From 1b28ecd63eb49917e3711eb7e06739ebe87e8f41 Mon Sep 17 00:00:00 2001
From: riperiperi <rhy3756547@hotmail.com>
Date: Mon, 8 May 2023 11:45:12 +0100
Subject: Vulkan: Simplify MultiFenceHolder and managing them (#4845)

* Vulkan: Simplify waitable add/remove

Removal of unnecessary hashset and dictionary

* Thread safety for GetBufferData in PersistentFlushBuffer

* Fix WaitForFencesImpl thread safety

* Proper methods for risky reference increments

* Wrong type of CB.

* Address feedback
---
 src/Ryujinx.Graphics.Vulkan/Auto.cs | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

(limited to 'src/Ryujinx.Graphics.Vulkan/Auto.cs')

diff --git a/src/Ryujinx.Graphics.Vulkan/Auto.cs b/src/Ryujinx.Graphics.Vulkan/Auto.cs
index 77261de9..fdce7232 100644
--- a/src/Ryujinx.Graphics.Vulkan/Auto.cs
+++ b/src/Ryujinx.Graphics.Vulkan/Auto.cs
@@ -105,6 +105,23 @@ namespace Ryujinx.Graphics.Vulkan
             }
         }
 
+        public bool TryIncrementReferenceCount()
+        {
+            int lastValue;
+            do
+            {
+                lastValue = _referenceCount;
+
+                if (lastValue == 0)
+                {
+                    return false;
+                }
+            }
+            while (Interlocked.CompareExchange(ref _referenceCount, lastValue + 1, lastValue) != lastValue);
+
+            return true;
+        }
+
         public void IncrementReferenceCount()
         {
             if (Interlocked.Increment(ref _referenceCount) == 1)
-- 
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