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10
votes
2answers
7k 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 ...
9
votes
1answer
871 views

Segmentation fault when trying to run glxgears via virtualGL

(Follow-up on How to efficiently use 3D via a remote connection?) I installed the amd64 package on the server and the i386 one on the client. Following the user's guide I run this on the client: ...
8
votes
2answers
2k views

How to efficiently use 3D via a remote connection?

I have one weak PC (client) but with acceptable 3D performance, and one strong PC (server) which should be capable of running an application using OpenGL twice, i.e. once locally and once remotely for ...
8
votes
4answers
617 views

How could running strace be fixing my OpenGL issue?

Since a recent major upgrade to my distribution (PLD Linux), I have been having trouble with a whole slew of programs. As best I can tell, anything that touches OpenGL or PulseAudio segfaults. I'm ...
6
votes
1answer
7k 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 ...
5
votes
1answer
1k 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 ...
4
votes
1answer
307 views

Linux 3D graphic libraries

What libraries can be used for 3D graphics on Linux? Are there big differences for 3D graphics programming between Linux and Windows? I found about DirectX and OpenGl by searching, but I'm not sure ...
4
votes
3answers
8k views

How to enable OpenGL rendering on Fedora 18 with an Intel Corporation 82852/855GM? [closed]

On an older laptop that runs Fedora 18, and has a Intel Corporation 82852/855GM Integrated Graphics Device, I cannot get OpenGL to run on it. In fact, I have no 3D acceleration whatsoever. I have ...
3
votes
2answers
10k 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, ...
3
votes
3answers
5k views

Using software OpenGL rendering with X

I want to try the most basic OpenGL driver, in order to find out what's the problem of my X server with OpenGL. I want then to have X use software rendering for OpenGL, like windows do with ...
3
votes
1answer
571 views

How do I tell if a Wine application uses hardware or software rendering?

I'm building an appliance/kiosk-type machine which is going to run a single fullscreen Wine application (Synthesia). I'm using Arch Linux running LXDE on an original 7-inch EeePC (well, souped up to ...
3
votes
1answer
397 views

What happened to the GLP OpenGL extension?

I need to do headless hardware accelerated server rendering using OpenGL and found out that this is possible with pbuffers and frame buffer objects (FBO). But today these approaches still need a ...
3
votes
1answer
164 views

X stuck when using OpenGL

On a stock Dell, RHEL 5.3, my X gets stuck when running any OpenGL program for more than a few seconds. After a few seconds, the screen freezes, and after another few seconds sometimes the screen ...
3
votes
1answer
1k views

Upgrading OpenGL Drivers

I'm trying to learn OpenGL and most tutorials on the internet only offer guidelines for OpenGL 3.0 and higher. So I looked for my OpenGL version and glxinfo | grep OpenGL yields this: OpenGL ...
3
votes
0answers
176 views

What steps are involved in porting an Xorg OpenGL app to DirectFB?

I'm looking for a birds-eye view on porting a small app1 that uses some OpenGL functions from it's home on Xorg to run in a more stand-alone fashion using DirectFB. I am unfamiliar with both C and ...
2
votes
1answer
49 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
1answer
48 views

optirun and ssh -X

I would like to run a remote OpenGL program through ssh tunneled with the -X option. My laptop has Optimus so anything using OpenGL has to go through optirun (bumblebee). This would explain why I ...
2
votes
2answers
2k views

How to get Evolution to run in VNC on Debian/Wheezy?

For many years I've been in the habit of, when away from home, VNC-ing (over ssh) back into my "home machine" and running Evolution (for email, contacts etc) in a tightvncserver environment there. ...
2
votes
1answer
428 views

Where to start to learn OpenGL [closed]

As OpenGL evolves, it seems that there are three camps: OpenGL legacy, packed with "deprecated APIs" OpenGL ES, for embedded systems OpenGL "new stuff" which comes out every couple of months. If I ...
2
votes
0answers
292 views

Why does `xvfb-run glxgears` fail with an swrast error?

xvfb is supposed to let me run X programs in a headless environment. But when I run xvfb-run glxgears, I get: libGL error: failed to load driver: swrast libGL error: Try again with ...
2
votes
0answers
310 views

OpenGL acceleration stopped working after upgrading to Wheezy

After upgrading recently from Squeeze to Wheezy, my 3D acceleration suddenly stopped working. I'm using IBM Thinkpad T60 with ATI M52 [Mobility Radeon X1300]. I found in Xorg.0.log: [ 48286.173] ...
2
votes
0answers
321 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: ...
1
vote
1answer
117 views

How to get the size of GPU memory available for OpenCL?

How is it possible to get the size of the memory on a GPU, which is available for programs with use OpenCL for computations, such as darktable? I know of lspci which gives some general informations, ...
1
vote
1answer
53 views

Play crawl-tiles over SSH from Windows with PuTTY

I have a headless Raspberry Pi running PiBang (swapping to Raspbian soon since PiBang is no longer supported) which I'd like to play Dungeon Crawl Stone Soup over ssh. When I try to run crawl-tiles ...
1
vote
1answer
2k views

Having nVidia OpenGL 32bit driver on a 64bit Debian system in multiarch

I'm trying to install 32 bit nVidia drivers on my 64-bit system (to get wine working with OpenGL). So I tried: root@grzes:/lib# aptitude install libgl1-nvidia-glx:i386 libxvmcnvidia1:i386 The ...
1
vote
1answer
2k views

How to enable WebGL in Chrome or Firefox?

I want to try out WebGL as I'm learning OpenGL currently and, well yeah, kind of interested in how WebGL looks like. I tried some demo sites like this or that. But unfortunately they don't work. I ...
1
vote
1answer
621 views

Slackware 14.0 upgrade OpenGL

I wanted to run a tutorial program for OpenGL in my Slackware 14.0. It compiled well, but when I try to run it, it quits with an error: error: GLSL 3.30 is not supported. Supported versions are: 1.00 ...
1
vote
1answer
719 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 ...
1
vote
1answer
118 views

Why FOSS 3d performs so badly, compared to proprietary. Trying to understand

I know this is not the best question, I'm just trying to understand what needs improvement. I just read a Phoronix article, which compared the FOSS radeon drivers a 5 years old FGLRX catalyst. As ...
1
vote
1answer
958 views

OpenGL in Fedora as a VMWare guest under Windows 7

I installed Fedora 14 (64-bit) on a Windows 7 64 bits system, as a guest in VMWare. I can't use OpenGL support, Compiz and other openGL programs do not work. I searched on Google; I found solutions if ...
1
vote
0answers
59 views

Mesa Compile results in unusable drivers?

I built mesa from git on debian wheezy following the instructions here. I had to build libdrm_intel from source as well, as the version in the repo was too old. I'm on a T500 with integrated ...
1
vote
0answers
61 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?
1
vote
0answers
190 views

GLX extension missing on display “localhost:10.0”

I have installed scilab 5.5.1 on rocks based cluster(with GPU card & nvidia driver installed), and i am able to successfully use scilab on the same . Issue arises when i need to use scilab from a ...
1
vote
0answers
52 views

Minimizing display lag. Graphics software stack? Process priority? RTOS?

I am looking to come up with a setup to minimize display lag for psycophysics and electrophysiological reaction time experiments. I'm not talking about costly graphics computations on every frame, ...
1
vote
1answer
84 views

x11grab flickers in OpenGL draw areas

I'm using ffmpeg's x11grab to do some screencasting. It works pretty well except on 3D stuff. In particular it seems like 3D draw areas flicker in and out. You can see an example of it here. The ...
1
vote
0answers
33 views

Looking for obsolete “libGLcore.so.1”

I've installed Steam on Debian using the Steam Wheezy Installer. On start up it says it's missing the 32-bit library libGLcore.so.1. Doing a package search I find it only exists in old nVidia drivers, ...
1
vote
1answer
398 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 ...
0
votes
2answers
1k views

Wine/PoL giving numerous errors in Fedora 17

I've been trying to run a handful of indy games for Windows on my laptop through Wine, but got a bunch of errors along the lines of: wine: created the configuration directory '/home/jude/.wine' ...
0
votes
1answer
1k views

How can I tell what version of OpenGL my machine supports on Arch Linux?

How can I tell what OpenGL versions are supported on my (Arch Linux) machine?
0
votes
2answers
486 views

How to execute the .exe which code by opengl in Ubuntu?

Here, I have some sample code which are tutorials for OpenGL. They are developed in Visual Stdio 2008 or 2010. Now, I want to execute the .exe through by wine. How to do that?
0
votes
2answers
466 views

Diagnosing a freezing system, or renderer

Some quick background, I am running Fedora 19 x86_64 on a Dell Latitude with a 2nd gen i7 and discrete nvidia graphics card. I have some rather obnoxious problems where the screen doesn't seem to ...
0
votes
1answer
349 views

How can bad OpenGL calls cause whole system crash?

I'm developing OpenGL game and I've copied portion of code with similar function code was partially modified for it's new function, but there was still some bugs. This code was calling OpenGL ...
0
votes
1answer
676 views

How to install video driver in Debian?

I have an old computer with an ATI Radeon 1150. I installed Debian but I don't have a driver for hardware accelerated OpenGL. What should I do?
0
votes
1answer
515 views

opengl/glx core dumps - generic intel linux drivers, RHEL6

Recently, I switched from using a dedicated ATI video card and proprietary drivers to the onboard Intel video card and default/generic Intel drivers because the ATI video card was damaged and I ...
0
votes
1answer
515 views

Installing OpenGL in fedora 14

I am trying to install OpenGL on my Fedora. But first I am confused with some concepts. I am using ATI Radeon 5470 card and I downloaded the driver from the official website. Here is the link I ...
0
votes
0answers
11 views

“Correct” way to install OpenGL(Nvidia) on Scientific Linux

I have been trying to install OpenGL on Scientific Linux 6.6 (which is RHEL based) but there has been no progress at all. I own a Lenovo Y580 which comes with a Geforce GTX 660M and an Intel ...
0
votes
0answers
88 views

SEGFAULT error 4 in libX11 on another X display caused by War Thunder

I read tons of info about performance boosting for linux gaming. One of them is to run games on a separate X server. After hours of search and tries, I ended up with something "working" for most of ...
0
votes
0answers
257 views

Games are lagging, chromium “hardware acceleration unavailable” Debian Wheezy 7

after a long time of using Ubuntu I've decided to move to Debian (#!), well, it's great but - For some reason, not like on Ubuntu, games are lagging and chromium doesn't have the hardware acceleration ...
0
votes
0answers
92 views

Confused about the purpose of MESA with proprietary nVidia drivers

Since a MESA upgrade today (10.2.5-1 -> 10.2.6-1 in Debian Sid, which is unbearable lately, keep away), I noticed 3D-dependant applications complaining about missing the software rasterizer swraster - ...
0
votes
0answers
749 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 ...