https://bugs.documentfoundation.org/show_bug.cgi?id=136527
Bug ID: 136527
Summary: Resizing textboxes in LibreOffice Impress is terribly
slow.
Product: LibreOffice
Version: 7.0.0.3 release
Hardware: x86-64 (AMD64)
OS: Linux (All)
Status: UNCONFIRMED
Severity: normal
Priority: medium
Component: Impress
Assignee: [email protected]
Reporter: [email protected]
Description:
What I did:
- installed LibreOffice on fresh Ubuntu 20.04 on my machine (AMD Radeon Vega 64
GPU, Intel i7-3770K CPU)
- opened LibreOffice Impress (--safe mode to reset settings)
- created an empty/new presentation
- resized the default text boxes using the handles on the side
What happened:
- Textbox resizing was very "laggy", text box resized very clunky, not smooth
at all.
What I expected:
- Smooth resizing of the text boxes
- My Settings:
- all stock settings, Antialiasing is turned on (turning this off makes the
resizing smoother, however all other elements such as circles are ... not
antialised)
- Hardware acceleration is on (tried to turn this off too, no improvement)
- I tried to set the interface to GTK, QT and GEN using the environment
variable
SAL_USE_VCLPLUGIN. No difference.
I am running:
- LibreOffice Version 7.0.1-1
- Xorg 1.20.9-2
- latest AMD drivers (open-source version, Vulkan enabled)
Steps to Reproduce:
1. Create new presentation in loimpress w. anti-aliasing enabled (no theme)
2. Drag resizing handle of a text box
3. Experience "laggy"/non-smooth resizing
Actual Results:
"laggy"/clunky/"low-fps" rendering; resizing process is not smooth
Expected Results:
Resizing should be smooth
Reproducible: Always
User Profile Reset: Yes
OpenGL enabled: Yes
Additional Info:
Version: 7.0.1.2
Build ID: 00(Build:2)
CPU threads: 8; OS: Linux 5.8; UI render: default; VCL: gtk3
Locale: en-US (en_US.UTF-8); UI: en-US
=7.0.1-1
Calc: threaded
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