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[Tests] Cover DCC metadata adopted from a texture request 

Co-authored-by: Sekai <140012992+igettingit@users.noreply.github.com>
This commit is contained in:
ParantezTech 2026-10-06 16:06:17 +03:00
parent 2295a55bd1
commit 3f8649449c
1 changed files with 35 additions and 0 deletions
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35
tests/SharpEmu.Libs.Tests/Gpu/Images/GuestImageCacheTests.Metadata.cs
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@ -196,6 +196,41 @@ public sealed partial class GuestImageCacheTests
harness.Shutdown();
}
[Fact]
public void ATextureRequestWithDcc_GivesAnImageFoundWithoutMetadataItsDccMetadata()
{
if (!GatePrerequisites.Ready(_vulkan)) return;
using var harness = new CacheHarness(_vulkan);
const ulong SliceSize = 0x1000;
var address = harness.MapBacked(0x20000, ReadWrite);
var metadata = address + 0x10000;
var plain = LinearRequest(address + 0xc000, 4, Format.R8G8B8A8Unorm, GuestPixelFormat.Bits8_8_8_8UNorm, GuestImageType.Color2D, new Extent3D(1, 1, 1), 1, 4, 1);
var imageId = harness.Find(ref plain);
var image = harness.Image(imageId);
image.Description.TileMode = GuestTileMode.RenderTarget;
Assert.Equal(MetadataKind.None, image.Description.Metadata.Kind);
harness.Write(metadata, Enumerable.Repeat((byte)0x55, (int)SliceSize).ToArray());
harness.Worker.Run(() =>
{
Assert.NotNull(harness.Cache.ObtainBuffer(metadata, SliceSize, isWritten: true).Buffer);
harness.Cache.FillBuffer(metadata, SliceSize, 0, isGds: false);
});
Assert.True(harness.Cache.HasGpuDirtyBytes(metadata, SliceSize));
var compressed = plain;
compressed.Description.TileMode = GuestTileMode.RenderTarget;
compressed.Description.Metadata.Kind = MetadataKind.Dcc;
compressed.Description.Metadata.Range = new GuestSpan(metadata, 0);
Assert.Equal(imageId, harness.Find(ref compressed));
Assert.Equal(MetadataKind.Dcc, image.Description.Metadata.Kind);
Assert.Equal(metadata, image.Description.Metadata.Range.Address);
Assert.Equal(SliceSize, image.Description.DccSliceSize);
Assert.False(harness.Cache.HasGpuDirtyBytes(metadata, SliceSize));
Assert.True(harness.Images.TryReadGuestDccClear(metadata, SliceSize, 0, out _, out var code));
Assert.Equal(0x00, code);
harness.Shutdown();
}
[Fact]
public void GuestDccClear_ReadsOnlyUniformClearSlices()
{