1 files changed, 0 insertions, 175 deletions
diff --git a/Ryujinx.Graphics.Gpu/Shader/Cache/CacheMigration.cs b/Ryujinx.Graphics.Gpu/Shader/Cache/CacheMigration.cs
deleted file mode 100644
index 5b4a1713..00000000
--- a/Ryujinx.Graphics.Gpu/Shader/Cache/CacheMigration.cs
+++ /dev/null
@@ -1,175 +0,0 @@
-using ICSharpCode.SharpZipLib.Zip;
-using Ryujinx.Common;
-using Ryujinx.Common.Logging;
-using Ryujinx.Graphics.GAL;
-using Ryujinx.Graphics.Gpu.Shader.Cache.Definition;
-using System;
-using System.Collections.Generic;
-using System.IO;
-
-namespace Ryujinx.Graphics.Gpu.Shader.Cache
-{
-    /// <summary>
-    /// Class handling shader cache migrations.
-    /// </summary>
-    static class CacheMigration
-    {
-        /// <summary>
-        /// Check if the given cache version need to recompute its hash.
-        /// </summary>
-        /// <param name="version">The version in use</param>
-        /// <param name="newVersion">The new version after migration</param>
-        /// <returns>True if a hash recompute is needed</returns>
-        public static bool NeedHashRecompute(ulong version, out ulong newVersion)
-        {
-            const ulong TargetBrokenVersion = 1717;
-            const ulong TargetFixedVersion = 1759;
-
-            newVersion = TargetFixedVersion;
-
-            if (version == TargetBrokenVersion)
-            {
-                return true;
-            }
-
-            return false;
-        }
-
-        private class StreamZipEntryDataSource : IStaticDataSource
-        {
-            private readonly ZipFile Archive;
-            private readonly ZipEntry Entry;
-            public StreamZipEntryDataSource(ZipFile archive, ZipEntry entry)
-            {
-                Archive = archive;
-                Entry = entry;
-            }
-
-            public Stream GetSource()
-            {
-                return Archive.GetInputStream(Entry);
-            }
-        }
-
-        /// <summary>
-        /// Move a file with the name of a given hash to another in the cache archive.
-        /// </summary>
-        /// <param name="archive">The archive in use</param>
-        /// <param name="oldKey">The old key</param>
-        /// <param name="newKey">The new key</param>
-        private static void MoveEntry(ZipFile archive, Hash128 oldKey, Hash128 newKey)
-        {
-            ZipEntry oldGuestEntry = archive.GetEntry($"{oldKey}");
-
-            if (oldGuestEntry != null)
-            {
-                archive.Add(new StreamZipEntryDataSource(archive, oldGuestEntry), $"{newKey}", CompressionMethod.Deflated);
-                archive.Delete(oldGuestEntry);
-            }
-        }
-
-        /// <summary>
-        /// Recompute all the hashes of a given cache.
-        /// </summary>
-        /// <param name="guestBaseCacheDirectory">The guest cache directory path</param>
-        /// <param name="hostBaseCacheDirectory">The host cache directory path</param>
-        /// <param name="graphicsApi">The graphics api in use</param>
-        /// <param name="hashType">The hash type in use</param>
-        /// <param name="newVersion">The version to write in the host and guest manifest after migration</param>
-        private static void RecomputeHashes(string guestBaseCacheDirectory, string hostBaseCacheDirectory, CacheGraphicsApi graphicsApi, CacheHashType hashType, ulong newVersion)
-        {
-            string guestManifestPath = CacheHelper.GetManifestPath(guestBaseCacheDirectory);
-            string hostManifestPath = CacheHelper.GetManifestPath(hostBaseCacheDirectory);
-
-            if (CacheHelper.TryReadManifestFile(guestManifestPath, CacheGraphicsApi.Guest, hashType, out _, out HashSet<Hash128> guestEntries))
-            {
-                CacheHelper.TryReadManifestFile(hostManifestPath, graphicsApi, hashType, out _, out HashSet<Hash128> hostEntries);
-
-                Logger.Info?.Print(LogClass.Gpu, "Shader cache hashes need to be recomputed, performing migration...");
-
-                string guestArchivePath = CacheHelper.GetArchivePath(guestBaseCacheDirectory);
-                string hostArchivePath = CacheHelper.GetArchivePath(hostBaseCacheDirectory);
-
-                ZipFile guestArchive = new ZipFile(File.Open(guestArchivePath, FileMode.OpenOrCreate, FileAccess.ReadWrite, FileShare.None));
-                ZipFile hostArchive = new ZipFile(File.Open(hostArchivePath, FileMode.OpenOrCreate, FileAccess.ReadWrite, FileShare.None));
-
-                CacheHelper.EnsureArchiveUpToDate(guestBaseCacheDirectory, guestArchive, guestEntries);
-                CacheHelper.EnsureArchiveUpToDate(hostBaseCacheDirectory, hostArchive, hostEntries);
-
-                int programIndex = 0;
-
-                HashSet<Hash128> newEntries = new HashSet<Hash128>();
-
-                foreach (Hash128 oldHash in guestEntries)
-                {
-                    byte[] guestProgram = CacheHelper.ReadFromArchive(guestArchive, oldHash);
-
-                    Logger.Info?.Print(LogClass.Gpu, $"Migrating shader {oldHash} ({programIndex + 1} / {guestEntries.Count})");
-
-                    if (guestProgram != null)
-                    {
-                        ReadOnlySpan<byte> guestProgramReadOnlySpan = guestProgram;
-
-                        ReadOnlySpan<GuestShaderCacheEntry> cachedShaderEntries = GuestShaderCacheEntry.Parse(ref guestProgramReadOnlySpan, out GuestShaderCacheHeader fileHeader);
-
-                        TransformFeedbackDescriptor[] tfd = CacheHelper.ReadTransformFeedbackInformation(ref guestProgramReadOnlySpan, fileHeader);
-
-                        Hash128 newHash = CacheHelper.ComputeGuestHashFromCache(cachedShaderEntries, tfd);
-
-                        if (newHash != oldHash)
-                        {
-                            MoveEntry(guestArchive, oldHash, newHash);
-                            MoveEntry(hostArchive, oldHash, newHash);
-                        }
-                        else
-                        {
-                            Logger.Warning?.Print(LogClass.Gpu, $"Same hashes for shader {oldHash}");
-                        }
-
-                        newEntries.Add(newHash);
-                    }
-
-                    programIndex++;
-                }
-
-                byte[] newGuestManifestContent = CacheHelper.ComputeManifest(newVersion, CacheGraphicsApi.Guest, hashType, newEntries);
-                byte[] newHostManifestContent = CacheHelper.ComputeManifest(newVersion, graphicsApi, hashType, newEntries);
-
-                File.WriteAllBytes(guestManifestPath, newGuestManifestContent);
-                File.WriteAllBytes(hostManifestPath, newHostManifestContent);
-
-                guestArchive.CommitUpdate();
-                hostArchive.CommitUpdate();
-
-                guestArchive.Close();
-                hostArchive.Close();
-            }
-        }
-
-        /// <summary>
-        /// Check and run cache migration if needed.
-        /// </summary>
-        /// <param name="baseCacheDirectory">The base path of the cache</param>
-        /// <param name="graphicsApi">The graphics api in use</param>
-        /// <param name="hashType">The hash type in use</param>
-        /// <param name="shaderProvider">The shader provider name of the cache</param>
-        public static void Run(string baseCacheDirectory, CacheGraphicsApi graphicsApi, CacheHashType hashType, string shaderProvider)
-        {
-            string guestBaseCacheDirectory = CacheHelper.GenerateCachePath(baseCacheDirectory, CacheGraphicsApi.Guest, "", "program");
-            string hostBaseCacheDirectory = CacheHelper.GenerateCachePath(baseCacheDirectory, graphicsApi, shaderProvider, "host");
-
-            string guestArchivePath = CacheHelper.GetArchivePath(guestBaseCacheDirectory);
-            string hostArchivePath = CacheHelper.GetArchivePath(hostBaseCacheDirectory);
-
-            bool isReadOnly = CacheHelper.IsArchiveReadOnly(guestArchivePath) || CacheHelper.IsArchiveReadOnly(hostArchivePath);
-
-            if (!isReadOnly && CacheHelper.TryReadManifestHeader(CacheHelper.GetManifestPath(guestBaseCacheDirectory), out CacheManifestHeader header))
-            {
-                if (NeedHashRecompute(header.Version, out ulong newVersion))
-                {
-                    RecomputeHashes(guestBaseCacheDirectory, hostBaseCacheDirectory, graphicsApi, hashType, newVersion);
-                }
-            }
-        }
-    }
-}