![]() quit ()įor more in depth reference, check out the Tutorials flip () # limits FPS to 60 # dt is delta time in seconds since last frame, used for framerate- # independent physics. x += 300 * dt # flip() the display to put your work on screen pygame. circle ( screen, "red", player_pos, 40 ) keys = pygame. QUIT : running = False # fill the screen with a color to wipe away anything from last frame screen. get_height () / 2 ) while running : # poll for events # pygame.QUIT event means the user clicked X to close your window for event in pygame. Clock () running = True dt = 0 player_pos = pygame. No need to set any information about the GLEW library appearing above either - see locate libGLEW.# Example file showing a circle moving on screen import pygame # pygame setup pygame.Setting this as LD_PRELOAD, however, did not fix the problem Launching locate libGL.so, I find another candidate /usr/lib/i386-linux-gnu/libGL.so.Although I have a Nvidia graphics card, I did not need to fiddle around with it.Then my solution was simply setting the environment variable LD_PRELOAD=/usr/lib/libGL.so I run 'glxgears' to check that the graphics libraries were running fine - see also man glxgears - showing this animation: The message GLEW could not be initialized: Missing GL version ( 0.833s) vtkOpenGLRenderWindow.c:748 ERR| vtkXOpenGLRenderWindow (0x5588ae6a2160): GLEW could not be initialized: Missing GL version LibGL error: failed to load driver: swrast Paraview 5.7.0 informed me that: libGL error: No matching fbConfigs or visuals found In my case the solution to this issue resided in the continuation of the error message This will get you the most up-to-date version of the driver.ĭoing this fixed my libGL error: failed to load driver: swrast error. ![]() If you already have an install script from an older NVIDIA driver, simply run the NVIDIA driver install script as oulined above, but with the "-update" option: $ sudo. After the driver is installed, restart your machine: $ sudo reboot I always accept registering DKMS and the 32-bit compatibility libraries. Don't worry if the pre-install script fails. Navigate to the install script and run it, and follow the prompts. If using lightdm, $ sudo service lightdm stop Next, switch to tty ( ctrl+ alt+ F1) and turn off your login manager: If you don't have the NVIDIA driver yet, download the driver from NVIDIA's website. To provide an alternative to Adrian's answer: if you prefer to use proprietary drivers sourced directly from NVIDIA instead of those found in a PPA, installing (or in my case, re-installing) the latest proprietary driver can help eliminate the swrast error. To solve this problem manually fix the symbolic links (fix /usr/local/lib/libGL.so.1.2.0 first). In summary: installing (proprietary) graphics drivers can break the symbolic links used for OpenGL libs. In my case I have the Nvidia 3.40 driver so I ran: ln -s /usr/lib/nvidia-340/libGL.so.1 /usr/local/lib/libGL.so.1.2.0īut you'll want to point it at the OpenGL lib that is appropriate for you (listed in the first find command). So the solution (in this case) is to make sure that /usr/local/lib/libGL.so.1.2.0 is a symbolic link pointing at the right OpenGL library. It may well be some other version on your machine now). Furthermore the lib it will be trying to load will almost certainly be /usr/local/lib/libGL.so.1.2.0 (Edit: This was the standard OpenGL library on my machine at the time I answered this. With LIBGL_DEBUG it should tell you what OpenGL library it's trying to load. Hopefully that will fail in the same way as SFML. You can verify this using the standard OpenGL test program: LIBGL_DEBUG=verbose glxgears To work out what library the OpenGL programs are trying to run you can turn on a bit of verbosity and run a simple OpenGL program. ![]() ![]() libGL.so.1.2.0 was the current gl version it may be something else now). (Specifically /usr/local/lib/libGL.so.1.2.0 is likely to be either the wrong lib or a sym link to the wrong link) (N.B. ![]() Now the probable cause of your problem is that installing graphics drivers sometimes break these symbolic links. To see these run this from the shell: find /usr -iname "*libGL.so*" -exec ls -l - + There are a bunch of libGL libraries installed and a bunch of of symbolic links to those libraries. That means it's not finding the hardware driver for your graphics card. The swrast thing is the software renderer. ![]()
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