https://bugs.documentfoundation.org/show_bug.cgi?id=168255
Bug ID: 168255
Summary: Add a FPS counter for LibreOffice Writer on debug mode
Product: LibreOffice
Version: unspecified
Hardware: All
OS: All
Status: UNCONFIRMED
Severity: normal
Priority: medium
Component: Writer
Assignee: [email protected]
Reporter: [email protected]
Description:
In computer programs with GUI display, a good measure for application
performance is FPS. This is extensively used in graphics intensive programs
like games, 3d rendering, etc.
It is possible to have such a measure through external applications, for
example from utility applications of the GPU vendors, and also from the OS,
like Microsoft Windows. As an example, see this guide:
5 Quick Ways to Show FPS Counter in Windows 11
https://www.guidingtech.com/how-to-show-fps-counter-in-games-windows-11
On the other hand, it is more useful to have such a feature in LibreOffice core
itself. For LibreOffice impress, this is already available. If you run
LibreOffice Impress from a debug build, it displays:
FPS: ...
Sprites: ...
Mem: ...
These are useful information generated in
canvas/source/vcl/spritecanvashelper.cxx and are only displayed in a debug
build. Calculating FPS is done in SpriteCanvasHelper::renderFrameCounter() by
measuring the elapsed time since last update, maLastUpdate.getElapsedTime().
The task here to do the same for LibreOffice Writer.
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