From 57d3296ba4e5c1fc7ca30376c7ca8eb3041ae2f6 Mon Sep 17 00:00:00 2001
From: Mary <me@thog.eu>
Date: Sun, 28 Nov 2021 21:24:17 +0100
Subject: infra: Migrate to .NET 6 (#2829)

* infra: Migrate to .NET 6

* Rollback version naming change

* Workaround .NET 6 ZipArchive API issues

* ci: Switch to VS 2022 for AppVeyor

CI is now ready for .NET 6

* Suppress WebClient warning in DoUpdateWithMultipleThreads

* Attempt to workaround System.Drawing.Common changes on 6.0.0

* Change keyboard rendering from System.Drawing to ImageSharp

* Make the software keyboard renderer multithreaded

* Bump ImageSharp version to 1.0.4 to fix a bug in Image.Load

* Add fallback fonts to the keyboard renderer

* Fix warnings

* Address caian's comment

* Clean up linux workaround as it's uneeded now

* Update readme

Co-authored-by: Caian Benedicto <caianbene@gmail.com>
---
 .../Shader/Cache/CacheCollection.cs                | 24 +++++++++++++++-------
 1 file changed, 17 insertions(+), 7 deletions(-)

(limited to 'Ryujinx.Graphics.Gpu/Shader/Cache/CacheCollection.cs')

diff --git a/Ryujinx.Graphics.Gpu/Shader/Cache/CacheCollection.cs b/Ryujinx.Graphics.Gpu/Shader/Cache/CacheCollection.cs
index 316e027f..a98531f6 100644
--- a/Ryujinx.Graphics.Gpu/Shader/Cache/CacheCollection.cs
+++ b/Ryujinx.Graphics.Gpu/Shader/Cache/CacheCollection.cs
@@ -1,11 +1,11 @@
-using Ryujinx.Common;
+using ICSharpCode.SharpZipLib.Zip;
+using Ryujinx.Common;
 using Ryujinx.Common.Logging;
 using Ryujinx.Graphics.Gpu.Shader.Cache.Definition;
 using System;
 using System.Collections.Generic;
 using System.Diagnostics;
 using System.IO;
-using System.IO.Compression;
 using System.Linq;
 using System.Runtime.CompilerServices;
 using System.Runtime.InteropServices;
@@ -119,7 +119,7 @@ namespace Ryujinx.Graphics.Gpu.Shader.Cache
         /// <summary>
         /// Main storage of the cache collection.
         /// </summary>
-        private ZipArchive _cacheArchive;
+        private ZipFile _cacheArchive;
 
         /// <summary>
         /// Indicates if the cache collection supports modification.
@@ -324,7 +324,7 @@ namespace Ryujinx.Graphics.Gpu.Shader.Cache
             EnsureArchiveUpToDate();
 
             // Open the zip in readonly to avoid anyone modifying/corrupting it during normal operations.
-            _cacheArchive = ZipFile.Open(GetArchivePath(), ZipArchiveMode.Read);
+            _cacheArchive = new ZipFile(File.OpenRead(GetArchivePath()));
         }
 
         /// <summary>
@@ -336,7 +336,7 @@ namespace Ryujinx.Graphics.Gpu.Shader.Cache
             // First close previous opened instance if found.
             if (_cacheArchive != null)
             {
-                _cacheArchive.Dispose();
+                _cacheArchive.Close();
             }
 
             string archivePath = GetArchivePath();
@@ -355,8 +355,18 @@ namespace Ryujinx.Graphics.Gpu.Shader.Cache
                 return;
             }
 
+            if (!File.Exists(archivePath))
+            {
+                using (ZipFile newZip = ZipFile.Create(archivePath))
+                {
+                    // Workaround for SharpZipLib issue #395
+                    newZip.BeginUpdate();
+                    newZip.CommitUpdate();
+                }
+            }
+
             // Open the zip in read/write.
-            _cacheArchive = ZipFile.Open(archivePath, ZipArchiveMode.Update);
+            _cacheArchive = new ZipFile(File.Open(archivePath, FileMode.Open, FileAccess.ReadWrite, FileShare.None));
 
             Logger.Info?.Print(LogClass.Gpu, $"Updating cache collection archive {archivePath}...");
 
@@ -366,7 +376,7 @@ namespace Ryujinx.Graphics.Gpu.Shader.Cache
                 CacheHelper.EnsureArchiveUpToDate(_cacheDirectory, _cacheArchive, _hashTable);
 
                 // Close the instance to force a flush.
-                _cacheArchive.Dispose();
+                _cacheArchive.Close();
                 _cacheArchive = null;
 
                 string cacheTempDataPath = GetCacheTempDataPath();
-- 
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