I have recently replaced my graphics card and installed Fedora 20 over Antergos. When trying to launch a game in the new configuration (the steam
package was installed from rpm-fusion-nonfree
if that is of any relevance), Portal 1 shows an error on startup, following the 'Preparing to Launch' box:
Could not find required OpenGL entry point 'glColorMaskIndexedEXT' Either your video card is unsupported, or your OpenGL driver needs to be updated
I then searched the forum for solutions and attempted the solution presented here
and the message stopped showing on startup. However Portal still does not start.
I then tried to launch Super Meat Boy which showed a fraction of the intro cutscene and subsequently terminated.
Now all of my games show the 'Preparing to launch' box and do nothing afterwards. I am using the nouveau
driver for this because it worked in Antergos and the proprietary driver has had severe issues with memory corruption in the past, I did try it in Fedora with the new setup and I ended up having to reinstall it because X just would not start.
The old graphics card was an NVIDIA GeForce 8500 GT
and the new one is an NVIDIA Quadro NVS 285
Thanks in advance for any help