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Limit texture cache based on total texture size (#4350)

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* Limit texture cache based on total texture size

* Formatting
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gdkchan 2023-02-08 10:19:43 -03:00 • committed by GitHub
parent 96cf242bcf
commit 26bf13a65d
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GPG key ID: 4AEE18F83AFDEB23
4 changed files with 40 additions and 84 deletions
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78
Ryujinx.Graphics.Gpu/Image/AutoDeleteCache.cs
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@ -33,10 +33,12 @@ namespace Ryujinx.Graphics.Gpu.Image
/// </summary>
class AutoDeleteCache : IEnumerable<Texture>
{
private const int MinCountForDeletion = 32;
private const int MaxCapacity = 2048;
private const ulong MaxTextureSizeCapacity = 512 * 1024 * 1024; // MB;
private readonly LinkedList<Texture> _textures;
private readonly ConcurrentQueue<Texture> _deferredRemovals;
private ulong _totalSize;
private HashSet<ShortTextureCacheEntry> _shortCacheBuilder;
private HashSet<ShortTextureCacheEntry> _shortCache;
@ -49,7 +51,6 @@ namespace Ryujinx.Graphics.Gpu.Image
public AutoDeleteCache()
{
_textures = new LinkedList<Texture>();
_deferredRemovals = new ConcurrentQueue<Texture>();
_shortCacheBuilder = new HashSet<ShortTextureCacheEntry>();
_shortCache = new HashSet<ShortTextureCacheEntry>();
@ -67,37 +68,15 @@ namespace Ryujinx.Graphics.Gpu.Image
/// <param name="texture">The texture to be added to the cache</param>
public void Add(Texture texture)
{
texture.IncrementReferenceCount();
_totalSize += texture.Size;
texture.IncrementReferenceCount();
texture.CacheNode = _textures.AddLast(texture);
if (_textures.Count > MaxCapacity)
if (_textures.Count > MaxCapacity ||
(_totalSize > MaxTextureSizeCapacity && _textures.Count >= MinCountForDeletion))
{
Texture oldestTexture = _textures.First.Value;
if (!oldestTexture.CheckModified(false))
{
// The texture must be flushed if it falls out of the auto delete cache.
// Flushes out of the auto delete cache do not trigger write tracking,
// as it is expected that other overlapping textures exist that have more up-to-date contents.
oldestTexture.Group.SynchronizeDependents(oldestTexture);
oldestTexture.FlushModified(false);
}
_textures.RemoveFirst();
oldestTexture.DecrementReferenceCount();
oldestTexture.CacheNode = null;
}
if (_deferredRemovals.Count > 0)
{
while (_deferredRemovals.TryDequeue(out Texture textureToRemove))
{
Remove(textureToRemove, false);
}
RemoveLeastUsedTexture();
}
}
@ -120,6 +99,11 @@ namespace Ryujinx.Graphics.Gpu.Image
texture.CacheNode = _textures.AddLast(texture);
}
if (_totalSize > MaxTextureSizeCapacity && _textures.Count >= MinCountForDeletion)
{
RemoveLeastUsedTexture();
}
}
else
{
@ -127,6 +111,31 @@ namespace Ryujinx.Graphics.Gpu.Image
}
}
/// <summary>
/// Removes the least used texture from the cache.
/// </summary>
private void RemoveLeastUsedTexture()
{
Texture oldestTexture = _textures.First.Value;
_totalSize -= oldestTexture.Size;
if (!oldestTexture.CheckModified(false))
{
// The texture must be flushed if it falls out of the auto delete cache.
// Flushes out of the auto delete cache do not trigger write tracking,
// as it is expected that other overlapping textures exist that have more up-to-date contents.
oldestTexture.Group.SynchronizeDependents(oldestTexture);
oldestTexture.FlushModified(false);
}
_textures.RemoveFirst();
oldestTexture.DecrementReferenceCount();
oldestTexture.CacheNode = null;
}
/// <summary>
/// Removes a texture from the cache.
/// </summary>
@ -148,20 +157,13 @@ namespace Ryujinx.Graphics.Gpu.Image
_textures.Remove(texture.CacheNode);
_totalSize -= texture.Size;
texture.CacheNode = null;
return texture.DecrementReferenceCount();
}
/// <summary>
/// Queues removal of a texture from the cache in a thread safe way.
/// </summary>
/// <param name="texture">The texture to be removed from the cache</param>
public void RemoveDeferred(Texture texture)
{
_deferredRemovals.Enqueue(texture);
}
/// <summary>
/// Attempt to find a texture on the short duration cache.
/// </summary>