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Questions tagged [opengl]

OpenGL (Open Graphics Library) is a free API used in computer graphics, for development of graphicals applications, 3D environments, games, among others.

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Wrong colors when rendering on AMD Radeon

I decided to run my engine on a friend's computer, but I ran into some problems. For some reason, the wrong colors, the colors of the scene have become terribly cold. What could be the reason? ...
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1answer
38 views

What is the relationship between the graphics card driver and OpenGL on Linux?

I have the latest proprietary Nvidia driver installed, which is nvidia-415 (according to the "Driver Manager" interface). Some programs complain that I don't have OpenGL 3.3. So I ran the command to ...
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How do I update OpenGL to 3.3 or higher on Linux Mint 18.1?

I need OpenGL version 3.3 or higher to run Blender 2.8 and Meshroom properly. It looks like I have 3.0 installed. $ glxinfo | grep "OpenGL version" OpenGL version string: 3.0 Mesa 12.0.6 Is there ...
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opengl unable render when shader are changed from UYVY to RGB

I'm using opengl in linux qt for rendering video frame. I have taken UYVY opengl shader reference from this link and RGB code which I'm using in opengl is given below. Initialization. ...
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21 views

Why is my MacbookPro 2018 working on OpenGL 2.1?

I am a student in Computer Science and for classes we are working with OpenGL. My issue is that I can't run any program because of my OpenGL driver version. Graphic card : Intel(R) Iris(TM) Plus ...
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35 views

How do I fix a MESA-LOADER error while running pyqt5 on raspbian 9 stretch?

I want to ensure that pyqt5 is working properly on my raspberry pi. When I try to run a tutorial producing a simple window, the code produces the desired results but an error message is thrown. The ...
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DirectFB Surface Buffer allocation failed [migrated]

I am working on Directfb 1.7.7, I am seeing an error "Buffer allocation failed" when I try to make acceleration composition ON. Below is the print. (!) Core/SurfBuffer: Buffer allocation failed! -...
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24 views

/usr/bin/ld: cannot find -lGL

I'm on ubuntu 18.04 and when I run on the terminal: g ++ opengl_test.cpp -o firstOpenGlApp -lglut -lGLU -lGL I have this error: /usr/bin/ld: can not find -lGL if anyone could help me I thank ...
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1answer
25 views

How to get OpenGL support on VirtualBox 5.2.8?

I am trying to run a server with Roblox Studio, but I am struggling with getting getting Roblox Studio to run because it requires OpenGL 2.0, and I have OpenGL 1.1.0. Is there any fix to this problem? ...
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Normal Mapping Black Fragments Issue

I've been trying to implement Normal Mapping using OpenGL. I've implemented the most basic version of it but moved on to try and implement the REAL Normal Mapping which involves calculating Bi-...
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How to update OpenGL on QEMU/RedHat QXL

I'm using Windows 7 guest on Fedora 29 host, and QEMU/KVM. My hardware does not support VT-d, however it supports VT-x, and I found that Windows guest works best with QXL video driver. When I'm ...
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53 views

OpenGL and GLUT on Visual Studio 2017

A project I'm working on at University requires us to work in Visual Studio 2017 and use the OpenGL and Glut libraries. For reasons, i can't use freeglut. The problem is I have no idea how to get ...
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33 views

How to fix/set proportions of OpenGL window in VirtualBox

I am running a graphical application in virtual box, it has an OpenGL viewport. The problem is that the display is 'squashed', the proportions are wrong. It's something like: something doesn't ...
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1answer
128 views

Slic3r appImage fails to run with `libGL error: unable to load driver: radeonsi_dri.so`

Slic3r (and possibly other appImages that rely on OpenGL) fail with libGL error: unable to load driver: radeonsi_dri.so libGL error: driver pointer missing libGL error: failed to load driver: ...
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1answer
61 views

GLSL version doesn't match OpenGL version

I'm porting an application with OSG Earth from windows to Linux. The OS and softwares are basically the same (Qt 5.9, Linux kernel 3.18.24, Mesa 18.2.3). However, after override export ...
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3answers
61 views

Making a DLL available for all windows programs (win10 pro x64)

Due to the (not relevant for this question) restrictions of OpenGL implementation in Virtualbox (only OpenGL version 1.1 available, but I need at least version 2.0) I decided to use software ...
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glxinfo Error: couldn't get an RGB, Double-buffered visual

I want to create a pipeline rendering 3D on remote server and visualize locally via Mac XQuartz. But I am new to 3D rendering and openGL. I found VirtualGL a helpful tool to do this, but I met a bug ...
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Fiji 3D viewer requires OpenGL 1.2

When Opening the 3D viewer of Fiji, I am getting the following error: 3D [dev] 1.6.0-scijava-2-pre11-daily-experimental daily org.scijava.java3d.IllegalRenderingStateException: Java 3D ERROR : ...
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Can I run software which need direct state access

I installed rpcs3 ,an ps3 emulator and whenever i seem to run a game , it says my gpu doesn't support arb direct state access. I looked up and found out my processor doesn't support Direct State ...
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517 views

Chromium on ubuntu GLX issues

I am trying to run chromium-browser on Ubuntu Server but it starts with a lot of errors that you can see below. I have tried to installed the Nvidia drivers, update/install everything related to GLX/...
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8k views

How to fix : Install a driver providing OpenGL 2.0 or higher [closed]

First things first, I'm using Windows 7 with 32 bit. When I open a software there is an error saying Install a driver providing OpenGL 2.0 or higher, There are many software which shows the same ...
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Getting openGL / libGL kernel drivers to work on CentOS 6

I think I may have a problem with my installation of openGL. I am working on a CentOS 6.6 cluster. Using the cube.c example. E.g. qmaster02: openGL$ gcc -Wall cube.c -lglut -lGL -lGLU qmaster02:...
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Extract Top and Bottom Layer in TIFF Image with Multiple Layers

I need some of your help to extract just the Top and Bottom layer in TIFF File and remove rest of the layers from the TIFF . Can you help me with some Imagemagick/ OpenCV code?
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1k views

Matlab Hardware OpenGL Failure on Ubuntu 16.04.3 - Can not initialize shared resources

First, my system info: 4.13.0-26-generic #29~16.04.2-Ubuntu SMP Tue Jan 9 22:00:44 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux Clean installation of Matlab R2016b (64-bit) Video card: AMD/ATI Pitcairn ...
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1answer
214 views

Failure to record OpenGL window with OBS

I run OBS, switch to the window to record, and press the hotkey I've assigned to record. Then I wait 3 seconds and press the "stop recording" hotkey. During this whole time I see the desired animation ...
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2k views

Recompiled QEMU with OpenGL, but virt-manager or libvirt tells me This QEMU doesn't support spice OpenGL

I wanna to use virtio-gpu according to this blog: https://www.kraxel.org/blog/2016/09/using-virtio-gpu-with-libvirt-and-spice/ I am using Debian testing, but QEMU in offical debian source is not ...
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86 views

Dual GPU laptop, using old OpenGL lib

I run OpenGL in Ubuntu 14.04 on my laptop with a nvidia card. My laptop has a dual GPU (the nvidia one and the Intel integrated one). I install the nvidia driver through the CUDA toolkit install (as ...
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1answer
224 views

How do I know if a desktop GPU supports OpenGL ES?

I have a NVidia GTX 1050 TI desktop GPU. Its spec sheet doesn't say whether it support OpenGL ES, but my preliminary tests suggest that it does. The reason I want ES on a desktop is that I'm ...
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105 views

View OpenGL version *of* a remote machine via ssh

I have a remote machine accessible via SSH and I want to use glxinfo to check it's GL version. I already tried the following: logging in with ssh -X or ssh -Y setting DISPLAY=:0 setting DISPLAY=...
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1answer
421 views

Accessing an OpenGL GUI through X11 forwarding

I want to use Bullet Physics' pybullet python library to create and work with a GUI window. Thing is, I'm running a python interpreter through SSH from a remote server. Now, I can access most GUI ...
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1answer
4k views

Use accelerated graphics on Windows 10 Linux subsystem with Xming?

I've got Ubuntu 16.04 running in Windows 10 16251.0 as a Linux subsystem, and I've got Xming-mesa 6.9.0.31 installed. I launch Xming using Xming :0 -multiwindow -clipboard Then in my Ubuntu bash ...
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347 views

How to find which OpenGL extensions are supported by a graphic card that I want to buy

I am developing a 3D program using OpenGL/VTK library on Windows. I was surprised to found that many seemingly decent graphic cards don't support all OpenGL extensions. Example: NVIDIA GeForce GT ...
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i7 M620 CPU w/ Intel HD graphics not supporting newer versions of OpenGL?

I have a Lenovo Thinkpad for playing games etc but I have issues with certain games requiring newer versions of OpenGL. Going to the OpenGL website to download the latest version shows a list of ...
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Use both libvirt 3.4 and libvirt-glib on Ubuntu/Mint?

I need to install a recent version of libvirt-bin from the official source code repositories, and I would like to be able to use virt-manager as a frontend to create virtual machines, with OpenGL ...
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1answer
1k views

My Nvidia GeForce 940MX doesn't have OpenGL?

I'm having a problem with my graphics card's driver. It doesn't seem to have OpenGL support... If I download OpenGL Extensions Viewer, my card doesn't show up, it's just my Onboard Intel that has ...
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1answer
5k views

How to download OpenGL?

I can't run a game because it needs OpenGL. I'm not sure what site of what file I'm going to download: http://glew.sourceforge.net/ My system is Windows 10, 64 bit.
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671 views

How to enable OpenGL 2.x+ on Windows 7 guest on Virtualbox?

This question has been asked before here but with no answers, so I'm going to ask it again. How do I enable OpenGL version 2.x+ on VirtualBox? I've installed all guest additions. I'm on an Ubuntu 16....
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1answer
742 views

How to enable/download OpenGL on Geforce GTX 750 Ti

For a programming issue I need to install or enable OpenGl on my Geforce GTX 750 Ti video card on a Windows 7 x64 machine. How to know if it's installed or not, and if it's not installed, download it? ...
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1answer
2k views

Mesa OpenGL version

The output of glxinfo command is glxinfo |grep Open Vendor: Intel Open Source Technology Center (0x8086) OpenGL vendor string: Intel Open Source Technology Center OpenGL renderer string: Mesa ...
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Substance Painter 2 and GL_EXT_gpu_shader4

I am trying to run Substance Painter 2 (On OpenSUSE Tumbleweed), and it does work except for the not-so-little problem that the shaders don't compile. Obviously you would suspect some or a ...
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1answer
2k views

How to update to latest OpenGL version on Virtualbox Ubuntu Linux machine?

I'm running Ubuntu 16.10 on VirtualBox version 5.1.10 with installed latest guest additions. My host system is Ubuntu 14.04 with graphics adapter: 00:02.0 VGA compatible controller: Intel ...
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1answer
1k views

OpenGL not working on Windows

On my computer, I am currently unable to run any games that require use of the graphics card. I have done some basic troubleshooting and have traced the problem down to some sort of problem with ...
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1answer
205 views

How Shaders map to actual GPU hardware

In an attempt to better understand GPU's and GPU programming, I would like to get a better mental picture of shaders and how they are implemented on the GPU. Is there a 1 to 1 relationship between a ...
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How do I pre-deform text for correct spherical wrapping?

Imagine taking a mercator map of the Earth, then add numbers on each line of latitude and longitude. When you wrap that around a sphere the numbers will be deformed. How can I pre-deform the numbers ...
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1answer
83 views

Debian is not bootable after install Open GL Libs

I tried to install Steam, but the Open GL Libraries seems to break my system. I'm running Debian Jessie (Kernel 3.16.0.4) with Gnome on a 64-bit Laptop. My Laptop is a HP Pavilion 17, so Windows was ...
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1answer
16k views

Installing OpenGL in Linux?

I'd like to install OpenGL on my Debian live cd. I just need it to so a virtualbox windows guest can use it. It's a live cd so no changes will be saved, so the easiest way possible would be great. Any ...
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0answers
163 views

Steam GLX context is not using direct rendering

A few month ago I messed up with my mesa libs and openGL for a school project, I don't remember what I changed exactly, it had something to do with the OpenGL version I think, but now I realise that I ...
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1answer
650 views

Red and Green color channels are swapped in ffmpeg rendered video

I'm using code similiar to this to pipe OpenGL image data directly to ffmpeg. I'm using this readpixels call: qglReadPixels( 0, 0, glConfig.vidWidth, glConfig.vidHeight, GL_RGB, GL_UNSIGNED_BYTE, 0 )...
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1answer
397 views

GeForce 210 support for OpenGL 4.x on Linux

The GeForce 210 card has hardware OpenGL 3.x capable. Is it possible to make that the card supports OpenGL 4.1 at least? Maybe with some software library? PS. The computer has installed Kubuntu 15.10
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Certain games running extremely slowly when my other monitor is turned off

I'm running a laptop (MacBook Pro 2010, nVidia 330m, Boot Camped to Windows 10) hooked up to an external display (actually a Vizio M220MV television) via HDMI. Lately, I've noticed a bizarre problem ...