[Public WebGL] IE11 vs Chrome

Ashley Gullen [email protected]
Tue Nov 18 08:31:36 PST 2014

Chrome has known jank issues with vsync, see:

On 18 November 2014 09:54, Florian Bösch <[email protected]> wrote:

> On Tue, Nov 18, 2014 at 10:38 AM, John Davis <[email protected]>
> wrote:
>> Will Chrome/Angle be using DX11 anytime soon?
> As Brandon has said, it depends on your system if Angle is using DX11 or
> DX9.
>> Not sure about everyone else, but on my end this demo is smooth as glass
>> on IE11, but stutters/jerks on Chrome.
> That's probably not got anything to do with the backend choice. It runs
> smooth here in Chrome/Linux.
>> Any idea what the difference is?  Or how I can make it run better on
>> Chrome?
> Stuttering/Jerking/etc. is most often caused by engaging the JS garbage
> collector a lot. Each time it kicks in, it stops the world for anything
> between 80-150ms and nothing gets drawn during that time.
> It is possible that there's a particular bug with Chrome (due to vsync and
> whatnot) that you might be affected by (Brandon and I talked about this
> getting somewhat worse). You should compare your demo on different browsers
> (IE, Chrome, Firefox, Opera) and on different OSes (OSX, Windows, Android,
> iOS). This helps you spot if you did something wrong (it's bad everywhere),
> or something suboptimal you did (it's good on exactly one browser, but not
> on any other), or if it's a browser bug (it's bad on only one browser).
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