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salieri: Support read-only mode if archive is already opened (#1807)

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This improves shader cache resilience when people opens another program that touch the cache.zip.
This commit is contained in:
Mary
2020-12-13 08:46:07 +01:00
committed by GitHub
parent 19d18662ea
commit 6bc2733c17
5 changed files with 124 additions and 25 deletions
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7
Ryujinx.Graphics.Gpu/Shader/Cache/CacheMigration.cs
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@ -146,7 +146,12 @@ namespace Ryujinx.Graphics.Gpu.Shader.Cache
string guestBaseCacheDirectory = CacheHelper.GenerateCachePath(baseCacheDirectory, CacheGraphicsApi.Guest, "", "program");
string hostBaseCacheDirectory = CacheHelper.GenerateCachePath(baseCacheDirectory, graphicsApi, shaderProvider, "host");
if (CacheHelper.TryReadManifestHeader(CacheHelper.GetManifestPath(guestBaseCacheDirectory), out CacheManifestHeader header))
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))
{