Does games need NVIDIA G-SYNC support for it to work ??

chaparral · 23 Oct 2013 at 06:27

After reading this it sounds like only games that have support for NVIDIA G-SYNC will work with it...

With a NVIDIA G-SYNC monitor, screen tearing, input lag, and even most eyestrain-inducing stutter are simply gone. All it takes is a NVIDIA GeForce GTX 650 Ti Boost or better GPU, and a NVIDIA G-SYNC enabled monitor – age old frustrations will be eliminated,
and games such as Assassin’s Creed IV Black Flag, Batman: Arkham City, Call of Duty: Ghosts, and Watch Dogs will be enhanced with NVIDIA-exclusive features, resulting in the definitive experience.

http://www.geforce.co.uk/whats-new/...evolutionary-ultra-smooth-stutter-free-gaming

Or does NVidia G-SYNC meant to work with all games ? :confused:

humbug · 23 Oct 2013 at 07:00

chaparral said:
After reading this it sounds like only games that have support for NVIDIA G-SYNC will work with it...

Or does NVidia G-SYNC meant to work with all games ?

Not all games will work with it, apparently games that don't with simply have it disabled.

LtMatt · 23 Oct 2013 at 07:43

humbug said:
Not all games will work with it, apparently games that don't with simply have it disabled.

This.

straxusii · 23 Oct 2013 at 07:45

I'm very surprised by that, surely this works at the driver level with the drivers monitoring the framerate and sending the right signal to the monitor?

LtMatt · 23 Oct 2013 at 07:51

straxusii · 23 Oct 2013 at 08:05

So I guess it doesn't need support from the game as such but some games can mess it up

VincentHanna · 23 Oct 2013 at 08:42

Maybe certain games have a level of controller latency pre-built in to them? I know they do this on a lot of console titles for instance.

Gregster · 23 Oct 2013 at 08:53

I am very interested in what games don't work. Hopefully like Frosty pointed out, it could be like 3D vision and the odd obscure game not working.

Arthur Hucksake · 23 Oct 2013 at 12:50

I'm guessing games that have their frame rates capped at 30 or something silly will struggle. LA Noire comes to mind.

Suarez7 · 23 Oct 2013 at 12:53

It requires no support from the game devs, but nvidia will disable gsync at driver level for titles that don't see the benefits or work well with it, how many titles that may be is unknown but I can't see it being a great deal as the whole thing would be pointless.

SkeeterUK · 23 Oct 2013 at 13:11

Arthur Hucksake said:
I'm guessing games that have their frame rates capped at 30 or something silly will struggle. LA Noire comes to mind.

I play this at 60fps using widescreen fixer. Mint tool for it. Should google it for the game and get it. Dont believe the animations screw up as some might say cos they dont at least they dont for me.

About the gsync thing. It will probs be 99% of games work just some might have issue if they have a weird vsync hack for their game i reckon. Gta sa has issues forcing vsync i have noticed so that could be one title im guessing but who knows till its out and i bet someone might get ppl to list loads of games to find out which dont work as apposed to which do as that would be too many to list lol.

Sampsy · 23 Oct 2013 at 13:36

I don't think GSync explicitly needs to be coded for, at least not much anyway. The main issue I can think of is if the game tries to force the monitor to run at a set refresh rate that the Nvidia driver has trouble overriding. Maybe it would help if devs kept G-Sync in mind in the future but I don't believe it takes any real work on the developer side to get it working.

Darujhistan · 23 Oct 2013 at 13:41

Sounds about as good as Phys-x.

Rroff · 23 Oct 2013 at 13:47

VincentHanna said:
Maybe certain games have a level of controller latency pre-built in to them? I know they do this on a lot of console titles for instance.

Arthur Hucksake said:
I'm guessing games that have their frame rates capped at 30 or something silly will struggle. LA Noire comes to mind.

Yeah there will be some games with silly framerate caps or their own implementations of adapative style vsync (though thats usually possible to disable) that wouldn't work with g-sync properly. Some games (mostly older ones) will use their own lower level implementation built around vwait instead of leaving vsync upto the driver/GPU (other than asking the drivers to do it or not). I doubt many newer games do this though as performance can drop out a lot.

BubbySoup · 23 Oct 2013 at 14:29

Didn't NPC's in Skyrim (or was it Fallout) go out of sync if you messed about with the internal vsync of the game? I can't remember exactly what it was now.

Suarez7 · 23 Oct 2013 at 14:31

BubbySoup said:
Didn't NPC's in Skyrim (or was it Fallout) go out of sync if you messed about with the internal vsync of the game? I can't remember exactly what it was now.

The game didn't like 120/144hz monitors.

BubbySoup · 23 Oct 2013 at 14:35

Ah yeah, that was it. Things got a little freaky if you went over 60fps.

ubersonic · 23 Oct 2013 at 14:56

World of Warcraft tends to spaz out too if over 60 FPS.

Gregster · 23 Oct 2013 at 17:27

I love GTA IV and without putting spoilers in, I had to run the last mission with fraps on, limiting to 30fps because any higher it was impossible to complete. The game was a carbon copy of the console version, down to how it was meant to run frame wise. Rockstar didn't even bother giving an after thought on us PC gamers because they didn't even patch it.

Rant over and point is...Maybe these are the kind of games that just will not work. Lazy ass ports will need a miracle to get working and no matter what tool you use, it just ends up making it worserer.

drunkenmaster · 23 Oct 2013 at 17:37

I do think g-sync is a step forward, but I can't see it being Nvidia only. Physx is proprietary by nature, and g-sync name itself might be, but the tech behind g-sync isn't. It's not really doing things differently, just smarter. It's a screen relinquishing control of refresh rate, actually I wouldn't even go so far as that.

Ultimately currently lets say a 60hz screen and a gpu(any brand) without v-sync enabled can send every frame out the ms it's finished. Without g-sync a screen simply refreshes the earliest it can for a given hz settings, in the case of 60hz, every 16.667ms. Sometimes those frames overlap the refresh and you get tearing.

Ultimately g-sync is primarily screen side, and all it is, is the screen NOT refreshing the second it's capable of, but waiting till the screens buffer has been updated.

I'm not sure anything driver side/gpu side has to change in the slightest when you think about it. The only change is the monitor going from refreshing at set rate to refreshing only when the screen's buffer is updated with a new image. The gpu just sends out frames as they are ready as it does currently without v-sync enabled(outside of some frame pacing control, which again already happens anyway in the drivers).

ultimately I fail to see how Nvidia can patent or control or prevent AMD from using it, when the entire thing falls on the screen choosing to refresh in a different way.

g-sync likely is a patented name, but the tech is all screen side, Nvidia can't possibly hold the patent on a screen maker choosing when to refresh and AMD may have to call it something else.