public static byte[] DecodePixelBlock(Byte[] data, int width, int height, DDS.DXGI_FORMAT format)
{
if (format == DDS.DXGI_FORMAT.DXGI_FORMAT_R8G8B8A8_UNORM || format == DDS.DXGI_FORMAT.DXGI_FORMAT_R8G8B8A8_UNORM_SRGB)
{
return(data);
}
return(DirectXTex.ImageConverter.Convert(data, width, height, (int)format, (int)DDS.DXGI_FORMAT.DXGI_FORMAT_R8G8B8A8_UNORM));
}
/* public static byte[] CompressBlock(Byte[] data, int width, int height, DDS.DXGI_FORMAT format, float AlphaRef)
* {
* return DirectXTex.ImageCompressor.Compress(data, width, height, (int)format, AlphaRef);
* }*/
public static Bitmap DecompressBlock(Byte[] data, int width, int height, DDS.DXGI_FORMAT format, bool GetBitmap)
{
byte[] output = null;
switch (format)
{
case DDS.DXGI_FORMAT.DXGI_FORMAT_BC1_UNORM:
case DDS.DXGI_FORMAT.DXGI_FORMAT_BC1_UNORM_SRGB:
output = CSharpImageLibrary.DDS.Dxt.DecompressDxt1(data, (int)width, (int)height);
break;
case DDS.DXGI_FORMAT.DXGI_FORMAT_BC3_UNORM:
case DDS.DXGI_FORMAT.DXGI_FORMAT_BC3_UNORM_SRGB:
output = CSharpImageLibrary.DDS.Dxt.DecompressDxt5(data, (int)width, (int)height);
break;
case DDS.DXGI_FORMAT.DXGI_FORMAT_BC4_UNORM:
case DDS.DXGI_FORMAT.DXGI_FORMAT_BC4_SNORM:
output = CSharpImageLibrary.DDS.Dxt.DecompressDxt4(data, (int)width, (int)height);
break;
case DDS.DXGI_FORMAT.DXGI_FORMAT_BC5_UNORM:
case DDS.DXGI_FORMAT.DXGI_FORMAT_BC5_SNORM:
output = CSharpImageLibrary.DDS.Dxt.DecompressDxt4(data, (int)width, (int)height);
break;
case DDS.DXGI_FORMAT.DXGI_FORMAT_BC7_UNORM:
case DDS.DXGI_FORMAT.DXGI_FORMAT_BC7_UNORM_SRGB:
output = CSharpImageLibrary.DDS.Dxt.DecompressBc7(data, (int)width, (int)height);
break;
default:
output = DecompressBlock(data, width, height, format);
break;
}
return(BitmapExtension.GetBitmap(output, (int)width, (int)height));
}
public static Bitmap DecompressCompLibBlock(Byte[] data, int width, int height, DDS.DXGI_FORMAT format, bool GetBitmap)
{
return(BitmapExtension.GetBitmap(DecompressBlock(data, width, height, format), (int)width, (int)height));
}
public static unsafe byte[] EncodePixelBlock(Byte[] data, int width, int height, DDS.DXGI_FORMAT format, float AlphaRef = 0.5f)
{
if (format == DDS.DXGI_FORMAT.DXGI_FORMAT_R8G8B8A8_UNORM || format == DDS.DXGI_FORMAT.DXGI_FORMAT_R8G8B8A8_UNORM_SRGB)
{
return(data);
}
return(Convert(data, width, height, DXGI_FORMAT.R8G8B8A8_UNORM, (DXGI_FORMAT)format));
}
public static unsafe byte[] DecodePixelBlock(Byte[] data, int width, int height, DDS.DXGI_FORMAT format, float AlphaRef = 0.5f)
{
if (format == DDS.DXGI_FORMAT.DXGI_FORMAT_R8G8B8A8_UNORM)
{
byte[] result = new byte[data.Length];
Array.Copy(data, result, data.Length);
return(result);
}
return(Convert(data, width, height, (DXGI_FORMAT)format, DXGI_FORMAT.R8G8B8A8_UNORM));
}
public static unsafe byte[] DecompressBlock(Byte[] data, int width, int height, DDS.DXGI_FORMAT format)
{
Console.WriteLine(format);
Console.WriteLine(width);
Console.WriteLine(height);
long inputRowPitch;
long inputSlicePitch;
TexHelper.Instance.ComputePitch((DXGI_FORMAT)format, width, height, out inputRowPitch, out inputSlicePitch, CP_FLAGS.NONE);
DXGI_FORMAT FormatDecompressed;
if (format.ToString().Contains("SRGB"))
{
FormatDecompressed = DXGI_FORMAT.R8G8B8A8_UNORM_SRGB;
}
else
{
FormatDecompressed = DXGI_FORMAT.R8G8B8A8_UNORM;
}
byte *buf;
buf = (byte *)Marshal.AllocHGlobal((int)inputSlicePitch);
Marshal.Copy(data, 0, (IntPtr)buf, (int)inputSlicePitch);
DirectXTexNet.Image inputImage = new DirectXTexNet.Image(
width, height, (DXGI_FORMAT)format, inputRowPitch,
inputSlicePitch, (IntPtr)buf, null);
TexMetadata texMetadata = new TexMetadata(width, height, 1, 1, 1, 0, 0,
(DXGI_FORMAT)format, TEX_DIMENSION.TEXTURE2D);
ScratchImage scratchImage = TexHelper.Instance.InitializeTemporary(
new DirectXTexNet.Image[] { inputImage }, texMetadata, null);
using (var decomp = scratchImage.Decompress(0, FormatDecompressed))
{
byte[] result = new byte[4 * width * height];
Marshal.Copy(decomp.GetImage(0).Pixels, result, 0, result.Length);
inputImage = null;
scratchImage.Dispose();
return(result);
}
}
public static unsafe byte[] CompressBlock(Byte[] data, int width, int height, DDS.DXGI_FORMAT format, bool multiThread, float AlphaRef = 0.5f, STCompressionMode CompressionMode = STCompressionMode.Normal)
{
long inputRowPitch = width * 4;
long inputSlicePitch = width * height * 4;
if (data.Length == inputSlicePitch)
{
byte *buf;
buf = (byte *)Marshal.AllocHGlobal((int)inputSlicePitch);
Marshal.Copy(data, 0, (IntPtr)buf, (int)inputSlicePitch);
DirectXTexNet.Image inputImage = new DirectXTexNet.Image(
width, height, DXGI_FORMAT.R8G8B8A8_UNORM, inputRowPitch,
inputSlicePitch, (IntPtr)buf, null);
TexMetadata texMetadata = new TexMetadata(width, height, 1, 1, 1, 0, 0,
DXGI_FORMAT.R8G8B8A8_UNORM, TEX_DIMENSION.TEXTURE2D);
ScratchImage scratchImage = TexHelper.Instance.InitializeTemporary(
new DirectXTexNet.Image[] { inputImage }, texMetadata, null);
var compFlags = TEX_COMPRESS_FLAGS.DEFAULT;
if (multiThread)
{
compFlags |= TEX_COMPRESS_FLAGS.PARALLEL;
}
if (format == DDS.DXGI_FORMAT.DXGI_FORMAT_BC7_UNORM ||
format == DDS.DXGI_FORMAT.DXGI_FORMAT_BC7_UNORM_SRGB ||
format == DDS.DXGI_FORMAT.DXGI_FORMAT_BC7_TYPELESS)
{
if (CompressionMode == STCompressionMode.Fast)
{
compFlags |= TEX_COMPRESS_FLAGS.BC7_QUICK;
}
}
if (format == DDS.DXGI_FORMAT.DXGI_FORMAT_BC1_UNORM_SRGB ||
format == DDS.DXGI_FORMAT.DXGI_FORMAT_BC1_UNORM_SRGB ||
format == DDS.DXGI_FORMAT.DXGI_FORMAT_BC2_UNORM_SRGB ||
format == DDS.DXGI_FORMAT.DXGI_FORMAT_BC3_UNORM_SRGB ||
format == DDS.DXGI_FORMAT.DXGI_FORMAT_BC7_UNORM_SRGB)
{
compFlags |= TEX_COMPRESS_FLAGS.SRGB;
}
using (var comp = scratchImage.Compress((DXGI_FORMAT)format, compFlags, 0.5f))
{
long outRowPitch;
long outSlicePitch;
TexHelper.Instance.ComputePitch((DXGI_FORMAT)format, width, height, out outRowPitch, out outSlicePitch, CP_FLAGS.NONE);
byte[] result = new byte[outSlicePitch];
Marshal.Copy(comp.GetImage(0).Pixels, result, 0, result.Length);
inputImage = null;
scratchImage.Dispose();
return(result);
}
}
return(null);
}
private static PixelFormat GetPixelFormatFromDXGI(DDS.DXGI_FORMAT fmt)
{
switch (fmt)
{
case DDS.DXGI_FORMAT.B5G5R5A1_UNORM:
return(PixelFormat.B5_G5_R5_A1_UNorm);
case DDS.DXGI_FORMAT.B8G8R8A8_TYPELESS:
case DDS.DXGI_FORMAT.B8G8R8A8_UNORM:
case DDS.DXGI_FORMAT.B8G8R8X8_TYPELESS:
case DDS.DXGI_FORMAT.B8G8R8X8_UNORM:
return(PixelFormat.B8_G8_R8_A8_UNorm);
case DDS.DXGI_FORMAT.B8G8R8A8_UNORM_SRGB:
case DDS.DXGI_FORMAT.B8G8R8X8_UNORM_SRGB:
return(PixelFormat.B8_G8_R8_A8_UNorm_SRgb);
case DDS.DXGI_FORMAT.R8G8B8A8_UNORM_SRGB:
return(PixelFormat.R8_G8_B8_A8_UNorm_SRgb);
case DDS.DXGI_FORMAT.R8G8B8A8_UNORM:
case DDS.DXGI_FORMAT.R8G8B8A8_TYPELESS:
return(PixelFormat.R8_G8_B8_A8_UNorm);
case DDS.DXGI_FORMAT.BC1_TYPELESS:
case DDS.DXGI_FORMAT.BC1_UNORM:
return(PixelFormat.BC1_Rgba_UNorm);
case DDS.DXGI_FORMAT.BC1_UNORM_SRGB:
return(PixelFormat.BC1_Rgba_UNorm_SRgb);
case DDS.DXGI_FORMAT.BC2_TYPELESS:
case DDS.DXGI_FORMAT.BC2_UNORM:
return(PixelFormat.BC2_UNorm);
case DDS.DXGI_FORMAT.BC2_UNORM_SRGB:
return(PixelFormat.BC2_UNorm_SRgb);
case DDS.DXGI_FORMAT.BC3_TYPELESS:
case DDS.DXGI_FORMAT.BC3_UNORM:
return(PixelFormat.BC3_UNorm);
case DDS.DXGI_FORMAT.BC3_UNORM_SRGB:
return(PixelFormat.BC3_UNorm_SRgb);
case DDS.DXGI_FORMAT.BC4_TYPELESS:
case DDS.DXGI_FORMAT.BC4_UNORM:
return(PixelFormat.BC4_UNorm);
case DDS.DXGI_FORMAT.BC4_SNORM:
return(PixelFormat.BC4_SNorm);
case DDS.DXGI_FORMAT.BC5_TYPELESS:
case DDS.DXGI_FORMAT.BC5_UNORM:
return(PixelFormat.BC5_UNorm);
case DDS.DXGI_FORMAT.BC5_SNORM:
return(PixelFormat.BC5_SNorm);
case DDS.DXGI_FORMAT.BC6H_TYPELESS:
case DDS.DXGI_FORMAT.BC6H_UF16:
return(PixelFormat.BC6H_UFloat);
case DDS.DXGI_FORMAT.BC6H_SF16:
return(PixelFormat.BC6H_SFloat);
case DDS.DXGI_FORMAT.BC7_TYPELESS:
case DDS.DXGI_FORMAT.BC7_UNORM:
return(PixelFormat.BC7_UNorm);
case DDS.DXGI_FORMAT.BC7_UNORM_SRGB:
return(PixelFormat.BC7_UNorm_SRgb);
default:
throw new Exception($"Unimplemented DXGI Type: {fmt.ToString()}");
}
}
public static Bitmap DecompressBlock(Byte[] data, int width, int height, DDS.DXGI_FORMAT format, bool GetBitmap)
{
return(BitmapExtension.GetBitmap(DirectXTex.ImageCompressor.Decompress(data, width, height, (int)format), width, height));
}
public static byte[] CompressBlock(Byte[] data, int width, int height, DDS.DXGI_FORMAT format, float alphaRef)
{
return(DirectXTex.ImageCompressor.Compress(data, width, height, (int)format, alphaRef));
}
public static byte[] DecompressBlock(Byte[] data, int width, int height, DDS.DXGI_FORMAT format)
{
return(DirectXTex.ImageCompressor.Decompress(data, width, height, (int)format));
}
