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Add short duration texture cache (#3754)

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* Add short duration texture cache

This texture cache takes textures that lose their last pool reference and keeps them alive until the next frame, or until an incompatible overlap removes it. This is done since under certain circumstances, a texture's reference can be wiped from a pool despite it still being in use - though typically the reference will return when rendering the next frame.

While this may slightly increase texture memory usage when quickly going through a bunch of temporary textures, it's still bounded due to the overlap removal rule.

This greatly increases performance in Hyrule Warriors: Age of Calamity. It may positively affect some UE4 games which dip framerate severely under certain circumstances.

* Small optimization

* Don't forget this.

* Add short cache dictionary

* Address feedback

* Address some feedback
This commit is contained in:
riperiperi
2023-01-17 03:39:46 +00:00
committed by GitHub
parent e68650237d
commit f0e27a23a5
7 changed files with 228 additions and 11 deletions
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26
Ryujinx.Graphics.Gpu/Image/Texture.cs
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@ -138,6 +138,10 @@ namespace Ryujinx.Graphics.Gpu.Image
public LinkedListNode<Texture> CacheNode { get; set; }
/// <summary>
/// Entry for this texture in the short duration cache, if present.
/// </summary>
public ShortTextureCacheEntry ShortCacheEntry { get; set; }
/// Physical memory ranges where the texture data is located.
/// </summary>
public MultiRange Range { get; private set; }
@ -1555,6 +1559,20 @@ namespace Ryujinx.Graphics.Gpu.Image
_poolOwners.Add(new TexturePoolOwner { Pool = pool, ID = id });
}
_referenceCount++;
if (ShortCacheEntry != null)
{
_physicalMemory.TextureCache.RemoveShortCache(this);
}
}
/// <summary>
/// Indicates that the texture has one reference left, and will delete on reference decrement.
/// </summary>
/// <returns>True if there is one reference remaining, false otherwise</returns>
public bool HasOneReference()
{
return _referenceCount == 1;
}
/// <summary>
@ -1624,6 +1642,14 @@ namespace Ryujinx.Graphics.Gpu.Image
_poolOwners.Clear();
}
if (ShortCacheEntry != null && _context.IsGpuThread())
{
// If this is called from another thread (unmapped), the short cache will
// have to remove this texture on a future tick.
_physicalMemory.TextureCache.RemoveShortCache(this);
}
InvalidatedSequence++;
}