public void Create(long Key, byte[] Data, GalImage Image)
{
int Handle = GL.GenTexture();
GL.BindTexture(TextureTarget.Texture2D, Handle);
const int Level = 0; //TODO: Support mipmap textures.
const int Border = 0;
TextureCache.AddOrUpdate(Key, new ImageHandler(Handle, Image), (uint)Data.Length);
if (ImageUtils.IsCompressed(Image.Format) && !IsAstc(Image.Format))
{
InternalFormat InternalFmt = OGLEnumConverter.GetCompressedImageFormat(Image.Format);
GL.CompressedTexImage2D(
TextureTarget.Texture2D,
Level,
InternalFmt,
Image.Width,
Image.Height,
Border,
Data.Length,
Data);
}
else
{
//TODO: Use KHR_texture_compression_astc_hdr when available
if (IsAstc(Image.Format))
{
int TextureBlockWidth = ImageUtils.GetBlockWidth(Image.Format);
int TextureBlockHeight = ImageUtils.GetBlockHeight(Image.Format);
Data = ASTCDecoder.DecodeToRGBA8888(
Data,
TextureBlockWidth,
TextureBlockHeight, 1,
Image.Width,
Image.Height, 1);
Image.Format = GalImageFormat.RGBA8 | (Image.Format & GalImageFormat.TypeMask);
}
(PixelInternalFormat InternalFmt,
PixelFormat Format,
PixelType Type) = OGLEnumConverter.GetImageFormat(Image.Format);
GL.TexImage2D(
TextureTarget.Texture2D,
Level,
InternalFmt,
Image.Width,
Image.Height,
Border,
Format,
Type,
Data);
}
}
/// <summary>
/// Decodes a byte array of image data given the source image in bytes, width, height, and DXGI format.
/// </summary>
/// <param name="byte[]">The byte array of the image</param>
/// <param name="Width">The width of the image in pixels.</param>
/// <param name="Height">The height of the image in pixels.</param>
/// <param name=" DDS.DXGI_FORMAT">The image format.</param>
/// <returns>Returns a byte array of decoded data. </returns>
public static byte[] DecodeBlock(byte[] data, uint Width, uint Height, TEX_FORMAT Format, PlatformSwizzle PlatformSwizzle = PlatformSwizzle.None)
{
if (data == null)
{
throw new Exception($"Data is null!");
}
if (Format <= 0)
{
throw new Exception($"Invalid Format!");
}
if (data.Length <= 0)
{
throw new Exception($"Data is empty!");
}
if (Width <= 0)
{
throw new Exception($"Invalid width size {Width}!");
}
if (Height <= 0)
{
throw new Exception($"Invalid height size {Height}!");
}
if (PlatformSwizzle == PlatformSwizzle.Platform_3DS && !IsCompressed(Format))
{
return(CTR_3DS.DecodeBlock(data, (int)Width, (int)Height, Format));
}
if (Format == TEX_FORMAT.R32G8X24_FLOAT)
{
return(ConvertBgraToRgba(DDSCompressor.DecodePixelBlock(data, (int)Width, (int)Height, DDS.DXGI_FORMAT.DXGI_FORMAT_R32G8X24_TYPELESS)));
}
if (Format == TEX_FORMAT.BC5_SNORM)
{
return(ConvertBgraToRgba(DDSCompressor.DecompressBC5(data, (int)Width, (int)Height, true, true)));
}
if (IsCompressed(Format))
{
return(ConvertBgraToRgba(DDSCompressor.DecompressBlock(data, (int)Width, (int)Height, (DDS.DXGI_FORMAT)Format)));
}
else
{
//If blue channel becomes first, do not swap them!
// if (Format.ToString().StartsWith("B") || Format == TEX_FORMAT.B5G6R5_UNORM)
// return DDSCompressor.DecodePixelBlock(data, (int)Width, (int)Height, (DDS.DXGI_FORMAT)Format);
if (IsAtscFormat(Format))
{
return(ConvertBgraToRgba(ASTCDecoder.DecodeToRGBA8888(data, (int)GetBlockWidth(Format), (int)GetBlockHeight(Format), 1, (int)Width, (int)Height, 1)));
}
else
{
return(ConvertBgraToRgba(DDSCompressor.DecodePixelBlock(data, (int)Width, (int)Height, (DDS.DXGI_FORMAT)Format)));
}
}
}
public bool Decode(TexFormat format, byte[] input, int width, int height, out byte[] output)
{
output = null;
if (format.ToString().StartsWith("ASTC"))
{
var x = (int)TextureFormatHelper.GetBlockWidth(format);
var y = (int)TextureFormatHelper.GetBlockHeight(format);
var z = (int)TextureFormatHelper.GetBlockDepth(format);
output = ASTCDecoder.DecodeToRGBA8888(input, x, y, z, width, height, 1);
}
return(output != null);
}
private static GalTexture ConvertAstcTextureToRgba(GalTexture Texture)
{
int TextureBlockWidth = GetAstcBlockWidth(Texture.Format);
int TextureBlockHeight = GetAstcBlockHeight(Texture.Format);
Texture.Data = ASTCDecoder.DecodeToRGBA8888(
Texture.Data,
TextureBlockWidth,
TextureBlockHeight, 1,
Texture.Width,
Texture.Height, 1);
Texture.Format = GalTextureFormat.A8B8G8R8;
return(Texture);
}
public void Create(long Key, byte[] Data, GalTexture Texture)
{
int Handle = GL.GenTexture();
TextureCache.AddOrUpdate(Key, new TCE(Handle, Texture), (uint)Data.Length);
GL.BindTexture(TextureTarget.Texture2D, Handle);
const int Level = 0; //TODO: Support mipmap textures.
const int Border = 0;
if (IsCompressedTextureFormat(Texture.Format))
{
InternalFormat InternalFmt = OGLEnumConverter.GetCompressedTextureFormat(Texture.Format);
GL.CompressedTexImage2D(
TextureTarget.Texture2D,
Level,
InternalFmt,
Texture.Width,
Texture.Height,
Border,
Data.Length,
Data);
}
else
{
if (Texture.Format >= GalTextureFormat.Astc2D4x4)
{
int TextureBlockWidth = GetAstcBlockWidth(Texture.Format);
int TextureBlockHeight = GetAstcBlockHeight(Texture.Format);
Data = ASTCDecoder.DecodeToRGBA8888(
Data,
TextureBlockWidth,
TextureBlockHeight, 1,
Texture.Width,
Texture.Height, 1);
Texture.Format = GalTextureFormat.A8B8G8R8;
}
const PixelInternalFormat InternalFmt = PixelInternalFormat.Rgba;
(PixelFormat Format, PixelType Type) = OGLEnumConverter.GetTextureFormat(Texture.Format);
GL.TexImage2D(
TextureTarget.Texture2D,
Level,
InternalFmt,
Texture.Width,
Texture.Height,
Border,
Format,
Type,
Data);
}
int SwizzleR = (int)OGLEnumConverter.GetTextureSwizzle(Texture.XSource);
int SwizzleG = (int)OGLEnumConverter.GetTextureSwizzle(Texture.YSource);
int SwizzleB = (int)OGLEnumConverter.GetTextureSwizzle(Texture.ZSource);
int SwizzleA = (int)OGLEnumConverter.GetTextureSwizzle(Texture.WSource);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureSwizzleR, SwizzleR);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureSwizzleG, SwizzleG);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureSwizzleB, SwizzleB);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureSwizzleA, SwizzleA);
}
public static SKImage DecodeImage(byte[] sequence, int width, int height, int depth, EPixelFormat format)
{
byte[] data;
SKColorType colorType;
switch (format)
{
case EPixelFormat.PF_DXT5:
data = DXTDecoder.DecodeDXT5(sequence, width, height, depth);
colorType = SKColorType.Rgba8888;
break;
case EPixelFormat.PF_DXT1:
data = DXTDecoder.DecodeDXT1(sequence, width, height, depth);
colorType = SKColorType.Rgba8888;
break;
case EPixelFormat.PF_ASTC_8x8:
var x = (int)TextureFormatHelper.GetBlockWidth(format);
var y = (int)TextureFormatHelper.GetBlockHeight(format);
var z = (int)TextureFormatHelper.GetBlockDepth(format);
data = ASTCDecoder.DecodeToRGBA8888(sequence, x, y, z, width, height, 1);
colorType = SKColorType.Rgba8888;
break;
case EPixelFormat.PF_B8G8R8A8:
data = sequence;
colorType = SKColorType.Bgra8888;
break;
case EPixelFormat.PF_BC5:
data = BCDecoder.DecodeBC5(sequence, width, height);
colorType = SKColorType.Rgb888x;
break;
case EPixelFormat.PF_BC4:
data = BCDecoder.DecodeBC4(sequence, width, height);
colorType = SKColorType.Rgb888x;
break;
case EPixelFormat.PF_G8:
data = sequence;
colorType = SKColorType.Gray8;
break;
case EPixelFormat.PF_FloatRGBA:
data = sequence;
colorType = SKColorType.RgbaF16;
break;
case EPixelFormat.PF_BC7:
data = Detex.DecodeDetexLinear(sequence, width, height, isFloat: false,
inputFormat: DetexTextureFormat.DETEX_TEXTURE_FORMAT_BPTC,
outputPixelFormat: DetexPixelFormat.DETEX_PIXEL_FORMAT_RGBA8);
colorType = SKColorType.Rgb888x;
break;
case EPixelFormat.PF_BC6H:
data = Detex.DecodeDetexLinear(sequence, width, height, isFloat: true,
inputFormat: DetexTextureFormat.DETEX_TEXTURE_FORMAT_BPTC_FLOAT,
outputPixelFormat: DetexPixelFormat.DETEX_PIXEL_FORMAT_RGBX8); // Not sure whether that works, would actually be DETEX_PIXEL_FORMAT_FLOAT_RGBX32
data = Detex.DecodeBC6H(sequence, width, height);
colorType = SKColorType.Rgb888x;
break;
case EPixelFormat.PF_ETC1:
data = Detex.DecodeDetexLinear(sequence, width, height, isFloat: false,
inputFormat: DetexTextureFormat.DETEX_TEXTURE_FORMAT_ETC1,
outputPixelFormat: DetexPixelFormat.DETEX_PIXEL_FORMAT_RGBA8);
colorType = SKColorType.Rgba8888;
break;
case EPixelFormat.PF_ETC2_RGB:
data = Detex.DecodeDetexLinear(sequence, width, height, isFloat: false,
inputFormat: DetexTextureFormat.DETEX_TEXTURE_FORMAT_ETC2,
outputPixelFormat: DetexPixelFormat.DETEX_PIXEL_FORMAT_RGBA8);
colorType = SKColorType.Rgba8888;
break;
case EPixelFormat.PF_ETC2_RGBA:
data = Detex.DecodeDetexLinear(sequence, width, height, isFloat: false,
inputFormat: DetexTextureFormat.DETEX_TEXTURE_FORMAT_ETC2_EAC,
outputPixelFormat: DetexPixelFormat.DETEX_PIXEL_FORMAT_RGBA8);
colorType = SKColorType.Rgba8888;
break;
default:
throw new NotImplementedException($"Cannot decode {format} format");
}
using var bitmap = new SKBitmap(new SKImageInfo(width, height, colorType, SKAlphaType.Unpremul));
unsafe
{
fixed(byte *p = data)
{
bitmap.SetPixels(new IntPtr(p));
}
}
return(SKImage.FromBitmap(bitmap));
}
public static void DecodeTexture(FTexture2DMipMap mip, EPixelFormat format, bool isNormalMap, out byte[] data, out SKColorType colorType)
{
switch (format)
{
case EPixelFormat.PF_DXT1:
data = DXTDecoder.DXT1(mip.Data.Data, mip.SizeX, mip.SizeY, mip.SizeZ);
colorType = SKColorType.Rgba8888;
break;
case EPixelFormat.PF_DXT5:
data = DXTDecoder.DXT5(mip.Data.Data, mip.SizeX, mip.SizeY, mip.SizeZ);
colorType = SKColorType.Rgba8888;
break;
case EPixelFormat.PF_ASTC_4x4:
case EPixelFormat.PF_ASTC_6x6:
case EPixelFormat.PF_ASTC_8x8:
case EPixelFormat.PF_ASTC_10x10:
case EPixelFormat.PF_ASTC_12x12:
data = ASTCDecoder.RGBA8888(
mip.Data.Data,
FormatHelper.GetBlockWidth(format),
FormatHelper.GetBlockHeight(format),
FormatHelper.GetBlockDepth(format),
mip.SizeX, mip.SizeY, mip.SizeZ);
colorType = SKColorType.Rgba8888;
if (isNormalMap)
{
// UE4 drops blue channel for normal maps before encoding, restore it
unsafe
{
var offset = 0;
fixed(byte *d = data)
{
for (var i = 0; i < mip.SizeX * mip.SizeY; i++)
{
d[offset + 2] = BCDecoder.GetZNormal(d[offset], d[offset + 1]);
offset += 4;
}
}
}
}
break;
case EPixelFormat.PF_BC4:
data = BCDecoder.BC4(mip.Data.Data, mip.SizeX, mip.SizeY);
colorType = SKColorType.Rgb888x;
break;
case EPixelFormat.PF_BC5:
data = BCDecoder.BC5(mip.Data.Data, mip.SizeX, mip.SizeY);
colorType = SKColorType.Rgb888x;
break;
case EPixelFormat.PF_BC6H:
// BC6H doesn't work no matter the pixel format, the closest we can get is either
// Rgb565 DETEX_PIXEL_FORMAT_FLOAT_RGBX16 or Rgb565 DETEX_PIXEL_FORMAT_FLOAT_BGRX16
data = Detex.DecodeDetexLinear(mip.Data.Data, mip.SizeX, mip.SizeY, true,
DetexTextureFormat.DETEX_TEXTURE_FORMAT_BPTC_FLOAT,
DetexPixelFormat.DETEX_PIXEL_FORMAT_FLOAT_RGBX16);
colorType = SKColorType.Rgb565;
break;
case EPixelFormat.PF_BC7:
data = Detex.DecodeDetexLinear(mip.Data.Data, mip.SizeX, mip.SizeY, false,
DetexTextureFormat.DETEX_TEXTURE_FORMAT_BPTC,
DetexPixelFormat.DETEX_PIXEL_FORMAT_RGBA8);
colorType = SKColorType.Rgba8888;
break;
case EPixelFormat.PF_ETC1:
data = Detex.DecodeDetexLinear(mip.Data.Data, mip.SizeX, mip.SizeY, false,
DetexTextureFormat.DETEX_TEXTURE_FORMAT_ETC1,
DetexPixelFormat.DETEX_PIXEL_FORMAT_RGBA8);
colorType = SKColorType.Rgba8888;
break;
case EPixelFormat.PF_ETC2_RGB:
data = Detex.DecodeDetexLinear(mip.Data.Data, mip.SizeX, mip.SizeY, false,
DetexTextureFormat.DETEX_TEXTURE_FORMAT_ETC2,
DetexPixelFormat.DETEX_PIXEL_FORMAT_RGBA8);
colorType = SKColorType.Rgba8888;
break;
case EPixelFormat.PF_ETC2_RGBA:
data = Detex.DecodeDetexLinear(mip.Data.Data, mip.SizeX, mip.SizeY, false,
DetexTextureFormat.DETEX_TEXTURE_FORMAT_ETC2_EAC,
DetexPixelFormat.DETEX_PIXEL_FORMAT_RGBA8);
colorType = SKColorType.Rgba8888;
break;
case EPixelFormat.PF_R16F:
case EPixelFormat.PF_R16F_FILTER:
unsafe
{
fixed(byte *d = mip.Data.Data)
{
data = ConvertRawR16DataToRGB888X(mip.SizeX, mip.SizeY, d, mip.SizeX * 2); // 2 BPP
}
}
colorType = SKColorType.Rgb888x;
break;
case EPixelFormat.PF_B8G8R8A8:
data = mip.Data.Data;
colorType = SKColorType.Bgra8888;
break;
case EPixelFormat.PF_G8:
data = mip.Data.Data;
colorType = SKColorType.Gray8;
break;
case EPixelFormat.PF_FloatRGBA:
unsafe
{
fixed(byte *d = mip.Data.Data)
{
data = ConvertRawR16G16B16A16FDataToRGBA8888(mip.SizeX, mip.SizeY, d, mip.SizeX * 8, false); // 8 BPP
}
}
colorType = SKColorType.Rgba8888;
break;
default: throw new NotImplementedException($"Unknown pixel format: {format}");
}
}
/// <summary>
/// Decodes a byte array of image data given the source image in bytes, width, height, and DXGI format.
/// </summary>
/// <param name="byte[]">The byte array of the image</param>
/// <param name="Width">The width of the image in pixels.</param>
/// <param name="Height">The height of the image in pixels.</param>
/// <param name=" DDS.DXGI_FORMAT">The image format.</param>
/// <returns>Returns a byte array of decoded data. </returns>
public static byte[] DecodeBlock(byte[] data, uint Width, uint Height, TEX_FORMAT Format, byte[] paletteData, ImageParameters parameters, PALETTE_FORMAT PaletteFormat = PALETTE_FORMAT.None, PlatformSwizzle PlatformSwizzle = PlatformSwizzle.None)
{
if (data == null)
{
throw new Exception($"Data is null!");
}
if (Format <= 0)
{
throw new Exception($"Invalid Format!");
}
if (data.Length <= 0)
{
throw new Exception($"Data is empty!");
}
if (Width <= 0)
{
throw new Exception($"Invalid width size {Width}!");
}
if (Height <= 0)
{
throw new Exception($"Invalid height size {Height}!");
}
byte[] imageData = new byte[0];
bool DontSwapRG = false;
if (PlatformSwizzle == PlatformSwizzle.Platform_3DS)
{
imageData = CTR_3DS.DecodeBlock(data, (int)Width, (int)Height, Format);
DontSwapRG = true;
}
else if (PlatformSwizzle == PlatformSwizzle.Platform_Gamecube)
{
imageData = Decode_Gamecube.DecodeData(data, paletteData, Width, Height, Format, PaletteFormat);
}
else
{
if (Format == TEX_FORMAT.R32G8X24_FLOAT)
{
imageData = DDSCompressor.DecodePixelBlock(data, (int)Width, (int)Height, DDS.DXGI_FORMAT.DXGI_FORMAT_R32G8X24_TYPELESS);
}
if (Format == TEX_FORMAT.BC5_SNORM)
{
imageData = DDSCompressor.DecompressBC5(data, (int)Width, (int)Height, true, true);
}
if (Format == TEX_FORMAT.L8)
{
return(RGBAPixelDecoder.Decode(data, (int)Width, (int)Height, Format));
}
if (Format == TEX_FORMAT.LA8)
{
return(RGBAPixelDecoder.Decode(data, (int)Width, (int)Height, Format));
}
if (Format == TEX_FORMAT.R5G5B5A1_UNORM)
{
return(RGBAPixelDecoder.Decode(data, (int)Width, (int)Height, Format));
}
if (IsCompressed(Format))
{
imageData = DDSCompressor.DecompressBlock(data, (int)Width, (int)Height, (DDS.DXGI_FORMAT)Format);
}
else
{
if (IsAtscFormat(Format))
{
imageData = ASTCDecoder.DecodeToRGBA8888(data, (int)GetBlockWidth(Format), (int)GetBlockHeight(Format), 1, (int)Width, (int)Height, 1);
}
else
{
imageData = DDSCompressor.DecodePixelBlock(data, (int)Width, (int)Height, (DDS.DXGI_FORMAT)Format);
}
// imageData = RGBAPixelDecoder.Decode(data, (int)Width, (int)Height, Format);
}
}
if (parameters.DontSwapRG || DontSwapRG)
{
return(imageData);
}
else
{
return(ConvertBgraToRgba(imageData));
}
}
private static void DecodeTexture(FTexture2DMipMap mip, EPixelFormat format, out byte[] data, out SKColorType colorType)
{
switch (format)
{
case EPixelFormat.PF_DXT1:
data = DXTDecoder.DXT1(mip.Data.Data, mip.SizeX, mip.SizeY, mip.SizeZ);
colorType = SKColorType.Rgba8888;
break;
case EPixelFormat.PF_DXT5:
data = DXTDecoder.DXT5(mip.Data.Data, mip.SizeX, mip.SizeY, mip.SizeZ);
colorType = SKColorType.Rgba8888;
break;
case EPixelFormat.PF_ASTC_8x8:
data = ASTCDecoder.RGBA8888(
mip.Data.Data,
FormatHelper.GetBlockWidth(format),
FormatHelper.GetBlockHeight(format),
FormatHelper.GetBlockDepth(format),
mip.SizeX, mip.SizeY, mip.SizeZ);
colorType = SKColorType.Rgba8888;
break;
case EPixelFormat.PF_BC4:
data = BCDecoder.BC4(mip.Data.Data, mip.SizeX, mip.SizeY);
colorType = SKColorType.Rgb888x;
break;
case EPixelFormat.PF_BC5:
data = BCDecoder.BC5(mip.Data.Data, mip.SizeX, mip.SizeY);
colorType = SKColorType.Rgb888x;
break;
case EPixelFormat.PF_BC6H:
// BC6H doesn't work no matter the pixel format, the closest we can get is either
// Rgb565 DETEX_PIXEL_FORMAT_FLOAT_RGBX16 or Rgb565 DETEX_PIXEL_FORMAT_FLOAT_BGRX16
data = Detex.DecodeDetexLinear(mip.Data.Data, mip.SizeX, mip.SizeY, true,
inputFormat: DetexTextureFormat.DETEX_TEXTURE_FORMAT_BPTC_FLOAT,
outputPixelFormat: DetexPixelFormat.DETEX_PIXEL_FORMAT_FLOAT_RGBX16);
colorType = SKColorType.Rgb565;
break;
case EPixelFormat.PF_BC7:
data = Detex.DecodeDetexLinear(mip.Data.Data, mip.SizeX, mip.SizeY, false,
inputFormat: DetexTextureFormat.DETEX_TEXTURE_FORMAT_BPTC,
outputPixelFormat: DetexPixelFormat.DETEX_PIXEL_FORMAT_RGBA8);
colorType = SKColorType.Rgb888x;
break;
case EPixelFormat.PF_ETC1:
data = Detex.DecodeDetexLinear(mip.Data.Data, mip.SizeX, mip.SizeY, false,
inputFormat: DetexTextureFormat.DETEX_TEXTURE_FORMAT_ETC1,
outputPixelFormat: DetexPixelFormat.DETEX_PIXEL_FORMAT_RGBA8);
colorType = SKColorType.Rgba8888;
break;
case EPixelFormat.PF_ETC2_RGB:
data = Detex.DecodeDetexLinear(mip.Data.Data, mip.SizeX, mip.SizeY, false,
inputFormat: DetexTextureFormat.DETEX_TEXTURE_FORMAT_ETC2,
outputPixelFormat: DetexPixelFormat.DETEX_PIXEL_FORMAT_RGBA8);
colorType = SKColorType.Rgba8888;
break;
case EPixelFormat.PF_ETC2_RGBA:
data = Detex.DecodeDetexLinear(mip.Data.Data, mip.SizeX, mip.SizeY, false,
inputFormat: DetexTextureFormat.DETEX_TEXTURE_FORMAT_ETC2_EAC,
outputPixelFormat: DetexPixelFormat.DETEX_PIXEL_FORMAT_RGBA8);
colorType = SKColorType.Rgba8888;
break;
case EPixelFormat.PF_B8G8R8A8:
data = mip.Data.Data;
colorType = SKColorType.Bgra8888;
break;
case EPixelFormat.PF_G8:
data = mip.Data.Data;
colorType = SKColorType.Gray8;
break;
case EPixelFormat.PF_FloatRGBA:
data = mip.Data.Data;
colorType = SKColorType.RgbaF16;
break;
default: throw new NotImplementedException($"Unknown pixel format: {format}");
}
}
public static SKImage DecodeImage(byte[] sequence, int width, int height, int depth, EPixelFormat format)
{
byte[] data;
SKColorType colorType;
switch (format)
{
case EPixelFormat.PF_DXT5:
data = DXTDecoder.DecodeDXT5(sequence, width, height, depth);
colorType = SKColorType.Rgba8888;
break;
case EPixelFormat.PF_DXT1:
data = DXTDecoder.DecodeDXT1(sequence, width, height, depth);
colorType = SKColorType.Rgba8888;
break;
case EPixelFormat.PF_ASTC_8x8:
var x = (int)TextureFormatHelper.GetBlockWidth(format);
var y = (int)TextureFormatHelper.GetBlockHeight(format);
var z = (int)TextureFormatHelper.GetBlockDepth(format);
data = ASTCDecoder.DecodeToRGBA8888(sequence, x, y, z, width, height, 1);
colorType = SKColorType.Rgba8888;
break;
case EPixelFormat.PF_B8G8R8A8:
data = sequence;
colorType = SKColorType.Bgra8888;
break;
case EPixelFormat.PF_BC5:
data = BCDecoder.DecodeBC5(sequence, width, height);
colorType = SKColorType.Bgra8888;
break;
case EPixelFormat.PF_BC4:
data = BCDecoder.DecodeBC4(sequence, width, height);
colorType = SKColorType.Bgra8888;
break;
case EPixelFormat.PF_G8:
data = sequence;
colorType = SKColorType.Gray8;
break;
case EPixelFormat.PF_FloatRGBA:
data = sequence;
colorType = SKColorType.RgbaF16;
break;
default:
throw new NotImplementedException($"Cannot decode {format} format");
}
using var bitmap = new SKBitmap(new SKImageInfo(width, height, colorType, SKAlphaType.Unpremul));
unsafe
{
fixed(byte *p = data)
{
bitmap.SetPixels(new IntPtr(p));
}
}
return(SKImage.FromBitmap(bitmap));
}
