public static BufferHandle Create <T>(OwnedBuffer <T> owner, int index, GCHandle handle = default(GCHandle))
{
void *pointer;
if (owner.TryGetPointerInternal(out pointer))
{
pointer = Buffer <T> .Add(pointer, index);
}
else
{
ArraySegment <T> buffer;
if (owner.TryGetArrayInternal(out buffer))
{
handle = GCHandle.Alloc(buffer.Array, GCHandleType.Pinned);
pointer = Buffer <T> .Add((void *)handle.AddrOfPinnedObject(), buffer.Offset + index);
}
else
{
throw new InvalidOperationException("Memory cannot be pinned");
}
}
owner.AddReference();
return(new BufferHandle {
_owner = owner,
_handle = handle,
_pointer = pointer
});
}
public unsafe bool TryGetArray(out ArraySegment <T> buffer)
{
if (!_owner.TryGetArrayInternal(out buffer))
{
return(false);
}
buffer = new ArraySegment <T>(buffer.Array, buffer.Offset + _index, _length);
return(true);
}