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Allow creating texture aliases on texture pool

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This commit is contained in:
gdkchan 2024-09-14 21:45:24 -03:00
parent 2f36a6665c
commit 4d9575f76b
3 changed files with 300 additions and 7 deletions
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115
src/Ryujinx.Graphics.Gpu/Image/FormatTable.cs
View file

@ -711,5 +711,120 @@ namespace Ryujinx.Graphics.Gpu.Image
return result;
}
/// <summary>
/// Gets the bytes per pixel for a image compatible format.
/// </summary>
/// <param name="format">Format</param>
/// <returns>Bytes per pixel, or zero if the format is not a image compatible format</returns>
public static int GetImageFormatBytesPerPixel(Format format)
{
switch (format)
{
case Format.R8Unorm:
case Format.R8Snorm:
case Format.R8Uint:
case Format.R8Sint:
return 1;
case Format.R16Float:
case Format.R16Unorm:
case Format.R16Snorm:
case Format.R16Uint:
case Format.R16Sint:
case Format.R8G8Unorm:
case Format.R8G8Snorm:
case Format.R8G8Uint:
case Format.R8G8Sint:
return 2;
case Format.R32Float:
case Format.R32Uint:
case Format.R32Sint:
case Format.R16G16Float:
case Format.R16G16Unorm:
case Format.R16G16Snorm:
case Format.R16G16Uint:
case Format.R16G16Sint:
case Format.R8G8B8A8Unorm:
case Format.R8G8B8A8Snorm:
case Format.R8G8B8A8Uint:
case Format.R8G8B8A8Sint:
case Format.R10G10B10A2Unorm:
case Format.R10G10B10A2Uint:
case Format.R11G11B10Float:
return 4;
case Format.R32G32Float:
case Format.R32G32Uint:
case Format.R32G32Sint:
case Format.R16G16B16A16Float:
case Format.R16G16B16A16Unorm:
case Format.R16G16B16A16Snorm:
case Format.R16G16B16A16Uint:
case Format.R16G16B16A16Sint:
return 8;
case Format.R32G32B32A32Float:
case Format.R32G32B32A32Uint:
case Format.R32G32B32A32Sint:
return 16;
}
return 0;
}
/// <summary>
/// Gets the amount of components (RGBA) for a image compatible format.
/// </summary>
/// <param name="format">Format</param>
/// <returns>Number of components (from 1 to 4), or zero if the format is not a image compatible format</returns>
public static int GetImageFormatComponents(Format format)
{
switch (format)
{
case Format.R8Unorm:
case Format.R8Snorm:
case Format.R8Uint:
case Format.R8Sint:
case Format.R16Float:
case Format.R16Unorm:
case Format.R16Snorm:
case Format.R16Uint:
case Format.R16Sint:
case Format.R32Float:
case Format.R32Uint:
case Format.R32Sint:
return 1;
case Format.R8G8Unorm:
case Format.R8G8Snorm:
case Format.R8G8Uint:
case Format.R8G8Sint:
case Format.R16G16Float:
case Format.R16G16Unorm:
case Format.R16G16Snorm:
case Format.R16G16Uint:
case Format.R16G16Sint:
case Format.R32G32Float:
case Format.R32G32Uint:
case Format.R32G32Sint:
return 2;
case Format.R11G11B10Float:
return 3;
case Format.R8G8B8A8Unorm:
case Format.R8G8B8A8Snorm:
case Format.R8G8B8A8Uint:
case Format.R8G8B8A8Sint:
case Format.R10G10B10A2Unorm:
case Format.R10G10B10A2Uint:
case Format.R16G16B16A16Float:
case Format.R16G16B16A16Unorm:
case Format.R16G16B16A16Snorm:
case Format.R16G16B16A16Uint:
case Format.R16G16B16A16Sint:
case Format.R32G32B32A32Float:
case Format.R32G32B32A32Uint:
case Format.R32G32B32A32Sint:
return 4;
}
return 0;
}
}
}

8
src/Ryujinx.Graphics.Gpu/Image/TextureBindingsManager.cs
View file

@ -629,7 +629,7 @@ namespace Ryujinx.Graphics.Gpu.Image
cachedTexture.SignalModified();
}
Format format = bindingInfo.Format == 0 ? cachedTexture.Format : bindingInfo.Format;
Format format = cachedTexture.Format; // bindingInfo.Format == 0 ? cachedTexture.Format : bindingInfo.Format;
if (state.ImageFormat != format ||
((usageFlags & TextureUsageFlags.NeedsScaleValue) != 0 &&
@ -648,7 +648,7 @@ namespace Ryujinx.Graphics.Gpu.Image
state.TextureHandle = textureId;
ref readonly TextureDescriptor descriptor = ref pool.GetForBinding(textureId, out Texture texture);
ref readonly TextureDescriptor descriptor = ref pool.GetForBinding(textureId, bindingInfo.Format, out Texture texture);
specStateMatches &= specState.MatchesImage(stage, index, descriptor);
@ -660,7 +660,7 @@ namespace Ryujinx.Graphics.Gpu.Image
// Buffers are frequently re-created to accommodate larger data, so we need to re-bind
// to ensure we're not using a old buffer that was already deleted.
Format format = bindingInfo.Format;
Format format = 0; // bindingInfo.Format;
if (format == 0 && texture != null)
{
@ -689,7 +689,7 @@ namespace Ryujinx.Graphics.Gpu.Image
{
state.Texture = hostTexture;
Format format = bindingInfo.Format;
Format format = 0; // bindingInfo.Format;
if (format == 0 && texture != null)
{

184
src/Ryujinx.Graphics.Gpu/Image/TexturePool.cs
View file

@ -75,6 +75,76 @@ namespace Ryujinx.Graphics.Gpu.Image
private readonly ConcurrentQueue<DereferenceRequest> _dereferenceQueue = new();
private TextureDescriptor _defaultDescriptor;
/// <summary>
/// List of textures that shares the same memory region, but have different formats.
/// </summary>
private class TextureAliasList
{
/// <summary>
/// Alias texture.
/// </summary>
/// <param name="Format">Texture format</param>
/// <param name="Texture">Texture</param>
private readonly record struct Alias(Format Format, Texture Texture);
/// <summary>
/// List of texture aliases.
/// </summary>
private readonly List<Alias> _aliases;
/// <summary>
/// Creates a new instance of the texture alias list.
/// </summary>
public TextureAliasList()
{
_aliases = new List<Alias>();
}
/// <summary>
/// Adds a new texture alias.
/// </summary>
/// <param name="format">Alias format</param>
/// <param name="texture">Alias texture</param>
public void Add(Format format, Texture texture)
{
_aliases.Add(new Alias(format, texture));
texture.IncrementReferenceCount();
}
/// <summary>
/// Finds a texture with the requested format, or returns null if not found.
/// </summary>
/// <param name="format">Format to find</param>
/// <returns>Texture with the requested format, or null if not found</returns>
public Texture Find(Format format)
{
foreach (var alias in _aliases)
{
if (alias.Format == format)
{
return alias.Texture;
}
}
return null;
}
/// <summary>
/// Removes all alias textures.
/// </summary>
public void Destroy()
{
foreach (var entry in _aliases)
{
entry.Texture.DecrementReferenceCount();
}
_aliases.Clear();
}
}
private readonly Dictionary<Texture, TextureAliasList> _aliasLists;
/// <summary>
/// Linked list node used on the texture pool cache.
/// </summary>
@ -95,6 +165,7 @@ namespace Ryujinx.Graphics.Gpu.Image
public TexturePool(GpuContext context, GpuChannel channel, ulong address, int maximumId) : base(context, channel.MemoryManager.Physical, address, maximumId)
{
_channel = channel;
_aliasLists = new Dictionary<Texture, TextureAliasList>();
}
/// <summary>
@ -115,14 +186,13 @@ namespace Ryujinx.Graphics.Gpu.Image
if (texture == null)
{
TextureInfo info = GetInfo(descriptor, out int layerSize);
// The dereference queue can put our texture back on the cache.
if ((texture = ProcessDereferenceQueue(id)) != null)
{
return ref descriptor;
}
TextureInfo info = GetInfo(descriptor, out int layerSize);
texture = PhysicalMemory.TextureCache.FindOrCreateTexture(_channel.MemoryManager, TextureSearchFlags.ForSampler, info, layerSize);
// If this happens, then the texture address is invalid, we can't add it to the cache.
@ -197,6 +267,44 @@ namespace Ryujinx.Graphics.Gpu.Image
return ref GetInternal(id, out texture);
}
/// <summary>
/// Gets the texture descriptor and texture with the given ID.
/// </summary>
/// <remarks>
/// This method assumes that the pool has been manually synchronized before doing binding.
/// </remarks>
/// <param name="id">ID of the texture. This is effectively a zero-based index</param>
/// <param name="texture">The texture with the given ID</param>
/// <returns>The texture descriptor with the given ID</returns>
public ref readonly TextureDescriptor GetForBinding(int id, Format format, out Texture texture)
{
ref readonly TextureDescriptor descriptor = ref GetInternal(id, out texture);
if (texture != null && format != 0 && texture.Format != format)
{
if (!_aliasLists.TryGetValue(texture, out TextureAliasList aliasList))
{
_aliasLists.Add(texture, aliasList = new TextureAliasList());
}
texture = aliasList.Find(format);
if (texture == null)
{
TextureInfo info = GetInfo(descriptor, out int layerSize);
info = ChangeFormat(info, format);
texture = PhysicalMemory.TextureCache.FindOrCreateTexture(_channel.MemoryManager, TextureSearchFlags.ForSampler, info, layerSize);
if (texture != null)
{
aliasList.Add(format, texture);
}
}
}
return ref descriptor;
}
/// <summary>
/// Checks if the pool was modified, and returns the last sequence number where a modification was detected.
/// </summary>
@ -234,6 +342,7 @@ namespace Ryujinx.Graphics.Gpu.Image
else
{
texture.DecrementReferenceCount();
RemoveAliasList(texture);
}
}
@ -327,6 +436,8 @@ namespace Ryujinx.Graphics.Gpu.Image
{
texture.DecrementReferenceCount();
}
RemoveAliasList(texture);
}
return null;
@ -369,6 +480,7 @@ namespace Ryujinx.Graphics.Gpu.Image
if (Interlocked.Exchange(ref Items[id], null) != null)
{
texture.DecrementReferenceCount(this, id);
RemoveAliasList(texture);
}
}
}
@ -622,6 +734,68 @@ namespace Ryujinx.Graphics.Gpu.Image
component == SwizzleComponent.Green;
}
/// <summary>
/// Changes the format on the texture information structure, and also adjusts the width for the new format if needed.
/// </summary>
/// <param name="info">Texture information</param>
/// <param name="dstFormat">New format</param>
/// <returns>Texture information with the new format</returns>
private static TextureInfo ChangeFormat(in TextureInfo info, Format dstFormat)
{
int dstBpp = FormatTable.GetImageFormatBytesPerPixel(dstFormat);
if (dstBpp == 0)
{
// We don't support the format. Should never happen in practice.
return info;
}
FormatInfo dstFormatInfo = new FormatInfo(dstFormat, 1, 1, dstBpp, FormatTable.GetImageFormatComponents(dstFormat));
int width = info.Width;
if (info.FormatInfo.BytesPerPixel != dstBpp)
{
int stride = width * info.FormatInfo.BytesPerPixel;
width = stride / dstBpp;
}
return new TextureInfo(
info.GpuAddress,
width,
info.Height,
info.DepthOrLayers,
info.Levels,
info.SamplesInX,
info.SamplesInY,
info.Stride,
info.IsLinear,
info.GobBlocksInY,
info.GobBlocksInZ,
info.GobBlocksInTileX,
info.Target,
dstFormatInfo,
info.DepthStencilMode,
info.SwizzleR,
info.SwizzleG,
info.SwizzleB,
info.SwizzleA);
}
/// <summary>
/// Removes all aliases for a texture.
/// </summary>
/// <param name="texture">Texture to have the aliases removed</param>
private void RemoveAliasList(Texture texture)
{
if (_aliasLists.TryGetValue(texture, out TextureAliasList aliasList))
{
_aliasLists.Remove(texture);
aliasList.Destroy();
}
}
/// <summary>
/// Decrements the reference count of the texture.
/// This indicates that the texture pool is not using it anymore.
@ -629,7 +803,11 @@ namespace Ryujinx.Graphics.Gpu.Image
/// <param name="item">The texture to be deleted</param>
protected override void Delete(Texture item)
{
item?.DecrementReferenceCount(this);
if (item != null)
{
item.DecrementReferenceCount(this);
RemoveAliasList(item);
}
}
public override void Dispose()