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votes
1answer
599 views

Why is my OpenGL renderer shows my CPU?

From What I've searched, my openGL renderer should show my discrete GPU but strangely, it shows my integrated GPU. Here is my lspci | grep -E "VGA|Display" 00:02.0 VGA compatible controller: Intel ...
2
votes
0answers
680 views

swrast_dri.so is still broken in Ubuntu 14.04? [closed]

I am trying to use an astronomy software package for my work, which apparently relies on some openGL libraries that are screwed up in Ubuntu 14.04. This is the error I get (I get the same one when ...
8
votes
2answers
5k views

How can I run /usr/bin/Xorg without sudo?

This question is about executing /usr/bin/Xorg directly on Ubuntu 14.04. And I know there exists Xdummy, but I couldn't make the dummy driver work properly with the nvidia GPU so it's not an option. ...
4
votes
1answer
3k views

GLX doesn't work using xvfb-run

I'm on Ubuntu 14.04, and using it through ssh, which means I don't have local GUI for it. I need to run some command that requires GLX, but things aren't going well. Xvfb :80 -screen 0 1400x900x24 -...
1
vote
1answer
38 views

Find Source Files for OpenGL on Host

I just installed openGL on ubuntu and would like to tweak some of its source files I use in order to print certain results of some calculations done. I found the header file I needed using: cd / ...
1
vote
0answers
1k views

Vulkan incompatible driver error with proprietary Nvidia 358 driver

I am attempting to install LunarG on my Ubuntu 15.10 system. I have a GTX 750 card and I am using the Nvidia 358.16 proprietary driver. Everything installs alright but when I run vulkaninfo, I get ...
3
votes
3answers
2k views

Linux - rendering performance after switching from nvidia to nouveau drivers

I use UBuntu 14.04 LTS. I have purged all nvidia proprietary drivers and currently my system use Nouveau driver. Here is an output from glxinfo | grep OpenGL : when using nvidia propietary drivers ...
2
votes
1answer
3k views

Error: QOpenGLShader: could not create shader - while running through ssh

From my computer: $ cat /etc/issue && uname -a Ubuntu 14.04.1 LTS \n \l Linux abc-pc 3.13.0-32-generic #57-Ubuntu SMP Tue Jul 15 03:51:08 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux I am using ...
2
votes
0answers
270 views

Can't open Natron on Ubuntu?

I have tried to install and use Natron Softaware for Ubuntu, but when it finished install, it didn't open and show a message Missing OpenGL requirements Please, see the pic How can I fix it?
0
votes
0answers
3k views

Xlib error “extension ”GLX“ missing on display” on VirtualBox guest OS

I have a remote build-machine with Jenkins and I'm trying to run GUI application. In Jenkins I installed Xvnc plugin, which uses TightVNC Server, but each build has failed. Earlier, there was a ...
2
votes
1answer
2k views

Mesa EGL not working, not even initializing

Nearly a week now, and I can't figure out what's wrong! Any pointers would be appreciated (pun intended)! Ubuntu 12.04 x86_64 Mesa-8.0.4 ./configure --enable-64-bit --enable-pic -enable-opengl --...
3
votes
2answers
16k views

Getting OpenGL to work under Ubuntu

I have an Intel graphics card, of which I can't tell whether or not it's being recognized. When I go through GUI to the System Info section, it states that my graphics card is unknown. Despite this, ...