Bump Microsoft.NET.Test.Sdk from 18.3.0 to 18.5.1

---
updated-dependencies:
- dependency-name: Microsoft.NET.Test.Sdk
  dependency-version: 18.5.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

.github/workflows/build.yml

@@ -12,11 +12,11 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
     - name: Setup .NET
-      uses: actions/setup-dotnet@v4.0.1
+      uses: actions/setup-dotnet@v5.1.0
       with:
-        dotnet-version: 8.0.x
+        dotnet-version: 9.0.x
     - name: Restore dependencies
       run: dotnet restore
     - name: Build

AssetRipper.TextureDecoder.Benchmarks/Argb32Decoding.cs

@@ -1,25 +0,0 @@
-using AssetRipper.TextureDecoder.Rgb;
-using AssetRipper.TextureDecoder.Rgb.Formats;
-using BenchmarkDotNet.Attributes;
-
-namespace AssetRipper.TextureDecoder.Benchmarks;
-
-public class Argb32Decoding
-{
-	private const int Width = 256;//ignoring smaller mips
-	private const int Height = 256;//ignoring smaller mips
-	private readonly byte[] inputData;
-	private readonly byte[] outputData;
-
-	public Argb32Decoding()
-	{
-		inputData = File.ReadAllBytes(PathConstants.PathToTestFiles + "Rgb/" + "test.argb32");
-		outputData = new byte[Width * Height * sizeof(uint)];
-	}
-
-	[Benchmark]
-	public int OriginalMethod() => RgbConverter.ARGB32ToBGRA32(inputData, Width, Height, outputData);
-
-	[Benchmark]
-	public int GenericMethod() => RgbConverter.Convert<ColorARGB32, byte, ColorBGRA32, byte>(inputData, Width, Height, outputData);
-}

AssetRipper.TextureDecoder.Benchmarks/AssetRipper.TextureDecoder.Benchmarks.csproj

@@ -1,15 +0,0 @@
-<Project Sdk="Microsoft.NET.Sdk">
-
-	<PropertyGroup>
-		<OutputType>Exe</OutputType>
-	</PropertyGroup>
-
-	<ItemGroup>
-		<PackageReference Include="BenchmarkDotNet" Version="0.13.12" />
-	</ItemGroup>
-
-	<ItemGroup>
-		<ProjectReference Include="..\AssetRipper.TextureDecoder\AssetRipper.TextureDecoder.csproj" />
-	</ItemGroup>
-
-</Project>

AssetRipper.TextureDecoder.Benchmarks/PathConstants.cs

@@ -1,7 +0,0 @@
-namespace AssetRipper.TextureDecoder.Benchmarks;
-
-internal static class PathConstants
-{
-	internal const string PathToRepositoryRoot = "../../../../../../../../";
-	internal const string PathToTestFiles = PathToRepositoryRoot + "TestFiles/";
-}

AssetRipper.TextureDecoder.Benchmarks/Program.cs

@@ -1,11 +0,0 @@
-using BenchmarkDotNet.Running;
-
-namespace AssetRipper.TextureDecoder.Benchmarks;
-
-internal class Program
-{
-	static void Main()
-	{
-		BenchmarkRunner.Run(typeof(Program).Assembly);
-	}
-}

AssetRipper.TextureDecoder.Benchmarks/Rgb9e5Decoding.cs

@@ -1,25 +0,0 @@
-using AssetRipper.TextureDecoder.Rgb;
-using AssetRipper.TextureDecoder.Rgb.Formats;
-using BenchmarkDotNet.Attributes;
-
-namespace AssetRipper.TextureDecoder.Benchmarks;
-
-public class Rgb9e5Decoding
-{
-	private const int Width = 256;//ignoring smaller mips
-	private const int Height = 256;//ignoring smaller mips
-	private readonly byte[] inputData;
-	private readonly byte[] outputData;
-
-	public Rgb9e5Decoding()
-	{
-		inputData = File.ReadAllBytes(PathConstants.PathToTestFiles + "Rgb/" + "test.rgb9e5float");
-		outputData = new byte[Width * Height * sizeof(uint)];
-	}
-
-	[Benchmark]
-	public int OriginalMethod() => RgbConverter.RGB9e5FloatToBGRA32(inputData, Width, Height, outputData);
-
-	[Benchmark]
-	public int GenericMethod() => RgbConverter.Convert<ColorRGB9e5, double, ColorBGRA32, byte>(inputData, Width, Height, outputData);
-}

AssetRipper.TextureDecoder.ColorGenerator/AssetRipper.TextureDecoder.ColorGenerator.csproj

@@ -5,7 +5,7 @@
 	</PropertyGroup>
 
 	<ItemGroup>
-		<PackageReference Include="AssetRipper.Text.SourceGeneration" Version="1.1.0" />
+		<PackageReference Include="AssetRipper.Text.SourceGeneration" Version="1.2.3" />
 	</ItemGroup>
 
 	<ItemGroup>

AssetRipper.TextureDecoder.ColorGenerator/NumericConversionGenerator.cs

@@ -82,14 +82,14 @@ internal static class NumericConversionGenerator
 			writer.WriteLine("if (typeof(TFrom) == typeof(TTo))");
 			using (new CurlyBrackets(writer))
 			{
-				writer.WriteLine("return Unsafe.As<TFrom, TTo>(ref value);");
+				writer.WriteLine("return Unsafe.BitCast<TFrom, TTo>(value);");
 			}
 			foreach (CSharpPrimitives.Data from in CSharpPrimitives.List)
 			{
 				writer.WriteLine($"else if (typeof(TFrom) == typeof({from.LangName}))");
 				using (new CurlyBrackets(writer))
 				{
-					writer.WriteLine($"return {ConvertMethodName(from.Type)}<TTo>(Unsafe.As<TFrom, {from.LangName}>(ref value));");
+					writer.WriteLine($"return {ConvertMethodName(from.Type)}<TTo>(Unsafe.BitCast<TFrom, {from.LangName}>(value));");
 				}
 			}
 			writer.WriteLine("else");
@@ -133,40 +133,41 @@ internal static class NumericConversionGenerator
 					{
 						if (from == to)
 						{
-							writer.WriteLine($"return Unsafe.As<{to.LangName}, TTo>(ref value);");
+							writer.WriteLine($"return Unsafe.BitCast<{to.LangName}, TTo>(value);");
 						}
 						else if (to.HasPointerSize(out CSharpPrimitives.Data? bit32To, out CSharpPrimitives.Data? bit64To))
 						{
 							using (new If(writer, "IntPtr.Size == sizeof(int)"))
 							{
 								writer.WriteLine($"{to.LangName} converted = ({to.LangName}){methodName}<{bit32To.LangName}>(value);");
-								writer.WriteLine($"return Unsafe.As<{to.LangName}, TTo>(ref converted);");
+								writer.WriteLine($"return Unsafe.BitCast<{to.LangName}, TTo>(converted);");
 							}
 							using (new Else(writer))
 							{
 								writer.WriteLine($"{to.LangName} converted = ({to.LangName}){methodName}<{bit64To.LangName}>(value);");
-								writer.WriteLine($"return Unsafe.As<{to.LangName}, TTo>(ref converted);");
+								writer.WriteLine($"return Unsafe.BitCast<{to.LangName}, TTo>(converted);");
 							}
 						}
 						else if (to.IsSignedInteger(out CSharpPrimitives.Data? unsignedTo))
 						{
 							writer.WriteLine($"{to.LangName} converted = {ChangeSign}({methodName}<{unsignedTo.LangName}>(value));");
-							writer.WriteLine($"return Unsafe.As<{to.LangName}, TTo>(ref converted);");
+							writer.WriteLine($"return Unsafe.BitCast<{to.LangName}, TTo>(converted);");
 						}
 						else if (from.IsFloatingPoint)
 						{
 							if (to.IsFloatingPoint)
 							{
 								writer.WriteLine($"{to.LangName} converted = ({to.LangName})value;");
-								writer.WriteLine($"return Unsafe.As<{to.LangName}, TTo>(ref converted);");
+								writer.WriteLine($"return Unsafe.BitCast<{to.LangName}, TTo>(converted);");
 							}
 							else
 							{
 								Debug.Assert(to.IsUnsignedInteger);
-								if (from.Type == typeof(Half))
+								CSharpPrimitives.Data conversionType = CSharpPrimitives.GetDataForIntegerFloatingPointConversion(to, from);
+								if (conversionType != from)
 								{
-									writer.WriteComment("We use float because it has enough precision to convert from Half to any integer type.");
-									writer.WriteLine($"return {ConvertMethodName(typeof(float))}<TTo>((float)value);");
+									writer.WriteComment($"We use {conversionType.LangName} because it has enough precision to convert from {from.LangName} to {to.LangName}.");
+									writer.WriteLine($"return {ConvertMethodName(conversionType.Type)}<TTo>(({conversionType.LangName})value);");
 								}
 								else
 								{
@@ -175,7 +176,7 @@ internal static class NumericConversionGenerator
 									string maxValue = to.MaxValue;
 									writer.WriteLine($"{from.LangName} x = value * ({from.LangName}){maxValue};");
 									writer.WriteLine($"{to.LangName} converted = ({from.LangName}){maxValue} < x ? {maxValue} : (x > ({from.LangName}){minValue} ? ({to.LangName})x : {minValue});");
-									writer.WriteLine($"return Unsafe.As<{to.LangName}, TTo>(ref converted);");
+									writer.WriteLine($"return Unsafe.BitCast<{to.LangName}, TTo>(converted);");
 								}
 							}
 						}
@@ -184,17 +185,18 @@ internal static class NumericConversionGenerator
 							Debug.Assert(from.IsUnsignedInteger);
 							if (to.IsFloatingPoint)
 							{
-								if (to.Type == typeof(Half))
+								CSharpPrimitives.Data conversionType = CSharpPrimitives.GetDataForIntegerFloatingPointConversion(from, to);
+								if (conversionType != to)
 								{
-									writer.WriteComment("There isn't enough precision to convert from anything bigger than byte to Half, so we convert to float first.");
-									writer.WriteLine($"float x = {methodName}<float>(value);");
-									writer.WriteLine("Half converted = (Half)x;");
-									writer.WriteLine("return Unsafe.As<Half, TTo>(ref converted);");
+									writer.WriteComment($"There isn't enough precision to convert from {from.LangName} to {to.LangName}, so we convert to {conversionType.LangName} first.");
+									writer.WriteLine($"{conversionType.LangName} x = {methodName}<{conversionType.LangName}>(value);");
+									writer.WriteLine($"{to.LangName} converted = ({to.LangName})x;");
+									writer.WriteLine($"return Unsafe.BitCast<{to.LangName}, TTo>(converted);");
 								}
 								else
 								{
 									writer.WriteLine($"{to.LangName} converted = ({to.LangName})value / ({to.LangName}){from.MaxValue};");
-									writer.WriteLine($"return Unsafe.As<{to.LangName}, TTo>(ref converted);");
+									writer.WriteLine($"return Unsafe.BitCast<{to.LangName}, TTo>(converted);");
 								}
 							}
 							else
@@ -214,7 +216,7 @@ internal static class NumericConversionGenerator
 											writer.Write($"(({conversionType})value << {i * from.Size * 8}) | ");
 										}
 										writer.WriteLine("value);");
-										writer.WriteLine($"return Unsafe.As<{to.LangName}, TTo>(ref converted);");
+										writer.WriteLine($"return Unsafe.BitCast<{to.LangName}, TTo>(converted);");
 									}
 								}
 								else
@@ -225,7 +227,14 @@ internal static class NumericConversionGenerator
 										writer.WriteComment("This is a special case where we already know an optimal algorithm.");
 										writer.WriteLine("uint x = (value * 255u + 32895u) >> 16;");
 										writer.WriteLine("byte converted = unchecked((byte)x);");
-										writer.WriteLine("return Unsafe.As<byte, TTo>(ref converted);");
+										writer.WriteLine("return Unsafe.BitCast<byte, TTo>(converted);");
+									}
+									else if (from.Size < sizeof(double) && to.Size < sizeof(double))
+									{
+										writer.WriteLine($"double interpolated = (double)value / (double){from.MaxValue};");
+										writer.WriteLine($"double exact = interpolated * (double){to.MaxValue};");
+										writer.WriteLine($"{to.LangName} converted = ({to.LangName})double.Round(exact, MidpointRounding.AwayFromZero);");
+										writer.WriteLine($"return Unsafe.BitCast<{to.LangName}, TTo>(converted);");
 									}
 									else
 									{
@@ -236,7 +245,7 @@ internal static class NumericConversionGenerator
 										{
 											int offset = (from.Size / to.Size - 1) * to.Size * 8;
 											writer.WriteLine($"{to.LangName} converted = ({to.LangName})(({conversionType})value >> {offset});");
-											writer.WriteLine($"return Unsafe.As<{to.LangName}, TTo>(ref converted);");
+											writer.WriteLine($"return Unsafe.BitCast<{to.LangName}, TTo>(converted);");
 										}
 									}
 								}
@@ -267,7 +276,7 @@ internal static class NumericConversionGenerator
 				using (new CurlyBrackets(writer))
 				{
 					writer.WriteLine($"{from.LangName} value = {methodName}Safe<{from.LangName}>();");
-					writer.WriteLine($"return Unsafe.As<{from.LangName}, T>(ref value);");
+					writer.WriteLine($"return Unsafe.BitCast<{from.LangName}, T>(value);");
 				}
 			}
 			writer.WriteLine("else");

AssetRipper.TextureDecoder.ColorGenerator/Program.cs

@@ -1,6 +1,7 @@
 using AssetRipper.Text.SourceGeneration;
 using AssetRipper.TextureDecoder.SourceGeneration.Common;
 using System.CodeDom.Compiler;
+using System.Diagnostics;
 using System.Text;
 
 namespace AssetRipper.TextureDecoder.ColorGenerator;
@@ -12,38 +13,41 @@ internal static partial class Program
 	private const string FormatsNamespace = "AssetRipper.TextureDecoder.Rgb.Formats";
 	private const string FormatsFolder = "../../../../AssetRipper.TextureDecoder/Rgb/Formats/";
 
-	/// <summary>
-	/// Name, Type, Red, Blue, Green, Alpha, Fully Utilized
-	/// </summary>
-	private static readonly List<(string, Type, bool, bool, bool, bool, bool)> CustomColors = new()
+	private readonly record struct CustomColorDetails(string Name, Type Type, bool HasRed, bool HasGreen, bool HasBlue, bool HasAlpha, bool FullyUtilized)
 	{
+		public static implicit operator CustomColorDetails((string, Type, bool, bool, bool, bool, bool) details)
+		{
+			return new CustomColorDetails(details.Item1, details.Item2, details.Item3, details.Item4, details.Item5, details.Item6, details.Item7);
+		}
+	}
+
+	private static readonly CustomColorDetails[] CustomColors =
+	[
 		( "ColorARGB16", typeof(byte), true, true, true, true, false ),
-		( "ColorARGB32", typeof(byte), true, true, true, true, true ),
-		( "ColorBGRA32", typeof(byte), true, true, true, true, true ),
 		( "ColorRGB16", typeof(byte), true, true, true, false, false ),
 		( "ColorRGB9e5", typeof(double), true, true, true, false, false ),
 		( "ColorRGBA16", typeof(byte), true, true, true, true, false ),
-	};
+	];
 
-	/// <summary>
-	/// Name, Red, Blue, Green, Alpha
-	/// </summary>
-	private static readonly List<(string, bool, bool, bool, bool)> GenericColors = new()
-	{
-		( "ColorR", true, false, false, false ),
-		( "ColorRG", true, true, false, false ),
-		( "ColorRGB", true, true, true, false ),
-		( "ColorRGBA", true, true, true, true ),
-		( "ColorA", false, false, false, true ),
-	};
+	private static readonly string[] GenericColors =
+	[
+		"ColorR",
+		"ColorRG",
+		"ColorRGB",
+		"ColorRGBA",
+		"ColorA",
+		"ColorARGB",
+		"ColorBGRA",
+		"ColorBGR",
+	];
 
 	static void Main()
 	{
-		foreach (var customColor in CustomColors)
+		foreach (CustomColorDetails customColor in CustomColors)
 		{
 			WriteCustomColor(customColor);
 		}
-		foreach (var genericColor in GenericColors)
+		foreach (string genericColor in GenericColors)
 		{
 			WriteGenericColor(genericColor);
 		}
@@ -55,7 +59,7 @@ internal static partial class Program
 		Console.WriteLine("Done!");
 	}
 
-	private static void WriteCustomColor((string, Type, bool, bool, bool, bool, bool) details)
+	private static void WriteCustomColor(CustomColorDetails details)
 	{
 		(string name, Type type, bool hasRed, bool hasGreen, bool hasBlue, bool hasAlpha, bool fullyUtilized) = details;
 		Console.WriteLine(name);
@@ -63,12 +67,11 @@ internal static partial class Program
 		WriteCustomColor(writer, name, type, hasRed, hasGreen, hasBlue, hasAlpha, fullyUtilized);
 	}
 
-	private static void WriteGenericColor((string, bool, bool, bool, bool) details)
+	private static void WriteGenericColor(string name)
 	{
-		(string name, bool hasRed, bool hasGreen, bool hasBlue, bool hasAlpha) = details;
 		Console.WriteLine(name);
 		using IndentedTextWriter writer = IndentedTextWriterFactory.Create(FormatsFolder, name);
-		WriteGenericColor(writer, name, hasRed, hasGreen, hasBlue, hasAlpha);
+		WriteGenericColor(writer, name);
 	}
 
 	private static void WriteSuperGenericColor(int channelCount)
@@ -214,7 +217,7 @@ internal static partial class Program
 		}
 	}
 
-	private static void WriteGenericColor(IndentedTextWriter writer, string name, bool hasRed, bool hasGreen, bool hasBlue, bool hasAlpha)
+	private static void WriteGenericColor(IndentedTextWriter writer, string name)
 	{
 		const string typeName = "T";
 		const string minValue = "NumericConversion.GetMinimumValueSafe<T>()";
@@ -229,14 +232,39 @@ internal static partial class Program
 		writer.WriteLine($"public partial struct {name}<T> : IColor<{name}<T>, T> where T : unmanaged, INumberBase<T>, IMinMaxValue<T>");
 		using (new CurlyBrackets(writer))
 		{
-			WriteProperty(writer, hasRed, typeName, 'R', minValue);
-			writer.WriteLineNoTabs();
-			WriteProperty(writer, hasGreen, typeName, 'G', minValue);
-			writer.WriteLineNoTabs();
-			WriteProperty(writer, hasBlue, typeName, 'B', minValue);
-			writer.WriteLineNoTabs();
-			WriteProperty(writer, hasAlpha, typeName, 'A', maxValue);
-			writer.WriteLineNoTabs();
+			Debug.Assert(name.StartsWith("Color", StringComparison.Ordinal));
+			ReadOnlySpan<char> channels = name.AsSpan()[5..];
+			foreach (char channel in channels)
+			{
+				WriteProperty(writer, true, typeName, channel, minValue);
+				writer.WriteLineNoTabs();
+			}
+
+			bool hasRed = channels.Contains('R');
+			bool hasGreen = channels.Contains('G');
+			bool hasBlue = channels.Contains('B');
+			bool hasAlpha = channels.Contains('A');
+
+			if (!hasRed)
+			{
+				WriteProperty(writer, hasRed, typeName, 'R', minValue);
+				writer.WriteLineNoTabs();
+			}
+			if (!hasGreen)
+			{
+				WriteProperty(writer, hasGreen, typeName, 'G', minValue);
+				writer.WriteLineNoTabs();
+			}
+			if (!hasBlue)
+			{
+				WriteProperty(writer, hasBlue, typeName, 'B', minValue);
+				writer.WriteLineNoTabs();
+			}
+			if (!hasAlpha)
+			{
+				WriteProperty(writer, hasAlpha, typeName, 'A', maxValue);
+				writer.WriteLineNoTabs();
+			}
 
 			WriteConstructor(writer, name, hasRed, hasGreen, hasBlue, hasAlpha, typeName);
 			writer.WriteLineNoTabs();

AssetRipper.TextureDecoder.ConsoleApp/Program.cs

@@ -27,7 +27,7 @@ internal static partial class Program
 		string args6 = args.GetArgument(6);
 		byte[] data = File.ReadAllBytes(path);
 
-		DirectBitmap<ColorBGRA32, byte> bitmap = new DirectBitmap<ColorBGRA32, byte>(width, height);
+		DirectBitmap<ColorBGRA<byte>, byte> bitmap = new DirectBitmap<ColorBGRA<byte>, byte>(width, height);
 		switch (inputType)
 		{
 			case "astc":
@@ -52,43 +52,40 @@ internal static partial class Program
 				DecodeRgb(data, width, height, args5, bitmap.Bits);
 				break;
 			case "yuy2":
-				Yuy2Decoder.DecompressYUY2(data, width, height, bitmap.Bits);
+				Yuy2Decoder.DecompressYUY2<ColorBGRA<byte>, byte>(data, width, height, bitmap.Bits);
 				break;
 			default:
 				throw new NotSupportedException(inputType);
 		}
 
-		string dirPath = Path.GetDirectoryName(path) ?? Environment.CurrentDirectory;
-		string name = Path.GetFileName(path);
-		
 		switch (outputType)
 		{
 			case "bgra":
-				WriteAllBytes(Path.Combine(dirPath, name + ".bgra"), bitmap.Bits);
+				File.WriteAllBytes(path + ".bgra", bitmap.Bits);
 				break;
 			case "bmp":
 				bitmap.FlipY();
-				bitmap.SaveAsBmp(Path.Combine(dirPath, name + ".bmp"));
+				bitmap.SaveAsBmp(path + ".bmp");
 				break;
 			case "exr":
 				bitmap.FlipY();
-				bitmap.SaveAsExr(Path.Combine(dirPath, name + ".exr"));
+				bitmap.SaveAsExr(path + ".exr");
 				break;
 			case "hdr":
 				bitmap.FlipY();
-				bitmap.SaveAsHdr(Path.Combine(dirPath, name + ".hdr"));
+				bitmap.SaveAsHdr(path + ".hdr");
 				break;
 			case "jpg":
 				bitmap.FlipY();
-				bitmap.SaveAsJpg(Path.Combine(dirPath, name + ".jpg"));
+				bitmap.SaveAsJpg(path + ".jpg");
 				break;
 			case "png":
 				bitmap.FlipY();
-				bitmap.SaveAsPng(Path.Combine(dirPath, name + ".png"));
+				bitmap.SaveAsPng(path + ".png");
 				break;
 			case "tga":
 				bitmap.FlipY();
-				bitmap.SaveAsTga(Path.Combine(dirPath, name + ".tga"));
+				bitmap.SaveAsTga(path + ".tga");
 				break;
 			default:
 				throw new NotSupportedException(outputType);
@@ -108,7 +105,7 @@ internal static partial class Program
 		Console.WriteLine("Arg at index 6 : blockYSize");
 		int blockXSize = int.Parse(blockXSizeString);
 		int blockYSize = int.Parse(blockYSizeString);
-		AstcDecoder.DecodeASTC(input, width, height, blockXSize, blockYSize, output);
+		AstcDecoder.DecodeASTC<ColorBGRA<byte>, byte>(input, width, height, blockXSize, blockYSize, output);
 	}
 
 	private static void DecodeAtc(ReadOnlySpan<byte> input, int width, int height, string modeString, Span<byte> output)
@@ -120,10 +117,10 @@ internal static partial class Program
 		switch (mode)
 		{
 			case 0:
-				AtcDecoder.DecompressAtcRgb4(input, width, height, output);
+				AtcDecoder.DecompressAtcRgb4<ColorBGRA<byte>, byte>(input, width, height, output);
 				break;
 			case 1:
-				AtcDecoder.DecompressAtcRgba8(input, width, height, output);
+				AtcDecoder.DecompressAtcRgba8<ColorBGRA<byte>, byte>(input, width, height, output);
 				break;
 
 			default:
@@ -146,25 +143,25 @@ internal static partial class Program
 		switch (mode)
 		{
 			case 1:
-				Bc1.Decompress(input, width, height, output);
+				Bc1.Decompress<ColorBGRA<byte>, byte>(input, width, height, output);
 				break;
 			case 2:
-				Bc2.Decompress(input, width, height, output);
+				Bc2.Decompress<ColorBGRA<byte>, byte>(input, width, height, output);
 				break;
 			case 3:
-				Bc3.Decompress(input, width, height, output);
+				Bc3.Decompress<ColorBGRA<byte>, byte>(input, width, height, output);
 				break;
 			case 4:
-				Bc4.Decompress(input, width, height, output);
+				Bc4.Decompress<ColorBGRA<byte>, byte>(input, width, height, output);
 				break;
 			case 5:
-				Bc5.Decompress(input, width, height, output);
+				Bc5.Decompress<ColorBGRA<byte>, byte>(input, width, height, output);
 				break;
 			case 6:
-				Bc6h.Decompress(input, width, height, bool.Parse(isSignedString), output);
+				Bc6h.Decompress<ColorBGRA<byte>, byte>(input, width, height, bool.Parse(isSignedString), output);
 				break;
 			case 7:
-				Bc7.Decompress(input, width, height, output);
+				Bc7.Decompress<ColorBGRA<byte>, byte>(input, width, height, output);
 				break;
 
 			default:
@@ -182,13 +179,13 @@ internal static partial class Program
 		switch (mode)
 		{
 			case 0:
-				DxtDecoder.DecompressDXT1(input, width, height, output);
+				DxtDecoder.DecompressDXT1<ColorBGRA<byte>, byte>(input, width, height, output);
 				break;
 			case 1:
-				DxtDecoder.DecompressDXT3(input, width, height, output);
+				DxtDecoder.DecompressDXT3<ColorBGRA<byte>, byte>(input, width, height, output);
 				break;
 			case 2:
-				DxtDecoder.DecompressDXT5(input, width, height, output);
+				DxtDecoder.DecompressDXT5<ColorBGRA<byte>, byte>(input, width, height, output);
 				break;
 
 			default:
@@ -211,28 +208,28 @@ internal static partial class Program
 		switch (mode)
 		{
 			case 0:
-				EtcDecoder.DecompressETC(input, width, height, output);
+				EtcDecoder.DecompressETC<ColorBGRA<byte>, byte>(input, width, height, output);
 				break;
 			case 1:
-				EtcDecoder.DecompressETC2(input, width, height, output);
+				EtcDecoder.DecompressETC2<ColorBGRA<byte>, byte>(input, width, height, output);
 				break;
 			case 2:
-				EtcDecoder.DecompressETC2A1(input, width, height, output);
+				EtcDecoder.DecompressETC2A1<ColorBGRA<byte>, byte>(input, width, height, output);
 				break;
 			case 3:
-				EtcDecoder.DecompressETC2A8(input, width, height, output);
+				EtcDecoder.DecompressETC2A8<ColorBGRA<byte>, byte>(input, width, height, output);
 				break;
 			case 4:
-				EtcDecoder.DecompressEACRUnsigned(input, width, height, output);
+				EtcDecoder.DecompressEACRUnsigned<ColorBGRA<byte>, byte>(input, width, height, output);
 				break;
 			case 5:
-				EtcDecoder.DecompressEACRSigned(input, width, height, output);
+				EtcDecoder.DecompressEACRSigned<ColorBGRA<byte>, byte>(input, width, height, output);
 				break;
 			case 6:
-				EtcDecoder.DecompressEACRGUnsigned(input, width, height, output);
+				EtcDecoder.DecompressEACRGUnsigned<ColorBGRA<byte>, byte>(input, width, height, output);
 				break;
 			case 7:
-				EtcDecoder.DecompressEACRGSigned(input, width, height, output);
+				EtcDecoder.DecompressEACRGSigned<ColorBGRA<byte>, byte>(input, width, height, output);
 				break;
 
 			default:
@@ -244,13 +241,6 @@ internal static partial class Program
 	{
 		Console.WriteLine("Arg at index 5 : 2bitMode");
 		bool do2bit = bool.Parse(do2bitModeString);
-		PvrtcDecoder.DecompressPVRTC(input, width, height, do2bit, output);
-	}
-
-	public static void WriteAllBytes(string path, ReadOnlySpan<byte> bytes)
-	{
-		ArgumentException.ThrowIfNullOrEmpty(path, nameof(path));
-		using Microsoft.Win32.SafeHandles.SafeFileHandle sfh = File.OpenHandle(path, FileMode.Create, FileAccess.Write, FileShare.Read);
-		RandomAccess.Write(sfh, bytes, 0);
+		PvrtcDecoder.DecompressPVRTC<ColorBGRA<byte>, byte>(input, width, height, do2bit, output);
 	}
 }

AssetRipper.TextureDecoder.ConsoleApp/Program.g.cs

@@ -1,6 +1,7 @@
 // Auto-generated code. Do not modify manually.
 
 using AssetRipper.TextureDecoder.Rgb;
+using AssetRipper.TextureDecoder.Rgb.Channels;
 using AssetRipper.TextureDecoder.Rgb.Formats;
 using System.Runtime.InteropServices;
 
@@ -15,367 +16,495 @@ static partial class Program
 		Console.WriteLine("  2 - RGB_SByte");
 		Console.WriteLine("  3 - RGBA_SByte");
 		Console.WriteLine("  4 - A_SByte");
-		Console.WriteLine("  5 - R_Byte");
-		Console.WriteLine("  6 - RG_Byte");
-		Console.WriteLine("  7 - RGB_Byte");
-		Console.WriteLine("  8 - RGBA_Byte");
-		Console.WriteLine("  9 - A_Byte");
-		Console.WriteLine("  10 - R_Int16");
-		Console.WriteLine("  11 - RG_Int16");
-		Console.WriteLine("  12 - RGB_Int16");
-		Console.WriteLine("  13 - RGBA_Int16");
-		Console.WriteLine("  14 - A_Int16");
-		Console.WriteLine("  15 - R_UInt16");
-		Console.WriteLine("  16 - RG_UInt16");
-		Console.WriteLine("  17 - RGB_UInt16");
-		Console.WriteLine("  18 - RGBA_UInt16");
-		Console.WriteLine("  19 - A_UInt16");
-		Console.WriteLine("  20 - R_Int32");
-		Console.WriteLine("  21 - RG_Int32");
-		Console.WriteLine("  22 - RGB_Int32");
-		Console.WriteLine("  23 - RGBA_Int32");
-		Console.WriteLine("  24 - A_Int32");
-		Console.WriteLine("  25 - R_UInt32");
-		Console.WriteLine("  26 - RG_UInt32");
-		Console.WriteLine("  27 - RGB_UInt32");
-		Console.WriteLine("  28 - RGBA_UInt32");
-		Console.WriteLine("  29 - A_UInt32");
-		Console.WriteLine("  30 - R_IntPtr");
-		Console.WriteLine("  31 - RG_IntPtr");
-		Console.WriteLine("  32 - RGB_IntPtr");
-		Console.WriteLine("  33 - RGBA_IntPtr");
-		Console.WriteLine("  34 - A_IntPtr");
-		Console.WriteLine("  35 - R_UIntPtr");
-		Console.WriteLine("  36 - RG_UIntPtr");
-		Console.WriteLine("  37 - RGB_UIntPtr");
-		Console.WriteLine("  38 - RGBA_UIntPtr");
-		Console.WriteLine("  39 - A_UIntPtr");
-		Console.WriteLine("  40 - R_Int64");
-		Console.WriteLine("  41 - RG_Int64");
-		Console.WriteLine("  42 - RGB_Int64");
-		Console.WriteLine("  43 - RGBA_Int64");
-		Console.WriteLine("  44 - A_Int64");
-		Console.WriteLine("  45 - R_UInt64");
-		Console.WriteLine("  46 - RG_UInt64");
-		Console.WriteLine("  47 - RGB_UInt64");
-		Console.WriteLine("  48 - RGBA_UInt64");
-		Console.WriteLine("  49 - A_UInt64");
-		Console.WriteLine("  50 - R_Int128");
-		Console.WriteLine("  51 - RG_Int128");
-		Console.WriteLine("  52 - RGB_Int128");
-		Console.WriteLine("  53 - RGBA_Int128");
-		Console.WriteLine("  54 - A_Int128");
-		Console.WriteLine("  55 - R_UInt128");
-		Console.WriteLine("  56 - RG_UInt128");
-		Console.WriteLine("  57 - RGB_UInt128");
-		Console.WriteLine("  58 - RGBA_UInt128");
-		Console.WriteLine("  59 - A_UInt128");
-		Console.WriteLine("  60 - R_Half");
-		Console.WriteLine("  61 - RG_Half");
-		Console.WriteLine("  62 - RGB_Half");
-		Console.WriteLine("  63 - RGBA_Half");
-		Console.WriteLine("  64 - A_Half");
-		Console.WriteLine("  65 - R_Single");
-		Console.WriteLine("  66 - RG_Single");
-		Console.WriteLine("  67 - RGB_Single");
-		Console.WriteLine("  68 - RGBA_Single");
-		Console.WriteLine("  69 - A_Single");
-		Console.WriteLine("  70 - R_NFloat");
-		Console.WriteLine("  71 - RG_NFloat");
-		Console.WriteLine("  72 - RGB_NFloat");
-		Console.WriteLine("  73 - RGBA_NFloat");
-		Console.WriteLine("  74 - A_NFloat");
-		Console.WriteLine("  75 - R_Double");
-		Console.WriteLine("  76 - RG_Double");
-		Console.WriteLine("  77 - RGB_Double");
-		Console.WriteLine("  78 - RGBA_Double");
-		Console.WriteLine("  79 - A_Double");
-		Console.WriteLine("  80 - R_Decimal");
-		Console.WriteLine("  81 - RG_Decimal");
-		Console.WriteLine("  82 - RGB_Decimal");
-		Console.WriteLine("  83 - RGBA_Decimal");
-		Console.WriteLine("  84 - A_Decimal");
-		Console.WriteLine("  85 - ARGB16");
-		Console.WriteLine("  86 - ARGB32");
-		Console.WriteLine("  87 - BGRA32");
-		Console.WriteLine("  88 - RGB16");
-		Console.WriteLine("  89 - RGB9e5");
-		Console.WriteLine("  90 - RGBA16");
+		Console.WriteLine("  5 - ARGB_SByte");
+		Console.WriteLine("  6 - BGRA_SByte");
+		Console.WriteLine("  7 - R_Byte");
+		Console.WriteLine("  8 - RG_Byte");
+		Console.WriteLine("  9 - RGB_Byte");
+		Console.WriteLine("  10 - RGBA_Byte");
+		Console.WriteLine("  11 - A_Byte");
+		Console.WriteLine("  12 - ARGB_Byte");
+		Console.WriteLine("  13 - BGRA_Byte");
+		Console.WriteLine("  14 - R_Int16");
+		Console.WriteLine("  15 - RG_Int16");
+		Console.WriteLine("  16 - RGB_Int16");
+		Console.WriteLine("  17 - RGBA_Int16");
+		Console.WriteLine("  18 - A_Int16");
+		Console.WriteLine("  19 - ARGB_Int16");
+		Console.WriteLine("  20 - BGRA_Int16");
+		Console.WriteLine("  21 - R_UInt16");
+		Console.WriteLine("  22 - RG_UInt16");
+		Console.WriteLine("  23 - RGB_UInt16");
+		Console.WriteLine("  24 - RGBA_UInt16");
+		Console.WriteLine("  25 - A_UInt16");
+		Console.WriteLine("  26 - ARGB_UInt16");
+		Console.WriteLine("  27 - BGRA_UInt16");
+		Console.WriteLine("  28 - R_Int32");
+		Console.WriteLine("  29 - RG_Int32");
+		Console.WriteLine("  30 - RGB_Int32");
+		Console.WriteLine("  31 - RGBA_Int32");
+		Console.WriteLine("  32 - A_Int32");
+		Console.WriteLine("  33 - ARGB_Int32");
+		Console.WriteLine("  34 - BGRA_Int32");
+		Console.WriteLine("  35 - R_UInt32");
+		Console.WriteLine("  36 - RG_UInt32");
+		Console.WriteLine("  37 - RGB_UInt32");
+		Console.WriteLine("  38 - RGBA_UInt32");
+		Console.WriteLine("  39 - A_UInt32");
+		Console.WriteLine("  40 - ARGB_UInt32");
+		Console.WriteLine("  41 - BGRA_UInt32");
+		Console.WriteLine("  42 - R_IntPtr");
+		Console.WriteLine("  43 - RG_IntPtr");
+		Console.WriteLine("  44 - RGB_IntPtr");
+		Console.WriteLine("  45 - RGBA_IntPtr");
+		Console.WriteLine("  46 - A_IntPtr");
+		Console.WriteLine("  47 - ARGB_IntPtr");
+		Console.WriteLine("  48 - BGRA_IntPtr");
+		Console.WriteLine("  49 - R_UIntPtr");
+		Console.WriteLine("  50 - RG_UIntPtr");
+		Console.WriteLine("  51 - RGB_UIntPtr");
+		Console.WriteLine("  52 - RGBA_UIntPtr");
+		Console.WriteLine("  53 - A_UIntPtr");
+		Console.WriteLine("  54 - ARGB_UIntPtr");
+		Console.WriteLine("  55 - BGRA_UIntPtr");
+		Console.WriteLine("  56 - R_Int64");
+		Console.WriteLine("  57 - RG_Int64");
+		Console.WriteLine("  58 - RGB_Int64");
+		Console.WriteLine("  59 - RGBA_Int64");
+		Console.WriteLine("  60 - A_Int64");
+		Console.WriteLine("  61 - ARGB_Int64");
+		Console.WriteLine("  62 - BGRA_Int64");
+		Console.WriteLine("  63 - R_UInt64");
+		Console.WriteLine("  64 - RG_UInt64");
+		Console.WriteLine("  65 - RGB_UInt64");
+		Console.WriteLine("  66 - RGBA_UInt64");
+		Console.WriteLine("  67 - A_UInt64");
+		Console.WriteLine("  68 - ARGB_UInt64");
+		Console.WriteLine("  69 - BGRA_UInt64");
+		Console.WriteLine("  70 - R_Int128");
+		Console.WriteLine("  71 - RG_Int128");
+		Console.WriteLine("  72 - RGB_Int128");
+		Console.WriteLine("  73 - RGBA_Int128");
+		Console.WriteLine("  74 - A_Int128");
+		Console.WriteLine("  75 - ARGB_Int128");
+		Console.WriteLine("  76 - BGRA_Int128");
+		Console.WriteLine("  77 - R_UInt128");
+		Console.WriteLine("  78 - RG_UInt128");
+		Console.WriteLine("  79 - RGB_UInt128");
+		Console.WriteLine("  80 - RGBA_UInt128");
+		Console.WriteLine("  81 - A_UInt128");
+		Console.WriteLine("  82 - ARGB_UInt128");
+		Console.WriteLine("  83 - BGRA_UInt128");
+		Console.WriteLine("  84 - R_Half");
+		Console.WriteLine("  85 - RG_Half");
+		Console.WriteLine("  86 - RGB_Half");
+		Console.WriteLine("  87 - RGBA_Half");
+		Console.WriteLine("  88 - A_Half");
+		Console.WriteLine("  89 - ARGB_Half");
+		Console.WriteLine("  90 - BGRA_Half");
+		Console.WriteLine("  91 - R_Single");
+		Console.WriteLine("  92 - RG_Single");
+		Console.WriteLine("  93 - RGB_Single");
+		Console.WriteLine("  94 - RGBA_Single");
+		Console.WriteLine("  95 - A_Single");
+		Console.WriteLine("  96 - ARGB_Single");
+		Console.WriteLine("  97 - BGRA_Single");
+		Console.WriteLine("  98 - R_NFloat");
+		Console.WriteLine("  99 - RG_NFloat");
+		Console.WriteLine("  100 - RGB_NFloat");
+		Console.WriteLine("  101 - RGBA_NFloat");
+		Console.WriteLine("  102 - A_NFloat");
+		Console.WriteLine("  103 - ARGB_NFloat");
+		Console.WriteLine("  104 - BGRA_NFloat");
+		Console.WriteLine("  105 - R_Double");
+		Console.WriteLine("  106 - RG_Double");
+		Console.WriteLine("  107 - RGB_Double");
+		Console.WriteLine("  108 - RGBA_Double");
+		Console.WriteLine("  109 - A_Double");
+		Console.WriteLine("  110 - ARGB_Double");
+		Console.WriteLine("  111 - BGRA_Double");
+		Console.WriteLine("  112 - R_Decimal");
+		Console.WriteLine("  113 - RG_Decimal");
+		Console.WriteLine("  114 - RGB_Decimal");
+		Console.WriteLine("  115 - RGBA_Decimal");
+		Console.WriteLine("  116 - A_Decimal");
+		Console.WriteLine("  117 - ARGB_Decimal");
+		Console.WriteLine("  118 - BGRA_Decimal");
+		Console.WriteLine("  119 - ARGB16");
+		Console.WriteLine("  120 - RGB16");
+		Console.WriteLine("  121 - RGB9e5");
+		Console.WriteLine("  122 - RGBA16");
 		int mode = int.Parse(modeString);
 		switch(mode)
 		{
 			case 0:
-				RgbConverter.Convert<ColorR<sbyte>, sbyte, ColorBGRA32, byte>(input, width, height, output);
+				RgbConverter.Convert<ColorR<sbyte>, sbyte, Color<byte, B, G, R, A>, byte>(input, width, height, output);
 				break;
 			case 1:
-				RgbConverter.Convert<ColorRG<sbyte>, sbyte, ColorBGRA32, byte>(input, width, height, output);
+				RgbConverter.Convert<ColorRG<sbyte>, sbyte, Color<byte, B, G, R, A>, byte>(input, width, height, output);
 				break;
 			case 2:
-				RgbConverter.Convert<ColorRGB<sbyte>, sbyte, ColorBGRA32, byte>(input, width, height, output);
+				RgbConverter.Convert<ColorRGB<sbyte>, sbyte, Color<byte, B, G, R, A>, byte>(input, width, height, output);
 				break;
 			case 3:
-				RgbConverter.Convert<ColorRGBA<sbyte>, sbyte, ColorBGRA32, byte>(input, width, height, output);
+				RgbConverter.Convert<ColorRGBA<sbyte>, sbyte, Color<byte, B, G, R, A>, byte>(input, width, height, output);
 				break;
 			case 4:
-				RgbConverter.Convert<ColorA<sbyte>, sbyte, ColorBGRA32, byte>(input, width, height, output);
+				RgbConverter.Convert<ColorA<sbyte>, sbyte, Color<byte, B, G, R, A>, byte>(input, width, height, output);
 				break;
 			case 5:
-				RgbConverter.Convert<ColorR<byte>, byte, ColorBGRA32, byte>(input, width, height, output);
+				RgbConverter.Convert<ColorARGB<sbyte>, sbyte, Color<byte, B, G, R, A>, byte>(input, width, height, output);
 				break;
 			case 6:
-				RgbConverter.Convert<ColorRG<byte>, byte, ColorBGRA32, byte>(input, width, height, output);
+				RgbConverter.Convert<ColorBGRA<sbyte>, sbyte, Color<byte, B, G, R, A>, byte>(input, width, height, output);
 				break;
 			case 7:
-				RgbConverter.Convert<ColorRGB<byte>, byte, ColorBGRA32, byte>(input, width, height, output);
+				RgbConverter.Convert<ColorR<byte>, byte, Color<byte, B, G, R, A>, byte>(input, width, height, output);
 				break;
 			case 8:
-				RgbConverter.Convert<ColorRGBA<byte>, byte, ColorBGRA32, byte>(input, width, height, output);
+				RgbConverter.Convert<ColorRG<byte>, byte, Color<byte, B, G, R, A>, byte>(input, width, height, output);
 				break;
 			case 9:
-				RgbConverter.Convert<ColorA<byte>, byte, ColorBGRA32, byte>(input, width, height, output);
+				RgbConverter.Convert<ColorRGB<byte>, byte, Color<byte, B, G, R, A>, byte>(input, width, height, output);
 				break;
 			case 10:
-				RgbConverter.Convert<ColorR<short>, short, ColorBGRA32, byte>(input, width, height, output);
+				RgbConverter.Convert<ColorRGBA<byte>, byte, Color<byte, B, G, R, A>, byte>(input, width, height, output);
 				break;
 			case 11:
-				RgbConverter.Convert<ColorRG<short>, short, ColorBGRA32, byte>(input, width, height, output);
+				RgbConverter.Convert<ColorA<byte>, byte, Color<byte, B, G, R, A>, byte>(input, width, height, output);
 				break;
 			case 12:
-				RgbConverter.Convert<ColorRGB<short>, short, ColorBGRA32, byte>(input, width, height, output);
+				RgbConverter.Convert<ColorARGB<byte>, byte, Color<byte, B, G, R, A>, byte>(input, width, height, output);
 				break;
 			case 13:
-				RgbConverter.Convert<ColorRGBA<short>, short, ColorBGRA32, byte>(input, width, height, output);
+				RgbConverter.Convert<ColorBGRA<byte>, byte, Color<byte, B, G, R, A>, byte>(input, width, height, output);
 				break;
 			case 14:
-				RgbConverter.Convert<ColorA<short>, short, ColorBGRA32, byte>(input, width, height, output);
+				RgbConverter.Convert<ColorR<short>, short, Color<byte, B, G, R, A>, byte>(input, width, height, output);
 				break;
 			case 15:
-				RgbConverter.Convert<ColorR<ushort>, ushort, ColorBGRA32, byte>(input, width, height, output);
+				RgbConverter.Convert<ColorRG<short>, short, Color<byte, B, G, R, A>, byte>(input, width, height, output);
 				break;
 			case 16:
-				RgbConverter.Convert<ColorRG<ushort>, ushort, ColorBGRA32, byte>(input, width, height, output);
+				RgbConverter.Convert<ColorRGB<short>, short, Color<byte, B, G, R, A>, byte>(input, width, height, output);
 				break;
 			case 17:
-				RgbConverter.Convert<ColorRGB<ushort>, ushort, ColorBGRA32, byte>(input, width, height, output);
+				RgbConverter.Convert<ColorRGBA<short>, short, Color<byte, B, G, R, A>, byte>(input, width, height, output);
 				break;
 			case 18:
-				RgbConverter.Convert<ColorRGBA<ushort>, ushort, ColorBGRA32, byte>(input, width, height, output);
+				RgbConverter.Convert<ColorA<short>, short, Color<byte, B, G, R, A>, byte>(input, width, height, output);
 				break;
 			case 19:
-				RgbConverter.Convert<ColorA<ushort>, ushort, ColorBGRA32, byte>(input, width, height, output);
+				RgbConverter.Convert<ColorARGB<short>, short, Color<byte, B, G, R, A>, byte>(input, width, height, output);
 				break;
 			case 20:
-				RgbConverter.Convert<ColorR<int>, int, ColorBGRA32, byte>(input, width, height, output);
+				RgbConverter.Convert<ColorBGRA<short>, short, Color<byte, B, G, R, A>, byte>(input, width, height, output);
 				break;
 			case 21:
-				RgbConverter.Convert<ColorRG<int>, int, ColorBGRA32, byte>(input, width, height, output);
+				RgbConverter.Convert<ColorR<ushort>, ushort, Color<byte, B, G, R, A>, byte>(input, width, height, output);
 				break;
 			case 22:
-				RgbConverter.Convert<ColorRGB<int>, int, ColorBGRA32, byte>(input, width, height, output);
+				RgbConverter.Convert<ColorRG<ushort>, ushort, Color<byte, B, G, R, A>, byte>(input, width, height, output);
 				break;
 			case 23:
-				RgbConverter.Convert<ColorRGBA<int>, int, ColorBGRA32, byte>(input, width, height, output);
+				RgbConverter.Convert<ColorRGB<ushort>, ushort, Color<byte, B, G, R, A>, byte>(input, width, height, output);
 				break;
 			case 24:
-				RgbConverter.Convert<ColorA<int>, int, ColorBGRA32, byte>(input, width, height, output);
+				RgbConverter.Convert<ColorRGBA<ushort>, ushort, Color<byte, B, G, R, A>, byte>(input, width, height, output);
 				break;
 			case 25:
-				RgbConverter.Convert<ColorR<uint>, uint, ColorBGRA32, byte>(input, width, height, output);
+				RgbConverter.Convert<ColorA<ushort>, ushort, Color<byte, B, G, R, A>, byte>(input, width, height, output);
 				break;
 			case 26:
-				RgbConverter.Convert<ColorRG<uint>, uint, ColorBGRA32, byte>(input, width, height, output);
+				RgbConverter.Convert<ColorARGB<ushort>, ushort, Color<byte, B, G, R, A>, byte>(input, width, height, output);
 				break;
 			case 27:
-				RgbConverter.Convert<ColorRGB<uint>, uint, ColorBGRA32, byte>(input, width, height, output);
+				RgbConverter.Convert<ColorBGRA<ushort>, ushort, Color<byte, B, G, R, A>, byte>(input, width, height, output);
 				break;
 			case 28:
-				RgbConverter.Convert<ColorRGBA<uint>, uint, ColorBGRA32, byte>(input, width, height, output);
+				RgbConverter.Convert<ColorR<int>, int, Color<byte, B, G, R, A>, byte>(input, width, height, output);
 				break;
 			case 29:
-				RgbConverter.Convert<ColorA<uint>, uint, ColorBGRA32, byte>(input, width, height, output);
+				RgbConverter.Convert<ColorRG<int>, int, Color<byte, B, G, R, A>, byte>(input, width, height, output);
 				break;
 			case 30:
-				RgbConverter.Convert<ColorR<nint>, nint, ColorBGRA32, byte>(input, width, height, output);
+				RgbConverter.Convert<ColorRGB<int>, int, Color<byte, B, G, R, A>, byte>(input, width, height, output);
 				break;
 			case 31:
-				RgbConverter.Convert<ColorRG<nint>, nint, ColorBGRA32, byte>(input, width, height, output);
+				RgbConverter.Convert<ColorRGBA<int>, int, Color<byte, B, G, R, A>, byte>(input, width, height, output);
 				break;
 			case 32:
-				RgbConverter.Convert<ColorRGB<nint>, nint, ColorBGRA32, byte>(input, width, height, output);
+				RgbConverter.Convert<ColorA<int>, int, Color<byte, B, G, R, A>, byte>(input, width, height, output);
 				break;
 			case 33:
-				RgbConverter.Convert<ColorRGBA<nint>, nint, ColorBGRA32, byte>(input, width, height, output);
+				RgbConverter.Convert<ColorARGB<int>, int, Color<byte, B, G, R, A>, byte>(input, width, height, output);
 				break;
 			case 34:
-				RgbConverter.Convert<ColorA<nint>, nint, ColorBGRA32, byte>(input, width, height, output);
+				RgbConverter.Convert<ColorBGRA<int>, int, Color<byte, B, G, R, A>, byte>(input, width, height, output);
 				break;
 			case 35:
-				RgbConverter.Convert<ColorR<nuint>, nuint, ColorBGRA32, byte>(input, width, height, output);
+				RgbConverter.Convert<ColorR<uint>, uint, Color<byte, B, G, R, A>, byte>(input, width, height, output);
 				break;
 			case 36:
-				RgbConverter.Convert<ColorRG<nuint>, nuint, ColorBGRA32, byte>(input, width, height, output);
+				RgbConverter.Convert<ColorRG<uint>, uint, Color<byte, B, G, R, A>, byte>(input, width, height, output);
 				break;
 			case 37:
-				RgbConverter.Convert<ColorRGB<nuint>, nuint, ColorBGRA32, byte>(input, width, height, output);
+				RgbConverter.Convert<ColorRGB<uint>, uint, Color<byte, B, G, R, A>, byte>(input, width, height, output);
 				break;
 			case 38:
-				RgbConverter.Convert<ColorRGBA<nuint>, nuint, ColorBGRA32, byte>(input, width, height, output);
+				RgbConverter.Convert<ColorRGBA<uint>, uint, Color<byte, B, G, R, A>, byte>(input, width, height, output);
 				break;
 			case 39:
-				RgbConverter.Convert<ColorA<nuint>, nuint, ColorBGRA32, byte>(input, width, height, output);
+				RgbConverter.Convert<ColorA<uint>, uint, Color<byte, B, G, R, A>, byte>(input, width, height, output);
 				break;
 			case 40:
-				RgbConverter.Convert<ColorR<long>, long, ColorBGRA32, byte>(input, width, height, output);
+				RgbConverter.Convert<ColorARGB<uint>, uint, Color<byte, B, G, R, A>, byte>(input, width, height, output);
 				break;
 			case 41:
-				RgbConverter.Convert<ColorRG<long>, long, ColorBGRA32, byte>(input, width, height, output);
+				RgbConverter.Convert<ColorBGRA<uint>, uint, Color<byte, B, G, R, A>, byte>(input, width, height, output);
 				break;
 			case 42:
-				RgbConverter.Convert<ColorRGB<long>, long, ColorBGRA32, byte>(input, width, height, output);
+				RgbConverter.Convert<ColorR<nint>, nint, Color<byte, B, G, R, A>, byte>(input, width, height, output);
 				break;
 			case 43:
-				RgbConverter.Convert<ColorRGBA<long>, long, ColorBGRA32, byte>(input, width, height, output);
+				RgbConverter.Convert<ColorRG<nint>, nint, Color<byte, B, G, R, A>, byte>(input, width, height, output);
 				break;
 			case 44:
-				RgbConverter.Convert<ColorA<long>, long, ColorBGRA32, byte>(input, width, height, output);
+				RgbConverter.Convert<ColorRGB<nint>, nint, Color<byte, B, G, R, A>, byte>(input, width, height, output);
 				break;
 			case 45:
-				RgbConverter.Convert<ColorR<ulong>, ulong, ColorBGRA32, byte>(input, width, height, output);
+				RgbConverter.Convert<ColorRGBA<nint>, nint, Color<byte, B, G, R, A>, byte>(input, width, height, output);
 				break;
 			case 46:
-				RgbConverter.Convert<ColorRG<ulong>, ulong, ColorBGRA32, byte>(input, width, height, output);
+				RgbConverter.Convert<ColorA<nint>, nint, Color<byte, B, G, R, A>, byte>(input, width, height, output);
 				break;
 			case 47:
-				RgbConverter.Convert<ColorRGB<ulong>, ulong, ColorBGRA32, byte>(input, width, height, output);
+				RgbConverter.Convert<ColorARGB<nint>, nint, Color<byte, B, G, R, A>, byte>(input, width, height, output);
 				break;
 			case 48:
-				RgbConverter.Convert<ColorRGBA<ulong>, ulong, ColorBGRA32, byte>(input, width, height, output);
+				RgbConverter.Convert<ColorBGRA<nint>, nint, Color<byte, B, G, R, A>, byte>(input, width, height, output);
 				break;
 			case 49:
-				RgbConverter.Convert<ColorA<ulong>, ulong, ColorBGRA32, byte>(input, width, height, output);
+				RgbConverter.Convert<ColorR<nuint>, nuint, Color<byte, B, G, R, A>, byte>(input, width, height, output);
 				break;
 			case 50:
-				RgbConverter.Convert<ColorR<Int128>, Int128, ColorBGRA32, byte>(input, width, height, output);
+				RgbConverter.Convert<ColorRG<nuint>, nuint, Color<byte, B, G, R, A>, byte>(input, width, height, output);
 				break;
 			case 51:
-				RgbConverter.Convert<ColorRG<Int128>, Int128, ColorBGRA32, byte>(input, width, height, output);
+				RgbConverter.Convert<ColorRGB<nuint>, nuint, Color<byte, B, G, R, A>, byte>(input, width, height, output);
 				break;
 			case 52:
-				RgbConverter.Convert<ColorRGB<Int128>, Int128, ColorBGRA32, byte>(input, width, height, output);
+				RgbConverter.Convert<ColorRGBA<nuint>, nuint, Color<byte, B, G, R, A>, byte>(input, width, height, output);
 				break;
 			case 53:
-				RgbConverter.Convert<ColorRGBA<Int128>, Int128, ColorBGRA32, byte>(input, width, height, output);
+				RgbConverter.Convert<ColorA<nuint>, nuint, Color<byte, B, G, R, A>, byte>(input, width, height, output);
 				break;
 			case 54:
-				RgbConverter.Convert<ColorA<Int128>, Int128, ColorBGRA32, byte>(input, width, height, output);
+				RgbConverter.Convert<ColorARGB<nuint>, nuint, Color<byte, B, G, R, A>, byte>(input, width, height, output);
 				break;
 			case 55:
-				RgbConverter.Convert<ColorR<UInt128>, UInt128, ColorBGRA32, byte>(input, width, height, output);
+				RgbConverter.Convert<ColorBGRA<nuint>, nuint, Color<byte, B, G, R, A>, byte>(input, width, height, output);
 				break;
 			case 56:
-				RgbConverter.Convert<ColorRG<UInt128>, UInt128, ColorBGRA32, byte>(input, width, height, output);
+				RgbConverter.Convert<ColorR<long>, long, Color<byte, B, G, R, A>, byte>(input, width, height, output);
 				break;
 			case 57:
-				RgbConverter.Convert<ColorRGB<UInt128>, UInt128, ColorBGRA32, byte>(input, width, height, output);
+				RgbConverter.Convert<ColorRG<long>, long, Color<byte, B, G, R, A>, byte>(input, width, height, output);
 				break;
 			case 58:
-				RgbConverter.Convert<ColorRGBA<UInt128>, UInt128, ColorBGRA32, byte>(input, width, height, output);
+				RgbConverter.Convert<ColorRGB<long>, long, Color<byte, B, G, R, A>, byte>(input, width, height, output);
 				break;
 			case 59:
-				RgbConverter.Convert<ColorA<UInt128>, UInt128, ColorBGRA32, byte>(input, width, height, output);
+				RgbConverter.Convert<ColorRGBA<long>, long, Color<byte, B, G, R, A>, byte>(input, width, height, output);
 				break;
 			case 60:
-				RgbConverter.Convert<ColorR<Half>, Half, ColorBGRA32, byte>(input, width, height, output);
+				RgbConverter.Convert<ColorA<long>, long, Color<byte, B, G, R, A>, byte>(input, width, height, output);
 				break;
 			case 61:
-				RgbConverter.Convert<ColorRG<Half>, Half, ColorBGRA32, byte>(input, width, height, output);
+				RgbConverter.Convert<ColorARGB<long>, long, Color<byte, B, G, R, A>, byte>(input, width, height, output);
 				break;
 			case 62:
-				RgbConverter.Convert<ColorRGB<Half>, Half, ColorBGRA32, byte>(input, width, height, output);
+				RgbConverter.Convert<ColorBGRA<long>, long, Color<byte, B, G, R, A>, byte>(input, width, height, output);
 				break;
 			case 63:
-				RgbConverter.Convert<ColorRGBA<Half>, Half, ColorBGRA32, byte>(input, width, height, output);
+				RgbConverter.Convert<ColorR<ulong>, ulong, Color<byte, B, G, R, A>, byte>(input, width, height, output);
 				break;
 			case 64:
-				RgbConverter.Convert<ColorA<Half>, Half, ColorBGRA32, byte>(input, width, height, output);
+				RgbConverter.Convert<ColorRG<ulong>, ulong, Color<byte, B, G, R, A>, byte>(input, width, height, output);
 				break;
 			case 65:
-				RgbConverter.Convert<ColorR<float>, float, ColorBGRA32, byte>(input, width, height, output);
+				RgbConverter.Convert<ColorRGB<ulong>, ulong, Color<byte, B, G, R, A>, byte>(input, width, height, output);
 				break;
 			case 66:
-				RgbConverter.Convert<ColorRG<float>, float, ColorBGRA32, byte>(input, width, height, output);
+				RgbConverter.Convert<ColorRGBA<ulong>, ulong, Color<byte, B, G, R, A>, byte>(input, width, height, output);
 				break;
 			case 67:
-				RgbConverter.Convert<ColorRGB<float>, float, ColorBGRA32, byte>(input, width, height, output);
+				RgbConverter.Convert<ColorA<ulong>, ulong, Color<byte, B, G, R, A>, byte>(input, width, height, output);
 				break;
 			case 68:
-				RgbConverter.Convert<ColorRGBA<float>, float, ColorBGRA32, byte>(input, width, height, output);
+				RgbConverter.Convert<ColorARGB<ulong>, ulong, Color<byte, B, G, R, A>, byte>(input, width, height, output);
 				break;
 			case 69:
-				RgbConverter.Convert<ColorA<float>, float, ColorBGRA32, byte>(input, width, height, output);
+				RgbConverter.Convert<ColorBGRA<ulong>, ulong, Color<byte, B, G, R, A>, byte>(input, width, height, output);
 				break;
 			case 70:
-				RgbConverter.Convert<ColorR<NFloat>, NFloat, ColorBGRA32, byte>(input, width, height, output);
+				RgbConverter.Convert<ColorR<Int128>, Int128, Color<byte, B, G, R, A>, byte>(input, width, height, output);
 				break;
 			case 71:
-				RgbConverter.Convert<ColorRG<NFloat>, NFloat, ColorBGRA32, byte>(input, width, height, output);
+				RgbConverter.Convert<ColorRG<Int128>, Int128, Color<byte, B, G, R, A>, byte>(input, width, height, output);
 				break;
 			case 72:
-				RgbConverter.Convert<ColorRGB<NFloat>, NFloat, ColorBGRA32, byte>(input, width, height, output);
+				RgbConverter.Convert<ColorRGB<Int128>, Int128, Color<byte, B, G, R, A>, byte>(input, width, height, output);
 				break;
 			case 73:
-				RgbConverter.Convert<ColorRGBA<NFloat>, NFloat, ColorBGRA32, byte>(input, width, height, output);
+				RgbConverter.Convert<ColorRGBA<Int128>, Int128, Color<byte, B, G, R, A>, byte>(input, width, height, output);
 				break;
 			case 74:
-				RgbConverter.Convert<ColorA<NFloat>, NFloat, ColorBGRA32, byte>(input, width, height, output);
+				RgbConverter.Convert<ColorA<Int128>, Int128, Color<byte, B, G, R, A>, byte>(input, width, height, output);
 				break;
 			case 75:
-				RgbConverter.Convert<ColorR<double>, double, ColorBGRA32, byte>(input, width, height, output);
+				RgbConverter.Convert<ColorARGB<Int128>, Int128, Color<byte, B, G, R, A>, byte>(input, width, height, output);
 				break;
 			case 76:
-				RgbConverter.Convert<ColorRG<double>, double, ColorBGRA32, byte>(input, width, height, output);
+				RgbConverter.Convert<ColorBGRA<Int128>, Int128, Color<byte, B, G, R, A>, byte>(input, width, height, output);
 				break;
 			case 77:
-				RgbConverter.Convert<ColorRGB<double>, double, ColorBGRA32, byte>(input, width, height, output);
+				RgbConverter.Convert<ColorR<UInt128>, UInt128, Color<byte, B, G, R, A>, byte>(input, width, height, output);
 				break;
 			case 78:
-				RgbConverter.Convert<ColorRGBA<double>, double, ColorBGRA32, byte>(input, width, height, output);
+				RgbConverter.Convert<ColorRG<UInt128>, UInt128, Color<byte, B, G, R, A>, byte>(input, width, height, output);
 				break;
 			case 79:
-				RgbConverter.Convert<ColorA<double>, double, ColorBGRA32, byte>(input, width, height, output);
+				RgbConverter.Convert<ColorRGB<UInt128>, UInt128, Color<byte, B, G, R, A>, byte>(input, width, height, output);
 				break;
 			case 80:
-				RgbConverter.Convert<ColorR<decimal>, decimal, ColorBGRA32, byte>(input, width, height, output);
+				RgbConverter.Convert<ColorRGBA<UInt128>, UInt128, Color<byte, B, G, R, A>, byte>(input, width, height, output);
 				break;
 			case 81:
-				RgbConverter.Convert<ColorRG<decimal>, decimal, ColorBGRA32, byte>(input, width, height, output);
+				RgbConverter.Convert<ColorA<UInt128>, UInt128, Color<byte, B, G, R, A>, byte>(input, width, height, output);
 				break;
 			case 82:
-				RgbConverter.Convert<ColorRGB<decimal>, decimal, ColorBGRA32, byte>(input, width, height, output);
+				RgbConverter.Convert<ColorARGB<UInt128>, UInt128, Color<byte, B, G, R, A>, byte>(input, width, height, output);
 				break;
 			case 83:
-				RgbConverter.Convert<ColorRGBA<decimal>, decimal, ColorBGRA32, byte>(input, width, height, output);
+				RgbConverter.Convert<ColorBGRA<UInt128>, UInt128, Color<byte, B, G, R, A>, byte>(input, width, height, output);
 				break;
 			case 84:
-				RgbConverter.Convert<ColorA<decimal>, decimal, ColorBGRA32, byte>(input, width, height, output);
+				RgbConverter.Convert<ColorR<Half>, Half, Color<byte, B, G, R, A>, byte>(input, width, height, output);
 				break;
 			case 85:
-				RgbConverter.Convert<ColorARGB16, byte, ColorBGRA32, byte>(input, width, height, output);
+				RgbConverter.Convert<ColorRG<Half>, Half, Color<byte, B, G, R, A>, byte>(input, width, height, output);
 				break;
 			case 86:
-				RgbConverter.Convert<ColorARGB32, byte, ColorBGRA32, byte>(input, width, height, output);
+				RgbConverter.Convert<ColorRGB<Half>, Half, Color<byte, B, G, R, A>, byte>(input, width, height, output);
 				break;
 			case 87:
-				RgbConverter.Convert<ColorBGRA32, byte, ColorBGRA32, byte>(input, width, height, output);
+				RgbConverter.Convert<ColorRGBA<Half>, Half, Color<byte, B, G, R, A>, byte>(input, width, height, output);
 				break;
 			case 88:
-				RgbConverter.Convert<ColorRGB16, byte, ColorBGRA32, byte>(input, width, height, output);
+				RgbConverter.Convert<ColorA<Half>, Half, Color<byte, B, G, R, A>, byte>(input, width, height, output);
 				break;
 			case 89:
-				RgbConverter.Convert<ColorRGB9e5, double, ColorBGRA32, byte>(input, width, height, output);
+				RgbConverter.Convert<ColorARGB<Half>, Half, Color<byte, B, G, R, A>, byte>(input, width, height, output);
 				break;
 			case 90:
-				RgbConverter.Convert<ColorRGBA16, byte, ColorBGRA32, byte>(input, width, height, output);
+				RgbConverter.Convert<ColorBGRA<Half>, Half, Color<byte, B, G, R, A>, byte>(input, width, height, output);
+				break;
+			case 91:
+				RgbConverter.Convert<ColorR<float>, float, Color<byte, B, G, R, A>, byte>(input, width, height, output);
+				break;
+			case 92:
+				RgbConverter.Convert<ColorRG<float>, float, Color<byte, B, G, R, A>, byte>(input, width, height, output);
+				break;
+			case 93:
+				RgbConverter.Convert<ColorRGB<float>, float, Color<byte, B, G, R, A>, byte>(input, width, height, output);
+				break;
+			case 94:
+				RgbConverter.Convert<ColorRGBA<float>, float, Color<byte, B, G, R, A>, byte>(input, width, height, output);
+				break;
+			case 95:
+				RgbConverter.Convert<ColorA<float>, float, Color<byte, B, G, R, A>, byte>(input, width, height, output);
+				break;
+			case 96:
+				RgbConverter.Convert<ColorARGB<float>, float, Color<byte, B, G, R, A>, byte>(input, width, height, output);
+				break;
+			case 97:
+				RgbConverter.Convert<ColorBGRA<float>, float, Color<byte, B, G, R, A>, byte>(input, width, height, output);
+				break;
+			case 98:
+				RgbConverter.Convert<ColorR<NFloat>, NFloat, Color<byte, B, G, R, A>, byte>(input, width, height, output);
+				break;
+			case 99:
+				RgbConverter.Convert<ColorRG<NFloat>, NFloat, Color<byte, B, G, R, A>, byte>(input, width, height, output);
+				break;
+			case 100:
+				RgbConverter.Convert<ColorRGB<NFloat>, NFloat, Color<byte, B, G, R, A>, byte>(input, width, height, output);
+				break;
+			case 101:
+				RgbConverter.Convert<ColorRGBA<NFloat>, NFloat, Color<byte, B, G, R, A>, byte>(input, width, height, output);
+				break;
+			case 102:
+				RgbConverter.Convert<ColorA<NFloat>, NFloat, Color<byte, B, G, R, A>, byte>(input, width, height, output);
+				break;
+			case 103:
+				RgbConverter.Convert<ColorARGB<NFloat>, NFloat, Color<byte, B, G, R, A>, byte>(input, width, height, output);
+				break;
+			case 104:
+				RgbConverter.Convert<ColorBGRA<NFloat>, NFloat, Color<byte, B, G, R, A>, byte>(input, width, height, output);
+				break;
+			case 105:
+				RgbConverter.Convert<ColorR<double>, double, Color<byte, B, G, R, A>, byte>(input, width, height, output);
+				break;
+			case 106:
+				RgbConverter.Convert<ColorRG<double>, double, Color<byte, B, G, R, A>, byte>(input, width, height, output);
+				break;
+			case 107:
+				RgbConverter.Convert<ColorRGB<double>, double, Color<byte, B, G, R, A>, byte>(input, width, height, output);
+				break;
+			case 108:
+				RgbConverter.Convert<ColorRGBA<double>, double, Color<byte, B, G, R, A>, byte>(input, width, height, output);
+				break;
+			case 109:
+				RgbConverter.Convert<ColorA<double>, double, Color<byte, B, G, R, A>, byte>(input, width, height, output);
+				break;
+			case 110:
+				RgbConverter.Convert<ColorARGB<double>, double, Color<byte, B, G, R, A>, byte>(input, width, height, output);
+				break;
+			case 111:
+				RgbConverter.Convert<ColorBGRA<double>, double, Color<byte, B, G, R, A>, byte>(input, width, height, output);
+				break;
+			case 112:
+				RgbConverter.Convert<ColorR<decimal>, decimal, Color<byte, B, G, R, A>, byte>(input, width, height, output);
+				break;
+			case 113:
+				RgbConverter.Convert<ColorRG<decimal>, decimal, Color<byte, B, G, R, A>, byte>(input, width, height, output);
+				break;
+			case 114:
+				RgbConverter.Convert<ColorRGB<decimal>, decimal, Color<byte, B, G, R, A>, byte>(input, width, height, output);
+				break;
+			case 115:
+				RgbConverter.Convert<ColorRGBA<decimal>, decimal, Color<byte, B, G, R, A>, byte>(input, width, height, output);
+				break;
+			case 116:
+				RgbConverter.Convert<ColorA<decimal>, decimal, Color<byte, B, G, R, A>, byte>(input, width, height, output);
+				break;
+			case 117:
+				RgbConverter.Convert<ColorARGB<decimal>, decimal, Color<byte, B, G, R, A>, byte>(input, width, height, output);
+				break;
+			case 118:
+				RgbConverter.Convert<ColorBGRA<decimal>, decimal, Color<byte, B, G, R, A>, byte>(input, width, height, output);
+				break;
+			case 119:
+				RgbConverter.Convert<ColorARGB16, byte, Color<byte, B, G, R, A>, byte>(input, width, height, output);
+				break;
+			case 120:
+				RgbConverter.Convert<ColorRGB16, byte, Color<byte, B, G, R, A>, byte>(input, width, height, output);
+				break;
+			case 121:
+				RgbConverter.Convert<ColorRGB9e5, double, Color<byte, B, G, R, A>, byte>(input, width, height, output);
+				break;
+			case 122:
+				RgbConverter.Convert<ColorRGBA16, byte, Color<byte, B, G, R, A>, byte>(input, width, height, output);
 				break;
 			default:
 				throw new NotSupportedException(mode.ToString());

AssetRipper.TextureDecoder.SourceGeneration.Common/CSharpPrimitives.cs

@@ -68,11 +68,18 @@ public static class CSharpPrimitives
 		return type == typeof(Half) || type == typeof(float) || type == typeof(NFloat) || type == typeof(double) || type == typeof(decimal);
 	}
 
+	public static bool IsInteger(Type type)
+	{
+		return IsUnsignedInteger(type) || IsSignedInteger(type);
+	}
+
 	public static bool IsUnsignedInteger(Type type)
 	{
 		return type == typeof(byte) || type == typeof(ushort) || type == typeof(uint) || type == typeof(nuint) || type == typeof(ulong) || type == typeof(UInt128);
 	}
 
+	public static bool IsSignedInteger(Type type) => IsSignedInteger(type, out _);
+
 	public static bool IsSignedInteger(Type type, [NotNullWhen(true)] out Type? unsignedType)
 	{
 		if (type == typeof(sbyte))
@@ -195,6 +202,21 @@ public static class CSharpPrimitives
 		}
 	}
 
+	public static Data GetDataForIntegerFloatingPointConversion(Data integerType, Data floatingPointType)
+	{
+		if (!IsInteger(integerType.Type))
+		{
+			throw new ArgumentException("The provided integer type is not an integer type.", nameof(integerType));
+		}
+		if (!IsFloatingPoint(floatingPointType.Type))
+		{
+			throw new ArgumentException("The provided floating point type is not a floating point type.", nameof(floatingPointType));
+		}
+
+		Data result = integerType.Size < sizeof(uint) ? Dictionary[typeof(float)] : Dictionary[typeof(double)];
+		return floatingPointType.Size >= result.Size ? floatingPointType : result;
+	}
+
 	public abstract class Data
 	{
 		public abstract Type Type { get; }

AssetRipper.TextureDecoder.TestGenerator/AssetRipper.TextureDecoder.TestGenerator.csproj

@@ -11,7 +11,7 @@
 	</ItemGroup>
 
 	<ItemGroup>
-		<PackageReference Include="AssetRipper.Text.SourceGeneration" Version="1.1.0" />
+		<PackageReference Include="AssetRipper.Text.SourceGeneration" Version="1.2.3" />
 	</ItemGroup>
 
 </Project>

AssetRipper.TextureDecoder.TestGenerator/Program.cs

@@ -1,5 +1,6 @@
 using AssetRipper.Text.SourceGeneration;
 using AssetRipper.TextureDecoder.Rgb;
+using AssetRipper.TextureDecoder.Rgb.Channels;
 using AssetRipper.TextureDecoder.Rgb.Formats;
 using AssetRipper.TextureDecoder.SourceGeneration.Common;
 using System.CodeDom.Compiler;
@@ -12,8 +13,6 @@ namespace AssetRipper.TextureDecoder.TestGenerator
 		internal static readonly List<GenerationData> dataList = new()
 		{
 			GenerationData.Create<ColorARGB16>(2),
-			GenerationData.Create<ColorARGB32>(4),
-			GenerationData.Create<ColorBGRA32>(4),
 			GenerationData.Create<ColorRGB16>(2),
 			GenerationData.Create<ColorRGB9e5>(4),
 			GenerationData.Create<ColorRGBA16>(2),
@@ -35,7 +34,8 @@ namespace AssetRipper.TextureDecoder.TestGenerator
 			writer.WriteGeneratedCodeWarning();
 			writer.WriteLine();
 			writer.WriteLine($"using {typeof(RgbConverter).Namespace};");
-			writer.WriteLine($"using {typeof(ColorBGRA32).Namespace};");
+			writer.WriteLine($"using {typeof(B).Namespace};");
+			writer.WriteLine($"using {typeof(ColorRGBA16).Namespace};");
 			writer.WriteLine($"using {typeof(NFloat).Namespace};");
 			writer.WriteLine();
 

AssetRipper.TextureDecoder.TestGenerator/TestClassGenerator.cs

@@ -75,27 +75,27 @@ internal static class TestClassGenerator
 				}
 
 				textWriter.WriteLineNoTabs();
-				textWriter.WriteLosslessConversionTest(data.ColorType.Name, data.ChannelTypeName, $"{nameof(ColorRGBA<byte>)}<{channelTypeName}>", channelTypeName);
+				textWriter.WriteLosslessConversionTest(data.ColorType.Name, data.ChannelTypeName, $"{nameof(ColorRGBA<>)}<{channelTypeName}>", channelTypeName);
 
 				if (!data.AlphaChannel)
 				{
 					textWriter.WriteLineNoTabs();
-					textWriter.WriteLosslessConversionTest(data.ColorType.Name, data.ChannelTypeName, $"{nameof(ColorRGB<byte>)}<{channelTypeName}>", channelTypeName);
+					textWriter.WriteLosslessConversionTest(data.ColorType.Name, data.ChannelTypeName, $"{nameof(ColorRGB<>)}<{channelTypeName}>", channelTypeName);
 					if (!data.BlueChannel)
 					{
 						textWriter.WriteLineNoTabs();
-						textWriter.WriteLosslessConversionTest(data.ColorType.Name, data.ChannelTypeName, $"{nameof(ColorRG<byte>)}<{channelTypeName}>", channelTypeName);
+						textWriter.WriteLosslessConversionTest(data.ColorType.Name, data.ChannelTypeName, $"{nameof(ColorRG<>)}<{channelTypeName}>", channelTypeName);
 						if (!data.GreenChannel)
 						{
 							textWriter.WriteLineNoTabs();
-							textWriter.WriteLosslessConversionTest(data.ColorType.Name, data.ChannelTypeName, $"{nameof(ColorR<byte>)}<{channelTypeName}>", channelTypeName);
+							textWriter.WriteLosslessConversionTest(data.ColorType.Name, data.ChannelTypeName, $"{nameof(ColorR<>)}<{channelTypeName}>", channelTypeName);
 						}
 					}
 				}
 				if (!data.RedChannel && !data.GreenChannel && !data.BlueChannel)
 				{
 					textWriter.WriteLineNoTabs();
-					textWriter.WriteLosslessConversionTest(data.ColorType.Name, data.ChannelTypeName, $"{nameof(ColorA<byte>)}<{channelTypeName}>", channelTypeName);
+					textWriter.WriteLosslessConversionTest(data.ColorType.Name, data.ChannelTypeName, $"{nameof(ColorA<>)}<{channelTypeName}>", channelTypeName);
 				}
 			}
 
@@ -135,11 +135,13 @@ internal static class TestClassGenerator
 
 	internal static IEnumerable<string> GetGenericColorNames()
 	{
-		yield return nameof(ColorR<byte>);
-		yield return nameof(ColorRG<byte>);
-		yield return nameof(ColorRGB<byte>);
-		yield return nameof(ColorRGBA<byte>);
-		yield return nameof(ColorA<byte>);
+		yield return nameof(ColorR<>);
+		yield return nameof(ColorRG<>);
+		yield return nameof(ColorRGB<>);
+		yield return nameof(ColorRGBA<>);
+		yield return nameof(ColorA<>);
+		yield return nameof(ColorARGB<>);
+		yield return nameof(ColorBGRA<>);
 	}
 
 	private static void MakeLosslessColorTests()
@@ -218,7 +220,7 @@ internal static class TestClassGenerator
 
 		textWriter.WriteLine("var color = MakeRandomColor();");
 		textWriter.WriteLine("color.GetChannels(out var r, out var g, out var b, out var a);");
-		textWriter.WriteLine("Assert.Multiple(() =>");
+		textWriter.WriteLine("using (Assert.EnterMultipleScope())");
 		textWriter.WriteLine("{");
 		textWriter.Indent += 1;
 
@@ -228,7 +230,7 @@ internal static class TestClassGenerator
 		}
 
 		textWriter.Indent -= 1;
-		textWriter.WriteLine("});");
+		textWriter.WriteLine("};");
 
 		textWriter.Indent -= 1;
 		textWriter.WriteLine("}");
@@ -248,7 +250,7 @@ internal static class TestClassGenerator
 		}
 		textWriter.WriteLine($"color.{channel} = MakeRandomValue();");
 
-		textWriter.WriteLine("Assert.Multiple(() =>");
+		textWriter.WriteLine("using (Assert.EnterMultipleScope())");
 		textWriter.WriteLine("{");
 		textWriter.Indent += 1;
 
@@ -258,7 +260,7 @@ internal static class TestClassGenerator
 		}
 
 		textWriter.Indent -= 1;
-		textWriter.WriteLine("});");
+		textWriter.WriteLine("};");
 
 		textWriter.Indent -= 1;
 		textWriter.WriteLine("}");
@@ -308,7 +310,7 @@ internal static class TestClassGenerator
 		textWriter.WriteLine("var color = MakeRandomColor();");
 		textWriter.WriteLine("color.GetChannels(out var r, out var g, out var b, out var a);");
 		textWriter.WriteLine("color.SetChannels(r, g, b, a);");
-		textWriter.WriteLine("Assert.Multiple(() =>");
+		textWriter.WriteLine("using (Assert.EnterMultipleScope())");
 		textWriter.WriteLine("{");
 		textWriter.Indent += 1;
 
@@ -318,7 +320,7 @@ internal static class TestClassGenerator
 		}
 
 		textWriter.Indent -= 1;
-		textWriter.WriteLine("});");
+		textWriter.WriteLine("};");
 
 		textWriter.Indent -= 1;
 		textWriter.WriteLine("}");

AssetRipper.TextureDecoder.Tests/AssetRipper.TextureDecoder.Tests.csproj

@@ -5,14 +5,14 @@
 	</PropertyGroup>
 
 	<ItemGroup>
-		<PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.10.0" />
-		<PackageReference Include="NUnit" Version="4.1.0" />
-		<PackageReference Include="NUnit3TestAdapter" Version="4.6.0" />
-		<PackageReference Include="NUnit.Analyzers" Version="4.2.0">
+		<PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.5.1" />
+		<PackageReference Include="NUnit" Version="4.5.0" />
+		<PackageReference Include="NUnit3TestAdapter" Version="6.1.0" />
+		<PackageReference Include="NUnit.Analyzers" Version="4.11.2">
 			<PrivateAssets>all</PrivateAssets>
 			<IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
 		</PackageReference>
-		<PackageReference Include="coverlet.collector" Version="6.0.2">
+		<PackageReference Include="coverlet.collector" Version="8.0.0">
 		  <PrivateAssets>all</PrivateAssets>
 		  <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
 		</PackageReference>

AssetRipper.TextureDecoder.Tests/AstcTests.cs

@@ -1,4 +1,5 @@
 using AssetRipper.TextureDecoder.Astc;
+using AssetRipper.TextureDecoder.Rgb.Formats;
 
 namespace AssetRipper.TextureDecoder.Tests;
 
@@ -67,7 +68,7 @@ public sealed class AstcTests
 	private static void AssertCorrectDecompression<T>(int blockWidth, int blockHeight, double maxMeanDeviation, double maxStandardDeviation) where T : ITexture
 	{
 		ReadOnlySpan<byte> data = T.Data;
-		int bytesRead = AstcDecoder.DecodeASTC(data, T.Width, T.Height, blockWidth, blockHeight, out byte[] decompressedData);
+		int bytesRead = AstcDecoder.DecodeASTC<ColorBGRA<byte>, byte>(data, T.Width, T.Height, blockWidth, blockHeight, out byte[] decompressedData);
 		if (!T.Mips)
 		{
 			Assert.That(bytesRead, Is.EqualTo(data.Length));
@@ -78,6 +79,6 @@ public sealed class AstcTests
 	[TestCase(new byte[16] { 83, 1, 147, 104, 198, 173, 55, 116, 182, 66, 105, 11, 102, 43, 148, 125 }, 8, 8, TestName = "GetBits Should not throw in DecodeIntseq")]
 	public void DecodesBlockWithoutThrowing(byte[] block, int blockWidth, int blockHeight)
 	{
-		Assert.DoesNotThrow(() => AstcDecoder.DecodeASTC(block, blockWidth, blockHeight, blockWidth, blockHeight, out _));
+		Assert.DoesNotThrow(() => AstcDecoder.DecodeASTC<ColorBGRA<byte>, byte>(block, blockWidth, blockHeight, blockWidth, blockHeight, out _));
 	}
 }

AssetRipper.TextureDecoder.Tests/AtcTests.cs

@@ -1,4 +1,6 @@
-namespace AssetRipper.TextureDecoder.Tests
+using AssetRipper.TextureDecoder.Rgb.Formats;
+
+namespace AssetRipper.TextureDecoder.Tests
 {
 	public sealed class AtcTests
 	{
@@ -6,24 +8,24 @@
 		public void DecompressAtcRgb4Test()
 		{
 			byte[] data = File.ReadAllBytes(TestFileFolders.AtcTestFiles + "test.atc_rgb4");
-			int bytesRead = Atc.AtcDecoder.DecompressAtcRgb4(data, 256, 256, out byte[] decodedData);
-			Assert.Multiple(() =>
+			int bytesRead = Atc.AtcDecoder.DecompressAtcRgb4<ColorBGRA<byte>, byte>(data, 256, 256, out byte[] decodedData);
+			using (Assert.EnterMultipleScope())
 			{
 				Assert.That(bytesRead, Is.EqualTo(data.Length));
 				Assert.That(decodedData, Is.EqualTo(File.ReadAllBytes(TestFileFolders.AtcTestFiles + "test.atc_rgb4_decoded")));
-			});
+			}
 		}
 
 		[Test]
 		public void DecompressAtcRgba8Test()
 		{
 			byte[] data = File.ReadAllBytes(TestFileFolders.AtcTestFiles + "test.atc_rgba8");
-			int bytesRead = Atc.AtcDecoder.DecompressAtcRgba8(data, 256, 256, out byte[] decodedData);
-			Assert.Multiple(() =>
+			int bytesRead = Atc.AtcDecoder.DecompressAtcRgba8<ColorBGRA<byte>, byte>(data, 256, 256, out byte[] decodedData);
+			using (Assert.EnterMultipleScope())
 			{
 				Assert.That(bytesRead, Is.EqualTo(data.Length));
 				Assert.That(decodedData, Is.EqualTo(File.ReadAllBytes(TestFileFolders.AtcTestFiles + "test.atc_rgba8_decoded")));
-			});
+			}
 		}
 	}
 }

AssetRipper.TextureDecoder.Tests/BcTests.cs

@@ -21,14 +21,14 @@ namespace AssetRipper.TextureDecoder.Tests
 		}
 		
 		[Test]
-		public void DecompressDXT1Test()
+		public void Decompress_BC1()
 		{
 			ReadOnlySpan<byte> data = File.ReadAllBytes(TestFileFolders.DxtTestFiles + "test.dxt1");
 			int totalBytesRead = 0;
 			foreach (int size in new int[] { 256, 128, 64, 32, 16, 8, 4 }) //mipmaps 2 and 1 cause a buffer overrun for the output
 			{
-				int bytesRead = Bc1.Decompress(data.Slice(totalBytesRead), size, size, out byte[] bcDecodedData);
-				DxtDecoder.DecompressDXT1(data.Slice(totalBytesRead), size, size, out byte[] dxtDecodedData);
+				int bytesRead = Bc1.Decompress<ColorBGRA<byte>, byte>(data.Slice(totalBytesRead), size, size, out byte[] bcDecodedData);
+				DxtDecoder.DecompressDXT1<ColorBGRA<byte>, byte>(data.Slice(totalBytesRead), size, size, out byte[] dxtDecodedData);
 				totalBytesRead += bytesRead;
 				AssertAlmostEqual(dxtDecodedData, bcDecodedData);
 			}
@@ -36,14 +36,14 @@ namespace AssetRipper.TextureDecoder.Tests
 		}
 
 		[Test]
-		public void DecompressDXT3Test()
+		public void Decompress_BC2()
 		{
 			ReadOnlySpan<byte> data = File.ReadAllBytes(TestFileFolders.DxtTestFiles + "test.dxt3");
 			int totalBytesRead = 0;
 			foreach (int size in new int[] { 256, 128, 64, 32, 16, 8, 4 }) //mipmaps 2 and 1 cause a buffer overrun for the output
 			{
-				int bytesRead = Bc2.Decompress(data.Slice(totalBytesRead), size, size, out byte[] bcDecodedData);
-				DxtDecoder.DecompressDXT3(data.Slice(totalBytesRead), size, size, out byte[] dxtDecodedData);
+				int bytesRead = Bc2.Decompress<ColorBGRA<byte>, byte>(data.Slice(totalBytesRead), size, size, out byte[] bcDecodedData);
+				DxtDecoder.DecompressDXT3<ColorBGRA<byte>, byte>(data.Slice(totalBytesRead), size, size, out byte[] dxtDecodedData);
 				totalBytesRead += bytesRead;
 				AssertAlmostEqual(dxtDecodedData, bcDecodedData);
 			}
@@ -51,14 +51,14 @@ namespace AssetRipper.TextureDecoder.Tests
 		}
 
 		[Test]
-		public void DecompressDXT5Test()
+		public void Decompress_BC3()
 		{
 			ReadOnlySpan<byte> data = File.ReadAllBytes(TestFileFolders.DxtTestFiles + "test.dxt5");
 			int totalBytesRead = 0;
 			foreach (int size in new int[] { 256, 128, 64, 32, 16, 8, 4 }) //mipmaps 2 and 1 cause a buffer overrun for the output
 			{
-				int bytesRead = Bc3.Decompress(data.Slice(totalBytesRead), size, size, out byte[] bcDecodedData);
-				DxtDecoder.DecompressDXT5(data.Slice(totalBytesRead), size, size, out byte[] dxtDecodedData);
+				int bytesRead = Bc3.Decompress<ColorBGRA<byte>, byte>(data.Slice(totalBytesRead), size, size, out byte[] bcDecodedData);
+				DxtDecoder.DecompressDXT5<ColorBGRA<byte>, byte>(data.Slice(totalBytesRead), size, size, out byte[] dxtDecodedData);
 				totalBytesRead += bytesRead;
 				AssertAlmostEqual(dxtDecodedData, bcDecodedData);
 			}
@@ -66,25 +66,25 @@ namespace AssetRipper.TextureDecoder.Tests
 		}
 
 		[Test]
-		public void DecompressBC4Test()
+		public void Decompress_BC4()
 		{
 			ReadOnlySpan<byte> data = File.ReadAllBytes(TestFileFolders.BcTestFiles + "test.bc4");
-			int bytesRead = Bc4.Decompress(data, 512, 512, out _);
+			int bytesRead = Bc4.Decompress<ColorBGRA<byte>, byte>(data, 512, 512, out _);
 			Assert.That(bytesRead, Is.EqualTo(data.Length));
 		}
 
 		[Test]
-		public void DecompressBC5Test()
+		public void Decompress_BC5()
 		{
 			ReadOnlySpan<byte> data = File.ReadAllBytes(TestFileFolders.BcTestFiles + "test.bc5");
-			int bytesRead = Bc5.Decompress(data, 512, 512, out _);
+			int bytesRead = Bc5.Decompress<ColorBGRA<byte>, byte>(data, 512, 512, out _);
 			Assert.That(bytesRead, Is.EqualTo(data.Length));
 		}
 
 		[TestCase("test.bc6h_fast")]
 		[TestCase("test.bc6h_normal")]
 		[TestCase("test.bc6h_best")]
-		public void DecompressBC6HTest(string fileName)
+		public void Decompress_BC6H(string fileName)
 		{
 			AssertCorrectBC6HDecompression(TestFileFolders.BcTestFiles + fileName, 512, 512, false);
 		}
@@ -92,28 +92,99 @@ namespace AssetRipper.TextureDecoder.Tests
 		[TestCase("test.bc7_fast")]
 		[TestCase("test.bc7_normal")]
 		[TestCase("test.bc7_best")]
-		public void DecompressBC7Test(string fileName)
+		public void Decompress_BC7(string fileName)
 		{
 			AssertCorrectBC7Decompression(TestFileFolders.BcTestFiles + fileName, 512, 512);
 		}
 
 		[Test]
-		[Ignore("Not implemented")]
-		public void BC7PartialBlockTest([Range(1, 4)] int width, [Range(1, 4)] int height)
+		public void PartialBlock_BC1([Range(1, 4)] int width, [Range(1, 4)] int height)
 		{
-			Assert.Multiple(() =>
+			using (Assert.EnterMultipleScope())
+			{
+				ReadOnlySpan<byte> data = File.ReadAllBytes(TestFileFolders.DxtTestFiles + "test.dxt1").AsSpan()[..Bc1.BlockSize];
+				int bytesRead = Bc1.Decompress<ColorBGRA<byte>, byte>(data, width, height, out byte[] decodedData);
+				Assert.That(bytesRead, Is.EqualTo(data.Length));
+				Assert.That(decodedData, Has.Length.EqualTo(width * height * Unsafe.SizeOf<ColorBGRA<byte>>()));
+			}
+		}
+
+		[Test]
+		public void PartialBlock_BC2([Range(1, 4)] int width, [Range(1, 4)] int height)
+		{
+			using (Assert.EnterMultipleScope())
+			{
+				ReadOnlySpan<byte> data = File.ReadAllBytes(TestFileFolders.DxtTestFiles + "test.dxt3").AsSpan()[..Bc2.BlockSize];
+				int bytesRead = Bc2.Decompress<ColorBGRA<byte>, byte>(data, width, height, out byte[] decodedData);
+				Assert.That(bytesRead, Is.EqualTo(data.Length));
+				Assert.That(decodedData, Has.Length.EqualTo(width * height * Unsafe.SizeOf<ColorBGRA<byte>>()));
+			}
+		}
+
+		[Test]
+		public void PartialBlock_BC3([Range(1, 4)] int width, [Range(1, 4)] int height)
+		{
+			using (Assert.EnterMultipleScope())
+			{
+				ReadOnlySpan<byte> data = File.ReadAllBytes(TestFileFolders.DxtTestFiles + "test.dxt5").AsSpan()[..Bc3.BlockSize];
+				int bytesRead = Bc3.Decompress<ColorBGRA<byte>, byte>(data, width, height, out byte[] decodedData);
+				Assert.That(bytesRead, Is.EqualTo(data.Length));
+				Assert.That(decodedData, Has.Length.EqualTo(width * height * Unsafe.SizeOf<ColorBGRA<byte>>()));
+			}
+		}
+
+		[Test]
+		public void PartialBlock_BC4([Range(1, 4)] int width, [Range(1, 4)] int height)
+		{
+			using (Assert.EnterMultipleScope())
+			{
+				ReadOnlySpan<byte> data = File.ReadAllBytes(TestFileFolders.BcTestFiles + "test.bc4").AsSpan()[..Bc4.BlockSize];
+				int bytesRead = Bc4.Decompress<ColorBGRA<byte>, byte>(data, width, height, out byte[] decodedData);
+				Assert.That(bytesRead, Is.EqualTo(data.Length));
+				Assert.That(decodedData, Has.Length.EqualTo(width * height * Unsafe.SizeOf<ColorBGRA<byte>>()));
+			}
+		}
+
+		[Test]
+		public void PartialBlock_BC5([Range(1, 4)] int width, [Range(1, 4)] int height)
+		{
+			using (Assert.EnterMultipleScope())
+			{
+				ReadOnlySpan<byte> data = File.ReadAllBytes(TestFileFolders.BcTestFiles + "test.bc5").AsSpan()[..Bc5.BlockSize];
+				int bytesRead = Bc5.Decompress<ColorBGRA<byte>, byte>(data, width, height, out byte[] decodedData);
+				Assert.That(bytesRead, Is.EqualTo(data.Length));
+				Assert.That(decodedData, Has.Length.EqualTo(width * height * Unsafe.SizeOf<ColorBGRA<byte>>()));
+			}
+		}
+
+		[Test]
+		public void PartialBlock_BC6H([Range(1, 4)] int width, [Range(1, 4)] int height)
+		{
+			using (Assert.EnterMultipleScope())
+			{
+				ReadOnlySpan<byte> data = File.ReadAllBytes(TestFileFolders.BcTestFiles + "test.bc6h_best").AsSpan()[..Bc6h.BlockSize];
+				int bytesRead = Bc6h.Decompress<ColorBGRA<byte>, byte>(data, width, height, false, out byte[] decodedData);
+				Assert.That(bytesRead, Is.EqualTo(data.Length));
+				Assert.That(decodedData, Has.Length.EqualTo(width * height * Unsafe.SizeOf<ColorBGRA<byte>>()));
+			}
+		}
+
+		[Test]
+		public void PartialBlock_BC7([Range(1, 4)] int width, [Range(1, 4)] int height)
+		{
+			using (Assert.EnterMultipleScope())
 			{
 				ReadOnlySpan<byte> data = File.ReadAllBytes(TestFileFolders.BcTestFiles + "test.bc7_best").AsSpan()[..Bc7.BlockSize];
-				int bytesRead = Bc7.Decompress(data, width, height, out byte[] decodedData);
+				int bytesRead = Bc7.Decompress<ColorBGRA<byte>, byte>(data, width, height, out byte[] decodedData);
 				Assert.That(bytesRead, Is.EqualTo(data.Length));
-				Assert.That(decodedData, Has.Length.EqualTo(width * height * Unsafe.SizeOf<ColorBGRA32>()));
-			});
+				Assert.That(decodedData, Has.Length.EqualTo(width * height * Unsafe.SizeOf<ColorBGRA<byte>>()));
+			}
 		}
 
 		private static void AssertCorrectBC6HDecompression(string path, int width, int height, bool isSigned)
 		{
 			ReadOnlySpan<byte> data = File.ReadAllBytes(path);
-			int bytesRead = Bc6h.Decompress(data, width, height, isSigned, out byte[] decodedData);
+			int bytesRead = Bc6h.Decompress<ColorBGRA<byte>, byte>(data, width, height, isSigned, out byte[] decodedData);
 			Assert.That(bytesRead, Is.EqualTo(data.Length));
 			ByteArrayDeviation.AssertMinimalDeviation(decodedData, originalBgra32LogoData, MaxMeanDeviationBc6h, MaxStandardDeviationBc6h);
 		}
@@ -121,7 +192,7 @@ namespace AssetRipper.TextureDecoder.Tests
 		private static void AssertCorrectBC7Decompression(string path, int width, int height)
 		{
 			ReadOnlySpan<byte> data = File.ReadAllBytes(path);
-			int bytesRead = Bc7.Decompress(data, width, height, out byte[] decodedData);
+			int bytesRead = Bc7.Decompress<ColorBGRA<byte>, byte>(data, width, height, out byte[] decodedData);
 			Assert.That(bytesRead, Is.EqualTo(data.Length));
 			ByteArrayDeviation.AssertMinimalDeviation(decodedData, originalBgra32LogoData, MaxMeanDeviationBc7, MaxStandardDeviationBc7);
 		}

AssetRipper.TextureDecoder.Tests/ByteArrayDeviation.cs

@@ -30,11 +30,11 @@ internal static class ByteArrayDeviation
 		double standardDeviation = Math.Sqrt(sumOfSquaredDeviations / (decoded.Length - 1));
 		//Not sure if Bessel's correction is needed here, but it doesn't hurt, especially since length is around 1 million in the current use.
 
-		Assert.Multiple(() =>
+		using (Assert.EnterMultipleScope())
 		{
 			Assert.That(mean, Is.LessThan(maxMeanDeviation), "Mean too far positive");
 			Assert.That(mean, Is.GreaterThan(-maxMeanDeviation), "Mean too far negative");
 			Assert.That(standardDeviation, Is.LessThan(maxStandardDeviation), "Standard deviation too large");
-		});
+		}
 	}
 }

AssetRipper.TextureDecoder.Tests/DxtTests.cs

@@ -1,4 +1,6 @@
-namespace AssetRipper.TextureDecoder.Tests
+using AssetRipper.TextureDecoder.Rgb.Formats;
+
+namespace AssetRipper.TextureDecoder.Tests
 {
 	public sealed class DxtTests
 	{
@@ -9,7 +11,7 @@
 			int totalBytesRead = 0;
 			foreach (int size in new int[] { 256, 128, 64, 32, 16, 8, 4, 2, 1 }) //mip maps
 			{
-				int bytesRead = Dxt.DxtDecoder.DecompressDXT1(data.Slice(totalBytesRead), size, size, out _);
+				int bytesRead = Dxt.DxtDecoder.DecompressDXT1<ColorBGRA<byte>, byte>(data.Slice(totalBytesRead), size, size, out _);
 				totalBytesRead += bytesRead;
 			}
 			Assert.That(totalBytesRead, Is.EqualTo(data.Length));
@@ -22,7 +24,7 @@
 			int totalBytesRead = 0;
 			foreach (int size in new int[] { 256, 128, 64, 32, 16, 8, 4, 2, 1 }) //mip maps
 			{
-				int bytesRead = Dxt.DxtDecoder.DecompressDXT3(data.Slice(totalBytesRead), size, size, out _);
+				int bytesRead = Dxt.DxtDecoder.DecompressDXT3<ColorBGRA<byte>, byte>(data.Slice(totalBytesRead), size, size, out _);
 				totalBytesRead += bytesRead;
 			}
 			Assert.That(totalBytesRead, Is.EqualTo(data.Length));
@@ -35,7 +37,7 @@
 			int totalBytesRead = 0;
 			foreach (int size in new int[] { 256, 128, 64, 32, 16, 8, 4, 2, 1 }) //mip maps
 			{
-				int bytesRead = Dxt.DxtDecoder.DecompressDXT5(data.Slice(totalBytesRead), size, size, out _);
+				int bytesRead = Dxt.DxtDecoder.DecompressDXT5<ColorBGRA<byte>, byte>(data.Slice(totalBytesRead), size, size, out _);
 				totalBytesRead += bytesRead;
 			}
 			Assert.That(totalBytesRead, Is.EqualTo(data.Length));

AssetRipper.TextureDecoder.Tests/EtcTests.cs

@@ -6,14 +6,14 @@ namespace AssetRipper.TextureDecoder.Tests;
 
 public sealed class EtcTests
 {
-	private static DecodingDelegate ETCDelegate { get; } = (ArraySegment<byte> data, int width, int height, out byte[] decompressedData) => EtcDecoder.DecompressETC(data, width, height, out decompressedData);
-	private static DecodingDelegate ETC2Delegate { get; } = (ArraySegment<byte> data, int width, int height, out byte[] decompressedData) => EtcDecoder.DecompressETC2(data, width, height, out decompressedData);
-	private static DecodingDelegate ETC2A1Delegate { get; } = (ArraySegment<byte> data, int width, int height, out byte[] decompressedData) => EtcDecoder.DecompressETC2A1(data, width, height, out decompressedData);
-	private static DecodingDelegate ETC2A8Delegate { get; } = (ArraySegment<byte> data, int width, int height, out byte[] decompressedData) => EtcDecoder.DecompressETC2A8(data, width, height, out decompressedData);
-	private static DecodingDelegate EACRSignedDelegate { get; } = (ArraySegment<byte> data, int width, int height, out byte[] decompressedData) => EtcDecoder.DecompressEACRSigned(data, width, height, out decompressedData);
-	private static DecodingDelegate EACRUnsignedDelegate { get; } = (ArraySegment<byte> data, int width, int height, out byte[] decompressedData) => EtcDecoder.DecompressEACRUnsigned(data, width, height, out decompressedData);
-	private static DecodingDelegate EACRGSignedDelegate { get; } = (ArraySegment<byte> data, int width, int height, out byte[] decompressedData) => EtcDecoder.DecompressEACRGSigned(data, width, height, out decompressedData);
-	private static DecodingDelegate EACRGUnsignedDelegate { get; } = (ArraySegment<byte> data, int width, int height, out byte[] decompressedData) => EtcDecoder.DecompressEACRGUnsigned(data, width, height, out decompressedData);
+	private static DecodingDelegate ETCDelegate { get; } = EtcDecoder.DecompressETC<ColorBGRA<byte>, byte>;
+	private static DecodingDelegate ETC2Delegate { get; } = EtcDecoder.DecompressETC2<ColorBGRA<byte>, byte>;
+	private static DecodingDelegate ETC2A1Delegate { get; } = EtcDecoder.DecompressETC2A1<ColorBGRA<byte>, byte>;
+	private static DecodingDelegate ETC2A8Delegate { get; } = EtcDecoder.DecompressETC2A8<ColorBGRA<byte>, byte>;
+	private static DecodingDelegate EACRSignedDelegate { get; } = EtcDecoder.DecompressEACRSigned<ColorBGRA<byte>, byte>;
+	private static DecodingDelegate EACRUnsignedDelegate { get; } = EtcDecoder.DecompressEACRUnsigned<ColorBGRA<byte>, byte>;
+	private static DecodingDelegate EACRGSignedDelegate { get; } = EtcDecoder.DecompressEACRGSigned<ColorBGRA<byte>, byte>;
+	private static DecodingDelegate EACRGUnsignedDelegate { get; } = EtcDecoder.DecompressEACRGUnsigned<ColorBGRA<byte>, byte>;
 
 	[Test]
 	public void DecompressETCTest() => AssertCorrectByteCountReadFor256SquareWithMips(TestFileFolders.EtcTestFiles + "test.etc", ETCDelegate);
@@ -57,7 +57,7 @@ public sealed class EtcTests
 	[Test]
 	public void CorrectnessEACRGUnsignedTest() => AssertCorrectDecompression<AndroidTextures.Logo_15, ColorRG<byte>>(EACRGUnsignedDelegate, .1, .6);
 
-	private delegate int DecodingDelegate(ArraySegment<byte> data, int width, int height, out byte[] decompressedData);
+	private delegate int DecodingDelegate(ReadOnlySpan<byte> data, int width, int height, out byte[] decompressedData);
 
 	private static void AssertCorrectByteCountReadFor256SquareWithMips(string path, DecodingDelegate decoder)
 	{
@@ -65,7 +65,7 @@ public sealed class EtcTests
 		int totalBytesRead = 0;
 		foreach (int size in new int[] { 256, 128, 64, 32, 16, 8, 4, 2, 1 }) //mip maps
 		{
-			int bytesRead = decoder.Invoke(new ArraySegment<byte>(data, totalBytesRead, data.Length - totalBytesRead), size, size, out _);
+			int bytesRead = decoder.Invoke(new ReadOnlySpan<byte>(data, totalBytesRead, data.Length - totalBytesRead), size, size, out _);
 			totalBytesRead += bytesRead;
 		}
 		Assert.That(totalBytesRead, Is.EqualTo(data.Length));
@@ -79,7 +79,7 @@ public sealed class EtcTests
 	private static void AssertCorrectDecompression<TTexture, TColor>(DecodingDelegate decoder, double maxMeanDeviation, double maxStandardDeviation) where TTexture : ITexture where TColor : unmanaged, IColor<TColor, byte>
 	{
 		byte[] data = TTexture.Data;
-		int bytesRead = decoder.Invoke(new ArraySegment<byte>(data), TTexture.Width, TTexture.Height, out byte[] decompressedData);
+		int bytesRead = decoder.Invoke(new ReadOnlySpan<byte>(data), TTexture.Width, TTexture.Height, out byte[] decompressedData);
 		if (!TTexture.Mips)
 		{
 			Assert.That(bytesRead, Is.EqualTo(data.Length));
@@ -88,12 +88,12 @@ public sealed class EtcTests
 		byte[] comparisonData = AndroidTextures.Logo_00.Data;
 
 		//Remove unused color channels
-		if (typeof(TColor) != typeof(ColorBGRA32) && typeof(TColor) != typeof(ColorRGBA<byte>))
+		if (typeof(TColor) != typeof(ColorBGRA<byte>) && typeof(TColor) != typeof(ColorRGBA<byte>))
 		{
-			Span<ColorBGRA32> pixels = MemoryMarshal.Cast<byte, ColorBGRA32>((Span<byte>)comparisonData);
+			Span<ColorBGRA<byte>> pixels = MemoryMarshal.Cast<byte, ColorBGRA<byte>>((Span<byte>)comparisonData);
 			for (int i = 0; i < pixels.Length; i++)
 			{
-				pixels[i] = pixels[i].Convert<ColorBGRA32, byte, TColor, byte>().Convert<TColor, byte, ColorBGRA32, byte>();
+				pixels[i] = pixels[i].Convert<ColorBGRA<byte>, byte, TColor, byte>().Convert<TColor, byte, ColorBGRA<byte>, byte>();
 			}
 		}
 

AssetRipper.TextureDecoder.Tests/Formats/ColorARGB16Tests.g.cs

@@ -57,12 +57,12 @@ public partial class ColorARGB16Tests
 		var b = color.B;
 		var a = color.A;
 		color.R = MakeRandomValue();
-		Assert.Multiple(() =>
+		using (Assert.EnterMultipleScope())
 		{
 			Assert.That(color.G, Is.EqualTo(g));
 			Assert.That(color.B, Is.EqualTo(b));
 			Assert.That(color.A, Is.EqualTo(a));
-		});
+		};
 	}
 	
 	[Test]
@@ -73,12 +73,12 @@ public partial class ColorARGB16Tests
 		var b = color.B;
 		var a = color.A;
 		color.G = MakeRandomValue();
-		Assert.Multiple(() =>
+		using (Assert.EnterMultipleScope())
 		{
 			Assert.That(color.R, Is.EqualTo(r));
 			Assert.That(color.B, Is.EqualTo(b));
 			Assert.That(color.A, Is.EqualTo(a));
-		});
+		};
 	}
 	
 	[Test]
@@ -89,12 +89,12 @@ public partial class ColorARGB16Tests
 		var g = color.G;
 		var a = color.A;
 		color.B = MakeRandomValue();
-		Assert.Multiple(() =>
+		using (Assert.EnterMultipleScope())
 		{
 			Assert.That(color.R, Is.EqualTo(r));
 			Assert.That(color.G, Is.EqualTo(g));
 			Assert.That(color.A, Is.EqualTo(a));
-		});
+		};
 	}
 	
 	[Test]
@@ -105,12 +105,12 @@ public partial class ColorARGB16Tests
 		var g = color.G;
 		var b = color.B;
 		color.A = MakeRandomValue();
-		Assert.Multiple(() =>
+		using (Assert.EnterMultipleScope())
 		{
 			Assert.That(color.R, Is.EqualTo(r));
 			Assert.That(color.G, Is.EqualTo(g));
 			Assert.That(color.B, Is.EqualTo(b));
-		});
+		};
 	}
 	
 	[Test]
@@ -118,13 +118,13 @@ public partial class ColorARGB16Tests
 	{
 		var color = MakeRandomColor();
 		color.GetChannels(out var r, out var g, out var b, out var a);
-		Assert.Multiple(() =>
+		using (Assert.EnterMultipleScope())
 		{
 			Assert.That(color.R, Is.EqualTo(r));
 			Assert.That(color.G, Is.EqualTo(g));
 			Assert.That(color.B, Is.EqualTo(b));
 			Assert.That(color.A, Is.EqualTo(a));
-		});
+		};
 	}
 
 	[Test]
@@ -133,31 +133,19 @@ public partial class ColorARGB16Tests
 		var color = MakeRandomColor();
 		color.GetChannels(out var r, out var g, out var b, out var a);
 		color.SetChannels(r, g, b, a);
-		Assert.Multiple(() =>
+		using (Assert.EnterMultipleScope())
 		{
 			Assert.That(color.R, Is.EqualTo(r));
 			Assert.That(color.G, Is.EqualTo(g));
 			Assert.That(color.B, Is.EqualTo(b));
 			Assert.That(color.A, Is.EqualTo(a));
-		});
+		};
 	}
 
 	public static ColorARGB16 MakeRandomColor() => ColorRandom<ColorARGB16, byte>.MakeRandomColor();
 
 	public static byte MakeRandomValue() => ColorRandom<ColorARGB16, byte>.MakeRandomValue();
 
-	[Test]
-	public void ConversionIsLosslessToColorARGB32()
-	{
-		LosslessConversion.Assert<ColorARGB16, byte, ColorARGB32, byte>();
-	}
-
-	[Test]
-	public void ConversionIsLosslessToColorBGRA32()
-	{
-		LosslessConversion.Assert<ColorARGB16, byte, ColorBGRA32, byte>();
-	}
-
 	[Test]
 	public void ConversionIsLosslessToColorRGBA_sbyte()
 	{

AssetRipper.TextureDecoder.Tests/Formats/ColorARGB32Tests.g.cs

@@ -1,232 +0,0 @@
-// Auto-generated code. Do not modify manually.
-
-using AssetRipper.TextureDecoder.Rgb.Formats;
-using System.Runtime.CompilerServices;
-
-namespace AssetRipper.TextureDecoder.Tests.Formats;
-
-public partial class ColorARGB32Tests
-{
-	[Test]
-	public void CorrectSizeTest()
-	{
-		Assert.That(Unsafe.SizeOf<ColorARGB32>(), Is.EqualTo(4));
-	}
-
-	[Test]
-	public void PropertyIsSymmetric_R()
-	{
-		var color = MakeRandomColor();
-		var r = color.R;
-		color.R = r;
-		Assert.That(color.R, Is.EqualTo(r));
-	}
-	
-	[Test]
-	public void PropertyIsSymmetric_G()
-	{
-		var color = MakeRandomColor();
-		var g = color.G;
-		color.G = g;
-		Assert.That(color.G, Is.EqualTo(g));
-	}
-	
-	[Test]
-	public void PropertyIsSymmetric_B()
-	{
-		var color = MakeRandomColor();
-		var b = color.B;
-		color.B = b;
-		Assert.That(color.B, Is.EqualTo(b));
-	}
-	
-	[Test]
-	public void PropertyIsSymmetric_A()
-	{
-		var color = MakeRandomColor();
-		var a = color.A;
-		color.A = a;
-		Assert.That(color.A, Is.EqualTo(a));
-	}
-	
-	[Test]
-	public void ChannelsAreIndependent_R()
-	{
-		var color = MakeRandomColor();
-		var g = color.G;
-		var b = color.B;
-		var a = color.A;
-		color.R = MakeRandomValue();
-		Assert.Multiple(() =>
-		{
-			Assert.That(color.G, Is.EqualTo(g));
-			Assert.That(color.B, Is.EqualTo(b));
-			Assert.That(color.A, Is.EqualTo(a));
-		});
-	}
-	
-	[Test]
-	public void ChannelsAreIndependent_G()
-	{
-		var color = MakeRandomColor();
-		var r = color.R;
-		var b = color.B;
-		var a = color.A;
-		color.G = MakeRandomValue();
-		Assert.Multiple(() =>
-		{
-			Assert.That(color.R, Is.EqualTo(r));
-			Assert.That(color.B, Is.EqualTo(b));
-			Assert.That(color.A, Is.EqualTo(a));
-		});
-	}
-	
-	[Test]
-	public void ChannelsAreIndependent_B()
-	{
-		var color = MakeRandomColor();
-		var r = color.R;
-		var g = color.G;
-		var a = color.A;
-		color.B = MakeRandomValue();
-		Assert.Multiple(() =>
-		{
-			Assert.That(color.R, Is.EqualTo(r));
-			Assert.That(color.G, Is.EqualTo(g));
-			Assert.That(color.A, Is.EqualTo(a));
-		});
-	}
-	
-	[Test]
-	public void ChannelsAreIndependent_A()
-	{
-		var color = MakeRandomColor();
-		var r = color.R;
-		var g = color.G;
-		var b = color.B;
-		color.A = MakeRandomValue();
-		Assert.Multiple(() =>
-		{
-			Assert.That(color.R, Is.EqualTo(r));
-			Assert.That(color.G, Is.EqualTo(g));
-			Assert.That(color.B, Is.EqualTo(b));
-		});
-	}
-	
-	[Test]
-	public void GetMethodMatchesProperties()
-	{
-		var color = MakeRandomColor();
-		color.GetChannels(out var r, out var g, out var b, out var a);
-		Assert.Multiple(() =>
-		{
-			Assert.That(color.R, Is.EqualTo(r));
-			Assert.That(color.G, Is.EqualTo(g));
-			Assert.That(color.B, Is.EqualTo(b));
-			Assert.That(color.A, Is.EqualTo(a));
-		});
-	}
-
-	[Test]
-	public void MethodsAreSymmetric()
-	{
-		var color = MakeRandomColor();
-		color.GetChannels(out var r, out var g, out var b, out var a);
-		color.SetChannels(r, g, b, a);
-		Assert.Multiple(() =>
-		{
-			Assert.That(color.R, Is.EqualTo(r));
-			Assert.That(color.G, Is.EqualTo(g));
-			Assert.That(color.B, Is.EqualTo(b));
-			Assert.That(color.A, Is.EqualTo(a));
-		});
-	}
-
-	public static ColorARGB32 MakeRandomColor() => ColorRandom<ColorARGB32, byte>.MakeRandomColor();
-
-	public static byte MakeRandomValue() => ColorRandom<ColorARGB32, byte>.MakeRandomValue();
-
-	[Test]
-	public void ConversionIsLosslessToColorARGB32()
-	{
-		LosslessConversion.Assert<ColorARGB32, byte, ColorARGB32, byte>();
-	}
-
-	[Test]
-	public void ConversionIsLosslessToColorBGRA32()
-	{
-		LosslessConversion.Assert<ColorARGB32, byte, ColorBGRA32, byte>();
-	}
-
-	[Test]
-	public void ConversionIsLosslessToColorRGBA_sbyte()
-	{
-		LosslessConversion.Assert<ColorARGB32, byte, ColorRGBA<sbyte>, sbyte>();
-	}
-
-	[Test]
-	public void ConversionIsLosslessToColorRGBA_byte()
-	{
-		LosslessConversion.Assert<ColorARGB32, byte, ColorRGBA<byte>, byte>();
-	}
-
-	[Test]
-	public void ConversionIsLosslessToColorRGBA_short()
-	{
-		LosslessConversion.Assert<ColorARGB32, byte, ColorRGBA<short>, short>();
-	}
-
-	[Test]
-	public void ConversionIsLosslessToColorRGBA_ushort()
-	{
-		LosslessConversion.Assert<ColorARGB32, byte, ColorRGBA<ushort>, ushort>();
-	}
-
-	[Test]
-	public void ConversionIsLosslessToColorRGBA_int()
-	{
-		LosslessConversion.Assert<ColorARGB32, byte, ColorRGBA<int>, int>();
-	}
-
-	[Test]
-	public void ConversionIsLosslessToColorRGBA_uint()
-	{
-		LosslessConversion.Assert<ColorARGB32, byte, ColorRGBA<uint>, uint>();
-	}
-
-	[Test]
-	public void ConversionIsLosslessToColorRGBA_nint()
-	{
-		LosslessConversion.Assert<ColorARGB32, byte, ColorRGBA<nint>, nint>();
-	}
-
-	[Test]
-	public void ConversionIsLosslessToColorRGBA_nuint()
-	{
-		LosslessConversion.Assert<ColorARGB32, byte, ColorRGBA<nuint>, nuint>();
-	}
-
-	[Test]
-	public void ConversionIsLosslessToColorRGBA_long()
-	{
-		LosslessConversion.Assert<ColorARGB32, byte, ColorRGBA<long>, long>();
-	}
-
-	[Test]
-	public void ConversionIsLosslessToColorRGBA_ulong()
-	{
-		LosslessConversion.Assert<ColorARGB32, byte, ColorRGBA<ulong>, ulong>();
-	}
-
-	[Test]
-	public void ConversionIsLosslessToColorRGBA_Int128()
-	{
-		LosslessConversion.Assert<ColorARGB32, byte, ColorRGBA<Int128>, Int128>();
-	}
-
-	[Test]
-	public void ConversionIsLosslessToColorRGBA_UInt128()
-	{
-		LosslessConversion.Assert<ColorARGB32, byte, ColorRGBA<UInt128>, UInt128>();
-	}
-}

AssetRipper.TextureDecoder.Tests/Formats/ColorBGRA32Tests.g.cs

@@ -1,232 +0,0 @@
-// Auto-generated code. Do not modify manually.
-
-using AssetRipper.TextureDecoder.Rgb.Formats;
-using System.Runtime.CompilerServices;
-
-namespace AssetRipper.TextureDecoder.Tests.Formats;
-
-public partial class ColorBGRA32Tests
-{
-	[Test]
-	public void CorrectSizeTest()
-	{
-		Assert.That(Unsafe.SizeOf<ColorBGRA32>(), Is.EqualTo(4));
-	}
-
-	[Test]
-	public void PropertyIsSymmetric_R()
-	{
-		var color = MakeRandomColor();
-		var r = color.R;
-		color.R = r;
-		Assert.That(color.R, Is.EqualTo(r));
-	}
-	
-	[Test]
-	public void PropertyIsSymmetric_G()
-	{
-		var color = MakeRandomColor();
-		var g = color.G;
-		color.G = g;
-		Assert.That(color.G, Is.EqualTo(g));
-	}
-	
-	[Test]
-	public void PropertyIsSymmetric_B()
-	{
-		var color = MakeRandomColor();
-		var b = color.B;
-		color.B = b;
-		Assert.That(color.B, Is.EqualTo(b));
-	}
-	
-	[Test]
-	public void PropertyIsSymmetric_A()
-	{
-		var color = MakeRandomColor();
-		var a = color.A;
-		color.A = a;
-		Assert.That(color.A, Is.EqualTo(a));
-	}
-	
-	[Test]
-	public void ChannelsAreIndependent_R()
-	{
-		var color = MakeRandomColor();
-		var g = color.G;
-		var b = color.B;
-		var a = color.A;
-		color.R = MakeRandomValue();
-		Assert.Multiple(() =>
-		{
-			Assert.That(color.G, Is.EqualTo(g));
-			Assert.That(color.B, Is.EqualTo(b));
-			Assert.That(color.A, Is.EqualTo(a));
-		});
-	}
-	
-	[Test]
-	public void ChannelsAreIndependent_G()
-	{
-		var color = MakeRandomColor();
-		var r = color.R;
-		var b = color.B;
-		var a = color.A;
-		color.G = MakeRandomValue();
-		Assert.Multiple(() =>
-		{
-			Assert.That(color.R, Is.EqualTo(r));
-			Assert.That(color.B, Is.EqualTo(b));
-			Assert.That(color.A, Is.EqualTo(a));
-		});
-	}
-	
-	[Test]
-	public void ChannelsAreIndependent_B()
-	{
-		var color = MakeRandomColor();
-		var r = color.R;
-		var g = color.G;
-		var a = color.A;
-		color.B = MakeRandomValue();
-		Assert.Multiple(() =>
-		{
-			Assert.That(color.R, Is.EqualTo(r));
-			Assert.That(color.G, Is.EqualTo(g));
-			Assert.That(color.A, Is.EqualTo(a));
-		});
-	}
-	
-	[Test]
-	public void ChannelsAreIndependent_A()
-	{
-		var color = MakeRandomColor();
-		var r = color.R;
-		var g = color.G;
-		var b = color.B;
-		color.A = MakeRandomValue();
-		Assert.Multiple(() =>
-		{
-			Assert.That(color.R, Is.EqualTo(r));
-			Assert.That(color.G, Is.EqualTo(g));
-			Assert.That(color.B, Is.EqualTo(b));
-		});
-	}
-	
-	[Test]
-	public void GetMethodMatchesProperties()
-	{
-		var color = MakeRandomColor();
-		color.GetChannels(out var r, out var g, out var b, out var a);
-		Assert.Multiple(() =>
-		{
-			Assert.That(color.R, Is.EqualTo(r));
-			Assert.That(color.G, Is.EqualTo(g));
-			Assert.That(color.B, Is.EqualTo(b));
-			Assert.That(color.A, Is.EqualTo(a));
-		});
-	}
-
-	[Test]
-	public void MethodsAreSymmetric()
-	{
-		var color = MakeRandomColor();
-		color.GetChannels(out var r, out var g, out var b, out var a);
-		color.SetChannels(r, g, b, a);
-		Assert.Multiple(() =>
-		{
-			Assert.That(color.R, Is.EqualTo(r));
-			Assert.That(color.G, Is.EqualTo(g));
-			Assert.That(color.B, Is.EqualTo(b));
-			Assert.That(color.A, Is.EqualTo(a));
-		});
-	}
-
-	public static ColorBGRA32 MakeRandomColor() => ColorRandom<ColorBGRA32, byte>.MakeRandomColor();
-
-	public static byte MakeRandomValue() => ColorRandom<ColorBGRA32, byte>.MakeRandomValue();
-
-	[Test]
-	public void ConversionIsLosslessToColorARGB32()
-	{
-		LosslessConversion.Assert<ColorBGRA32, byte, ColorARGB32, byte>();
-	}
-
-	[Test]
-	public void ConversionIsLosslessToColorBGRA32()
-	{
-		LosslessConversion.Assert<ColorBGRA32, byte, ColorBGRA32, byte>();
-	}
-
-	[Test]
-	public void ConversionIsLosslessToColorRGBA_sbyte()
-	{
-		LosslessConversion.Assert<ColorBGRA32, byte, ColorRGBA<sbyte>, sbyte>();
-	}
-
-	[Test]
-	public void ConversionIsLosslessToColorRGBA_byte()
-	{
-		LosslessConversion.Assert<ColorBGRA32, byte, ColorRGBA<byte>, byte>();
-	}
-
-	[Test]
-	public void ConversionIsLosslessToColorRGBA_short()
-	{
-		LosslessConversion.Assert<ColorBGRA32, byte, ColorRGBA<short>, short>();
-	}
-
-	[Test]
-	public void ConversionIsLosslessToColorRGBA_ushort()
-	{
-		LosslessConversion.Assert<ColorBGRA32, byte, ColorRGBA<ushort>, ushort>();
-	}
-
-	[Test]
-	public void ConversionIsLosslessToColorRGBA_int()
-	{
-		LosslessConversion.Assert<ColorBGRA32, byte, ColorRGBA<int>, int>();
-	}
-
-	[Test]
-	public void ConversionIsLosslessToColorRGBA_uint()
-	{
-		LosslessConversion.Assert<ColorBGRA32, byte, ColorRGBA<uint>, uint>();
-	}
-
-	[Test]
-	public void ConversionIsLosslessToColorRGBA_nint()
-	{
-		LosslessConversion.Assert<ColorBGRA32, byte, ColorRGBA<nint>, nint>();
-	}
-
-	[Test]
-	public void ConversionIsLosslessToColorRGBA_nuint()
-	{
-		LosslessConversion.Assert<ColorBGRA32, byte, ColorRGBA<nuint>, nuint>();
-	}
-
-	[Test]
-	public void ConversionIsLosslessToColorRGBA_long()
-	{
-		LosslessConversion.Assert<ColorBGRA32, byte, ColorRGBA<long>, long>();
-	}
-
-	[Test]
-	public void ConversionIsLosslessToColorRGBA_ulong()
-	{
-		LosslessConversion.Assert<ColorBGRA32, byte, ColorRGBA<ulong>, ulong>();
-	}
-
-	[Test]
-	public void ConversionIsLosslessToColorRGBA_Int128()
-	{
-		LosslessConversion.Assert<ColorBGRA32, byte, ColorRGBA<Int128>, Int128>();
-	}
-
-	[Test]
-	public void ConversionIsLosslessToColorRGBA_UInt128()
-	{
-		LosslessConversion.Assert<ColorBGRA32, byte, ColorRGBA<UInt128>, UInt128>();
-	}
-}

AssetRipper.TextureDecoder.Tests/Formats/ColorRGB16Tests.g.cs

@@ -57,12 +57,12 @@ public partial class ColorRGB16Tests
 		var b = color.B;
 		var a = color.A;
 		color.R = MakeRandomValue();
-		Assert.Multiple(() =>
+		using (Assert.EnterMultipleScope())
 		{
 			Assert.That(color.G, Is.EqualTo(g));
 			Assert.That(color.B, Is.EqualTo(b));
 			Assert.That(color.A, Is.EqualTo(a));
-		});
+		};
 	}
 	
 	[Test]
@@ -73,12 +73,12 @@ public partial class ColorRGB16Tests
 		var b = color.B;
 		var a = color.A;
 		color.G = MakeRandomValue();
-		Assert.Multiple(() =>
+		using (Assert.EnterMultipleScope())
 		{
 			Assert.That(color.R, Is.EqualTo(r));
 			Assert.That(color.B, Is.EqualTo(b));
 			Assert.That(color.A, Is.EqualTo(a));
-		});
+		};
 	}
 	
 	[Test]
@@ -89,12 +89,12 @@ public partial class ColorRGB16Tests
 		var g = color.G;
 		var a = color.A;
 		color.B = MakeRandomValue();
-		Assert.Multiple(() =>
+		using (Assert.EnterMultipleScope())
 		{
 			Assert.That(color.R, Is.EqualTo(r));
 			Assert.That(color.G, Is.EqualTo(g));
 			Assert.That(color.A, Is.EqualTo(a));
-		});
+		};
 	}
 	
 	[Test]
@@ -105,12 +105,12 @@ public partial class ColorRGB16Tests
 		var g = color.G;
 		var b = color.B;
 		color.A = MakeRandomValue();
-		Assert.Multiple(() =>
+		using (Assert.EnterMultipleScope())
 		{
 			Assert.That(color.R, Is.EqualTo(r));
 			Assert.That(color.G, Is.EqualTo(g));
 			Assert.That(color.B, Is.EqualTo(b));
-		});
+		};
 	}
 	
 	[Test]
@@ -118,13 +118,13 @@ public partial class ColorRGB16Tests
 	{
 		var color = MakeRandomColor();
 		color.GetChannels(out var r, out var g, out var b, out var a);
-		Assert.Multiple(() =>
+		using (Assert.EnterMultipleScope())
 		{
 			Assert.That(color.R, Is.EqualTo(r));
 			Assert.That(color.G, Is.EqualTo(g));
 			Assert.That(color.B, Is.EqualTo(b));
 			Assert.That(color.A, Is.EqualTo(a));
-		});
+		};
 	}
 
 	[Test]
@@ -133,31 +133,19 @@ public partial class ColorRGB16Tests
 		var color = MakeRandomColor();
 		color.GetChannels(out var r, out var g, out var b, out var a);
 		color.SetChannels(r, g, b, a);
-		Assert.Multiple(() =>
+		using (Assert.EnterMultipleScope())
 		{
 			Assert.That(color.R, Is.EqualTo(r));
 			Assert.That(color.G, Is.EqualTo(g));
 			Assert.That(color.B, Is.EqualTo(b));
 			Assert.That(color.A, Is.EqualTo(a));
-		});
+		};
 	}
 
 	public static ColorRGB16 MakeRandomColor() => ColorRandom<ColorRGB16, byte>.MakeRandomColor();
 
 	public static byte MakeRandomValue() => ColorRandom<ColorRGB16, byte>.MakeRandomValue();
 
-	[Test]
-	public void ConversionIsLosslessToColorARGB32()
-	{
-		LosslessConversion.Assert<ColorRGB16, byte, ColorARGB32, byte>();
-	}
-
-	[Test]
-	public void ConversionIsLosslessToColorBGRA32()
-	{
-		LosslessConversion.Assert<ColorRGB16, byte, ColorBGRA32, byte>();
-	}
-
 	[Test]
 	public void ConversionIsLosslessToColorRGBA_sbyte()
 	{

AssetRipper.TextureDecoder.Tests/Formats/ColorRGB9e5Tests.g.cs

@@ -18,13 +18,13 @@ public partial class ColorRGB9e5Tests
 	{
 		var color = MakeRandomColor();
 		color.GetChannels(out var r, out var g, out var b, out var a);
-		Assert.Multiple(() =>
+		using (Assert.EnterMultipleScope())
 		{
 			Assert.That(color.R, Is.EqualTo(r));
 			Assert.That(color.G, Is.EqualTo(g));
 			Assert.That(color.B, Is.EqualTo(b));
 			Assert.That(color.A, Is.EqualTo(a));
-		});
+		};
 	}
 
 	[Test]
@@ -33,13 +33,13 @@ public partial class ColorRGB9e5Tests
 		var color = MakeRandomColor();
 		color.GetChannels(out var r, out var g, out var b, out var a);
 		color.SetChannels(r, g, b, a);
-		Assert.Multiple(() =>
+		using (Assert.EnterMultipleScope())
 		{
 			Assert.That(color.R, Is.EqualTo(r));
 			Assert.That(color.G, Is.EqualTo(g));
 			Assert.That(color.B, Is.EqualTo(b));
 			Assert.That(color.A, Is.EqualTo(a));
-		});
+		};
 	}
 
 	public static ColorRGB9e5 MakeRandomColor() => ColorRandom<ColorRGB9e5, double>.MakeRandomColor();

AssetRipper.TextureDecoder.Tests/Formats/ColorRGBA16Tests.g.cs

@@ -57,12 +57,12 @@ public partial class ColorRGBA16Tests
 		var b = color.B;
 		var a = color.A;
 		color.R = MakeRandomValue();
-		Assert.Multiple(() =>
+		using (Assert.EnterMultipleScope())
 		{
 			Assert.That(color.G, Is.EqualTo(g));
 			Assert.That(color.B, Is.EqualTo(b));
 			Assert.That(color.A, Is.EqualTo(a));
-		});
+		};
 	}
 	
 	[Test]
@@ -73,12 +73,12 @@ public partial class ColorRGBA16Tests
 		var b = color.B;
 		var a = color.A;
 		color.G = MakeRandomValue();
-		Assert.Multiple(() =>
+		using (Assert.EnterMultipleScope())
 		{
 			Assert.That(color.R, Is.EqualTo(r));
 			Assert.That(color.B, Is.EqualTo(b));
 			Assert.That(color.A, Is.EqualTo(a));
-		});
+		};
 	}
 	
 	[Test]
@@ -89,12 +89,12 @@ public partial class ColorRGBA16Tests
 		var g = color.G;
 		var a = color.A;
 		color.B = MakeRandomValue();
-		Assert.Multiple(() =>
+		using (Assert.EnterMultipleScope())
 		{
 			Assert.That(color.R, Is.EqualTo(r));
 			Assert.That(color.G, Is.EqualTo(g));
 			Assert.That(color.A, Is.EqualTo(a));
-		});
+		};
 	}
 	
 	[Test]
@@ -105,12 +105,12 @@ public partial class ColorRGBA16Tests
 		var g = color.G;
 		var b = color.B;
 		color.A = MakeRandomValue();
-		Assert.Multiple(() =>
+		using (Assert.EnterMultipleScope())
 		{
 			Assert.That(color.R, Is.EqualTo(r));
 			Assert.That(color.G, Is.EqualTo(g));
 			Assert.That(color.B, Is.EqualTo(b));
-		});
+		};
 	}
 	
 	[Test]
@@ -118,13 +118,13 @@ public partial class ColorRGBA16Tests
 	{
 		var color = MakeRandomColor();
 		color.GetChannels(out var r, out var g, out var b, out var a);
-		Assert.Multiple(() =>
+		using (Assert.EnterMultipleScope())
 		{
 			Assert.That(color.R, Is.EqualTo(r));
 			Assert.That(color.G, Is.EqualTo(g));
 			Assert.That(color.B, Is.EqualTo(b));
 			Assert.That(color.A, Is.EqualTo(a));
-		});
+		};
 	}
 
 	[Test]
@@ -133,31 +133,19 @@ public partial class ColorRGBA16Tests
 		var color = MakeRandomColor();
 		color.GetChannels(out var r, out var g, out var b, out var a);
 		color.SetChannels(r, g, b, a);
-		Assert.Multiple(() =>
+		using (Assert.EnterMultipleScope())
 		{
 			Assert.That(color.R, Is.EqualTo(r));
 			Assert.That(color.G, Is.EqualTo(g));
 			Assert.That(color.B, Is.EqualTo(b));
 			Assert.That(color.A, Is.EqualTo(a));
-		});
+		};
 	}
 
 	public static ColorRGBA16 MakeRandomColor() => ColorRandom<ColorRGBA16, byte>.MakeRandomColor();
 
 	public static byte MakeRandomValue() => ColorRandom<ColorRGBA16, byte>.MakeRandomValue();
 
-	[Test]
-	public void ConversionIsLosslessToColorARGB32()
-	{
-		LosslessConversion.Assert<ColorRGBA16, byte, ColorARGB32, byte>();
-	}
-
-	[Test]
-	public void ConversionIsLosslessToColorBGRA32()
-	{
-		LosslessConversion.Assert<ColorRGBA16, byte, ColorBGRA32, byte>();
-	}
-
 	[Test]
 	public void ConversionIsLosslessToColorRGBA_sbyte()
 	{

AssetRipper.TextureDecoder.Tests/Formats/Generic/GenericColorTests.cs

@@ -55,12 +55,12 @@ internal partial class GenericColorTests<TColor, TChannelValue> where TColor : u
 		TChannelValue b = color.B;
 		TChannelValue a = color.A;
 		color.R = MakeRandomValue();
-		Assert.Multiple(() =>
+		using (Assert.EnterMultipleScope())
 		{
 			Assert.That(color.G, Is.EqualTo(g));
 			Assert.That(color.B, Is.EqualTo(b));
 			Assert.That(color.A, Is.EqualTo(a));
-		});
+		}
 	}
 
 	[Test]
@@ -71,12 +71,12 @@ internal partial class GenericColorTests<TColor, TChannelValue> where TColor : u
 		TChannelValue b = color.B;
 		TChannelValue a = color.A;
 		color.G = MakeRandomValue();
-		Assert.Multiple(() =>
+		using (Assert.EnterMultipleScope())
 		{
 			Assert.That(color.R, Is.EqualTo(r));
 			Assert.That(color.B, Is.EqualTo(b));
 			Assert.That(color.A, Is.EqualTo(a));
-		});
+		}
 	}
 
 	[Test]
@@ -87,12 +87,12 @@ internal partial class GenericColorTests<TColor, TChannelValue> where TColor : u
 		TChannelValue g = color.G;
 		TChannelValue a = color.A;
 		color.B = MakeRandomValue();
-		Assert.Multiple(() =>
+		using (Assert.EnterMultipleScope())
 		{
 			Assert.That(color.R, Is.EqualTo(r));
 			Assert.That(color.G, Is.EqualTo(g));
 			Assert.That(color.A, Is.EqualTo(a));
-		});
+		}
 	}
 
 	[Test]
@@ -103,12 +103,12 @@ internal partial class GenericColorTests<TColor, TChannelValue> where TColor : u
 		TChannelValue g = color.G;
 		TChannelValue b = color.B;
 		color.A = MakeRandomValue();
-		Assert.Multiple(() =>
+		using (Assert.EnterMultipleScope())
 		{
 			Assert.That(color.R, Is.EqualTo(r));
 			Assert.That(color.G, Is.EqualTo(g));
 			Assert.That(color.B, Is.EqualTo(b));
-		});
+		}
 	}
 
 	[Test]
@@ -116,13 +116,13 @@ internal partial class GenericColorTests<TColor, TChannelValue> where TColor : u
 	{
 		TColor color = MakeRandomColor();
 		color.GetChannels(out TChannelValue r, out TChannelValue g, out TChannelValue b, out TChannelValue a);
-		Assert.Multiple(() =>
+		using (Assert.EnterMultipleScope())
 		{
 			Assert.That(color.R, Is.EqualTo(r));
 			Assert.That(color.G, Is.EqualTo(g));
 			Assert.That(color.B, Is.EqualTo(b));
 			Assert.That(color.A, Is.EqualTo(a));
-		});
+		}
 	}
 
 	[Test]
@@ -131,13 +131,13 @@ internal partial class GenericColorTests<TColor, TChannelValue> where TColor : u
 		TColor color = MakeRandomColor();
 		color.GetChannels(out TChannelValue r, out TChannelValue g, out TChannelValue b, out TChannelValue a);
 		color.SetChannels(r, g, b, a);
-		Assert.Multiple(() =>
+		using (Assert.EnterMultipleScope())
 		{
 			Assert.That(color.R, Is.EqualTo(r));
 			Assert.That(color.G, Is.EqualTo(g));
 			Assert.That(color.B, Is.EqualTo(b));
 			Assert.That(color.A, Is.EqualTo(a));
-		});
+		}
 	}
 
 	private static TChannelValue MakeRandomValue() => ColorRandom<TColor, TChannelValue>.MakeRandomValue();

AssetRipper.TextureDecoder.Tests/Formats/Generic/GenericColorTests.g.cs

@@ -8,86 +8,120 @@ namespace AssetRipper.TextureDecoder.Tests.Formats.Generic;
 [TestFixture(TypeArgs = new Type[] { typeof(ColorRGB<sbyte>), typeof(sbyte) })]
 [TestFixture(TypeArgs = new Type[] { typeof(ColorRGBA<sbyte>), typeof(sbyte) })]
 [TestFixture(TypeArgs = new Type[] { typeof(ColorA<sbyte>), typeof(sbyte) })]
+[TestFixture(TypeArgs = new Type[] { typeof(ColorARGB<sbyte>), typeof(sbyte) })]
+[TestFixture(TypeArgs = new Type[] { typeof(ColorBGRA<sbyte>), typeof(sbyte) })]
 [TestFixture(TypeArgs = new Type[] { typeof(ColorR<byte>), typeof(byte) })]
 [TestFixture(TypeArgs = new Type[] { typeof(ColorRG<byte>), typeof(byte) })]
 [TestFixture(TypeArgs = new Type[] { typeof(ColorRGB<byte>), typeof(byte) })]
 [TestFixture(TypeArgs = new Type[] { typeof(ColorRGBA<byte>), typeof(byte) })]
 [TestFixture(TypeArgs = new Type[] { typeof(ColorA<byte>), typeof(byte) })]
+[TestFixture(TypeArgs = new Type[] { typeof(ColorARGB<byte>), typeof(byte) })]
+[TestFixture(TypeArgs = new Type[] { typeof(ColorBGRA<byte>), typeof(byte) })]
 [TestFixture(TypeArgs = new Type[] { typeof(ColorR<short>), typeof(short) })]
 [TestFixture(TypeArgs = new Type[] { typeof(ColorRG<short>), typeof(short) })]
 [TestFixture(TypeArgs = new Type[] { typeof(ColorRGB<short>), typeof(short) })]
 [TestFixture(TypeArgs = new Type[] { typeof(ColorRGBA<short>), typeof(short) })]
 [TestFixture(TypeArgs = new Type[] { typeof(ColorA<short>), typeof(short) })]
+[TestFixture(TypeArgs = new Type[] { typeof(ColorARGB<short>), typeof(short) })]
+[TestFixture(TypeArgs = new Type[] { typeof(ColorBGRA<short>), typeof(short) })]
 [TestFixture(TypeArgs = new Type[] { typeof(ColorR<ushort>), typeof(ushort) })]
 [TestFixture(TypeArgs = new Type[] { typeof(ColorRG<ushort>), typeof(ushort) })]
 [TestFixture(TypeArgs = new Type[] { typeof(ColorRGB<ushort>), typeof(ushort) })]
 [TestFixture(TypeArgs = new Type[] { typeof(ColorRGBA<ushort>), typeof(ushort) })]
 [TestFixture(TypeArgs = new Type[] { typeof(ColorA<ushort>), typeof(ushort) })]
+[TestFixture(TypeArgs = new Type[] { typeof(ColorARGB<ushort>), typeof(ushort) })]
+[TestFixture(TypeArgs = new Type[] { typeof(ColorBGRA<ushort>), typeof(ushort) })]
 [TestFixture(TypeArgs = new Type[] { typeof(ColorR<int>), typeof(int) })]
 [TestFixture(TypeArgs = new Type[] { typeof(ColorRG<int>), typeof(int) })]
 [TestFixture(TypeArgs = new Type[] { typeof(ColorRGB<int>), typeof(int) })]
 [TestFixture(TypeArgs = new Type[] { typeof(ColorRGBA<int>), typeof(int) })]
 [TestFixture(TypeArgs = new Type[] { typeof(ColorA<int>), typeof(int) })]
+[TestFixture(TypeArgs = new Type[] { typeof(ColorARGB<int>), typeof(int) })]
+[TestFixture(TypeArgs = new Type[] { typeof(ColorBGRA<int>), typeof(int) })]
 [TestFixture(TypeArgs = new Type[] { typeof(ColorR<uint>), typeof(uint) })]
 [TestFixture(TypeArgs = new Type[] { typeof(ColorRG<uint>), typeof(uint) })]
 [TestFixture(TypeArgs = new Type[] { typeof(ColorRGB<uint>), typeof(uint) })]
 [TestFixture(TypeArgs = new Type[] { typeof(ColorRGBA<uint>), typeof(uint) })]
 [TestFixture(TypeArgs = new Type[] { typeof(ColorA<uint>), typeof(uint) })]
+[TestFixture(TypeArgs = new Type[] { typeof(ColorARGB<uint>), typeof(uint) })]
+[TestFixture(TypeArgs = new Type[] { typeof(ColorBGRA<uint>), typeof(uint) })]
 [TestFixture(TypeArgs = new Type[] { typeof(ColorR<nint>), typeof(nint) })]
 [TestFixture(TypeArgs = new Type[] { typeof(ColorRG<nint>), typeof(nint) })]
 [TestFixture(TypeArgs = new Type[] { typeof(ColorRGB<nint>), typeof(nint) })]
 [TestFixture(TypeArgs = new Type[] { typeof(ColorRGBA<nint>), typeof(nint) })]
 [TestFixture(TypeArgs = new Type[] { typeof(ColorA<nint>), typeof(nint) })]
+[TestFixture(TypeArgs = new Type[] { typeof(ColorARGB<nint>), typeof(nint) })]
+[TestFixture(TypeArgs = new Type[] { typeof(ColorBGRA<nint>), typeof(nint) })]
 [TestFixture(TypeArgs = new Type[] { typeof(ColorR<nuint>), typeof(nuint) })]
 [TestFixture(TypeArgs = new Type[] { typeof(ColorRG<nuint>), typeof(nuint) })]
 [TestFixture(TypeArgs = new Type[] { typeof(ColorRGB<nuint>), typeof(nuint) })]
 [TestFixture(TypeArgs = new Type[] { typeof(ColorRGBA<nuint>), typeof(nuint) })]
 [TestFixture(TypeArgs = new Type[] { typeof(ColorA<nuint>), typeof(nuint) })]
+[TestFixture(TypeArgs = new Type[] { typeof(ColorARGB<nuint>), typeof(nuint) })]
+[TestFixture(TypeArgs = new Type[] { typeof(ColorBGRA<nuint>), typeof(nuint) })]
 [TestFixture(TypeArgs = new Type[] { typeof(ColorR<long>), typeof(long) })]
 [TestFixture(TypeArgs = new Type[] { typeof(ColorRG<long>), typeof(long) })]
 [TestFixture(TypeArgs = new Type[] { typeof(ColorRGB<long>), typeof(long) })]
 [TestFixture(TypeArgs = new Type[] { typeof(ColorRGBA<long>), typeof(long) })]
 [TestFixture(TypeArgs = new Type[] { typeof(ColorA<long>), typeof(long) })]
+[TestFixture(TypeArgs = new Type[] { typeof(ColorARGB<long>), typeof(long) })]
+[TestFixture(TypeArgs = new Type[] { typeof(ColorBGRA<long>), typeof(long) })]
 [TestFixture(TypeArgs = new Type[] { typeof(ColorR<ulong>), typeof(ulong) })]
 [TestFixture(TypeArgs = new Type[] { typeof(ColorRG<ulong>), typeof(ulong) })]
 [TestFixture(TypeArgs = new Type[] { typeof(ColorRGB<ulong>), typeof(ulong) })]
 [TestFixture(TypeArgs = new Type[] { typeof(ColorRGBA<ulong>), typeof(ulong) })]
 [TestFixture(TypeArgs = new Type[] { typeof(ColorA<ulong>), typeof(ulong) })]
+[TestFixture(TypeArgs = new Type[] { typeof(ColorARGB<ulong>), typeof(ulong) })]
+[TestFixture(TypeArgs = new Type[] { typeof(ColorBGRA<ulong>), typeof(ulong) })]
 [TestFixture(TypeArgs = new Type[] { typeof(ColorR<Int128>), typeof(Int128) })]
 [TestFixture(TypeArgs = new Type[] { typeof(ColorRG<Int128>), typeof(Int128) })]
 [TestFixture(TypeArgs = new Type[] { typeof(ColorRGB<Int128>), typeof(Int128) })]
 [TestFixture(TypeArgs = new Type[] { typeof(ColorRGBA<Int128>), typeof(Int128) })]
 [TestFixture(TypeArgs = new Type[] { typeof(ColorA<Int128>), typeof(Int128) })]
+[TestFixture(TypeArgs = new Type[] { typeof(ColorARGB<Int128>), typeof(Int128) })]
+[TestFixture(TypeArgs = new Type[] { typeof(ColorBGRA<Int128>), typeof(Int128) })]
 [TestFixture(TypeArgs = new Type[] { typeof(ColorR<UInt128>), typeof(UInt128) })]
 [TestFixture(TypeArgs = new Type[] { typeof(ColorRG<UInt128>), typeof(UInt128) })]
 [TestFixture(TypeArgs = new Type[] { typeof(ColorRGB<UInt128>), typeof(UInt128) })]
 [TestFixture(TypeArgs = new Type[] { typeof(ColorRGBA<UInt128>), typeof(UInt128) })]
 [TestFixture(TypeArgs = new Type[] { typeof(ColorA<UInt128>), typeof(UInt128) })]
+[TestFixture(TypeArgs = new Type[] { typeof(ColorARGB<UInt128>), typeof(UInt128) })]
+[TestFixture(TypeArgs = new Type[] { typeof(ColorBGRA<UInt128>), typeof(UInt128) })]
 [TestFixture(TypeArgs = new Type[] { typeof(ColorR<Half>), typeof(Half) })]
 [TestFixture(TypeArgs = new Type[] { typeof(ColorRG<Half>), typeof(Half) })]
 [TestFixture(TypeArgs = new Type[] { typeof(ColorRGB<Half>), typeof(Half) })]
 [TestFixture(TypeArgs = new Type[] { typeof(ColorRGBA<Half>), typeof(Half) })]
 [TestFixture(TypeArgs = new Type[] { typeof(ColorA<Half>), typeof(Half) })]
+[TestFixture(TypeArgs = new Type[] { typeof(ColorARGB<Half>), typeof(Half) })]
+[TestFixture(TypeArgs = new Type[] { typeof(ColorBGRA<Half>), typeof(Half) })]
 [TestFixture(TypeArgs = new Type[] { typeof(ColorR<float>), typeof(float) })]
 [TestFixture(TypeArgs = new Type[] { typeof(ColorRG<float>), typeof(float) })]
 [TestFixture(TypeArgs = new Type[] { typeof(ColorRGB<float>), typeof(float) })]
 [TestFixture(TypeArgs = new Type[] { typeof(ColorRGBA<float>), typeof(float) })]
 [TestFixture(TypeArgs = new Type[] { typeof(ColorA<float>), typeof(float) })]
+[TestFixture(TypeArgs = new Type[] { typeof(ColorARGB<float>), typeof(float) })]
+[TestFixture(TypeArgs = new Type[] { typeof(ColorBGRA<float>), typeof(float) })]
 [TestFixture(TypeArgs = new Type[] { typeof(ColorR<NFloat>), typeof(NFloat) })]
 [TestFixture(TypeArgs = new Type[] { typeof(ColorRG<NFloat>), typeof(NFloat) })]
 [TestFixture(TypeArgs = new Type[] { typeof(ColorRGB<NFloat>), typeof(NFloat) })]
 [TestFixture(TypeArgs = new Type[] { typeof(ColorRGBA<NFloat>), typeof(NFloat) })]
 [TestFixture(TypeArgs = new Type[] { typeof(ColorA<NFloat>), typeof(NFloat) })]
+[TestFixture(TypeArgs = new Type[] { typeof(ColorARGB<NFloat>), typeof(NFloat) })]
+[TestFixture(TypeArgs = new Type[] { typeof(ColorBGRA<NFloat>), typeof(NFloat) })]
 [TestFixture(TypeArgs = new Type[] { typeof(ColorR<double>), typeof(double) })]
 [TestFixture(TypeArgs = new Type[] { typeof(ColorRG<double>), typeof(double) })]
 [TestFixture(TypeArgs = new Type[] { typeof(ColorRGB<double>), typeof(double) })]
 [TestFixture(TypeArgs = new Type[] { typeof(ColorRGBA<double>), typeof(double) })]
 [TestFixture(TypeArgs = new Type[] { typeof(ColorA<double>), typeof(double) })]
+[TestFixture(TypeArgs = new Type[] { typeof(ColorARGB<double>), typeof(double) })]
+[TestFixture(TypeArgs = new Type[] { typeof(ColorBGRA<double>), typeof(double) })]
 [TestFixture(TypeArgs = new Type[] { typeof(ColorR<decimal>), typeof(decimal) })]
 [TestFixture(TypeArgs = new Type[] { typeof(ColorRG<decimal>), typeof(decimal) })]
 [TestFixture(TypeArgs = new Type[] { typeof(ColorRGB<decimal>), typeof(decimal) })]
 [TestFixture(TypeArgs = new Type[] { typeof(ColorRGBA<decimal>), typeof(decimal) })]
 [TestFixture(TypeArgs = new Type[] { typeof(ColorA<decimal>), typeof(decimal) })]
+[TestFixture(TypeArgs = new Type[] { typeof(ColorARGB<decimal>), typeof(decimal) })]
+[TestFixture(TypeArgs = new Type[] { typeof(ColorBGRA<decimal>), typeof(decimal) })]
 partial class GenericColorTests<TColor, TChannelValue>
 {
 }

AssetRipper.TextureDecoder.Tests/Formats/Generic/NumericConversionExtremesTests.cs

@@ -9,26 +9,26 @@ namespace AssetRipper.TextureDecoder.Tests.Formats.Generic;
 [TestFixture(TypeArgs = [typeof(long), typeof(ulong)])]
 [TestFixture(TypeArgs = [typeof(Int128), typeof(UInt128)])]
 internal class NumericConversionExtremesTests<TSigned, TUnsigned>
-    where TSigned : unmanaged, IMinMaxValue<TSigned>
-    where TUnsigned : unmanaged, IMinMaxValue<TUnsigned>
+	where TSigned : unmanaged, IMinMaxValue<TSigned>
+	where TUnsigned : unmanaged, IMinMaxValue<TUnsigned>
 {
-    [Test]
-    public void SignedToUnsignedExtremesAreCorrect()
-    {
-        Assert.Multiple(() =>
-        {
-            Assert.That(NumericConversion.Convert<TSigned, TUnsigned>(TSigned.MinValue), Is.EqualTo(TUnsigned.MinValue));
-            Assert.That(NumericConversion.Convert<TSigned, TUnsigned>(TSigned.MaxValue), Is.EqualTo(TUnsigned.MaxValue));
-        });
-    }
+	[Test]
+	public void SignedToUnsignedExtremesAreCorrect()
+	{
+		using (Assert.EnterMultipleScope())
+		{
+			Assert.That(NumericConversion.Convert<TSigned, TUnsigned>(TSigned.MinValue), Is.EqualTo(TUnsigned.MinValue));
+			Assert.That(NumericConversion.Convert<TSigned, TUnsigned>(TSigned.MaxValue), Is.EqualTo(TUnsigned.MaxValue));
+		}
+	}
 
-    [Test]
-    public void UnsignedToSignedExtremesAreCorrect()
-    {
-        Assert.Multiple(() =>
-        {
-            Assert.That(NumericConversion.Convert<TUnsigned, TSigned>(TUnsigned.MinValue), Is.EqualTo(TSigned.MinValue));
-            Assert.That(NumericConversion.Convert<TUnsigned, TSigned>(TUnsigned.MaxValue), Is.EqualTo(TSigned.MaxValue));
-        });
-    }
+	[Test]
+	public void UnsignedToSignedExtremesAreCorrect()
+	{
+		using (Assert.EnterMultipleScope())
+		{
+			Assert.That(NumericConversion.Convert<TUnsigned, TSigned>(TUnsigned.MinValue), Is.EqualTo(TSigned.MinValue));
+			Assert.That(NumericConversion.Convert<TUnsigned, TSigned>(TUnsigned.MaxValue), Is.EqualTo(TSigned.MaxValue));
+		}
+	}
 }

AssetRipper.TextureDecoder.Tests/OldRgbConverter.cs

@@ -0,0 +1,512 @@
+using System.Buffers.Binary;
+using System.Runtime.CompilerServices;
+
+namespace AssetRipper.TextureDecoder.Tests;
+
+internal static class OldRgbConverter
+{
+	[MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
+	public static int A8ToBGRA32(ReadOnlySpan<byte> input, int width, int height, out byte[] output)
+	{
+		output = new byte[width * height * 4];
+		return A8ToBGRA32(input, width, height, output);
+	}
+
+	[MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
+	public static int A8ToBGRA32(ReadOnlySpan<byte> input, int width, int height, Span<byte> output)
+	{
+		int io = 0;
+		int oo = 0;
+		for (int i = 0; i < width; i++)
+		{
+			for (int j = 0; j < height; j++)
+			{
+				output[oo + 0] = 0;         // b
+				output[oo + 1] = 0;         // g
+				output[oo + 2] = 0;         // r
+				output[oo + 3] = input[io]; // a
+				oo += 4;
+				io++;
+			}
+		}
+		return io;
+	}
+
+	[MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
+	public static int RGB24ToBGRA32(ReadOnlySpan<byte> input, int width, int height, out byte[] output)
+	{
+		output = new byte[width * height * 4];
+		return RGB24ToBGRA32(input, width, height, output);
+	}
+
+	[MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
+	public static int RGB24ToBGRA32(ReadOnlySpan<byte> input, int width, int height, Span<byte> output)
+	{
+		int io = 0;
+		int oo = 0;
+		for (int i = 0; i < width; i++)
+		{
+			for (int j = 0; j < height; j++)
+			{
+				output[oo + 0] = input[io + 2]; // b
+				output[oo + 1] = input[io + 1]; // g
+				output[oo + 2] = input[io + 0]; // r
+				output[oo + 3] = 255;           // a
+				io += 3;
+				oo += 4;
+			}
+		}
+		return io;
+	}
+
+	[MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
+	public static int RGBA32ToBGRA32(ReadOnlySpan<byte> input, int width, int height, out byte[] output)
+	{
+		output = new byte[width * height * 4];
+		return RGBA32ToBGRA32(input, width, height, output);
+	}
+
+	[MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
+	public static int RGBA32ToBGRA32(ReadOnlySpan<byte> input, int width, int height, Span<byte> output)
+	{
+		int io = 0;
+		int oo = 0;
+		for (int i = 0; i < width; i++)
+		{
+			for (int j = 0; j < height; j++)
+			{
+				output[oo + 0] = input[io + 2]; // b
+				output[oo + 1] = input[io + 1]; // g
+				output[oo + 2] = input[io + 0]; // r
+				output[oo + 3] = input[io + 3]; // a
+				io += 4;
+				oo += 4;
+			}
+		}
+		return io;
+	}
+
+	[MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
+	public static int ARGB32ToBGRA32(ReadOnlySpan<byte> input, int width, int height, out byte[] output)
+	{
+		output = new byte[width * height * 4];
+		return ARGB32ToBGRA32(input, width, height, output);
+	}
+
+	[MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
+	public static int ARGB32ToBGRA32(ReadOnlySpan<byte> input, int width, int height, Span<byte> output)
+	{
+		int io = 0;
+		int oo = 0;
+		for (int i = 0; i < width; i++)
+		{
+			for (int j = 0; j < height; j++)
+			{
+				output[oo + 0] = input[io + 3]; // b
+				output[oo + 1] = input[io + 2]; // g
+				output[oo + 2] = input[io + 1]; // r
+				output[oo + 3] = input[io + 0]; // a
+				io += 4;
+				oo += 4;
+			}
+		}
+		return io;
+	}
+
+	[MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
+	public static int RGB16ToBGRA32(ReadOnlySpan<byte> input, int width, int height, out byte[] output)
+	{
+		output = new byte[width * height * 4];
+		return RGB16ToBGRA32(input, width, height, output);
+	}
+
+	[MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
+	public static int RGB16ToBGRA32(ReadOnlySpan<byte> input, int width, int height, Span<byte> output)
+	{
+		int io = 0;
+		int oo = 0;
+		for (int i = 0; i < width; i++)
+		{
+			for (int j = 0; j < height; j++)
+			{
+				byte r = (byte)(input[io + 1] & 0xF8);
+				byte g = unchecked((byte)((input[io + 1] << 5) | ((input[io + 0] & 0xE0) >> 3)));
+				byte b = unchecked((byte)(input[io + 0] << 3));
+				output[oo + 0] = b;     // b
+				output[oo + 1] = g;     // g
+				output[oo + 2] = r;     // r
+				output[oo + 3] = 255;   // a
+				io += 2;
+				oo += 4;
+			}
+		}
+		return io;
+	}
+
+	[MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
+	public static int RG16ToBGRA32(ReadOnlySpan<byte> input, int width, int height, out byte[] output)
+	{
+		output = new byte[width * height * 4];
+		return RG16ToBGRA32(input, width, height, output);
+	}
+
+	[MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
+	public static int RG16ToBGRA32(ReadOnlySpan<byte> input, int width, int height, Span<byte> output)
+	{
+		int io = 0;
+		int oo = 0;
+		for (int i = 0; i < width; i++)
+		{
+			for (int j = 0; j < height; j++)
+			{
+				output[oo + 0] = 0;             // b
+				output[oo + 1] = input[io + 1]; // g
+				output[oo + 2] = input[io + 0]; // r
+				output[oo + 3] = 255;           // a
+				io += 2;
+				oo += 4;
+			}
+		}
+		return io;
+	}
+
+	[MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
+	public static int R8ToBGRA32(ReadOnlySpan<byte> input, int width, int height, out byte[] output)
+	{
+		output = new byte[width * height * 4];
+		return R8ToBGRA32(input, width, height, output);
+	}
+
+	[MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
+	public static int R8ToBGRA32(ReadOnlySpan<byte> input, int width, int height, Span<byte> output)
+	{
+		int io = 0;
+		int oo = 0;
+		for (int i = 0; i < width; i++)
+		{
+			for (int j = 0; j < height; j++)
+			{
+				output[oo + 0] = 0;             // b
+				output[oo + 1] = 0;             // g
+				output[oo + 2] = input[io + 0]; // r
+				output[oo + 3] = 255;           // a
+				io += 1;
+				oo += 4;
+			}
+		}
+		return io;
+	}
+
+	[MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
+	public static int RHalfToBGRA32(ReadOnlySpan<byte> input, int width, int height, out byte[] output)
+	{
+		output = new byte[width * height * 4];
+		return RHalfToBGRA32(input, width, height, output);
+	}
+
+	[MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
+	public static int RHalfToBGRA32(ReadOnlySpan<byte> input, int width, int height, Span<byte> output)
+	{
+		int io = 0;
+		int oo = 0;
+		for (int i = 0; i < width; i++)
+		{
+			for (int j = 0; j < height; j++)
+			{
+				byte r = ClampByte(ToHalf(input, io) * 255f);
+				output[oo + 0] = 0;             // b
+				output[oo + 1] = 0;             // g
+				output[oo + 2] = r;             // r
+				output[oo + 3] = 255;           // a
+				io += 2;
+				oo += 4;
+			}
+		}
+		return io;
+	}
+
+	[MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
+	public static int RGHalfToBGRA32(ReadOnlySpan<byte> input, int width, int height, out byte[] output)
+	{
+		output = new byte[width * height * 4];
+		return RGHalfToBGRA32(input, width, height, output);
+	}
+
+	[MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
+	public static int RGHalfToBGRA32(ReadOnlySpan<byte> input, int width, int height, Span<byte> output)
+	{
+		int io = 0;
+		int oo = 0;
+		for (int i = 0; i < width; i++)
+		{
+			for (int j = 0; j < height; j++)
+			{
+				byte r = ClampByte(ToHalf(input, io + 0) * 255f);
+				byte g = ClampByte(ToHalf(input, io + 2) * 255f);
+				output[oo + 0] = 0;             // b
+				output[oo + 1] = g;             // g
+				output[oo + 2] = r;             // r
+				output[oo + 3] = 255;           // a
+				io += 4;
+				oo += 4;
+			}
+		}
+		return io;
+	}
+
+	[MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
+	public static int RGBAHalfToBGRA32(ReadOnlySpan<byte> input, int width, int height, out byte[] output)
+	{
+		output = new byte[width * height * 4];
+		return RGBAHalfToBGRA32(input, width, height, output);
+	}
+
+	[MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
+	public static int RGBAHalfToBGRA32(ReadOnlySpan<byte> input, int width, int height, Span<byte> output)
+	{
+		int io = 0;
+		int oo = 0;
+		for (int i = 0; i < width; i++)
+		{
+			for (int j = 0; j < height; j++)
+			{
+				byte r = ClampByte(ToHalf(input, io + 0) * 255f);
+				byte g = ClampByte(ToHalf(input, io + 2) * 255f);
+				byte b = ClampByte(ToHalf(input, io + 4) * 255f);
+				byte a = ClampByte(ToHalf(input, io + 6) * 255f);
+				output[oo + 0] = b;             // b
+				output[oo + 1] = g;             // g
+				output[oo + 2] = r;             // r
+				output[oo + 3] = a;             // a
+				io += 8;
+				oo += 4;
+			}
+		}
+		return io;
+	}
+
+	[MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
+	public static int RFloatToBGRA32(ReadOnlySpan<byte> input, int width, int height, out byte[] output)
+	{
+		output = new byte[width * height * 4];
+		return RFloatToBGRA32(input, width, height, output);
+	}
+
+	[MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
+	public static int RFloatToBGRA32(ReadOnlySpan<byte> input, int width, int height, Span<byte> output)
+	{
+		int io = 0;
+		int oo = 0;
+		for (int i = 0; i < width; i++)
+		{
+			for (int j = 0; j < height; j++)
+			{
+				byte r = ClampByte(ToSingle(input, io) * 255f);
+				output[oo + 0] = 0;             // b
+				output[oo + 1] = 0;             // g
+				output[oo + 2] = r;             // r
+				output[oo + 3] = 255;           // a
+				io += 4;
+				oo += 4;
+			}
+		}
+		return io;
+	}
+
+	[MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
+	public static int RGFloatToBGRA32(ReadOnlySpan<byte> input, int width, int height, out byte[] output)
+	{
+		output = new byte[width * height * 4];
+		return RGFloatToBGRA32(input, width, height, output);
+	}
+
+	[MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
+	public static int RGFloatToBGRA32(ReadOnlySpan<byte> input, int width, int height, Span<byte> output)
+	{
+		int io = 0;
+		int oo = 0;
+		for (int i = 0; i < width; i++)
+		{
+			for (int j = 0; j < height; j++)
+			{
+				byte r = ClampByte(ToSingle(input, io + 0) * 255f);
+				byte g = ClampByte(ToSingle(input, io + 4) * 255f);
+				output[oo + 0] = 0;             // b
+				output[oo + 1] = g;             // g
+				output[oo + 2] = r;             // r
+				output[oo + 3] = 255;           // a
+				io += 8;
+				oo += 4;
+			}
+		}
+		return io;
+	}
+
+	[MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
+	public static int RGBAFloatToBGRA32(ReadOnlySpan<byte> input, int width, int height, out byte[] output)
+	{
+		output = new byte[width * height * 4];
+		return RGBAFloatToBGRA32(input, width, height, output);
+	}
+
+	[MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
+	public static int RGBAFloatToBGRA32(ReadOnlySpan<byte> input, int width, int height, Span<byte> output)
+	{
+		int io = 0;
+		int oo = 0;
+		for (int i = 0; i < width; i++)
+		{
+			for (int j = 0; j < height; j++)
+			{
+				byte r = ClampByte(ToSingle(input, io + 0) * 255f);
+				byte g = ClampByte(ToSingle(input, io + 4) * 255f);
+				byte b = ClampByte(ToSingle(input, io + 8) * 255f);
+				byte a = ClampByte(ToSingle(input, io + 12) * 255f);
+				output[oo + 0] = b;             // b
+				output[oo + 1] = g;             // g
+				output[oo + 2] = r;             // r
+				output[oo + 3] = a;             // a
+				io += 16;
+				oo += 4;
+			}
+		}
+		return io;
+	}
+
+	[MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
+	public static int RGB9e5FloatToBGRA32(ReadOnlySpan<byte> input, int width, int height, out byte[] output)
+	{
+		output = new byte[width * height * 4];
+		return RGB9e5FloatToBGRA32(input, width, height, output);
+	}
+
+	[MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
+	public static int RGB9e5FloatToBGRA32(ReadOnlySpan<byte> input, int width, int height, Span<byte> output)
+	{
+		int io = 0;
+		int oo = 0;
+		for (int i = 0; i < width; i++)
+		{
+			for (int j = 0; j < height; j++)
+			{
+				uint value = BinaryPrimitives.ReadUInt32LittleEndian(input.Slice(io, 4));
+				double scale = Math.Pow(2, unchecked((int)(value >> 27) - 24));
+				byte r = ClampByte((value >> 0 & 0x1FF) * scale * 255.0);
+				byte g = ClampByte((value >> 9 & 0x1FF) * scale * 255.0);
+				byte b = ClampByte((value >> 18 & 0x1FF) * scale * 255.0);
+				output[oo + 0] = b;             // b
+				output[oo + 1] = g;             // g
+				output[oo + 2] = r;             // r
+				output[oo + 3] = 255;           // a
+				io += 4;
+				oo += 4;
+			}
+		}
+		return io;
+	}
+
+	[MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
+	public static int RG32ToBGRA32(ReadOnlySpan<byte> input, int width, int height, out byte[] output)
+	{
+		output = new byte[width * height * 4];
+		return RG32ToBGRA32(input, width, height, output);
+	}
+
+	[MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
+	public static int RG32ToBGRA32(ReadOnlySpan<byte> input, int width, int height, Span<byte> output)
+	{
+		int io = 0;
+		int oo = 0;
+		for (int i = 0; i < width; i++)
+		{
+			for (int j = 0; j < height; j++)
+			{
+				output[oo + 0] = 0;             // b
+				output[oo + 1] = input[io + 3]; // g
+				output[oo + 2] = input[io + 1]; // r
+				output[oo + 3] = 255;           // a
+				io += 4;
+				oo += 4;
+			}
+		}
+		return io;
+	}
+
+	[MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
+	public static int RGB48ToBGRA32(ReadOnlySpan<byte> input, int width, int height, out byte[] output)
+	{
+		output = new byte[width * height * 4];
+		return RGB48ToBGRA32(input, width, height, output);
+	}
+
+	[MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
+	public static int RGB48ToBGRA32(ReadOnlySpan<byte> input, int width, int height, Span<byte> output)
+	{
+		int io = 0;
+		int oo = 0;
+		for (int i = 0; i < width; i++)
+		{
+			for (int j = 0; j < height; j++)
+			{
+				output[oo + 0] = input[io + 5]; // b
+				output[oo + 1] = input[io + 3]; // g
+				output[oo + 2] = input[io + 1]; // r
+				output[oo + 3] = 255;           // a
+				io += 6;
+				oo += 4;
+			}
+		}
+		return io;
+	}
+
+	[MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
+	public static int RGBA64ToBGRA32(ReadOnlySpan<byte> input, int width, int height, out byte[] output)
+	{
+		output = new byte[width * height * 4];
+		return RGBA64ToBGRA32(input, width, height, output);
+	}
+
+	[MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
+	public static int RGBA64ToBGRA32(ReadOnlySpan<byte> input, int width, int height, Span<byte> output)
+	{
+		int io = 0;
+		int oo = 0;
+		for (int i = 0; i < width; i++)
+		{
+			for (int j = 0; j < height; j++)
+			{
+				output[oo + 0] = input[io + 5]; // b
+				output[oo + 1] = input[io + 3]; // g
+				output[oo + 2] = input[io + 1]; // r
+				output[oo + 3] = input[io + 7]; // a
+				io += 8;
+				oo += 4;
+			}
+		}
+		return io;
+	}
+
+	[MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
+	private static float ToHalf(ReadOnlySpan<byte> input, int offset)
+	{
+		return (float)BinaryPrimitives.ReadHalfLittleEndian(input.Slice(offset, 2));
+	}
+
+	[MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
+	private static float ToSingle(ReadOnlySpan<byte> input, int offset)
+	{
+		return BinaryPrimitives.ReadSingleLittleEndian(input.Slice(offset, 4));
+	}
+
+	[MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
+	private static byte ClampByte(float x)
+	{
+		return byte.MaxValue < x ? byte.MaxValue : (x > byte.MinValue ? (byte)x : byte.MinValue);
+	}
+
+	[MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
+	private static byte ClampByte(double x)
+	{
+		return byte.MaxValue < x ? byte.MaxValue : (x > byte.MinValue ? (byte)x : byte.MinValue);
+	}
+}

AssetRipper.TextureDecoder.Tests/PvrtcTests.cs

@@ -1,4 +1,5 @@
 using AssetRipper.TextureDecoder.Pvrtc;
+using AssetRipper.TextureDecoder.Rgb.Formats;
 
 namespace AssetRipper.TextureDecoder.Tests;
 
@@ -11,7 +12,7 @@ public sealed class PvrtcTests
 		int totalBytesRead = 0;
 		foreach (int size in new int[] { 512, 256, 128, 64, 32, 16, 8, 4, 2, 1 }) //mip maps
 		{
-			int bytesRead = PvrtcDecoder.DecompressPVRTC(data, size, size, false, out _);
+			int bytesRead = PvrtcDecoder.DecompressPVRTC<ColorBGRA<byte>, byte>(data, size, size, false, out _);
 			totalBytesRead += bytesRead;
 		}
 		Assert.That(totalBytesRead, Is.EqualTo(data.Length));
@@ -32,7 +33,7 @@ public sealed class PvrtcTests
 	private static void AssertCorrectDecompression<T>(bool do2bitMode, double maxMeanDeviation, double maxStandardDeviation) where T : ITexture
 	{
 		ReadOnlySpan<byte> data = T.Data;
-		int bytesRead = PvrtcDecoder.DecompressPVRTC(data, T.Width, T.Height, do2bitMode, out byte[] decompressedData);
+		int bytesRead = PvrtcDecoder.DecompressPVRTC<ColorBGRA<byte>, byte>(data, T.Width, T.Height, do2bitMode, out byte[] decompressedData);
 		if (!T.Mips)
 		{
 			Assert.That(bytesRead, Is.EqualTo(data.Length));

AssetRipper.TextureDecoder.Tests/RgbConsistencyTests.cs

@@ -3,7 +3,7 @@ using AssetRipper.TextureDecoder.Rgb.Formats;
 
 namespace AssetRipper.TextureDecoder.Tests
 {
-	public sealed class NewRgbTests
+	public sealed class RgbConsistencyTests
 	{
 		[Test]
 		public void ConvertA8Test()
@@ -12,8 +12,8 @@ namespace AssetRipper.TextureDecoder.Tests
 			int totalBytesRead = 0;
 			foreach (int size in new int[] { 256, 128, 64, 32, 16, 8, 4, 2, 1 }) //mip maps
 			{
-				int bytesRead = RgbConverter.A8ToBGRA32(data.Slice(totalBytesRead), size, size, out byte[] originalDecodedData);
-				RgbConverter.Convert<ColorA<byte>, byte, ColorBGRA32, byte>(data.Slice(totalBytesRead), size, size, out byte[] newDecodedData);
+				int bytesRead = OldRgbConverter.A8ToBGRA32(data.Slice(totalBytesRead), size, size, out byte[] originalDecodedData);
+				RgbConverter.Convert<ColorA<byte>, byte, ColorBGRA<byte>, byte>(data.Slice(totalBytesRead), size, size, out byte[] newDecodedData);
 				totalBytesRead += bytesRead;
 				Assert.That(originalDecodedData, Is.EqualTo(newDecodedData));
 			}
@@ -27,7 +27,7 @@ namespace AssetRipper.TextureDecoder.Tests
 			int totalBytesRead = 0;
 			foreach (int size in new int[] { 256, 128, 64, 32, 16, 8, 4, 2, 1 }) //mip maps
 			{
-				int bytesRead = RgbConverter.Convert<ColorARGB16, byte, ColorBGRA32, byte>(data.Slice(totalBytesRead), size, size, out _);
+				int bytesRead = RgbConverter.Convert<ColorARGB16, byte, ColorBGRA<byte>, byte>(data.Slice(totalBytesRead), size, size, out _);
 				totalBytesRead += bytesRead;
 			}
 			Assert.That(totalBytesRead, Is.EqualTo(data.Length));
@@ -40,8 +40,8 @@ namespace AssetRipper.TextureDecoder.Tests
 			int totalBytesRead = 0;
 			foreach (int size in new int[] { 256, 128, 64, 32, 16, 8, 4, 2, 1 }) //mip maps
 			{
-				int bytesRead = RgbConverter.RGB24ToBGRA32(data.Slice(totalBytesRead), size, size, out byte[] originalDecodedData);
-				RgbConverter.Convert<ColorRGB<byte>, byte, ColorBGRA32, byte>(data.Slice(totalBytesRead), size, size, out byte[] newDecodedData);
+				int bytesRead = OldRgbConverter.RGB24ToBGRA32(data.Slice(totalBytesRead), size, size, out byte[] originalDecodedData);
+				RgbConverter.Convert<ColorRGB<byte>, byte, ColorBGRA<byte>, byte>(data.Slice(totalBytesRead), size, size, out byte[] newDecodedData);
 				totalBytesRead += bytesRead;
 				Assert.That(originalDecodedData, Is.EqualTo(newDecodedData));
 			}
@@ -55,8 +55,8 @@ namespace AssetRipper.TextureDecoder.Tests
 			int totalBytesRead = 0;
 			foreach (int size in new int[] { 256, 128, 64, 32, 16, 8, 4, 2, 1 }) //mip maps
 			{
-				int bytesRead = RgbConverter.RGBA32ToBGRA32(data.Slice(totalBytesRead), size, size, out byte[] originalDecodedData);
-				RgbConverter.Convert<ColorRGBA<byte>, byte, ColorBGRA32, byte>(data.Slice(totalBytesRead), size, size, out byte[] newDecodedData);
+				int bytesRead = OldRgbConverter.RGBA32ToBGRA32(data.Slice(totalBytesRead), size, size, out byte[] originalDecodedData);
+				RgbConverter.Convert<ColorRGBA<byte>, byte, ColorBGRA<byte>, byte>(data.Slice(totalBytesRead), size, size, out byte[] newDecodedData);
 				totalBytesRead += bytesRead;
 				Assert.That(originalDecodedData, Is.EqualTo(newDecodedData));
 			}
@@ -70,8 +70,8 @@ namespace AssetRipper.TextureDecoder.Tests
 			int totalBytesRead = 0;
 			foreach (int size in new int[] { 256, 128, 64, 32, 16, 8, 4, 2, 1 }) //mip maps
 			{
-				int bytesRead = RgbConverter.ARGB32ToBGRA32(data.Slice(totalBytesRead), size, size, out byte[] originalDecodedData);
-				RgbConverter.Convert<ColorARGB32, byte, ColorBGRA32, byte>(data.Slice(totalBytesRead), size, size, out byte[] newDecodedData);
+				int bytesRead = OldRgbConverter.ARGB32ToBGRA32(data.Slice(totalBytesRead), size, size, out byte[] originalDecodedData);
+				RgbConverter.Convert<ColorARGB<byte>, byte, ColorBGRA<byte>, byte>(data.Slice(totalBytesRead), size, size, out byte[] newDecodedData);
 				totalBytesRead += bytesRead;
 				Assert.That(originalDecodedData, Is.EqualTo(newDecodedData));
 			}
@@ -85,8 +85,8 @@ namespace AssetRipper.TextureDecoder.Tests
 			int totalBytesRead = 0;
 			foreach (int size in new int[] { 256, 128, 64, 32, 16, 8, 4, 2, 1 }) //mip maps
 			{
-				int bytesRead = RgbConverter.RGB16ToBGRA32(data.Slice(totalBytesRead), size, size, out byte[] originalDecodedData);
-				RgbConverter.Convert<ColorRGB16, byte, ColorBGRA32, byte>(data.Slice(totalBytesRead), size, size, out byte[] newDecodedData);
+				int bytesRead = OldRgbConverter.RGB16ToBGRA32(data.Slice(totalBytesRead), size, size, out byte[] originalDecodedData);
+				RgbConverter.Convert<ColorRGB16, byte, ColorBGRA<byte>, byte>(data.Slice(totalBytesRead), size, size, out byte[] newDecodedData);
 				totalBytesRead += bytesRead;
 				Assert.That(originalDecodedData, Is.EqualTo(newDecodedData));
 			}
@@ -100,7 +100,7 @@ namespace AssetRipper.TextureDecoder.Tests
 			int totalBytesRead = 0;
 			foreach (int size in new int[] { 256, 128, 64, 32, 16, 8, 4, 2, 1 }) //mip maps
 			{
-				int bytesRead = RgbConverter.Convert<ColorR<ushort>, ushort, ColorBGRA32, byte>(data.Slice(totalBytesRead), size, size, out _);
+				int bytesRead = RgbConverter.Convert<ColorR<ushort>, ushort, ColorBGRA<byte>, byte>(data.Slice(totalBytesRead), size, size, out _);
 				totalBytesRead += bytesRead;
 			}
 			Assert.That(totalBytesRead, Is.EqualTo(data.Length));
@@ -113,7 +113,7 @@ namespace AssetRipper.TextureDecoder.Tests
 			int totalBytesRead = 0;
 			foreach (int size in new int[] { 256, 128, 64, 32, 16, 8, 4, 2, 1 }) //mip maps
 			{
-				int bytesRead = RgbConverter.Convert<ColorRGBA16, byte, ColorBGRA32, byte>(data.Slice(totalBytesRead), size, size, out _);
+				int bytesRead = RgbConverter.Convert<ColorRGBA16, byte, ColorBGRA<byte>, byte>(data.Slice(totalBytesRead), size, size, out _);
 				totalBytesRead += bytesRead;
 			}
 			Assert.That(totalBytesRead, Is.EqualTo(data.Length));
@@ -126,8 +126,8 @@ namespace AssetRipper.TextureDecoder.Tests
 			int totalBytesRead = 0;
 			foreach (int size in new int[] { 256, 128, 64, 32, 16, 8, 4, 2, 1 }) //mip maps
 			{
-				int bytesRead = RgbConverter.RG16ToBGRA32(data.Slice(totalBytesRead), size, size, out byte[] originalDecodedData);
-				RgbConverter.Convert<ColorRG<byte>, byte, ColorBGRA32, byte>(data.Slice(totalBytesRead), size, size, out byte[] newDecodedData);
+				int bytesRead = OldRgbConverter.RG16ToBGRA32(data.Slice(totalBytesRead), size, size, out byte[] originalDecodedData);
+				RgbConverter.Convert<ColorRG<byte>, byte, ColorBGRA<byte>, byte>(data.Slice(totalBytesRead), size, size, out byte[] newDecodedData);
 				totalBytesRead += bytesRead;
 				Assert.That(originalDecodedData, Is.EqualTo(newDecodedData));
 			}
@@ -141,8 +141,8 @@ namespace AssetRipper.TextureDecoder.Tests
 			int totalBytesRead = 0;
 			foreach (int size in new int[] { 256, 128, 64, 32, 16, 8, 4, 2, 1 }) //mip maps
 			{
-				int bytesRead = RgbConverter.R8ToBGRA32(data.Slice(totalBytesRead), size, size, out byte[] originalDecodedData);
-				RgbConverter.Convert<ColorR<byte>, byte, ColorBGRA32, byte>(data.Slice(totalBytesRead), size, size, out byte[] newDecodedData);
+				int bytesRead = OldRgbConverter.R8ToBGRA32(data.Slice(totalBytesRead), size, size, out byte[] originalDecodedData);
+				RgbConverter.Convert<ColorR<byte>, byte, ColorBGRA<byte>, byte>(data.Slice(totalBytesRead), size, size, out byte[] newDecodedData);
 				totalBytesRead += bytesRead;
 				Assert.That(originalDecodedData, Is.EqualTo(newDecodedData));
 			}
@@ -153,8 +153,8 @@ namespace AssetRipper.TextureDecoder.Tests
 		public void ConvertRHalfTest()
 		{
 			ReadOnlySpan<byte> data = File.ReadAllBytes(TestFileFolders.RgbTestFiles + "test.rhalf");
-			RgbConverter.RHalfToBGRA32(data, 256, 256, out byte[] originalDecodedData);
-			RgbConverter.Convert<ColorR<Half>, Half, ColorBGRA32, byte>(data, 256, 256, out byte[] newDecodedData);
+			OldRgbConverter.RHalfToBGRA32(data, 256, 256, out byte[] originalDecodedData);
+			RgbConverter.Convert<ColorR<Half>, Half, ColorBGRA<byte>, byte>(data, 256, 256, out byte[] newDecodedData);
 			Assert.That(originalDecodedData, Is.EqualTo(newDecodedData));
 		}
 
@@ -162,8 +162,8 @@ namespace AssetRipper.TextureDecoder.Tests
 		public void ConvertRGHalfTest()
 		{
 			ReadOnlySpan<byte> data = File.ReadAllBytes(TestFileFolders.RgbTestFiles + "test.rghalf");
-			RgbConverter.RGHalfToBGRA32(data, 256, 256, out byte[] originalDecodedData);
-			RgbConverter.Convert<ColorRG<Half>, Half, ColorBGRA32, byte>(data, 256, 256, out byte[] newDecodedData);
+			OldRgbConverter.RGHalfToBGRA32(data, 256, 256, out byte[] originalDecodedData);
+			RgbConverter.Convert<ColorRG<Half>, Half, ColorBGRA<byte>, byte>(data, 256, 256, out byte[] newDecodedData);
 			Assert.That(originalDecodedData, Is.EqualTo(newDecodedData));
 		}
 
@@ -171,8 +171,8 @@ namespace AssetRipper.TextureDecoder.Tests
 		public void ConvertRGBAHalfTest()
 		{
 			ReadOnlySpan<byte> data = File.ReadAllBytes(TestFileFolders.RgbTestFiles + "test.rgbahalf");
-			RgbConverter.RGBAHalfToBGRA32(data, 256, 256, out byte[] originalDecodedData);
-			RgbConverter.Convert<ColorRGBA<Half>, Half, ColorBGRA32, byte>(data, 256, 256, out byte[] newDecodedData);
+			OldRgbConverter.RGBAHalfToBGRA32(data, 256, 256, out byte[] originalDecodedData);
+			RgbConverter.Convert<ColorRGBA<Half>, Half, ColorBGRA<byte>, byte>(data, 256, 256, out byte[] newDecodedData);
 			Assert.That(originalDecodedData, Is.EqualTo(newDecodedData));
 		}
 
@@ -180,8 +180,8 @@ namespace AssetRipper.TextureDecoder.Tests
 		public void ConvertRFloatTest()
 		{
 			ReadOnlySpan<byte> data = File.ReadAllBytes(TestFileFolders.RgbTestFiles + "test.rfloat");
-			RgbConverter.RFloatToBGRA32(data, 256, 256, out byte[] originalDecodedData);
-			RgbConverter.Convert<ColorR<float>, float, ColorBGRA32, byte>(data, 256, 256, out byte[] newDecodedData);
+			OldRgbConverter.RFloatToBGRA32(data, 256, 256, out byte[] originalDecodedData);
+			RgbConverter.Convert<ColorR<float>, float, ColorBGRA<byte>, byte>(data, 256, 256, out byte[] newDecodedData);
 			Assert.That(originalDecodedData, Is.EqualTo(newDecodedData));
 		}
 
@@ -189,8 +189,8 @@ namespace AssetRipper.TextureDecoder.Tests
 		public void ConvertRGFloatTest()
 		{
 			ReadOnlySpan<byte> data = File.ReadAllBytes(TestFileFolders.RgbTestFiles + "test.rgfloat");
-			RgbConverter.RGFloatToBGRA32(data, 256, 256, out byte[] originalDecodedData);
-			RgbConverter.Convert<ColorRG<float>, float, ColorBGRA32, byte>(data, 256, 256, out byte[] newDecodedData);
+			OldRgbConverter.RGFloatToBGRA32(data, 256, 256, out byte[] originalDecodedData);
+			RgbConverter.Convert<ColorRG<float>, float, ColorBGRA<byte>, byte>(data, 256, 256, out byte[] newDecodedData);
 			Assert.That(originalDecodedData, Is.EqualTo(newDecodedData));
 		}
 
@@ -198,8 +198,8 @@ namespace AssetRipper.TextureDecoder.Tests
 		public void ConvertRGBAFloatTest()
 		{
 			ReadOnlySpan<byte> data = File.ReadAllBytes(TestFileFolders.RgbTestFiles + "test.rgbafloat");
-			RgbConverter.RGBAFloatToBGRA32(data, 256, 256, out byte[] originalDecodedData);
-			RgbConverter.Convert<ColorRGBA<float>, float, ColorBGRA32, byte>(data, 256, 256, out byte[] newDecodedData);
+			OldRgbConverter.RGBAFloatToBGRA32(data, 256, 256, out byte[] originalDecodedData);
+			RgbConverter.Convert<ColorRGBA<float>, float, ColorBGRA<byte>, byte>(data, 256, 256, out byte[] newDecodedData);
 			Assert.That(originalDecodedData, Is.EqualTo(newDecodedData));
 		}
 
@@ -207,8 +207,8 @@ namespace AssetRipper.TextureDecoder.Tests
 		public void ConvertRGB9e5FloatTest()
 		{
 			ReadOnlySpan<byte> data = File.ReadAllBytes(TestFileFolders.RgbTestFiles + "test.rgb9e5float");
-			RgbConverter.RGB9e5FloatToBGRA32(data, 256, 256, out byte[] originalDecodedData);
-			RgbConverter.Convert<ColorRGB9e5, double, ColorBGRA32, byte>(data, 256, 256, out byte[] newDecodedData);
+			OldRgbConverter.RGB9e5FloatToBGRA32(data, 256, 256, out byte[] originalDecodedData);
+			RgbConverter.Convert<ColorRGB9e5, double, ColorBGRA<byte>, byte>(data, 256, 256, out byte[] newDecodedData);
 			Assert.That(originalDecodedData, Is.EqualTo(newDecodedData));
 		}
 
@@ -216,8 +216,8 @@ namespace AssetRipper.TextureDecoder.Tests
 		public void ConvertRG32Test()
 		{
 			ReadOnlySpan<byte> data = File.ReadAllBytes(TestFileFolders.RgbTestFiles + "test.rg32");
-			RgbConverter.RG32ToBGRA32(data, 512, 512, out byte[] originalDecodedData);
-			RgbConverter.Convert<ColorRG<ushort>, ushort, ColorBGRA32, byte>(data, 512, 512, out byte[] newDecodedData);
+			OldRgbConverter.RG32ToBGRA32(data, 512, 512, out byte[] originalDecodedData);
+			RgbConverter.Convert<ColorRG<ushort>, ushort, ColorBGRA<byte>, byte>(data, 512, 512, out byte[] newDecodedData);
 			Assert.That(originalDecodedData, Is.EqualTo(newDecodedData));
 		}
 
@@ -225,8 +225,8 @@ namespace AssetRipper.TextureDecoder.Tests
 		public void ConvertRGB48Test()
 		{
 			ReadOnlySpan<byte> data = File.ReadAllBytes(TestFileFolders.RgbTestFiles + "test.rgb48");
-			RgbConverter.RGB48ToBGRA32(data, 512, 512, out byte[] originalDecodedData);
-			RgbConverter.Convert<ColorRGB<ushort>, ushort, ColorBGRA32, byte>(data, 512, 512, out byte[] newDecodedData);
+			OldRgbConverter.RGB48ToBGRA32(data, 512, 512, out byte[] originalDecodedData);
+			RgbConverter.Convert<ColorRGB<ushort>, ushort, ColorBGRA<byte>, byte>(data, 512, 512, out byte[] newDecodedData);
 			Assert.That(originalDecodedData, Is.EqualTo(newDecodedData));
 		}
 
@@ -234,8 +234,8 @@ namespace AssetRipper.TextureDecoder.Tests
 		public void ConvertRGBA64Test()
 		{
 			ReadOnlySpan<byte> data = File.ReadAllBytes(TestFileFolders.RgbTestFiles + "test.rgba64");
-			RgbConverter.RGBA64ToBGRA32(data, 512, 512, out byte[] originalDecodedData);
-			RgbConverter.Convert<ColorRGBA<ushort>, ushort, ColorBGRA32, byte>(data, 512, 512, out byte[] newDecodedData);
+			OldRgbConverter.RGBA64ToBGRA32(data, 512, 512, out byte[] originalDecodedData);
+			RgbConverter.Convert<ColorRGBA<ushort>, ushort, ColorBGRA<byte>, byte>(data, 512, 512, out byte[] newDecodedData);
 			Assert.That(originalDecodedData, Is.EqualTo(newDecodedData));
 		}
 	}

AssetRipper.TextureDecoder.Tests/RgbTests.cs

@@ -1,4 +1,7 @@
-namespace AssetRipper.TextureDecoder.Tests
+using AssetRipper.TextureDecoder.Rgb;
+using AssetRipper.TextureDecoder.Rgb.Formats;
+
+namespace AssetRipper.TextureDecoder.Tests
 {
 	public sealed class RgbTests
 	{
@@ -9,7 +12,7 @@
 			int totalBytesRead = 0;
 			foreach (int size in new int[] { 256, 128, 64, 32, 16, 8, 4, 2, 1 }) //mip maps
 			{
-				int bytesRead = Rgb.RgbConverter.A8ToBGRA32(data.Slice(totalBytesRead), size, size, out _);
+				int bytesRead = ConvertSquare<ColorA<byte>, byte>(data.Slice(totalBytesRead), size);
 				totalBytesRead += bytesRead;
 			}
 			Assert.That(totalBytesRead, Is.EqualTo(data.Length));
@@ -22,7 +25,7 @@
 			int totalBytesRead = 0;
 			foreach (int size in new int[] { 256, 128, 64, 32, 16, 8, 4, 2, 1 }) //mip maps
 			{
-				int bytesRead = Rgb.RgbConverter.RGB24ToBGRA32(data.Slice(totalBytesRead), size, size, out _);
+				int bytesRead = ConvertSquare<ColorRGB<byte>, byte>(data.Slice(totalBytesRead), size);
 				totalBytesRead += bytesRead;
 			}
 			Assert.That(totalBytesRead, Is.EqualTo(data.Length));
@@ -35,7 +38,7 @@
 			int totalBytesRead = 0;
 			foreach (int size in new int[] { 256, 128, 64, 32, 16, 8, 4, 2, 1 }) //mip maps
 			{
-				int bytesRead = Rgb.RgbConverter.RGBA32ToBGRA32(data.Slice(totalBytesRead), size, size, out _);
+				int bytesRead = ConvertSquare<ColorRGBA<byte>, byte>(data.Slice(totalBytesRead), size);
 				totalBytesRead += bytesRead;
 			}
 			Assert.That(totalBytesRead, Is.EqualTo(data.Length));
@@ -48,7 +51,7 @@
 			int totalBytesRead = 0;
 			foreach (int size in new int[] { 256, 128, 64, 32, 16, 8, 4, 2, 1 }) //mip maps
 			{
-				int bytesRead = Rgb.RgbConverter.ARGB32ToBGRA32(data.Slice(totalBytesRead), size, size, out _);
+				int bytesRead = ConvertSquare<ColorARGB<byte>, byte>(data.Slice(totalBytesRead), size);
 				totalBytesRead += bytesRead;
 			}
 			Assert.That(totalBytesRead, Is.EqualTo(data.Length));
@@ -61,7 +64,7 @@
 			int totalBytesRead = 0;
 			foreach (int size in new int[] { 256, 128, 64, 32, 16, 8, 4, 2, 1 }) //mip maps
 			{
-				int bytesRead = Rgb.RgbConverter.RGB16ToBGRA32(data.Slice(totalBytesRead), size, size, out _);
+				int bytesRead = ConvertSquare<ColorRGB16, byte>(data.Slice(totalBytesRead), size);
 				totalBytesRead += bytesRead;
 			}
 			Assert.That(totalBytesRead, Is.EqualTo(data.Length));
@@ -74,7 +77,7 @@
 			int totalBytesRead = 0;
 			foreach (int size in new int[] { 256, 128, 64, 32, 16, 8, 4, 2, 1 }) //mip maps
 			{
-				int bytesRead = Rgb.RgbConverter.RG16ToBGRA32(data.Slice(totalBytesRead), size, size, out _);
+				int bytesRead = ConvertSquare<ColorRG<byte>, byte>(data.Slice(totalBytesRead), size);
 				totalBytesRead += bytesRead;
 			}
 			Assert.That(totalBytesRead, Is.EqualTo(data.Length));
@@ -87,7 +90,7 @@
 			int totalBytesRead = 0;
 			foreach (int size in new int[] { 256, 128, 64, 32, 16, 8, 4, 2, 1 }) //mip maps
 			{
-				int bytesRead = Rgb.RgbConverter.R8ToBGRA32(data.Slice(totalBytesRead), size, size, out _);
+				int bytesRead = ConvertSquare<ColorR<byte>, byte>(data.Slice(totalBytesRead), size);
 				totalBytesRead += bytesRead;
 			}
 			Assert.That(totalBytesRead, Is.EqualTo(data.Length));
@@ -97,7 +100,7 @@
 		public void ConvertRHalfTest()
 		{
 			ReadOnlySpan<byte> data = File.ReadAllBytes(TestFileFolders.RgbTestFiles + "test.rhalf");
-			int bytesRead = Rgb.RgbConverter.RHalfToBGRA32(data, 256, 256, out _);
+			int bytesRead = ConvertSquare<ColorR<Half>, Half>(data, 256);
 			Assert.That(bytesRead, Is.EqualTo(data.Length));
 		}
 
@@ -105,7 +108,7 @@
 		public void ConvertRGHalfTest()
 		{
 			ReadOnlySpan<byte> data = File.ReadAllBytes(TestFileFolders.RgbTestFiles + "test.rghalf");
-			int bytesRead = Rgb.RgbConverter.RGHalfToBGRA32(data, 256, 256, out _);
+			int bytesRead = ConvertSquare<ColorRG<Half>, Half>(data, 256);
 			Assert.That(bytesRead, Is.EqualTo(data.Length));
 		}
 
@@ -113,7 +116,7 @@
 		public void ConvertRGBAHalfTest()
 		{
 			ReadOnlySpan<byte> data = File.ReadAllBytes(TestFileFolders.RgbTestFiles + "test.rgbahalf");
-			int bytesRead = Rgb.RgbConverter.RGBAHalfToBGRA32(data, 256, 256, out _);
+			int bytesRead = ConvertSquare<ColorRGBA<Half>, Half>(data, 256);
 			Assert.That(bytesRead, Is.EqualTo(data.Length));
 		}
 
@@ -121,7 +124,7 @@
 		public void ConvertRFloatTest()
 		{
 			ReadOnlySpan<byte> data = File.ReadAllBytes(TestFileFolders.RgbTestFiles + "test.rfloat");
-			int bytesRead = Rgb.RgbConverter.RFloatToBGRA32(data, 256, 256, out _);
+			int bytesRead = ConvertSquare<ColorR<float>, float>(data, 256);
 			Assert.That(bytesRead, Is.EqualTo(data.Length));
 		}
 
@@ -129,7 +132,7 @@
 		public void ConvertRGFloatTest()
 		{
 			ReadOnlySpan<byte> data = File.ReadAllBytes(TestFileFolders.RgbTestFiles + "test.rgfloat");
-			int bytesRead = Rgb.RgbConverter.RGFloatToBGRA32(data, 256, 256, out _);
+			int bytesRead = ConvertSquare<ColorRG<float>, float>(data, 256);
 			Assert.That(bytesRead, Is.EqualTo(data.Length));
 		}
 
@@ -137,7 +140,7 @@
 		public void ConvertRGBAFloatTest()
 		{
 			ReadOnlySpan<byte> data = File.ReadAllBytes(TestFileFolders.RgbTestFiles + "test.rgbafloat");
-			int bytesRead = Rgb.RgbConverter.RGBAFloatToBGRA32(data, 256, 256, out _);
+			int bytesRead = ConvertSquare<ColorRGBA<float>, float>(data, 256);
 			Assert.That(bytesRead, Is.EqualTo(data.Length));
 		}
 
@@ -145,7 +148,7 @@
 		public void ConvertRGB9e5FloatTest()
 		{
 			ReadOnlySpan<byte> data = File.ReadAllBytes(TestFileFolders.RgbTestFiles + "test.rgb9e5float");
-			int bytesRead = Rgb.RgbConverter.RGB9e5FloatToBGRA32(data, 256, 256, out _);
+			int bytesRead = ConvertSquare<ColorRGB9e5, double>(data, 256);
 			Assert.That(bytesRead, Is.EqualTo(data.Length));
 		}
 
@@ -153,7 +156,7 @@
 		public void ConvertRG32Test()
 		{
 			ReadOnlySpan<byte> data = File.ReadAllBytes(TestFileFolders.RgbTestFiles + "test.rg32");
-			int bytesRead = Rgb.RgbConverter.RG32ToBGRA32(data, 512, 512, out _);
+			int bytesRead = ConvertSquare<ColorRG<ushort>, ushort>(data, 512);
 			Assert.That(bytesRead, Is.EqualTo(data.Length));
 		}
 
@@ -161,7 +164,7 @@
 		public void ConvertRGB48Test()
 		{
 			ReadOnlySpan<byte> data = File.ReadAllBytes(TestFileFolders.RgbTestFiles + "test.rgb48");
-			int bytesRead = Rgb.RgbConverter.RGB48ToBGRA32(data, 512, 512, out _);
+			int bytesRead = ConvertSquare<ColorRGB<ushort>, ushort>(data, 512);
 			Assert.That(bytesRead, Is.EqualTo(data.Length));
 		}
 
@@ -169,8 +172,15 @@
 		public void ConvertRGBA64Test()
 		{
 			ReadOnlySpan<byte> data = File.ReadAllBytes(TestFileFolders.RgbTestFiles + "test.rgba64");
-			int bytesRead = Rgb.RgbConverter.RGBA64ToBGRA32(data, 512, 512, out _);
+			int bytesRead = ConvertSquare<ColorRGBA<ushort>, ushort>(data, 512);
 			Assert.That(bytesRead, Is.EqualTo(data.Length));
 		}
+
+		private static int ConvertSquare<TColor, TChannel>(ReadOnlySpan<byte> data, int size)
+			where TColor : unmanaged, IColor<TChannel>
+			where TChannel : unmanaged
+		{
+			return RgbConverter.Convert<TColor, TChannel, ColorBGRA<byte>, byte>(data, size, size, out _);
+		}
 	}
 }

AssetRipper.TextureDecoder.Tests/Yuy2Tests.cs

@@ -13,12 +13,12 @@ namespace AssetRipper.TextureDecoder.Tests
 		public void DecompressYUY2Test()
 		{
 			byte[] input = File.ReadAllBytes(TestFileFolders.Yuy2TestFiles + "test.yuy2");
-			int bytesRead = Yuy2Decoder.DecompressYUY2<ColorBGRA32, byte>(input, TestImageWidth, TestImageHeight, out byte[] decodedData);
-			Assert.Multiple(() =>
+			int bytesRead = Yuy2Decoder.DecompressYUY2<ColorBGRA<byte>, byte>(input, TestImageWidth, TestImageHeight, out byte[] decodedData);
+			using (Assert.EnterMultipleScope())
 			{
 				Assert.That(bytesRead, Is.EqualTo(input.Length));
-				Assert.That(decodedData, Has.Length.EqualTo(TestImageWidth * TestImageHeight * Unsafe.SizeOf<ColorBGRA32>()));
-			});
+				Assert.That(decodedData, Has.Length.EqualTo(TestImageWidth * TestImageHeight * Unsafe.SizeOf<ColorBGRA<byte>>()));
+			}
 		}
 	}
 }

AssetRipper.TextureDecoder.slnx

@@ -0,0 +1,24 @@
+<Solution>
+  <Folder Name="/Solution Items/">
+    <File Path=".editorconfig" />
+    <File Path=".gitignore" />
+    <File Path="Directory.Build.props" />
+    <File Path="LICENSE" />
+    <File Path="README.md" />
+  </Folder>
+  <Folder Name="/Solution Items/Licenses/">
+    <File Path="Licenses/bcdec.md" />
+    <File Path="Licenses/uTinyRipper.md" />
+  </Folder>
+  <Folder Name="/Solution Items/Workflows/">
+    <File Path=".github/workflows/build.yml" />
+  </Folder>
+  <Project Path="AssetRipper.TextureDecoder.ColorGenerator/AssetRipper.TextureDecoder.ColorGenerator.csproj" />
+  <Project Path="AssetRipper.TextureDecoder.ConsoleApp/AssetRipper.TextureDecoder.ConsoleApp.csproj" />
+  <Project Path="AssetRipper.TextureDecoder.Paths/AssetRipper.TextureDecoder.Paths.csproj" />
+  <Project Path="AssetRipper.TextureDecoder.SourceGeneration.Common/AssetRipper.TextureDecoder.SourceGeneration.Common.csproj" />
+  <Project Path="AssetRipper.TextureDecoder.TestGenerator/AssetRipper.TextureDecoder.TestGenerator.csproj" />
+  <Project Path="AssetRipper.TextureDecoder.Tests/AssetRipper.TextureDecoder.Tests.csproj" />
+  <Project Path="AssetRipper.TextureDecoder/AssetRipper.TextureDecoder.csproj" />
+  <Project Path="IntegerConversion.ConstantEstimation/IntegerConversion.ConstantEstimation.csproj" />
+</Solution>

AssetRipper.TextureDecoder/AssetRipper.TextureDecoder.csproj

@@ -1,16 +1,16 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
 	<PropertyGroup>
-		<IsTrimmable>true</IsTrimmable>
+		<TargetFrameworks>net8.0;net10.0</TargetFrameworks>
 		<CopyLocalLockFileAssemblies>true</CopyLocalLockFileAssemblies>
-		
+
 		<PackageId>AssetRipper.TextureDecoder</PackageId>
 		<PackageTags>C# Texture</PackageTags>
 		<RepositoryUrl>https://github.com/AssetRipper/TextureDecoder</RepositoryUrl>
 		<PackageLicenseExpression>MIT</PackageLicenseExpression>
 		<RepositoryType>git</RepositoryType>
 		<PackageProjectUrl>https://github.com/AssetRipper/TextureDecoder</PackageProjectUrl>
-		<Copyright>Copyright (c) 2022 - 2024 ds5678</Copyright>
+		<Copyright>Copyright (c) 2022 - 2026 ds5678</Copyright>
 		<Description>Managed library for decoding textures in multiple formats.</Description>
 		<GeneratePackageOnBuild>true</GeneratePackageOnBuild>
 
@@ -20,7 +20,7 @@
 	</PropertyGroup>
 
 	<ItemGroup>
-		<PackageReference Include="Microsoft.SourceLink.GitHub" Version="8.0.0">
+		<PackageReference Include="Microsoft.SourceLink.GitHub" Version="10.0.103">
 			<PrivateAssets>all</PrivateAssets>
 			<IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
 		</PackageReference>

AssetRipper.TextureDecoder/Astc/AstcDecoder.cs

@@ -1,3 +1,5 @@
+using AssetRipper.TextureDecoder.Rgb;
+using AssetRipper.TextureDecoder.Rgb.Formats;
 using System.Buffers.Binary;
 
 namespace AssetRipper.TextureDecoder.Astc
@@ -12,51 +14,58 @@ namespace AssetRipper.TextureDecoder.Astc
 			}
 		}
 
-		public static int DecodeASTC(ReadOnlySpan<byte> input, int width, int height, int blockWidth, int blockHeight, out byte[] output)
+		public static int DecodeASTC<TOutputColor, TOutputChannelValue>(ReadOnlySpan<byte> input, int width, int height, int blockWidth, int blockHeight, out byte[] output)
+			where TOutputChannelValue : unmanaged
+			where TOutputColor : unmanaged, IColor<TOutputChannelValue>
 		{
 			output = new byte[width * height * 4];
-			return DecodeASTC(input, width, height, blockWidth, blockHeight, output);
+			return DecodeASTC<TOutputColor, TOutputChannelValue>(input, width, height, blockWidth, blockHeight, output);
 		}
 
-		public static int DecodeASTC(ReadOnlySpan<byte> input, int width, int height, int blockWidth, int blockHeight, Span<byte> output)
+		public static int DecodeASTC<TOutputColor, TOutputChannelValue>(ReadOnlySpan<byte> input, int width, int height, int blockWidth, int blockHeight, Span<byte> output)
+			where TOutputChannelValue : unmanaged
+			where TOutputColor : unmanaged, IColor<TOutputChannelValue>
 		{
+			ThrowHelper.ThrowIfNotLittleEndian();
+			return DecodeASTC<TOutputColor, TOutputChannelValue>(input, width, height, blockWidth, blockHeight, MemoryMarshal.Cast<byte, TOutputColor>(output));
+		}
+
+		public static int DecodeASTC<TOutputColor, TOutputChannelValue>(ReadOnlySpan<byte> input, int width, int height, int blockWidth, int blockHeight, Span<TOutputColor> output)
+			where TOutputChannelValue : unmanaged
+			where TOutputColor : unmanaged, IColor<TOutputChannelValue>
+		{
+			ThrowHelper.ThrowIfNotEnoughSpace(output.Length, width * height);
 			ValidateBlockDimension(blockWidth);
 			ValidateBlockDimension(blockHeight);
 			int bcw = (width + blockWidth - 1) / blockWidth;
 			int bch = (height + blockHeight - 1) / blockHeight;
 			int clen_last = (width + blockWidth - 1) % blockWidth + 1;
-			Span<uint> buf = stackalloc uint[blockWidth * blockHeight];
+			Span<ColorRGBA<byte>> buffer = stackalloc ColorRGBA<byte>[blockWidth * blockHeight];
 			int inputOffset = 0;
 			for (int t = 0; t < bch; t++)
 			{
 				for (int s = 0; s < bcw; s++, inputOffset += 16)
 				{
-					DecodeBlock(input[inputOffset..], blockWidth, blockHeight, buf);
+					DecodeBlock(input[inputOffset..], blockWidth, blockHeight, buffer);
 					int clen = s < bcw - 1 ? blockWidth : clen_last;
 					for (int i = 0, y = t * blockHeight; i < blockHeight && y < height; i++, y++)
 					{
 						int outputOffsetUInt32 = t * blockHeight * width + s * blockWidth + i * width;
 						for (int j = 0; j < clen; j++)
 						{
-							WriteUInt32(output, outputOffsetUInt32 + j, buf[j + i * blockWidth]);
+							output[outputOffsetUInt32 + j] = buffer[j + i * blockWidth].Convert<ColorRGBA<byte>, byte, TOutputColor, TOutputChannelValue>();
 						}
 					}
 				}
 			}
 			return inputOffset;
-
-			[MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
-			static void WriteUInt32(Span<byte> buffer, int offsetUInt32, uint value)
-			{
-				BinaryPrimitives.WriteUInt32LittleEndian(buffer.Slice(offsetUInt32 * sizeof(uint)), value);
-			}
 		}
 
-		private static void DecodeBlock(ReadOnlySpan<byte> input, int blockWidth, int blockHeight, Span<uint> output)
+		private static void DecodeBlock(ReadOnlySpan<byte> input, int blockWidth, int blockHeight, Span<ColorRGBA<byte>> output)
 		{
 			if (input[0] == 0xfc && (input[1] & 1) == 1)
 			{
-				uint c = Color(input[9], input[11], input[13], input[15]);
+				ColorRGBA<byte> c = new(input[9], input[11], input[13], input[15]);
 				for (int i = 0; i < blockWidth * blockHeight; i++)
 				{
 					output[i] = c;
@@ -674,7 +683,7 @@ namespace AssetRipper.TextureDecoder.Astc
 			}
 		}
 
-		private static void ApplicateColor(BlockData block, Span<uint> output)
+		private static void ApplicateColor(BlockData block, Span<ColorRGBA<byte>> output)
 		{
 			if (block.dual_plane != 0)
 			{
@@ -689,7 +698,7 @@ namespace AssetRipper.TextureDecoder.Astc
 						byte g = SelectColor(block.endpoints[p][1], block.endpoints[p][5], block.weights[i * 2 + ps[1]]);
 						byte b = SelectColor(block.endpoints[p][2], block.endpoints[p][6], block.weights[i * 2 + ps[2]]);
 						byte a = SelectColor(block.endpoints[p][3], block.endpoints[p][7], block.weights[i * 2 + ps[3]]);
-						output[i] = Color(r, g, b, a);
+						output[i] = new(r, g, b, a);
 					}
 				}
 				else
@@ -700,7 +709,7 @@ namespace AssetRipper.TextureDecoder.Astc
 						byte g = SelectColor(block.endpoints[0][1], block.endpoints[0][5], block.weights[i * 2 + ps[1]]);
 						byte b = SelectColor(block.endpoints[0][2], block.endpoints[0][6], block.weights[i * 2 + ps[2]]);
 						byte a = SelectColor(block.endpoints[0][3], block.endpoints[0][7], block.weights[i * 2 + ps[3]]);
-						output[i] = Color(r, g, b, a);
+						output[i] = new(r, g, b, a);
 					}
 				}
 			}
@@ -713,7 +722,7 @@ namespace AssetRipper.TextureDecoder.Astc
 					byte g = SelectColor(block.endpoints[p][1], block.endpoints[p][5], block.weights[i * 2]);
 					byte b = SelectColor(block.endpoints[p][2], block.endpoints[p][6], block.weights[i * 2]);
 					byte a = SelectColor(block.endpoints[p][3], block.endpoints[p][7], block.weights[i * 2]);
-					output[i] = Color(r, g, b, a);
+					output[i] = new(r, g, b, a);
 				}
 			}
 			else
@@ -724,7 +733,7 @@ namespace AssetRipper.TextureDecoder.Astc
 					byte g = SelectColor(block.endpoints[0][1], block.endpoints[0][5], block.weights[i * 2]);
 					byte b = SelectColor(block.endpoints[0][2], block.endpoints[0][6], block.weights[i * 2]);
 					byte a = SelectColor(block.endpoints[0][3], block.endpoints[0][7], block.weights[i * 2]);
-					output[i] = Color(r, g, b, a);
+					output[i] = new(r, g, b, a);
 				}
 			}
 		}
@@ -849,12 +858,6 @@ namespace AssetRipper.TextureDecoder.Astc
 			}
 		}
 
-		[MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
-		private static uint Color(uint r, uint g, uint b, uint a)
-		{
-			return r << 16 | g << 8 | b | a << 24;
-		}
-
 		[MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
 		private static byte BitReverseU8(byte c, int bits)
 		{

AssetRipper.TextureDecoder/Atc/AtcDecoder.cs

@@ -1,34 +1,48 @@
+using AssetRipper.TextureDecoder.Rgb;
 using System.Buffers.Binary;
 
 namespace AssetRipper.TextureDecoder.Atc
 {
 	public static class AtcDecoder
 	{
-		public static int DecompressAtcRgb4(ReadOnlySpan<byte> input, int width, int height, out byte[] output)
+		public static int DecompressAtcRgb4<TOutputColor, TOutputChannelValue>(ReadOnlySpan<byte> input, int width, int height, out byte[] output)
+			where TOutputChannelValue : unmanaged
+			where TOutputColor : unmanaged, IColor<TOutputChannelValue>
 		{
-			output = new byte[width * height * 4];
-			return DecompressAtcRgb4(input, width, height, output);
+			output = new byte[width * height * Unsafe.SizeOf<TOutputColor>()];
+			return DecompressAtcRgb4<TOutputColor, TOutputChannelValue>(input, width, height, output);
 		}
 
-		public static int DecompressAtcRgb4(ReadOnlySpan<byte> input, int width, int height, Span<byte> output)
+		public static int DecompressAtcRgb4<TOutputColor, TOutputChannelValue>(ReadOnlySpan<byte> input, int width, int height, Span<byte> output)
+			where TOutputChannelValue : unmanaged
+			where TOutputColor : unmanaged, IColor<TOutputChannelValue>
 		{
+			ThrowHelper.ThrowIfNotLittleEndian();
+			return DecompressAtcRgb4<TOutputColor, TOutputChannelValue>(input, width, height, MemoryMarshal.Cast<byte, TOutputColor>(output));
+		}
+
+		public static int DecompressAtcRgb4<TOutputColor, TOutputChannelValue>(ReadOnlySpan<byte> input, int width, int height, Span<TOutputColor> output)
+			where TOutputChannelValue : unmanaged
+			where TOutputColor : unmanaged, IColor<TOutputChannelValue>
+		{
+			ThrowHelper.ThrowIfNotEnoughSpace(output.Length, width * height);
 			int bcw = (width + 3) / 4;
 			int bch = (height + 3) / 4;
 			int clen_last = (width + 3) % 4 + 1;
-			Span<uint> buf = stackalloc uint[16];
+			Span<TOutputColor> buf = stackalloc TOutputColor[16];
 			int inputOffset = 0;
 			for (int t = 0; t < bch; t++)
 			{
 				for (int s = 0; s < bcw; s++, inputOffset += 8)
 				{
-					DecodeAtcRgb4Block(input.Slice(inputOffset, 8), buf);
+					DecodeAtcRgb4Block<TOutputColor, TOutputChannelValue>(input.Slice(inputOffset, 8), buf);
 					int clen = s < bcw - 1 ? 4 : clen_last;
 					for (int i = 0, y = t * 4; i < 4 && y < height; i++, y++)
 					{
-						int outputOffset = t * 16 * width + s * 16 + i * width * sizeof(uint);
+						int outputOffset = t * 4 * width + s * 4 + i * width;
 						for (int j = 0; j < clen; j++)
 						{
-							BinaryPrimitives.WriteUInt32LittleEndian(output.Slice(outputOffset + j * sizeof(uint)), buf[j + 4 * i]);
+							output[outputOffset + j] = buf[j + 4 * i];
 						}
 					}
 				}
@@ -36,31 +50,44 @@ namespace AssetRipper.TextureDecoder.Atc
 			return inputOffset;
 		}
 
-		public static int DecompressAtcRgba8(ReadOnlySpan<byte> input, int width, int height, out byte[] output)
+		public static int DecompressAtcRgba8<TOutputColor, TOutputChannelValue>(ReadOnlySpan<byte> input, int width, int height, out byte[] output)
+			where TOutputChannelValue : unmanaged
+			where TOutputColor : unmanaged, IColor<TOutputChannelValue>
 		{
-			output = new byte[width * height * 4];
-			return DecompressAtcRgba8(input, width, height, output);
+			output = new byte[width * height * Unsafe.SizeOf<TOutputColor>()];
+			return DecompressAtcRgba8<TOutputColor, TOutputChannelValue>(input, width, height, output);
 		}
 
-		public static int DecompressAtcRgba8(ReadOnlySpan<byte> input, int width, int height, Span<byte> output)
+		public static int DecompressAtcRgba8<TOutputColor, TOutputChannelValue>(ReadOnlySpan<byte> input, int width, int height, Span<byte> output)
+			where TOutputChannelValue : unmanaged
+			where TOutputColor : unmanaged, IColor<TOutputChannelValue>
 		{
+			ThrowHelper.ThrowIfNotLittleEndian();
+			return DecompressAtcRgba8<TOutputColor, TOutputChannelValue>(input, width, height, MemoryMarshal.Cast<byte, TOutputColor>(output));
+		}
+
+		public static int DecompressAtcRgba8<TOutputColor, TOutputChannelValue>(ReadOnlySpan<byte> input, int width, int height, Span<TOutputColor> output)
+			where TOutputChannelValue : unmanaged
+			where TOutputColor : unmanaged, IColor<TOutputChannelValue>
+		{
+			ThrowHelper.ThrowIfNotEnoughSpace(output.Length, width * height);
 			int bcw = (width + 3) / 4;
 			int bch = (height + 3) / 4;
 			int clen_last = (width + 3) % 4 + 1;
-			Span<uint> buf = stackalloc uint[16];
+			Span<TOutputColor> buf = stackalloc TOutputColor[16];
 			int inputOffset = 0;
 			for (int t = 0; t < bch; t++)
 			{
 				for (int s = 0; s < bcw; s++, inputOffset += 16)
 				{
-					DecodeAtcRgba8Block(input.Slice(inputOffset, 16), buf);
+					DecodeAtcRgba8Block<TOutputColor, TOutputChannelValue>(input.Slice(inputOffset, 16), buf);
 					int clen = s < bcw - 1 ? 4 : clen_last;
 					for (int i = 0, y = t * 4; i < 4 && y < height; i++, y++)
 					{
-						int outputOffset = t * 16 * width + s * 16 + i * width * sizeof(uint);
+						int outputOffset = t * 4 * width + s * 4 + i * width;
 						for (int j = 0; j < clen; j++)
 						{
-							BinaryPrimitives.WriteUInt32LittleEndian(output.Slice(outputOffset + j * sizeof(uint)), buf[j + 4 * i]);
+							output[outputOffset + j] = buf[j + 4 * i];
 						}
 					}
 				}
@@ -68,7 +95,9 @@ namespace AssetRipper.TextureDecoder.Atc
 			return inputOffset;
 		}
 
-		private static void DecodeAtcRgb4Block(ReadOnlySpan<byte> input, Span<uint> output)
+		private static void DecodeAtcRgb4Block<TOutputColor, TOutputChannelValue>(ReadOnlySpan<byte> input, Span<TOutputColor> output)
+			where TOutputChannelValue : unmanaged
+			where TOutputColor : unmanaged, IColor<TOutputChannelValue>
 		{
 			Span<int> colors = stackalloc int[16];
 			int c0 = input.ReadAtOffset<ushort>(0);
@@ -83,12 +112,14 @@ namespace AssetRipper.TextureDecoder.Atc
 				int cb = colors[cidx * 4 + 0];
 				int cg = colors[cidx * 4 + 1];
 				int cr = colors[cidx * 4 + 2];
-				output[i] = Color(cr, cg, cb, 255);
+				output[i].SetConvertedChannels<TOutputColor, TOutputChannelValue, byte>((byte)cr, (byte)cg, (byte)cb, byte.MaxValue);
 				cindex >>= 2;
 			}
 		}
 
-		private static void DecodeAtcRgba8Block(ReadOnlySpan<byte> input, Span<uint> output)
+		private static void DecodeAtcRgba8Block<TOutputColor, TOutputChannelValue>(ReadOnlySpan<byte> input, Span<TOutputColor> output)
+			where TOutputChannelValue : unmanaged
+			where TOutputColor : unmanaged, IColor<TOutputChannelValue>
 		{
 			Span<int> alphas = stackalloc int[16];
 			ulong avalue = BinaryPrimitives.ReadUInt64LittleEndian(input);
@@ -112,7 +143,7 @@ namespace AssetRipper.TextureDecoder.Atc
 				int cr = colors[cidx * 4 + 2];
 				int aidx = unchecked((int)aindex & 7);
 				int ca = alphas[aidx];
-				output[i] = Color(cr, cg, cb, ca);
+				output[i].SetConvertedChannels<TOutputColor, TOutputChannelValue, byte>((byte)cr, (byte)cg, (byte)cb, (byte)ca);
 				cindex >>= 2;
 				aindex >>= 3;
 			}
@@ -121,6 +152,7 @@ namespace AssetRipper.TextureDecoder.Atc
 		[MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
 		private static T ReadAtOffset<T>(this ReadOnlySpan<byte> input, int offset) where T : unmanaged
 		{
+			ThrowHelper.ThrowIfNotLittleEndian();
 			return MemoryMarshal.Read<T>(input.Slice(offset));
 		}
 
@@ -159,9 +191,9 @@ namespace AssetRipper.TextureDecoder.Atc
 				colors[13] = Extend((c1 >> 5) & 0x3F, 6, 8);
 				colors[14] = Extend((c1 >> 11) & 0x1F, 5, 8);
 
-				colors[4] = Math.Max(0, colors[8] - colors[12] / 4);
-				colors[5] = Math.Max(0, colors[9] - colors[13] / 4);
-				colors[6] = Math.Max(0, colors[10] - colors[14] / 4);
+				colors[4] = int.Max(0, colors[8] - colors[12] / 4);
+				colors[5] = int.Max(0, colors[9] - colors[13] / 4);
+				colors[6] = int.Max(0, colors[10] - colors[14] / 4);
 			}
 		}
 
@@ -196,11 +228,5 @@ namespace AssetRipper.TextureDecoder.Atc
 			// bit-pattern replicating scaling (can at most double the bits)
 			return (value << (to - from)) | (value >> (from * 2 - to));
 		}
-
-		[MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
-		private static uint Color(int r, int g, int b, int a)
-		{
-			return unchecked((uint)(r << 16 | g << 8 | b | a << 24));
-		}
 	}
 }

AssetRipper.TextureDecoder/Bc/Bc1.cs

@@ -9,26 +9,56 @@ public static class Bc1
 	/// The size of an encoded block, in bytes.
 	/// </summary>
 	public const int BlockSize = 8;
+	/// <summary>
+	/// The width of a decoded block, in pixels.
+	/// </summary>
+	private const int BlockWidth = 4;
+	/// <summary>
+	/// The height of a decoded block, in pixels.
+	/// </summary>
+	private const int BlockHeight = 4;
+	/// <summary>
+	/// The size of the natural pixel type.
+	/// </summary>
+	private static int PixelSize => Unsafe.SizeOf<ColorRGBA<byte>>();
+	/// <summary>
+	/// The size of a decoded block, in bytes.
+	/// </summary>
+	internal static int DecodedBlockSize => BlockWidth * BlockHeight * PixelSize;
 
-	public static int Decompress(ReadOnlySpan<byte> input, int width, int height, out byte[] output)
+	public static int Decompress<TOutputColor, TOutputChannelValue>(ReadOnlySpan<byte> input, int width, int height, out byte[] output)
+		where TOutputChannelValue : unmanaged
+		where TOutputColor : unmanaged, IColor<TOutputChannelValue>
 	{
-		output = new byte[width * height * Unsafe.SizeOf<ColorBGRA32>()];
-		return Decompress(input, width, height, output);
+		output = new byte[width * height * Unsafe.SizeOf<TOutputColor>()];
+		return Decompress<TOutputColor, TOutputChannelValue>(input, width, height, output);
 	}
 
-	public static int Decompress(ReadOnlySpan<byte> input, int width, int height, Span<byte> output)
+	public static int Decompress<TOutputColor, TOutputChannelValue>(ReadOnlySpan<byte> input, int width, int height, Span<byte> output)
+		where TOutputChannelValue : unmanaged
+		where TOutputColor : unmanaged, IColor<TOutputChannelValue>
 	{
+		ThrowHelper.ThrowIfNotLittleEndian();
+		return Decompress<TOutputColor, TOutputChannelValue>(input, width, height, MemoryMarshal.Cast<byte, TOutputColor>(output));
+	}
+
+	public static int Decompress<TOutputColor, TOutputChannelValue>(ReadOnlySpan<byte> input, int width, int height, Span<TOutputColor> output)
+		where TOutputChannelValue : unmanaged
+		where TOutputColor : unmanaged, IColor<TOutputChannelValue>
+	{
+		ThrowHelper.ThrowIfNotLittleEndian();
+		ThrowHelper.ThrowIfNotEnoughSpace(output.Length, width * height);
+		Span<byte> buffer = stackalloc byte[DecodedBlockSize];
 		int inputOffset = 0;
-		for (int i = 0; i < height; i += 4)
+		for (int i = 0; i < height; i += BlockHeight)
 		{
-			for (int j = 0; j < width; j += 4)
+			for (int j = 0; j < width; j += BlockWidth)
 			{
-				int outputOffset = ((i * width) + j) * Unsafe.SizeOf<ColorRGBA<byte>>();
-				BcHelpers.DecompressBc1(input.Slice(inputOffset, BlockSize), output.Slice(outputOffset), width * 4);
+				BcHelpers.DecompressBc1(input.Slice(inputOffset, BlockSize), buffer);
+				BcHelpers.CopyBufferToOutput<ColorRGBA<byte>, byte, TOutputColor, TOutputChannelValue>(MemoryMarshal.Cast<byte, ColorRGBA<byte>>(buffer), output, width, height, j, i, BlockWidth, BlockHeight);
 				inputOffset += BlockSize;
 			}
 		}
-		RgbConverter.Convert<ColorRGBA<byte>, byte, ColorBGRA32, byte>(output, width, height, output);
 		return inputOffset;
 	}
 

AssetRipper.TextureDecoder/Bc/Bc2.cs

@@ -9,26 +9,56 @@ public static class Bc2
 	/// The size of an encoded block, in bytes.
 	/// </summary>
 	public const int BlockSize = 16;
+	/// <summary>
+	/// The width of a decoded block, in pixels.
+	/// </summary>
+	private const int BlockWidth = 4;
+	/// <summary>
+	/// The height of a decoded block, in pixels.
+	/// </summary>
+	private const int BlockHeight = 4;
+	/// <summary>
+	/// The size of the natural pixel type.
+	/// </summary>
+	private static int PixelSize => Unsafe.SizeOf<ColorRGBA<byte>>();
+	/// <summary>
+	/// The size of a decoded block, in bytes.
+	/// </summary>
+	internal static int DecodedBlockSize => BlockWidth * BlockHeight * PixelSize;
 
-	public static int Decompress(ReadOnlySpan<byte> input, int width, int height, out byte[] output)
+	public static int Decompress<TOutputColor, TOutputChannelValue>(ReadOnlySpan<byte> input, int width, int height, out byte[] output)
+		where TOutputChannelValue : unmanaged
+		where TOutputColor : unmanaged, IColor<TOutputChannelValue>
 	{
-		output = new byte[width * height * Unsafe.SizeOf<ColorBGRA32>()];
-		return Decompress(input, width, height, output);
+		output = new byte[width * height * Unsafe.SizeOf<TOutputColor>()];
+		return Decompress<TOutputColor, TOutputChannelValue>(input, width, height, output);
 	}
 
-	public static int Decompress(ReadOnlySpan<byte> input, int width, int height, Span<byte> output)
+	public static int Decompress<TOutputColor, TOutputChannelValue>(ReadOnlySpan<byte> input, int width, int height, Span<byte> output)
+		where TOutputChannelValue : unmanaged
+		where TOutputColor : unmanaged, IColor<TOutputChannelValue>
 	{
+		ThrowHelper.ThrowIfNotLittleEndian();
+		return Decompress<TOutputColor, TOutputChannelValue>(input, width, height, MemoryMarshal.Cast<byte, TOutputColor>(output));
+	}
+
+	public static int Decompress<TOutputColor, TOutputChannelValue>(ReadOnlySpan<byte> input, int width, int height, Span<TOutputColor> output)
+		where TOutputChannelValue : unmanaged
+		where TOutputColor : unmanaged, IColor<TOutputChannelValue>
+	{
+		ThrowHelper.ThrowIfNotLittleEndian();
+		ThrowHelper.ThrowIfNotEnoughSpace(output.Length, width * height);
+		Span<byte> buffer = stackalloc byte[DecodedBlockSize];
 		int inputOffset = 0;
-		for (int i = 0; i < height; i += 4)
+		for (int i = 0; i < height; i += BlockHeight)
 		{
-			for (int j = 0; j < width; j += 4)
+			for (int j = 0; j < width; j += BlockWidth)
 			{
-				int outputOffset = ((i * width) + j) * Unsafe.SizeOf<ColorRGBA<byte>>();
-				BcHelpers.DecompressBc2(input.Slice(inputOffset), output.Slice(outputOffset), width * 4);
+				BcHelpers.DecompressBc2(input.Slice(inputOffset, BlockSize), buffer);
+				BcHelpers.CopyBufferToOutput<ColorRGBA<byte>, byte, TOutputColor, TOutputChannelValue>(MemoryMarshal.Cast<byte, ColorRGBA<byte>>(buffer), output, width, height, j, i, BlockWidth, BlockHeight);
 				inputOffset += BlockSize;
 			}
 		}
-		RgbConverter.Convert<ColorRGBA<byte>, byte, ColorBGRA32, byte>(output, width, height, output);
 		return inputOffset;
 	}
 

AssetRipper.TextureDecoder/Bc/Bc3.cs

@@ -9,26 +9,56 @@ public static class Bc3
 	/// The size of an encoded block, in bytes.
 	/// </summary>
 	public const int BlockSize = 16;
+	/// <summary>
+	/// The width of a decoded block, in pixels.
+	/// </summary>
+	private const int BlockWidth = 4;
+	/// <summary>
+	/// The height of a decoded block, in pixels.
+	/// </summary>
+	private const int BlockHeight = 4;
+	/// <summary>
+	/// The size of the natural pixel type.
+	/// </summary>
+	private static int PixelSize => Unsafe.SizeOf<ColorRGBA<byte>>();
+	/// <summary>
+	/// The size of a decoded block, in bytes.
+	/// </summary>
+	internal static int DecodedBlockSize => BlockWidth * BlockHeight * PixelSize;
 
-	public static int Decompress(ReadOnlySpan<byte> input, int width, int height, out byte[] output)
+	public static int Decompress<TOutputColor, TOutputChannelValue>(ReadOnlySpan<byte> input, int width, int height, out byte[] output)
+		where TOutputChannelValue : unmanaged
+		where TOutputColor : unmanaged, IColor<TOutputChannelValue>
 	{
-		output = new byte[width * height * Unsafe.SizeOf<ColorBGRA32>()];
-		return Decompress(input, width, height, output);
+		output = new byte[width * height * Unsafe.SizeOf<TOutputColor>()];
+		return Decompress<TOutputColor, TOutputChannelValue>(input, width, height, output);
 	}
 
-	public static int Decompress(ReadOnlySpan<byte> input, int width, int height, Span<byte> output)
+	public static int Decompress<TOutputColor, TOutputChannelValue>(ReadOnlySpan<byte> input, int width, int height, Span<byte> output)
+		where TOutputChannelValue : unmanaged
+		where TOutputColor : unmanaged, IColor<TOutputChannelValue>
 	{
+		ThrowHelper.ThrowIfNotLittleEndian();
+		return Decompress<TOutputColor, TOutputChannelValue>(input, width, height, MemoryMarshal.Cast<byte, TOutputColor>(output));
+	}
+
+	public static int Decompress<TOutputColor, TOutputChannelValue>(ReadOnlySpan<byte> input, int width, int height, Span<TOutputColor> output)
+		where TOutputChannelValue : unmanaged
+		where TOutputColor : unmanaged, IColor<TOutputChannelValue>
+	{
+		ThrowHelper.ThrowIfNotLittleEndian();
+		ThrowHelper.ThrowIfNotEnoughSpace(output.Length, width * height);
+		Span<byte> buffer = stackalloc byte[DecodedBlockSize];
 		int inputOffset = 0;
-		for (int i = 0; i < height; i += 4)
+		for (int i = 0; i < height; i += BlockHeight)
 		{
-			for (int j = 0; j < width; j += 4)
+			for (int j = 0; j < width; j += BlockWidth)
 			{
-				int outputOffset = ((i * width) + j) * Unsafe.SizeOf<ColorRGBA<byte>>();
-				BcHelpers.DecompressBc3(input.Slice(inputOffset), output.Slice(outputOffset), width * 4);
+				BcHelpers.DecompressBc3(input.Slice(inputOffset, BlockSize), buffer);
+				BcHelpers.CopyBufferToOutput<ColorRGBA<byte>, byte, TOutputColor, TOutputChannelValue>(MemoryMarshal.Cast<byte, ColorRGBA<byte>>(buffer), output, width, height, j, i, BlockWidth, BlockHeight);
 				inputOffset += BlockSize;
 			}
 		}
-		RgbConverter.Convert<ColorRGBA<byte>, byte, ColorBGRA32, byte>(output, width, height, output);
 		return inputOffset;
 	}
 

AssetRipper.TextureDecoder/Bc/Bc4.cs

@@ -10,30 +10,56 @@ public static class Bc4
 	/// The size of an encoded block, in bytes.
 	/// </summary>
 	public const int BlockSize = 8;
+	/// <summary>
+	/// The width of a decoded block, in pixels.
+	/// </summary>
+	private const int BlockWidth = 4;
+	/// <summary>
+	/// The height of a decoded block, in pixels.
+	/// </summary>
+	private const int BlockHeight = 4;
+	/// <summary>
+	/// The size of the natural pixel type.
+	/// </summary>
+	private static int PixelSize => Unsafe.SizeOf<ColorR<byte>>();
+	/// <summary>
+	/// The size of a decoded block, in bytes.
+	/// </summary>
+	internal static int DecodedBlockSize => BlockWidth * BlockHeight * PixelSize;
 
-	public static int Decompress(ReadOnlySpan<byte> input, int width, int height, out byte[] output)
+	public static int Decompress<TOutputColor, TOutputChannelValue>(ReadOnlySpan<byte> input, int width, int height, out byte[] output)
+		where TOutputChannelValue : unmanaged
+		where TOutputColor : unmanaged, IColor<TOutputChannelValue>
 	{
-		output = new byte[width * height * Unsafe.SizeOf<ColorBGRA32>()];
-		return Decompress(input, width, height, output);
+		output = new byte[width * height * Unsafe.SizeOf<TOutputColor>()];
+		return Decompress<TOutputColor, TOutputChannelValue>(input, width, height, output);
 	}
 
-	public static int Decompress(ReadOnlySpan<byte> input, int width, int height, Span<byte> output)
+	public static int Decompress<TOutputColor, TOutputChannelValue>(ReadOnlySpan<byte> input, int width, int height, Span<byte> output)
+		where TOutputChannelValue : unmanaged
+		where TOutputColor : unmanaged, IColor<TOutputChannelValue>
 	{
-		int bufferSize = width * height * Unsafe.SizeOf<ColorR<byte>>();
-		byte[] bufferArray = ArrayPool<byte>.Shared.Rent(bufferSize);
-		Span<byte> buffer = new Span<byte>(bufferArray, 0, bufferSize);
+		ThrowHelper.ThrowIfNotLittleEndian();
+		return Decompress<TOutputColor, TOutputChannelValue>(input, width, height, MemoryMarshal.Cast<byte, TOutputColor>(output));
+	}
+
+	public static int Decompress<TOutputColor, TOutputChannelValue>(ReadOnlySpan<byte> input, int width, int height, Span<TOutputColor> output)
+		where TOutputChannelValue : unmanaged
+		where TOutputColor : unmanaged, IColor<TOutputChannelValue>
+	{
+		ThrowHelper.ThrowIfNotLittleEndian();
+		ThrowHelper.ThrowIfNotEnoughSpace(output.Length, width * height);
+		Span<byte> buffer = stackalloc byte[DecodedBlockSize];
 		int inputOffset = 0;
-		for (int i = 0; i < height; i += 4)
+		for (int i = 0; i < height; i += BlockHeight)
 		{
-			for (int j = 0; j < width; j += 4)
+			for (int j = 0; j < width; j += BlockWidth)
 			{
-				int bufferOffset = ((i * width) + j) * Unsafe.SizeOf<ColorR<byte>>();
-				BcHelpers.DecompressBc4(input.Slice(inputOffset), buffer.Slice(bufferOffset), width);
+				BcHelpers.DecompressBc4(input.Slice(inputOffset, BlockSize), buffer);
+				BcHelpers.CopyBufferToOutput<ColorR<byte>, byte, TOutputColor, TOutputChannelValue>(MemoryMarshal.Cast<byte, ColorR<byte>>(buffer), output, width, height, j, i, BlockWidth, BlockHeight);
 				inputOffset += BlockSize;
 			}
 		}
-		RgbConverter.Convert<ColorR<byte>, byte, ColorBGRA32, byte>(buffer, width, height, output);
-		ArrayPool<byte>.Shared.Return(bufferArray);
 		return inputOffset;
 	}
 

AssetRipper.TextureDecoder/Bc/Bc5.cs

@@ -10,30 +10,56 @@ public static class Bc5
 	/// The size of an encoded block, in bytes.
 	/// </summary>
 	public const int BlockSize = 16;
+	/// <summary>
+	/// The width of a decoded block, in pixels.
+	/// </summary>
+	private const int BlockWidth = 4;
+	/// <summary>
+	/// The height of a decoded block, in pixels.
+	/// </summary>
+	private const int BlockHeight = 4;
+	/// <summary>
+	/// The size of the natural pixel type.
+	/// </summary>
+	private static int PixelSize => Unsafe.SizeOf<ColorRG<byte>>();
+	/// <summary>
+	/// The size of a decoded block, in bytes.
+	/// </summary>
+	internal static int DecodedBlockSize => BlockWidth * BlockHeight * PixelSize;
 
-	public static int Decompress(ReadOnlySpan<byte> input, int width, int height, out byte[] output)
+	public static int Decompress<TOutputColor, TOutputChannelValue>(ReadOnlySpan<byte> input, int width, int height, out byte[] output)
+		where TOutputChannelValue : unmanaged
+		where TOutputColor : unmanaged, IColor<TOutputChannelValue>
 	{
-		output = new byte[width * height * Unsafe.SizeOf<ColorBGRA32>()];
-		return Decompress(input, width, height, output);
+		output = new byte[width * height * Unsafe.SizeOf<TOutputColor>()];
+		return Decompress<TOutputColor, TOutputChannelValue>(input, width, height, output);
 	}
 
-	public static int Decompress(ReadOnlySpan<byte> input, int width, int height, Span<byte> output)
+	public static int Decompress<TOutputColor, TOutputChannelValue>(ReadOnlySpan<byte> input, int width, int height, Span<byte> output)
+		where TOutputChannelValue : unmanaged
+		where TOutputColor : unmanaged, IColor<TOutputChannelValue>
 	{
-		int bufferSize = width * height * Unsafe.SizeOf<ColorRG<byte>>();
-		byte[] bufferArray = ArrayPool<byte>.Shared.Rent(bufferSize);
-		Span<byte> buffer = new Span<byte>(bufferArray, 0, bufferSize);
+		ThrowHelper.ThrowIfNotLittleEndian();
+		return Decompress<TOutputColor, TOutputChannelValue>(input, width, height, MemoryMarshal.Cast<byte, TOutputColor>(output));
+	}
+
+	public static int Decompress<TOutputColor, TOutputChannelValue>(ReadOnlySpan<byte> input, int width, int height, Span<TOutputColor> output)
+		where TOutputChannelValue : unmanaged
+		where TOutputColor : unmanaged, IColor<TOutputChannelValue>
+	{
+		ThrowHelper.ThrowIfNotLittleEndian();
+		ThrowHelper.ThrowIfNotEnoughSpace(output.Length, width * height);
+		Span<byte> buffer = stackalloc byte[DecodedBlockSize];
 		int inputOffset = 0;
-		for (int i = 0; i < height; i += 4)
+		for (int i = 0; i < height; i += BlockHeight)
 		{
-			for (int j = 0; j < width; j += 4)
+			for (int j = 0; j < width; j += BlockWidth)
 			{
-				int bufferOffset = ((i * width) + j) * Unsafe.SizeOf<ColorRG<byte>>();
-				BcHelpers.DecompressBc5(input.Slice(inputOffset), buffer.Slice(bufferOffset), width * 2);
+				BcHelpers.DecompressBc5(input.Slice(inputOffset, BlockSize), buffer);
+				BcHelpers.CopyBufferToOutput<ColorRG<byte>, byte, TOutputColor, TOutputChannelValue>(MemoryMarshal.Cast<byte, ColorRG<byte>>(buffer), output, width, height, j, i, BlockWidth, BlockHeight);
 				inputOffset += BlockSize;
 			}
 		}
-		RgbConverter.Convert<ColorRG<byte>, byte, ColorBGRA32, byte>(buffer, width, height, output);
-		ArrayPool<byte>.Shared.Return(bufferArray);
 		return inputOffset;
 	}
 

AssetRipper.TextureDecoder/Bc/Bc6h.cs

@@ -10,34 +10,56 @@ public static class Bc6h
 	/// The size of an encoded block, in bytes.
 	/// </summary>
 	public const int BlockSize = 16;
+	/// <summary>
+	/// The width of a decoded block, in pixels.
+	/// </summary>
+	private const int BlockWidth = 4;
+	/// <summary>
+	/// The height of a decoded block, in pixels.
+	/// </summary>
+	private const int BlockHeight = 4;
+	/// <summary>
+	/// The size of the natural pixel type.
+	/// </summary>
+	private static int PixelSize => Unsafe.SizeOf<ColorRGB<Half>>();
+	/// <summary>
+	/// The size of a decoded block, in bytes.
+	/// </summary>
+	internal static int DecodedBlockSize => BlockWidth * BlockHeight * PixelSize;
 
-	public static int Decompress(ReadOnlySpan<byte> input, int width, int height, bool isSigned, out byte[] output)
+	public static int Decompress<TOutputColor, TOutputChannelValue>(ReadOnlySpan<byte> input, int width, int height, bool isSigned, out byte[] output)
+		where TOutputChannelValue : unmanaged
+		where TOutputColor : unmanaged, IColor<TOutputChannelValue>
 	{
-		output = new byte[width * height * Unsafe.SizeOf<ColorBGRA32>()];
-		return Decompress(input, width, height, isSigned, output);
+		output = new byte[width * height * Unsafe.SizeOf<TOutputColor>()];
+		return Decompress<TOutputColor, TOutputChannelValue>(input, width, height, isSigned, output);
 	}
 
-	public static int Decompress(ReadOnlySpan<byte> input, int width, int height, bool isSigned, Span<byte> output)
+	public static int Decompress<TOutputColor, TOutputChannelValue>(ReadOnlySpan<byte> input, int width, int height, bool isSigned, Span<byte> output)
+		where TOutputChannelValue : unmanaged
+		where TOutputColor : unmanaged, IColor<TOutputChannelValue>
 	{
-		int bufferSize = width * height * Unsafe.SizeOf<ColorRGB<Half>>();
-		byte[] bufferArray = ArrayPool<byte>.Shared.Rent(bufferSize);
-		Span<byte> buffer = new Span<byte>(bufferArray, 0, bufferSize);
+		ThrowHelper.ThrowIfNotLittleEndian();
+		return Decompress<TOutputColor, TOutputChannelValue>(input, width, height, isSigned, MemoryMarshal.Cast<byte, TOutputColor>(output));
+	}
+
+	public static int Decompress<TOutputColor, TOutputChannelValue>(ReadOnlySpan<byte> input, int width, int height, bool isSigned, Span<TOutputColor> output)
+		where TOutputChannelValue : unmanaged
+		where TOutputColor : unmanaged, IColor<TOutputChannelValue>
+	{
+		ThrowHelper.ThrowIfNotLittleEndian();
+		ThrowHelper.ThrowIfNotEnoughSpace(output.Length, width * height);
+		Span<byte> buffer = stackalloc byte[DecodedBlockSize];
 		int inputOffset = 0;
-		for (int i = 0; i < height; i += 4)
+		for (int i = 0; i < height; i += BlockHeight)
 		{
-			for (int j = 0; j < width; j += 4)
+			for (int j = 0; j < width; j += BlockWidth)
 			{
-				int outputOffset = ((i * width) + j) * Unsafe.SizeOf<ColorRGB<Half>>();
-				BcHelpers.DecompressBc6h(
-					input.Slice(inputOffset, BlockSize),
-					buffer.Slice(outputOffset),
-					width * 3,
-					isSigned);
+				BcHelpers.DecompressBc6h(input.Slice(inputOffset, BlockSize), buffer, isSigned);
+				BcHelpers.CopyBufferToOutput<ColorRGB<Half>, Half, TOutputColor, TOutputChannelValue>(MemoryMarshal.Cast<byte, ColorRGB<Half>>(buffer), output, width, height, j, i, BlockWidth, BlockHeight);
 				inputOffset += BlockSize;
 			}
 		}
-		RgbConverter.Convert<ColorRGB<Half>, Half, ColorBGRA32, byte>(buffer, width, height, output);
-		ArrayPool<byte>.Shared.Return(bufferArray);
 		return inputOffset;
 	}
 

AssetRipper.TextureDecoder/Bc/Bc7.cs

@@ -21,29 +21,44 @@ public static class Bc7
 	/// The size of the natural pixel type.
 	/// </summary>
 	private static int PixelSize => Unsafe.SizeOf<ColorRGBA<byte>>();
+	/// <summary>
+	/// The size of a decoded block, in bytes.
+	/// </summary>
+	internal static int DecodedBlockSize => BlockWidth * BlockHeight * PixelSize;
 
-	public static int Decompress(ReadOnlySpan<byte> input, int width, int height, out byte[] output)
+	public static int Decompress<TOutputColor, TOutputChannelValue>(ReadOnlySpan<byte> input, int width, int height, out byte[] output)
+		where TOutputChannelValue : unmanaged
+		where TOutputColor : unmanaged, IColor<TOutputChannelValue>
 	{
-		output = new byte[width * height * Unsafe.SizeOf<ColorBGRA32>()];
-		return Decompress(input, width, height, output);
+		output = new byte[width * height * Unsafe.SizeOf<TOutputColor>()];
+		return Decompress<TOutputColor, TOutputChannelValue>(input, width, height, output);
 	}
 
-	public static int Decompress(ReadOnlySpan<byte> input, int width, int height, Span<byte> output)
+	public static int Decompress<TOutputColor, TOutputChannelValue>(ReadOnlySpan<byte> input, int width, int height, Span<byte> output)
+		where TOutputChannelValue : unmanaged
+		where TOutputColor : unmanaged, IColor<TOutputChannelValue>
 	{
+		ThrowHelper.ThrowIfNotLittleEndian();
+		return Decompress<TOutputColor, TOutputChannelValue>(input, width, height, MemoryMarshal.Cast<byte, TOutputColor>(output));
+	}
+
+	public static int Decompress<TOutputColor, TOutputChannelValue>(ReadOnlySpan<byte> input, int width, int height, Span<TOutputColor> output)
+		where TOutputChannelValue : unmanaged
+		where TOutputColor : unmanaged, IColor<TOutputChannelValue>
+	{
+		ThrowHelper.ThrowIfNotLittleEndian();
+		ThrowHelper.ThrowIfNotEnoughSpace(output.Length, width * height);
+		Span<byte> buffer = stackalloc byte[DecodedBlockSize];
 		int inputOffset = 0;
 		for (int i = 0; i < height; i += BlockHeight)
 		{
 			for (int j = 0; j < width; j += BlockWidth)
 			{
-				int outputOffset = ((i * width) + j) * PixelSize;
-				BcHelpers.DecompressBc7(
-					input.Slice(inputOffset, BlockSize),
-					output.Slice(outputOffset),
-					width * 4);
+				BcHelpers.DecompressBc7(input.Slice(inputOffset, BlockSize), buffer);
+				BcHelpers.CopyBufferToOutput<ColorRGBA<byte>, byte, TOutputColor, TOutputChannelValue>(MemoryMarshal.Cast<byte, ColorRGBA<byte>>(buffer), output, width, height, j, i, BlockWidth, BlockHeight);
 				inputOffset += BlockSize;
 			}
 		}
-		RgbConverter.Convert<ColorRGBA<byte>, byte, ColorBGRA32, byte>(output, width, height, output);
 		return inputOffset;
 	}
 

AssetRipper.TextureDecoder/Bc/BcHelpers.cs

@@ -1,39 +1,53 @@
-using System.Buffers.Binary;
+using AssetRipper.TextureDecoder.Rgb;
+using System.Buffers.Binary;
+using System.Diagnostics;
 
 namespace AssetRipper.TextureDecoder.Bc;
 
 internal static class BcHelpers
 {
-	public static void DecompressBc1(ReadOnlySpan<byte> compressedBlock, Span<byte> decompressedBlock, int destinationPitch)
+	public static void DecompressBc1(ReadOnlySpan<byte> compressedBlock, Span<byte> decompressedBlock)
 	{
+		Debug.Assert(decompressedBlock.Length == Bc1.DecodedBlockSize);
+		int destinationPitch = 4 * 4;
 		ColorBlock(compressedBlock, decompressedBlock, destinationPitch, 0);
 	}
 
-	public static void DecompressBc2(ReadOnlySpan<byte> compressedBlock, Span<byte> decompressedBlock, int destinationPitch)
+	public static void DecompressBc2(ReadOnlySpan<byte> compressedBlock, Span<byte> decompressedBlock)
 	{
+		Debug.Assert(decompressedBlock.Length == Bc2.DecodedBlockSize);
+		int destinationPitch = 4 * 4;
 		ColorBlock(compressedBlock.Slice(8), decompressedBlock, destinationPitch, 1);
 		SharpAlphaBlock(compressedBlock, decompressedBlock.Slice(3), destinationPitch);
 	}
 
-	public static void DecompressBc3(ReadOnlySpan<byte> compressedBlock, Span<byte> decompressedBlock, int destinationPitch)
+	public static void DecompressBc3(ReadOnlySpan<byte> compressedBlock, Span<byte> decompressedBlock)
 	{
+		Debug.Assert(decompressedBlock.Length == Bc3.DecodedBlockSize);
+		int destinationPitch = 4 * 4;
 		ColorBlock(compressedBlock.Slice(8), decompressedBlock, destinationPitch, 1);
 		SmoothAlphaBlock(compressedBlock, decompressedBlock.Slice(3), destinationPitch, 4);
 	}
 
-	public static void DecompressBc4(ReadOnlySpan<byte> compressedBlock, Span<byte> decompressedBlock, int destinationPitch)
+	public static void DecompressBc4(ReadOnlySpan<byte> compressedBlock, Span<byte> decompressedBlock)
 	{
+		Debug.Assert(decompressedBlock.Length == Bc4.DecodedBlockSize);
+		int destinationPitch = 4 * 1;
 		SmoothAlphaBlock(compressedBlock, decompressedBlock, destinationPitch, 1);
 	}
 
-	public static void DecompressBc5(ReadOnlySpan<byte> compressedBlock, Span<byte> decompressedBlock, int destinationPitch)
+	public static void DecompressBc5(ReadOnlySpan<byte> compressedBlock, Span<byte> decompressedBlock)
 	{
+		Debug.Assert(decompressedBlock.Length == Bc5.DecodedBlockSize);
+		int destinationPitch = 4 * 2;
 		SmoothAlphaBlock(compressedBlock, decompressedBlock, destinationPitch, 2);
 		SmoothAlphaBlock(compressedBlock.Slice(8), decompressedBlock.Slice(1), destinationPitch, 2);
 	}
 
-	public static void DecompressBc6h(ReadOnlySpan<byte> compressedBlock, Span<byte> decompressedBlock, int destinationPitch, bool isSigned)
+	public static void DecompressBc6h(ReadOnlySpan<byte> compressedBlock, Span<byte> decompressedBlock, bool isSigned)
 	{
+		Debug.Assert(decompressedBlock.Length == Bc6h.DecodedBlockSize);
+
 		BitStream bstream = new(compressedBlock);
 		Span<uint> r = stackalloc uint[4]; // wxyz
 		Span<uint> g = stackalloc uint[4];
@@ -448,15 +462,7 @@ internal static class BcHelpers
 					// Do not use these in your encoder. If the hardware is passed blocks
 					// with one of these modes specified, the resulting decompressed block
 					// must contain all zeroes in all channels except for the alpha channel.
-					for (int i = 0; i < 4; ++i)
-					{
-						for (int j = 0; j < 4; ++j)
-						{
-							Span<byte> pixel = decompressedBlock.Slice(decompressedOffset + (j * 3 * sizeof(ushort)), 3 * sizeof(ushort));
-							pixel.Clear();
-						}
-						decompressedOffset += destinationPitch * sizeof(ushort);
-					}
+					decompressedBlock.Clear();
 
 					return;
 				}
@@ -535,7 +541,7 @@ internal static class BcHelpers
 				BinaryPrimitives.WriteUInt16LittleEndian(decompressedBlock.Slice(bOffset), bFinal);
 			}
 
-			decompressedOffset += destinationPitch * sizeof(ushort);
+			decompressedOffset += 4 * 3 * sizeof(ushort);
 		}
 
 		static uint ReadBc6hModeBits(ref BitStream bstream)
@@ -553,30 +559,20 @@ internal static class BcHelpers
 		}
 	}
 
-	public static void DecompressBc7(ReadOnlySpan<byte> compressedBlock, Span<byte> decompressedBlock, int destinationPitch)
+	public static void DecompressBc7(ReadOnlySpan<byte> compressedBlock, Span<byte> decompressedBlock)
 	{
+		Debug.Assert(decompressedBlock.Length == Bc7.DecodedBlockSize);
+
 		BitStream bstream = new(compressedBlock);
 		Span2D<uint> endpoints = new(stackalloc uint[6 * 4], 6, 4);
 		Span2D<int> indices = new(stackalloc int[4 * 4], 4, 4);
 
-		int decompressedOffset = 0;
-
 		int mode = ReadBc7Mode(ref bstream);
 
 		// unexpected mode, clear the block (transparent black)
 		if (mode >= 8)
 		{
-			for (int i = 0; i < 4; ++i)
-			{
-				for (int j = 0; j < 4; ++j)
-				{
-					decompressedBlock[decompressedOffset + (j * 4) + 0] = 0;
-					decompressedBlock[decompressedOffset + (j * 4) + 1] = 0;
-					decompressedBlock[decompressedOffset + (j * 4) + 2] = 0;
-					decompressedBlock[decompressedOffset + (j * 4) + 3] = 0;
-				}
-				decompressedOffset += destinationPitch;
-			}
+			decompressedBlock.Clear();
 
 			return;
 		}
@@ -814,13 +810,12 @@ internal static class BcHelpers
 						break;
 				}
 
-				decompressedBlock[decompressedOffset + (j * 4) + 0] = (byte)r;
-				decompressedBlock[decompressedOffset + (j * 4) + 1] = (byte)g;
-				decompressedBlock[decompressedOffset + (j * 4) + 2] = (byte)b;
-				decompressedBlock[decompressedOffset + (j * 4) + 3] = (byte)a;
+				int offset = (i * 16) + (j * 4);
+				decompressedBlock[offset + 0] = (byte)r;
+				decompressedBlock[offset + 1] = (byte)g;
+				decompressedBlock[offset + 2] = (byte)b;
+				decompressedBlock[offset + 3] = (byte)a;
 			}
-
-			decompressedOffset += destinationPitch;
 		}
 
 		static int ReadBc7Mode(ref BitStream bstream)
@@ -1096,4 +1091,26 @@ internal static class BcHelpers
 	{
 		(a, b) = (b, a);
 	}
+
+	/// <summary>
+	/// This is for copying a decoded block to the output buffer. It handles the pitch and non-4x4 blocks (if necessary).
+	/// </summary>
+	public static void CopyBufferToOutput<TBufferColor, TBufferChannelValue, TOutputColor, TOutputChannelValue>(Span<TBufferColor> buffer, Span<TOutputColor> output, int width, int height, int w, int h, int blockWidth, int blockHeight)
+		where TBufferChannelValue : unmanaged
+		where TBufferColor : unmanaged, IColor<TBufferChannelValue>
+		where TOutputChannelValue : unmanaged
+		where TOutputColor : unmanaged, IColor<TOutputChannelValue>
+	{
+		int hEnd = int.Min(h + blockHeight, height);
+		int wEnd = int.Min(w + blockWidth, width);
+		for (int i = h; i < hEnd; i++)
+		{
+			int outputOffset = i * width;
+			int bufferOffset = (i - h) * blockWidth;
+			for (int j = w; j < wEnd; j++)
+			{
+				output[outputOffset + j] = buffer[bufferOffset + (j - w)].Convert<TBufferColor, TBufferChannelValue, TOutputColor, TOutputChannelValue>();
+			}
+		}
+	}
 }

AssetRipper.TextureDecoder/Dxt/DxtDecoder.cs

@@ -6,32 +6,6 @@ namespace AssetRipper.TextureDecoder.Dxt
 {
 	public static class DxtDecoder
 	{
-		/// <summary>
-		/// Decompress a DXT1 image
-		/// </summary>
-		/// <param name="input">Input buffer containing the compressed image.</param>
-		/// <param name="width">Pixel width of the image.</param>
-		/// <param name="height">Pixel height of the image.</param>
-		/// <param name="output">An output buffer of size 4 * width * height.</param>
-		/// <returns>Number of bytes read from <paramref name="input"/></returns>
-		public static int DecompressDXT1(ReadOnlySpan<byte> input, int width, int height, out byte[] output)
-		{
-			return DecompressDXT1<ColorBGRA32, byte>(input, width, height, out output);
-		}
-
-		/// <summary>
-		/// Decompress a DXT1 image
-		/// </summary>
-		/// <param name="input">Input buffer containing the compressed image.</param>
-		/// <param name="width">Pixel width of the image.</param>
-		/// <param name="height">Pixel height of the image.</param>
-		/// <param name="output">An output buffer. Must be at least 4 * width * height.</param>
-		/// <returns>Number of bytes read from <paramref name="input"/></returns>
-		public static int DecompressDXT1(ReadOnlySpan<byte> input, int width, int height, Span<byte> output)
-		{
-			return DecompressDXT1<ColorBGRA32, byte>(input, width, height, output);
-		}
-
 		/// <summary>
 		/// Decompress a DXT1 image
 		/// </summary>
@@ -64,6 +38,7 @@ namespace AssetRipper.TextureDecoder.Dxt
 			where TOutputChannelValue : unmanaged
 			where TOutputColor : unmanaged, IColor<TOutputChannelValue>
 		{
+			ThrowHelper.ThrowIfNotLittleEndian();
 			return DecompressDXT1<TOutputColor, TOutputChannelValue>(input, width, height, MemoryMarshal.Cast<byte, TOutputColor>(output));
 		}
 
@@ -127,32 +102,6 @@ namespace AssetRipper.TextureDecoder.Dxt
 			return offset;
 		}
 
-		/// <summary>
-		/// Decompress a DXT3 image
-		/// </summary>
-		/// <param name="input">Input buffer containing the compressed image.</param>
-		/// <param name="width">Pixel width of the image.</param>
-		/// <param name="height">Pixel height of the image.</param>
-		/// <param name="output">An output buffer of size 4 * width * height.</param>
-		/// <returns>Number of bytes read from <paramref name="input"/></returns>
-		public static int DecompressDXT3(ReadOnlySpan<byte> input, int width, int height, out byte[] output)
-		{
-			return DecompressDXT3<ColorBGRA32, byte>(input, width, height, out output);
-		}
-
-		/// <summary>
-		/// Decompress a DXT3 image
-		/// </summary>
-		/// <param name="input">Input buffer containing the compressed image.</param>
-		/// <param name="width">Pixel width of the image.</param>
-		/// <param name="height">Pixel height of the image.</param>
-		/// <param name="output">An output buffer. Must be at least 4 * width * height.</param>
-		/// <returns>Number of bytes read from <paramref name="input"/></returns>
-		public static int DecompressDXT3(ReadOnlySpan<byte> input, int width, int height, Span<byte> output)
-		{
-			return DecompressDXT3<ColorBGRA32, byte>(input, width, height, output);
-		}
-
 		/// <summary>
 		/// Decompress a DXT3 image
 		/// </summary>
@@ -185,6 +134,7 @@ namespace AssetRipper.TextureDecoder.Dxt
 			where TOutputChannelValue : unmanaged
 			where TOutputColor : unmanaged, IColor<TOutputChannelValue>
 		{
+			ThrowHelper.ThrowIfNotLittleEndian();
 			return DecompressDXT3<TOutputColor, TOutputChannelValue>(input, width, height, MemoryMarshal.Cast<byte, TOutputColor>(output));
 		}
 
@@ -258,32 +208,6 @@ namespace AssetRipper.TextureDecoder.Dxt
 			return offset;
 		}
 
-		/// <summary>
-		/// Decompress a DXT5 image
-		/// </summary>
-		/// <param name="input">Input buffer containing the compressed image.</param>
-		/// <param name="width">Pixel width of the image.</param>
-		/// <param name="height">Pixel height of the image.</param>
-		/// <param name="output">An output buffer of size 4 * width * height.</param>
-		/// <returns>Number of bytes read from <paramref name="input"/></returns>
-		public static int DecompressDXT5(ReadOnlySpan<byte> input, int width, int height, out byte[] output)
-		{
-			return DecompressDXT5<ColorBGRA32, byte>(input, width, height, out output);
-		}
-
-		/// <summary>
-		/// Decompress a DXT5 image
-		/// </summary>
-		/// <param name="input">Input buffer containing the compressed image.</param>
-		/// <param name="width">Pixel width of the image.</param>
-		/// <param name="height">Pixel height of the image.</param>
-		/// <param name="output">An output buffer. Must be at least 4 * width * height.</param>
-		/// <returns>Number of bytes read from <paramref name="input"/></returns>
-		public static int DecompressDXT5(ReadOnlySpan<byte> input, int width, int height, Span<byte> output)
-		{
-			return DecompressDXT5<ColorBGRA32, byte>(input, width, height, output);
-		}
-
 		/// <summary>
 		/// Decompress a DXT5 image
 		/// </summary>
@@ -316,6 +240,7 @@ namespace AssetRipper.TextureDecoder.Dxt
 			where TOutputChannelValue : unmanaged
 			where TOutputColor : unmanaged, IColor<TOutputChannelValue>
 		{
+			ThrowHelper.ThrowIfNotLittleEndian();
 			return DecompressDXT5<TOutputColor, TOutputChannelValue>(input, width, height, MemoryMarshal.Cast<byte, TOutputColor>(output));
 		}
 

AssetRipper.TextureDecoder/Etc/EtcDecoder.cs

@@ -1,15 +1,31 @@
+using AssetRipper.TextureDecoder.Rgb;
+using AssetRipper.TextureDecoder.Rgb.Formats;
+
 namespace AssetRipper.TextureDecoder.Etc
 {
 	public static class EtcDecoder
 	{
-		public static int DecompressETC(ReadOnlySpan<byte> input, int width, int height, out byte[] output)
+		public static int DecompressETC<TOutputColor, TOutputChannelValue>(ReadOnlySpan<byte> input, int width, int height, out byte[] output)
+			where TOutputChannelValue : unmanaged
+			where TOutputColor : unmanaged, IColor<TOutputChannelValue>
 		{
 			output = new byte[width * height * 4];
-			return DecompressETC(input, width, height, output);
+			return DecompressETC<TOutputColor, TOutputChannelValue>(input, width, height, output);
 		}
 
-		public static int DecompressETC(ReadOnlySpan<byte> input, int width, int height, Span<byte> output)
+		public static int DecompressETC<TOutputColor, TOutputChannelValue>(ReadOnlySpan<byte> input, int width, int height, Span<byte> output)
+			where TOutputChannelValue : unmanaged
+			where TOutputColor : unmanaged, IColor<TOutputChannelValue>
 		{
+			ThrowHelper.ThrowIfNotLittleEndian();
+			return DecompressETC<TOutputColor, TOutputChannelValue>(input, width, height, MemoryMarshal.Cast<byte, TOutputColor>(output));
+		}
+
+		public static int DecompressETC<TOutputColor, TOutputChannelValue>(ReadOnlySpan<byte> input, int width, int height, Span<TOutputColor> output)
+			where TOutputChannelValue : unmanaged
+			where TOutputColor : unmanaged, IColor<TOutputChannelValue>
+		{
+			ThrowHelper.ThrowIfNotEnoughSpace(output.Length, width * height);
 			int requiredLength = ((width + 3) / 4) * ((height + 3) / 4) * 8;
 			if (input.Length < requiredLength)
 			{
@@ -19,22 +35,22 @@ namespace AssetRipper.TextureDecoder.Etc
 			int bcw = (width + 3) / 4;
 			int bch = (height + 3) / 4;
 			int clen_last = (width + 3) % 4 + 1;
-			Span<uint> buf = stackalloc uint[16];
+			Span<ColorRGBA<byte>> buffer = stackalloc ColorRGBA<byte>[16];
 			int inputOffset = 0;
 			for (int t = 0; t < bch; t++)
 			{
 				for (int s = 0; s < bcw; s++, inputOffset += 8)
 				{
-					DecodeEtc1Block(input.Slice(inputOffset, 8), buf);
+					DecodeEtc1Block(input.Slice(inputOffset, 8), buffer);
 					int clen = s < bcw - 1 ? 4 : clen_last;
-					int outputOffset = t * 16 * width + s * 16;
-					Span<uint> outputPtr = MemoryMarshal.Cast<byte, uint>(output.Slice(outputOffset));
+					int outputOffset = t * 4 * width + s * 4;
+					Span<TOutputColor> outputPtr = output.Slice(outputOffset);
 
 					for (int i = 0, y = t * 4; i < 4 && y < height; i++, y++)
 					{
 						for (int j = 0; j < clen; j++)
 						{
-							outputPtr[j + i * width] = buf[j + 4 * i];
+							outputPtr[j + i * width] = buffer[j + 4 * i].Convert<ColorRGBA<byte>, byte, TOutputColor, TOutputChannelValue>();
 						}
 					}
 				}
@@ -42,14 +58,27 @@ namespace AssetRipper.TextureDecoder.Etc
 			return inputOffset;
 		}
 
-		public static int DecompressETC2(ReadOnlySpan<byte> input, int width, int height, out byte[] output)
+		public static int DecompressETC2<TOutputColor, TOutputChannelValue>(ReadOnlySpan<byte> input, int width, int height, out byte[] output)
+			where TOutputChannelValue : unmanaged
+			where TOutputColor : unmanaged, IColor<TOutputChannelValue>
 		{
 			output = new byte[width * height * 4];
-			return DecompressETC2(input, width, height, output);
+			return DecompressETC2<TOutputColor, TOutputChannelValue>(input, width, height, output);
 		}
 
-		public static int DecompressETC2(ReadOnlySpan<byte> input, int width, int height, Span<byte> output)
+		public static int DecompressETC2<TOutputColor, TOutputChannelValue>(ReadOnlySpan<byte> input, int width, int height, Span<byte> output)
+			where TOutputChannelValue : unmanaged
+			where TOutputColor : unmanaged, IColor<TOutputChannelValue>
 		{
+			ThrowHelper.ThrowIfNotLittleEndian();
+			return DecompressETC2<TOutputColor, TOutputChannelValue>(input, width, height, MemoryMarshal.Cast<byte, TOutputColor>(output));
+		}
+
+		public static int DecompressETC2<TOutputColor, TOutputChannelValue>(ReadOnlySpan<byte> input, int width, int height, Span<TOutputColor> output)
+			where TOutputChannelValue : unmanaged
+			where TOutputColor : unmanaged, IColor<TOutputChannelValue>
+		{
+			ThrowHelper.ThrowIfNotEnoughSpace(output.Length, width * height);
 			int requiredLength = ((width + 3) / 4) * ((height + 3) / 4) * 8;
 			if (input.Length < requiredLength)
 			{
@@ -59,22 +88,22 @@ namespace AssetRipper.TextureDecoder.Etc
 			int bcw = (width + 3) / 4;
 			int bch = (height + 3) / 4;
 			int clen_last = (width + 3) % 4 + 1;
-			Span<uint> buf = stackalloc uint[16];
+			Span<ColorRGBA<byte>> buffer = stackalloc ColorRGBA<byte>[16];
 			int inputOffset = 0;
 			for (int t = 0; t < bch; t++)
 			{
 				for (int s = 0; s < bcw; s++, inputOffset += 8)
 				{
-					DecodeEtc2Block(input.Slice(inputOffset, 8), buf);
+					DecodeEtc2Block(input.Slice(inputOffset, 8), buffer);
 					int clen = s < bcw - 1 ? 4 : clen_last;
-					int outputOffset = t * 16 * width + s * 16;
-					Span<uint> outputPtr = MemoryMarshal.Cast<byte, uint>(output.Slice(outputOffset));
+					int outputOffset = t * 4 * width + s * 4;
+					Span<TOutputColor> outputPtr = output.Slice(outputOffset);
 
 					for (int i = 0, y = t * 4; i < 4 && y < height; i++, y++)
 					{
 						for (int j = 0; j < clen; j++)
 						{
-							outputPtr[j + i * width] = buf[j + 4 * i];
+							outputPtr[j + i * width] = buffer[j + 4 * i].Convert<ColorRGBA<byte>, byte, TOutputColor, TOutputChannelValue>();
 						}
 					}
 				}
@@ -82,14 +111,27 @@ namespace AssetRipper.TextureDecoder.Etc
 			return inputOffset;
 		}
 
-		public static int DecompressETC2A1(ReadOnlySpan<byte> input, int width, int height, out byte[] output)
+		public static int DecompressETC2A1<TOutputColor, TOutputChannelValue>(ReadOnlySpan<byte> input, int width, int height, out byte[] output)
+			where TOutputChannelValue : unmanaged
+			where TOutputColor : unmanaged, IColor<TOutputChannelValue>
 		{
 			output = new byte[width * height * 4];
-			return DecompressETC2A1(input, width, height, output);
+			return DecompressETC2A1<TOutputColor, TOutputChannelValue>(input, width, height, output);
 		}
 
-		public static int DecompressETC2A1(ReadOnlySpan<byte> input, int width, int height, Span<byte> output)
+		public static int DecompressETC2A1<TOutputColor, TOutputChannelValue>(ReadOnlySpan<byte> input, int width, int height, Span<byte> output)
+			where TOutputChannelValue : unmanaged
+			where TOutputColor : unmanaged, IColor<TOutputChannelValue>
 		{
+			ThrowHelper.ThrowIfNotLittleEndian();
+			return DecompressETC2A1<TOutputColor, TOutputChannelValue>(input, width, height, MemoryMarshal.Cast<byte, TOutputColor>(output));
+		}
+
+		public static int DecompressETC2A1<TOutputColor, TOutputChannelValue>(ReadOnlySpan<byte> input, int width, int height, Span<TOutputColor> output)
+			where TOutputChannelValue : unmanaged
+			where TOutputColor : unmanaged, IColor<TOutputChannelValue>
+		{
+			ThrowHelper.ThrowIfNotEnoughSpace(output.Length, width * height);
 			int requiredLength = ((width + 3) / 4) * ((height + 3) / 4) * 8;
 			if (input.Length < requiredLength)
 			{
@@ -99,22 +141,22 @@ namespace AssetRipper.TextureDecoder.Etc
 			int bcw = (width + 3) / 4;
 			int bch = (height + 3) / 4;
 			int clen_last = (width + 3) % 4 + 1;
-			Span<uint> buf = stackalloc uint[16];
+			Span<ColorRGBA<byte>> buffer = stackalloc ColorRGBA<byte>[16];
 			int inputOffset = 0;
 			for (int t = 0; t < bch; t++)
 			{
 				for (int s = 0; s < bcw; s++, inputOffset += 8)
 				{
-					DecodeEtc2a1Block(input.Slice(inputOffset, 8), buf);
+					DecodeEtc2a1Block(input.Slice(inputOffset, 8), buffer);
 					int clen = s < bcw - 1 ? 4 : clen_last;
-					int outputOffset = t * 16 * width + s * 16;
-					Span<uint> outputPtr = MemoryMarshal.Cast<byte, uint>(output.Slice(outputOffset));
+					int outputOffset = t * 4 * width + s * 4;
+					Span<TOutputColor> outputPtr = output.Slice(outputOffset);
 
 					for (int i = 0, y = t * 4; i < 4 && y < height; i++, y++)
 					{
 						for (int j = 0; j < clen; j++)
 						{
-							outputPtr[j + i * width] = buf[j + 4 * i];
+							outputPtr[j + i * width] = buffer[j + 4 * i].Convert<ColorRGBA<byte>, byte, TOutputColor, TOutputChannelValue>();
 						}
 					}
 				}
@@ -122,14 +164,27 @@ namespace AssetRipper.TextureDecoder.Etc
 			return inputOffset;
 		}
 
-		public static int DecompressETC2A8(ReadOnlySpan<byte> input, int width, int height, out byte[] output)
+		public static int DecompressETC2A8<TOutputColor, TOutputChannelValue>(ReadOnlySpan<byte> input, int width, int height, out byte[] output)
+			where TOutputChannelValue : unmanaged
+			where TOutputColor : unmanaged, IColor<TOutputChannelValue>
 		{
 			output = new byte[width * height * 4];
-			return DecompressETC2A8(input, width, height, output);
+			return DecompressETC2A8<TOutputColor, TOutputChannelValue>(input, width, height, output);
 		}
 
-		public static int DecompressETC2A8(ReadOnlySpan<byte> input, int width, int height, Span<byte> output)
+		public static int DecompressETC2A8<TOutputColor, TOutputChannelValue>(ReadOnlySpan<byte> input, int width, int height, Span<byte> output)
+			where TOutputChannelValue : unmanaged
+			where TOutputColor : unmanaged, IColor<TOutputChannelValue>
 		{
+			ThrowHelper.ThrowIfNotLittleEndian();
+			return DecompressETC2A8<TOutputColor, TOutputChannelValue>(input, width, height, MemoryMarshal.Cast<byte, TOutputColor>(output));
+		}
+
+		public static int DecompressETC2A8<TOutputColor, TOutputChannelValue>(ReadOnlySpan<byte> input, int width, int height, Span<TOutputColor> output)
+			where TOutputChannelValue : unmanaged
+			where TOutputColor : unmanaged, IColor<TOutputChannelValue>
+		{
+			ThrowHelper.ThrowIfNotEnoughSpace(output.Length, width * height);
 			int requiredLength = ((width + 3) / 4) * ((height + 3) / 4) * 16;
 			if (input.Length < requiredLength)
 			{
@@ -139,23 +194,23 @@ namespace AssetRipper.TextureDecoder.Etc
 			int bcw = (width + 3) / 4;
 			int bch = (height + 3) / 4;
 			int clen_last = (width + 3) % 4 + 1;
-			Span<uint> buf = stackalloc uint[16];
+			Span<ColorRGBA<byte>> buffer = stackalloc ColorRGBA<byte>[16];
 			int inputOffset = 0;
 			for (int t = 0; t < bch; t++)
 			{
 				for (int s = 0; s < bcw; s++, inputOffset += 16)
 				{
-					DecodeEtc2Block(input.Slice(inputOffset + 8, 8), buf);
-					DecodeEtc2a8Block(input.Slice(inputOffset + 0, 8), buf);
+					DecodeEtc2Block(input.Slice(inputOffset + 8, 8), buffer);
+					DecodeEtc2a8Block(input.Slice(inputOffset + 0, 8), buffer);
 					int clen = s < bcw - 1 ? 4 : clen_last;
-					int outputOffset = t * 16 * width + s * 16;
-					Span<uint> outputPtr = MemoryMarshal.Cast<byte, uint>(output.Slice(outputOffset));
+					int outputOffset = t * 4 * width + s * 4;
+					Span<TOutputColor> outputPtr = output.Slice(outputOffset);
 
 					for (int i = 0, y = t * 4; i < 4 && y < height; i++, y++)
 					{
 						for (int j = 0; j < clen; j++)
 						{
-							outputPtr[j + i * width] = buf[j + 4 * i];
+							outputPtr[j + i * width] = buffer[j + 4 * i].Convert<ColorRGBA<byte>, byte, TOutputColor, TOutputChannelValue>();
 						}
 					}
 				}
@@ -163,14 +218,27 @@ namespace AssetRipper.TextureDecoder.Etc
 			return inputOffset;
 		}
 
-		public static int DecompressEACRUnsigned(ReadOnlySpan<byte> input, int width, int height, out byte[] output)
+		public static int DecompressEACRUnsigned<TOutputColor, TOutputChannelValue>(ReadOnlySpan<byte> input, int width, int height, out byte[] output)
+			where TOutputChannelValue : unmanaged
+			where TOutputColor : unmanaged, IColor<TOutputChannelValue>
 		{
 			output = new byte[width * height * 4];
-			return DecompressEACRUnsigned(input, width, height, output);
+			return DecompressEACRUnsigned<TOutputColor, TOutputChannelValue>(input, width, height, output);
 		}
 
-		public static int DecompressEACRUnsigned(ReadOnlySpan<byte> input, int width, int height, Span<byte> output)
+		public static int DecompressEACRUnsigned<TOutputColor, TOutputChannelValue>(ReadOnlySpan<byte> input, int width, int height, Span<byte> output)
+			where TOutputChannelValue : unmanaged
+			where TOutputColor : unmanaged, IColor<TOutputChannelValue>
 		{
+			ThrowHelper.ThrowIfNotLittleEndian();
+			return DecompressEACRUnsigned<TOutputColor, TOutputChannelValue>(input, width, height, MemoryMarshal.Cast<byte, TOutputColor>(output));
+		}
+
+		public static int DecompressEACRUnsigned<TOutputColor, TOutputChannelValue>(ReadOnlySpan<byte> input, int width, int height, Span<TOutputColor> output)
+			where TOutputChannelValue : unmanaged
+			where TOutputColor : unmanaged, IColor<TOutputChannelValue>
+		{
+			ThrowHelper.ThrowIfNotEnoughSpace(output.Length, width * height);
 			int requiredLength = ((width + 3) / 4) * ((height + 3) / 4) * 8;
 			if (input.Length < requiredLength)
 			{
@@ -180,26 +248,26 @@ namespace AssetRipper.TextureDecoder.Etc
 			int bcw = (width + 3) / 4;
 			int bch = (height + 3) / 4;
 			int clen_last = (width + 3) % 4 + 1;
-			Span<uint> buf = stackalloc uint[16];
+			Span<ColorRGBA<byte>> buffer = stackalloc ColorRGBA<byte>[16];
 			for (int i = 0; i < 16; i++)
 			{
-				buf[i] = 0xFF000000;
+				buffer[i] = ColorRGBA<byte>.Black;
 			}
 			int inputOffset = 0;
 			for (int t = 0; t < bch; t++)
 			{
 				for (int s = 0; s < bcw; s++, inputOffset += 8)
 				{
-					DecodeEacUnsignedBlock(input.Slice(inputOffset, 8), buf, 2);
+					DecodeEacUnsignedBlock(input.Slice(inputOffset, 8), buffer, 0);
 					int clen = s < bcw - 1 ? 4 : clen_last;
-					int outputOffset = t * 16 * width + s * 16;
-					Span<uint> outputPtr = MemoryMarshal.Cast<byte, uint>(output.Slice(outputOffset));
+					int outputOffset = t * 4 * width + s * 4;
+					Span<TOutputColor> outputPtr = output.Slice(outputOffset);
 
 					for (int i = 0, y = t * 4; i < 4 && y < height; i++, y++)
 					{
 						for (int j = 0; j < clen; j++)
 						{
-							outputPtr[j + i * width] = buf[j + 4 * i];
+							outputPtr[j + i * width] = buffer[j + 4 * i].Convert<ColorRGBA<byte>, byte, TOutputColor, TOutputChannelValue>();
 						}
 					}
 				}
@@ -207,14 +275,27 @@ namespace AssetRipper.TextureDecoder.Etc
 			return inputOffset;
 		}
 
-		public static int DecompressEACRSigned(ReadOnlySpan<byte> input, int width, int height, out byte[] output)
+		public static int DecompressEACRSigned<TOutputColor, TOutputChannelValue>(ReadOnlySpan<byte> input, int width, int height, out byte[] output)
+			where TOutputChannelValue : unmanaged
+			where TOutputColor : unmanaged, IColor<TOutputChannelValue>
 		{
 			output = new byte[width * height * 4];
-			return DecompressEACRSigned(input, width, height, output);
+			return DecompressEACRSigned<TOutputColor, TOutputChannelValue>(input, width, height, output);
 		}
 
-		public static int DecompressEACRSigned(ReadOnlySpan<byte> input, int width, int height, Span<byte> output)
+		public static int DecompressEACRSigned<TOutputColor, TOutputChannelValue>(ReadOnlySpan<byte> input, int width, int height, Span<byte> output)
+			where TOutputChannelValue : unmanaged
+			where TOutputColor : unmanaged, IColor<TOutputChannelValue>
 		{
+			ThrowHelper.ThrowIfNotLittleEndian();
+			return DecompressEACRSigned<TOutputColor, TOutputChannelValue>(input, width, height, MemoryMarshal.Cast<byte, TOutputColor>(output));
+		}
+
+		public static int DecompressEACRSigned<TOutputColor, TOutputChannelValue>(ReadOnlySpan<byte> input, int width, int height, Span<TOutputColor> output)
+			where TOutputChannelValue : unmanaged
+			where TOutputColor : unmanaged, IColor<TOutputChannelValue>
+		{
+			ThrowHelper.ThrowIfNotEnoughSpace(output.Length, width * height);
 			int requiredLength = ((width + 3) / 4) * ((height + 3) / 4) * 8;
 			if (input.Length < requiredLength)
 			{
@@ -224,26 +305,26 @@ namespace AssetRipper.TextureDecoder.Etc
 			int bcw = (width + 3) / 4;
 			int bch = (height + 3) / 4;
 			int clen_last = (width + 3) % 4 + 1;
-			Span<uint> buf = stackalloc uint[16];
+			Span<ColorRGBA<byte>> buffer = stackalloc ColorRGBA<byte>[16];
 			for (int i = 0; i < 16; i++)
 			{
-				buf[i] = 0xFF000000;
+				buffer[i] = ColorRGBA<byte>.Black;
 			}
 			int inputOffset = 0;
 			for (int t = 0; t < bch; t++)
 			{
 				for (int s = 0; s < bcw; s++, inputOffset += 8)
 				{
-					DecodeEacSignedBlock(input.Slice(inputOffset, 8), buf, 2);
+					DecodeEacSignedBlock(input.Slice(inputOffset, 8), buffer, 0);
 					int clen = s < bcw - 1 ? 4 : clen_last;
-					int outputOffset = t * 16 * width + s * 16;
-					Span<uint> outputPtr = MemoryMarshal.Cast<byte, uint>(output.Slice(outputOffset));
+					int outputOffset = t * 4 * width + s * 4;
+					Span<TOutputColor> outputPtr = output.Slice(outputOffset);
 
 					for (int i = 0, y = t * 4; i < 4 && y < height; i++, y++)
 					{
 						for (int j = 0; j < clen; j++)
 						{
-							outputPtr[j + i * width] = buf[j + 4 * i];
+							outputPtr[j + i * width] = buffer[j + 4 * i].Convert<ColorRGBA<byte>, byte, TOutputColor, TOutputChannelValue>();
 						}
 					}
 				}
@@ -251,14 +332,27 @@ namespace AssetRipper.TextureDecoder.Etc
 			return inputOffset;
 		}
 
-		public static int DecompressEACRGUnsigned(ReadOnlySpan<byte> input, int width, int height, out byte[] output)
+		public static int DecompressEACRGUnsigned<TOutputColor, TOutputChannelValue>(ReadOnlySpan<byte> input, int width, int height, out byte[] output)
+			where TOutputChannelValue : unmanaged
+			where TOutputColor : unmanaged, IColor<TOutputChannelValue>
 		{
 			output = new byte[width * height * 4];
-			return DecompressEACRGUnsigned(input, width, height, output);
+			return DecompressEACRGUnsigned<TOutputColor, TOutputChannelValue>(input, width, height, output);
 		}
 
-		public static int DecompressEACRGUnsigned(ReadOnlySpan<byte> input, int width, int height, Span<byte> output)
+		public static int DecompressEACRGUnsigned<TOutputColor, TOutputChannelValue>(ReadOnlySpan<byte> input, int width, int height, Span<byte> output)
+			where TOutputChannelValue : unmanaged
+			where TOutputColor : unmanaged, IColor<TOutputChannelValue>
 		{
+			ThrowHelper.ThrowIfNotLittleEndian();
+			return DecompressEACRGUnsigned<TOutputColor, TOutputChannelValue>(input, width, height, MemoryMarshal.Cast<byte, TOutputColor>(output));
+		}
+
+		public static int DecompressEACRGUnsigned<TOutputColor, TOutputChannelValue>(ReadOnlySpan<byte> input, int width, int height, Span<TOutputColor> output)
+			where TOutputChannelValue : unmanaged
+			where TOutputColor : unmanaged, IColor<TOutputChannelValue>
+		{
+			ThrowHelper.ThrowIfNotEnoughSpace(output.Length, width * height);
 			int bcw = (width + 3) / 4;
 			int bch = (height + 3) / 4;
 			
@@ -268,27 +362,27 @@ namespace AssetRipper.TextureDecoder.Etc
 			}
 
 			int clen_last = (width + 3) % 4 + 1;
-			Span<uint> buf = stackalloc uint[16];
+			Span<ColorRGBA<byte>> buffer = stackalloc ColorRGBA<byte>[16];
 			for (int i = 0; i < 16; i++)
 			{
-				buf[i] = 0xFF000000;
+				buffer[i] = ColorRGBA<byte>.Black;
 			}
 			int inputOffset = 0;
 			for (int t = 0; t < bch; t++)
 			{
 				for (int s = 0; s < bcw; s++, inputOffset += 16)
 				{
-					DecodeEacUnsignedBlock(input.Slice(inputOffset + 0, 8), buf, 2);
-					DecodeEacUnsignedBlock(input.Slice(inputOffset + 8, 8), buf, 1);
+					DecodeEacUnsignedBlock(input.Slice(inputOffset + 0, 8), buffer, 0);
+					DecodeEacUnsignedBlock(input.Slice(inputOffset + 8, 8), buffer, 1);
 					int clen = s < bcw - 1 ? 4 : clen_last;
-					int outputOffset = t * 16 * width + s * 16;
-					Span<uint> outputPtr = MemoryMarshal.Cast<byte, uint>(output.Slice(outputOffset));
-					
+					int outputOffset = t * 4 * width + s * 4;
+					Span<TOutputColor> outputPtr = output.Slice(outputOffset);
+
 					for (int i = 0, y = t * 4; i < 4 && y < height; i++, y++)
 					{
 						for (int j = 0; j < clen; j++)
 						{
-							outputPtr[j + i * width] = buf[j + 4 * i];
+							outputPtr[j + i * width] = buffer[j + 4 * i].Convert<ColorRGBA<byte>, byte, TOutputColor, TOutputChannelValue>();
 						}
 					}
 				}
@@ -296,14 +390,27 @@ namespace AssetRipper.TextureDecoder.Etc
 			return inputOffset;
 		}
 
-		public static int DecompressEACRGSigned(ReadOnlySpan<byte> input, int width, int height, out byte[] output)
+		public static int DecompressEACRGSigned<TOutputColor, TOutputChannelValue>(ReadOnlySpan<byte> input, int width, int height, out byte[] output)
+			where TOutputChannelValue : unmanaged
+			where TOutputColor : unmanaged, IColor<TOutputChannelValue>
 		{
 			output = new byte[width * height * 4];
-			return DecompressEACRGSigned(input, width, height, output);
+			return DecompressEACRGSigned<TOutputColor, TOutputChannelValue>(input, width, height, output);
 		}
 
-		public static int DecompressEACRGSigned(ReadOnlySpan<byte> input, int width, int height, Span<byte> output)
+		public static int DecompressEACRGSigned<TOutputColor, TOutputChannelValue>(ReadOnlySpan<byte> input, int width, int height, Span<byte> output)
+			where TOutputChannelValue : unmanaged
+			where TOutputColor : unmanaged, IColor<TOutputChannelValue>
 		{
+			ThrowHelper.ThrowIfNotLittleEndian();
+			return DecompressEACRGSigned<TOutputColor, TOutputChannelValue>(input, width, height, MemoryMarshal.Cast<byte, TOutputColor>(output));
+		}
+
+		public static int DecompressEACRGSigned<TOutputColor, TOutputChannelValue>(ReadOnlySpan<byte> input, int width, int height, Span<TOutputColor> output)
+			where TOutputChannelValue : unmanaged
+			where TOutputColor : unmanaged, IColor<TOutputChannelValue>
+		{
+			ThrowHelper.ThrowIfNotEnoughSpace(output.Length, width * height);
 			int requiredLength = ((width + 3) / 4) * ((height + 3) / 4) * 16;
 			if (input.Length < requiredLength)
 			{
@@ -313,27 +420,27 @@ namespace AssetRipper.TextureDecoder.Etc
 			int bcw = (width + 3) / 4;
 			int bch = (height + 3) / 4;
 			int clen_last = (width + 3) % 4 + 1;
-			Span<uint> buf = stackalloc uint[16];
+			Span<ColorRGBA<byte>> buffer = stackalloc ColorRGBA<byte>[16];
 			for (int i = 0; i < 16; i++)
 			{
-				buf[i] = 0xFF000000;
+				buffer[i] = ColorRGBA<byte>.Black;
 			}
 			int inputOffset = 0;
 			for (int t = 0; t < bch; t++)
 			{
 				for (int s = 0; s < bcw; s++, inputOffset += 16)
 				{
-					DecodeEacSignedBlock(input.Slice(inputOffset + 0, 8), buf, 2);
-					DecodeEacSignedBlock(input.Slice(inputOffset + 8, 8), buf, 1);
+					DecodeEacSignedBlock(input.Slice(inputOffset + 0, 8), buffer, 0);
+					DecodeEacSignedBlock(input.Slice(inputOffset + 8, 8), buffer, 1);
 					int clen = s < bcw - 1 ? 4 : clen_last;
-					int outputOffset = t * 16 * width + s * 16;
-					Span<uint> outputPtr = MemoryMarshal.Cast<byte, uint>(output.Slice(outputOffset));
+					int outputOffset = t * 4 * width + s * 4;
+					Span<TOutputColor> outputPtr = output.Slice(outputOffset);
 
 					for (int i = 0, y = t * 4; i < 4 && y < height; i++, y++)
 					{
 						for (int j = 0; j < clen; j++)
 						{
-							outputPtr[j + i * width] = buf[j + 4 * i];
+							outputPtr[j + i * width] = buffer[j + 4 * i].Convert<ColorRGBA<byte>, byte, TOutputColor, TOutputChannelValue>();
 						}
 					}
 				}
@@ -344,7 +451,7 @@ namespace AssetRipper.TextureDecoder.Etc
 		/// <summary>
 		/// Parses an 8-byte Etc1 block from <paramref name="input"/>.
 		/// </summary>
-		private static void DecodeEtc1Block(ReadOnlySpan<byte> input, Span<uint> output)
+		private static void DecodeEtc1Block(ReadOnlySpan<byte> input, Span<ColorRGBA<byte>> output)
 		{
 			byte i3 = input[3];
 			ReadOnlySpan<int> code =
@@ -393,13 +500,12 @@ namespace AssetRipper.TextureDecoder.Etc
 				int index = k << 1 & 2 | j & 1;
 				int cd = code[s];
 				int m = Etc1ModifierTable[cd + index];
-				uint color = ApplicateColor(c, s, m);
 				int oi = WriteOrderTable[i];
-				output[oi] = color;
+				output[oi] = ApplicateColor(c, s, m);
 			}
 		}
 
-		private static void DecodeEtc2Block(ReadOnlySpan<byte> input, Span<uint> output)
+		private static void DecodeEtc2Block(ReadOnlySpan<byte> input, Span<ColorRGBA<byte>> output)
 		{
 			int j = input[6] << 8 | input[7];
 			int k = input[4] << 8 | input[5];
@@ -423,7 +529,7 @@ namespace AssetRipper.TextureDecoder.Etc
 					}
 					int ti = input[3] >> 1 & 6 | input[3] & 1;
 					byte d = Etc2DistanceTable[ti];
-					ReadOnlySpan<uint> color_set =
+					ReadOnlySpan<ColorRGBA<byte>> color_set =
 					[
 						ApplicateColorRaw(c, 0),
 						ApplicateColor(c, 1, d),
@@ -434,9 +540,8 @@ namespace AssetRipper.TextureDecoder.Etc
 					for (int i = 0; i < 16; i++, j >>= 1, k >>= 1)
 					{
 						int index = k << 1 & 2 | j & 1;
-						uint color = color_set[index];
 						int oi = WriteOrderTable[i];
-						output[oi] = color;
+						output[oi] = color_set[index];
 					}
 				}
 				else
@@ -464,7 +569,7 @@ namespace AssetRipper.TextureDecoder.Etc
 							++di;
 						}
 						byte d = Etc2DistanceTable[di];
-						ReadOnlySpan<uint> color_set =
+						ReadOnlySpan<ColorRGBA<byte>> color_set =
 						[
 							ApplicateColor(c, 0, d),
 							ApplicateColor(c, 0, -d),
@@ -474,9 +579,8 @@ namespace AssetRipper.TextureDecoder.Etc
 						for (int i = 0; i < 16; i++, j >>= 1, k >>= 1)
 						{
 							int index = k << 1 & 2 | j & 1;
-							uint color = color_set[index];
 							int oi = WriteOrderTable[i];
-							output[oi] = color;
+							output[oi] = color_set[index];
 						}
 					}
 					else
@@ -507,7 +611,7 @@ namespace AssetRipper.TextureDecoder.Etc
 									byte ri = Clamp255((x * (c[1 * 3 + 0] - c[0 * 3 + 0]) + y * (c[2 * 3 + 0] - c[0 * 3 + 0]) + 4 * c[0 * 3 + 0] + 2) >> 2);
 									byte gi = Clamp255((x * (c[1 * 3 + 1] - c[0 * 3 + 1]) + y * (c[2 * 3 + 1] - c[0 * 3 + 1]) + 4 * c[0 * 3 + 1] + 2) >> 2);
 									byte bi = Clamp255((x * (c[1 * 3 + 2] - c[0 * 3 + 2]) + y * (c[2 * 3 + 2] - c[0 * 3 + 2]) + 4 * c[0 * 3 + 2] + 2) >> 2);
-									output[i] = Color(ri, gi, bi, 255);
+									output[i] = new(ri, gi, bi, byte.MaxValue);
 								}
 							}
 						}
@@ -538,9 +642,8 @@ namespace AssetRipper.TextureDecoder.Etc
 								int index = k << 1 & 2 | j & 1;
 								int ci = code[s];
 								int m = Etc1ModifierTable[ci + index];
-								uint color = ApplicateColor(c, s, m);
 								int oi = WriteOrderTable[i];
-								output[oi] = color;
+								output[oi] = ApplicateColor(c, s, m);
 							}
 						}
 					}
@@ -570,15 +673,14 @@ namespace AssetRipper.TextureDecoder.Etc
 					int index = k << 1 & 2 | j & 1;
 					int ci = code[s];
 					int m = Etc1ModifierTable[ci + index];
-					uint color = ApplicateColor(c, s, m);
 					int oi = WriteOrderTable[i];
-					output[oi] = color;
+					output[oi] = ApplicateColor(c, s, m);
 				}
 			}
 		}
 
 		[MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
-		private static void DecodeEtc2a1Block(ReadOnlySpan<byte> input, Span<uint> output)
+		private static void DecodeEtc2a1Block(ReadOnlySpan<byte> input, Span<ColorRGBA<byte>> output)
 		{
 			if ((input[3] & 2) != 0)
 			{
@@ -591,7 +693,7 @@ namespace AssetRipper.TextureDecoder.Etc
 			}
 		}
 
-		private static void DecodeEtc2PunchThrowBlock(ReadOnlySpan<byte> input, Span<uint> output)
+		private static void DecodeEtc2PunchThrowBlock(ReadOnlySpan<byte> input, Span<ColorRGBA<byte>> output)
 		{
 			int j = input[6] << 8 | input[7];
 			int k = input[4] << 8 | input[5];
@@ -612,7 +714,7 @@ namespace AssetRipper.TextureDecoder.Etc
 				}
 				int ti = input[3] >> 1 & 6 | input[3] & 1;
 				byte d = Etc2DistanceTable[ti];
-				ReadOnlySpan<uint> color_set =
+				ReadOnlySpan<ColorRGBA<byte>> color_set =
 				[
 					ApplicateColorRaw(c, 0),
 					ApplicateColor(c, 1, d),
@@ -623,10 +725,8 @@ namespace AssetRipper.TextureDecoder.Etc
 				for (int i = 0; i < 16; i++, j >>= 1, k >>= 1)
 				{
 					int index = k << 1 & 2 | j & 1;
-					uint color = color_set[index];
-					uint mask = PunchthroughMaskTable[index];
 					int oi = WriteOrderTable[i];
-					output[oi] = color & mask;
+					output[oi] = PunchthroughBooleanTable[index] ? color_set[index] : default;
 				}
 			}
 			else
@@ -654,7 +754,7 @@ namespace AssetRipper.TextureDecoder.Etc
 						++di;
 					}
 					byte d = Etc2DistanceTable[di];
-					ReadOnlySpan<uint> color_set =
+					ReadOnlySpan<ColorRGBA<byte>> color_set =
 					[
 						ApplicateColor(c, 0, d),
 						ApplicateColor(c, 0, -d),
@@ -664,10 +764,8 @@ namespace AssetRipper.TextureDecoder.Etc
 					for (int i = 0; i < 16; i++, j >>= 1, k >>= 1)
 					{
 						int index = k << 1 & 2 | j & 1;
-						uint color = color_set[index];
-						uint mask = PunchthroughMaskTable[index];
 						int oi = WriteOrderTable[i];
-						output[oi] = color & mask;
+						output[oi] = PunchthroughBooleanTable[index] ? color_set[index] : default;
 					}
 				}
 				else
@@ -698,7 +796,7 @@ namespace AssetRipper.TextureDecoder.Etc
 								byte ri = Clamp255((x * (c[1 * 3 + 0] - c[0 * 3 + 0]) + y * (c[2 * 3 + 0] - c[0 * 3 + 0]) + 4 * c[0 * 3 + 0] + 2) >> 2);
 								byte gi = Clamp255((x * (c[1 * 3 + 1] - c[0 * 3 + 1]) + y * (c[2 * 3 + 1] - c[0 * 3 + 1]) + 4 * c[0 * 3 + 1] + 2) >> 2);
 								byte bi = Clamp255((x * (c[1 * 3 + 2] - c[0 * 3 + 2]) + y * (c[2 * 3 + 2] - c[0 * 3 + 2]) + 4 * c[0 * 3 + 2] + 2) >> 2);
-								output[i] = Color(ri, gi, bi, 255);
+								output[i] = new(ri, gi, bi, byte.MaxValue);
 							}
 						}
 					}
@@ -725,22 +823,28 @@ namespace AssetRipper.TextureDecoder.Etc
 						}
 						for (int i = 0; i < 16; i++, j >>= 1, k >>= 1)
 						{
-							int s = Etc1SubblockTable[ti + i];
 							int index = k << 1 & 2 | j & 1;
-							int ci = code[s];
-							int m = PunchthroughModifierTable[ci + index];
-							uint color = ApplicateColor(c, s, m);
-							uint mask = PunchthroughMaskTable[index];
 							int oi = WriteOrderTable[i];
-							output[oi] = color & mask;
+							if (PunchthroughBooleanTable[index])
+							{
+								int s = Etc1SubblockTable[ti + i];
+								int ci = code[s];
+								int m = PunchthroughModifierTable[ci + index];
+								output[oi] = ApplicateColor(c, s, m);
+							}
+							else
+							{
+								output[oi] = default;
+							}
 						}
 					}
 				}
 			}
 		}
 
-		private static void DecodeEtc2a8Block(ReadOnlySpan<byte> input, Span<uint> output)
+		private static void DecodeEtc2a8Block(ReadOnlySpan<byte> input, Span<ColorRGBA<byte>> output)
 		{
+			ThrowHelper.ThrowIfNotLittleEndian();
 			int @base = input[0];
 			int data1 = input[1];
 			int mul = data1 >> 4;
@@ -748,48 +852,50 @@ namespace AssetRipper.TextureDecoder.Etc
 			{
 				for (int i = 0; i < 16; i++)
 				{
-					DecodeEac11Block(MemoryMarshal.Cast<uint, byte>(output).Slice(3), @base);
+					DecodeEac11Block(MemoryMarshal.Cast<ColorRGBA<byte>, byte>(output).Slice(3), @base);
 				}
 			}
 			else
 			{
 				int table = data1 & 0xF;
 				ulong l = Get6SwapedBytes(input);
-				DecodeEac11Block(MemoryMarshal.Cast<uint, byte>(output).Slice(3), @base, table, mul, l);
+				DecodeEac11Block(MemoryMarshal.Cast<ColorRGBA<byte>, byte>(output).Slice(3), @base, table, mul, l);
 			}
 		}
 
-		private static void DecodeEacUnsignedBlock(ReadOnlySpan<byte> input, Span<uint> output, int channel)
+		private static void DecodeEacUnsignedBlock(ReadOnlySpan<byte> input, Span<ColorRGBA<byte>> output, int channel)
 		{
+			ThrowHelper.ThrowIfNotLittleEndian();
 			int @base = input[0];
 			int data1 = input[1];
 			int mul = data1 >> 4;
 			if (mul == 0)
 			{
-				DecodeEac11Block(MemoryMarshal.Cast<uint, byte>(output).Slice(channel), @base);
+				DecodeEac11Block(MemoryMarshal.Cast<ColorRGBA<byte>, byte>(output).Slice(channel), @base);
 			}
 			else
 			{
 				int table = data1 & 0xF;
 				ulong l = Get6SwapedBytes(input);
-				DecodeEac11Block(MemoryMarshal.Cast<uint, byte>(output).Slice(channel), @base, table, mul, l);
+				DecodeEac11Block(MemoryMarshal.Cast<ColorRGBA<byte>, byte>(output).Slice(channel), @base, table, mul, l);
 			}
 		}
 
-		private static void DecodeEacSignedBlock(ReadOnlySpan<byte> input, Span<uint> output, int channel)
+		private static void DecodeEacSignedBlock(ReadOnlySpan<byte> input, Span<ColorRGBA<byte>> output, int channel)
 		{
+			ThrowHelper.ThrowIfNotLittleEndian();
 			int @base = 127 + unchecked((sbyte)input[0]);
 			int data1 = input[1];
 			int mul = data1 >> 4;
 			if (mul == 0)
 			{
-				DecodeEac11Block(MemoryMarshal.Cast<uint, byte>(output).Slice(channel), @base);
+				DecodeEac11Block(MemoryMarshal.Cast<ColorRGBA<byte>, byte>(output).Slice(channel), @base);
 			}
 			else
 			{
 				int table = data1 & 0xF;
 				ulong l = Get6SwapedBytes(input);
-				DecodeEac11Block(MemoryMarshal.Cast<uint, byte>(output).Slice(channel), @base, table, mul, l);
+				DecodeEac11Block(MemoryMarshal.Cast<ColorRGBA<byte>, byte>(output).Slice(channel), @base, table, mul, l);
 			}
 		}
 
@@ -813,12 +919,6 @@ namespace AssetRipper.TextureDecoder.Etc
 			}
 		}
 
-		[MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
-		private static uint Color(int r, int g, int b, int a)
-		{
-			return unchecked((uint)(r << 16 | g << 8 | b | a << 24));
-		}
-
 		[MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
 		private static byte Clamp255(int n)
 		{
@@ -826,21 +926,21 @@ namespace AssetRipper.TextureDecoder.Etc
 		}
 
 		[MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
-		private static uint ApplicateColor(ReadOnlySpan<byte> c, int o, int m)
+		private static ColorRGBA<byte> ApplicateColor(ReadOnlySpan<byte> c, int o, int m)
 		{
-			return Color(Clamp255(c[o * 3 + 0] + m), Clamp255(c[o * 3 + 1] + m), Clamp255(c[o * 3 + 2] + m), 255);
+			return new(Clamp255(c[o * 3 + 0] + m), Clamp255(c[o * 3 + 1] + m), Clamp255(c[o * 3 + 2] + m), byte.MaxValue);
 		}
 
 		[MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
-		private static uint ApplicateColor(ReadOnlySpan<int> c, int o, int m)
+		private static ColorRGBA<byte> ApplicateColor(ReadOnlySpan<int> c, int o, int m)
 		{
-			return Color(Clamp255(c[o * 3 + 0] + m), Clamp255(c[o * 3 + 1] + m), Clamp255(c[o * 3 + 2] + m), 255);
+			return new(Clamp255(c[o * 3 + 0] + m), Clamp255(c[o * 3 + 1] + m), Clamp255(c[o * 3 + 2] + m), byte.MaxValue);
 		}
 
 		[MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
-		private static uint ApplicateColorRaw(ReadOnlySpan<byte> c, int o)
+		private static ColorRGBA<byte> ApplicateColorRaw(ReadOnlySpan<byte> c, int o)
 		{
-			return Color(c[o * 3 + 0], c[o * 3 + 1], c[o * 3 + 2], 255);
+			return new(c[o * 3 + 0], c[o * 3 + 1], c[o * 3 + 2], byte.MaxValue);
 		}
 
 		[MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
@@ -898,6 +998,6 @@ namespace AssetRipper.TextureDecoder.Etc
 			-4, -6,  -8,  -9, 3, 5, 7,  8,
 			-3, -5,  -7,  -9, 2, 4, 6,  8,
 		];
-		private static ReadOnlySpan<uint> PunchthroughMaskTable => [0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, 0xFFFFFFFF];
+		private static ReadOnlySpan<bool> PunchthroughBooleanTable => [true, true, false, true];
 	}
 }

AssetRipper.TextureDecoder/Exr/BinaryWriterExtensions.cs

@@ -76,16 +76,16 @@ internal static class BinaryWriterExtensions
 		switch (Unsafe.SizeOf<T>())
 		{
 			case sizeof(byte):
-				writer.Write(Unsafe.As<T, byte>(ref value));
+				writer.Write(Unsafe.BitCast<T, byte>(value));
 				break;
 			case sizeof(ushort):
-				writer.Write(Unsafe.As<T, ushort>(ref value));
+				writer.Write(Unsafe.BitCast<T, ushort>(value));
 				break;
 			case sizeof(uint):
-				writer.Write(Unsafe.As<T, uint>(ref value));
+				writer.Write(Unsafe.BitCast<T, uint>(value));
 				break;
 			case sizeof(ulong):
-				writer.Write(Unsafe.As<T, ulong>(ref value));
+				writer.Write(Unsafe.BitCast<T, ulong>(value));
 				break;
 		}
 	}

AssetRipper.TextureDecoder/Pvrtc/PvrtcDecoder.cs

@@ -1,38 +1,65 @@
-//#define DISABLE_TWINDDLING_ROUTINE
-#define ASSUME_IMAGE_TILING
+using AssetRipper.TextureDecoder.Rgb;
+using System.Diagnostics;
 
 namespace AssetRipper.TextureDecoder.Pvrtc
 {
 	public static partial class PvrtcDecoder
 	{
 		/// <summary>
-		/// Decompresses PVRTC to RGBA 8888
+		/// Decompresses PVRTC
 		/// </summary>
+		/// <typeparam name="TOutputColor">The <see cref="IColor{T}"/> type used for each pixel.</typeparam>
+		/// <typeparam name="TOutputChannelValue">The channel type used in <typeparamref name="TOutputColor"/>.</typeparam>
 		/// <param name="input">The PVRTC texture data to decompress</param>
 		/// <param name="xDim">X dimension (width) of the texture</param>
 		/// <param name="yDim">Y dimension (height) of the texture</param>
 		/// <param name="output">The decompressed texture data</param>
 		/// <param name="do2bitMode">Signifies whether the data is PVRTC2 or PVRTC4</param>
 		/// <returns>The number of bytes read from <paramref name="input"/></returns>
-		[MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
-		public static int DecompressPVRTC(ReadOnlySpan<byte> input, int xDim, int yDim, bool do2bitMode, out byte[] output)
+		public static int DecompressPVRTC<TOutputColor, TOutputChannelValue>(ReadOnlySpan<byte> input, int xDim, int yDim, bool do2bitMode, out byte[] output)
+			where TOutputChannelValue : unmanaged
+			where TOutputColor : unmanaged, IColor<TOutputChannelValue>
 		{
-			output = new byte[xDim * yDim * sizeof(uint)];
-			return DecompressPVRTC(input, xDim, yDim, do2bitMode, output);
+			output = new byte[xDim * yDim * Unsafe.SizeOf<TOutputColor>()];
+			return DecompressPVRTC<TOutputColor, TOutputChannelValue>(input, xDim, yDim, do2bitMode, output);
 		}
 
 		/// <summary>
-		/// Decompresses PVRTC to RGBA 8888
+		/// Decompresses PVRTC
 		/// </summary>
+		/// <typeparam name="TOutputColor">The <see cref="IColor{T}"/> type used for each pixel.</typeparam>
+		/// <typeparam name="TOutputChannelValue">The channel type used in <typeparamref name="TOutputColor"/>.</typeparam>
 		/// <param name="input">The PVRTC texture data to decompress</param>
 		/// <param name="xDim">X dimension (width) of the texture</param>
 		/// <param name="yDim">Y dimension (height) of the texture</param>
 		/// <param name="output">The decompressed texture data</param>
 		/// <param name="do2bitMode">Signifies whether the data is PVRTC2 or PVRTC4</param>
 		/// <returns>The number of bytes read from <paramref name="input"/></returns>
-		[MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
-		public static int DecompressPVRTC(ReadOnlySpan<byte> input, int xDim, int yDim, bool do2bitMode, Span<byte> output)
+		public static int DecompressPVRTC<TOutputColor, TOutputChannelValue>(ReadOnlySpan<byte> input, int xDim, int yDim, bool do2bitMode, Span<byte> output)
+			where TOutputChannelValue : unmanaged
+			where TOutputColor : unmanaged, IColor<TOutputChannelValue>
 		{
+			ThrowHelper.ThrowIfNotLittleEndian();
+			return DecompressPVRTC<TOutputColor, TOutputChannelValue>(input, xDim, yDim, do2bitMode, MemoryMarshal.Cast<byte, TOutputColor>(output));
+		}
+
+		/// <summary>
+		/// Decompresses PVRTC
+		/// </summary>
+		/// <typeparam name="TOutputColor">The <see cref="IColor{T}"/> type used for each pixel.</typeparam>
+		/// <typeparam name="TOutputChannelValue">The channel type used in <typeparamref name="TOutputColor"/>.</typeparam>
+		/// <param name="input">The PVRTC texture data to decompress</param>
+		/// <param name="xDim">X dimension (width) of the texture</param>
+		/// <param name="yDim">Y dimension (height) of the texture</param>
+		/// <param name="output">The decompressed texture data</param>
+		/// <param name="do2bitMode">Signifies whether the data is PVRTC2 or PVRTC4</param>
+		/// <returns>The number of bytes read from <paramref name="input"/></returns>
+		public static int DecompressPVRTC<TOutputColor, TOutputChannelValue>(ReadOnlySpan<byte> input, int xDim, int yDim, bool do2bitMode, Span<TOutputColor> output)
+			where TOutputChannelValue : unmanaged
+			where TOutputColor : unmanaged, IColor<TOutputChannelValue>
+		{
+			ThrowHelper.ThrowIfNotLittleEndian();
+			ThrowHelper.ThrowIfNotEnoughSpace(output.Length, xDim * yDim);
 			int xBlockSize = do2bitMode ? BlockX2bpp : BlockX4bpp;
 			// for MBX don't allow the sizes to get too small
 			int blockXDim = Math.Max(2, xDim / xBlockSize);
@@ -65,12 +92,12 @@ namespace AssetRipper.TextureDecoder.Pvrtc
 					int blockX = (x - xBlockSize / 2);
 					int blockY = (y - BlockYSize / 2);
 
-					blockX = LimitCoord(blockX, xDim) / xBlockSize;
-					blockY = LimitCoord(blockY, yDim) / BlockYSize;
+					blockX = LimitCoordinate(blockX, xDim) / xBlockSize;
+					blockY = LimitCoordinate(blockY, yDim) / BlockYSize;
 
 					// compute the positions of the other 3 blocks
-					int blockXp1 = LimitCoord(blockX + 1, blockXDim);
-					int blockYp1 = LimitCoord(blockY + 1, blockYDim);
+					int blockXp1 = LimitCoordinate(blockX + 1, blockXDim);
+					int blockYp1 = LimitCoordinate(blockY + 1, blockYDim);
 
 					// map to block memory locations
 					uint blocki00 = TwiddleUV((uint)blockYDim, (uint)blockXDim, (uint)blockY, (uint)blockX);
@@ -108,12 +135,12 @@ namespace AssetRipper.TextureDecoder.Pvrtc
 					InterpolateColours(m_colors[0], m_colors[1], m_colors[2], m_colors[3], 1, do2bitMode, x, y, bSig);
 					GetModulationValue(x, y, do2bitMode, modulationVals, modulationModes, out int mod, out bool doPT);
 
-					// compute the modulated color. Swap red and blue channel
-					int position = (x + y * xDim) << 2;
-					output[position + 0] = (byte)((aSig[2] * 8 + mod * (bSig[2] - aSig[2])) >> 3);
-					output[position + 1] = (byte)((aSig[1] * 8 + mod * (bSig[1] - aSig[1])) >> 3);
-					output[position + 2] = (byte)((aSig[0] * 8 + mod * (bSig[0] - aSig[0])) >> 3);
-					output[position + 3] = doPT ? (byte)0 : (byte)((aSig[3] * 8 + mod * (bSig[3] - aSig[3])) >> 3);
+					// compute the modulated color.
+					byte red = (byte)((aSig[0] * 8 + mod * (bSig[0] - aSig[0])) >> 3);
+					byte green = (byte)((aSig[1] * 8 + mod * (bSig[1] - aSig[1])) >> 3);
+					byte blue = (byte)((aSig[2] * 8 + mod * (bSig[2] - aSig[2])) >> 3);
+					byte alpha = doPT ? (byte)0 : (byte)((aSig[3] * 8 + mod * (bSig[3] - aSig[3])) >> 3);
+					output[x + y * xDim].SetConvertedChannels<TOutputColor, TOutputChannelValue, byte>(red, green, blue, alpha);
 				}
 			}
 
@@ -132,24 +159,10 @@ namespace AssetRipper.TextureDecoder.Pvrtc
 		/// <returns>The twiddled offset of the pixel</returns>
 		private static uint TwiddleUV(uint ySize, uint xSize, uint yPos, uint xPos)
 		{
-#if DEBUG
-			if (yPos >= ySize)
-			{
-				throw new Exception();
-			}
-			if (xPos >= xSize)
-			{
-				throw new Exception();
-			}
-			if (!BitOperations.IsPow2(ySize))
-			{
-				throw new Exception();
-			}
-			if (!BitOperations.IsPow2(xSize))
-			{
-				throw new Exception();
-			}
-#endif
+			Debug.Assert(yPos < ySize);
+			Debug.Assert(xPos < xSize);
+			Debug.Assert(BitOperations.IsPow2(ySize));
+			Debug.Assert(BitOperations.IsPow2(xSize));
 
 			uint minDimension;
 			uint maxValue;
@@ -164,10 +177,6 @@ namespace AssetRipper.TextureDecoder.Pvrtc
 				maxValue = yPos;
 			}
 
-#if DISABLE_TWINDDLING_ROUTINE
-			// nasty hack to disable twiddling
-			return (yPos * xSize + xPos);
-#else
 			// step through all the bits in the "minimum" dimension
 			uint srcBitPos = 1;
 			uint dstBitPos = 1;
@@ -195,7 +204,6 @@ namespace AssetRipper.TextureDecoder.Pvrtc
 			maxValue >>= shiftCount;
 			twiddled |= (maxValue << (2 * shiftCount));
 			return twiddled;
-#endif
 		}
 
 		/// <summary>
@@ -290,16 +298,11 @@ namespace AssetRipper.TextureDecoder.Pvrtc
 				}
 			}
 
-#if DEBUG
 			// sanity check
-			for (int i = 0; i < 4; i++)
-			{
-				if (result[i] >= 256)
-				{
-					throw new Exception("Sanity failed");
-				}
-			}
-#endif
+			Debug.Assert(result[0] < 256);
+			Debug.Assert(result[1] < 256);
+			Debug.Assert(result[2] < 256);
+			Debug.Assert(result[3] < 256);
 
 			// convert from 5554 to 8888, do RGB 5.3 => 8
 			for (int i = 0; i < 3; i++)
@@ -308,16 +311,11 @@ namespace AssetRipper.TextureDecoder.Pvrtc
 			}
 			result[3] += result[3] >> 4;
 
-#if DEBUG
 			// 2nd sanity check
-			for (int i = 0; i < 4; i++)
-			{
-				if (result[i] >= 256)
-				{
-					throw new Exception("2nd sanity failed");
-				}
-			}
-#endif
+			Debug.Assert(result[0] < 256);
+			Debug.Assert(result[1] < 256);
+			Debug.Assert(result[2] < 256);
+			Debug.Assert(result[3] < 256);
 		}
 
 		/// <summary>
@@ -456,19 +454,20 @@ namespace AssetRipper.TextureDecoder.Pvrtc
 		}
 
 		/// <summary>
-		/// Define an expression to either wrap or clamp large or small vals to the legal coordinate range
+		/// Define an expression to either wrap or clamp large or small values to the legal coordinate range.
 		/// </summary>
-		[MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
-		private static int LimitCoord(int value, int size)
+		private static int LimitCoordinate(int value, int size, bool assumeImageTiling = true)
 		{
-#if ASSUME_IMAGE_TILING
-			// wrap coord
-			return value & (size - 1);
-#else
-			// clamp
-			return h < x ? h : (x > l ? x : l);
-			return Clamp(Val, 0, Size - 1);
-#endif
+			if (assumeImageTiling)
+			{
+				// wrap coordinate
+				return value & (size - 1);
+			}
+			else
+			{
+				// clamp coordinate
+				return int.Clamp(value, 0, size - 1);
+			}
 		}
 
 		/// <summary>

AssetRipper.TextureDecoder/Rgb/Color.cs

@@ -82,7 +82,7 @@ public static class Color
 	{
 		if (typeof(TThis) == typeof(TTarget))
 		{
-			return Unsafe.As<TThis, TTarget>(ref color);
+			return Unsafe.BitCast<TThis, TTarget>(color);
 		}
 		else
 		{
@@ -92,4 +92,30 @@ public static class Color
 			return destination;
 		}
 	}
+
+	internal static TColor SRgbToLinear<TColor, TChannel>(this TColor color)
+		where TChannel : unmanaged
+		where TColor : unmanaged, IColor<TChannel>
+	{
+		color.GetChannels(out TChannel r, out TChannel g, out TChannel b, out TChannel a);
+		color.SetChannels(
+			SRgb.ToLinear(r),
+			SRgb.ToLinear(g),
+			SRgb.ToLinear(b),
+			a);
+		return color;
+	}
+
+	internal static TColor LinearToSRgb<TColor, TChannel>(this TColor color)
+		where TChannel : unmanaged
+		where TColor : unmanaged, IColor<TChannel>
+	{
+		color.GetChannels(out TChannel r, out TChannel g, out TChannel b, out TChannel a);
+		color.SetChannels(
+			SRgb.FromLinear(r),
+			SRgb.FromLinear(g),
+			SRgb.FromLinear(b),
+			a);
+		return color;
+	}
 }

AssetRipper.TextureDecoder/Rgb/Formats/ColorA.g.cs

@@ -4,6 +4,8 @@ namespace AssetRipper.TextureDecoder.Rgb.Formats;
 
 public partial struct ColorA<T> : IColor<ColorA<T>, T> where T : unmanaged, INumberBase<T>, IMinMaxValue<T>
 {
+	public T A { get; set; }
+
 	public readonly T R 
 	{
 		get => NumericConversion.GetMinimumValueSafe<T>();
@@ -22,8 +24,6 @@ public partial struct ColorA<T> : IColor<ColorA<T>, T> where T : unmanaged, INum
 		set { }
 	}
 
-	public T A { get; set; }
-
 	public ColorA(T a)
 	{
 		A = a;

AssetRipper.TextureDecoder/Rgb/Formats/ColorARGB.g.cs

@@ -0,0 +1,53 @@
+// Auto-generated code. Do not modify manually.
+
+namespace AssetRipper.TextureDecoder.Rgb.Formats;
+
+public partial struct ColorARGB<T> : IColor<ColorARGB<T>, T> where T : unmanaged, INumberBase<T>, IMinMaxValue<T>
+{
+	public T A { get; set; }
+
+	public T R { get; set; }
+
+	public T G { get; set; }
+
+	public T B { get; set; }
+
+	public ColorARGB(T r, T g, T b, T a)
+	{
+		R = r;
+		G = g;
+		B = b;
+		A = a;
+	}
+
+	public readonly void GetChannels(out T r, out T g, out T b, out T a)
+	{
+		r = R;
+		g = G;
+		b = B;
+		a = A;
+	}
+
+	public void SetChannels(T r, T g, T b, T a)
+	{
+		R = r;
+		G = g;
+		B = b;
+		A = a;
+	}
+
+	static bool IColor.HasRedChannel => true;
+	static bool IColor.HasGreenChannel => true;
+	static bool IColor.HasBlueChannel => true;
+	static bool IColor.HasAlphaChannel => true;
+	static bool IColor.ChannelsAreFullyUtilized => true;
+	static Type IColor.ChannelType => typeof(T);
+
+	public static ColorARGB<T> Black => new(NumericConversion.GetMinimumValueSafe<T>(), NumericConversion.GetMinimumValueSafe<T>(), NumericConversion.GetMinimumValueSafe<T>(), NumericConversion.GetMaximumValueSafe<T>());
+	public static ColorARGB<T> White => new(NumericConversion.GetMaximumValueSafe<T>(), NumericConversion.GetMaximumValueSafe<T>(), NumericConversion.GetMaximumValueSafe<T>(), NumericConversion.GetMaximumValueSafe<T>());
+
+	public override string ToString()
+	{
+		return $"{{ R: {R}, G: {G}, B: {B}, A: {A} }}";
+	}
+}

AssetRipper.TextureDecoder/Rgb/Formats/ColorARGB32.cs

@@ -1,20 +0,0 @@
-namespace AssetRipper.TextureDecoder.Rgb.Formats
-{
-	public partial struct ColorARGB32 : IColor<byte>
-	{
-		public byte A { get; set; }
-		public byte R { get; set; }
-		public byte G { get; set; }
-		public byte B { get; set; }
-
-		public readonly void GetChannels(out byte r, out byte g, out byte b, out byte a)
-		{
-			DefaultColorMethods.GetChannels(this, out r, out g, out b, out a);
-		}
-
-		public void SetChannels(byte r, byte g, byte b, byte a)
-		{
-			DefaultColorMethods.SetChannels(ref this, r, g, b, a);
-		}
-	}
-}

AssetRipper.TextureDecoder/Rgb/Formats/ColorARGB32.g.cs

@@ -1,19 +0,0 @@
-// Auto-generated code. Do not modify manually.
-
-namespace AssetRipper.TextureDecoder.Rgb.Formats
-{
-	public partial struct ColorARGB32 : IColor<byte>
-	{
-		static bool IColor.HasRedChannel => true;
-		static bool IColor.HasGreenChannel => true;
-		static bool IColor.HasBlueChannel => true;
-		static bool IColor.HasAlphaChannel => true;
-		static bool IColor.ChannelsAreFullyUtilized => true;
-		static Type IColor.ChannelType => typeof(byte);
-
-		public override string ToString()
-		{
-			return $"{{ R: {R}, G: {G}, B: {B}, A: {A} }}";
-		}
-	}
-}

AssetRipper.TextureDecoder/Rgb/Formats/ColorBGR.g.cs

@@ -0,0 +1,55 @@
+// Auto-generated code. Do not modify manually.
+
+namespace AssetRipper.TextureDecoder.Rgb.Formats;
+
+public partial struct ColorBGR<T> : IColor<ColorBGR<T>, T> where T : unmanaged, INumberBase<T>, IMinMaxValue<T>
+{
+	public T B { get; set; }
+
+	public T G { get; set; }
+
+	public T R { get; set; }
+
+	public readonly T A 
+	{
+		get => NumericConversion.GetMaximumValueSafe<T>();
+		set { }
+	}
+
+	public ColorBGR(T r, T g, T b)
+	{
+		R = r;
+		G = g;
+		B = b;
+	}
+
+	public readonly void GetChannels(out T r, out T g, out T b, out T a)
+	{
+		r = R;
+		g = G;
+		b = B;
+		a = A;
+	}
+
+	public void SetChannels(T r, T g, T b, T a)
+	{
+		R = r;
+		G = g;
+		B = b;
+	}
+
+	static bool IColor.HasRedChannel => true;
+	static bool IColor.HasGreenChannel => true;
+	static bool IColor.HasBlueChannel => true;
+	static bool IColor.HasAlphaChannel => false;
+	static bool IColor.ChannelsAreFullyUtilized => true;
+	static Type IColor.ChannelType => typeof(T);
+
+	public static ColorBGR<T> Black => new(NumericConversion.GetMinimumValueSafe<T>(), NumericConversion.GetMinimumValueSafe<T>(), NumericConversion.GetMinimumValueSafe<T>());
+	public static ColorBGR<T> White => new(NumericConversion.GetMaximumValueSafe<T>(), NumericConversion.GetMaximumValueSafe<T>(), NumericConversion.GetMaximumValueSafe<T>());
+
+	public override string ToString()
+	{
+		return $"{{ R: {R}, G: {G}, B: {B} }}";
+	}
+}

AssetRipper.TextureDecoder/Rgb/Formats/ColorBGRA.g.cs

@@ -0,0 +1,53 @@
+// Auto-generated code. Do not modify manually.
+
+namespace AssetRipper.TextureDecoder.Rgb.Formats;
+
+public partial struct ColorBGRA<T> : IColor<ColorBGRA<T>, T> where T : unmanaged, INumberBase<T>, IMinMaxValue<T>
+{
+	public T B { get; set; }
+
+	public T G { get; set; }
+
+	public T R { get; set; }
+
+	public T A { get; set; }
+
+	public ColorBGRA(T r, T g, T b, T a)
+	{
+		R = r;
+		G = g;
+		B = b;
+		A = a;
+	}
+
+	public readonly void GetChannels(out T r, out T g, out T b, out T a)
+	{
+		r = R;
+		g = G;
+		b = B;
+		a = A;
+	}
+
+	public void SetChannels(T r, T g, T b, T a)
+	{
+		R = r;
+		G = g;
+		B = b;
+		A = a;
+	}
+
+	static bool IColor.HasRedChannel => true;
+	static bool IColor.HasGreenChannel => true;
+	static bool IColor.HasBlueChannel => true;
+	static bool IColor.HasAlphaChannel => true;
+	static bool IColor.ChannelsAreFullyUtilized => true;
+	static Type IColor.ChannelType => typeof(T);
+
+	public static ColorBGRA<T> Black => new(NumericConversion.GetMinimumValueSafe<T>(), NumericConversion.GetMinimumValueSafe<T>(), NumericConversion.GetMinimumValueSafe<T>(), NumericConversion.GetMaximumValueSafe<T>());
+	public static ColorBGRA<T> White => new(NumericConversion.GetMaximumValueSafe<T>(), NumericConversion.GetMaximumValueSafe<T>(), NumericConversion.GetMaximumValueSafe<T>(), NumericConversion.GetMaximumValueSafe<T>());
+
+	public override string ToString()
+	{
+		return $"{{ R: {R}, G: {G}, B: {B}, A: {A} }}";
+	}
+}

AssetRipper.TextureDecoder/Rgb/Formats/ColorBGRA32.cs

@@ -1,20 +0,0 @@
-namespace AssetRipper.TextureDecoder.Rgb.Formats
-{
-	public partial struct ColorBGRA32 : IColor<byte>
-	{
-		public byte B { get; set; }
-		public byte G { get; set; }
-		public byte R { get; set; }
-		public byte A { get; set; }
-
-		public readonly void GetChannels(out byte r, out byte g, out byte b, out byte a)
-		{
-			DefaultColorMethods.GetChannels(this, out r, out g, out b, out a);
-		}
-
-		public void SetChannels(byte r, byte g, byte b, byte a)
-		{
-			DefaultColorMethods.SetChannels(ref this, r, g, b, a);
-		}
-	}
-}

AssetRipper.TextureDecoder/Rgb/Formats/ColorBGRA32.g.cs

@@ -1,19 +0,0 @@
-// Auto-generated code. Do not modify manually.
-
-namespace AssetRipper.TextureDecoder.Rgb.Formats
-{
-	public partial struct ColorBGRA32 : IColor<byte>
-	{
-		static bool IColor.HasRedChannel => true;
-		static bool IColor.HasGreenChannel => true;
-		static bool IColor.HasBlueChannel => true;
-		static bool IColor.HasAlphaChannel => true;
-		static bool IColor.ChannelsAreFullyUtilized => true;
-		static Type IColor.ChannelType => typeof(byte);
-
-		public override string ToString()
-		{
-			return $"{{ R: {R}, G: {G}, B: {B}, A: {A} }}";
-		}
-	}
-}

AssetRipper.TextureDecoder/Rgb/NumericConversion.cs

@@ -42,7 +42,7 @@ public static partial class NumericConversion
 
 		TFrom SignBit = TFrom.One << (Unsafe.SizeOf<TFrom>() * 8 - 1);
 		TFrom converted = (SignBit ^ value);
-		return Unsafe.As<TFrom, TTo>(ref converted);
+		return Unsafe.BitCast<TFrom, TTo>(converted);
 	}
 
 	[MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
@@ -56,6 +56,6 @@ public static partial class NumericConversion
 		}
 
 		TTo SignBit = TTo.One << (Unsafe.SizeOf<TTo>() * 8 - 1);
-		return SignBit ^ Unsafe.As<TFrom, TTo>(ref value);
+		return SignBit ^ Unsafe.BitCast<TFrom, TTo>(value);
 	}
 }

AssetRipper.TextureDecoder/Rgb/RgbConverter.cs

@@ -1,490 +1,7 @@
-using System.Buffers.Binary;
-
 namespace AssetRipper.TextureDecoder.Rgb
 {
 	public static class RgbConverter
 	{
-		[MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
-		public static int A8ToBGRA32(ReadOnlySpan<byte> input, int width, int height, out byte[] output)
-		{
-			output = new byte[width * height * 4];
-			return A8ToBGRA32(input, width, height, output);
-		}
-
-		[MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
-		public static int A8ToBGRA32(ReadOnlySpan<byte> input, int width, int height, Span<byte> output)
-		{
-			int io = 0;
-			int oo = 0;
-			for (int i = 0; i < width; i++)
-			{
-				for (int j = 0; j < height; j++)
-				{
-					output[oo + 0] = 0;			// b
-					output[oo + 1] = 0;			// g
-					output[oo + 2] = 0;			// r
-					output[oo + 3] = input[io]; // a
-					oo += 4;
-					io++;
-				}
-			}
-			return io;
-		}
-
-		[MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
-		public static int RGB24ToBGRA32(ReadOnlySpan<byte> input, int width, int height, out byte[] output)
-		{
-			output = new byte[width * height * 4];
-			return RGB24ToBGRA32(input, width, height, output);
-		}
-
-		[MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
-		public static int RGB24ToBGRA32(ReadOnlySpan<byte> input, int width, int height, Span<byte> output)
-		{
-			int io = 0;
-			int oo = 0;
-			for (int i = 0; i < width; i++)
-			{
-				for (int j = 0; j < height; j++)
-				{
-					output[oo + 0] = input[io + 2];	// b
-					output[oo + 1] = input[io + 1];	// g
-					output[oo + 2] = input[io + 0];	// r
-					output[oo + 3] = 255;           // a
-					io += 3;
-					oo += 4;
-				}
-			}
-			return io;
-		}
-
-		[MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
-		public static int RGBA32ToBGRA32(ReadOnlySpan<byte> input, int width, int height, out byte[] output)
-		{
-			output = new byte[width * height * 4];
-			return RGBA32ToBGRA32(input, width, height, output);
-		}
-
-		[MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
-		public static int RGBA32ToBGRA32(ReadOnlySpan<byte> input, int width, int height, Span<byte> output)
-		{
-			int io = 0;
-			int oo = 0;
-			for (int i = 0; i < width; i++)
-			{
-				for (int j = 0; j < height; j++)
-				{
-					output[oo + 0] = input[io + 2]; // b
-					output[oo + 1] = input[io + 1]; // g
-					output[oo + 2] = input[io + 0]; // r
-					output[oo + 3] = input[io + 3]; // a
-					io += 4;
-					oo += 4;
-				}
-			}
-			return io;
-		}
-
-		[MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
-		public static int ARGB32ToBGRA32(ReadOnlySpan<byte> input, int width, int height, out byte[] output)
-		{
-			output = new byte[width * height * 4];
-			return ARGB32ToBGRA32(input, width, height, output);
-		}
-
-		[MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
-		public static int ARGB32ToBGRA32(ReadOnlySpan<byte> input, int width, int height, Span<byte> output)
-		{
-			int io = 0;
-			int oo = 0;
-			for (int i = 0; i < width; i++)
-			{
-				for (int j = 0; j < height; j++)
-				{
-					output[oo + 0] = input[io + 3]; // b
-					output[oo + 1] = input[io + 2]; // g
-					output[oo + 2] = input[io + 1]; // r
-					output[oo + 3] = input[io + 0]; // a
-					io += 4;
-					oo += 4;
-				}
-			}
-			return io;
-		}
-
-		[MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
-		public static int RGB16ToBGRA32(ReadOnlySpan<byte> input, int width, int height, out byte[] output)
-		{
-			output = new byte[width * height * 4];
-			return RGB16ToBGRA32(input, width, height, output);
-		}
-
-		[MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
-		public static int RGB16ToBGRA32(ReadOnlySpan<byte> input, int width, int height, Span<byte> output)
-		{
-			int io = 0;
-			int oo = 0;
-			for (int i = 0; i < width; i++)
-			{
-				for (int j = 0; j < height; j++)
-				{
-					byte r = (byte)(input[io + 1] & 0xF8);
-					byte g = unchecked((byte)((input[io + 1] << 5) | ((input[io + 0] & 0xE0) >> 3)));
-					byte b = unchecked((byte)(input[io + 0] << 3));
-					output[oo + 0] = b;		// b
-					output[oo + 1] = g;		// g
-					output[oo + 2] = r;		// r
-					output[oo + 3] = 255;   // a
-					io += 2;
-					oo += 4;
-				}
-			}
-			return io;
-		}
-
-		[MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
-		public static int RG16ToBGRA32(ReadOnlySpan<byte> input, int width, int height, out byte[] output)
-		{
-			output = new byte[width * height * 4];
-			return RG16ToBGRA32(input, width, height, output);
-		}
-
-		[MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
-		public static int RG16ToBGRA32(ReadOnlySpan<byte> input, int width, int height, Span<byte> output)
-		{
-			int io = 0;
-			int oo = 0;
-			for (int i = 0; i < width; i++)
-			{
-				for (int j = 0; j < height; j++)
-				{
-					output[oo + 0] = 0;				// b
-					output[oo + 1] = input[io + 1]; // g
-					output[oo + 2] = input[io + 0]; // r
-					output[oo + 3] = 255;			// a
-					io += 2;
-					oo += 4;
-				}
-			}
-			return io;
-		}
-
-		[MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
-		public static int R8ToBGRA32(ReadOnlySpan<byte> input, int width, int height, out byte[] output)
-		{
-			output = new byte[width * height * 4];
-			return R8ToBGRA32(input, width, height, output);
-		}
-
-		[MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
-		public static int R8ToBGRA32(ReadOnlySpan<byte> input, int width, int height, Span<byte> output)
-		{
-			int io = 0;
-			int oo = 0;
-			for (int i = 0; i < width; i++)
-			{
-				for (int j = 0; j < height; j++)
-				{
-					output[oo + 0] = 0;             // b
-					output[oo + 1] = 0;				// g
-					output[oo + 2] = input[io + 0]; // r
-					output[oo + 3] = 255;           // a
-					io += 1;
-					oo += 4;
-				}
-			}
-			return io;
-		}
-
-		[MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
-		public static int RHalfToBGRA32(ReadOnlySpan<byte> input, int width, int height, out byte[] output)
-		{
-			output = new byte[width * height * 4];
-			return RHalfToBGRA32(input, width, height, output);
-		}
-
-		[MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
-		public static int RHalfToBGRA32(ReadOnlySpan<byte> input, int width, int height, Span<byte> output)
-		{
-			int io = 0;
-			int oo = 0;
-			for (int i = 0; i < width; i++)
-			{
-				for (int j = 0; j < height; j++)
-				{
-					byte r = ClampByte(ToHalf(input, io) * 255f);
-					output[oo + 0] = 0;             // b
-					output[oo + 1] = 0;             // g
-					output[oo + 2] = r;				// r
-					output[oo + 3] = 255;           // a
-					io += 2;
-					oo += 4;
-				}
-			}
-			return io;
-		}
-
-		[MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
-		public static int RGHalfToBGRA32(ReadOnlySpan<byte> input, int width, int height, out byte[] output)
-		{
-			output = new byte[width * height * 4];
-			return RGHalfToBGRA32(input, width, height, output);
-		}
-
-		[MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
-		public static int RGHalfToBGRA32(ReadOnlySpan<byte> input, int width, int height, Span<byte> output)
-		{
-			int io = 0;
-			int oo = 0;
-			for (int i = 0; i < width; i++)
-			{
-				for (int j = 0; j < height; j++)
-				{
-					byte r = ClampByte(ToHalf(input, io + 0) * 255f);
-					byte g = ClampByte(ToHalf(input, io + 2) * 255f);
-					output[oo + 0] = 0;             // b
-					output[oo + 1] = g;             // g
-					output[oo + 2] = r;             // r
-					output[oo + 3] = 255;           // a
-					io += 4;
-					oo += 4;
-				}
-			}
-			return io;
-		}
-
-		[MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
-		public static int RGBAHalfToBGRA32(ReadOnlySpan<byte> input, int width, int height, out byte[] output)
-		{
-			output = new byte[width * height * 4];
-			return RGBAHalfToBGRA32(input, width, height, output);
-		}
-
-		[MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
-		public static int RGBAHalfToBGRA32(ReadOnlySpan<byte> input, int width, int height, Span<byte> output)
-		{
-			int io = 0;
-			int oo = 0;
-			for (int i = 0; i < width; i++)
-			{
-				for (int j = 0; j < height; j++)
-				{
-					byte r = ClampByte(ToHalf(input, io + 0) * 255f);
-					byte g = ClampByte(ToHalf(input, io + 2) * 255f);
-					byte b = ClampByte(ToHalf(input, io + 4) * 255f);
-					byte a = ClampByte(ToHalf(input, io + 6) * 255f);
-					output[oo + 0] = b;             // b
-					output[oo + 1] = g;             // g
-					output[oo + 2] = r;             // r
-					output[oo + 3] = a;				// a
-					io += 8;
-					oo += 4;
-				}
-			}
-			return io;
-		}
-
-		[MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
-		public static int RFloatToBGRA32(ReadOnlySpan<byte> input, int width, int height, out byte[] output)
-		{
-			output = new byte[width * height * 4];
-			return RFloatToBGRA32(input, width, height, output);
-		}
-
-		[MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
-		public static int RFloatToBGRA32(ReadOnlySpan<byte> input, int width, int height, Span<byte> output)
-		{
-			int io = 0;
-			int oo = 0;
-			for (int i = 0; i < width; i++)
-			{
-				for (int j = 0; j < height; j++)
-				{
-					byte r = ClampByte(ToSingle(input, io) * 255f);
-					output[oo + 0] = 0;				// b
-					output[oo + 1] = 0;				// g
-					output[oo + 2] = r;				// r
-					output[oo + 3] = 255;			// a
-					io += 4;
-					oo += 4;
-				}
-			}
-			return io;
-		}
-
-		[MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
-		public static int RGFloatToBGRA32(ReadOnlySpan<byte> input, int width, int height, out byte[] output)
-		{
-			output = new byte[width * height * 4];
-			return RGFloatToBGRA32(input, width, height, output);
-		}
-
-		[MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
-		public static int RGFloatToBGRA32(ReadOnlySpan<byte> input, int width, int height, Span<byte> output)
-		{
-			int io = 0;
-			int oo = 0;
-			for (int i = 0; i < width; i++)
-			{
-				for (int j = 0; j < height; j++)
-				{
-					byte r = ClampByte(ToSingle(input, io + 0) * 255f);
-					byte g = ClampByte(ToSingle(input, io + 4) * 255f);
-					output[oo + 0] = 0;             // b
-					output[oo + 1] = g;             // g
-					output[oo + 2] = r;             // r
-					output[oo + 3] = 255;           // a
-					io += 8;
-					oo += 4;
-				}
-			}
-			return io;
-		}
-
-		[MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
-		public static int RGBAFloatToBGRA32(ReadOnlySpan<byte> input, int width, int height, out byte[] output)
-		{
-			output = new byte[width * height * 4];
-			return RGBAFloatToBGRA32(input, width, height, output);
-		}
-
-		[MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
-		public static int RGBAFloatToBGRA32(ReadOnlySpan<byte> input, int width, int height, Span<byte> output)
-		{
-			int io = 0;
-			int oo = 0;
-			for (int i = 0; i < width; i++)
-			{
-				for (int j = 0; j < height; j++)
-				{
-					byte r = ClampByte(ToSingle(input, io + 0) * 255f);
-					byte g = ClampByte(ToSingle(input, io + 4) * 255f);
-					byte b = ClampByte(ToSingle(input, io + 8) * 255f);
-					byte a = ClampByte(ToSingle(input, io + 12) * 255f);
-					output[oo + 0] = b;				// b
-					output[oo + 1] = g;				// g
-					output[oo + 2] = r;				// r
-					output[oo + 3] = a;				// a
-					io += 16;
-					oo += 4;
-				}
-			}
-			return io;
-		}
-
-		[MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
-		public static int RGB9e5FloatToBGRA32(ReadOnlySpan<byte> input, int width, int height, out byte[] output)
-		{
-			output = new byte[width * height * 4];
-			return RGB9e5FloatToBGRA32(input, width, height, output);
-		}
-
-		[MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
-		public static int RGB9e5FloatToBGRA32(ReadOnlySpan<byte> input, int width, int height, Span<byte> output)
-		{
-			int io = 0;
-			int oo = 0;
-			for (int i = 0; i < width; i++)
-			{
-				for (int j = 0; j < height; j++)
-				{
-					uint value = BinaryPrimitives.ReadUInt32LittleEndian(input.Slice(io, 4));
-					double scale = Math.Pow(2, unchecked((int)(value >> 27) - 24));
-					byte r = ClampByte((value >> 0 & 0x1FF) * scale * 255.0);
-					byte g = ClampByte((value >> 9 & 0x1FF) * scale * 255.0);
-					byte b = ClampByte((value >> 18 & 0x1FF) * scale * 255.0);
-					output[oo + 0] = b;             // b
-					output[oo + 1] = g;             // g
-					output[oo + 2] = r;             // r
-					output[oo + 3] = 255;           // a
-					io += 4;
-					oo += 4;
-				}
-			}
-			return io;
-		}
-
-		[MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
-		public static int RG32ToBGRA32(ReadOnlySpan<byte> input, int width, int height, out byte[] output)
-		{
-			output = new byte[width * height * 4];
-			return RG32ToBGRA32(input, width, height, output);
-		}
-
-		[MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
-		public static int RG32ToBGRA32(ReadOnlySpan<byte> input, int width, int height, Span<byte> output)
-		{
-			int io = 0;
-			int oo = 0;
-			for (int i = 0; i < width; i++)
-			{
-				for (int j = 0; j < height; j++)
-				{
-					output[oo + 0] = 0;             // b
-					output[oo + 1] = input[io + 3]; // g
-					output[oo + 2] = input[io + 1]; // r
-					output[oo + 3] = 255;           // a
-					io += 4;
-					oo += 4;
-				}
-			}
-			return io;
-		}
-
-		[MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
-		public static int RGB48ToBGRA32(ReadOnlySpan<byte> input, int width, int height, out byte[] output)
-		{
-			output = new byte[width * height * 4];
-			return RGB48ToBGRA32(input, width, height, output);
-		}
-
-		[MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
-		public static int RGB48ToBGRA32(ReadOnlySpan<byte> input, int width, int height, Span<byte> output)
-		{
-			int io = 0;
-			int oo = 0;
-			for (int i = 0; i < width; i++)
-			{
-				for (int j = 0; j < height; j++)
-				{
-					output[oo + 0] = input[io + 5]; // b
-					output[oo + 1] = input[io + 3]; // g
-					output[oo + 2] = input[io + 1]; // r
-					output[oo + 3] = 255;           // a
-					io += 6;
-					oo += 4;
-				}
-			}
-			return io;
-		}
-
-		[MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
-		public static int RGBA64ToBGRA32(ReadOnlySpan<byte> input, int width, int height, out byte[] output)
-		{
-			output = new byte[width * height * 4];
-			return RGBA64ToBGRA32(input, width, height, output);
-		}
-
-		[MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
-		public static int RGBA64ToBGRA32(ReadOnlySpan<byte> input, int width, int height, Span<byte> output)
-		{
-			int io = 0;
-			int oo = 0;
-			for (int i = 0; i < width; i++)
-			{
-				for (int j = 0; j < height; j++)
-				{
-					output[oo + 0] = input[io + 5]; // b
-					output[oo + 1] = input[io + 3]; // g
-					output[oo + 2] = input[io + 1]; // r
-					output[oo + 3] = input[io + 7]; // a
-					io += 8;
-					oo += 4;
-				}
-			}
-			return io;
-		}
-
 		[MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
 		public static int Convert<TSourceColor, TSourceChannel, TDestinationColor, TDestinationChannel>(ReadOnlySpan<byte> input, int width, int height, out byte[] output)
 			where TSourceChannel : unmanaged
@@ -503,6 +20,7 @@ namespace AssetRipper.TextureDecoder.Rgb
 			where TDestinationChannel : unmanaged
 			where TDestinationColor : unmanaged, IColor<TDestinationChannel>
 		{
+			ThrowHelper.ThrowIfNotLittleEndian();
 			ReadOnlySpan<TSourceColor> sourceSpan = MemoryMarshal.Cast<byte, TSourceColor>(input).Slice(0, width * height);
 			Span<TDestinationColor> destinationSpan = MemoryMarshal.Cast<byte, TDestinationColor>(output).Slice(0, width * height);
 			Convert<TSourceColor, TSourceChannel, TDestinationColor, TDestinationChannel>(sourceSpan, destinationSpan);
@@ -516,34 +34,55 @@ namespace AssetRipper.TextureDecoder.Rgb
 			where TDestinationChannel : unmanaged
 			where TDestinationColor : unmanaged, IColor<TDestinationChannel>
 		{
-			for (int i = 0; i < sourceSpan.Length; i++)
+			if (sourceSpan.Length is 0)
 			{
-				destinationSpan[i] = sourceSpan[i].Convert<TSourceColor, TSourceChannel, TDestinationColor, TDestinationChannel>();
+				// Do nothing if the source span is empty
+			}
+			else if (destinationSpan.Length < sourceSpan.Length)
+			{
+				ThrowDestinationSpanNotLargeEnough();
+			}
+			else if (typeof(TSourceColor) != typeof(TDestinationColor))
+			{
+				for (int i = 0; i < sourceSpan.Length; i++)
+				{
+					destinationSpan[i] = sourceSpan[i].Convert<TSourceColor, TSourceChannel, TDestinationColor, TDestinationChannel>();
+				}
+			}
+			else if (Unsafe.AreSame(in sourceSpan[0], ref Unsafe.As<TDestinationColor, TSourceColor>(ref destinationSpan[0])))
+			{
+				// Do nothing because the source and destination point to the same memory
+			}
+			else
+			{
+				// Note: This assumes that the source and destination will never overlap.
+				sourceSpan.CopyTo(MemoryMarshal.Cast<TDestinationColor, TSourceColor>(destinationSpan));
+			}
+
+			static void ThrowDestinationSpanNotLargeEnough()
+			{
+				throw new ArgumentException("Destination span is not large enough to hold the converted data.", nameof(destinationSpan));
 			}
 		}
 
-		[MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
-		private static float ToHalf(ReadOnlySpan<byte> input, int offset)
+		public static void SRgbToLinear<TColor, TChannel>(Span<TColor> span)
+			where TChannel : unmanaged
+			where TColor : unmanaged, IColor<TChannel>
 		{
-			return (float)BinaryPrimitives.ReadHalfLittleEndian(input.Slice(offset, 2));
+			for (int i = 0; i < span.Length; i++)
+			{
+				span[i] = span[i].SRgbToLinear<TColor, TChannel>();
+			}
 		}
 
-		[MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
-		private static float ToSingle(ReadOnlySpan<byte> input, int offset)
+		public static void LinearToSRgb<TColor, TChannel>(Span<TColor> span)
+			where TChannel : unmanaged
+			where TColor : unmanaged, IColor<TChannel>
 		{
-			return BinaryPrimitives.ReadSingleLittleEndian(input.Slice(offset, 4));
-		}
-
-		[MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
-		private static byte ClampByte(float x)
-		{
-			return byte.MaxValue < x ? byte.MaxValue : (x > byte.MinValue ? (byte)x : byte.MinValue);
-		}
-
-		[MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
-		private static byte ClampByte(double x)
-		{
-			return byte.MaxValue < x ? byte.MaxValue : (x > byte.MinValue ? (byte)x : byte.MinValue);
+			for (int i = 0; i < span.Length; i++)
+			{
+				span[i] = span[i].LinearToSRgb<TColor, TChannel>();
+			}
 		}
 	}
 }

AssetRipper.TextureDecoder/Rgb/SRgb.cs

@@ -0,0 +1,42 @@
+namespace AssetRipper.TextureDecoder.Rgb;
+
+internal static class SRgb
+{
+	public static T ToLinear<T>(T value) where T : unmanaged
+	{
+		double d = NumericConversion.Convert<T, double>(value);
+		d = SRgbToLinear(d);
+		return NumericConversion.Convert<double, T>(d);
+	}
+
+	public static T FromLinear<T>(T value) where T : unmanaged
+	{
+		double d = NumericConversion.Convert<T, double>(value);
+		d = LinearToSRgb(d);
+		return NumericConversion.Convert<double, T>(d);
+	}
+
+	private static double SRgbToLinear(double value)
+	{
+		if (value <= 0.04045)
+		{
+			return value / 12.92;
+		}
+		else
+		{
+			return double.Pow((value + 0.055) / 1.055, 2.4);
+		}
+	}
+
+	private static double LinearToSRgb(double value)
+	{
+		if (value <= 0.0031308)
+		{
+			return value * 12.92;
+		}
+		else
+		{
+			return 1.055 * double.Pow(value, 1.0 / 2.4) - 0.055;
+		}
+	}
+}

AssetRipper.TextureDecoder/ThrowHelper.cs

@@ -19,5 +19,13 @@
 				throw new InvalidOperationException($"Not enough space. {spaceRequired} is required, but only {spaceAvailable} is available");
 			}
 		}
+
+		internal static void ThrowIfNotLittleEndian()
+		{
+			if (!BitConverter.IsLittleEndian)
+			{
+				throw new PlatformNotSupportedException();
+			}
+		}
 	}
 }

AssetRipper.TextureDecoder/Yuy2/Yuy2Decoder.cs

@@ -1,36 +1,9 @@
 using AssetRipper.TextureDecoder.Rgb;
-using AssetRipper.TextureDecoder.Rgb.Formats;
 
 namespace AssetRipper.TextureDecoder.Yuy2
 {
 	public static class Yuy2Decoder
 	{
-		/// <summary>
-		/// Decompress a YUY2 image
-		/// </summary>
-		/// <param name="input">Input buffer containing the compressed image.</param>
-		/// <param name="width">Pixel width of the image.</param>
-		/// <param name="height">Pixel height of the image.</param>
-		/// <param name="output">An output buffer of size 4 * width * height.</param>
-		/// <returns>Number of bytes read from <paramref name="input"/></returns>
-		public static int DecompressYUY2(ReadOnlySpan<byte> input, int width, int height, out byte[] output)
-		{
-			return DecompressYUY2<ColorBGRA32, byte>(input, width, height, out output);
-		}
-
-		/// <summary>
-		/// Decompress a YUY2 image
-		/// </summary>
-		/// <param name="input">Input buffer containing the compressed image.</param>
-		/// <param name="width">Pixel width of the image.</param>
-		/// <param name="height">Pixel height of the image.</param>
-		/// <param name="output">An output buffer. Must be at least 4 * width * height.</param>
-		/// <returns>Number of bytes read from <paramref name="input"/></returns>
-		public static int DecompressYUY2(ReadOnlySpan<byte> input, int width, int height, Span<byte> output)
-		{
-			return DecompressYUY2<ColorBGRA32, byte>(input, width, height, output);
-		}
-
 		/// <summary>
 		/// Decompress a YUY2 image
 		/// </summary>
@@ -63,6 +36,7 @@ namespace AssetRipper.TextureDecoder.Yuy2
 			where TOutputChannelValue : unmanaged
 			where TOutputColor : unmanaged, IColor<TOutputChannelValue>
 		{
+			ThrowHelper.ThrowIfNotLittleEndian();
 			return DecompressYUY2<TOutputColor, TOutputChannelValue>(input, width, height, MemoryMarshal.Cast<byte, TOutputColor>(output));
 		}
 

Directory.Build.props

@@ -1,13 +1,12 @@
 <Project>
 	<PropertyGroup>
-		<TargetFramework>net8.0</TargetFramework>
+		<TargetFramework>net10.0</TargetFramework>
 		<LangVersion>Latest</LangVersion>
 		<Nullable>enable</Nullable>
 		<IsAotCompatible>true</IsAotCompatible>
 		<CheckForOverflowUnderflow>true</CheckForOverflowUnderflow>
 
-		<Version>2.2.1</Version>
-		<AssemblyVersion>$(Version)</AssemblyVersion>
+		<VersionPrefix>2.6.1</VersionPrefix>
 		<Copyright>Copyright © ds5678</Copyright>
 		<Authors>ds5678</Authors>
 		<Company>AssetRipper</Company>

IntegerConversion.ConstantEstimation/Program.cs

@@ -8,17 +8,18 @@ internal class Program
 	{
 		int originalBitCount = int.Parse(args[0]);
 		int newBitCount = int.Parse(args[1]);
-		EstimateConstants(originalBitCount, newBitCount, out uint a, out uint b, out int c);
+		bool perfectMatch = EstimateConstants(originalBitCount, newBitCount, out uint a, out long b, out int c);
 		Console.WriteLine("Done!");
 		Console.WriteLine($"Result: ({a} * x + {b}) >> {c}");
+		Console.WriteLine($"Perfect match: {perfectMatch}");
 	}
 
-	private static void EstimateConstants(int originalBitCount, int newBitCount, out uint a, out uint b, out int c)
+	private static bool EstimateConstants(int originalBitCount, int newBitCount, out uint a, out long b, out int c)
 	{
 		a = default;
 		b = default;
 		c = default;
-		float bestError = float.MaxValue;//Sum of squared errors
+		double bestError = double.MaxValue;//Sum of squared errors
 		uint originalMaxValue = GetIntegerMaxValue(originalBitCount);
 		uint newMaxValue = GetIntegerMaxValue(newBitCount);
 		int bitDiff = newBitCount - originalBitCount;
@@ -27,55 +28,94 @@ internal class Program
 		//If bitDiff is negative, it means we are going from large numbers to small numbers.
 		//In other words, we will always have to shift right by at least enough to overcome the bit surplus.
 		int minc = int.Max(0, -bitDiff);
+		// We are limited to a 32-bit result, so we cannot shift left so much that we exceed 32 bits.
 		int maxc = 32 - newBitCount;
 
 		for (int ic = minc; ic <= maxc; ic++)
 		{
 			Console.WriteLine(ic);
 
-			//a: 2 ^ (c + bitDiff) to 2 ^ (c + bitDiff + 1)
-			uint mina = Pow2(ic + bitDiff);
-			uint maxa = Pow2(ic + bitDiff + 1);
+			//a: 2^c * newMaxValue / originalMaxValue rounded to nearest integer
+			double ia_exact = (double)Pow2(ic) * newMaxValue / originalMaxValue;
 
-			//b: 0 to 2^c - 1
-			//Any bigger and it will cause 0 not to correspond with 0.
-			uint minb = 0;
-			uint maxb = Pow2(ic) - 1;
+			ReadOnlySpan<uint> ia_values = ia_exact < 1 ? [(uint)double.Ceiling(ia_exact)] : [(uint)double.Floor(ia_exact), (uint)double.Ceiling(ia_exact)];
 
-			for (uint ia = mina; ia <= maxa; ia++)
+			foreach (uint ia in ia_values)
 			{
-				if (ConvertEstimate(originalMaxValue, ia, minb, ic) > newMaxValue || ConvertEstimate(originalMaxValue, ia, maxb, ic) < newMaxValue)
+				//b: 0 to 2^c - 1
+				//Any bigger and it will cause 0 not to correspond with 0.
+				uint minb;
+				uint maxb;
 				{
-					continue;
+					//We can restrict b further by ensuring that originalMaxValue maps to newMaxValue.
+					long minb_one = (long)(newMaxValue << ic) - (ia * originalMaxValue);
+					long maxb_one = minb_one + Pow2(ic) - 1;
+
+					minb = (uint)long.Max(0, minb_one);
+					maxb = (uint)long.Min(Pow2(ic) - 1, long.Max(0, maxb_one));
+					minb = uint.Min(minb, maxb);
 				}
 
-				for (uint ib = minb; ib <= maxb; ib++)
+				//Errors for b are nearly parabolic, so we try to find the minimum by ternary search.
+				//This is not guaranteed to find the absolute minimum since there's noise in the error, but it should get close enough.
+				uint current_b_low = minb;
+				uint current_b_high = maxb;
+				while (current_b_high - current_b_low > 3)
 				{
-					if (ConvertEstimate(originalMaxValue, ia, ib, ic) == newMaxValue)
+					uint range = current_b_high - current_b_low;
+					uint b1 = current_b_low + range / 3;
+					uint b2 = current_b_high - range / 3;
+					double error1 = CalculateMeanSquaredError(ia, b1, ic, originalMaxValue, newMaxValue, out _);
+					double error2 = CalculateMeanSquaredError(ia, b2, ic, originalMaxValue, newMaxValue, out _);
+					if (error1 < error2)
 					{
-						float error = 0;
-						for (uint x = 1; x < originalMaxValue; x++)
-						{
-							uint y = ConvertEstimate(x, ia, ib, ic);
-							float yExact = (float)x * newMaxValue / originalMaxValue;
-							float diff = yExact - y;
-							error += diff * diff;
-						}
-						if (error < bestError)
-						{
-							a = ia;
-							b = ib;
-							c = ic;
-							if (error == 0)//Huge performance savings for when newBitCount / originalBitCount has no remainder.
-							{
-								return;
-							}
-							bestError = error;
-						}
+						current_b_high = b2;
+					}
+					else
+					{
+						current_b_low = b1;
+					}
+				}
+
+				for (uint ib = current_b_low; ib <= current_b_high; ib++)
+				{
+					double error = CalculateMeanSquaredError(ia, ib, ic, originalMaxValue, newMaxValue, out bool anyIncorrect);
+					if (error < bestError)
+					{
+						bestError = error;
+						a = ia;
+						b = ib;
+						c = ic;
+						Console.WriteLine($"New best: a={a}, b={b}, c={c}, MSE={bestError}");
+					}
+					if (!anyIncorrect)
+					{
+						//Perfect match
+						return true;
 					}
 				}
 			}
 		}
+
+		return false;
+	}
+
+	private static double CalculateMeanSquaredError(uint a, uint b, int c, uint originalMaxValue, uint newMaxValue, out bool anyIncorrect)
+	{
+		double meanSquaredError = 0;
+		anyIncorrect = false;
+		for (uint x = 0; x <= originalMaxValue; x++)
+		{
+			uint y = ConvertEstimate(x, a, b, c);
+			double yExact = (double)x * newMaxValue / originalMaxValue;
+
+			double diff = yExact - y;
+			meanSquaredError = meanSquaredError * x / (x + 1) + (diff * diff) / (x + 1);
+
+			uint yExactInt = (uint)double.Round(yExact, MidpointRounding.AwayFromZero);
+			anyIncorrect |= (y != yExactInt);
+		}
+		return meanSquaredError;
 	}
 
 	[MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]

TextureDecoder.sln

@@ -1,97 +0,0 @@
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-MinimumVisualStudioVersion = 10.0.40219.1
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-	ProjectSection(SolutionItems) = preProject
-		.editorconfig = .editorconfig
-		.gitignore = .gitignore
-		Directory.Build.props = Directory.Build.props
-		LICENSE = LICENSE
-		README.md = README.md
-	EndProjectSection
-EndProject
-Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Workflows", "Workflows", "{226FED9B-5CD8-4FD0-8E77-660F542D7508}"
-	ProjectSection(SolutionItems) = preProject
-		.github\workflows\build.yml = .github\workflows\build.yml
-	EndProjectSection
-EndProject
-Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Licenses", "Licenses", "{0BFF6817-43C8-43EE-8EE8-1A03B7ECEA1A}"
-	ProjectSection(SolutionItems) = preProject
-		Licenses\bcdec.md = Licenses\bcdec.md
-		Licenses\uTinyRipper.md = Licenses\uTinyRipper.md
-	EndProjectSection
-EndProject
-Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "AssetRipper.TextureDecoder.Tests", "AssetRipper.TextureDecoder.Tests\AssetRipper.TextureDecoder.Tests.csproj", "{30E8E8F4-2CE4-4435-A49F-C5AF91D58FFE}"
-EndProject
-Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "AssetRipper.TextureDecoder", "AssetRipper.TextureDecoder\AssetRipper.TextureDecoder.csproj", "{E5A6E093-436C-4455-A597-3E357D99C4D9}"
-EndProject
-Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "AssetRipper.TextureDecoder.TestGenerator", "AssetRipper.TextureDecoder.TestGenerator\AssetRipper.TextureDecoder.TestGenerator.csproj", "{0074908C-35A8-4C71-8F74-A83A4095ACEA}"
-EndProject
-Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "AssetRipper.TextureDecoder.ConsoleApp", "AssetRipper.TextureDecoder.ConsoleApp\AssetRipper.TextureDecoder.ConsoleApp.csproj", "{FFC8EEF8-8BF1-4B65-ADDA-A949EDDF4CB4}"
-EndProject
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-EndProject
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-EndProject
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-EndProject
-Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "AssetRipper.TextureDecoder.SourceGeneration.Common", "AssetRipper.TextureDecoder.SourceGeneration.Common\AssetRipper.TextureDecoder.SourceGeneration.Common.csproj", "{336CF443-373C-41B3-8E7C-881672E9875E}"
-EndProject
-Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "AssetRipper.TextureDecoder.Paths", "AssetRipper.TextureDecoder.Paths\AssetRipper.TextureDecoder.Paths.csproj", "{48731523-A672-4D39-A49E-2C4C253B4491}"
-EndProject
-Global
-	GlobalSection(SolutionConfigurationPlatforms) = preSolution
-		Debug|Any CPU = Debug|Any CPU
-		Release|Any CPU = Release|Any CPU
-	EndGlobalSection
-	GlobalSection(ProjectConfigurationPlatforms) = postSolution
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