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 ARKitImageDatabase(XRReferenceImageLibrary serializedLibrary)
{
if (serializedLibrary == null)
{
nativePtr = UnityARKit_ImageDatabase_createEmpty();
}
else
{
var managedReferenceImages = new NativeArray <ManagedReferenceImage>(serializedLibrary.count, Allocator.Temp);
for (int i = 0; i < serializedLibrary.count; ++i)
{
managedReferenceImages[i] = new ManagedReferenceImage(serializedLibrary[i]);
}
using (managedReferenceImages)
{
var nativeReturnCode = UnityARKit_ImageDatabase_tryCreateFromResourceGroup(
serializedLibrary.name, serializedLibrary.name.Length, serializedLibrary.guid,
managedReferenceImages.GetUnsafePtr(), managedReferenceImages.Length,
out IntPtr ptr);
switch (nativeReturnCode)
{
case SetReferenceLibraryResult.Success:
nativePtr = ptr;
break;
case SetReferenceLibraryResult.FeatureUnavailable:
throw new InvalidOperationException($"Failed to resolve image library '{serializedLibrary.name}'. This feature only works on versions of ARKit 11.3 and newer.");
case SetReferenceLibraryResult.ResourceDoesNotExist:
throw new InvalidOperationException($"Failed to resolve image library '{serializedLibrary.name}'. There is no matching resource group, or the resource group does not contain any reference images.");
default:
throw new InvalidOperationException($"Unexpected return code {nativeReturnCode} encountered while trying to create a reference image library with name {serializedLibrary.name}.");
}
}
}
}
static extern unsafe bool UnityARKit_ImageDatabase_AddImage(
IntPtr database, void *bytes, TextureFormat format,
int width, int height, float physicalWidth,
ref ManagedReferenceImage managedReferenceImage);
