https://bugs.documentfoundation.org/show_bug.cgi?id=140132
Bug ID: 140132
Summary: Unbearable flicker, when HDR and G-Sync is turned on
(NVidia with workaround)
Product: LibreOffice
Version: 6.4.7.2 release
Hardware: x86-64 (AMD64)
OS: Windows (All)
Status: UNCONFIRMED
Severity: minor
Priority: medium
Component: UI
Assignee: [email protected]
Reporter: [email protected]
Description:
I just received my new Monitor with G-Sync and HDR. Everything was fine, until
i opened LibreOffice. I got framedrops with unbearable flicker.
Solution/Workaround:
-> Tools
-> Options
-> LibreOffice
-> View
-> DISABLE "Use OpenGL for all rendering"
Steps to Reproduce:
1. Activate G-Sync in Nvidia control panel (fullscreen AND windowed)
2. Activate HDR in Windows Settings
3. (Activate OpenGL rendering in LibreOffice, if turned of)
4. Start LibreOffice (keep it active application)
Actual Results:
Monitor shows varying framerate, screen brightness flickers
Expected Results:
No flickering, steady framerate
Reproducible: Always
User Profile Reset: No
OpenGL enabled: Yes
Additional Info:
Hardware:
GPU: Nvidia 3070
Monitor: Asus xg32vqr
Disabling OpenGL solves the problem.
Might scare LibreOffice users.
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