RuntimeError: Attached fragment shader is not compiled.

[yanx27]

Hi , I ran visualize_voxels.py according to your README, but got

  File "E:/Github/semantic-kitti-api/visualize_voxels.py", line 599, in <module>
    window = Window()
  File "E:/Github/semantic-kitti-api/visualize_voxels.py", line 108, in __init__
    self.initializeGL()
  File "E:/Github/semantic-kitti-api/visualize_voxels.py", line 212, in initializeGL
    self.program.link()
  File "E:\Github\semantic-kitti-api\auxiliary\glow.py", line 271, in link
    raise RuntimeError(str(msg.decode("utf-8")))
RuntimeError: Attached fragment shader is not compiled.

libpng warning: iCCP: cHRM chunk does not match sRGB

The library is same to requirement.txt and OpenGL is test well. Is there anyone can help me?

[jbehley]

Hi @yanx27,

we tested our software only under Ubuntu 18.04 and 16.04. Since you seem to use Windows, I cannot really tell what might be a problem. However, I suspect that it could be a problem either with path separators or line separators, but I could now give some advise how to fix it.

I will try to run the stuff under Windows, but it might take some time, since we are currently quite busy. If you can, you should give it a try under Ubunutu.

[VirtualRoyalty]

Hi, @yanx27 ! I had exactly the same problem yesterday. I also tried to run ' visualize_voxels.py-on Windows. After several hours of trying to solve this problem, I realize that perhaps OpenGL calculations are not happening on GPU. After switching all calculations to the GPU via Nvidia manager, the script started working! So you definitely have a chance to deploy this under Windows. I hope this helps you!

[jbehley]

Does the problem persist @yanx27 or can we close this issue?

[yanx27]

@jbehley Hi, I solve the problem when I change to Ubuntu~ Thank you for your help!

[luigui2906]

Hi..! Thanks to @VirtualRoyalty. For people on Windows.. Open or download the NVIDIA Control Panel and go on the left bar to: 3D Settings > Manage 3D settings > Preferred graphics processor.

Change to High-Performance NVIDIA processor.

Best.

[ZepherusFF]

Hi @luigui2906 , Considering your comment on this post does it mean you managed to get it working on windows ? Could you share how you did this?

[luigui2906]

Hi @ZepherusFF,

Yes, I did what I indicated above. I attach an image to clarify.

Good luck.

[ZepherusFF]

Hi @luigui2906 , ah yes I understood what you meant by the nvidia process, but I was more asking on the compilation part if you did anything peculiar? We tried and had couple issues and are gonna retry this week.

[luigui2906]

No. Nothing in particular, just installed the needed dependencies with either pip or conda (glfw, pyopengl, imgui).

I had the same error:

raise RuntimeError(str(msg.decode("utf-8"))) RuntimeError: Attached fragment shader is not compiled.

Just changed the configuration on the Nvidia Control Panel as mentioned and then started working.