https://bugs.documentfoundation.org/show_bug.cgi?id=161988
V Stuart Foote <[email protected]> changed: What |Removed |Added ---------------------------------------------------------------------------- Blocks| |129062 Version|4.2.4.2 release |24.2.4.2 release CC| |[email protected] --- Comment #4 from V Stuart Foote <[email protected]> --- Hmm, so another instance of user misconfigured nVidia Optimus GPU switching? Additionally, believe you'll find both GPUs--the Intel integrated iGPU and the nVidia discrete dGPU--are logically connected to *both* monitors. Normally only on a desktop MB and a CPU with no integrated GPU could you have split monitors to two different dGPU. Not the case for vast majority of laptops, both GPUs (iGPU, dGPU) calculate display for both monitors. The OS controls which GPU renders which application, so I'd first look to the application settings for LibreOffice. Check the Windows WDM assigned "high performance" or "power saving" state for LibreOffice (soffice.exe) and the GPU it will use. Use "⊞+i" and "graphics settings" (not the nVidia control panel) to check the settings. Typically to use the Intel iGPU, set it to "power saving", and for use of the nVidia dGPU set it to "high performance". Or you can allow it to "let Windows decide" which for most apps is default. And only at that point, within LibreOffice Tools -> Options -> View there are four config choices for rendering: (1) "Use Skia for all rendering" -- this is default on Win builds and uses Skia calls to Vulkan vector based rendering (2) "Force Skia software rendering" -- this still uses Skia libs but with calls for raster framing, reduced and simplified GPU load (3) "Use hardware acceleration" -- with Skia disabled (both unchecked) and LibreOffice restart uses CPU and OS gdi rendering with calls to the GPU for HA (still GPU driver dependent). (4) unchecked hardware acceleration -- with Skia disabled (both unchecked) uses only CPU for gdi rendering. Noticeably slower. Anti-aliasing is enabled by default and the Skia libs do it well, but disabling can lighten load on CPU when gdi HA is off, tradeoff in appearance of text and draw objects rendered to display. Seems like you've now ended up with config (2). Please check what your WDM "graphics settings" are for the LibreOffice (soffice.exe). Then maybe shuffle the settings and see if you can get LibreOffice to run reliably with config (1) and use the nVidia GPUs Vulkan driver for rendering. If your Vulkan rendering is unstable on the laptop display or the external monitor with (1), just work with config (2). By the way, you are on build 24.2.4.2 (June 2024) not 4.2.4 (May 2014) Referenced Bugs: https://bugs.documentfoundation.org/show_bug.cgi?id=129062 [Bug 129062] [META] Skia library bugs -- You are receiving this mail because: You are the assignee for the bug.
