Beispiel #1
0
        public BufferHandle Retain(bool pin = false)
        {
            BufferHandle bufferHandle;

            if (pin)
            {
                if (_owner != null)
                {
                    bufferHandle = _owner.Pin(_index);
                }
                else
                {
                    var handle = GCHandle.Alloc(_array, GCHandleType.Pinned);
                    unsafe
                    {
                        var pointer = OwnedBuffer <T> .Add((void *)handle.AddrOfPinnedObject(), _index);

                        bufferHandle = new BufferHandle(null, pointer, handle);
                    }
                }
            }
            else
            {
                if (_owner != null)
                {
                    _owner.Retain();
                }
                bufferHandle = new BufferHandle(_owner);
            }
            return(bufferHandle);
        }
Beispiel #2
0
        public BufferHandle Retain(bool pin = false)
        {
            BufferHandle bufferHandle;

            if (pin)
            {
                if (_index < 0)
                {
                    bufferHandle = Unsafe.As <OwnedBuffer <T> >(_arrayOrOwnedBuffer).Pin(_index & bitMask);
                }
                else
                {
                    var handle = GCHandle.Alloc(Unsafe.As <T[]>(_arrayOrOwnedBuffer), GCHandleType.Pinned);
                    unsafe
                    {
                        var pointer = OwnedBuffer <T> .Add((void *)handle.AddrOfPinnedObject(), _index);

                        bufferHandle = new BufferHandle(null, pointer, handle);
                    }
                }
            }
            else
            {
                if (_index < 0)
                {
                    Unsafe.As <OwnedBuffer <T> >(_arrayOrOwnedBuffer).Retain();
                    bufferHandle = new BufferHandle(Unsafe.As <OwnedBuffer <T> >(_arrayOrOwnedBuffer));
                }
                else
                {
                    bufferHandle = new BufferHandle(null);
                }
            }
            return(bufferHandle);
        }