1132 lines
42 KiB
C#
1132 lines
42 KiB
C#
using Ryujinx.Common;
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using Ryujinx.Common.Logging;
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using Ryujinx.Graphics.GAL;
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using Ryujinx.Graphics.Gpu.Memory;
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using Ryujinx.Graphics.Texture;
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using Ryujinx.Graphics.Texture.Astc;
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using System;
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using System.Collections.Generic;
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using System.Diagnostics;
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namespace Ryujinx.Graphics.Gpu.Image
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{
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/// <summary>
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/// Represents a cached GPU texture.
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/// </summary>
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class Texture : IRange, IDisposable
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{
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private GpuContext _context;
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private SizeInfo _sizeInfo;
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/// <summary>
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/// Texture format.
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/// </summary>
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public Format Format => Info.FormatInfo.Format;
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/// <summary>
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/// Texture information.
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/// </summary>
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public TextureInfo Info { get; private set; }
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/// <summary>
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/// Host scale factor.
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/// </summary>
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public float ScaleFactor { get; private set; }
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/// <summary>
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/// Upscaling mode. Informs if a texture is scaled, or is eligible for scaling.
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/// </summary>
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public TextureScaleMode ScaleMode { get; private set; }
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/// <summary>
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/// Set when a texture has been modified since it was last flushed.
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/// </summary>
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public bool IsModified { get; internal set; }
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private bool _everModified;
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private int _depth;
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private int _layers;
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private int _firstLayer;
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private int _firstLevel;
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private bool _hasData;
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private ITexture _arrayViewTexture;
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private Target _arrayViewTarget;
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private Texture _viewStorage;
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private List<Texture> _views;
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/// <summary>
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/// Host texture.
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/// </summary>
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public ITexture HostTexture { get; private set; }
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/// <summary>
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/// Intrusive linked list node used on the auto deletion texture cache.
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/// </summary>
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public LinkedListNode<Texture> CacheNode { get; set; }
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/// <summary>
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/// Event to fire when texture data is modified by the GPU.
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/// </summary>
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public event Action<Texture> Modified;
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/// <summary>
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/// Event to fire when texture data is disposed.
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/// </summary>
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public event Action<Texture> Disposed;
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/// <summary>
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/// Start address of the texture in guest memory.
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/// </summary>
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public ulong Address => Info.Address;
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/// <summary>
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/// End address of the texture in guest memory.
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/// </summary>
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public ulong EndAddress => Info.Address + Size;
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/// <summary>
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/// Texture size in bytes.
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/// </summary>
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public ulong Size => (ulong)_sizeInfo.TotalSize;
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private (ulong, ulong)[] _modifiedRanges;
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private int _referenceCount;
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private int _sequenceNumber;
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/// <summary>
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/// Constructs a new instance of the cached GPU texture.
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/// </summary>
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/// <param name="context">GPU context that the texture belongs to</param>
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/// <param name="info">Texture information</param>
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/// <param name="sizeInfo">Size information of the texture</param>
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/// <param name="firstLayer">The first layer of the texture, or 0 if the texture has no parent</param>
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/// <param name="firstLevel">The first mipmap level of the texture, or 0 if the texture has no parent</param>
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/// <param name="scaleFactor">The floating point scale factor to initialize with</param>
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/// <param name="scaleMode">The scale mode to initialize with</param>
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private Texture(
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GpuContext context,
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TextureInfo info,
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SizeInfo sizeInfo,
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int firstLayer,
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int firstLevel,
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float scaleFactor,
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TextureScaleMode scaleMode)
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{
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InitializeTexture(context, info, sizeInfo);
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_firstLayer = firstLayer;
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_firstLevel = firstLevel;
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ScaleFactor = scaleFactor;
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ScaleMode = scaleMode;
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InitializeData(true);
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}
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/// <summary>
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/// Constructs a new instance of the cached GPU texture.
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/// </summary>
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/// <param name="context">GPU context that the texture belongs to</param>
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/// <param name="info">Texture information</param>
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/// <param name="sizeInfo">Size information of the texture</param>
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/// <param name="scaleMode">The scale mode to initialize with. If scaled, the texture's data is loaded immediately and scaled up</param>
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public Texture(GpuContext context, TextureInfo info, SizeInfo sizeInfo, TextureScaleMode scaleMode)
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{
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ScaleFactor = 1f; // Texture is first loaded at scale 1x.
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ScaleMode = scaleMode;
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InitializeTexture(context, info, sizeInfo);
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}
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/// <summary>
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/// Common texture initialization method.
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/// This sets the context, info and sizeInfo fields.
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/// Other fields are initialized with their default values.
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/// </summary>
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/// <param name="context">GPU context that the texture belongs to</param>
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/// <param name="info">Texture information</param>
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/// <param name="sizeInfo">Size information of the texture</param>
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private void InitializeTexture(GpuContext context, TextureInfo info, SizeInfo sizeInfo)
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{
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_context = context;
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_sizeInfo = sizeInfo;
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_modifiedRanges = new (ulong, ulong)[(sizeInfo.TotalSize / PhysicalMemory.PageSize) + 1];
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SetInfo(info);
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_viewStorage = this;
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_views = new List<Texture>();
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}
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/// <summary>
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/// Initializes the data for a texture. Can optionally initialize the texture with or without data.
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/// If the texture is a view, it will initialize memory tracking to be non-dirty.
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/// </summary>
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/// <param name="isView">True if the texture is a view, false otherwise</param>
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/// <param name="withData">True if the texture is to be initialized with data</param>
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public void InitializeData(bool isView, bool withData = false)
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{
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if (withData)
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{
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Debug.Assert(!isView);
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TextureCreateInfo createInfo = TextureManager.GetCreateInfo(Info, _context.Capabilities);
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HostTexture = _context.Renderer.CreateTexture(createInfo, ScaleFactor);
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SynchronizeMemory(); // Load the data.
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if (ScaleMode == TextureScaleMode.Scaled)
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{
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SetScale(GraphicsConfig.ResScale); // Scale the data up.
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}
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}
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else
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{
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// Don't update this texture the next time we synchronize.
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ConsumeModified();
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_hasData = true;
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if (!isView)
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{
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if (ScaleMode == TextureScaleMode.Scaled)
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{
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// Don't need to start at 1x as there is no data to scale, just go straight to the target scale.
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ScaleFactor = GraphicsConfig.ResScale;
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}
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TextureCreateInfo createInfo = TextureManager.GetCreateInfo(Info, _context.Capabilities);
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HostTexture = _context.Renderer.CreateTexture(createInfo, ScaleFactor);
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}
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}
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}
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/// <summary>
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/// Create a texture view from this texture.
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/// A texture view is defined as a child texture, from a sub-range of their parent texture.
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/// For example, the initial layer and mipmap level of the view can be defined, so the texture
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/// will start at the given layer/level of the parent texture.
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/// </summary>
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/// <param name="info">Child texture information</param>
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/// <param name="sizeInfo">Child texture size information</param>
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/// <param name="firstLayer">Start layer of the child texture on the parent texture</param>
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/// <param name="firstLevel">Start mipmap level of the child texture on the parent texture</param>
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/// <returns>The child texture</returns>
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public Texture CreateView(TextureInfo info, SizeInfo sizeInfo, int firstLayer, int firstLevel)
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{
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Texture texture = new Texture(
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_context,
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info,
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sizeInfo,
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_firstLayer + firstLayer,
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_firstLevel + firstLevel,
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ScaleFactor,
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ScaleMode);
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TextureCreateInfo createInfo = TextureManager.GetCreateInfo(info, _context.Capabilities);
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texture.HostTexture = HostTexture.CreateView(createInfo, firstLayer, firstLevel);
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_viewStorage.AddView(texture);
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return texture;
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}
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/// <summary>
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/// Adds a child texture to this texture.
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/// </summary>
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/// <param name="texture">The child texture</param>
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private void AddView(Texture texture)
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{
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_views.Add(texture);
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texture._viewStorage = this;
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}
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/// <summary>
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/// Removes a child texture from this texture.
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/// </summary>
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/// <param name="texture">The child texture</param>
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private void RemoveView(Texture texture)
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{
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_views.Remove(texture);
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texture._viewStorage = texture;
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DeleteIfNotUsed();
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}
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/// <summary>
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/// Changes the texture size.
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/// </summary>
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/// <remarks>
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/// This operation may also change the size of all mipmap levels, including from the parent
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/// and other possible child textures, to ensure that all sizes are consistent.
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/// </remarks>
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/// <param name="width">The new texture width</param>
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/// <param name="height">The new texture height</param>
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/// <param name="depthOrLayers">The new texture depth (for 3D textures) or layers (for layered textures)</param>
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public void ChangeSize(int width, int height, int depthOrLayers)
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{
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int blockWidth = Info.FormatInfo.BlockWidth;
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int blockHeight = Info.FormatInfo.BlockHeight;
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width <<= _firstLevel;
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height <<= _firstLevel;
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if (Info.Target == Target.Texture3D)
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{
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depthOrLayers <<= _firstLevel;
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}
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else
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{
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depthOrLayers = _viewStorage.Info.DepthOrLayers;
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}
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_viewStorage.RecreateStorageOrView(width, height, blockWidth, blockHeight, depthOrLayers);
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foreach (Texture view in _viewStorage._views)
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{
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int viewWidth = Math.Max(1, width >> view._firstLevel);
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int viewHeight = Math.Max(1, height >> view._firstLevel);
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int viewDepthOrLayers;
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if (view.Info.Target == Target.Texture3D)
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{
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viewDepthOrLayers = Math.Max(1, depthOrLayers >> view._firstLevel);
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}
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else
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{
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viewDepthOrLayers = view.Info.DepthOrLayers;
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}
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view.RecreateStorageOrView(viewWidth, viewHeight, blockWidth, blockHeight, viewDepthOrLayers);
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}
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}
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/// <summary>
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/// Recreates the texture storage (or view, in the case of child textures) of this texture.
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/// This allows recreating the texture with a new size.
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/// A copy is automatically performed from the old to the new texture.
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/// </summary>
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/// <param name="width">The new texture width</param>
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/// <param name="height">The new texture height</param>
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/// <param name="width">The block width related to the given width</param>
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/// <param name="height">The block height related to the given height</param>
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/// <param name="depthOrLayers">The new texture depth (for 3D textures) or layers (for layered textures)</param>
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private void RecreateStorageOrView(int width, int height, int blockWidth, int blockHeight, int depthOrLayers)
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{
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RecreateStorageOrView(
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BitUtils.DivRoundUp(width * Info.FormatInfo.BlockWidth, blockWidth),
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BitUtils.DivRoundUp(height * Info.FormatInfo.BlockHeight, blockHeight),
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depthOrLayers);
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}
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/// <summary>
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/// Recreates the texture storage (or view, in the case of child textures) of this texture.
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/// This allows recreating the texture with a new size.
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/// A copy is automatically performed from the old to the new texture.
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/// </summary>
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/// <param name="width">The new texture width</param>
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/// <param name="height">The new texture height</param>
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/// <param name="depthOrLayers">The new texture depth (for 3D textures) or layers (for layered textures)</param>
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private void RecreateStorageOrView(int width, int height, int depthOrLayers)
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{
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SetInfo(new TextureInfo(
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Info.Address,
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width,
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height,
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depthOrLayers,
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Info.Levels,
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Info.SamplesInX,
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Info.SamplesInY,
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Info.Stride,
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Info.IsLinear,
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Info.GobBlocksInY,
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Info.GobBlocksInZ,
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Info.GobBlocksInTileX,
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Info.Target,
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Info.FormatInfo,
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Info.DepthStencilMode,
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Info.SwizzleR,
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Info.SwizzleG,
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Info.SwizzleB,
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Info.SwizzleA));
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TextureCreateInfo createInfo = TextureManager.GetCreateInfo(Info, _context.Capabilities);
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if (_viewStorage != this)
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{
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ReplaceStorage(_viewStorage.HostTexture.CreateView(createInfo, _firstLayer, _firstLevel));
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}
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else
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{
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ITexture newStorage = _context.Renderer.CreateTexture(createInfo, ScaleFactor);
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HostTexture.CopyTo(newStorage, 0, 0);
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ReplaceStorage(newStorage);
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}
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}
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/// <summary>
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/// Blacklists this texture from being scaled. Resets its scale to 1 if needed.
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/// </summary>
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public void BlacklistScale()
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{
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ScaleMode = TextureScaleMode.Blacklisted;
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SetScale(1f);
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}
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/// <summary>
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/// Propagates the scale between this texture and another to ensure they have the same scale.
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/// If one texture is blacklisted from scaling, the other will become blacklisted too.
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/// </summary>
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/// <param name="other">The other texture</param>
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public void PropagateScale(Texture other)
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{
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if (other.ScaleMode == TextureScaleMode.Blacklisted || ScaleMode == TextureScaleMode.Blacklisted)
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{
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BlacklistScale();
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other.BlacklistScale();
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}
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else
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{
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// Prefer the configured scale if present. If not, prefer the max.
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float targetScale = GraphicsConfig.ResScale;
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float sharedScale = (ScaleFactor == targetScale || other.ScaleFactor == targetScale) ? targetScale : Math.Max(ScaleFactor, other.ScaleFactor);
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SetScale(sharedScale);
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other.SetScale(sharedScale);
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}
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}
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/// <summary>
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/// Helper method for copying our Texture2DArray texture to the given target, with scaling.
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/// This creates temporary views for each array layer on both textures, copying each one at a time.
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/// </summary>
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/// <param name="target">The texture array to copy to</param>
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private void CopyArrayScaled(ITexture target)
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{
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TextureInfo viewInfo = new TextureInfo(
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Info.Address,
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Info.Width,
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Info.Height,
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1,
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Info.Levels,
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Info.SamplesInX,
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Info.SamplesInY,
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Info.Stride,
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Info.IsLinear,
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Info.GobBlocksInY,
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Info.GobBlocksInZ,
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Info.GobBlocksInTileX,
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Target.Texture2D,
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Info.FormatInfo,
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Info.DepthStencilMode,
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Info.SwizzleR,
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Info.SwizzleG,
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Info.SwizzleB,
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Info.SwizzleA);
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TextureCreateInfo createInfo = TextureManager.GetCreateInfo(viewInfo, _context.Capabilities);
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for (int i = 0; i < Info.DepthOrLayers; i++)
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{
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ITexture from = HostTexture.CreateView(createInfo, i, 0);
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ITexture to = target.CreateView(createInfo, i, 0);
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from.CopyTo(to, new Extents2D(0, 0, from.Width, from.Height), new Extents2D(0, 0, to.Width, to.Height), true);
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from.Release();
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to.Release();
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}
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}
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/// <summary>
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/// Sets the Scale Factor on this texture, and immediately recreates it at the correct size.
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/// When a texture is resized, a scaled copy is performed from the old texture to the new one, to ensure no data is lost.
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/// If scale is equivalent, this only propagates the blacklisted/scaled mode.
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/// If called on a view, its storage is resized instead.
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/// When resizing storage, all texture views are recreated.
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/// </summary>
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/// <param name="scale">The new scale factor for this texture</param>
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public void SetScale(float scale)
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{
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TextureScaleMode newScaleMode = ScaleMode == TextureScaleMode.Blacklisted ? ScaleMode : TextureScaleMode.Scaled;
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if (_viewStorage != this)
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{
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_viewStorage.ScaleMode = newScaleMode;
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_viewStorage.SetScale(scale);
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return;
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}
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if (ScaleFactor != scale)
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{
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Logger.Debug?.Print(LogClass.Gpu, $"Rescaling {Info.Width}x{Info.Height} {Info.FormatInfo.Format.ToString()} to ({ScaleFactor} to {scale}). ");
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TextureCreateInfo createInfo = TextureManager.GetCreateInfo(Info, _context.Capabilities);
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ScaleFactor = scale;
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ITexture newStorage = _context.Renderer.CreateTexture(createInfo, ScaleFactor);
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if (Info.Target == Target.Texture2DArray)
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{
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CopyArrayScaled(newStorage);
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}
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else
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{
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HostTexture.CopyTo(newStorage, new Extents2D(0, 0, HostTexture.Width, HostTexture.Height), new Extents2D(0, 0, newStorage.Width, newStorage.Height), true);
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}
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Logger.Debug?.Print(LogClass.Gpu, $" Copy performed: {HostTexture.Width}x{HostTexture.Height} to {newStorage.Width}x{newStorage.Height}");
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ReplaceStorage(newStorage);
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// All views must be recreated against the new storage.
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foreach (var view in _views)
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{
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Logger.Debug?.Print(LogClass.Gpu, $" Recreating view {Info.Width}x{Info.Height} {Info.FormatInfo.Format.ToString()}.");
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view.ScaleFactor = scale;
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TextureCreateInfo viewCreateInfo = TextureManager.GetCreateInfo(view.Info, _context.Capabilities);
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ITexture newView = HostTexture.CreateView(viewCreateInfo, view._firstLayer - _firstLayer, view._firstLevel - _firstLevel);
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view.ReplaceStorage(newView);
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view.ScaleMode = newScaleMode;
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}
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}
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if (ScaleMode != newScaleMode)
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{
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ScaleMode = newScaleMode;
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foreach (var view in _views)
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{
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view.ScaleMode = newScaleMode;
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}
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}
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}
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/// <summary>
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/// Checks if the memory for this texture was modified, and returns true if it was.
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/// The modified flags are consumed as a result.
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/// </summary>
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/// <returns>True if the texture was modified, false otherwise.</returns>
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public bool ConsumeModified()
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{
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return _context.PhysicalMemory.QueryModified(Address, Size, ResourceName.Texture, _modifiedRanges) > 0;
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}
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/// <summary>
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|
/// Synchronizes guest and host memory.
|
|
/// This will overwrite the texture data with the texture data on the guest memory, if a CPU
|
|
/// modification is detected.
|
|
/// Be aware that this can cause texture data written by the GPU to be lost, this is just a
|
|
/// one way copy (from CPU owned to GPU owned memory).
|
|
/// </summary>
|
|
public void SynchronizeMemory()
|
|
{
|
|
// Texture buffers are not handled here, instead they are invalidated (if modified)
|
|
// when the texture is bound. This is handled by the buffer manager.
|
|
if ((_sequenceNumber == _context.SequenceNumber && _hasData) || Info.Target == Target.TextureBuffer)
|
|
{
|
|
return;
|
|
}
|
|
|
|
_sequenceNumber = _context.SequenceNumber;
|
|
|
|
int modifiedCount = _context.PhysicalMemory.QueryModified(Address, Size, ResourceName.Texture, _modifiedRanges);
|
|
|
|
if (_hasData)
|
|
{
|
|
if (modifiedCount == 0)
|
|
{
|
|
return;
|
|
}
|
|
|
|
BlacklistScale();
|
|
}
|
|
|
|
ReadOnlySpan<byte> data = _context.PhysicalMemory.GetSpan(Address, (int)Size);
|
|
|
|
// If the texture was ever modified by the host GPU, we do partial invalidation
|
|
// of the texture by getting GPU data and merging in the pages of memory
|
|
// that were modified.
|
|
// Note that if ASTC is not supported by the GPU we can't read it back since
|
|
// it will use a different format. Since applications shouldn't be writing
|
|
// ASTC textures from the GPU anyway, ignoring it should be safe.
|
|
if (_everModified && !Info.FormatInfo.Format.IsAstc())
|
|
{
|
|
Span<byte> gpuData = GetTextureDataFromGpu(true);
|
|
|
|
ulong endAddress = Address + Size;
|
|
|
|
for (int i = 0; i < modifiedCount; i++)
|
|
{
|
|
(ulong modifiedAddress, ulong modifiedSize) = _modifiedRanges[i];
|
|
|
|
ulong endModifiedAddress = modifiedAddress + modifiedSize;
|
|
|
|
if (modifiedAddress < Address)
|
|
{
|
|
modifiedAddress = Address;
|
|
}
|
|
|
|
if (endModifiedAddress > endAddress)
|
|
{
|
|
endModifiedAddress = endAddress;
|
|
}
|
|
|
|
modifiedSize = endModifiedAddress - modifiedAddress;
|
|
|
|
int offset = (int)(modifiedAddress - Address);
|
|
int length = (int)modifiedSize;
|
|
|
|
data.Slice(offset, length).CopyTo(gpuData.Slice(offset, length));
|
|
}
|
|
|
|
data = gpuData;
|
|
}
|
|
|
|
IsModified = false;
|
|
|
|
data = ConvertToHostCompatibleFormat(data);
|
|
|
|
HostTexture.SetData(data);
|
|
|
|
_hasData = true;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Converts texture data to a format and layout that is supported by the host GPU.
|
|
/// </summary>
|
|
/// <param name="data">Data to be converted</param>
|
|
/// <returns>Converted data</returns>
|
|
private ReadOnlySpan<byte> ConvertToHostCompatibleFormat(ReadOnlySpan<byte> data)
|
|
{
|
|
if (Info.IsLinear)
|
|
{
|
|
data = LayoutConverter.ConvertLinearStridedToLinear(
|
|
Info.Width,
|
|
Info.Height,
|
|
Info.FormatInfo.BlockWidth,
|
|
Info.FormatInfo.BlockHeight,
|
|
Info.Stride,
|
|
Info.FormatInfo.BytesPerPixel,
|
|
data);
|
|
}
|
|
else
|
|
{
|
|
data = LayoutConverter.ConvertBlockLinearToLinear(
|
|
Info.Width,
|
|
Info.Height,
|
|
_depth,
|
|
Info.Levels,
|
|
_layers,
|
|
Info.FormatInfo.BlockWidth,
|
|
Info.FormatInfo.BlockHeight,
|
|
Info.FormatInfo.BytesPerPixel,
|
|
Info.GobBlocksInY,
|
|
Info.GobBlocksInZ,
|
|
Info.GobBlocksInTileX,
|
|
_sizeInfo,
|
|
data);
|
|
}
|
|
|
|
if (!_context.Capabilities.SupportsAstcCompression && Info.FormatInfo.Format.IsAstc())
|
|
{
|
|
if (!AstcDecoder.TryDecodeToRgba8(
|
|
data.ToArray(),
|
|
Info.FormatInfo.BlockWidth,
|
|
Info.FormatInfo.BlockHeight,
|
|
Info.Width,
|
|
Info.Height,
|
|
_depth,
|
|
Info.Levels,
|
|
out Span<byte> decoded))
|
|
{
|
|
string texInfo = $"{Info.Target} {Info.FormatInfo.Format} {Info.Width}x{Info.Height}x{Info.DepthOrLayers} levels {Info.Levels}";
|
|
|
|
Logger.Debug?.Print(LogClass.Gpu, $"Invalid ASTC texture at 0x{Info.Address:X} ({texInfo}).");
|
|
}
|
|
|
|
data = decoded;
|
|
}
|
|
|
|
return data;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Flushes the texture data.
|
|
/// This causes the texture data to be written back to guest memory.
|
|
/// If the texture was written by the GPU, this includes all modification made by the GPU
|
|
/// up to this point.
|
|
/// Be aware that this is an expensive operation, avoid calling it unless strictly needed.
|
|
/// This may cause data corruption if the memory is already being used for something else on the CPU side.
|
|
/// </summary>
|
|
/// <param name="tracked">Whether or not the flush triggers write tracking. If it doesn't, the texture will not be blacklisted for scaling either.</param>
|
|
public void Flush(bool tracked = true)
|
|
{
|
|
IsModified = false;
|
|
|
|
if (Info.FormatInfo.Format.IsAstc())
|
|
{
|
|
return; // Flushing this format is not supported, as it may have been converted to another host format.
|
|
}
|
|
|
|
if (tracked)
|
|
{
|
|
_context.PhysicalMemory.Write(Address, GetTextureDataFromGpu(tracked));
|
|
}
|
|
else
|
|
{
|
|
_context.PhysicalMemory.WriteUntracked(Address, GetTextureDataFromGpu(tracked));
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// Gets data from the host GPU.
|
|
/// </summary>
|
|
/// <remarks>
|
|
/// This method should be used to retrieve data that was modified by the host GPU.
|
|
/// This is not cheap, avoid doing that unless strictly needed.
|
|
/// </remarks>
|
|
/// <returns>Host texture data</returns>
|
|
private Span<byte> GetTextureDataFromGpu(bool blacklist)
|
|
{
|
|
Span<byte> data;
|
|
|
|
if (blacklist)
|
|
{
|
|
BlacklistScale();
|
|
data = HostTexture.GetData();
|
|
}
|
|
else if (ScaleFactor != 1f)
|
|
{
|
|
float scale = ScaleFactor;
|
|
SetScale(1f);
|
|
data = HostTexture.GetData();
|
|
SetScale(scale);
|
|
}
|
|
else
|
|
{
|
|
data = HostTexture.GetData();
|
|
}
|
|
|
|
if (Info.IsLinear)
|
|
{
|
|
data = LayoutConverter.ConvertLinearToLinearStrided(
|
|
Info.Width,
|
|
Info.Height,
|
|
Info.FormatInfo.BlockWidth,
|
|
Info.FormatInfo.BlockHeight,
|
|
Info.Stride,
|
|
Info.FormatInfo.BytesPerPixel,
|
|
data);
|
|
}
|
|
else
|
|
{
|
|
data = LayoutConverter.ConvertLinearToBlockLinear(
|
|
Info.Width,
|
|
Info.Height,
|
|
_depth,
|
|
Info.Levels,
|
|
_layers,
|
|
Info.FormatInfo.BlockWidth,
|
|
Info.FormatInfo.BlockHeight,
|
|
Info.FormatInfo.BytesPerPixel,
|
|
Info.GobBlocksInY,
|
|
Info.GobBlocksInZ,
|
|
Info.GobBlocksInTileX,
|
|
_sizeInfo,
|
|
data);
|
|
}
|
|
|
|
return data;
|
|
}
|
|
|
|
/// <summary>
|
|
/// This performs a strict comparison, used to check if this texture is equal to the one supplied.
|
|
/// </summary>
|
|
/// <param name="info">Texture information to compare against</param>
|
|
/// <param name="flags">Comparison flags</param>
|
|
/// <returns>True if the textures are strictly equal or similar, false otherwise</returns>
|
|
public bool IsPerfectMatch(TextureInfo info, TextureSearchFlags flags)
|
|
{
|
|
if (!TextureCompatibility.FormatMatches(Info, info, (flags & TextureSearchFlags.ForSampler) != 0, (flags & TextureSearchFlags.ForCopy) != 0))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
if (!TextureCompatibility.LayoutMatches(Info, info))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
if (!TextureCompatibility.SizeMatches(Info, info, (flags & TextureSearchFlags.Strict) == 0))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
if ((flags & TextureSearchFlags.ForSampler) != 0 || (flags & TextureSearchFlags.Strict) != 0)
|
|
{
|
|
if (!TextureCompatibility.SamplerParamsMatches(Info, info))
|
|
{
|
|
return false;
|
|
}
|
|
}
|
|
|
|
if ((flags & TextureSearchFlags.ForCopy) != 0)
|
|
{
|
|
bool msTargetCompatible = Info.Target == Target.Texture2DMultisample && info.Target == Target.Texture2D;
|
|
|
|
if (!msTargetCompatible && !TextureCompatibility.TargetAndSamplesCompatible(Info, info))
|
|
{
|
|
return false;
|
|
}
|
|
}
|
|
else if (!TextureCompatibility.TargetAndSamplesCompatible(Info, info))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
return Info.Address == info.Address && Info.Levels == info.Levels;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Check if it's possible to create a view, with the given parameters, from this texture.
|
|
/// </summary>
|
|
/// <param name="info">Texture view information</param>
|
|
/// <param name="size">Texture view size</param>
|
|
/// <param name="firstLayer">Texture view initial layer on this texture</param>
|
|
/// <param name="firstLevel">Texture view first mipmap level on this texture</param>
|
|
/// <returns>The level of compatiblilty a view with the given parameters created from this texture has</returns>
|
|
public TextureViewCompatibility IsViewCompatible(
|
|
TextureInfo info,
|
|
ulong size,
|
|
out int firstLayer,
|
|
out int firstLevel)
|
|
{
|
|
// Out of range.
|
|
if (info.Address < Address || info.Address + size > EndAddress)
|
|
{
|
|
firstLayer = 0;
|
|
firstLevel = 0;
|
|
|
|
return TextureViewCompatibility.Incompatible;
|
|
}
|
|
|
|
int offset = (int)(info.Address - Address);
|
|
|
|
if (!_sizeInfo.FindView(offset, (int)size, out firstLayer, out firstLevel))
|
|
{
|
|
return TextureViewCompatibility.Incompatible;
|
|
}
|
|
|
|
if (!TextureCompatibility.ViewLayoutCompatible(Info, info, firstLevel))
|
|
{
|
|
return TextureViewCompatibility.Incompatible;
|
|
}
|
|
|
|
if (!TextureCompatibility.ViewFormatCompatible(Info, info))
|
|
{
|
|
return TextureViewCompatibility.Incompatible;
|
|
}
|
|
|
|
TextureViewCompatibility result = TextureViewCompatibility.Full;
|
|
|
|
result = TextureCompatibility.PropagateViewCompatibility(result, TextureCompatibility.ViewSizeMatches(Info, info, firstLevel));
|
|
result = TextureCompatibility.PropagateViewCompatibility(result, TextureCompatibility.ViewTargetCompatible(Info, info));
|
|
|
|
return (Info.SamplesInX == info.SamplesInX &&
|
|
Info.SamplesInY == info.SamplesInY) ? result : TextureViewCompatibility.Incompatible;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Checks if the view format is compatible with this texture format.
|
|
/// In general, the formats are considered compatible if the bytes per pixel values are equal,
|
|
/// but there are more complex rules for some formats, like compressed or depth-stencil formats.
|
|
/// This follows the host API copy compatibility rules.
|
|
/// </summary>
|
|
/// <param name="info">Texture information of the texture view</param>
|
|
/// <returns>True if the formats are compatible, false otherwise</returns>
|
|
private bool ViewFormatCompatible(TextureInfo info)
|
|
{
|
|
return TextureCompatibility.FormatCompatible(Info.FormatInfo, info.FormatInfo);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Gets a texture of the specified target type from this texture.
|
|
/// This can be used to get an array texture from a non-array texture and vice-versa.
|
|
/// If this texture and the requested targets are equal, then this texture Host texture is returned directly.
|
|
/// </summary>
|
|
/// <param name="target">The desired target type</param>
|
|
/// <returns>A view of this texture with the requested target, or null if the target is invalid for this texture</returns>
|
|
public ITexture GetTargetTexture(Target target)
|
|
{
|
|
if (target == Info.Target)
|
|
{
|
|
return HostTexture;
|
|
}
|
|
|
|
if (_arrayViewTexture == null && IsSameDimensionsTarget(target))
|
|
{
|
|
TextureCreateInfo createInfo = new TextureCreateInfo(
|
|
Info.Width,
|
|
Info.Height,
|
|
target == Target.CubemapArray ? 6 : 1,
|
|
Info.Levels,
|
|
Info.Samples,
|
|
Info.FormatInfo.BlockWidth,
|
|
Info.FormatInfo.BlockHeight,
|
|
Info.FormatInfo.BytesPerPixel,
|
|
Info.FormatInfo.Format,
|
|
Info.DepthStencilMode,
|
|
target,
|
|
Info.SwizzleR,
|
|
Info.SwizzleG,
|
|
Info.SwizzleB,
|
|
Info.SwizzleA);
|
|
|
|
ITexture viewTexture = HostTexture.CreateView(createInfo, 0, 0);
|
|
|
|
_arrayViewTexture = viewTexture;
|
|
_arrayViewTarget = target;
|
|
|
|
return viewTexture;
|
|
}
|
|
else if (_arrayViewTarget == target)
|
|
{
|
|
return _arrayViewTexture;
|
|
}
|
|
|
|
return null;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Check if this texture and the specified target have the same number of dimensions.
|
|
/// For the purposes of this comparison, 2D and 2D Multisample textures are not considered to have
|
|
/// the same number of dimensions. Same for Cubemap and 3D textures.
|
|
/// </summary>
|
|
/// <param name="target">The target to compare with</param>
|
|
/// <returns>True if both targets have the same number of dimensions, false otherwise</returns>
|
|
private bool IsSameDimensionsTarget(Target target)
|
|
{
|
|
switch (Info.Target)
|
|
{
|
|
case Target.Texture1D:
|
|
case Target.Texture1DArray:
|
|
return target == Target.Texture1D ||
|
|
target == Target.Texture1DArray;
|
|
|
|
case Target.Texture2D:
|
|
case Target.Texture2DArray:
|
|
return target == Target.Texture2D ||
|
|
target == Target.Texture2DArray;
|
|
|
|
case Target.Cubemap:
|
|
case Target.CubemapArray:
|
|
return target == Target.Cubemap ||
|
|
target == Target.CubemapArray;
|
|
|
|
case Target.Texture2DMultisample:
|
|
case Target.Texture2DMultisampleArray:
|
|
return target == Target.Texture2DMultisample ||
|
|
target == Target.Texture2DMultisampleArray;
|
|
|
|
case Target.Texture3D:
|
|
return target == Target.Texture3D;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Replaces view texture information.
|
|
/// This should only be used for child textures with a parent.
|
|
/// </summary>
|
|
/// <param name="parent">The parent texture</param>
|
|
/// <param name="info">The new view texture information</param>
|
|
/// <param name="hostTexture">The new host texture</param>
|
|
/// <param name="firstLayer">The first layer of the view</param>
|
|
/// <param name="firstLevel">The first level of the view</param>
|
|
public void ReplaceView(Texture parent, TextureInfo info, ITexture hostTexture, int firstLayer, int firstLevel)
|
|
{
|
|
ReplaceStorage(hostTexture);
|
|
|
|
_firstLayer = parent._firstLayer + firstLayer;
|
|
_firstLevel = parent._firstLevel + firstLevel;
|
|
parent._viewStorage.AddView(this);
|
|
|
|
SetInfo(info);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Sets the internal texture information structure.
|
|
/// </summary>
|
|
/// <param name="info">The new texture information</param>
|
|
private void SetInfo(TextureInfo info)
|
|
{
|
|
Info = info;
|
|
|
|
_depth = info.GetDepth();
|
|
_layers = info.GetLayers();
|
|
}
|
|
|
|
/// <summary>
|
|
/// Signals that the texture has been modified.
|
|
/// </summary>
|
|
public void SignalModified()
|
|
{
|
|
IsModified = true;
|
|
_everModified = true;
|
|
|
|
Modified?.Invoke(this);
|
|
|
|
if (_viewStorage != this)
|
|
{
|
|
_viewStorage.SignalModified();
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// Replaces the host texture, while disposing of the old one if needed.
|
|
/// </summary>
|
|
/// <param name="hostTexture">The new host texture</param>
|
|
private void ReplaceStorage(ITexture hostTexture)
|
|
{
|
|
DisposeTextures();
|
|
|
|
HostTexture = hostTexture;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Checks if the texture overlaps with a memory range.
|
|
/// </summary>
|
|
/// <param name="address">Start address of the range</param>
|
|
/// <param name="size">Size of the range</param>
|
|
/// <returns>True if the texture overlaps with the range, false otherwise</returns>
|
|
public bool OverlapsWith(ulong address, ulong size)
|
|
{
|
|
return Address < address + size && address < EndAddress;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Determine if any of our child textures are compaible as views of the given texture.
|
|
/// </summary>
|
|
/// <param name="texture">The texture to check against</param>
|
|
/// <returns>True if any child is view compatible, false otherwise</returns>
|
|
public bool HasViewCompatibleChild(Texture texture)
|
|
{
|
|
if (_viewStorage != this || _views.Count == 0)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
foreach (Texture view in _views)
|
|
{
|
|
if (texture.IsViewCompatible(view.Info, view.Size, out int _, out int _) != TextureViewCompatibility.Incompatible)
|
|
{
|
|
return true;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Increments the texture reference count.
|
|
/// </summary>
|
|
public void IncrementReferenceCount()
|
|
{
|
|
_referenceCount++;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Decrements the texture reference count.
|
|
/// When the reference count hits zero, the texture may be deleted and can't be used anymore.
|
|
/// </summary>
|
|
/// <returns>True if the texture is now referenceless, false otherwise</returns>
|
|
public bool DecrementReferenceCount()
|
|
{
|
|
int newRefCount = --_referenceCount;
|
|
|
|
if (newRefCount == 0)
|
|
{
|
|
if (_viewStorage != this)
|
|
{
|
|
_viewStorage.RemoveView(this);
|
|
}
|
|
|
|
_context.Methods.TextureManager.RemoveTextureFromCache(this);
|
|
}
|
|
|
|
Debug.Assert(newRefCount >= 0);
|
|
|
|
DeleteIfNotUsed();
|
|
|
|
return newRefCount <= 0;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Delete the texture if it is not used anymore.
|
|
/// The texture is considered unused when the reference count is zero,
|
|
/// and it has no child views.
|
|
/// </summary>
|
|
private void DeleteIfNotUsed()
|
|
{
|
|
// We can delete the texture as long it is not being used
|
|
// in any cache (the reference count is 0 in this case), and
|
|
// also all views that may be created from this texture were
|
|
// already deleted (views count is 0).
|
|
if (_referenceCount == 0 && _views.Count == 0)
|
|
{
|
|
Dispose();
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// Performs texture disposal, deleting the texture.
|
|
/// </summary>
|
|
private void DisposeTextures()
|
|
{
|
|
HostTexture.Release();
|
|
|
|
_arrayViewTexture?.Release();
|
|
_arrayViewTexture = null;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Called when the memory for this texture has been unmapped.
|
|
/// Calls are from non-gpu threads.
|
|
/// </summary>
|
|
public void Unmapped()
|
|
{
|
|
IsModified = false; // We shouldn't flush this texture, as its memory is no longer mapped.
|
|
}
|
|
|
|
/// <summary>
|
|
/// Performs texture disposal, deleting the texture.
|
|
/// </summary>
|
|
public void Dispose()
|
|
{
|
|
DisposeTextures();
|
|
|
|
Disposed?.Invoke(this);
|
|
}
|
|
}
|
|
} |