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62 lines
1.4 KiB
C#
62 lines
1.4 KiB
C#
using System.Collections;
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using System.Collections.Generic;
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namespace Ryujinx.Graphics.Gpu.Image
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{
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class AutoDeleteCache : IEnumerable<Texture>
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{
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private const int MaxCapacity = 2048;
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private LinkedList<Texture> _textures;
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public AutoDeleteCache()
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{
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_textures = new LinkedList<Texture>();
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}
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public void Add(Texture texture)
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{
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texture.IncrementReferenceCount();
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texture.CacheNode = _textures.AddLast(texture);
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if (_textures.Count > MaxCapacity)
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{
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Texture oldestTexture = _textures.First.Value;
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_textures.RemoveFirst();
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oldestTexture.DecrementReferenceCount();
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oldestTexture.CacheNode = null;
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}
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}
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public void Lift(Texture texture)
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{
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if (texture.CacheNode != null)
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{
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if (texture.CacheNode != _textures.Last)
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{
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_textures.Remove(texture.CacheNode);
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texture.CacheNode = _textures.AddLast(texture);
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}
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}
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else
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{
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Add(texture);
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}
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}
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public IEnumerator<Texture> GetEnumerator()
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{
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return _textures.GetEnumerator();
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}
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IEnumerator IEnumerable.GetEnumerator()
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{
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return _textures.GetEnumerator();
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}
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}
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} |