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1 vote
1 answer
39 views

On my machine, I get the following output from glxinfo -v (only relevant items shown): Visual ID: 22 depth=24 class=DirectColor, type=(none) bufferSize=24 level=0 renderType=rgba doubleBuffer=1 ...
2 votes
1 answer
470 views

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 ...
2 votes
1 answer
869 views

I am testing whether OSMesa functions properly, but I encountered the following error. How can this error be resolved? The full error message: ----------------------------------------------------------...
2 votes
1 answer
238 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
109 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
  • 1,601
0 votes
1 answer
215 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(...
2 votes
1 answer
2k 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 ...
0 votes
0 answers
47 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
1 vote
0 answers
83 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
  • 45
10 votes
0 answers
9k 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 ...
0 votes
1 answer
123 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
0 votes
1 answer
653 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
  • 1,028
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 ...
1 vote
0 answers
72 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 ...
1 vote
0 answers
408 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: ...

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