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Re: [Public WebGL] IE 11



Hi,

we have some issues while testing X3DOM on IE11. There are some strange limitations in regards to function calls in GLSL.
Is Ben Constable reading this list? Is there a WebGL-related bug-tracker for IE11? 

Best regards
Johannes

> 
> Let's not jump to the conclusion that Microsoft will never fully
> support the WebGL specification. It is clear that the implementation
> in IE 11 is incomplete. The majority of demos I tested with it didn't
> work because of some entry point or another simply being
> unimplemented. Microsoft stated in the WebGL BOF at SIGGRAPH that they
> know their implementation is incomplete, and they're prioritizing what
> missing pieces to fix.
> 
> At the same time, yes, the WebGL community should collectively reach
> out to Microsoft to point out use cases that don't work. I suspect
> they will realize that the entry points they've stated they have no
> intent to support (like VertexAttrib[1234]f[v]) are not difficult to
> emulate, and are required for some applications.
> 
> Finally, from talking with Ben Constable at SIGGRAPH (Principal
> Engineer on IE and author of its WebGL implementation), Microsoft has
> good ideas about how to specify whether a given shader is going to run
> on a given piece of hardware, and defining performance characteristics
> of the GPU. I am looking forward to collaborating with them to improve
> the WebGL spec.
> 
> -Ken
> 
> 
> 
> On Wed, Jul 31, 2013 at 10:36 AM, Brandon Jones <bajones@google.com> wrote:
>> It seems to me like the most effective thing at the moment may be to try and
>> mobilize WebGL developers to contact Microsoft with real-world apps/demos
>> that indicate a need for API "X". I'd imagine that if enough developers
>> wrote in eventually the entire API would worm it's way onto Microsoft's
>> "priority" list.
>> 
>> And, if after all that some APIs just don't see much or any demand, it's
>> honestly probably not a crisis is MS excludes them. I'm all for supporting
>> the standard as is, but there is something to be said for not spending
>> resources supporting a function call only 3 developers have ever tried.
>> 
>> --Brandon
>> 
>> 
>> On Wed, Jul 31, 2013 at 10:26 AM, Ben Vanik <benvanik@google.com> wrote:
>>> 
>>> (opinions are my own, not my employers)
>>> 
>>> What IE is shipping should be called 'WebGL Lite', if they are not going
>>> to be implementing the full spec.
>>> 
>>> Had they wanted to encourage the removal of these calls from the spec they
>>> should have participated earlier. Developers writing code will now have to
>>> worry about which features IE has arbitrarily chosen not to implement and as
>>> such will learn to avoid using them even though doing so may have been a
>>> perfectly sensible thing to do. It feels like a ham-fisted effort to force
>>> changes to the spec after it's been shipped without the involvement of
>>> Khronos and its members (who spent a great deal of effort making sure the
>>> spec was good) or the community.
>>> 
>>> Can anyone help the IE team see reason here? I feel like they are hurting
>>> their image in what could have been their moment of triumph :/
>>> 
>>> 
>>> 
>>> On Wed, Jul 31, 2013 at 4:50 AM, Daniel Koch <dkoch@nvidia.com> wrote:
>>>> 
>>>> That seems kind of silly.  There already is an existence proof out there
>>>> that all the WebGL features can be mapped to D3D9 and D3D11 fairly
>>>> reasonably… (and it's even open source if they need help figuring it out).
>>>> Ah well, I suppose something is better than nothing?
>>>> 
>>>> -Daniel
>>>> 
>>>> 
>>>> Microsoft's message at the moment is that it's an early developer preview
>>>> and they are actively working on implementing more functionality before
>>>> launch. They have also stated that they do not intend to implement every
>>>> WebGL API (They explicitly called out vertexAttrib[1234]f as an API they are
>>>> planning to ignore as it doesn't map to D3D11 well), and are looking for
>>>> developer feedback on which APIs should receive priority.
>>>> 
>>>> --Brandon
>>>> 
>>>> 
>>>> On Tue, Jul 30, 2013 at 5:19 PM, Mark Callow <callow.mark@artspark.co.jp>
>>>> wrote:
>>>>> 
>>>>> I tried the IE 11 preview. The simple get.webgl.org cube works as does
>>>>> the slightly more complex one on khronos.org. However the WebGL aquarium
>>>>> does not. I get a cyan background and the menu but nothing else. I do not
>>>>> have time to investigate.
>>>>> 
>>>>> Regards
>>>>> 
>>>>>    -Mark
>>>>> 
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>>>> 
>>>> 
>>> 
>> 
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