OPEN_GL and NVIDIA

[jhjun724]

Hi! I'm really interested in your SUMA and SUMA++ and I'm trying to run it on my computer.
It was successful to build. Thank you for your posts.
But there was a problem in visualizer.
I think this problem caused with my computer(without graphic card).
I want to ask you that my guess is right.

$ glxinfo | grep "version"
server glx version string: 1.4
client glx version string: 1.4
GLX version: 1.4
    Max core profile version: 4.6
    Max compat profile version: 3.0
    Max GLES1 profile version: 1.1
    Max GLES[23] profile version: 3.2
OpenGL core profile version string: 4.6 (Core Profile) Mesa 20.0.8
OpenGL core profile shading language version string: 4.60
OpenGL version string: 3.0 Mesa 20.0.8
OpenGL shading language version string: 1.30
OpenGL ES profile version string: OpenGL ES 3.2 Mesa 20.0.8
OpenGL ES profile shading language version string: OpenGL ES GLSL ES 3.20
    GL_EXT_shader_implicit_conversions, GL_EXT_shader_integer_mix,

Here is the result of version check and

~/catkin_ws/src/SuMa/bin$ ./visualizer 
OpenGL Context Version 4.6 core profile
GLEW initialized.
OpenGL context version: 4.6
OpenGL vendor string  : Intel Open Source Technology Center
OpenGL renderer string: Mesa DRI Intel(R) HD Graphics 530 (SKL GT2)
Segmentation fault (core dumped)

this is the error message.
I didn't try SUMA++. This problem is related with SUMA which is uploaded on github.com/PRBonn/SuMa. But there was no issue link, so I'm asking here.

Thank you.

[Chen-Xieyuanli]

Hey @jhjun724, I never tried our method without an Nvidia graphic card (facepalm).
Since our method is based on OpenGL shaders, I guess it would be very hard to make it work without a graphic card.

@jbehley Jens, do you have any comments on this?

[jhjun724]

Thank you for your answer!

[lifangyan16]

@jhjun724
When you install Nvidia driver, don't add '-no-opengl-files'. When you reboot, you will find you can't open you ubuntu. This is true.

Here, don't select 'Ubuntu' but 'Ubuntu on Wayland'
cd /etc/X11
Backup 'xorg.conf'.
Then, set 'xorg.conf' like this:
https://forums.developer.nvidia.com/t/opengl-doesnt-use-nvidia-drivers-on-ubuntu-18-04-uses-llvmpipe/126084/4

Section "ServerLayout"
Identifier "layout"
Screen 0 "nvidia" 0 0
EndSection

Section "Monitor"
Identifier "Monitor0"
VendorName "Unknown"
ModelName "Fake"
HorizSync 15.0 - 86.0
VertRefresh 60
Option "DPMS" "False"
EndSection

Section "Device"
Identifier "nvidia"
Driver "nvidia"
VendorName "NVIDIA Corporation"
Option "ConnectedMonitor" "DFP-0"
Option "AllowEmptyInitialConfiguration"
EndSection

Section "Screen"
Identifier "nvidia"
Device "nvidia"
Monitor "Monitor0"
EndSection

Reboot and you can select 'Ubuntu' and can go in!
Next, you need
sudo apt install nvidia-settings
sudo apt install nvidia-prime
When you input 'nvidia-settings' you can find this:



Congratulations!