public byte[] LoadImage(string imagePath, Arranger arranger, ColorMatchStrategy matchStrategy)
{
using var inputImage = SixLabors.ImageSharp.Image.Load <Rgba32>(imagePath);
var width = inputImage.Width;
var height = inputImage.Height;
var outputImage = new byte[width * height];
int destidx = 0;
for (int y = 0; y < height; y++)
{
var span = inputImage.GetPixelRowSpan(y);
for (int x = 0; x < width; x++, destidx++)
{
if (arranger.GetElementAtPixel(x, y) is ArrangerElement el)
{
var pal = el.Palette;
var color = new ColorRgba32(span[x].PackedValue);
var palIndex = pal.GetIndexByNativeColor(color, matchStrategy);
outputImage[destidx] = palIndex;
}
}
}
return(outputImage);
}
/// <summary>
/// Fills the surrounding, contiguous color area with a new color
/// </summary>
/// <param name="x">x-coordinate to start at in pixel coordinates</param>
/// <param name="y">y-coordinate to start at in pixel coordinates</param>
/// <param name="fillIndex">Palette index to fill with</param>
/// <returns>True if any pixels were modified</returns>
public static bool FloodFill(this DirectImage image, int x, int y, ColorRgba32 fillColor)
{
bool isModified = false;
var replaceColor = image.GetPixel(x, y);
if (fillColor.Color == replaceColor.Color)
{
return(false);
}
var openNodes = new Stack <(int x, int y)>();
openNodes.Push((x, y));
while (openNodes.Count > 0)
{
var nodePosition = openNodes.Pop();
if (nodePosition.x >= 0 && nodePosition.x < image.Width && nodePosition.y >= 0 && nodePosition.y < image.Height)
{
var nodeColor = image.GetPixel(nodePosition.x, nodePosition.y);
if (nodeColor.Color == replaceColor.Color)
{
isModified = true;
image.SetPixel(nodePosition.x, nodePosition.y, fillColor);
openNodes.Push((nodePosition.x - 1, nodePosition.y));
openNodes.Push((nodePosition.x + 1, nodePosition.y));
openNodes.Push((nodePosition.x, nodePosition.y - 1));
openNodes.Push((nodePosition.x, nodePosition.y + 1));
}
}
}
return(isModified);
}
public ColorBgr6 ToForeignColor(ColorRgba32 nc)
{
byte r = (byte)(nc.r / 85);
byte b = (byte)(nc.b / 85);
byte g = (byte)(nc.g / 85);
return(new ColorBgr6(r, g, b));
}
public ColorBgr15 ToForeignColor(ColorRgba32 nc)
{
byte r = (byte)(nc.r >> 3);
byte g = (byte)(nc.g >> 3);
byte b = (byte)(nc.b >> 3);
return(new ColorBgr15(r, g, b));
}
public ColorNes ToForeignColor(ColorRgba32 nc)
{
if (_nesPalette.TryGetIndexByNativeColor(nc, ColorMatchStrategy.Nearest, out var index))
{
return((ColorNes)_nesPalette.GetForeignColor(index));
}
throw new ArgumentException($"{nameof(ToForeignColor)} parameter (R: {nc.R}, G: {nc.G}, B: {nc.B}, A: {nc.A}) could not be matched in palette '{_nesPalette.Name}'");
}
public ColorBgr9 ToForeignColor(ColorRgba32 nc)
{
byte r = (byte)MathF.Round(nc.r / (255f / 7f));
byte g = (byte)MathF.Round(nc.g / (255f / 7f));
byte b = (byte)MathF.Round(nc.b / (255f / 7f));
return(new ColorBgr9(r, g, b));
}
public ColorAbgr16 ToForeignColor(ColorRgba32 nc)
{
byte r = (byte)(nc.r >> 3);
byte g = (byte)(nc.g >> 3);
byte b = (byte)(nc.b >> 3);
byte a = (byte)(nc.a <= AlphaSemiTransparent ? 0 : 1);
return(new ColorAbgr16(r, g, b, a));
}
public N64Rgba32Codec()
{
Width = DefaultWidth;
Height = DefaultHeight;
_foreignBuffer = new byte[(StorageSize + 7) / 8];
_nativeBuffer = new ColorRgba32[Height, Width];
_bitReader = BitStream.OpenRead(_foreignBuffer, StorageSize);
}
public Rgb24TiledCodec(int width, int height)
{
Width = width;
Height = height;
_foreignBuffer = new byte[(StorageSize + 7) / 8];
_nativeBuffer = new ColorRgba32[Height, Width];
_bitReader = BitStream.OpenRead(_foreignBuffer, StorageSize);
}
/// <summary>
/// Tries to set a pixel's palette index at the specified pixel coordinate
/// </summary>
/// <param name="x">x-coordinate in pixel coordinates</param>
/// <param name="y">y-coordinate in pixel coordinates</param>
/// <param name="color">Palette index of color</param>
/// <returns>True if set, false if not set</returns>
public static MagitekResult TrySetPixel(this IndexedImage image, int x, int y, ColorRgba32 color)
{
var result = image.CanSetPixel(x, y, color);
if (result.Value is MagitekResult.Success)
{
image.SetPixel(x, y, color);
}
return(result);
}
/// <summary>
/// Sets a pixel's palette index at the specified pixel coordinate
/// </summary>
/// <param name="x">x-coordinate in pixel coordinates</param>
/// <param name="y">y-coordinate in pixel coordinates</param>
/// <param name="color">Palette index of color</param>
public static void SetPixel(this IndexedImage image, int x, int y, ColorRgba32 color)
{
var el = image.Arranger.GetElementAtPixel(x + image.Left, y + image.Top);
if (el?.Palette is Palette pal)
{
var index = pal.GetIndexByNativeColor(color, ColorMatchStrategy.Exact);
image.Image[x + image.Width * y] = index;
}
else
{
throw new InvalidOperationException($"{nameof(SetPixel)} cannot set pixel at ({x}, {y}) because there is no associated palette");
}
}
public void ToNative_AsExpected(IColor32 fc, ColorRgba32 expected)
{
var colorFactory = new ColorFactory();
var actual = colorFactory.ToNative(fc);
Assert.Multiple(() =>
{
Assert.AreEqual(expected.Color, actual.Color, ".Color components not equal");
Assert.AreEqual(expected.R, actual.R, "Red components not equal");
Assert.AreEqual(expected.G, actual.G, "Green components not equal");
Assert.AreEqual(expected.B, actual.B, "Blue components not equal");
Assert.AreEqual(expected.A, actual.A, "Alpha components not equal");
});
}
public static void WritePAA(BinaryWriterEx writer, ColorRgba32[,] image, PAAType type = PAAType.UNDEFINED, PAAFlags flags = PAAFlags.InterpolatedAlpha)
{
var max = new ColorRgba32(0, 0, 0, 0);
ulong sumR = 0;
ulong sumG = 0;
ulong sumB = 0;
ulong sumA = 0;
byte minA = 255;
ulong totalPixels = 0;
for (int y = 0; y < image.GetLength(0); ++y)
{
for (int x = 0; x < image.GetLength(1); ++x)
{
var color = image[y, x];
max.r = Math.Max(color.r, max.r);
max.g = Math.Max(color.g, max.g);
max.b = Math.Max(color.b, max.b);
max.a = Math.Max(color.a, max.a);
minA = Math.Min(color.a, minA);
if (color.a > 128)
{
sumR += color.r;
sumG += color.g;
sumB += color.b;
sumA += color.a;
totalPixels++;
}
}
}
var avg = new ColorRgba32((byte)(sumR / totalPixels), (byte)(sumG / totalPixels), (byte)(sumB / totalPixels), (byte)(sumA / totalPixels));
if (type == PAAType.UNDEFINED)
{
if (minA == 255)
{
type = PAAType.DXT1;
}
else
{
type = PAAType.DXT5;
}
}
WritePAA(writer, new ReadOnlyMemory2D <ColorRgba32>(image), max, avg, type, flags);
}
public void ToForeignColor_Converts_Correctly(ColorRgba32 nc, ColorBgr15 expected, ColorModel colorModel)
{
var colorFactory = new ColorFactory();
var actual = colorFactory.ToForeign(nc, colorModel);
if (actual is IColor32 actual32)
{
Assert.Multiple(() =>
{
Assert.AreEqual(expected.Color, actual.Color, ".Color components not equal");
Assert.AreEqual(expected.R, actual32.R, "Red components not equal");
Assert.AreEqual(expected.G, actual32.G, "Green components not equal");
Assert.AreEqual(expected.B, actual32.B, "Blue components not equal");
Assert.AreEqual(expected.A, actual32.A, "Alpha components not equal");
});
}
}
private static void Convert(string source, string target)
{
Console.WriteLine($"{source} -> {target}");
using (var paaStream = File.OpenRead(source))
{
using (var img = Image.Load <Rgba32>(source))
{
var targetPixels = new ColorRgba32[img.Height, img.Width];
for (int y = 0; y < img.Height; ++y)
{
for (int x = 0; x < img.Width; ++x)
{
var srcPixel = img[x, y];
targetPixels[y, x] = new ColorRgba32(srcPixel.R, srcPixel.G, srcPixel.B, srcPixel.A);
}
}
PaaEncoder.WritePAA(target, targetPixels);
}
}
}
/// <summary>
/// Determines if a color can be set to an existing pixel's palette index at the specified pixel coordinate
/// </summary>
/// <param name="x">x-coordinate in pixel coordinates</param>
/// <param name="y">y-coordinate in pixel coordinates</param>
/// <param name="color">Palette index of color</param>
public static MagitekResult CanSetPixel(this IndexedImage image, int x, int y, ColorRgba32 color)
{
if (x >= image.Width || y >= image.Height || x < 0 || y < 0)
{
return(new MagitekResult.Failed($"Cannot set pixel at ({x}, {y}) because because it is outside of the Arranger"));
}
var el = image.Arranger.GetElementAtPixel(x + image.Left, y + image.Top);
if (el is ArrangerElement element)
{
if (!(element.Codec is IIndexedCodec))
{
return(new MagitekResult.Failed($"Cannot set pixel at ({x}, {y}) because the element's codec is not an indexed color type"));
}
var pal = element.Palette;
if (pal is null)
{
return(new MagitekResult.Failed($"Cannot set pixel at ({x}, {y}) because arranger '{image.Arranger.Name}' has no palette specified for the element"));
}
if (!pal.ContainsNativeColor(color))
{
return(new MagitekResult.Failed($"Cannot set pixel at ({x}, {y}) because the palette '{pal.Name}' does not contain the native color ({color.R}, {color.G}, {color.B}, {color.A})"));
}
var index = pal.GetIndexByNativeColor(color, ColorMatchStrategy.Exact);
if (index >= (1 << element.Codec.ColorDepth))
{
return(new MagitekResult.Failed($"Cannot set pixel at ({x}, {y}) because the color is contained at an index outside of the codec's range"));
}
return(MagitekResult.SuccessResult);
}
else
{
return(new MagitekResult.Failed($"Cannot set pixel at ({x}, {y}) because the element is undefined"));
}
}
public MagitekResult TryLoadImage(string imagePath, Arranger arranger, ColorMatchStrategy matchStrategy, out byte[] image)
{
using var inputImage = SixLabors.ImageSharp.Image.Load <Rgba32>(imagePath);
var width = inputImage.Width;
var height = inputImage.Height;
if (width != arranger.ArrangerPixelSize.Width || height != arranger.ArrangerPixelSize.Height)
{
image = default;
return(new MagitekResult.Failed($"Arranger dimensions ({arranger.ArrangerPixelSize.Width}, {arranger.ArrangerPixelSize.Height})" +
$" do not match image dimensions ({width}, {height})"));
}
image = new byte[width * height];
int destidx = 0;
for (int y = 0; y < height; y++)
{
var span = inputImage.GetPixelRowSpan(y);
for (int x = 0; x < width; x++, destidx++)
{
if (arranger.GetElementAtPixel(x, y) is ArrangerElement el)
{
var pal = el.Palette;
var color = new ColorRgba32(span[x].PackedValue);
if (pal.TryGetIndexByNativeColor(color, matchStrategy, out var palIndex))
{
image[destidx] = palIndex;
}
else
{
return(new MagitekResult.Failed($"Could not match image color (R: {color.R}, G: {color.G}, B: {color.B}, A: {color.A}) within palette '{pal.Name}'"));
}
}
}
}
return(MagitekResult.SuccessResult);
}
public ColorRgba32[] LoadImage(string imagePath)
{
using var inputImage = SixLabors.ImageSharp.Image.Load <Rgba32>(imagePath);
var width = inputImage.Width;
var height = inputImage.Height;
var outputImage = new ColorRgba32[width * height];
int destidx = 0;
for (int y = 0; y < height; y++)
{
var span = inputImage.GetPixelRowSpan(y);
for (int x = 0; x < width; x++)
{
var color = new ColorRgba32(span[x].PackedValue);
outputImage[destidx] = color;
destidx++;
}
}
return(outputImage);
}
protected override void OnSave(Document input, Stream output, SaveConfigToken token, Surface scratchSurface, ProgressEventHandler callback)
{
input.Flatten(scratchSurface);
var pixels = new ColorRgba32[scratchSurface.Width, scratchSurface.Height];
unsafe
{
for (int y = 0; y < scratchSurface.Height; ++y)
{
var src = scratchSurface.GetRowPointer(y);
for (int x = 0; x < scratchSurface.Width; ++x)
{
pixels[y, x] = new ColorRgba32((*src).R, (*src).G, (*src).B, (*src).A);
src++;
}
}
}
using (var writer = new BinaryWriterEx(output, true))
{
PaaEncoder.WritePAA(writer, pixels);
}
}
public ProjectNativeColorSource(ColorRgba32 value)
{
Value = value;
}
public static Bc7Block EncodeBlock(RawBlock4X4Rgba32 block, int startingVariation)
{
var type = Bc7BlockType.Type5;
Span <Bc7Block> outputs = stackalloc Bc7Block[4];
for (int rotation = 0; rotation < 4; rotation++)
{
var rotatedBlock = Bc7EncodingHelpers.RotateBlockColors(block, rotation);
Bc7Block output = new Bc7Block();
Bc7EncodingHelpers.GetInitialUnscaledEndpoints(rotatedBlock, out var ep0, out var ep1);
ColorRgba32 scaledEp0 =
Bc7EncodingHelpers.ScaleDownEndpoint(ep0, type, false, out byte _);
ColorRgba32 scaledEp1 =
Bc7EncodingHelpers.ScaleDownEndpoint(ep1, type, false, out byte _);
byte pBit = 0; //fake pBit
Bc7EncodingHelpers.OptimizeSubsetEndpointsWithPBit(type, rotatedBlock, ref scaledEp0,
ref scaledEp1, ref pBit, ref pBit, startingVariation, partitionTable, subset, false, true);
ep0 = Bc7EncodingHelpers.ExpandEndpoint(type, scaledEp0, 0);
ep1 = Bc7EncodingHelpers.ExpandEndpoint(type, scaledEp1, 0);
byte[] colorIndices = new byte[16];
byte[] alphaIndices = new byte[16];
Bc7EncodingHelpers.FillAlphaColorIndices(type, rotatedBlock,
ep0,
ep1,
colorIndices, alphaIndices);
bool needsRedo = false;
if ((colorIndices[0] & 0b10) > 0) //If anchor index most significant bit is 1, switch endpoints
{
var c = scaledEp0;
var alpha0 = scaledEp0.a;
var alpha1 = scaledEp1.a;
scaledEp0 = scaledEp1;
scaledEp1 = c;
scaledEp0.a = alpha0;
scaledEp1.a = alpha1;
needsRedo = true;
}
if ((alphaIndices[0] & 0b10) > 0) //If anchor index most significant bit is 1, switch endpoints
{
var a = scaledEp0.a;
scaledEp0.a = scaledEp1.a;
scaledEp1.a = a;
needsRedo = true;
}
if (needsRedo)
{
//redo indices
ep0 = Bc7EncodingHelpers.ExpandEndpoint(type, scaledEp0, 0);
ep1 = Bc7EncodingHelpers.ExpandEndpoint(type, scaledEp1, 0);
Bc7EncodingHelpers.FillAlphaColorIndices(type, rotatedBlock,
ep0,
ep1,
colorIndices, alphaIndices);
}
output.PackType5(rotation, new[] {
new byte[] { scaledEp0.r, scaledEp0.g, scaledEp0.b },
new byte[] { scaledEp1.r, scaledEp1.g, scaledEp1.b },
},
new[] { scaledEp0.a, scaledEp1.a },
colorIndices, alphaIndices);
outputs[rotation] = output;
}
int bestIndex = 0;
float bestError = 0;
bool first = true;
// Find best out of generated blocks
for (int i = 0; i < outputs.Length; i++)
{
var decoded = outputs[i].Decode();
float error = block.CalculateYCbCrAlphaError(decoded);
if (error < bestError || first)
{
first = false;
bestError = error;
bestIndex = i;
}
}
return(outputs[bestIndex]);
}
public static Bc7Block EncodeBlock(RawBlock4X4Rgba32 block, int startingVariation, int bestPartition)
{
Bc7Block output = new Bc7Block();
const Bc7BlockType type = Bc7BlockType.Type2;
ColorRgba32[] endpoints = new ColorRgba32[6];
ReadOnlySpan <int> partitionTable = Bc7Block.Subsets3PartitionTable[bestPartition];
byte[] indices = new byte[16];
int[] anchorIndices = new int[] {
0,
Bc7Block.Subsets3AnchorIndices2[bestPartition],
Bc7Block.Subsets3AnchorIndices3[bestPartition]
};
for (int subset = 0; subset < 3; subset++)
{
Bc7EncodingHelpers.GetInitialUnscaledEndpointsForSubset(block, out var ep0, out var ep1,
partitionTable, subset);
ColorRgba32 scaledEp0 =
Bc7EncodingHelpers.ScaleDownEndpoint(ep0, type, true, out byte _);
ColorRgba32 scaledEp1 =
Bc7EncodingHelpers.ScaleDownEndpoint(ep1, type, true, out byte _);
byte pBit = 0;
Bc7EncodingHelpers.OptimizeSubsetEndpointsWithPBit(type, block, ref scaledEp0,
ref scaledEp1, ref pBit, ref pBit, startingVariation, partitionTable, subset, false, false);
ep0 = Bc7EncodingHelpers.ExpandEndpoint(type, scaledEp0, 0);
ep1 = Bc7EncodingHelpers.ExpandEndpoint(type, scaledEp1, 0);
Bc7EncodingHelpers.FillSubsetIndices(type, block,
ep0,
ep1,
partitionTable, subset, indices);
if ((indices[anchorIndices[subset]] & 0b10) > 0) //If anchor index most significant bit is 1, switch endpoints
{
var c = scaledEp0;
scaledEp0 = scaledEp1;
scaledEp1 = c;
//redo indices
ep0 = Bc7EncodingHelpers.ExpandEndpoint(type, scaledEp0, 0);
ep1 = Bc7EncodingHelpers.ExpandEndpoint(type, scaledEp1, 0);
Bc7EncodingHelpers.FillSubsetIndices(type, block,
ep0,
ep1,
partitionTable, subset, indices);
}
endpoints[subset * 2] = scaledEp0;
endpoints[subset * 2 + 1] = scaledEp1;
}
output.PackType2(bestPartition, new[] {
new byte[] { endpoints[0].r, endpoints[0].g, endpoints[0].b },
new byte[] { endpoints[1].r, endpoints[1].g, endpoints[1].b },
new byte[] { endpoints[2].r, endpoints[2].g, endpoints[2].b },
new byte[] { endpoints[3].r, endpoints[3].g, endpoints[3].b },
new byte[] { endpoints[4].r, endpoints[4].g, endpoints[4].b },
new byte[] { endpoints[5].r, endpoints[5].g, endpoints[5].b }
},
indices);
return(output);
}
public static void WritePAA(BinaryWriterEx writer, ReadOnlyMemory2D <ColorRgba32> image, ColorRgba32 max, ColorRgba32 avg, PAAType type = PAAType.DXT5, PAAFlags flags = PAAFlags.InterpolatedAlpha)
{
if (type != PAAType.DXT5 && type != PAAType.DXT1)
{
throw new NotSupportedException();
}
var enc = new BCnEncoder.Encoder.BcEncoder(type == PAAType.DXT5 ? CompressionFormat.Bc3 : CompressionFormat.Bc1);
var mipmaps = new List <MipmapEncoder>();
var width = image.Width;
var height = image.Width;
var offset = type == PAAType.DXT5 ? 128 : 112;
foreach (var mipmap in enc.EncodeToRawBytes(image))
{
if (width > 2 || height > 2)
{
var menc = new MipmapEncoder(mipmap, width, height, offset);
offset += menc.MipmapEntrySize;
mipmaps.Add(menc);
width = width / 2;
height = height / 2;
}
}
writer.Write(type == PAAType.DXT5 ? (ushort)0xff05 : (ushort)0xff01);
writer.WriteAscii("GGATCGVA", 8);
writer.Write((uint)4);
writer.Write(avg.r);
writer.Write(avg.g);
writer.Write(avg.b);
writer.Write(avg.a);
writer.WriteAscii("GGATCXAM", 8);
writer.Write((uint)4);
writer.Write(max.r);
writer.Write(max.g);
writer.Write(max.b);
writer.Write(max.a);
if (type == PAAType.DXT5)
{
writer.WriteAscii("GGATGALF", 8);
writer.Write((uint)4);
writer.Write((uint)flags);
}
writer.WriteAscii("GGATSFFO", 8);
writer.Write(16 * 4);
for (int i = 0; i < 16; ++i)
{
if (i < mipmaps.Count)
{
writer.Write((uint)mipmaps[i].Offset);
}
else
{
writer.Write((uint)0);
}
}
writer.Write((ushort)0x0000);
int index = 0;
foreach (var mipmap in mipmaps)
{
if (writer.Position != mipmap.Offset)
{
throw new Exception($"Wrong offset @{mipmap.Width} : {writer.Position} != { mipmap.Offset}");
}
writer.Write(mipmap.WidthEncoded);
writer.Write(mipmap.Height);
writer.WriteUInt24((uint)mipmap.PaaData.Length);
writer.Write(mipmap.PaaData);
index++;
width = width / 2;
height = height / 2;
}
writer.Write((uint)0x0000);
writer.Write((ushort)0x0000);
}
public static Bc7Block EncodeBlock(RawBlock4X4Rgba32 block, int startingVariation)
{
bool hasAlpha = block.HasTransparentPixels();
Bc7Block output = new Bc7Block();
Bc7EncodingHelpers.GetInitialUnscaledEndpoints(block, out var ep0, out var ep1);
ColorRgba32 scaledEp0 =
Bc7EncodingHelpers.ScaleDownEndpoint(ep0, Bc7BlockType.Type6, false, out byte pBit0);
ColorRgba32 scaledEp1 =
Bc7EncodingHelpers.ScaleDownEndpoint(ep1, Bc7BlockType.Type6, false, out byte pBit1);
ReadOnlySpan<int> partitionTable = new int[] { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
const int subset = 0;
//Force 255 alpha if fully opaque
if (!hasAlpha)
{
pBit0 = 1;
pBit1 = 1;
}
Bc7EncodingHelpers.OptimizeSubsetEndpointsWithPBit(Bc7BlockType.Type6, block, ref scaledEp0,
ref scaledEp1, ref pBit0, ref pBit1, startingVariation, partitionTable, subset, hasAlpha, hasAlpha);
ep0 = Bc7EncodingHelpers.ExpandEndpoint(Bc7BlockType.Type6, scaledEp0, pBit0);
ep1 = Bc7EncodingHelpers.ExpandEndpoint(Bc7BlockType.Type6, scaledEp1, pBit1);
byte[] indices = new byte[16];
Bc7EncodingHelpers.FillSubsetIndices(Bc7BlockType.Type6, block,
ep0,
ep1,
partitionTable, subset, indices);
if ((indices[0] & 0b1000) > 0) //If anchor index most significant bit is 1, switch endpoints
{
var c = scaledEp0;
var p = pBit0;
scaledEp0 = scaledEp1;
pBit0 = pBit1;
scaledEp1 = c;
pBit1 = p;
//redo indices
ep0 = Bc7EncodingHelpers.ExpandEndpoint(Bc7BlockType.Type6, scaledEp0, pBit0);
ep1 = Bc7EncodingHelpers.ExpandEndpoint(Bc7BlockType.Type6, scaledEp1, pBit1);
Bc7EncodingHelpers.FillSubsetIndices(Bc7BlockType.Type6, block,
ep0,
ep1,
partitionTable, subset, indices);
}
output.PackType6(new[]{
new byte[]{scaledEp0.r, scaledEp0.g, scaledEp0.b, scaledEp0.a},
new byte[]{scaledEp1.r, scaledEp1.g, scaledEp1.b, scaledEp1.a},
},
new[] { pBit0, pBit1 },
indices);
return output;
}