[Libreoffice-bugs] [Bug 139917] Smooth scroll works opposite of that indicated by checkbox

[bugzilla-daemon at bugs.documentfoundation.org]

https://bugs.documentfoundation.org/show_bug.cgi?id=139917

V Stuart Foote <vstuart.foote at utsa.edu> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Blocks|                            |129062

--- Comment #2 from V Stuart Foote <vstuart.foote at utsa.edu> ---
So, seems the smooth scroll buffering may not behave well with Skia Vulkan
rendering, depending on GPU and driver.

It performs fine on an Intel HD Graphics 620 GPU with Skia Vulkan rendering,
but is not very smooth with nVidia Quatro K2000 with Skia Vulkan.

The buffering and smooth scrolling with Raster rendering is good with both
GPUs.

@Luboš, does this make sense?

=-ref-=

Version: 7.2.0.0.alpha0+ (x64) / LibreOffice Community
Build ID: 6c8a6b6aa2f962bd2fadbdf27405bfcd7d167fec
CPU threads: 8; OS: Windows 10.0 Build 18363; UI render: Skia/Vulkan; VCL: win
Locale: en-US (en_US); UI: en-US
Calc: CL

skia driver.logs with Vulcan:
Problems with smooth scroll buffering
RenderMethod: vulkan
Vendor: 0x10de
Device: 0xffe
API: 1.2.142
Driver: 457.36.0
DeviceType: discrete
DeviceName: Quadro K2000
Denylisted: no

No issues with smooth scroll
RenderMethod: vulkan
Vendor: 0x8086
Device: 0x5916
API: 1.2.151
Driver: 0.402.591
DeviceType: integrated
DeviceName: Intel(R) HD Graphics 620
Denylisted: no


Referenced Bugs:

https://bugs.documentfoundation.org/show_bug.cgi?id=129062
[Bug 129062] [META] Skia library bugs
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