Questions tagged [opengl]

This tag should be used be used on questions related to the Open Graphics Library.

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OpenGL not updating frame With X11

I am need an up-and running openGl enabled window. It was almost done. But my program is not updating the frame constantly.. The program is given below.. The problem is when i am cheeking event and ...
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1answer
2k views

What does the OpenGL core profile version string mean?

This is the output from glxinfo for my machine: $ glxinfo | grep version server glx version string: 1.4 client glx version string: 1.4 GLX version: 1.4 Max core profile version: 4.1 Max ...
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1answer
12k views

OpenGL rendering with X11 forwarding

I am trying to run an executable on a remote server, to which I connect via ssh -Y. I think the executable uses openGL The server runs Ubuntu and the local system runs OSX. ssh -Y normally opens a ...
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1answer
3k views

Buildroot OpenGL Capable Backend

I'm trying to configure QT 5 through buildroot and some options are not available with the message requires an OpenGL-capable backend. I'm using buildroot 2013.08-rc1 but the same message comes up ...
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0answers
10 views

failed to add service - already in use error

I compiled SFML library and my app on Raspbian with this tutorial https://github.com/oomek/sfml-pi. After this I moved shared objects and app to buildroot system for Raspberry Pi 4. I chosed DISPMANX ...
1
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1answer
2k views

Upgrade OpenGL from 1.2 to 2 for Nvidia GT218 [GeForce 310]

To run my application OpenGL version 2.0 or higher is required. glxinfo | grep OpenGL yields: Xlib: extension "NV-GLX" missing on display ":1007.0". OpenGL vendor string: Mesa project: www.mesa3d....
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0answers
22 views

xen and the support for spice GL

To make a long story short,I tried to pass through my two kinect 2 devices from ubuntu 20.04 to a two qemu / kvm virtual machines,where on the first one I have also passed through my RTX 2080 ti and ...
15
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2answers
24k views

Add VIRTUAL output to Xorg

I want to create a dummy, virtual output on my Xorg server on current Intel iGPU (on Ubuntu 16.04.2 HWE, with Xorg server version 1.18.4). It is the similiar to Linux Mint 18.2, which one of the ...
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0answers
37 views

Black screen with only cursor AFTER LOGIN on braswell and cherrytrail with Linux 5.7 (i915)

I've built the current 5.7.14 kernel and am running into an issue on my Brasswel (N3150) and CherryTrail (Atom x5-Z8350) systems. The former runs an old Ubuntu 14.04.6LTS system, the latter runs ...
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1answer
91 views

What is the minimum required in order to make hardware accel works on Funtoo?

I'm trying to make hardware 3d acceleration works on Funtoo, but with minimum use flags enabled as possible. Now I'm testing Funtoo on a RX Vega 54, but I have other computers with others vendors' ...
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47 views

GLException: Profile GL4bc is not available on X11GraphicsDevice

Recent update to LM 20 (Mate) (based on Ubuntu 20.04). A java application I use has begun to get borked - window is tearing and ghosting, menus only becoming visible if I mouse over them, etc. ...
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211 views

Failed to start with picom vsync_opengl_swc_init error

When I start picom, which is picom command in my terminal, I got [ 07/30/2020 13:48:19.422 vsync_opengl_swc_init ERROR ] Failed to load a swap control extension. [ 07/30/2020 13:48:19.422 session_init ...
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0answers
188 views

libGL error: No matching fbConfigs or visuals found

I have some host named A and some computers named B. I try to run glxgears on host A via ssh: ssh user@A -Y glxgears and I get error: libGL error: No matching fbConfigs or visuals found libGL error: ...
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0answers
79 views

Very slow display and glxinfo error on Centos 8 + Wayland

I'm using CentOS 8.2.2004 and dual monitors with AMD Radeon RX570 and Intel onboard graphics. (AMD graphic driver is amdgpu-pro-20.20-1089974-rhel-8.2.) My PC worked on Xserver a few weeks ago, but ...
0
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1answer
1k views

The program name.exe has encountered a serious problem

I installed Wine on newly installed Linux Mint 19 Bionic edition, and also PlayOnLinux. When I try to open a .msi type file with Wine Windows program loader it says: "Program error: The program ...
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0answers
10 views

OpenGL not rendering in order of depth (Debian 10 - GE Force 320M)

I have been given an old Macbook Unibody Mid 2010, installed a fresh standard minimal debian, added Xorg and AwesomeWM and OpenSCAD. I haven't installed any particular NVidia drivers (well I did but I ...
4
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1answer
3k views

Can't run glxgears over ssh with X11 enabled

glxgears functions fine for me when I'm directly on the server side machine. However, when I am trying to run glxgears over SSH but I get the following failure messages: ssh server -Y Warning: No ...
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1answer
950 views

libGL error: No matching fbConfigs or visuals found | Glxgears error, Docker, CUDA, VirtualGL

when I run glxgears, I get following error. libGL error: No matching fbConfigs or visuals found libGL error: failed to load driver: swrast Error: couldn't get an RGB, Double-buffered visual My ...
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0answers
20 views

Running a unity3D app remotely with the output forwarded over x11

Note: this is a Unty3D app, not Unity desktop. I have a small app (no more than a rotating cube) that works fine on my ubuntu 18.04.3 machine and now I want to launch it from a windows machine via ...
2
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1answer
310 views

Running GLFW in Docker

I have a simple program written in Go that opens a blank window using GLFW. I'd like to automatically run tests, therefore I have been trying to get GLFW running in docker. So far I've already managed ...
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0answers
145 views

OpenGL via xrdp Remote Desktop

I have a CentOS 7.6 server where I login using xrdp, which works fine. However, I have one particular software where the screen stays black. I found that this is an OpenGL issue. The screen is visible ...
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0answers
20 views

Path from the user-space application to the GPU. X server vs. Direct rendering

Are these hierarchies correct for applications (or some part of) that use OpenGL directly(i.e not GLX) and for those which use XLib in linux? OpenGL: OpenGL --> libmesa --> libdrm --> ...
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0answers
169 views

Strange render anomaly during window resize

When I resize the window in any environment, sometimes I see a strange anomaly, which lasts until more resize or mouse drop. It's same in each environment and with all windows. Here it is: It's ...
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0answers
86 views

OpenGL acceleration via SSH X11 forwarding or VNC viewer?

I am trying to run a proprietary OpenGL application remotely. This application requires OpenGL acceleration and fails to run through X11 forwarding with either -X or -Y specified with the message X ...
2
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0answers
27 views

Applications with 3d accelerated guis?

Basically all games have this, since a game just creates a window and draws to it with opengl. The gui runs at the same fps as the game, usually 60 fps or more. I'm wondering if gui libraries like ...
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0answers
304 views

Centos 7 Weird freezing bug, having trouble getting access to logs after forced restart?

My Centos 7 system appears to not like going into debug mode in an OpenGL application (through gdb in clion), and decides to freeze with zero way out except hard rebooting (no response to keyboard ...
4
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1answer
2k views

AMD Radeon RX 5700 XT

I have bought new PC with AMD Ryzen 7 3800X and Radeon RX 5700 XT. Can only install from UEFI USB stick otherwise installation after first dialog (the one where you select Install or Graphical ...
26
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2answers
31k views

What does LIBGL_ALWAYS_INDIRECT=1 actually do?

KDE SC 4.5.0 has some problems with some video cards including mine. Upon Release Arch recommended several workarounds. One of which was export "LIBGL_ALWAYS_INDIRECT=1" before starting KDE I ...
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0answers
317 views

How to configure X Server to assign separate indipendent display on a multi-GPU workstation

I'm working on a Ubuntu 18.04 (headless) workstation that features two GPUs: an integrated one and a NVIDIA TitanX. 03:00.0 VGA compatible controller: Matrox Electronics Systems Ltd. Integrated ...
4
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1answer
23k views

How to disable Hardware Acceleration in Linux?

How can I turn off Hardware Acceleration in Linux, also known as Direct Rendering. I wish to turn this off, as it messes with some applications like OBS Studio which can't handle capturing of hardware ...
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0answers
372 views

Qemu/KVM with hardware OpenGL rendering

I've seen that support for hardware accelerated rendering is getting mature in Qemu now but I'm confused about the best way to set it up, or if it's worth it compared to VMWare's 3D support. For ...
15
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1answer
31k views

X11 forwarding an OpenGL application from a machine running an NVIDIA card to a machine with an AMD card

I'm interested in forwarding an X11 session over SSH, in order to launch a remote process that utilizes OpenGL (specifically, gazebo for anyone familiar.) The problem that I seem to be running into ...
2
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3answers
2k views

NixOS: OpenGL drivers missing

I made a clean installation of NixOS without X11. Then I ran nix-env -i wayland nix-env -i sway nix-env -i glu nix-env -i mesa-noglu reboot sway Yet I receive follwing error gbm: failed to open ...
1
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1answer
121 views

Unable to use OpenGL ARB_gpu_shader_int64 extension with Mesa

I am working on OpenGL shaders, and I need uint64_t types, etc... However, when I do glxinfo, this extension is not in the list. I am using Mesa 18.0.5, and this page tells that the extension is ...
2
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0answers
397 views

Wine fails with DirectX on Pinguy

I am trying to use Wine to play a 3d game on Linux that will run as long as the base system has the correct Direct X rendering. I have tried the Wine configurations and come up with: http:/(s19....
0
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1answer
297 views

not able to compile OpenGL code

I'm running Linux Mint 19.1 on my laptop and facing this problem. When I try to compile C++ program with OpenGL libraries it says: $ make g++ solsys.cpp -lglut -lGLEW -lGL -lGLU -fpermissive -o ...
0
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1answer
722 views

X11 over SSH OpenGL not working

I have an Odroid XU4 arm Linux PC(Ubuntu mate 18.04) with glxgears and I have a Ubuntu 18.10 pc. I want to run glxgears on my odroid arm pc, but have the OpenGL commands send to mu Ubuntu 18.10 pc(so ...
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0answers
77 views

Running hardware accelerated OpenGL context without X server?

Is it currently possible (with the use of existing software and drivers) to run accelerated OpenGL context and output to monitor on Linux without having X installed?
3
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2answers
4k views

Error: GLX is not available on the system

After rebooting my Ubuntu 14.04 machine, I could not log into Unity again and I had to fall back on Gnome. I discovered that there is something wrong with GLX since when I run: /usr/lib/nux/...
15
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3answers
13k views

GLX extension not working properly with xvfb

I have an Ubuntu 14.04 system with the following packages installed: libegl1-mesa:amd64 libegl1-mesa-drivers:amd64 libgl1-mesa-dri:amd64 libgl1-mesa-dri:i386 libgl1-mesa-glx:amd64 libgl1-mesa-glx:...
1
vote
1answer
139 views

Why FOSS 3d performs so badly, compared to proprietary

I just read a Phoronix article, which compared the FOSS radeon drivers a 5 years old FGLRX catalyst. As you would expect FGLRX was multiple times faster, even the feature set was not completely ...
4
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0answers
2k views

Installing Mali Drivers? (ArchLinuxARM)

I've recently gotten hold of an ARM-based Chromebook C100P. After successfully installing ArchLinuxARM, I've struggled to enable the Mali-T764 GPU. The recommended drivers for the device, (xf86-video-...
3
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3answers
3k 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 ...
4
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1answer
566 views

How can I tell if a memory leak is in user space or kernel space?

I have a large multi-threaded open source application which uses proprietary OpenGL libraries, Wayland Weston, and a proprietary graphics driver in the Linux kernel. The drivers are currently under ...
1
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1answer
473 views

Problems displaying 3D content with Nvidia graphics card in Ubuntu 18.04

I recently got a new laptop (Thinkpad T480) which has Intel integrated "UHD Graphics 620" and an Nvidia MX150, and I installed Ubuntu 18.04. I installed the nvidia driver alright, and I believe I am ...
2
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1answer
1k views

Cannot get glx to work after changing from Nvidia to Nouveau drivers FC24

I run FC 24 (just upgraded from FC 23). After the upgrade there were some issues with the X server, and so I decided to change from Nvidia proprietary drivers to Nouveau. Everything seems OK, except ...
0
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1answer
344 views

Running OpenGL app without desktop

Is it possible to run an opengl application like glxgears from the command line without starting a desktop environment? It should directly go to exclusive full screen mode.
0
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1answer
2k views

Using Mesa v18.0.5, but only getting OpenGL v3.0

I am trying to develop C/C++ applications using OpenGL. Unfortunately, I have been unable to access any functionality past OpenGL 3.0. I have Mesa version 18.0.5, Linux Mint 18 64-bit, the 4.18.1 ...
1
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1answer
39 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 / ...
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1answer
2k 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 ...