You bring up a good point. Maybe the output is JS to the web browser. And I
think that is a more awesome solution - because then your deployment platform
does not need to support Qt. While I originally conceived of this to introduce
people to QML I ran into another idea. I have a Samsung SmartTV which has a
HTML5/Webkit app development environment. If Samsung supported WebGL (which
they might, I haven't checked) we could write apps for Samsung TV but run them
off a remote server. The code on the server would be QML, and we could target
any WebGL compliant platform.
I don't think performance is that critical. If it was they wouldn't be running
it in a browser. ;-)
The problem with NaCL is you have to wait and download the entire binary.
Meanwhile if you just spit out JS/WebGL commands there is no transfer time.
________________________________
From: Samuel Rødal <samuel.ro...@digia.com>
To: interest@qt-project.org
Sent: Wednesday, January 9, 2013 2:21 AM
Subject: Re: [Interest] Crazy Idea of the day: WebGL renderer
On 01/08/2013 07:35 PM, Jason H wrote:
> There has been an alarming increase in the number of on-line interactive
> coding platforms. Take for instance ScraperWiki.com,
> http://www.typescriptlang.org/Playground/ and a dozen others. While I am
> waiting for my Qt5 build to download, I was wondering how it would be
> possible to enable QML in the browser. Chrome how has preliminary WebGL
> support ( http://www.chromeexperiments.com/webgl/ ) And I figure it
> would be a hoot and good for Qt5's visibility if we could get an online
> QML viewer going. Something with and edit pane and a visualization pane.
> I was thinking QPA might be ideal for this.
>
> Do you think it is possible? And how hard would it be?
I think such a solution (QPA) might be sub-par (the actual code would
have to run on a server, and performance would suffer since you lose the
possibility of doing a scene-graph approach with WebGL) to actually
parsing and rendering QML with WebGL client-side in the browser, or
possibly having a pre-processing step that compiles QML to JavaScript /
WebGL.
The performance will probably not be as good as a Google Native Client
build of Qt though.
--
Samuel
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