https://bugs.kde.org/show_bug.cgi?id=499483
--- Comment #11 from Irfan <irfanhakim...@yahoo.com> ---
(In reply to balooii from comment #10)
> * check that your nvidia drivers are up-to-date, as well as the flatpak GL
> runtime. The runtime should be called like this
> `org.freedesktop.Platform.GL.nvidia-<MAJORVERSION>-<MINORVERSION>`.
My NVIDIA drivers were up-to-date, as well as my Flatpak GL runtime(s):
```sh
❯ modinfo nvidia | grep ^version
version: 570.144
```
```sh
❯ flatpak list --user | grep -i org.freedesktop.Platform.GL.nvidia
nvidia-570-124-04 org.freedesktop.Platform.GL.nvidia-570-124-04
1.4
nvidia-570-144 org.freedesktop.Platform.GL.nvidia-570-144 1.4
```
> * try to start the app via appimage instead of flatpak
I was able to download and launch the AppImage version `24.12.3`.
> * try accessing OpenGL info about your system without using Kdenlive e.g. by
> running command `glxinfo -B`. This should also show vendor/renderer
> information.
I got this output:
```sh
❯ glxinfo -B
name of display: :1
display: :1 screen: 0
direct rendering: Yes
Memory info (GL_NVX_gpu_memory_info):
Dedicated video memory: 12288 MB
Total available memory: 12288 MB
Currently available dedicated video memory: 9868 MB
OpenGL vendor string: NVIDIA Corporation
OpenGL renderer string: NVIDIA GeForce RTX 3080 Ti/PCIe/SSE2
OpenGL core profile version string: 4.6.0 NVIDIA 570.144
OpenGL core profile shading language version string: 4.60 NVIDIA
OpenGL core profile context flags: (none)
OpenGL core profile profile mask: core profile
OpenGL version string: 4.6.0 NVIDIA 570.144
OpenGL shading language version string: 4.60 NVIDIA
OpenGL context flags: (none)
OpenGL profile mask: (none)
OpenGL ES profile version string: OpenGL ES 3.2 NVIDIA 570.144
OpenGL ES profile shading language version string: OpenGL ES GLSL ES 3.20
```
> * if it still cant detect your GPU as openGL renderer, try starting the app
> with these environment variables set QT_QUICK_BACKEND=software
> QT_OPENGL=software
I added these env variables through Flatseal, and it launches the app
successfully - tho I assume this is not a viable workaround and is merely for
troubleshooting?
I've also added the logs when launching the Flatpak through the terminal, here:
https://gist.github.com/irfanhakim-as/4f51e6718b0a157e4d89b2aa2b9543a5#file-launch_kdenlive_28-04-2025-log.
Thanks for the helpful troubleshooting instructions btw, sorry for returning
late as I've only gotten access to my PC after the weekend.
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