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Fixed in 2021.2.X

Fixed in 2020.3.X, 2021.1.X

Planned for 2019.4.X

Votes

0

Found in

2019.4

2020.2.1f1

2020.3

2021.1

2021.2

Issue ID

1309804

Regression

No

Unity Player doesn't scale to match Screen Resolution correctly when moving between Screens

Windows

-

Reproduction steps:
1. Open user attached Project
2. Build the Game
3. Open the Player in Windowed mode
4. Move the Window to a different screen

Expected result: Everything is scaled to be the same size relative to screen size
Actual result: Some of the elements change scale, like the Window Title Bar and the build version info at bottom right corner

Reproducible with: 2019.4.24f1, 2020.3.5f1, 2021.1.3f1, 2021.2.0a12

Notes: Best observed with different resolution and display scaling on the screens

  1. Response avatar

    Resolution Note (fix version 2021.2):

    Fixed in 2021.2.0a19
    The fix for the scaling issue is to update the DPI Awareness of the WindowsPlayer which informs Windows to perform the proper DPI scaling.

    This setting can be applied manually (don't have to wait for fix to be released) by editing the "WindowsPlayer.manifest" located in:
    <UnityInstal>\Data\PlaybackEngines\windowsstandalonesupport\Source\WindowsPlayer\WindowsPlayer\WindowsPlayer.manifest

    Change the <WindowsSettings> content block to this:

    <windowsSettings>
    <dpiAware xmlns="http://schemas.microsoft.com/SMI/2005/WindowsSettings">True/PM</dpiAware>
    <dpiAwareness xmlns="http://schemas.microsoft.com/SMI/2016/WindowsSettings">PerMonitorV2</dpiAwareness>
    </windowsSettings>

    NOTE: The PerMonitorV2 setting is only supported on Windows 10 builds 1703 and later (ignored on earlier builds of Windows 10). For more info on Windows High DPI support see: https://docs.microsoft.com/en-us/windows/win32/hidpi/high-dpi-desktop-application-development-on-windows?redirectedfrom=MSDN

    The other issue, app Window is 1/4 original size when relaunching on 4K display, is being fixed as part of other quality improvement work and isn't part of this fix. That is, setting the DPIAwarness won't address this specific problem.

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