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Forums > Hardware Forum

My fps=hz on linux with OS ATI drivers (20 comments)

( Forum: HW)

Posted by rareh @ 03:26 CDT, 28 March 2013 - iMsg

On windows i can get max fps on all games with the proprietary drivers fglrx.
Does it matter getting more fps then the refresh rate or is it pointless ?
Is the calcuation of fps on windows bad since only 60fps are displayed(based on refresh rate) ?
I am not interested in buying a new monitor or graphics card, since i would rather spend a few hundreds elsewhere.

I have a 60/75hz monitor depending on resolution and a HD 4850(so i would have to install the legacy drivers and downgrade the kernel to use the proprietary driver, which is why i want to avoid using it)

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<< Comment #1 @ 03:48 CDT, 28 March 2013 >>

By

faerie_

It does matter in quake because you can't push more packets out than you render frames. So you're basically introducing lag yourself.

<< Comment #2 @ 03:57 CDT, 28 March 2013 >>

By

rareh - Reply to #1

thx for quick response,so should i set 60/75 fps cap limit on my configs depending on resolution ?

Edited by rareh at 03:57 CDT, 28 March 2013

<< Comment #3 @ 04:08 CDT, 28 March 2013 >>

By

faerie_ - Reply to #2

No you want 125 in pretty much all quakes except qw where you can get away with anything above 77.

<< Comment #4 @ 05:09 CDT, 28 March 2013 >>

By

byce

I don't see why you couldn't disable vsync. I have only installed the closed source drivers for a newer card before, so I don't have experience with the open source drivers, but surely you can disable it.

Check Xorg configs, kernel config, upgrade kernel, or try this program.

<< Comment #5 @ 10:45 CDT, 28 March 2013 >>

By

rareh - Reply to #4

I tried disabling the vsync with the tool u linked and only way i got it to work was in windowed mode and i had to force the vsync related line out of the main body box, or else it wouldn't work.
Even so, my fps sometimes seemed locked on some games it kept toggling from locked for a few seconds, then back to normal, in others it would jitter from 110-125, as such i decided to give the legacy drivers a shot.
Found this link https://launchpad.net/~makson96/+archive/fglrx
and it worked like a charm, now on some games, i even get better fps then windows :D

<< Comment #6 @ 12:01 CDT, 28 March 2013 >>

By

Anonymous (87.206.197.196)

There's no need to disable v-sync in general as you need it to watch movies etc. w/o screen tearing. With that said i hope you are using qlprism if not well you should start. So:
1. Get qlprism --> unpack it.
2. Open terminal and navigate and run the command in the qlprsim folder: vblank_mode=0 sh qlprism.sh
3. With the above you have qlprism running w/o v-sync so easy 125fps ah... on the side note if you are using KDE i suggest turning off desktop effects with alt+Lshift+f12 b4 starting to play.

<< Comment #7 @ 14:55 CDT, 28 March 2013 >>

By

!nFerNo

For some reason my fps seems to be capped at 60 lately on Linux, but I started to think my laptop was getting old in combination with Gnome 3's compositing.

Lately the nVidia drivers for Linux have been utter shit. I don't care if they are better performance-wise but I and a lot of other people are unable to select any other resolution than the native resolution. This all makes the laptop unusable to stream with.

<< Comment #12 @ 08:00 CDT, 29 March 2013 >>

By

leopold ' - Reply to #7

No, its the retards at xorg deciding that vsync is better for everyone and making it the default.

<< Comment #14 @ 10:36 CDT, 29 March 2013 >>

By

Lam | - Reply to #12

That was changed by nvidia themselves in 300 series of drivers. With good reasons, noobs prefer vsync and most people are noobs.

It was announced like a year prior to first official release from this code tree.

It's like 3 clicks to disable.

I don't see anything retarded about this change, or the way users were treated.

<< Comment #17 @ 16:31 CDT, 30 March 2013 >>

By

!nFerNo - Reply to #14

I have disabled the vsync in the drivers and I will try fau's trick, but thus far disabling vsync in nvidia-settings still renders QL at 60 fps. It might still be the age of the laptop :)

<< Comment #8 @ 17:17 CDT, 28 March 2013 >>

By

Anonymous (87.206.197.196)

Fps are capped at 60 with any DE as it is a standard for the desktops, you can run any game w/o v-sync simply by running it from terminal with vblank_mode=0 command.

For example:
urname@urpcname ~$ vblank_mode=0 0ad
which runs 0ad game with v-sync off.

<< Comment #9 @ 18:46 CDT, 28 March 2013 >>

By

!nFerNo - Reply to #8

I've never had this issue before it must be a recent change.

<< Comment #11 @ 07:46 CDT, 29 March 2013 >>

By

fau - Reply to #9

These defaults unfortunatelly change quite often. You should be able to disable vsync for quakelive only in your gfx drivers or using driconf utility (it's gui, executable's name for qlprism is "quakelive")

Edited by fau at 07:47 CDT, 29 March 2013

<< Comment #10 @ 06:59 CDT, 29 March 2013 >>

By

zealot - Reply to #8

cinnamon/gnome2/gnome3 never capped my fps to 60.

<< Comment #15 @ 10:49 CDT, 29 March 2013 >>

By

Lam | - Reply to #10

GNOME 2 without compositing never did.

Any compositing window manager makes window mode indirect and even though QL renders at 125 fps, it renders to a buffer, but you still get 60 or whatever fps on the screen.

Most compositing window managers will allow direct rendering for a full screen application.

Inferno is on Nvidia, so he's experienced the change in nvidia closed driver, explained above. Nothing more.

OP is on fglrx (ATI) and the parent clearly references that driver and its issue.

<< Comment #16 @ 10:59 CDT, 29 March 2013 >>

By

zealot - Reply to #15

i have a gtx 460 (current nvidia drivers) running fedora/cinnamon with 120hz both on desktop and in quake@125fps?

<< Comment #18 @ 16:32 CDT, 30 March 2013 >>

By

!nFerNo - Reply to #16

What Lam means is that the game will show 125 fps, but it gets buffered and output at 60 fps to your screen regardless of what QL shows you.

<< Comment #19 @ 07:02 CDT, 31 March 2013 >>

By

zealot - Reply to #18

is he saying that?

Most compositing window managers will allow direct rendering for a full screen application.

if ql runs at 60fps in fullscreen i wouldn't be able to use maxpackets 125.

<< Comment #20 @ 02:50 CDT, 2 April 2013 >>

By

Lam | - Reply to #19

Whether it runs full screen or not, renders directly or indirectly to a texture, it will always render and 125 FPS and send as many packets.

This is different to actually updating your screen at 120 Hz and one doesn't depend on another unless you use vsync.

(Of course OP's problem is the drivers defaulting to forcing vsync, what I say here is off-topic.)

<< Comment #13 @ 09:52 CDT, 29 March 2013 >>

By

Cyrax

Try to create .drirc file in your home directory with following contents:



<driconf>

<device screen="0" driver="dri2">

	<application name="Default">

		<option name="vblank_mode" value="0" />

	</application>

</device>

</driconf>

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