private void Unload(bool disposing)
{
if (_realComposedLut == null)
{
return;
}
lock (_syncLock)
{
if (_realComposedLut == null)
{
return;
}
Diagnostics.OnLargeObjectReleased(_largeObjectData.BytesHeldCount);
//We can't return a buffer to the pool unless we're certain it's not
//being used anywhere else, which means this cache item must be
//being disposed.
if (disposing)
{
_bufferCache.Return(_realComposedLut.Data);
}
_realComposedLut = null;
_largeObjectData.BytesHeldCount = 0;
_largeObjectData.LargeObjectCount = 0;
MemoryManager.Remove(this);
}
}
public IComposedLut GetLut(LutCollection sourceLuts)
{
IComposedLut lut = _realComposedLut;
if (lut != null)
{
return(lut);
}
lock (_syncLock)
{
if (_realComposedLut != null)
{
return(_realComposedLut);
}
//Trace.WriteLine(String.Format("Creating Composed Lut '{0}'", Key), "LUT");
_realComposedLut = new ComposedLut(sourceLuts, _bufferCache);
//just use the creation time as the "last access time", otherwise it can get expensive when called in a tight loop.
_largeObjectData.UpdateLastAccessTime();
_largeObjectData.BytesHeldCount = _realComposedLut.Data.Length * sizeof(int);
_largeObjectData.LargeObjectCount = 1;
MemoryManager.Add(this);
Diagnostics.OnLargeObjectAllocated(_largeObjectData.BytesHeldCount);
return(_realComposedLut);
}
}