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[GPU] Memoize texture lookups of DCC images

This commit is contained in:
ParantezTech 2026-10-11 01:39:41 +03:00
parent dc73931dd6
commit ca076237c6
1 changed files with 11 additions and 3 deletions
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14
src/SharpEmu.Libs/VideoOut/VulkanVideoPresenter.Descriptors.cs
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@ -120,6 +120,8 @@ internal static unsafe partial class VulkanVideoPresenter
public ulong Generation;
public TextureRequestResolution Resolution;
public ResourceSlotIdentifier Found;
public uint MetadataBaseLayer;
public bool CompletesLookup;
public readonly bool Matches(uint[] words, ulong generation) =>
Words is not null && Generation == generation && words.AsSpan().SequenceEqual(Words);
@ -166,22 +168,28 @@ internal static unsafe partial class VulkanVideoPresenter
{
resolution = memo.Resolution;
imageIdentifier = memo.Found;
if (memo.CompletesLookup)
{
_imageCache.CompleteLookup(imageIdentifier, resolution.Request, memo.MetadataBaseLayer);
}
}
else
{
resolution = ImageRequestBuilders.Texture(words, ShapeOf(image));
var request = resolution.Request;
var metadataBaseLayer = request.View.BaseLayer;
imageIdentifier = _imageCache.FindImage(ref request, resolution.ExactFormat);
resolution = resolution with { Request = request };
// An empty range or DCC metadata needs the full lookup on every draw.
memo = !ImageDescription.IsEmptyRange(request.Description.Data) &&
_imageCache.GetImage(imageIdentifier).Description.DccSliceSize == 0
memo = !ImageDescription.IsEmptyRange(request.Description.Data)
? new ImageBindingMemo
{
Words = (uint[])words.Clone(),
Generation = _imageCache.LookupGeneration,
Resolution = resolution,
Found = imageIdentifier,
MetadataBaseLayer = metadataBaseLayer,
CompletesLookup = request.Description.Metadata.Kind == MetadataKind.Dcc ||
_imageCache.GetImage(imageIdentifier).Description.DccSliceSize != 0,
}
: default;
}