Flycast: Threaded rendering adds a frame of input lag

Created on 14 Dec 2019  路  5Comments  路  Source: libretro/flycast

It takes 1 more frame to see a reaction on screen when threaded rendering is activated (using the "frame step" K hotkey to count frames).

Tested with the vulkan renderer, Border Down Naomi, win7 x64 latest RA and flycast nightly.

enhancement
Source
picture Tatsuya79
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Most helpful comment

core option

picture Tatsuya79 on 15 Dec 2019
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All 5 comments

This doesn't happen with the GL renderer?

flyinghead picture flyinghead on 14 Dec 2019
👍1

Yes, same behaviour, 4 frames to react with glcore and threaded off, 5 with threaded on.

Tatsuya79 picture Tatsuya79 on 14 Dec 2019

Are we talking Core settings or Retroarch settings?

RaduNastase picture RaduNastase on 15 Dec 2019

core option

Tatsuya79 picture Tatsuya79 on 15 Dec 2019
👍2

Yes I can confirm. Why is it ?

Immersion95 picture Immersion95 on 10 Apr 2020
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