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Add encoding support for BC1, BC4 and BC5

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Exter-N 2025-03-12 20:03:53 +01:00
parent e7f7077e96
commit 442ae960cf
3 changed files with 21 additions and 10 deletions
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3
Penumbra/Import/Textures/CombinedTexture.cs
View file

@ -6,7 +6,10 @@ public partial class CombinedTexture : IDisposable
{
AsIs,
Bitmap,
BC1,
BC3,
BC4,
BC5,
BC7,
}

16
Penumbra/Import/Textures/TextureManager.cs
View file

@ -204,8 +204,11 @@ public sealed class TextureManager(IDataManager gameData, Logger logger, ITextur
rgba, width, height),
CombinedTexture.TextureSaveType.AsIs when imageTypeBehaviour is TextureType.Dds => AddMipMaps(image.AsDds!, _mipMaps),
CombinedTexture.TextureSaveType.Bitmap => ConvertToRgbaDds(image, _mipMaps, cancel, rgba, width, height),
CombinedTexture.TextureSaveType.BC3 => _textures.ConvertToCompressedDds(image, _mipMaps, false, cancel, rgba, width, height),
CombinedTexture.TextureSaveType.BC7 => _textures.ConvertToCompressedDds(image, _mipMaps, true, cancel, rgba, width, height),
CombinedTexture.TextureSaveType.BC1 => _textures.ConvertToCompressedDds(image, _mipMaps, DXGIFormat.BC1UNorm, cancel, rgba, width, height),
CombinedTexture.TextureSaveType.BC3 => _textures.ConvertToCompressedDds(image, _mipMaps, DXGIFormat.BC3UNorm, cancel, rgba, width, height),
CombinedTexture.TextureSaveType.BC4 => _textures.ConvertToCompressedDds(image, _mipMaps, DXGIFormat.BC4UNorm, cancel, rgba, width, height),
CombinedTexture.TextureSaveType.BC5 => _textures.ConvertToCompressedDds(image, _mipMaps, DXGIFormat.BC5UNorm, cancel, rgba, width, height),
CombinedTexture.TextureSaveType.BC7 => _textures.ConvertToCompressedDds(image, _mipMaps, DXGIFormat.BC7UNorm, cancel, rgba, width, height),
_ => throw new Exception("Wrong save type."),
};
@ -323,7 +326,7 @@ public sealed class TextureManager(IDataManager gameData, Logger logger, ITextur
}
/// <summary> Convert an existing image to a block compressed .dds. Does not create a deep copy of an existing dds of the correct format and just returns the existing one. </summary>
public BaseImage ConvertToCompressedDds(BaseImage input, bool mipMaps, bool bc7, CancellationToken cancel, byte[]? rgba = null,
public BaseImage ConvertToCompressedDds(BaseImage input, bool mipMaps, DXGIFormat format, CancellationToken cancel, byte[]? rgba = null,
int width = 0, int height = 0)
{
switch (input.Type.ReduceToBehaviour())
@ -334,12 +337,12 @@ public sealed class TextureManager(IDataManager gameData, Logger logger, ITextur
cancel.ThrowIfCancellationRequested();
var dds = ConvertToDds(rgba, width, height).AsDds!;
cancel.ThrowIfCancellationRequested();
return CreateCompressed(dds, mipMaps, bc7, cancel);
return CreateCompressed(dds, mipMaps, format, cancel);
}
case TextureType.Dds:
{
var scratch = input.AsDds!;
return CreateCompressed(scratch, mipMaps, bc7, cancel);
return CreateCompressed(scratch, mipMaps, format, cancel);
}
default: return new BaseImage();
}
@ -387,9 +390,8 @@ public sealed class TextureManager(IDataManager gameData, Logger logger, ITextur
}
/// <summary> Create a BC3 or BC7 block-compressed .dds from the input (optionally with mipmaps). Returns input (+ mipmaps) if it is already the correct format. </summary>
public ScratchImage CreateCompressed(ScratchImage input, bool mipMaps, bool bc7, CancellationToken cancel)
public ScratchImage CreateCompressed(ScratchImage input, bool mipMaps, DXGIFormat format, CancellationToken cancel)
{
var format = bc7 ? DXGIFormat.BC7UNorm : DXGIFormat.BC3UNorm;
if (input.Meta.Format == format)
return input;

12
Penumbra/UI/AdvancedWindow/ModEditWindow.Textures.cs
View file

@ -26,9 +26,15 @@ public partial class ModEditWindow
("As Is", "Save the current texture with its own format without additional conversion or compression, if possible."),
("RGBA (Uncompressed)",
"Save the current texture as an uncompressed BGRA bitmap. This requires the most space but technically offers the best quality."),
("BC3 (Simple Compression)",
"Save the current texture compressed via BC3/DXT5 compression. This offers a 4:1 compression ratio and is quick with acceptable quality."),
("BC7 (Complex Compression)",
("BC1 (Simple Compression for Opaque RGB)",
"Save the current texture compressed via BC1/DXT1 compression. This offers a 8:1 compression ratio and is quick with acceptable quality, but only supports RGB, without Alpha."),
("BC3 (Simple Compression for RGBA)",
"Save the current texture compressed via BC3/DXT5 compression. This offers a 4:1 compression ratio and is quick with acceptable quality, and fully supports RGBA."),
("BC4 (Simple Compression for Opaque Grayscale)",
"Save the current texture compressed via BC4 compression. This offers a 8:1 compression ratio and has almost indistinguishable quality, but only supports Grayscale, without Alpha."),
("BC5 (Simple Compression for Opaque RG)",
"Save the current texture compressed via BC5 compression. This offers a 4:1 compression ratio and has almost indistinguishable quality, but only supports RG, without B or Alpha."),
("BC7 (Complex Compression for RGBA)",
"Save the current texture compressed via BC7 compression. This offers a 4:1 compression ratio and has almost indistinguishable quality, but may take a while."),
};