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Dynamic Upscale/Downscale of the Screen?

Hi there. I'm trying to achieve something like a mosaic effect, basically would be dynamic downsample of the screen using a nearest-neighbor filter. Any idea how to do it?

I've researched and tried to get my head around ScreenTexture and Postprocessing but I don't seem to nail it. So any help would be more than welcome.

I'll leave this as an example in case I didn't made it clear through words :)

alt text

Thanks! Luke

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asked Apr 12 '14 at 07:33 PM in Blueprint Scripting

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Luke di Rago
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avatar image Jacky Apr 12 '14 at 07:39 PM

Adjusting Screen Percentage via console command node in BP and disabling AA in the post process could work i believe.

https://docs.unrealengine.com/latest/INT/Engine/Rendering/Scalability/ScalabilityReference/index.html

avatar image Luke di Rago Apr 12 '14 at 07:53 PM

Hi Jacky

Thanks for the suggestion! I've already tried that. Here's a screenshot, AA turned off by console and screen percentage at 1.0%

alt text

It's all like woobly and round, not quite 'pixelated', which is what I'm after =/ Thanks again

4.jpg (69.7 kB)
avatar image Jacky Apr 12 '14 at 08:21 PM

You are right, the edges still blend with lower screen percentage. It is good actually but not for this purpose. :\ You need to disable up-sampling but i have no idea how. Maybe you can get better help on this in the forums.

avatar image Luke di Rago Apr 12 '14 at 09:11 PM

Thanks, I'll make a thread :)

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