R190 - jerking on IE, Chrome, Firefox, Opera

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Post » Wed Nov 26, 2014 2:51 pm

How serious is it? Is it like a single dropped frame or a few hundred millisecond pause?
Scirra Founder
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Post » Thu Nov 27, 2014 6:11 am

Of course it is serious. My computer can run modern 3D FPS games on high details with perfect smooth ... but one 2D canvas jerks every 5-10 seconds. FPS are around 59-60.

It is like .... smooth movement ... jerk jerk jerk jerk jerk ... smooth ... smooth ... jerk jerk jerk jerk ... smooth ... LAG ... smooth ... jerk jerk jerk ... :) .... i will try to record it.
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Post » Thu Nov 27, 2014 7:14 am

Here is a video:

*h*t*t*p*s*:*/*/*v*i*m*e*o*.*c*o*m*/*1*1*2*9*9*2*6*3*0

REMOVE chars * ... I can not post URLs.

Jerkings is well visible around second nr. 5 and nr. 13.

As I sad before. It is not a problem of one moving object but whole project jerk.
Last edited by Unknow01 on Thu Nov 27, 2014 8:52 am, edited 2 times in total.
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Post » Thu Nov 27, 2014 8:15 am

I've just tested your capx.

I first would have suspect the vsync bug of chrome. (which should probably be fixed soon)
But that jerking issue also appears in firefox. Oo
That's quite alarming. I'm really confused with all those jerkiness problems...
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Post » Thu Nov 27, 2014 8:54 am

Thank you KaMiZoTo for message. I am glad that other one have same problem and YES, THIS PROBLEM IS QUITE ALARMING!... Hope Ashley repair it soon because everything jerks :(
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Post » Thu Nov 27, 2014 1:40 pm

Are your graphics drivers up to date?

You also reported that IE11 is affected, which generally has had the best v-syncing quality. Are you sure it's affected? Is it the same on other systems? Are you sure it's not just that computer?
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Post » Thu Nov 27, 2014 5:48 pm

I've been trying to pin point this jerkiness as well. It started happening for us some point around 174-178. I have more testing to do. I have builds of our game that have no changes between the builds aside of front end and menu items. Testing our last stage with a build from august there was no jittering or jerking in our final stage. But now it's really bad - an d I know that aside of the respawn code, nothing has changed for it at all.

We were using r184 for our last build (anything higher and the game has completely stopped working in preview mode or even after a full export to anything). I've downgraded to r178 and the jerkiness is still there. Trying with different builds of Node Webkit as well but it makes no difference. I'm going to go back to ~174 this week at some point and test again. We can usually get a pretty even frame rate of 60fps on a mid range machine. I am pretty sure we had the new built in video player plugins in place when I did the last smooth export so I'll post my results when I have time.

All of my initial testing is done on two i7's with 8/16gb of ram and the game is always 60fps. My low end testing rig is a core2duo 32-bit with 4gb ram and an 8600gt - the game ran smooth with the older build on that.

DMM
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Post » Fri Nov 28, 2014 2:30 am

Ashley wrote:Are your graphics drivers up to date?

You also reported that IE11 is affected, which generally has had the best v-syncing quality. Are you sure it's affected? Is it the same on other systems? Are you sure it's not just that computer?

I'm with that 'jerkiness' on Chrome and Node for sure.. IE run my game just fine and I don't know about Firefox.
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Post » Fri Nov 28, 2014 12:08 pm

Can confirm tons of jagging in Firefox! Tons of screen tearing as well, though that might be due to my GPU driver having V-sync issues as well.
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Post » Fri Nov 28, 2014 4:06 pm

Tinimations wrote:Can confirm tons of jagging in Firefox! Tons of screen tearing as well, though that might be due to my GPU driver having V-sync issues as well.

What about IE? same vsync issues?
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