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Input Touch blueprint stutter on Windows touch devices

Hi,

I have been experimenting with Windows touch screens and there is a noticeable jump / drop in framerate when the 'input touch' node is triggered.

This is reproducible in 4.17 by creating a new blank project, setting up an input touch node in the pawn and observing stat unitgraph whilst tapping the touch screen. I have tried this with a few different Windows touch devices and the judder is always there. It looks like processing the touch causes the game to pause a fraction of a second.

This was not present in 4.14 where the mouse cursor emulated touch.

Product Version: UE 4.17
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asked Nov 16 '17 at 01:02 PM in Bug Reports

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LeeKent
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Hello LeeKent,

We are using a new bug submission form. Please navigate to the link below for more information.

Link: https://forums.unrealengine.com/unreal-engine/announcements-and-releases/1410408-unreal-engine-bug-submission-form

Make it a great day

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answered Jan 09 '18 at 09:41 PM

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Rudy Q ♦♦ STAFF
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