J'ai aussi installé tes paquets mesa sur ma F21, qui utilise les drivers nvidia.
Du point de vu performance il y a une petite amélioration :
Sans tes paquets :
[dominique@host-192-168-1-2 ~]$ glxspheres64
Polygons in scene: 62464
Visual ID of window: 0x27
Context is Direct
OpenGL Renderer: GeForce GT 525M/PCIe/SSE2
416.888977 frames/sec - 451.290655 Mpixels/sec
438.875323 frames/sec - 475.091315 Mpixels/sec
439.270065 frames/sec - 475.518631 Mpixels/sec
420.545345 frames/sec - 455.248746 Mpixels/sec
438.414498 frames/sec - 474.592462 Mpixels/sec
438.988825 frames/sec - 475.214183 Mpixels/sec
414.880659 frames/sec - 449.116611 Mpixels/sec
437.994935 frames/sec - 474.138277 Mpixels/sec
439.598584 frames/sec - 475.874259 Mpixels/sec
438.730390 frames/sec - 474.934421 Mpixels/sec
418.410568 frames/sec - 452.937808 Mpixels/sec
439.358952 frames/sec - 475.614853 Mpixels/sec
435.995062 frames/sec - 471.973375 Mpixels/sec
406.938343 frames/sec - 440.518895 Mpixels/sec
^C
avec tes paquets :
[dominique@host-192-168-1-2 ~]$ glxspheres64
Polygons in scene: 62464
Visual ID of window: 0x27
Context is Direct
OpenGL Renderer: GeForce GT 525M/PCIe/SSE2
486.201507 frames/sec - 526.322856 Mpixels/sec
471.509701 frames/sec - 510.418682 Mpixels/sec
450.752717 frames/sec - 487.948831 Mpixels/sec
458.251989 frames/sec - 496.066944 Mpixels/sec
439.574920 frames/sec - 475.848642 Mpixels/sec
465.497225 frames/sec - 503.910056 Mpixels/sec
478.087375 frames/sec - 517.539145 Mpixels/sec
478.601480 frames/sec - 518.095674 Mpixels/sec
445.405754 frames/sec - 482.160637 Mpixels/sec
446.365536 frames/sec - 483.199620 Mpixels/sec
448.316582 frames/sec - 485.311666 Mpixels/sec
^C
[dominique@host-192-168-1-2 ~]$
avec tes paquets on est entre 475 et 525 Mpixels/sec, sans tes paquet entre 440 et 475 Mpixels/sec