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Fixed in 2021.1.X
vSyncCount does not work and targetFrameRate is not ignored when vSyncCount is used in the Play Mode
How to reproduce:
1. Open the attached "fps" project
2. Open the Scene "SampleScene"
3. Enter the Play Mode
Expected results: The text in the middle of the Game view shows ~35 fps
Actual results: The text in the middle of the Game view shows ~300 fps (150 if the VSync is enabled in the Game view)
Reproducible with: 2019.3.0a4, 2019.4.21f1, 2020.2.6f1, 2021.1.0b8, 2021.2.0a6
Not reproducible with: 2018.4.32f1, 2019.3.0a3
- Enabling vSync in the Game view through drop-down will set the frames to ~150 but the targetFrameRate will still not be ignored
- In the Build, the targetFrameRate is ignored and you get the correct fps depending on what is vSync set to
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Global vsync cannot affect editor viewports, because every viewport would wait for vsync separately and that would make everything very slow if lots of windows are open. This bug was fixed in 2019.3.0a4. There's a separate vsync option for the game view, and it works correctly.