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Thanks for the great response everyone! Sony embracing web technologies such as #webgl  was what brought me to work here, and I'm really excited to talk about the details of our application. I think our team here has done an amazing job with the user experience.

I wanted to address some comments and clarify what is actually running WebGL with some development screen grabs. Each is highlighted accordingly. PS4 store is done completely in WebGL so I didn't attach anything related to that.

WebKit or Blink? We're a WebKit shop currently as people figured out from the PS4 license. The Blink/WebKit split happened after we were deep in development. My personal preference is Blink but that's not my decision to make.

UI framework is in house tech. I handled the layer below that it uses for its rendering which is all WebGL. Will be talking more about everything at that level during my talk at +SFHTML5.
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Did your team use any of those webgl libraries like pixie.js or two.js to speed up ui development ?
Any special extensions to do things like render HTML to a WebGL texture?
So you handles all scene graphs directly with webgl context? Any particular reason for not using helper library?
+James Darpinian there was a Chrome experiment that had some HTML content rendering in WebGL. I'm blanking on the actual site, but yes we have something similar for our platform.

+Jeremy Lu we had a very specific use case and performance was very important so I wrote a solution that fits our needs. Will definitely address that within my talk.
This is a long shot but figured id ask :-P Nintendo with their Wii U has opened up to allow JS dev on their platform any chance we will see this with PS4? Seems like Sony already embracing web tech for PSN :-)
+Don Olmstead Thanks, that makes perfect sense, can't wait to see more details on that, sneak preview plz ? ;)
+Don Olmsteadwas this architectural choice made because this makes it easy to change over time?
What's the point of using a web browser engine without actually using the browsing features? You say that the UI is WebGL-only, this means no DOM. Why not simply use plain OpenGL then? It's much faster.
+Cory Gross Mixing HTML with WebGL? This is awful. So much overhead, also doesn't work with the GL state (need div polygons to simulate depth testing).
+Chris Weber that's a definite selling point to going browser based.

+Vitaliy Kuzmin there are other browser features that we use. Also there is third party web content from game publishers that is present in the UI.

+Cory Gross we're not using CSS transforms within the UI though it is supported within the browser.
+Vitaliy Kuzmin imagine another reply would be ‘it gives us faster iteration to improve UI’, when you consider PS3’s frontend… its a good thing.

+Don Olmstead hopeful one day to see the browser gain <audio> support and include Opus! Are there more people to follow for ‘tech’ posts on PS4 frontend? :)
Was this a clever ruse to get Gman back to work on PS stuff or did you guys shared thoughts on this? From PS3 evangelist to a similar WebGL position at Google and now PS4 using WebGL in its UI ;)...
I'm also curious about the possible use of web technologies to build games for the PS4, as was asked by +Joseph Burchett . I'm working on a project using WebGL to target various desktop platforms, but it would be a delight to move over to the PS4 without moving to a 'native' engine.

From what I've researched so far, it seems there's no immediate support. Does this mean one would have to port a web rendering engine to the PS4 to run WebGL?

I look forward to your upcoming talk- thanks for the good work you've done at Sony. I'm loving the PS4 so far.
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