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Blank 3D display when running under Kwin Wayland #13893

Open nikola825 opened 4 months ago

nikola825 commented 4 months ago

Is there an existing issue for this?

Problem description

I'm running FreeCAD under KDE6 with Wayland. When I try to create a new project or open an existing one, the 3D view is just blank image

I see the following output in the terminal when the blank screen is shown Tried enabling the software renderer, it didn't help

FreeCAD 0.21.2, Libs: 0.21.2R33771 (Git)
© Juergen Riegel, Werner Mayer, Yorik van Havre and others 2001-2023
FreeCAD is free and open-source software licensed under the terms of LGPL2+ license.
FreeCAD wouldn't be possible without FreeCAD community.
  #####                 ####  ###   ####  
  #                    #      # #   #   # 
  #     ##  #### ####  #     #   #  #   # 
  ####  # # #  # #  #  #     #####  #   # 
  #     #   #### ####  #    #     # #   # 
  #     #   #    #     #    #     # #   #  ##  ##  ##
  #     #   #### ####   ### #     # ####   ##  ##  ##

The `.FCStd#` backup format is deprecated as of v0.21 and may be removed in future versions.
To update, check the 'Preferences->General->Document->Use date and FCBak extension' option.
Coin warning in cc_glglue_instance(): Error when setting up the GL context. This can happen if there is no current context, or if the context has been set up incorrectly.
Coin warning in glxglue_isdirect(): Couldn't get current GLX context.
Coin warning in SoGLPolygonOffsetElement::updategl(): OpenGL driver doesn't support z-buffer offsetting

But when I run it in X11 mode by calling QT_QPA_PLATFORM=xcb freecad Everything works fine: image

I'm running the package from the Arch linux repositories It's running under Kwin window manager in Wayland mode I have an Nvidia GPU with the proprietary drivers version 550.78

Full version info

OS: Arch Linux (KDE/plasma)
Word size of FreeCAD: 64-bit
Version: 0.21.2.33771 (Git)
Build type: Release
Branch: makepkg
Hash: b9bfa5c5507506e4515816414cd27f4851d00489
Python 3.12.3, Qt 6.7.0, Coin 4.0.2, Vtk 9.3.0, OCC 7.7.2
Locale: English/United States (en_US)

Subproject(s) affected?

None

Anything else?

Here's the file I used in the screenshots. But it probably doesn't matter, even starting a new empty project gives the same problem cube.zip

Code of Conduct

krushia commented 4 months ago

Known issue in Coin3D. Many distros patch FreeCAD to use xcb. https://github.com/coin3d/coin/issues/451