Description: Quite some time spend in SalBitmap::convertDataBitCount while dragging (SKIA) Steps to Reproduce: 1. Open the attached file 2. Go the second sheet and drag Actual Results: Somewhat slow with Raster & Vulkan. 6.1 with OpenGL was surely faster Expected Results: Speed of 6.1 Reproducible: Always User Profile Reset: No Additional Info: Version: 6.1.0.0.beta2+ Build ID: 22c451df33b733440f24c1feb6380d31240d55e6 CPU threads: 4; OS: Windows 6.3; UI render: GL; Locale: nl-NL (nl_NL); Calc: CL
Created attachment 162479 [details] Example file
Luboš Luňák committed a patch related to this issue. It has been pushed to "master": https://git.libreoffice.org/core/commit/d1fcc9053f98cc4afb52498b40a836884bb5ec6f optimize Bitmap::Erase() for Skia by delaying the erase (tdf#134363) It will be available in 7.1.0. The patch should be included in the daily builds available at https://dev-builds.libreoffice.org/daily/ in the next 24-48 hours. More information about daily builds can be found at: https://wiki.documentfoundation.org/Testing_Daily_Builds Affected users are encouraged to test the fix and report feedback.