When tile blending is 0%, skip it

I noticed that even when I have tile blending at 0% (it’s a previously generated heightmap im dicing up) it still does a blending pass which takes a while. Can this be skipped all together if it’s at 0%?

Hi Duke,

Thanks for the feature suggestion! To help me get a better sense of the magnitude of this, would you mind timing how long the blending pass is taking when it’s at 0%? Is it a few extra minutes or hours? Thanks!

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