How to improve the performance of Shadow in JavaFX

[yososs]

OpenJFX Shadow becomes a practical fps by specifying the following jvm option. It works at about 48fps on my macbook.

-Ddecora.maxLinearConvolveKernelSize=16

Alternatively, you can specify a lightweight blur algorithm.

shadow.setBlurType (BlurType.ONE_PASS_BOX)