public static NativeArray <ManagedReferenceImage> ToNativeArray(this XRReferenceImageLibrary library, Allocator allocator)
{
var managedReferenceImages = new NativeArray <ManagedReferenceImage>(library.count, allocator);
for (var i = 0; i < library.count; ++i)
{
managedReferenceImages[i] = new ManagedReferenceImage(library[i]);
}
return(managedReferenceImages);
}
public unsafe ARCoreImageDatabase(XRReferenceImageLibrary serializedLibrary)
{
if (serializedLibrary == null)
{
m_NativePtr = UnityARCore_ImageDatabase_deserialize(default(NativeView <byte>), default(NativeView <ManagedReferenceImage>));
}
else
{
using (var webRequest = new UnityWebRequest(ARCoreImageTrackingProvider.GetPathForLibrary(serializedLibrary)))
{
webRequest.downloadHandler = new DownloadHandlerBuffer();
webRequest.disposeDownloadHandlerOnDispose = true;
webRequest.SendWebRequest();
while (!webRequest.isDone)
{
}
byte[] libraryBlob = webRequest.downloadHandler.data;
if (libraryBlob == null || libraryBlob.Length == 0)
{
throw new InvalidOperationException(string.Format(
"Failed to load image library '{0}' - file was empty!", serializedLibrary.name));
}
var managedReferenceImages = new NativeArray <ManagedReferenceImage>(serializedLibrary.count, Allocator.Temp);
try
{
for (int i = 0; i < serializedLibrary.count; ++i)
{
managedReferenceImages[i] = new ManagedReferenceImage(serializedLibrary[i]);
}
fixed(byte *blob = libraryBlob)
{
m_NativePtr = UnityARCore_ImageDatabase_deserialize(new NativeView <byte>(blob, libraryBlob.Length), managedReferenceImages);
}
}
finally
{
managedReferenceImages.Dispose();
}
}
}
}
static extern unsafe bool UnityARCore_ImageDatabase_addImage(
IntPtr database,
ref ManagedReferenceImage managedReferenceImage,
void *image, int width, int height, void *name);
static extern unsafe void AddImage(
IntPtr database, IntPtr validator,
ref ManagedReferenceImage managedReferenceImage,
void *image, int width, int height, void *name);