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Fixed in 2021.1.X
Fixed in 2020.2.X
Votes
2
Found in
2020.2
2020.2.0b11
2021.1
Issue ID
1293091
Regression
Yes
Significantly lower FPS produced when using ExclusiveFullScreen mode compared to FullScreenWindow mode
Reproduction steps:
1. Open the project attached by the user
2. Build and run the "SampleScene" (File -> Build and Run)
3. Set "Max queued frames" field to 1
4. Observe the FPS
5. Click on the "fs" button
6. Observe the FPS
Expected result: Frame rate in 2020.2 isn't lower compared to 2020.1.
Actual result: Frame rate is 2020.2 is much lower than 2020.1:
2019.4.15f1 ~1700 vs ~500 (at first it's 2000 in fullscreen, but after a bit it drops)
2020.1.14f1 ~2000 vs ~600 (same as with 2019.4.15f1, it first starts at 2000, then drops to 1700)
2020.2.0b12 ~1200 vs ~250 (the difference seems stable, unlike previous streams)
Notes:
- Not reproducible with DX12, Vulkan (the FPS doesn't drop after switching)
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Resolution Note (fix version 2021.1):
Fixed in 2021.1.0a9
Resolution Note (fix version 2020.2):
Fixed in 2020.2.0b14