public byte[] GenerateMipsAndCompress(Bitmap bitmap, TEX_FORMAT Format, float alphaRef = 0.5f)
{
byte[] DecompressedData = BitmapExtension.ImageToByte(bitmap);
DecompressedData = ConvertBgraToRgba(DecompressedData);
Bitmap Image = BitmapExtension.GetBitmap(DecompressedData, bitmap.Width, bitmap.Height);
List <byte[]> mipmaps = new List <byte[]>();
mipmaps.Add(STGenericTexture.CompressBlock(DecompressedData,
bitmap.Width, bitmap.Height, Format, alphaRef));
for (int mipLevel = 0; mipLevel < MipCount; mipLevel++)
{
if (Image.Width / 2 > 0 && Image.Height / 2 > 0)
{
Image = BitmapExtension.Resize(Image, Image.Width / 2, Image.Height / 2);
mipmaps.Add(STGenericTexture.CompressBlock(BitmapExtension.ImageToByte(Image),
Image.Width, Image.Height, Format, alphaRef));
}
}
Image.Dispose();
return(Utils.CombineByteArray(mipmaps.ToArray()));
}
public static byte[] GenerateMipsAndCompress(Bitmap bitmap, uint MipCount, TEX_FORMAT Format, float alphaRef = 0.5f, STCompressionMode CompressionMode = STCompressionMode.Fast)
{
byte[] DecompressedData = BitmapExtension.ImageToByte(bitmap);
DecompressedData = ConvertBgraToRgba(DecompressedData);
Bitmap Image = BitmapExtension.GetBitmap(DecompressedData, bitmap.Width, bitmap.Height);
List <byte[]> mipmaps = new List <byte[]>();
for (int mipLevel = 0; mipLevel < MipCount; mipLevel++)
{
int width = Math.Max(1, bitmap.Width >> mipLevel);
int height = Math.Max(1, bitmap.Height >> mipLevel);
Image = BitmapExtension.Resize(Image, width, height);
mipmaps.Add(STGenericTexture.CompressBlock(BitmapExtension.ImageToByte(Image),
Image.Width, Image.Height, Format, alphaRef, CompressionMode));
}
Image.Dispose();
return(Utils.CombineByteArray(mipmaps.ToArray()));
}
