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I never had lag problems with Android Studio (AS) until last year, when I began to experience GUI lag problems: menus take around 2 seconds to open (freezing AS during that time). Also when hovering ...
Luis A. Florit's user avatar
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2 votes
1 answer
850 views

I am testing whether OSMesa functions properly, but I encountered the following error. How can this error be resolved? The full error message: ----------------------------------------------------------...
Zhiwei Fang's user avatar
  • 33
2 votes
1 answer
234 views

I'm trying to use my XCB implementation with OpenGL but I encountered an error. The problem is in the code below: #include <dlfcn.h> #include <iostream> #include <xcb/xcb.h> #...
delta64's user avatar
  • 23
0 votes
0 answers
106 views

glxChooseFBConfig returns GLXFBConfig* and GLXFBConfig is defined this way: typedef struct __GLXFBConfigRec *GLXFBConfig; Here is an example function which uses glxChooseFBConfig and frees memory: ...
Irbis's user avatar
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0 votes
1 answer
212 views

I am using GLX pbuffer surface to render OpenGL applications in Linux. Here is a sample: GLOffscreenBuffer::GLOffscreenBuffer(unsigned width, unsigned height) : m_width(width) , m_height(...
Chen Chen's user avatar
  • 37
2 votes
1 answer
1k views

I am try to render GLX appliations in a Linux headless system(such as Linux server version), with no display and no desktop. However, when I run a GLX sample, I got the following errors: XOpenDisplay ...
Chen Chen's user avatar
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0 votes
0 answers
46 views

I'm going to develop a wrapper of OpenGL library in linux, libGL.so.1, installed from NVIDIA driver. I found there are about 3000 symbols which OpenGL library exports: $ nm -D /usr/lib/x86_64-linux-...
Chen Chen's user avatar
  • 37
1 vote
0 answers
82 views

I want to compare how apps are creating their GLX contexts. I can easily check window info using xwininfo - this gives me e.g visual info, but nothing about OpenGL contexts.
sppmacd's user avatar
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10 votes
0 answers
8k views

I am using the remote desktop software X2Go to use an Ubuntu 20.04 linux workstation from remote. I am tunneling from an Ubuntu 20.04 laptop. Initially, everything seems to work fine. When I start ...
MrLukas's user avatar
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0 votes
1 answer
122 views

I have no idea what it going on. I spent around 3 hours trying to fix it, but no luck. My code is: ` temp->wA.border_pixel = BlackPixel(temp->d, temp->sID); temp->wA....
Gu-Goomba's user avatar
  • 21
0 votes
1 answer
642 views

I can trivially get visuals, visual IDs, etc. when generating an OpenGL context using xlib, but OpenXR requires a GLXFBConfig in order to work. But I can't figure out how to get the GLXFBConfig for ...
Charles Lohr's user avatar
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1 vote
0 answers
1k views

win10 + wsl1 (ubuntu18.04) I want to install opengl, here are my steps: sudo apt-get install build-essential libgl1-mesa-dev libglu1-mesa-dev libglu1-mesa-dev sudo apt-get install libglew-dev ...
lww's user avatar
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1 vote
0 answers
68 views

The connection to the X server is done with Unix sockets. I can confirm that the server has GLX extension with the following code: const char *str_extension = "GLX"; /* X protocol requires ...
jorge is not ai's user avatar
  • 1,057
1 vote
0 answers
397 views

I am very new to ROS simulations. So I need to run the existing project with Docker on Mac. I get the following error from glxgears: ~/catkin_ws$ LIBGL_DEBUG=verbose glxgears libGL: MESA-LOADER: ...
coderxx's user avatar
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0 votes
2 answers
1k views

$ glxinfo32 name of display: :0 Error: couldn't find RGB GLX visual or fbconfig I found this from steam "glxChooseVisual failed". $ steam ... glXChooseVisual failed glXChooseVisual ...
ForkΨKillet's user avatar
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0 votes
1 answer
1k views

I work on Ubuntu 18.04. I don't define GL_GLEXT_PROTOTYPES. I load "core" OpenGL functions using glXGetProcAddress. My application links to /usr/lib/x86_64-linux-gnu/libGL.so. Some legacy ...
Irbis's user avatar
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3 votes
0 answers
363 views

I've successfully got some triangles to show up on screen together with some textures and a couple of event listeners. However, my texture is not rendering properly, it seems like pixels between 0 and ...
Snakehater's user avatar
  • 144
2 votes
1 answer
902 views

I have read and pieced multiple projects together in order to create an x11 window with open gl working, with the preinstalled GL/gl.h and GL/glx.h. The problem I get is that the triangles I want to ...
Snakehater's user avatar
  • 144
1 vote
0 answers
321 views

I would like to use OpenGL with EGL context for offscreen rending into memory. I managed to get a running code without errors reported by OGL or EGL, but when I try to read the pixels with ...
Miloslav Číž's user avatar
  • 617
6 votes
1 answer
3k views

I would like to use OpenGL (version 1.5) to render images to memory, without displaying them on screen (I can e.g. just save them as image files or render them as ASCII in terminal). I do not want any ...
Miloslav Číž's user avatar
  • 617
0 votes
1 answer
315 views

An open GL error I get seems to be linked to the MAX_VERTEX_UNIFORM_COMPONENTS_ARB. (as suggested in the answer here What determines this constant (graphic hardware, graphic driver, openGL version ?), ...
sayanel's user avatar
  • 448
1 vote
0 answers
102 views

When I try to run Rstudio Desktop (1.4) on my virtual machine (Ubuntu 16.4), Rstudio crashes and gives the error: ERROR:gl_surface_glx_gt.cpp(141) GLX 1.3 or later is required. I tried to follow the ...
Ursulka Siete's user avatar
  • 163
-1 votes
1 answer
492 views

I am targeting GL Core Profile on Linux. When I directly use the system GL headers like so: #include <GL/glcorearb.h> ...then everything works as expected, and I can use GL extensions too, e.g. ...
Bram's user avatar
  • 8,463
0 votes
1 answer
2k views

I have the following question: for the purpose of visualisation of some point clouds with GLFW library and Open3D, I would like to upgrade GLX to version 1.3 on Ubuntu 18.04. Having done some research ...
el_lobo_andaluz's user avatar
  • 3
7 votes
1 answer
23k views

I am trying to run an OpenGL code on WSL2 but am getting the following error on trying to run the executable: GLFW error 65543: GLX: Failed to create context: GLXBadFBConfig Unable to create GLFW ...
Daksh Rawat's user avatar
  • 351
4 votes
2 answers
2k views

I'm developing an application that can use any OpenGL version from 4.6 down to 2.0 by gradually disabling some features and optimizations. This means that it can live with 2.0 but prefers the latest ...
devoln's user avatar
  • 416
1 vote
1 answer
1k views

I am having trouble hosting my JavaFX GUI application on a docker container. My JavaFX GUI application is in a single executable jar file: start.jar This is my dockerfile: FROM openjdk:11-jre-slim ...
AJ Goudel's user avatar
  • 359
2 votes
0 answers
575 views

I'm using XLaunch Windows X server on my Win10 box to reach the Ubuntu 18 box with ssh -Y. The computer is remote and inaccessible. No keyboard and screen attached. lshw dump below. Does the video ...
MAXdB's user avatar
  • 125
1 vote
1 answer
2k views

I want to create a OpenGL context using GLX with "core" profile. For comparison's sake, QOpenGLContext can be created with QGLFormat::CoreProfile. I have found these instructions: Creating a ...
spraff's user avatar
  • 33.7k
1 vote
1 answer
10k views

I used glXCreateContext to create the contexts, but the function is deprecated and always results in an OpenGL Version 3.0, where I would need at least 4. Now, if I have understood it right, ...
Uthos's user avatar
  • 11
0 votes
1 answer
204 views

I have a script in which I build a mlagents_envs.environments.UnityEnvironment that successfully launches and works when I run the script from terminal sessions started on my ubuntu machine (that has ...
saetch_g's user avatar
  • 1,505
2 votes
1 answer
175 views

The following code (a bare minimal example) produces a triangle on top of a plain color screen. The triangle and the screen colors have alpha values of 1.0, but still when the program is run with ...
Pablo Yaggi's user avatar
  • 1,491
0 votes
0 answers
858 views

Here is my glxinfo showing: OpenGL vendor string: VMware, Inc. OpenGL renderer string: llvmpipe (LLVM 10.0.1, 256 bits) OpenGL core profile version string: 3.3 (Core Profile) Mesa 20.1.7 OpenGL core ...
Obsessive's user avatar
  • 69
5 votes
1 answer
898 views

I'm trying to compile camera_calibration on OSX 10.11 and after a few hurdles with a few X11 related dependencies I find myself still stuck with a few linking errors: Undefined symbols for ...
George Profenza's user avatar
  • 51.9k
2 votes
1 answer
5k views

I have some code which includes the headers GL/glx.h , GL/gl.h and GL/glu.h . I do not even know what these are, and Google is not a lot of help because there is so much noise in the search results. ...
Peter B's user avatar
  • 493
4 votes
1 answer
8k views

Covid has me working remotely, and I'm pretty stuck here. I've had no problem using X11 forwarding for UIs and even for 3D OpenSceneGraph visualizations, but a new application I need to run gives the ...
Alex Kyriazis's user avatar
  • 331
5 votes
0 answers
3k views

I am trying to containerize a QT-based GUI application (specifically, ITK-SNAP) with X11 forwarding. When I build an image (let's call it itk-snap:3.8) with the following Dockerfile # 16.04 because ...
Tim's user avatar
  • 2,163
0 votes
1 answer
428 views

I am in an environment where computer use is ristricted. So I rented a computer on the internet(Like Aamazon EC2) to bypass restriction, develop software. I tried Install Ubuntu 18.04 LTS 64bit ...
user avatar
4 votes
1 answer
603 views

As per subject I have the following pseudo-code to setup window capture in X (Linux): xdisplay = XOpenDisplay(NULL); win_capture = ...find the window to capture... XCompositeRedirectWindow(xdisplay, ...
Emanuele's user avatar
  • 1,527
1 vote
1 answer
1k views

I'm looking through all sorts of example codes for OpenGL context creation with GLX and I'm confused about the two types of window objects: Window used by Xlib and GLXWindow used by GLX, because in ...
SasQ's user avatar
  • 14.9k
0 votes
1 answer
74 views

I'm struggling to handle the case where upon XMapWindow with glX, the buffer is undefined and as such the glx buffer will show undefined data before the first glXSwapBuffers is drawn. I vaguely ...
ThorSummoner's user avatar
  • 18.6k
1 vote
1 answer
710 views

For OpenGL with Xlib, in order to create a window, we can get the appropriate XVisualInfo from GLX and pass it to XCreateWindow. However, if I want to use Vulkan with Xlib, how do I get the proper ...
marked-off-topic's user avatar
  • 162
1 vote
1 answer
2k views

For a few years now, indirect GLX (IGLX) has been disabled by default in xorg and other X Servers. I'm writing an application that will use OpenGL if available, but can fall back to other graphics if ...
user2554330's user avatar
  • 47.1k
1 vote
1 answer
1k views

Background I'm stuck at opening spyder on a remote Linux server which I access via x2Go from windows 10 via a secured connection from my university .I'm not familiar with Linux but my colleague set ...
BiancaD's user avatar
  • 11
0 votes
0 answers
234 views

I try to make multi-window app for linux. I tried to make like in code below, but in windows it's show only black screen. What could it be? struct argList{ Display *dpy; ...
Александр Ракутин's user avatar
  • 1
0 votes
2 answers
3k views

I'm trying to compile skia to compile aseprite on Ubuntu 19.10, I keep getting the error c++ -MMD -MF obj/src/gpu/gl/glx/gpu.GrGLMakeNativeInterface_glx.o.d -DNDEBUG -DSK_SAMPLES_FOR_X -...
Noah Burck's user avatar
  • 1
0 votes
0 answers
2k views

Since my last system upgrade on Gentoo, I'm not able to run some code of mine: window_management.c which was working without any warnings nor errors before the upgrade. #include <stdio.h> #...
Denis's user avatar
  • 21
1 vote
0 answers
325 views

I have the following call to glXGetFBConfigs: const GLXFBConfig * fbuf_configs = glXGetFBConfigs ( display, screen_id, &fbuf_config_count ) Upon inspecting it with valgrind, it produces 137 ...
Ashley Dixon's user avatar
  • 13
6 votes
0 answers
1k views

I tried to make the question as reproducible as possible. So here is the docker commands: docker run --name headless_test -ti python:3.6-jessie /bin/bash And inside the docker execute the following ...
user972014's user avatar
  • 3,936
0 votes
1 answer
595 views

I want create opengl application for desktop, but icons and wallpaper are break down. Window should be under icons: code for create window: XSetWindowAttributes swa; swa.background_pixmap = ...
Michael Skorokhodov's user avatar
  • 3

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