too high FPS even with vsync on in Ebitengine but off by a hardware configuration

[hajimehoshi]

Ebitengine Version

v2.7.0

Operating System

• Windows
• macOS
• Linux
• FreeBSD
• OpenBSD
• Android
• iOS
• Nintendo Switch
• PlayStation 5
• Xbox
• Web Browsers

Go Version (go version)

Go 1.22

What steps will reproduce the problem?

Run a game with vsync on (ebiten.SetVsyncEnabled(true)), but vsync off by the hardware configuration

(The image was provided by @kyp)

What is the expected result?

FPS is the same as the refresh rate of the monitor

What happens instead?

FPS is too high

Anything else you feel useful to add?

Reported by @kyp

[temidaradev]

Screen.Recording.2024-06-12.at.23.22.23.mov

is this video same with this issue, its on Safari and there is too much FPS and unstable Fps and it get laggy when I close the vsync

[temidaradev]

Screen.Recording.2024-06-13.at.22.14.33.mov

and this is on Mac weird...

[hajimehoshi]

@lidldev do you enable vsync?

[temidaradev]

@hajimehoshi as you see in the videos I close and open vsync and it become normal (60 fps) then when I disable vsync my fps is going too high