diff options
| author | TSR Berry <20988865+TSRBerry@users.noreply.github.com> | 2023-04-08 01:22:00 +0200 |
|---|---|---|
| committer | Mary <thog@protonmail.com> | 2023-04-27 23:51:14 +0200 |
| commit | cee712105850ac3385cd0091a923438167433f9f (patch) | |
| tree | 4a5274b21d8b7f938c0d0ce18736d3f2993b11b1 /Ryujinx.Graphics.Gpu/Image/PoolCache.cs | |
| parent | cd124bda587ef09668a971fa1cac1c3f0cfc9f21 (diff) | |
Move solution and projects to src
Diffstat (limited to 'Ryujinx.Graphics.Gpu/Image/PoolCache.cs')
| -rw-r--r-- | Ryujinx.Graphics.Gpu/Image/PoolCache.cs | 129 |
1 files changed, 0 insertions, 129 deletions
diff --git a/Ryujinx.Graphics.Gpu/Image/PoolCache.cs b/Ryujinx.Graphics.Gpu/Image/PoolCache.cs deleted file mode 100644 index e1493f38..00000000 --- a/Ryujinx.Graphics.Gpu/Image/PoolCache.cs +++ /dev/null @@ -1,129 +0,0 @@ -using System; -using System.Collections.Generic; - -namespace Ryujinx.Graphics.Gpu.Image -{ - /// <summary> - /// Resource pool interface. - /// </summary> - /// <typeparam name="T">Resource pool type</typeparam> - interface IPool<T> - { - /// <summary> - /// Start address of the pool in memory. - /// </summary> - ulong Address { get; } - - /// <summary> - /// Linked list node used on the texture pool cache. - /// </summary> - LinkedListNode<T> CacheNode { get; set; } - - /// <summary> - /// Timestamp set on the last use of the pool by the cache. - /// </summary> - ulong CacheTimestamp { get; set; } - } - - /// <summary> - /// Pool cache. - /// This can keep multiple pools, and return the current one as needed. - /// </summary> - abstract class PoolCache<T> : IDisposable where T : IPool<T>, IDisposable - { - private const int MaxCapacity = 2; - private const ulong MinDeltaForRemoval = 20000; - - private readonly GpuContext _context; - private readonly LinkedList<T> _pools; - private ulong _currentTimestamp; - - /// <summary> - /// Constructs a new instance of the pool. - /// </summary> - /// <param name="context">GPU context that the texture pool belongs to</param> - public PoolCache(GpuContext context) - { - _context = context; - _pools = new LinkedList<T>(); - } - - /// <summary> - /// Increments the internal timestamp of the cache that is used to decide when old resources will be deleted. - /// </summary> - public void Tick() - { - _currentTimestamp++; - } - - /// <summary> - /// Finds a cache texture pool, or creates a new one if not found. - /// </summary> - /// <param name="channel">GPU channel that the texture pool cache belongs to</param> - /// <param name="address">Start address of the texture pool</param> - /// <param name="maximumId">Maximum ID of the texture pool</param> - /// <returns>The found or newly created texture pool</returns> - public T FindOrCreate(GpuChannel channel, ulong address, int maximumId) - { - // Remove old entries from the cache, if possible. - while (_pools.Count > MaxCapacity && (_currentTimestamp - _pools.First.Value.CacheTimestamp) >= MinDeltaForRemoval) - { - T oldestPool = _pools.First.Value; - - _pools.RemoveFirst(); - oldestPool.Dispose(); - oldestPool.CacheNode = null; - } - - T pool; - - // Try to find the pool on the cache. - for (LinkedListNode<T> node = _pools.First; node != null; node = node.Next) - { - pool = node.Value; - - if (pool.Address == address) - { - if (pool.CacheNode != _pools.Last) - { - _pools.Remove(pool.CacheNode); - - pool.CacheNode = _pools.AddLast(pool); - } - - pool.CacheTimestamp = _currentTimestamp; - - return pool; - } - } - - // If not found, create a new one. - pool = CreatePool(_context, channel, address, maximumId); - - pool.CacheNode = _pools.AddLast(pool); - pool.CacheTimestamp = _currentTimestamp; - - return pool; - } - - /// <summary> - /// Creates a new instance of the pool. - /// </summary> - /// <param name="context">GPU context that the pool belongs to</param> - /// <param name="channel">GPU channel that the pool belongs to</param> - /// <param name="address">Address of the pool in guest memory</param> - /// <param name="maximumId">Maximum ID of the pool (equal to maximum minus one)</param> - protected abstract T CreatePool(GpuContext context, GpuChannel channel, ulong address, int maximumId); - - public void Dispose() - { - foreach (T pool in _pools) - { - pool.Dispose(); - pool.CacheNode = null; - } - - _pools.Clear(); - } - } -}
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