Description: Scanlines after scrolling skia Raster/Vulkan Steps to Reproduce: 1. Open the attached file 2. Scroll down Lines appear -> go away after changing focus.. Actual Results: Scanlines.. Expected Results: No lines Reproducible: Always User Profile Reset: No Additional Info: Version: 7.0.0.0.alpha1+ (x64) Build ID: 442c7b95e2ee94b66a9854d0cb22f8ecb76532c6 CPU threads: 4; OS: Windows 6.3 Build 9600; UI render: Skia/Vulkan; VCL: win; Locale: nl-NL (nl_NL); UI: en-US Calc: CL
Created attachment 161054 [details] Example file
Created attachment 161055 [details] Screenshot
Confirmed, noticeable off by one framing when scrolling. Version: 7.0.0.0.alpha1+ (x64) Build ID: 442c7b95e2ee94b66a9854d0cb22f8ecb76532c6 CPU threads: 8; OS: Windows 10.0 Build 18362; UI render: Skia/Raster; VCL: win; Locale: en-US (en_US); UI: en-US Calc: CL Get similar with Skia/Vulka, but it heals immediately. RenderMethod: vulkan Vendor: 0x10de Device: 0xffe API: 1.1.119 Driver: 442.296.0 DeviceType: discrete DeviceName: Quadro K2000 Blacklisted: no
Scroll direction seems to affect it. Scrolling down, so images/graphics move up from bottom of app frame leaves the gaps. Scrolling up, so images/graphics move down from top of app frame do not leave gaps. No gaps appear with default GDI rendering.
Luboš Luňák committed a patch related to this issue. It has been pushed to "master": https://git.libreoffice.org/core/commit/7f264f4beec931833b390ae1bbb93b2e22b4ad8a always use region band in Skia's setClipRegion (tdf#133208) It will be available in 7.0.0. 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.