Based on the other thread I do see GL_OES_vertex_array_object and 
OES_vertex_array_object in the console output on chrome for android nexus 5

On Wednesday, February 26, 2014 6:26:15 PM UTC-6, Milan Raj wrote:
>
> Hey Floh,
>
> I had just looked at the demos before seeing this post and anecdotally 
> thought that the performance seemed better than normal on my machine at a 
> solid 60fps for the map viewer on chrome desktop. Not a great benchmark on 
> my part, but I'm impressed. :]
> I can see it run well it firefox nightly desktop too. In chrome for 
> android I get a black screen but firefox android fullscreen rocks between 
> 30 and 40 fps when before I remember around 15 fps.
>
> On Tuesday, February 25, 2014 4:06:39 PM UTC-6, Floh wrote:
>>
>> FYI, I just updated the demos at http://www.flohofwoe.net/demos.htmlwith VAO 
>> enabled, I'm not doing any testing though whether the extension is 
>> actually supported in the browser. Alon says he has problems on his machine 
>> (nothing rendered), I'll see if I can find out more tomorrow.
>>
>> -Floh.
>>
>> Am Montag, 24. Februar 2014 14:54:55 UTC+1 schrieb jj:
>>>
>>> The code was merged last week - and in the end we actually noticed that 
>>> we had to retain the VAO emulation path as well, so no features were 
>>> dropped. It should be possible to use VAOs both with and without GL 
>>> emulation, although the emulation path is not functionally perfect.
>>>
>>>    Jukka
>>>
>>>
>>> 2014-02-24 15:44 GMT+02:00 Floh <[email protected]>:
>>>
>>>> PS: clarification: "desktop version" means the actual native version 
>>>> for Windows and OSX, not the "desktop GL path" in emscripten. I'm 
>>>> currently 
>>>> not using VAO code in emscripten, so thumbs up from me :)
>>>>
>>>> -Floh.
>>>>
>>>> Am Montag, 24. Februar 2014 14:42:06 UTC+1 schrieb Floh:
>>>>
>>>>> Whoops, I was sick last week and didn't notice this :) My demos (
>>>>> www.flohofwoe.net) use VAOs in the desktop-GL version. I'd love to 
>>>>> use them in emscripten too since it can reduce calls to GL drastically 
>>>>> (if 
>>>>> I remember right I can replace 11 calls with a single VAO call). Would 
>>>>> love 
>>>>> to use this in emscripten, especially if the code makes use of a WebGL 
>>>>> VAO 
>>>>> extension.
>>>>>
>>>>> Even though VAOs don't seem to make much of a performance difference 
>>>>> in desktop GL it would be interesting to measure perf differences in 
>>>>> WebGL, 
>>>>> because of the (I guess) higher overhead per GL call.
>>>>>
>>>>> Cheers,
>>>>> -Floh.
>>>>>
>>>>> Am Montag, 17. Februar 2014 21:24:22 UTC+1 schrieb jj:
>>>>>>
>>>>>> Hey,
>>>>>>
>>>>>> Anthony Liot has been working on a pull request to add proper VAO 
>>>>>> support in Emscripten in this pull request: https://github.com/
>>>>>> kripken/emscripten/pull/1817
>>>>>>
>>>>>> Before that PR (and before Firefox even supported VAOs), we had an 
>>>>>> emulation path implemented, which was not really that great or perfect, 
>>>>>> but 
>>>>>> possibly actually worked in some codebases.
>>>>>>
>>>>>> Now when looking at Anthony's pull request and after having a chat 
>>>>>> with Alon some time ago, we thought that in case nobody's actually using 
>>>>>> that emulation path, we could just merge Anthony's PR in and drop the 
>>>>>> old 
>>>>>> VAO emulation altogether. Then the browsers that have real support for 
>>>>>> VAOs, would do so, and those that don't, would not even try to emulate, 
>>>>>> since the performance will be suboptimal compared to not using VAOs at 
>>>>>> all.
>>>>>>
>>>>>> If someone is using that VAO emulation and cares about browser 
>>>>>> environments which don't have it, please let us know - of course we can 
>>>>>> preserve it if someone actually is using it. Otherwise we'll probably 
>>>>>> drop 
>>>>>> the VAO emulation path for good.
>>>>>>
>>>>>> Note that this VAO emulation is a different thing than the existing 
>>>>>> desktop GL/fixed-pipeline GL emulation, which will not be changed here 
>>>>>> in 
>>>>>> any way.
>>>>>>
>>>>>> Cheers,
>>>>>>    Jukka
>>>>>>  
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>>>
>>>

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