On Thu, Aug 20, 2009 at 4:45 PM, Brice Goglin<brice.gog...@ens-lyon.org> wrote: > > Thomas E. Vaughan wrote: > > > > Package: xserver-xorg-video-intel > > Version: 2:2.8.0-2
By the way, the behavior is still the same with 2:2.8.1-1. > > When the X server first starts up, 2D performance (such as painting > > the background, dragging a window, etc.) is nice and fast on my left > > monitor (VGA) but very slow on my right monitor (TMDS-1). I have also now verified that 3D performance is initially slow, too, on the right monitor (whether it be VGA or TMDS-1) but the sluggishness of 3D when 2D is sluggish doesn't seem particularly surprising. > By the way, it looks like you're getting a 3200x1200 virtual screen. > It may be larger 3D coordinates than what your board supports IIRC. > Does it help if you reduce both monitors' resolution to 1024x768 > instead of 1600x1200 ? Yes, at 2048x768, the initial condition is fully accelerated for 2D and 3D. At 2560x1024 and 3200x1200, the initial condition is for the right monitor to be slow for 2D and 3D. After I do a VT switch via CTRL-ALT-F1 and back (ALT-F7), both 2D and 3D are fully accelerated on the right monitor, at 2560x1024 and at 3200x1200. For example, after switching to the console and back, I can maximize glxgears on either screen and get about 300 FPS at 3200x1200. Before switching, the right screen gets something abysmal on the order of 10 FPS. -- Thomas E. Vaughan There are only two kinds of people; those who accept dogma and know it, and those who accept dogma and don't know it. - G.K. Chesterton -- To UNSUBSCRIBE, email to debian-x-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org
