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Split Screen post processing doesn't work

For some reason things like bloom don't show up when Im in split screen.

When in single player alt text

When in Split Screen alt text

Im making a split screen game, and this looks terrible, is there a way to fix this?

Product Version: UE 4.17
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asked Nov 14 '17 at 07:47 AM in Rendering

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In 4.7 Epic applied a Bug Fix where splitscreen caused unwanted artifacts when using certain post-processing features like bloom. The fix was to disable those post processing features.

Now there is an enhancement request to allow people to turn them on suring splitscreen despite the unwanted artifacts: https://issues.unrealengine.com/issue/UE-57785

I encourage you to Vote it up.

In the meantime the only workarounds I've heard of are to alter the engine source code so you can deactivate the "no bloom during splitscreen" flag. or make your own splitscreen via render targets.

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answered Apr 19 '18 at 01:24 AM

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avatar image mightyenigma Feb 11 '19 at 05:24 PM

I used the approach in my project, of downloading the source code version of the engine off of Epic's GitHub, altering that one little 0 to be a 1 in the ShowFlags.cpp file, then compiling the entire engine and migrating my project to that engine version. It was a pain but it worked!

avatar image Neverender Mar 14 '19 at 06:05 AM

FYI: After some digging, it looks like this issue was fixed upstream as of Unreal 4.21.

avatar image mightyenigma Mar 14 '19 at 02:43 PM

Aww so I didnt have to compile my own version of the engine from source after all? Dang it.

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