T>(_renderer, reference);
}
public void Dispose()
{
_renderer.New<CounterEventDisposeCommand>().Set(Ref(this));
_renderer.QueueCommand();
}
public void Flush()
{
ThreadedHelpers.SpinUntilNonNull(ref Base);
Base.Flush();
}
public bool ReserveForHostAccess()
{
if (Base != null)
{
return Base.ReserveForHostAccess();
}
else
{
bool result = true;
// A very light lock, as this case is uncommon.
ThreadedHelpers.SpinUntilExchange(ref _createLock, 1, 0);
if (Base != null)
{
result = Base.ReserveForHostAccess();
}
else
{
_reserved = true;
}
Volatile.Write(ref _createLock, 0);
return result;
}
}
public void Create(IRenderer renderer, CounterType type, System.EventHandler<ulong> eventHandler, float divisor, bool hostReserved)
{
ThreadedHelpers.SpinUntilExchange(ref _createLock, 1, 0);
Base = renderer.ReportCounter(type, eventHandler, divisor, hostReserved || _reserved);
Volatile.Write(ref _createLock, 0);
}
}
}
|
