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Cache

Cache​

Consider the following nodes.

1. Render Node
2. └ Transform Node
3. 　 └ Effect Node (Drop Shadow, with animation)
4. 　 　 └ Effect Node (Outline)
5. 　 　 　 └ Shape Node

Transform Node and Shape Node have no animation.

In conclusion, In this example, after a few frames are rendered, Beutl will cache up to the 4th effect node.
Below is an explanation of why this happens.

Determining Cacheability​

If the same state persists for 3 or more frames, it is considered cacheable. During node rendering, a count is maintained, and if the node changes, the count is reset to zero. When this count reaches 3 or more, it is considered cacheable.

If a node is cacheable and all its child elements are cacheable, the rendering content of that node is cached.