How to apply blur effect only to part of the image

  • Posts: 4
3 years 7 months ago - 3 years 7 months ago #1 by baal80spam

I am looking for a way to blur only a specific part of the image/screen. Let's say I would like to blur the bottom-left quarter of the screen. Is there a way to do that?

I don't know much about writing shaders and googling for such thing yields no usable results. I assume that coordinates specifying the blur region would be specified by internal shader variables so the affected region could be easily adjusted.

Any suggestions are greatly appreciated! :)

edit: Here's an example of what I'd like to achieve.

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