Description: Screen quality of low res images bad; Skia (fine with GDI) Steps to Reproduce: 1. Open the attached file 2. Compare with GDI or older version Actual Results: Pixelated Expected Results: Smooth Reproducible: Always User Profile Reset: No Additional Info: Version: 7.2.0.0.alpha0+ (x64) / LibreOffice Community Build ID: 66013201749df7d5ac5ddaf377a7b3732518a93b CPU threads: 4; OS: Windows 6.3 Build 9600; UI render: default; VCL: win Locale: nl-NL (nl_NL); UI: en-US Calc: CL
Created attachment 169303 [details] Example file
Still OK with Version: 7.1.0.0.beta1+ (x64) Build ID: f9fab4203c1aa0b9a3f27ce2713b6d5addc7df19 CPU threads: 4; OS: Windows 6.3 Build 9600; UI render: Skia/Raster; VCL: win Locale: nl-NL (nl_NL); UI: nl-NL Calc: CL
Created attachment 169310 [details] canvas rendered with Skia Vulkan
Created attachment 169311 [details] canvas rendered with default GDI Confirm a noticeable degradation with Skia rendering of raster images testing Windows 10 RenderMethod: vulkan Vendor: 0x8086 Device: 0x5916 API: 1.2.151 Driver: 0.402.591 DeviceType: integrated DeviceName: Intel(R) HD Graphics 620 Denylisted: no Version: 7.2.0.0.alpha0+ (x64) / LibreOffice Community Build ID: 66013201749df7d5ac5ddaf377a7b3732518a93b CPU threads: 4; OS: Windows 10.0 Build 19042; UI render: Skia/Vulkan; VCL: win Locale: en-US (en_US); UI: en-US Calc: threaded
Created attachment 169312 [details] canvas rendered with Skia raster For completeness here is the canvas with Skia raster only rendering, the same.
Just checked that this started with the same commit as my bug #140129 : Bibisected using bibisect-win64-7.2 to: URL: https://cgit.freedesktop.org/libreoffice/core/commit/?id=2cf9b8e265e9694803f55e30f2f392abfa512a5a author Luboš Luňák <l.lunak@collabora.com> Mon Jan 18 19:38:03 2021 +0100 committer Luboš Luňák <l.lunak@collabora.com> Wed Jan 20 11:55:23 2021 +0100 update Skia to chrome/m89
*** Bug 140129 has been marked as a duplicate of this bug. ***
Luboš Luňák committed a patch related to this issue. It has been pushed to "master": https://git.libreoffice.org/core/commit/0a76b8ebbaf934faad27ddb3a4e951b9c743e536 Revert "update Skia to chrome/m89" (tdf#140023) It will be available in 7.2.0. 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.
I have reverted back to chrome/m88. I'll try again when the next milestone comes out again in about a month, there will be further API changes related to this, so I'll take a deeper look at this then.