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* Add short duration texture cache This texture cache takes textures that lose their last pool reference and keeps them alive until the next frame, or until an incompatible overlap removes it. This is done since under certain circumstances, a texture's reference can be wiped from a pool despite it still being in use - though typically the reference will return when rendering the next frame. While this may slightly increase texture memory usage when quickly going through a bunch of temporary textures, it's still bounded due to the overlap removal rule. This greatly increases performance in Hyrule Warriors: Age of Calamity. It may positively affect some UE4 games which dip framerate severely under certain circumstances. * Small optimization * Don't forget this. * Add short cache dictionary * Address feedback * Address some feedback
1234 lines
50 KiB
C#
1234 lines
50 KiB
C#
using Ryujinx.Common;
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using Ryujinx.Graphics.GAL;
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using Ryujinx.Graphics.Gpu.Engine.Threed;
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using Ryujinx.Graphics.Gpu.Engine.Twod;
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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.Texture;
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using Ryujinx.Memory.Range;
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using System;
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using System.Collections.Generic;
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namespace Ryujinx.Graphics.Gpu.Image
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{
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/// <summary>
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/// Texture cache.
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/// </summary>
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class TextureCache : IDisposable
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{
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private readonly struct OverlapInfo
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{
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public TextureViewCompatibility Compatibility { get; }
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public int FirstLayer { get; }
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public int FirstLevel { get; }
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public OverlapInfo(TextureViewCompatibility compatibility, int firstLayer, int firstLevel)
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{
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Compatibility = compatibility;
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FirstLayer = firstLayer;
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FirstLevel = firstLevel;
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}
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}
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private const int OverlapsBufferInitialCapacity = 10;
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private const int OverlapsBufferMaxCapacity = 10000;
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private readonly GpuContext _context;
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private readonly PhysicalMemory _physicalMemory;
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private readonly MultiRangeList<Texture> _textures;
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private readonly HashSet<Texture> _partiallyMappedTextures;
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private Texture[] _textureOverlaps;
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private OverlapInfo[] _overlapInfo;
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private readonly AutoDeleteCache _cache;
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/// <summary>
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/// Constructs a new instance of the texture manager.
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/// </summary>
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/// <param name="context">The GPU context that the texture manager belongs to</param>
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/// <param name="physicalMemory">Physical memory where the textures managed by this cache are mapped</param>
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public TextureCache(GpuContext context, PhysicalMemory physicalMemory)
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{
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_context = context;
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_physicalMemory = physicalMemory;
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_textures = new MultiRangeList<Texture>();
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_partiallyMappedTextures = new HashSet<Texture>();
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_textureOverlaps = new Texture[OverlapsBufferInitialCapacity];
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_overlapInfo = new OverlapInfo[OverlapsBufferInitialCapacity];
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_cache = new AutoDeleteCache();
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}
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/// <summary>
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/// Handles removal of textures written to a memory region being unmapped.
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/// </summary>
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/// <param name="sender">Sender object</param>
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/// <param name="e">Event arguments</param>
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public void MemoryUnmappedHandler(object sender, UnmapEventArgs e)
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{
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Texture[] overlaps = new Texture[10];
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int overlapCount;
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MultiRange unmapped = ((MemoryManager)sender).GetPhysicalRegions(e.Address, e.Size);
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lock (_textures)
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{
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overlapCount = _textures.FindOverlaps(unmapped, ref overlaps);
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}
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for (int i = 0; i < overlapCount; i++)
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{
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overlaps[i].Unmapped(unmapped);
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}
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// If any range was previously unmapped, we also need to purge
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// all partially mapped texture, as they might be fully mapped now.
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for (int i = 0; i < unmapped.Count; i++)
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{
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if (unmapped.GetSubRange(i).Address == MemoryManager.PteUnmapped)
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{
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lock (_partiallyMappedTextures)
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{
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foreach (var texture in _partiallyMappedTextures)
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{
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texture.Unmapped(unmapped);
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}
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}
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break;
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}
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}
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}
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/// <summary>
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/// Determines if a given texture is eligible for upscaling from its info.
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/// </summary>
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/// <param name="info">The texture info to check</param>
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/// <param name="withUpscale">True if the user of the texture would prefer it to be upscaled immediately</param>
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/// <returns>True if eligible</returns>
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private static TextureScaleMode IsUpscaleCompatible(TextureInfo info, bool withUpscale)
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{
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if ((info.Target == Target.Texture2D || info.Target == Target.Texture2DArray) && !info.FormatInfo.IsCompressed)
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{
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return UpscaleSafeMode(info) ? (withUpscale ? TextureScaleMode.Scaled : TextureScaleMode.Eligible) : TextureScaleMode.Undesired;
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}
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return TextureScaleMode.Blacklisted;
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}
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/// <summary>
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/// Determines if a given texture is "safe" for upscaling from its info.
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/// Note that this is different from being compatible - this elilinates targets that would have detrimental effects when scaled.
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/// </summary>
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/// <param name="info">The texture info to check</param>
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/// <returns>True if safe</returns>
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private static bool UpscaleSafeMode(TextureInfo info)
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{
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// While upscaling works for all targets defined by IsUpscaleCompatible, we additionally blacklist targets here that
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// may have undesirable results (upscaling blur textures) or simply waste GPU resources (upscaling texture atlas).
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if (info.Levels > 3)
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{
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// Textures with more than 3 levels are likely to be game textures, rather than render textures.
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// Small textures with full mips are likely to be removed by the next check.
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return false;
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}
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if (info.Width < 8 || info.Height < 8)
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{
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// Discount textures with small dimensions.
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return false;
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}
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int widthAlignment = (info.IsLinear ? Constants.StrideAlignment : Constants.GobAlignment) / info.FormatInfo.BytesPerPixel;
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if (!(info.FormatInfo.Format.IsDepthOrStencil() || info.FormatInfo.Components == 1))
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{
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// Discount square textures that aren't depth-stencil like. (excludes game textures, cubemap faces, most 3D texture LUT, texture atlas)
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// Detect if the texture is possibly square. Widths may be aligned, so to remove the uncertainty we align both the width and height.
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bool possiblySquare = BitUtils.AlignUp(info.Width, widthAlignment) == BitUtils.AlignUp(info.Height, widthAlignment);
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if (possiblySquare)
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{
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return false;
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}
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}
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if (info.Height < 360)
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{
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int aspectWidth = (int)MathF.Ceiling((info.Height / 9f) * 16f);
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int aspectMaxWidth = BitUtils.AlignUp(aspectWidth, widthAlignment);
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int aspectMinWidth = BitUtils.AlignDown(aspectWidth, widthAlignment);
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if (info.Width >= aspectMinWidth && info.Width <= aspectMaxWidth && info.Height < 360)
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{
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// Targets that are roughly 16:9 can only be rescaled if they're equal to or above 360p. (excludes blur and bloom textures)
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return false;
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}
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}
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if (info.Width == info.Height * info.Height)
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{
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// Possibly used for a "3D texture" drawn onto a 2D surface.
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// Some games do this to generate a tone mapping LUT without rendering into 3D texture slices.
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return false;
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}
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return true;
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}
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/// <summary>
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/// Lifts the texture to the top of the AutoDeleteCache. This is primarily used to enforce that
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/// data written to a target will be flushed to memory should the texture be deleted, but also
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/// keeps rendered textures alive without a pool reference.
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/// </summary>
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/// <param name="texture">Texture to lift</param>
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public void Lift(Texture texture)
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{
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_cache.Lift(texture);
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}
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/// <summary>
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/// Tries to find an existing texture, or create a new one if not found.
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/// </summary>
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/// <param name="memoryManager">GPU memory manager where the texture is mapped</param>
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/// <param name="copyTexture">Copy texture to find or create</param>
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/// <param name="offset">Offset to be added to the physical texture address</param>
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/// <param name="formatInfo">Format information of the copy texture</param>
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/// <param name="preferScaling">Indicates if the texture should be scaled from the start</param>
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/// <param name="sizeHint">A hint indicating the minimum used size for the texture</param>
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/// <returns>The texture</returns>
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public Texture FindOrCreateTexture(
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MemoryManager memoryManager,
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TwodTexture copyTexture,
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ulong offset,
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FormatInfo formatInfo,
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bool shouldCreate,
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bool preferScaling = true,
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Size? sizeHint = null)
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{
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int gobBlocksInY = copyTexture.MemoryLayout.UnpackGobBlocksInY();
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int gobBlocksInZ = copyTexture.MemoryLayout.UnpackGobBlocksInZ();
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int width;
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if (copyTexture.LinearLayout)
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{
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width = copyTexture.Stride / formatInfo.BytesPerPixel;
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}
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else
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{
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width = copyTexture.Width;
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}
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TextureInfo info = new TextureInfo(
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copyTexture.Address.Pack() + offset,
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width,
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copyTexture.Height,
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copyTexture.Depth,
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1,
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1,
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1,
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copyTexture.Stride,
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copyTexture.LinearLayout,
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gobBlocksInY,
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gobBlocksInZ,
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1,
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Target.Texture2D,
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formatInfo);
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TextureSearchFlags flags = TextureSearchFlags.ForCopy;
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if (preferScaling)
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{
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flags |= TextureSearchFlags.WithUpscale;
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}
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if (!shouldCreate)
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{
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flags |= TextureSearchFlags.NoCreate;
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}
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Texture texture = FindOrCreateTexture(memoryManager, flags, info, 0, sizeHint);
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texture?.SynchronizeMemory();
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return texture;
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}
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/// <summary>
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/// Tries to find an existing texture, or create a new one if not found.
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/// </summary>
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/// <param name="memoryManager">GPU memory manager where the texture is mapped</param>
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/// <param name="colorState">Color buffer texture to find or create</param>
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/// <param name="layered">Indicates if the texture might be accessed with a non-zero layer index</param>
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/// <param name="samplesInX">Number of samples in the X direction, for MSAA</param>
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/// <param name="samplesInY">Number of samples in the Y direction, for MSAA</param>
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/// <param name="sizeHint">A hint indicating the minimum used size for the texture</param>
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/// <returns>The texture</returns>
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public Texture FindOrCreateTexture(
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MemoryManager memoryManager,
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RtColorState colorState,
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bool layered,
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int samplesInX,
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int samplesInY,
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Size sizeHint)
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{
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bool isLinear = colorState.MemoryLayout.UnpackIsLinear();
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int gobBlocksInY = colorState.MemoryLayout.UnpackGobBlocksInY();
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int gobBlocksInZ = colorState.MemoryLayout.UnpackGobBlocksInZ();
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Target target;
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if (colorState.MemoryLayout.UnpackIsTarget3D())
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{
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target = Target.Texture3D;
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}
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else if ((samplesInX | samplesInY) != 1)
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{
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target = colorState.Depth > 1 && layered
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? Target.Texture2DMultisampleArray
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: Target.Texture2DMultisample;
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}
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else
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{
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target = colorState.Depth > 1 && layered
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? Target.Texture2DArray
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: Target.Texture2D;
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}
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FormatInfo formatInfo = colorState.Format.Convert();
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int width, stride;
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// For linear textures, the width value is actually the stride.
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// We can easily get the width by dividing the stride by the bpp,
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// since the stride is the total number of bytes occupied by a
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// line. The stride should also meet alignment constraints however,
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// so the width we get here is the aligned width.
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if (isLinear)
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{
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width = colorState.WidthOrStride / formatInfo.BytesPerPixel;
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stride = colorState.WidthOrStride;
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}
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else
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{
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width = colorState.WidthOrStride;
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stride = 0;
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}
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TextureInfo info = new TextureInfo(
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colorState.Address.Pack(),
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width,
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colorState.Height,
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colorState.Depth,
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1,
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samplesInX,
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samplesInY,
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stride,
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isLinear,
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gobBlocksInY,
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gobBlocksInZ,
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1,
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target,
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formatInfo);
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int layerSize = !isLinear ? colorState.LayerSize * 4 : 0;
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Texture texture = FindOrCreateTexture(memoryManager, TextureSearchFlags.WithUpscale, info, layerSize, sizeHint);
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texture?.SynchronizeMemory();
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return texture;
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}
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/// <summary>
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/// Tries to find an existing texture, or create a new one if not found.
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/// </summary>
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/// <param name="memoryManager">GPU memory manager where the texture is mapped</param>
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/// <param name="dsState">Depth-stencil buffer texture to find or create</param>
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/// <param name="size">Size of the depth-stencil texture</param>
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/// <param name="layered">Indicates if the texture might be accessed with a non-zero layer index</param>
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/// <param name="samplesInX">Number of samples in the X direction, for MSAA</param>
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/// <param name="samplesInY">Number of samples in the Y direction, for MSAA</param>
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/// <param name="sizeHint">A hint indicating the minimum used size for the texture</param>
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/// <returns>The texture</returns>
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public Texture FindOrCreateTexture(
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MemoryManager memoryManager,
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RtDepthStencilState dsState,
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Size3D size,
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bool layered,
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int samplesInX,
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int samplesInY,
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Size sizeHint)
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{
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int gobBlocksInY = dsState.MemoryLayout.UnpackGobBlocksInY();
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int gobBlocksInZ = dsState.MemoryLayout.UnpackGobBlocksInZ();
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Target target;
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if (dsState.MemoryLayout.UnpackIsTarget3D())
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{
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target = Target.Texture3D;
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}
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else if ((samplesInX | samplesInY) != 1)
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{
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target = size.Depth > 1 && layered
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? Target.Texture2DMultisampleArray
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: Target.Texture2DMultisample;
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}
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else
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{
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target = size.Depth > 1 && layered
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? Target.Texture2DArray
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: Target.Texture2D;
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}
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FormatInfo formatInfo = dsState.Format.Convert();
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TextureInfo info = new TextureInfo(
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dsState.Address.Pack(),
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size.Width,
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size.Height,
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size.Depth,
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1,
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samplesInX,
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samplesInY,
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0,
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false,
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gobBlocksInY,
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gobBlocksInZ,
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1,
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target,
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formatInfo);
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Texture texture = FindOrCreateTexture(memoryManager, TextureSearchFlags.WithUpscale, info, dsState.LayerSize * 4, sizeHint);
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texture?.SynchronizeMemory();
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return texture;
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}
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/// <summary>
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/// Tries to find an existing texture, or create a new one if not found.
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/// </summary>
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/// <param name="memoryManager">GPU memory manager where the texture is mapped</param>
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/// <param name="flags">The texture search flags, defines texture comparison rules</param>
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/// <param name="info">Texture information of the texture to be found or created</param>
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/// <param name="layerSize">Size in bytes of a single texture layer</param>
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/// <param name="sizeHint">A hint indicating the minimum used size for the texture</param>
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/// <param name="range">Optional ranges of physical memory where the texture data is located</param>
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/// <returns>The texture</returns>
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public Texture FindOrCreateTexture(
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MemoryManager memoryManager,
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TextureSearchFlags flags,
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TextureInfo info,
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int layerSize = 0,
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Size? sizeHint = null,
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MultiRange? range = null)
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{
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bool isSamplerTexture = (flags & TextureSearchFlags.ForSampler) != 0;
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TextureScaleMode scaleMode = IsUpscaleCompatible(info, (flags & TextureSearchFlags.WithUpscale) != 0);
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ulong address;
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if (range != null)
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{
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address = range.Value.GetSubRange(0).Address;
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}
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else
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{
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address = memoryManager.Translate(info.GpuAddress);
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if (address == MemoryManager.PteUnmapped)
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{
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return null;
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}
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}
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int sameAddressOverlapsCount;
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lock (_textures)
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{
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// Try to find a perfect texture match, with the same address and parameters.
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sameAddressOverlapsCount = _textures.FindOverlaps(address, ref _textureOverlaps);
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}
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Texture texture = null;
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TextureMatchQuality bestQuality = TextureMatchQuality.NoMatch;
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for (int index = 0; index < sameAddressOverlapsCount; index++)
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{
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Texture overlap = _textureOverlaps[index];
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TextureMatchQuality matchQuality = overlap.IsExactMatch(info, flags);
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if (matchQuality != TextureMatchQuality.NoMatch)
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{
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// If the parameters match, we need to make sure the texture is mapped to the same memory regions.
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if (range != null)
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{
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// If a range of memory was supplied, just check if the ranges match.
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if (!overlap.Range.Equals(range.Value))
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{
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continue;
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}
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}
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else
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{
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// If no range was supplied, we can check if the GPU virtual address match. If they do,
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// we know the textures are located at the same memory region.
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// If they don't, it may still be mapped to the same physical region, so we
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// do a more expensive check to tell if they are mapped into the same physical regions.
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// If the GPU VA for the texture has ever been unmapped, then the range must be checked regardless.
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if ((overlap.Info.GpuAddress != info.GpuAddress || overlap.ChangedMapping) &&
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!memoryManager.CompareRange(overlap.Range, info.GpuAddress))
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{
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continue;
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}
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}
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}
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if (matchQuality == TextureMatchQuality.Perfect)
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{
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texture = overlap;
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break;
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}
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else if (matchQuality > bestQuality)
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{
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texture = overlap;
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bestQuality = matchQuality;
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}
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}
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if (texture != null)
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{
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ChangeSizeIfNeeded(info, texture, isSamplerTexture, sizeHint);
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texture.SynchronizeMemory();
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return texture;
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}
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else if (flags.HasFlag(TextureSearchFlags.NoCreate))
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{
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return null;
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}
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// Calculate texture sizes, used to find all overlapping textures.
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SizeInfo sizeInfo = info.CalculateSizeInfo(layerSize);
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|
|
ulong size = (ulong)sizeInfo.TotalSize;
|
|
bool partiallyMapped = false;
|
|
|
|
if (range == null)
|
|
{
|
|
range = memoryManager.GetPhysicalRegions(info.GpuAddress, size);
|
|
|
|
for (int i = 0; i < range.Value.Count; i++)
|
|
{
|
|
if (range.Value.GetSubRange(i).Address == MemoryManager.PteUnmapped)
|
|
{
|
|
partiallyMapped = true;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
// Find view compatible matches.
|
|
int overlapsCount;
|
|
|
|
lock (_textures)
|
|
{
|
|
overlapsCount = _textures.FindOverlaps(range.Value, ref _textureOverlaps);
|
|
}
|
|
|
|
if (_overlapInfo.Length != _textureOverlaps.Length)
|
|
{
|
|
Array.Resize(ref _overlapInfo, _textureOverlaps.Length);
|
|
}
|
|
|
|
// =============== Find Texture View of Existing Texture ===============
|
|
|
|
int fullyCompatible = 0;
|
|
|
|
// Evaluate compatibility of overlaps, add temporary references
|
|
|
|
for (int index = 0; index < overlapsCount; index++)
|
|
{
|
|
Texture overlap = _textureOverlaps[index];
|
|
TextureViewCompatibility overlapCompatibility = overlap.IsViewCompatible(
|
|
info,
|
|
range.Value,
|
|
sizeInfo.LayerSize,
|
|
_context.Capabilities,
|
|
out int firstLayer,
|
|
out int firstLevel);
|
|
|
|
if (overlapCompatibility == TextureViewCompatibility.Full)
|
|
{
|
|
if (overlap.IsView)
|
|
{
|
|
overlapCompatibility = TextureViewCompatibility.CopyOnly;
|
|
}
|
|
else
|
|
{
|
|
fullyCompatible++;
|
|
}
|
|
}
|
|
|
|
_overlapInfo[index] = new OverlapInfo(overlapCompatibility, firstLayer, firstLevel);
|
|
overlap.IncrementReferenceCount();
|
|
}
|
|
|
|
// Search through the overlaps to find a compatible view and establish any copy dependencies.
|
|
|
|
for (int index = 0; index < overlapsCount; index++)
|
|
{
|
|
Texture overlap = _textureOverlaps[index];
|
|
OverlapInfo oInfo = _overlapInfo[index];
|
|
|
|
if (oInfo.Compatibility == TextureViewCompatibility.Full)
|
|
{
|
|
TextureInfo adjInfo = AdjustSizes(overlap, info, oInfo.FirstLevel);
|
|
|
|
if (!isSamplerTexture)
|
|
{
|
|
info = adjInfo;
|
|
}
|
|
|
|
texture = overlap.CreateView(adjInfo, sizeInfo, range.Value, oInfo.FirstLayer, oInfo.FirstLevel);
|
|
|
|
ChangeSizeIfNeeded(info, texture, isSamplerTexture, sizeHint);
|
|
|
|
texture.SynchronizeMemory();
|
|
break;
|
|
}
|
|
else if (oInfo.Compatibility == TextureViewCompatibility.CopyOnly && fullyCompatible == 0)
|
|
{
|
|
// Only copy compatible. If there's another choice for a FULLY compatible texture, choose that instead.
|
|
|
|
texture = new Texture(_context, _physicalMemory, info, sizeInfo, range.Value, scaleMode);
|
|
|
|
texture.InitializeGroup(true, true, new List<TextureIncompatibleOverlap>());
|
|
texture.InitializeData(false, false);
|
|
|
|
overlap.SynchronizeMemory();
|
|
overlap.CreateCopyDependency(texture, oInfo.FirstLayer, oInfo.FirstLevel, true);
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (texture != null)
|
|
{
|
|
// This texture could be a view of multiple parent textures with different storages, even if it is a view.
|
|
// When a texture is created, make sure all possible dependencies to other textures are created as copies.
|
|
// (even if it could be fulfilled without a copy)
|
|
|
|
for (int index = 0; index < overlapsCount; index++)
|
|
{
|
|
Texture overlap = _textureOverlaps[index];
|
|
OverlapInfo oInfo = _overlapInfo[index];
|
|
|
|
if (oInfo.Compatibility <= TextureViewCompatibility.LayoutIncompatible)
|
|
{
|
|
if (!overlap.IsView && texture.DataOverlaps(overlap, oInfo.Compatibility))
|
|
{
|
|
texture.Group.RegisterIncompatibleOverlap(new TextureIncompatibleOverlap(overlap.Group, oInfo.Compatibility), true);
|
|
}
|
|
}
|
|
else if (overlap.Group != texture.Group)
|
|
{
|
|
overlap.SynchronizeMemory();
|
|
overlap.CreateCopyDependency(texture, oInfo.FirstLayer, oInfo.FirstLevel, true);
|
|
}
|
|
}
|
|
|
|
texture.SynchronizeMemory();
|
|
}
|
|
|
|
// =============== Create a New Texture ===============
|
|
|
|
// No match, create a new texture.
|
|
if (texture == null)
|
|
{
|
|
texture = new Texture(_context, _physicalMemory, info, sizeInfo, range.Value, scaleMode);
|
|
|
|
// Step 1: Find textures that are view compatible with the new texture.
|
|
// Any textures that are incompatible will contain garbage data, so they should be removed where possible.
|
|
|
|
int viewCompatible = 0;
|
|
fullyCompatible = 0;
|
|
bool setData = isSamplerTexture || overlapsCount == 0 || flags.HasFlag(TextureSearchFlags.ForCopy);
|
|
|
|
bool hasLayerViews = false;
|
|
bool hasMipViews = false;
|
|
|
|
var incompatibleOverlaps = new List<TextureIncompatibleOverlap>();
|
|
|
|
for (int index = 0; index < overlapsCount; index++)
|
|
{
|
|
Texture overlap = _textureOverlaps[index];
|
|
bool overlapInCache = overlap.CacheNode != null;
|
|
|
|
TextureViewCompatibility compatibility = texture.IsViewCompatible(
|
|
overlap.Info,
|
|
overlap.Range,
|
|
overlap.LayerSize,
|
|
_context.Capabilities,
|
|
out int firstLayer,
|
|
out int firstLevel);
|
|
|
|
if (overlap.IsView && compatibility == TextureViewCompatibility.Full)
|
|
{
|
|
compatibility = TextureViewCompatibility.CopyOnly;
|
|
}
|
|
|
|
if (compatibility > TextureViewCompatibility.LayoutIncompatible)
|
|
{
|
|
_overlapInfo[viewCompatible] = new OverlapInfo(compatibility, firstLayer, firstLevel);
|
|
_textureOverlaps[index] = _textureOverlaps[viewCompatible];
|
|
_textureOverlaps[viewCompatible] = overlap;
|
|
|
|
if (compatibility == TextureViewCompatibility.Full)
|
|
{
|
|
if (viewCompatible != fullyCompatible)
|
|
{
|
|
// Swap overlaps so that the fully compatible views have priority.
|
|
|
|
_overlapInfo[viewCompatible] = _overlapInfo[fullyCompatible];
|
|
_textureOverlaps[viewCompatible] = _textureOverlaps[fullyCompatible];
|
|
|
|
_overlapInfo[fullyCompatible] = new OverlapInfo(compatibility, firstLayer, firstLevel);
|
|
_textureOverlaps[fullyCompatible] = overlap;
|
|
}
|
|
|
|
fullyCompatible++;
|
|
}
|
|
|
|
viewCompatible++;
|
|
|
|
hasLayerViews |= overlap.Info.GetSlices() < texture.Info.GetSlices();
|
|
hasMipViews |= overlap.Info.Levels < texture.Info.Levels;
|
|
}
|
|
else
|
|
{
|
|
bool dataOverlaps = texture.DataOverlaps(overlap, compatibility);
|
|
|
|
if (!overlap.IsView && dataOverlaps && !incompatibleOverlaps.Exists(incompatible => incompatible.Group == overlap.Group))
|
|
{
|
|
incompatibleOverlaps.Add(new TextureIncompatibleOverlap(overlap.Group, compatibility));
|
|
}
|
|
|
|
bool removeOverlap;
|
|
bool modified = overlap.CheckModified(false);
|
|
|
|
if (overlapInCache || !setData)
|
|
{
|
|
if (!dataOverlaps)
|
|
{
|
|
// Allow textures to overlap if their data does not actually overlap.
|
|
// This typically happens when mip level subranges of a layered texture are used. (each texture fills the gaps of the others)
|
|
continue;
|
|
}
|
|
|
|
// The overlap texture is going to contain garbage data after we draw, or is generally incompatible.
|
|
// The texture group will obtain copy dependencies for any subresources that are compatible between the two textures,
|
|
// but sometimes its data must be flushed regardless.
|
|
|
|
// If the texture was modified since its last use, then that data is probably meant to go into this texture.
|
|
// If the data has been modified by the CPU, then it also shouldn't be flushed.
|
|
|
|
bool flush = overlapInCache && !modified && overlap.AlwaysFlushOnOverlap;
|
|
|
|
setData |= modified || flush;
|
|
|
|
if (overlapInCache)
|
|
{
|
|
_cache.Remove(overlap, flush);
|
|
}
|
|
|
|
removeOverlap = modified;
|
|
}
|
|
else
|
|
{
|
|
// If an incompatible overlapping texture has been modified, then it's data is likely destined for this texture,
|
|
// and the overlapped texture will contain garbage. In this case, it should be removed to save memory.
|
|
removeOverlap = modified;
|
|
}
|
|
|
|
if (removeOverlap && overlap.Info.Target != Target.TextureBuffer)
|
|
{
|
|
overlap.RemoveFromPools(false);
|
|
}
|
|
}
|
|
}
|
|
|
|
texture.InitializeGroup(hasLayerViews, hasMipViews, incompatibleOverlaps);
|
|
|
|
// We need to synchronize before copying the old view data to the texture,
|
|
// otherwise the copied data would be overwritten by a future synchronization.
|
|
texture.InitializeData(false, setData);
|
|
|
|
texture.Group.InitializeOverlaps();
|
|
|
|
for (int index = 0; index < viewCompatible; index++)
|
|
{
|
|
Texture overlap = _textureOverlaps[index];
|
|
|
|
OverlapInfo oInfo = _overlapInfo[index];
|
|
|
|
if (overlap.Group == texture.Group)
|
|
{
|
|
// If the texture group is equal, then this texture (or its parent) is already a view.
|
|
continue;
|
|
}
|
|
|
|
TextureInfo overlapInfo = AdjustSizes(texture, overlap.Info, oInfo.FirstLevel);
|
|
|
|
if (texture.ScaleFactor != overlap.ScaleFactor)
|
|
{
|
|
// A bit tricky, our new texture may need to contain an existing texture that is upscaled, but isn't itself.
|
|
// In that case, we prefer the higher scale only if our format is render-target-like, otherwise we scale the view down before copy.
|
|
|
|
texture.PropagateScale(overlap);
|
|
}
|
|
|
|
if (oInfo.Compatibility != TextureViewCompatibility.Full)
|
|
{
|
|
// Copy only compatibility, or target texture is already a view.
|
|
|
|
overlap.SynchronizeMemory();
|
|
texture.CreateCopyDependency(overlap, oInfo.FirstLayer, oInfo.FirstLevel, false);
|
|
}
|
|
else
|
|
{
|
|
TextureCreateInfo createInfo = GetCreateInfo(overlapInfo, _context.Capabilities, overlap.ScaleFactor);
|
|
|
|
ITexture newView = texture.HostTexture.CreateView(createInfo, oInfo.FirstLayer, oInfo.FirstLevel);
|
|
|
|
overlap.SynchronizeMemory();
|
|
|
|
overlap.HostTexture.CopyTo(newView, 0, 0);
|
|
|
|
overlap.ReplaceView(texture, overlapInfo, newView, oInfo.FirstLayer, oInfo.FirstLevel);
|
|
}
|
|
}
|
|
|
|
texture.SynchronizeMemory();
|
|
}
|
|
|
|
// Sampler textures are managed by the texture pool, all other textures
|
|
// are managed by the auto delete cache.
|
|
if (!isSamplerTexture)
|
|
{
|
|
_cache.Add(texture);
|
|
}
|
|
|
|
lock (_textures)
|
|
{
|
|
_textures.Add(texture);
|
|
}
|
|
|
|
if (partiallyMapped)
|
|
{
|
|
lock (_partiallyMappedTextures)
|
|
{
|
|
_partiallyMappedTextures.Add(texture);
|
|
}
|
|
}
|
|
|
|
ShrinkOverlapsBufferIfNeeded();
|
|
|
|
for (int i = 0; i < overlapsCount; i++)
|
|
{
|
|
_textureOverlaps[i].DecrementReferenceCount();
|
|
}
|
|
|
|
return texture;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Changes a texture's size to match the desired size for samplers,
|
|
/// or increases a texture's size to fit the region indicated by a size hint.
|
|
/// </summary>
|
|
/// <param name="info">The desired texture info</param>
|
|
/// <param name="texture">The texture to resize</param>
|
|
/// <param name="isSamplerTexture">True if the texture will be used for a sampler, false otherwise</param>
|
|
/// <param name="sizeHint">A hint indicating the minimum used size for the texture</param>
|
|
private void ChangeSizeIfNeeded(TextureInfo info, Texture texture, bool isSamplerTexture, Size? sizeHint)
|
|
{
|
|
if (isSamplerTexture)
|
|
{
|
|
// If this is used for sampling, the size must match,
|
|
// otherwise the shader would sample garbage data.
|
|
// To fix that, we create a new texture with the correct
|
|
// size, and copy the data from the old one to the new one.
|
|
|
|
if (!TextureCompatibility.SizeMatches(texture.Info, info))
|
|
{
|
|
texture.ChangeSize(info.Width, info.Height, info.DepthOrLayers);
|
|
}
|
|
}
|
|
else if (sizeHint != null)
|
|
{
|
|
// A size hint indicates that data will be used within that range, at least.
|
|
// If the texture is smaller than the size hint, it must be enlarged to meet it.
|
|
// The maximum size is provided by the requested info, which generally has an aligned size.
|
|
|
|
int width = Math.Max(texture.Info.Width, Math.Min(sizeHint.Value.Width, info.Width));
|
|
int height = Math.Max(texture.Info.Height, Math.Min(sizeHint.Value.Height, info.Height));
|
|
|
|
if (texture.Info.Width != width || texture.Info.Height != height)
|
|
{
|
|
texture.ChangeSize(width, height, info.DepthOrLayers);
|
|
}
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// Attempt to find a texture on the short duration cache.
|
|
/// </summary>
|
|
/// <param name="descriptor">The texture descriptor</param>
|
|
/// <returns>The texture if found, null otherwise</returns>
|
|
public Texture FindShortCache(in TextureDescriptor descriptor)
|
|
{
|
|
return _cache.FindShortCache(descriptor);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Tries to find an existing texture matching the given buffer copy destination. If none is found, returns null.
|
|
/// </summary>
|
|
/// <param name="memoryManager">GPU memory manager where the texture is mapped</param>
|
|
/// <param name="gpuVa">GPU virtual address of the texture</param>
|
|
/// <param name="bpp">Bytes per pixel</param>
|
|
/// <param name="stride">If <paramref name="linear"/> is true, should have the texture stride, otherwise ignored</param>
|
|
/// <param name="height">If <paramref name="linear"/> is false, should have the texture height, otherwise ignored</param>
|
|
/// <param name="xCount">Number of pixels to be copied per line</param>
|
|
/// <param name="yCount">Number of lines to be copied</param>
|
|
/// <param name="linear">True if the texture has a linear layout, false otherwise</param>
|
|
/// <param name="gobBlocksInY">If <paramref name="linear"/> is false, the amount of GOB blocks in the Y axis</param>
|
|
/// <param name="gobBlocksInZ">If <paramref name="linear"/> is false, the amount of GOB blocks in the Z axis</param>
|
|
/// <returns>A matching texture, or null if there is no match</returns>
|
|
public Texture FindTexture(
|
|
MemoryManager memoryManager,
|
|
ulong gpuVa,
|
|
int bpp,
|
|
int stride,
|
|
int height,
|
|
int xCount,
|
|
int yCount,
|
|
bool linear,
|
|
int gobBlocksInY,
|
|
int gobBlocksInZ)
|
|
{
|
|
ulong address = memoryManager.Translate(gpuVa);
|
|
|
|
if (address == MemoryManager.PteUnmapped)
|
|
{
|
|
return null;
|
|
}
|
|
|
|
int addressMatches = _textures.FindOverlaps(address, ref _textureOverlaps);
|
|
Texture textureMatch = null;
|
|
|
|
for (int i = 0; i < addressMatches; i++)
|
|
{
|
|
Texture texture = _textureOverlaps[i];
|
|
FormatInfo format = texture.Info.FormatInfo;
|
|
|
|
if (texture.Info.DepthOrLayers > 1 || texture.Info.Levels > 1 || texture.Info.FormatInfo.IsCompressed)
|
|
{
|
|
// Don't support direct buffer copies to anything that isn't a single 2D image, uncompressed.
|
|
continue;
|
|
}
|
|
|
|
bool match;
|
|
|
|
if (linear)
|
|
{
|
|
// Size is not available for linear textures. Use the stride and end of the copy region instead.
|
|
|
|
match = texture.Info.IsLinear && texture.Info.Stride == stride && yCount == texture.Info.Height;
|
|
}
|
|
else
|
|
{
|
|
// Bpp may be a mismatch between the target texture and the param.
|
|
// Due to the way linear strided and block layouts work, widths can be multiplied by Bpp for comparison.
|
|
// Note: tex.Width is the aligned texture size. Prefer param.XCount, as the destination should be a texture with that exact size.
|
|
|
|
bool sizeMatch = xCount * bpp == texture.Info.Width * format.BytesPerPixel && height == texture.Info.Height;
|
|
bool formatMatch = !texture.Info.IsLinear &&
|
|
texture.Info.GobBlocksInY == gobBlocksInY &&
|
|
texture.Info.GobBlocksInZ == gobBlocksInZ;
|
|
|
|
match = sizeMatch && formatMatch;
|
|
}
|
|
|
|
if (match)
|
|
{
|
|
if (textureMatch == null)
|
|
{
|
|
textureMatch = texture;
|
|
}
|
|
else if (texture.Group != textureMatch.Group)
|
|
{
|
|
return null; // It's ambiguous which texture should match between multiple choices, so leave it up to the slow path.
|
|
}
|
|
}
|
|
}
|
|
|
|
return textureMatch;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Resizes the temporary buffer used for range list intersection results, if it has grown too much.
|
|
/// </summary>
|
|
private void ShrinkOverlapsBufferIfNeeded()
|
|
{
|
|
if (_textureOverlaps.Length > OverlapsBufferMaxCapacity)
|
|
{
|
|
Array.Resize(ref _textureOverlaps, OverlapsBufferMaxCapacity);
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// Adjusts the size of the texture information for a given mipmap level,
|
|
/// based on the size of a parent texture.
|
|
/// </summary>
|
|
/// <param name="parent">The parent texture</param>
|
|
/// <param name="info">The texture information to be adjusted</param>
|
|
/// <param name="firstLevel">The first level of the texture view</param>
|
|
/// <returns>The adjusted texture information with the new size</returns>
|
|
private static TextureInfo AdjustSizes(Texture parent, TextureInfo info, int firstLevel)
|
|
{
|
|
// When the texture is used as view of another texture, we must
|
|
// ensure that the sizes are valid, otherwise data uploads would fail
|
|
// (and the size wouldn't match the real size used on the host API).
|
|
// Given a parent texture from where the view is created, we have the
|
|
// following rules:
|
|
// - The view size must be equal to the parent size, divided by (2 ^ l),
|
|
// where l is the first mipmap level of the view. The division result must
|
|
// be rounded down, and the result must be clamped to 1.
|
|
// - If the parent format is compressed, and the view format isn't, the
|
|
// view size is calculated as above, but the width and height of the
|
|
// view must be also divided by the compressed format block width and height.
|
|
// - If the parent format is not compressed, and the view is, the view
|
|
// size is calculated as described on the first point, but the width and height
|
|
// of the view must be also multiplied by the block width and height.
|
|
int width = Math.Max(1, parent.Info.Width >> firstLevel);
|
|
int height = Math.Max(1, parent.Info.Height >> firstLevel);
|
|
|
|
if (parent.Info.FormatInfo.IsCompressed && !info.FormatInfo.IsCompressed)
|
|
{
|
|
width = BitUtils.DivRoundUp(width, parent.Info.FormatInfo.BlockWidth);
|
|
height = BitUtils.DivRoundUp(height, parent.Info.FormatInfo.BlockHeight);
|
|
}
|
|
else if (!parent.Info.FormatInfo.IsCompressed && info.FormatInfo.IsCompressed)
|
|
{
|
|
width *= info.FormatInfo.BlockWidth;
|
|
height *= info.FormatInfo.BlockHeight;
|
|
}
|
|
|
|
int depthOrLayers;
|
|
|
|
if (info.Target == Target.Texture3D)
|
|
{
|
|
depthOrLayers = Math.Max(1, parent.Info.DepthOrLayers >> firstLevel);
|
|
}
|
|
else
|
|
{
|
|
depthOrLayers = info.DepthOrLayers;
|
|
}
|
|
|
|
// 2D and 2D multisample textures are not considered compatible.
|
|
// This specific case is required for copies, where the source texture might be multisample.
|
|
// In this case, we inherit the parent texture multisample state.
|
|
Target target = info.Target;
|
|
int samplesInX = info.SamplesInX;
|
|
int samplesInY = info.SamplesInY;
|
|
|
|
if (target == Target.Texture2D && parent.Target == Target.Texture2DMultisample)
|
|
{
|
|
target = Target.Texture2DMultisample;
|
|
samplesInX = parent.Info.SamplesInX;
|
|
samplesInY = parent.Info.SamplesInY;
|
|
}
|
|
|
|
return new TextureInfo(
|
|
info.GpuAddress,
|
|
width,
|
|
height,
|
|
depthOrLayers,
|
|
info.Levels,
|
|
samplesInX,
|
|
samplesInY,
|
|
info.Stride,
|
|
info.IsLinear,
|
|
info.GobBlocksInY,
|
|
info.GobBlocksInZ,
|
|
info.GobBlocksInTileX,
|
|
target,
|
|
info.FormatInfo,
|
|
info.DepthStencilMode,
|
|
info.SwizzleR,
|
|
info.SwizzleG,
|
|
info.SwizzleB,
|
|
info.SwizzleA);
|
|
}
|
|
|
|
|
|
/// <summary>
|
|
/// Gets a texture creation information from texture information.
|
|
/// This can be used to create new host textures.
|
|
/// </summary>
|
|
/// <param name="info">Texture information</param>
|
|
/// <param name="caps">GPU capabilities</param>
|
|
/// <param name="scale">Texture scale factor, to be applied to the texture size</param>
|
|
/// <returns>The texture creation information</returns>
|
|
public static TextureCreateInfo GetCreateInfo(TextureInfo info, Capabilities caps, float scale)
|
|
{
|
|
FormatInfo formatInfo = TextureCompatibility.ToHostCompatibleFormat(info, caps);
|
|
|
|
if (info.Target == Target.TextureBuffer && !caps.SupportsSnormBufferTextureFormat)
|
|
{
|
|
// If the host does not support signed normalized formats, we use a signed integer format instead.
|
|
// The shader will need the appropriate conversion code to compensate.
|
|
switch (formatInfo.Format)
|
|
{
|
|
case Format.R8Snorm:
|
|
formatInfo = new FormatInfo(Format.R8Sint, 1, 1, 1, 1);
|
|
break;
|
|
case Format.R16Snorm:
|
|
formatInfo = new FormatInfo(Format.R16Sint, 1, 1, 2, 1);
|
|
break;
|
|
case Format.R8G8Snorm:
|
|
formatInfo = new FormatInfo(Format.R8G8Sint, 1, 1, 2, 2);
|
|
break;
|
|
case Format.R16G16Snorm:
|
|
formatInfo = new FormatInfo(Format.R16G16Sint, 1, 1, 4, 2);
|
|
break;
|
|
case Format.R8G8B8A8Snorm:
|
|
formatInfo = new FormatInfo(Format.R8G8B8A8Sint, 1, 1, 4, 4);
|
|
break;
|
|
case Format.R16G16B16A16Snorm:
|
|
formatInfo = new FormatInfo(Format.R16G16B16A16Sint, 1, 1, 8, 4);
|
|
break;
|
|
}
|
|
}
|
|
|
|
int width = info.Width / info.SamplesInX;
|
|
int height = info.Height / info.SamplesInY;
|
|
|
|
int depth = info.GetDepth() * info.GetLayers();
|
|
|
|
if (scale != 1f)
|
|
{
|
|
width = (int)MathF.Ceiling(width * scale);
|
|
height = (int)MathF.Ceiling(height * scale);
|
|
}
|
|
|
|
return new TextureCreateInfo(
|
|
width,
|
|
height,
|
|
depth,
|
|
info.Levels,
|
|
info.Samples,
|
|
formatInfo.BlockWidth,
|
|
formatInfo.BlockHeight,
|
|
formatInfo.BytesPerPixel,
|
|
formatInfo.Format,
|
|
info.DepthStencilMode,
|
|
info.Target,
|
|
info.SwizzleR,
|
|
info.SwizzleG,
|
|
info.SwizzleB,
|
|
info.SwizzleA);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Removes a texture from the cache.
|
|
/// </summary>
|
|
/// <remarks>
|
|
/// This only removes the texture from the internal list, not from the auto-deletion cache.
|
|
/// It may still have live references after the removal.
|
|
/// </remarks>
|
|
/// <param name="texture">The texture to be removed</param>
|
|
public void RemoveTextureFromCache(Texture texture)
|
|
{
|
|
lock (_textures)
|
|
{
|
|
_textures.Remove(texture);
|
|
}
|
|
|
|
lock (_partiallyMappedTextures)
|
|
{
|
|
_partiallyMappedTextures.Remove(texture);
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// Queues the removal of a texture from the auto delete cache.
|
|
/// </summary>
|
|
/// <remarks>
|
|
/// This function is thread safe and can be called from any thread.
|
|
/// The texture will be deleted on the next time the cache is used.
|
|
/// </remarks>
|
|
/// <param name="texture">The texture to be removed</param>
|
|
public void QueueAutoDeleteCacheRemoval(Texture texture)
|
|
{
|
|
_cache.RemoveDeferred(texture);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Adds a texture to the short duration cache. This typically keeps it alive for two ticks.
|
|
/// </summary>
|
|
/// <param name="texture">Texture to add to the short cache</param>
|
|
/// <param name="descriptor">Last used texture descriptor</param>
|
|
public void AddShortCache(Texture texture, ref TextureDescriptor descriptor)
|
|
{
|
|
_cache.AddShortCache(texture, ref descriptor);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Removes a texture from the short duration cache.
|
|
/// </summary>
|
|
/// <param name="texture">Texture to remove from the short cache</param>
|
|
public void RemoveShortCache(Texture texture)
|
|
{
|
|
_cache.RemoveShortCache(texture);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Ticks periodic elements of the texture cache.
|
|
/// </summary>
|
|
public void Tick()
|
|
{
|
|
_cache.ProcessShortCache();
|
|
}
|
|
|
|
/// <summary>
|
|
/// Disposes all textures and samplers in the cache.
|
|
/// It's an error to use the texture cache after disposal.
|
|
/// </summary>
|
|
public void Dispose()
|
|
{
|
|
lock (_textures)
|
|
{
|
|
foreach (Texture texture in _textures)
|
|
{
|
|
texture.Dispose();
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|