public static bool ExportTexture(Texture2D texture, Stream exportStream)
{
byte[] buffer = (byte[])texture.GetImageData();
if (buffer.Length == 0)
{
return(false);
}
using (DirectBitmap bitmap = ConvertToBitmap(texture, buffer))
{
if (bitmap == null)
{
return(false);
}
else
{
// despite the name, this packing works for different formats
if (texture.LightmapFormat == TextureUsageMode.NormalmapDXT5nm)
{
TextureConverter.UnpackNormal(bitmap.BitsPtr, bitmap.Bits.Length);
}
bitmap.Save(exportStream, ImageFormat.Png);
return(true);
}
}
}
private static DirectBitmap ConvertToBitmap(Texture2D texture, byte[] data)
{
switch (texture.TextureFormat)
{
case TextureFormat.DXT1:
case TextureFormat.DXT3:
case TextureFormat.DXT5:
return(TextureConverter.DXTTextureToBitmap(texture, data));
case TextureFormat.Alpha8:
case TextureFormat.ARGB4444:
case TextureFormat.RGB24:
case TextureFormat.RGBA32:
case TextureFormat.ARGB32:
case TextureFormat.RGB565:
case TextureFormat.R16:
case TextureFormat.RGBA4444:
case TextureFormat.BGRA32:
case TextureFormat.RG16:
case TextureFormat.R8:
return(TextureConverter.RGBTextureToBitmap(texture, data));
case TextureFormat.YUY2:
return(TextureConverter.YUY2TextureToBitmap(texture, data));
case TextureFormat.PVRTC_RGB2:
case TextureFormat.PVRTC_RGBA2:
case TextureFormat.PVRTC_RGB4:
case TextureFormat.PVRTC_RGBA4:
return(TextureConverter.PVRTCTextureToBitmap(texture, data));
case TextureFormat.ETC_RGB4:
case TextureFormat.ETC2_RGB:
case TextureFormat.ETC2_RGBA1:
case TextureFormat.ETC2_RGBA8:
case TextureFormat.ETC_RGB4_3DS:
case TextureFormat.ETC_RGBA8_3DS:
return(TextureConverter.ETCTextureToBitmap(texture, data));
case TextureFormat.ASTC_RGB_4x4:
case TextureFormat.ASTC_RGB_5x5:
case TextureFormat.ASTC_RGB_6x6:
case TextureFormat.ASTC_RGB_8x8:
case TextureFormat.ASTC_RGB_10x10:
case TextureFormat.ASTC_RGB_12x12:
case TextureFormat.ASTC_RGBA_4x4:
case TextureFormat.ASTC_RGBA_5x5:
case TextureFormat.ASTC_RGBA_6x6:
case TextureFormat.ASTC_RGBA_8x8:
case TextureFormat.ASTC_RGBA_10x10:
case TextureFormat.ASTC_RGBA_12x12:
return(TextureConverter.ASTCTextureToBitmap(texture, data));
case TextureFormat.RHalf:
case TextureFormat.RGHalf:
case TextureFormat.RGBAHalf:
case TextureFormat.RFloat:
case TextureFormat.RGFloat:
case TextureFormat.RGBAFloat:
case TextureFormat.RGB9e5Float:
case TextureFormat.ATC_RGB4:
case TextureFormat.ATC_RGBA8:
case TextureFormat.EAC_R:
case TextureFormat.EAC_R_SIGNED:
case TextureFormat.EAC_RG:
case TextureFormat.EAC_RG_SIGNED:
return(TextureConverter.TextureConverterTextureToBitmap(texture, data));
case TextureFormat.BC4:
case TextureFormat.BC5:
case TextureFormat.BC6H:
case TextureFormat.BC7:
return(TextureConverter.TexgenpackTextureToBitmap(texture, data));
case TextureFormat.DXT1Crunched:
case TextureFormat.DXT5Crunched:
return(TextureConverter.DXTCrunchedTextureToBitmap(texture, data));
case TextureFormat.ETC_RGB4Crunched:
case TextureFormat.ETC2_RGBA8Crunched:
return(TextureConverter.ETCCrunchedTextureToBitmap(texture, data));
default:
Logger.Log(LogType.Error, LogCategory.Export, $"Unsupported texture format '{texture.TextureFormat}'");
return(null);
}
}
