[kwin] [Bug 488869] New: When snapping a window to a custom tile using shift, kwin prints to journal "kwin_scene_opengl: 0x2: GL_INVALID_OPERATION in glDrawBuffers(unsupported buffer GL_BACK_LEFT)"

[Naxdy]

https://bugs.kde.org/show_bug.cgi?id=488869

            Bug ID: 488869
           Summary: When snapping a window to a custom tile using shift,
                    kwin prints to journal "kwin_scene_opengl: 0x2:
                    GL_INVALID_OPERATION in glDrawBuffers(unsupported
                    buffer GL_BACK_LEFT)"
    Classification: Plasma
           Product: kwin
           Version: 6.1.0
          Platform: NixOS
                OS: Linux
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: Custom Tiling
          Assignee: kwin-bugs-n...@kde.org
          Reporter: xna...@hydra-development.net
                CC: notm...@gmail.com
  Target Milestone: ---

SUMMARY
When snapping a window to a custom tile using shift, kwin prints to journal
"kwin_scene_opengl: 0x2: GL_INVALID_OPERATION in glDrawBuffers(unsupported
buffer GL_BACK_LEFT)"

OpenGL Info:
Jun 21 09:21:42 nxnix kwin_wayland[6389]: OpenGL vendor string:                
  AMD
Jun 21 09:21:42 nxnix kwin_wayland[6389]: OpenGL renderer string:              
  AMD Radeon RX 7900 XTX (radeonsi, navi31, LLVM 17.0.6, DRM 3.57, 6.9.5-zen1)
Jun 21 09:21:42 nxnix kwin_wayland[6389]: OpenGL version string:               
  4.6 (Core Profile) Mesa 24.1.1
Jun 21 09:21:42 nxnix kwin_wayland[6389]: OpenGL shading language version
string: 4.60
Jun 21 09:21:42 nxnix kwin_wayland[6389]: Driver:                              
  Unknown
Jun 21 09:21:42 nxnix kwin_wayland[6389]: GPU class:                           
  Unknown
Jun 21 09:21:42 nxnix kwin_wayland[6389]: OpenGL version:                      
  4.6
Jun 21 09:21:42 nxnix kwin_wayland[6389]: GLSL version:                        
  4.60
Jun 21 09:21:42 nxnix kwin_wayland[6389]: Mesa version:                        
  24.1.1
Jun 21 09:21:42 nxnix kwin_wayland[6389]: Requires strict binding:             
  no
Jun 21 09:21:42 nxnix kwin_wayland[6389]: Virtual Machine:                     
  no
Jun 21 09:21:42 nxnix kwin_wayland[6389]: OpenGL vendor string:                
  AMD
Jun 21 09:21:42 nxnix kwin_wayland[6389]: OpenGL renderer string:              
  AMD Radeon RX 7900 XTX (radeonsi, navi31, LLVM 17.0.6, DRM 3.57, 6.9.5-zen1)
Jun 21 09:21:42 nxnix kwin_wayland[6389]: OpenGL version string:               
  4.6 (Core Profile) Mesa 24.1.1
Jun 21 09:21:42 nxnix kwin_wayland[6389]: OpenGL shading language version
string: 4.60
Jun 21 09:21:42 nxnix kwin_wayland[6389]: Driver:                              
  Unknown
Jun 21 09:21:42 nxnix kwin_wayland[6389]: GPU class:                           
  Unknown
Jun 21 09:21:42 nxnix kwin_wayland[6389]: OpenGL version:                      
  4.6
Jun 21 09:21:42 nxnix kwin_wayland[6389]: GLSL version:                        
  4.60
Jun 21 09:21:42 nxnix kwin_wayland[6389]: Mesa version:                        
  24.1.1
Jun 21 09:21:42 nxnix kwin_wayland[6389]: Requires strict binding:             
  no
Jun 21 09:21:42 nxnix kwin_wayland[6389]: Virtual Machine:                     
  no


STEPS TO REPRODUCE
1. Snap a window to a custom tile

OBSERVED RESULT
kwin prints "kwin_scene_opengl: 0x2: GL_INVALID_OPERATION in
glDrawBuffers(unsupported buffer GL_BACK_LEFT)" to journal

EXPECTED RESULT
kwin prints no warnings to journal

SOFTWARE/OS VERSIONS
Linux/KDE Plasma: NixOS
(available in About System)
KDE Plasma Version: 6.1.0
KDE Frameworks Version: 6.3.0
Qt Version: 6.7.1

ADDITIONAL INFORMATION
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