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+using Ryujinx.Graphics.GAL;
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+using Ryujinx.Graphics.Gpu.Engine.Types;
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+using Ryujinx.Graphics.Gpu.Memory;
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+using Ryujinx.Graphics.Shader;
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+using System;
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+using System.Collections.Generic;
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+using System.Linq;
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+using System.Runtime.InteropServices;
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+
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+namespace Ryujinx.Graphics.Gpu.Image
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+{
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+ /// <summary>
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+ /// Texture bindings array cache.
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+ /// </summary>
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+ class TextureBindingsArrayCache
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+ {
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+ /// <summary>
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+ /// Minimum timestamp delta until texture array can be removed from the cache.
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+ /// </summary>
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+ private const int MinDeltaForRemoval = 20000;
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+
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+ private readonly GpuContext _context;
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+ private readonly GpuChannel _channel;
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+ private readonly bool _isCompute;
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+
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+ /// <summary>
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+ /// Array cache entry key.
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+ /// </summary>
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+ private readonly struct CacheEntryKey : IEquatable<CacheEntryKey>
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+ {
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+ /// <summary>
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+ /// Whether the entry is for an image.
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+ /// </summary>
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+ public readonly bool IsImage;
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+
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+ /// <summary>
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+ /// Texture or image target type.
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+ /// </summary>
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+ public readonly Target Target;
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+
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+ /// <summary>
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+ /// Word offset of the first handle on the constant buffer.
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+ /// </summary>
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+ public readonly int HandleIndex;
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+
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+ /// <summary>
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+ /// Number of entries of the array.
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+ /// </summary>
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+ public readonly int ArrayLength;
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+
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+ private readonly TexturePool _texturePool;
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+ private readonly SamplerPool _samplerPool;
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+
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+ private readonly BufferBounds _textureBufferBounds;
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+
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+ /// <summary>
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+ /// Creates a new array cache entry.
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+ /// </summary>
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+ /// <param name="isImage">Whether the entry is for an image</param>
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+ /// <param name="bindingInfo">Binding information for the array</param>
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+ /// <param name="texturePool">Texture pool where the array textures are located</param>
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+ /// <param name="samplerPool">Sampler pool where the array samplers are located</param>
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+ /// <param name="textureBufferBounds">Constant buffer bounds with the texture handles</param>
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+ public CacheEntryKey(
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+ bool isImage,
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+ TextureBindingInfo bindingInfo,
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+ TexturePool texturePool,
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+ SamplerPool samplerPool,
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+ ref BufferBounds textureBufferBounds)
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+ {
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+ IsImage = isImage;
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+ Target = bindingInfo.Target;
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+ HandleIndex = bindingInfo.Handle;
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+ ArrayLength = bindingInfo.ArrayLength;
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+
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+ _texturePool = texturePool;
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+ _samplerPool = samplerPool;
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+
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+ _textureBufferBounds = textureBufferBounds;
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+ }
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+
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+ /// <summary>
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+ /// Checks if the texture and sampler pools matches the cached pools.
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+ /// </summary>
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+ /// <param name="texturePool">Texture pool instance</param>
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+ /// <param name="samplerPool">Sampler pool instance</param>
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+ /// <returns>True if the pools match, false otherwise</returns>
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+ private bool MatchesPools(TexturePool texturePool, SamplerPool samplerPool)
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+ {
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+ return _texturePool == texturePool && _samplerPool == samplerPool;
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+ }
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+
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+ /// <summary>
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+ /// Checks if the cached constant buffer address and size matches.
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+ /// </summary>
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+ /// <param name="textureBufferBounds">New buffer address and size</param>
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+ /// <returns>True if the address and size matches, false otherwise</returns>
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+ private bool MatchesBufferBounds(BufferBounds textureBufferBounds)
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+ {
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+ return _textureBufferBounds.Equals(textureBufferBounds);
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+ }
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+
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+ public bool Equals(CacheEntryKey other)
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+ {
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+ return IsImage == other.IsImage &&
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+ Target == other.Target &&
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+ HandleIndex == other.HandleIndex &&
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+ ArrayLength == other.ArrayLength &&
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+ MatchesPools(other._texturePool, other._samplerPool) &&
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+ MatchesBufferBounds(other._textureBufferBounds);
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+ }
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+
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+ public override bool Equals(object obj)
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+ {
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+ return obj is CacheEntryKey other && Equals(other);
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+ }
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+
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+ public override int GetHashCode()
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+ {
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+ return _textureBufferBounds.Range.GetHashCode();
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+ }
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+ }
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+
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+ /// <summary>
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+ /// Array cache entry.
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+ /// </summary>
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+ private class CacheEntry
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+ {
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+ /// <summary>
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+ /// Key for this entry on the cache.
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+ /// </summary>
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+ public readonly CacheEntryKey Key;
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+
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+ /// <summary>
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+ /// Linked list node used on the texture bindings array cache.
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+ /// </summary>
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+ public LinkedListNode<CacheEntry> CacheNode;
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+
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+ /// <summary>
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+ /// Timestamp set on the last use of the array by the cache.
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+ /// </summary>
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+ public int CacheTimestamp;
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+
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+ /// <summary>
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+ /// All cached textures, along with their invalidated sequence number as value.
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+ /// </summary>
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+ public readonly Dictionary<Texture, int> Textures;
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+
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+ /// <summary>
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+ /// All pool texture IDs along with their textures.
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+ /// </summary>
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+ public readonly Dictionary<int, Texture> TextureIds;
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+
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+ /// <summary>
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+ /// All pool sampler IDs along with their samplers.
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+ /// </summary>
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+ public readonly Dictionary<int, Sampler> SamplerIds;
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+
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+ /// <summary>
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+ /// Backend texture array if the entry is for a texture, otherwise null.
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+ /// </summary>
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+ public readonly ITextureArray TextureArray;
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+
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+ /// <summary>
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+ /// Backend image array if the entry is for an image, otherwise null.
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+ /// </summary>
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+ public readonly IImageArray ImageArray;
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+
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+ private readonly TexturePool _texturePool;
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+ private readonly SamplerPool _samplerPool;
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+
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+ private int _texturePoolSequence;
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+ private int _samplerPoolSequence;
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+
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+ private int[] _cachedTextureBuffer;
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+ private int[] _cachedSamplerBuffer;
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+
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+ private int _lastSequenceNumber;
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+
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+ /// <summary>
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+ /// Creates a new array cache entry.
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+ /// </summary>
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+ /// <param name="key">Key for this entry on the cache</param>
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+ /// <param name="texturePool">Texture pool where the array textures are located</param>
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+ /// <param name="samplerPool">Sampler pool where the array samplers are located</param>
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+ private CacheEntry(ref CacheEntryKey key, TexturePool texturePool, SamplerPool samplerPool)
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+ {
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+ Key = key;
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+ Textures = new Dictionary<Texture, int>();
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+ TextureIds = new Dictionary<int, Texture>();
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+ SamplerIds = new Dictionary<int, Sampler>();
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+
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+ _texturePool = texturePool;
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+ _samplerPool = samplerPool;
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+
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+ _lastSequenceNumber = -1;
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+ }
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+
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+ /// <summary>
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+ /// Creates a new array cache entry.
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+ /// </summary>
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+ /// <param name="key">Key for this entry on the cache</param>
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+ /// <param name="array">Backend texture array</param>
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+ /// <param name="texturePool">Texture pool where the array textures are located</param>
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+ /// <param name="samplerPool">Sampler pool where the array samplers are located</param>
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+ public CacheEntry(ref CacheEntryKey key, ITextureArray array, TexturePool texturePool, SamplerPool samplerPool) : this(ref key, texturePool, samplerPool)
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+ {
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+ TextureArray = array;
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+ }
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+
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+ /// <summary>
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+ /// Creates a new array cache entry.
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+ /// </summary>
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+ /// <param name="key">Key for this entry on the cache</param>
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+ /// <param name="array">Backend image array</param>
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+ /// <param name="texturePool">Texture pool where the array textures are located</param>
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+ /// <param name="samplerPool">Sampler pool where the array samplers are located</param>
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+ public CacheEntry(ref CacheEntryKey key, IImageArray array, TexturePool texturePool, SamplerPool samplerPool) : this(ref key, texturePool, samplerPool)
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+ {
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+ ImageArray = array;
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+ }
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+
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+ /// <summary>
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+ /// Synchronizes memory for all textures in the array.
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+ /// </summary>
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+ /// <param name="isStore">Indicates if the texture may be modified by the access</param>
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+ public void SynchronizeMemory(bool isStore)
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+ {
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+ foreach (Texture texture in Textures.Keys)
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+ {
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+ texture.SynchronizeMemory();
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+
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+ if (isStore)
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+ {
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+ texture.SignalModified();
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+ }
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+ }
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+ }
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+
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+ /// <summary>
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+ /// Clears all cached texture instances.
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+ /// </summary>
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+ public void Reset()
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+ {
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+ Textures.Clear();
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+ TextureIds.Clear();
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+ SamplerIds.Clear();
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+ }
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+
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+ /// <summary>
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+ /// Updates the cached constant buffer data.
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+ /// </summary>
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+ /// <param name="cachedTextureBuffer">Constant buffer data with the texture handles (and sampler handles, if they are combined)</param>
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+ /// <param name="cachedSamplerBuffer">Constant buffer data with the sampler handles</param>
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+ /// <param name="separateSamplerBuffer">Whether <paramref name="cachedTextureBuffer"/> and <paramref name="cachedSamplerBuffer"/> comes from different buffers</param>
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+ public void UpdateData(ReadOnlySpan<int> cachedTextureBuffer, ReadOnlySpan<int> cachedSamplerBuffer, bool separateSamplerBuffer)
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+ {
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+ _cachedTextureBuffer = cachedTextureBuffer.ToArray();
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+ _cachedSamplerBuffer = separateSamplerBuffer ? cachedSamplerBuffer.ToArray() : _cachedTextureBuffer;
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+ }
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+
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+ /// <summary>
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+ /// Checks if any texture has been deleted since the last call to this method.
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+ /// </summary>
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+ /// <returns>True if one or more textures have been deleted, false otherwise</returns>
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+ public bool ValidateTextures()
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+ {
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+ foreach ((Texture texture, int invalidatedSequence) in Textures)
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+ {
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+ if (texture.InvalidatedSequence != invalidatedSequence)
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+ {
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+ return false;
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+ }
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+ }
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+
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+ return true;
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+ }
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+
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+ /// <summary>
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+ /// Checks if the cached texture or sampler pool has been modified since the last call to this method.
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+ /// </summary>
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+ /// <returns>True if any used entries of the pools might have been modified, false otherwise</returns>
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+ public bool PoolsModified()
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+ {
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+ bool texturePoolModified = _texturePool.WasModified(ref _texturePoolSequence);
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+ bool samplerPoolModified = _samplerPool.WasModified(ref _samplerPoolSequence);
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+
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+ // If both pools were not modified since the last check, we have nothing else to check.
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+ if (!texturePoolModified && !samplerPoolModified)
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+ {
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+ return false;
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+ }
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+
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+ // If the pools were modified, let's check if any of the entries we care about changed.
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+
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+ // Check if any of our cached textures changed on the pool.
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+ foreach ((int textureId, Texture texture) in TextureIds)
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+ {
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+ if (_texturePool.GetCachedItem(textureId) != texture)
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+ {
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+ return true;
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+ }
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+ }
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+
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+ // Check if any of our cached samplers changed on the pool.
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+ foreach ((int samplerId, Sampler sampler) in SamplerIds)
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+ {
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+ if (_samplerPool.GetCachedItem(samplerId) != sampler)
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+ {
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+ return true;
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+ }
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+ }
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+
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+ return false;
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+ }
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+
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+ /// <summary>
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+ /// Checks if the sequence number matches the one used on the last call to this method.
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+ /// </summary>
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+ /// <param name="currentSequenceNumber">Current sequence number</param>
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+ /// <returns>True if the sequence numbers match, false otherwise</returns>
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+ public bool MatchesSequenceNumber(int currentSequenceNumber)
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+ {
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+ if (_lastSequenceNumber == currentSequenceNumber)
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+ {
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+ return true;
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+ }
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+
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+ _lastSequenceNumber = currentSequenceNumber;
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+
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+ return false;
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+ }
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+
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+ /// <summary>
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+ /// Checks if the buffer data matches the cached data.
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+ /// </summary>
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+ /// <param name="cachedTextureBuffer">New texture buffer data</param>
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+ /// <param name="cachedSamplerBuffer">New sampler buffer data</param>
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+ /// <param name="separateSamplerBuffer">Whether <paramref name="cachedTextureBuffer"/> and <paramref name="cachedSamplerBuffer"/> comes from different buffers</param>
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+ /// <param name="samplerWordOffset">Word offset of the sampler constant buffer handle that is used</param>
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+ /// <returns>True if the data matches, false otherwise</returns>
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+ public bool MatchesBufferData(
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+ ReadOnlySpan<int> cachedTextureBuffer,
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+ ReadOnlySpan<int> cachedSamplerBuffer,
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+ bool separateSamplerBuffer,
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+ int samplerWordOffset)
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+ {
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+ if (_cachedTextureBuffer != null && cachedTextureBuffer.Length > _cachedTextureBuffer.Length)
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+ {
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+ cachedTextureBuffer = cachedTextureBuffer[.._cachedTextureBuffer.Length];
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+ }
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+
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+ if (!_cachedTextureBuffer.AsSpan().SequenceEqual(cachedTextureBuffer))
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+ {
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+ return false;
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+ }
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+
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+ if (separateSamplerBuffer)
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+ {
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+ if (_cachedSamplerBuffer == null ||
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+ _cachedSamplerBuffer.Length <= samplerWordOffset ||
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+ cachedSamplerBuffer.Length <= samplerWordOffset)
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+ {
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+ return false;
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+ }
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+
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+ int oldValue = _cachedSamplerBuffer[samplerWordOffset];
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+ int newValue = cachedSamplerBuffer[samplerWordOffset];
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+
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+ return oldValue == newValue;
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+ }
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+
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+ return true;
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+ }
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+ }
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+
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+ private readonly Dictionary<CacheEntryKey, CacheEntry> _cache;
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+ private readonly LinkedList<CacheEntry> _lruCache;
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+
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+ private int _currentTimestamp;
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+
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+ /// <summary>
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+ /// Creates a new instance of the texture bindings array cache.
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+ /// </summary>
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+ /// <param name="context">GPU context</param>
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+ /// <param name="channel">GPU channel</param>
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+ /// <param name="isCompute">Whether the bindings will be used for compute or graphics pipelines</param>
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+ public TextureBindingsArrayCache(GpuContext context, GpuChannel channel, bool isCompute)
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+ {
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+ _context = context;
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+ _channel = channel;
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+ _isCompute = isCompute;
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+ _cache = new Dictionary<CacheEntryKey, CacheEntry>();
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+ _lruCache = new LinkedList<CacheEntry>();
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+ }
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+
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+ /// <summary>
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+ /// Updates a texture array bindings and textures.
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+ /// </summary>
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+ /// <param name="texturePool">Texture pool</param>
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+ /// <param name="samplerPool">Sampler pool</param>
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+ /// <param name="stage">Shader stage where the array is used</param>
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+ /// <param name="stageIndex">Shader stage index where the array is used</param>
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+ /// <param name="textureBufferIndex">Texture constant buffer index</param>
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+ /// <param name="samplerIndex">Sampler handles source</param>
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+ /// <param name="bindingInfo">Array binding information</param>
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+ public void UpdateTextureArray(
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+ TexturePool texturePool,
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+ SamplerPool samplerPool,
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+ ShaderStage stage,
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+ int stageIndex,
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+ int textureBufferIndex,
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+ SamplerIndex samplerIndex,
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+ TextureBindingInfo bindingInfo)
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+ {
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+ Update(texturePool, samplerPool, stage, stageIndex, textureBufferIndex, isImage: false, samplerIndex, bindingInfo);
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+ }
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+
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+ /// <summary>
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+ /// Updates a image array bindings and textures.
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+ /// </summary>
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+ /// <param name="texturePool">Texture pool</param>
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+ /// <param name="stage">Shader stage where the array is used</param>
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+ /// <param name="stageIndex">Shader stage index where the array is used</param>
|
|
|
+ /// <param name="textureBufferIndex">Texture constant buffer index</param>
|
|
|
+ /// <param name="bindingInfo">Array binding information</param>
|
|
|
+ public void UpdateImageArray(TexturePool texturePool, ShaderStage stage, int stageIndex, int textureBufferIndex, TextureBindingInfo bindingInfo)
|
|
|
+ {
|
|
|
+ Update(texturePool, null, stage, stageIndex, textureBufferIndex, isImage: true, SamplerIndex.ViaHeaderIndex, bindingInfo);
|
|
|
+ }
|
|
|
+
|
|
|
+ /// <summary>
|
|
|
+ /// Updates a texture or image array bindings and textures.
|
|
|
+ /// </summary>
|
|
|
+ /// <param name="texturePool">Texture pool</param>
|
|
|
+ /// <param name="samplerPool">Sampler pool</param>
|
|
|
+ /// <param name="stage">Shader stage where the array is used</param>
|
|
|
+ /// <param name="stageIndex">Shader stage index where the array is used</param>
|
|
|
+ /// <param name="textureBufferIndex">Texture constant buffer index</param>
|
|
|
+ /// <param name="isImage">Whether the array is a image or texture array</param>
|
|
|
+ /// <param name="samplerIndex">Sampler handles source</param>
|
|
|
+ /// <param name="bindingInfo">Array binding information</param>
|
|
|
+ private void Update(
|
|
|
+ TexturePool texturePool,
|
|
|
+ SamplerPool samplerPool,
|
|
|
+ ShaderStage stage,
|
|
|
+ int stageIndex,
|
|
|
+ int textureBufferIndex,
|
|
|
+ bool isImage,
|
|
|
+ SamplerIndex samplerIndex,
|
|
|
+ TextureBindingInfo bindingInfo)
|
|
|
+ {
|
|
|
+ (textureBufferIndex, int samplerBufferIndex) = TextureHandle.UnpackSlots(bindingInfo.CbufSlot, textureBufferIndex);
|
|
|
+
|
|
|
+ bool separateSamplerBuffer = textureBufferIndex != samplerBufferIndex;
|
|
|
+
|
|
|
+ ref BufferBounds textureBufferBounds = ref _channel.BufferManager.GetUniformBufferBounds(_isCompute, stageIndex, textureBufferIndex);
|
|
|
+ ref BufferBounds samplerBufferBounds = ref _channel.BufferManager.GetUniformBufferBounds(_isCompute, stageIndex, samplerBufferIndex);
|
|
|
+
|
|
|
+ CacheEntry entry = GetOrAddEntry(
|
|
|
+ texturePool,
|
|
|
+ samplerPool,
|
|
|
+ bindingInfo,
|
|
|
+ isImage,
|
|
|
+ ref textureBufferBounds,
|
|
|
+ out bool isNewEntry);
|
|
|
+
|
|
|
+ bool poolsModified = entry.PoolsModified();
|
|
|
+ bool isStore = bindingInfo.Flags.HasFlag(TextureUsageFlags.ImageStore);
|
|
|
+
|
|
|
+ ReadOnlySpan<int> cachedTextureBuffer;
|
|
|
+ ReadOnlySpan<int> cachedSamplerBuffer;
|
|
|
+
|
|
|
+ if (!poolsModified && !isNewEntry && entry.ValidateTextures())
|
|
|
+ {
|
|
|
+ if (entry.MatchesSequenceNumber(_context.SequenceNumber))
|
|
|
+ {
|
|
|
+ entry.SynchronizeMemory(isStore);
|
|
|
+
|
|
|
+ if (isImage)
|
|
|
+ {
|
|
|
+ _context.Renderer.Pipeline.SetImageArray(stage, bindingInfo.Binding, entry.ImageArray);
|
|
|
+ }
|
|
|
+ else
|
|
|
+ {
|
|
|
+ _context.Renderer.Pipeline.SetTextureArray(stage, bindingInfo.Binding, entry.TextureArray);
|
|
|
+ }
|
|
|
+
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ cachedTextureBuffer = MemoryMarshal.Cast<byte, int>(_channel.MemoryManager.Physical.GetSpan(textureBufferBounds.Range));
|
|
|
+
|
|
|
+ if (separateSamplerBuffer)
|
|
|
+ {
|
|
|
+ cachedSamplerBuffer = MemoryMarshal.Cast<byte, int>(_channel.MemoryManager.Physical.GetSpan(samplerBufferBounds.Range));
|
|
|
+ }
|
|
|
+ else
|
|
|
+ {
|
|
|
+ cachedSamplerBuffer = cachedTextureBuffer;
|
|
|
+ }
|
|
|
+
|
|
|
+ (_, int samplerWordOffset, _) = TextureHandle.UnpackOffsets(bindingInfo.Handle);
|
|
|
+
|
|
|
+ if (entry.MatchesBufferData(cachedTextureBuffer, cachedSamplerBuffer, separateSamplerBuffer, samplerWordOffset))
|
|
|
+ {
|
|
|
+ entry.SynchronizeMemory(isStore);
|
|
|
+
|
|
|
+ if (isImage)
|
|
|
+ {
|
|
|
+ _context.Renderer.Pipeline.SetImageArray(stage, bindingInfo.Binding, entry.ImageArray);
|
|
|
+ }
|
|
|
+ else
|
|
|
+ {
|
|
|
+ _context.Renderer.Pipeline.SetTextureArray(stage, bindingInfo.Binding, entry.TextureArray);
|
|
|
+ }
|
|
|
+
|
|
|
+ return;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ else
|
|
|
+ {
|
|
|
+ cachedTextureBuffer = MemoryMarshal.Cast<byte, int>(_channel.MemoryManager.Physical.GetSpan(textureBufferBounds.Range));
|
|
|
+
|
|
|
+ if (separateSamplerBuffer)
|
|
|
+ {
|
|
|
+ cachedSamplerBuffer = MemoryMarshal.Cast<byte, int>(_channel.MemoryManager.Physical.GetSpan(samplerBufferBounds.Range));
|
|
|
+ }
|
|
|
+ else
|
|
|
+ {
|
|
|
+ cachedSamplerBuffer = cachedTextureBuffer;
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ if (!isNewEntry)
|
|
|
+ {
|
|
|
+ entry.Reset();
|
|
|
+ }
|
|
|
+
|
|
|
+ entry.UpdateData(cachedTextureBuffer, cachedSamplerBuffer, separateSamplerBuffer);
|
|
|
+
|
|
|
+ Format[] formats = isImage ? new Format[bindingInfo.ArrayLength] : null;
|
|
|
+ ISampler[] samplers = isImage ? null : new ISampler[bindingInfo.ArrayLength];
|
|
|
+ ITexture[] textures = new ITexture[bindingInfo.ArrayLength];
|
|
|
+
|
|
|
+ for (int index = 0; index < bindingInfo.ArrayLength; index++)
|
|
|
+ {
|
|
|
+ int handleIndex = bindingInfo.Handle + index * (Constants.TextureHandleSizeInBytes / sizeof(int));
|
|
|
+ int packedId = TextureHandle.ReadPackedId(handleIndex, cachedTextureBuffer, cachedSamplerBuffer);
|
|
|
+ int textureId = TextureHandle.UnpackTextureId(packedId);
|
|
|
+ int samplerId;
|
|
|
+
|
|
|
+ if (samplerIndex == SamplerIndex.ViaHeaderIndex)
|
|
|
+ {
|
|
|
+ samplerId = textureId;
|
|
|
+ }
|
|
|
+ else
|
|
|
+ {
|
|
|
+ samplerId = TextureHandle.UnpackSamplerId(packedId);
|
|
|
+ }
|
|
|
+
|
|
|
+ ref readonly TextureDescriptor descriptor = ref texturePool.GetForBinding(textureId, out Texture texture);
|
|
|
+
|
|
|
+ if (texture != null)
|
|
|
+ {
|
|
|
+ entry.Textures[texture] = texture.InvalidatedSequence;
|
|
|
+
|
|
|
+ if (isStore)
|
|
|
+ {
|
|
|
+ texture.SignalModified();
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ Sampler sampler = samplerPool?.Get(samplerId);
|
|
|
+
|
|
|
+ entry.TextureIds[textureId] = texture;
|
|
|
+ entry.SamplerIds[samplerId] = sampler;
|
|
|
+
|
|
|
+ ITexture hostTexture = texture?.GetTargetTexture(bindingInfo.Target);
|
|
|
+ ISampler hostSampler = sampler?.GetHostSampler(texture);
|
|
|
+
|
|
|
+ Format format = bindingInfo.Format;
|
|
|
+
|
|
|
+ if (hostTexture != null && texture.Target == Target.TextureBuffer)
|
|
|
+ {
|
|
|
+ // Ensure that the buffer texture is using the correct buffer as storage.
|
|
|
+ // Buffers are frequently re-created to accommodate larger data, so we need to re-bind
|
|
|
+ // to ensure we're not using a old buffer that was already deleted.
|
|
|
+ if (isImage)
|
|
|
+ {
|
|
|
+ if (format == 0 && texture != null)
|
|
|
+ {
|
|
|
+ format = texture.Format;
|
|
|
+ }
|
|
|
+
|
|
|
+ _channel.BufferManager.SetBufferTextureStorage(entry.ImageArray, hostTexture, texture.Range, bindingInfo, index, format);
|
|
|
+ }
|
|
|
+ else
|
|
|
+ {
|
|
|
+ _channel.BufferManager.SetBufferTextureStorage(entry.TextureArray, hostTexture, texture.Range, bindingInfo, index, format);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ else if (isImage)
|
|
|
+ {
|
|
|
+ if (format == 0 && texture != null)
|
|
|
+ {
|
|
|
+ format = texture.Format;
|
|
|
+ }
|
|
|
+
|
|
|
+ formats[index] = format;
|
|
|
+ textures[index] = hostTexture;
|
|
|
+ }
|
|
|
+ else
|
|
|
+ {
|
|
|
+ samplers[index] = hostSampler;
|
|
|
+ textures[index] = hostTexture;
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ if (isImage)
|
|
|
+ {
|
|
|
+ entry.ImageArray.SetFormats(0, formats);
|
|
|
+ entry.ImageArray.SetImages(0, textures);
|
|
|
+
|
|
|
+ _context.Renderer.Pipeline.SetImageArray(stage, bindingInfo.Binding, entry.ImageArray);
|
|
|
+ }
|
|
|
+ else
|
|
|
+ {
|
|
|
+ entry.TextureArray.SetSamplers(0, samplers);
|
|
|
+ entry.TextureArray.SetTextures(0, textures);
|
|
|
+
|
|
|
+ _context.Renderer.Pipeline.SetTextureArray(stage, bindingInfo.Binding, entry.TextureArray);
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ /// <summary>
|
|
|
+ /// Gets a cached texture entry, or creates a new one if not found.
|
|
|
+ /// </summary>
|
|
|
+ /// <param name="texturePool">Texture pool</param>
|
|
|
+ /// <param name="samplerPool">Sampler pool</param>
|
|
|
+ /// <param name="bindingInfo">Array binding information</param>
|
|
|
+ /// <param name="isImage">Whether the array is a image or texture array</param>
|
|
|
+ /// <param name="textureBufferBounds">Constant buffer bounds with the texture handles</param>
|
|
|
+ /// <param name="isNew">Whether a new entry was created, or an existing one was returned</param>
|
|
|
+ /// <returns>Cache entry</returns>
|
|
|
+ private CacheEntry GetOrAddEntry(
|
|
|
+ TexturePool texturePool,
|
|
|
+ SamplerPool samplerPool,
|
|
|
+ TextureBindingInfo bindingInfo,
|
|
|
+ bool isImage,
|
|
|
+ ref BufferBounds textureBufferBounds,
|
|
|
+ out bool isNew)
|
|
|
+ {
|
|
|
+ CacheEntryKey key = new CacheEntryKey(
|
|
|
+ isImage,
|
|
|
+ bindingInfo,
|
|
|
+ texturePool,
|
|
|
+ samplerPool,
|
|
|
+ ref textureBufferBounds);
|
|
|
+
|
|
|
+ isNew = !_cache.TryGetValue(key, out CacheEntry entry);
|
|
|
+
|
|
|
+ if (isNew)
|
|
|
+ {
|
|
|
+ int arrayLength = bindingInfo.ArrayLength;
|
|
|
+
|
|
|
+ if (isImage)
|
|
|
+ {
|
|
|
+ IImageArray array = _context.Renderer.CreateImageArray(arrayLength, bindingInfo.Target == Target.TextureBuffer);
|
|
|
+
|
|
|
+ _cache.Add(key, entry = new CacheEntry(ref key, array, texturePool, samplerPool));
|
|
|
+ }
|
|
|
+ else
|
|
|
+ {
|
|
|
+ ITextureArray array = _context.Renderer.CreateTextureArray(arrayLength, bindingInfo.Target == Target.TextureBuffer);
|
|
|
+
|
|
|
+ _cache.Add(key, entry = new CacheEntry(ref key, array, texturePool, samplerPool));
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ if (entry.CacheNode != null)
|
|
|
+ {
|
|
|
+ _lruCache.Remove(entry.CacheNode);
|
|
|
+ _lruCache.AddLast(entry.CacheNode);
|
|
|
+ }
|
|
|
+ else
|
|
|
+ {
|
|
|
+ entry.CacheNode = _lruCache.AddLast(entry);
|
|
|
+ }
|
|
|
+
|
|
|
+ entry.CacheTimestamp = ++_currentTimestamp;
|
|
|
+
|
|
|
+ RemoveLeastUsedEntries();
|
|
|
+
|
|
|
+ return entry;
|
|
|
+ }
|
|
|
+
|
|
|
+ /// <summary>
|
|
|
+ /// Remove entries from the cache that have not been used for some time.
|
|
|
+ /// </summary>
|
|
|
+ private void RemoveLeastUsedEntries()
|
|
|
+ {
|
|
|
+ LinkedListNode<CacheEntry> nextNode = _lruCache.First;
|
|
|
+
|
|
|
+ while (nextNode != null && _currentTimestamp - nextNode.Value.CacheTimestamp >= MinDeltaForRemoval)
|
|
|
+ {
|
|
|
+ LinkedListNode<CacheEntry> toRemove = nextNode;
|
|
|
+ nextNode = nextNode.Next;
|
|
|
+ _cache.Remove(toRemove.Value.Key);
|
|
|
+ _lruCache.Remove(toRemove);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+}
|