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what causes screen tearing in games and can developers eliminate this problem?
6 months ago  ::  Jun 15, 2009 - 10:35AM #1
EVILSIN
Posts: 786

hey guys....for those who don't know what screen tearing is ......I believe its basically when a monitor flickers while playing certain games.....caused by the refresh rate of your monitor not being syncronized with the output signal's frames per second....now how the heck do you eliminate this if your monitor does not have a V-sync option?  I mean would getting a monitor with higher Hertz actually help? or is this something all developers should consider and fix into their games before placing them on the market....just played a little bit of ghostbusters and that has significant tearing......it causes the whole experience to feel unsatisfying.....then you have a game like SF4 which has no screen tearing at all but also we are not panning the camera in this game to view around us.....which finally brings me to RE5 and I have not really noticed any tearing in this game at all....so what's the deal....please tell us if this is something developers will be focusing on from now on....or is this the case of use having the right monitor for the right job???? please and thank you


edit: I also hear that 60 FPS is actually top notch and more then this is redundant for gaming? and also that PS3 can only display up to 60hz (for games) can you verify if this is true.....I would think that the engine used for the game development makes a big diffeence as well? 

6 months ago  ::  Jun 17, 2009 - 11:37AM #2
EVILSIN
Posts: 786

**BUMP**

6 months ago  ::  Jun 17, 2009 - 12:15PM #3
Strife
Posts: 38

Screen tearing is, in most cases, a result of trying to run a game in a resolution other than its native res. For example, setting your 360 to output in 1080p when 99% of games released today have a native resolution of 720p. Very few games have a native resolution of 1080p (I believe at last count there were around 25 PS3 games, and only 3 or 4 360 titles that support it. Mostly sports games.)


Resident Evil 5 has some nasty screen tearing at 1080p, but at 720p I've never experienced any.

6 months ago  ::  Jun 17, 2009 - 1:04PM #4
Rock
Posts: 2741

Screen tearing occurs when the framerate in the game exceeds the monitor's refresh rate. You'll see this a lot in PC games if you forget to switch on the v-sync.


For most monitors that I've seen, as the display resolution gets larger, the Hz it's capable of displaying becomes lower. This is all on PC with highly customizable settings for both resolution and refresh rate, so if you're gaming on consoles your best bet is probably to run them at 720p.

6 months ago  ::  Jun 17, 2009 - 1:12PM #5
EVILSIN
Posts: 786

yeah totally understand you guys....well I have been researching and it seems that theres lots of native 1080P games coming our way this year.....and I believe screen tearing occurs when the game exceeds the monitors processing refresh rate or when the game suffers in framedrops......now if we could have all games run at native 1080P and 60 frames per second (constant) I dont think we would have screen tearing anymore......im just wondeirng if A this is possible for developers.....and B do games actually run higher then 60 FPS on consoles? if they do then every game should have V-sync option implemented by the developer....

6 months ago  ::  Jun 17, 2009 - 1:14PM #6
Rock
Posts: 2741

I remember the console version of Bioshock had a "framerate limiter" option. More games need something like that.

6 months ago  ::  Jun 17, 2009 - 3:04PM #7
pkt
Posts: 617
JESUS CHRIST ELLIPSIS ATTACK

Are there even TVs with a higher than 60Hz refresh rate? Higher FPS would be pretty pointless there.
1080p @ 60Hz is definitely possible, but it's far from a trivial task, assuming you want state-of-the-art graphics to go with it.
6 months ago  ::  Jun 17, 2009 - 5:33PM #8
Strife
Posts: 38

Most newer 1080p tvs run in 120hz, although some are still 60. Most console games however, don't run at 60fps even at 720p, much less 1080p. PC titles though are very prone to screen tearing if your FPS gets higher than your refresh rate.

6 months ago  ::  Jun 17, 2009 - 5:39PM #9
EVILSIN
Posts: 786

Jun 17, 2009 -- 5:33PM, Strife wrote:


Most newer 1080p tvs run in 120hz, although some are still 60. Most console games however, don't run at 60fps even at 720p, much less 1080p. PC titles though are very prone to screen tearing if your FPS gets higher than your refresh rate.




 


is it benefitial at all to have the game run more then 60 FPS?  my TV s only 60hz and im worried games will start at 120 FPS because then I won't reep all the benefits?

6 months ago  ::  Jun 17, 2009 - 5:57PM #10
Strife
Posts: 38

Well, I'd say that less than 5% of all games run at 60fps overall. Most current gen games, even the big budget ones like RE5, are locked at 30. The real benefit of 120hz is when watching Blu-Ray movies. You hear a lot about 'dejudder' or 'motion blur reduction' but what it really comes down to is your picture is smoothed. Films are generally shot at 24fps, and since 120 is a multiple of 24 it's much easier for the TV to display the image exactly as it was filmed.


Long story short, unless you're running PC games on your TV I wouldn't worry about games hitting 120fps for a long, long time. Certainly not this generation. Games won't hit that level until 120hz tvs are extremely common. If a game is locked at 120fps and your tv can only show 60fps then you're going to get a rubbish image if you get one at all. Since most developers are still working on tweaking things with current gen hardware, i'd be surprised if you see any great number of games running at 1080p/60hz anytime soon.

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