LinuxQuestions.org
Register a domain and help support LQ
Go Back   LinuxQuestions.org > Forums > Linux Forums > Linux - Newbie
User Name
Password
Linux - Newbie This Linux forum is for members that are new to Linux.
Just starting out and have a question? If it is not in the man pages or the how-to's this is the place!

Notices

Reply
 
Search this Thread
Old 06-07-2006, 09:13 PM   #1
Kaname
LQ Newbie
 
Registered: May 2006
Posts: 15

Rep: Reputation: 0
Simple question about FPS and glxgears


Hi.

When I run X with "vesa" generic driver, I get about 500FPS in glxgears (not so bad) but when watching a movie, it drops many frames (not good).

Now, when running X with "fglrx" ATI driver, I get about 90FPS in glxgears, but movies display smoothly.

Any idea why is happening this?

Thank you.

Last edited by Kaname; 06-07-2006 at 09:25 PM.
 
Old 06-08-2006, 12:04 AM   #2
macemoneta
Senior Member
 
Registered: Jan 2005
Location: Manalapan, NJ
Distribution: Fedora x86 and x86_64, Debian PPC and ARM, Android
Posts: 4,593
Blog Entries: 2

Rep: Reputation: 327Reputation: 327Reputation: 327Reputation: 327
I'm guessing that your ATI driver is syncing to to the vertical refresh, which is at 90Hz on your display. FPS is a meaningless measurement.
 
Old 06-09-2006, 12:46 AM   #3
Kaname
LQ Newbie
 
Registered: May 2006
Posts: 15

Original Poster
Rep: Reputation: 0
Than you for your answer.

So, what is the best way to test if your Graphic Device is working as it should?
 
Old 06-09-2006, 09:00 AM   #4
macemoneta
Senior Member
 
Registered: Jan 2005
Location: Manalapan, NJ
Distribution: Fedora x86 and x86_64, Debian PPC and ARM, Android
Posts: 4,593
Blog Entries: 2

Rep: Reputation: 327Reputation: 327Reputation: 327Reputation: 327
If you can play a 3D game with acceptable response, like Alien Arena 2006, ppracer, GL-117, Neverball, Torcs, Prboom/FreeDoom, etc. - then your video is running accelerated 3D.
 
  


Reply

Tags
3d, games


Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is Off
HTML code is Off


Similar Threads
Thread Thread Starter Forum Replies Last Post
Glxgears ( gives me low fps ) MalachiX Linux - Newbie 6 03-31-2005 04:01 PM
low fps in glxgears tehnick Debian 12 02-23-2005 03:40 PM
8500LE getting 75 FPS on glxgears McKnight Linux - Software 0 07-02-2004 12:16 AM
GLXGears :: 128 FPS?!?! nealkochhar Linux - Newbie 4 05-31-2004 12:20 PM
low fps in glxgears? kleptophobiac Linux - Hardware 17 02-08-2004 09:51 PM


All times are GMT -5. The time now is 04:31 AM.

Main Menu
My LQ
Write for LQ
LinuxQuestions.org is looking for people interested in writing Editorials, Articles, Reviews, and more. If you'd like to contribute content, let us know.
Main Menu
Syndicate
RSS1  Latest Threads
RSS1  LQ News
Twitter: @linuxquestions
identi.ca: @linuxquestions
Facebook: linuxquestions Google+: linuxquestions
Open Source Consulting | Domain Registration