Re: [Public WebGL] Shader validator issue.

["Joe D Williams" <joedwil@earthlink.net>]

> support for something like standard_derivitives.

Is that a math thing, a first connection with OCL?
Thanks and Best,
Joe


----- Original Message ----- 
From: "Chris Marrin" <cmarrin@apple.com>
To: "Kenneth Russell" <kbr@google.com>
Cc: "Ben Vanik" <Ben.Vanik@microsoft.com>; <steve@sjbaker.org>; "Gregg 
Tavares (wrk)" <gman@google.com>; "Vladimir Vukicevic" 
<vladimir@mozilla.com>; "public webgl" <public_webgl@khronos.org>
Sent: Tuesday, August 24, 2010 4:14 PM
Subject: Re: [Public WebGL] Shader validator issue.


> On Aug 24, 2010, at 11:14 AM, Kenneth Russell wrote:
>
> > On Tue, Aug 24, 2010 at 9:31 AM, Chris Marrin <cmarrin@apple.com> 
> > wrote:
> > > On Aug 23, 2010, at 1:41 PM, Kenneth Russell wrote:
> > >
> > > > Support for OES_standard_derivatives is in the process of being 
> > > > added
> > > > to the ANGLE shader validator. See
> > > > http://code.google.com/p/angleproject/issues/detail?id=25 . Once 
> > > > this
> > > > is in place, it will be possible to enable 
> > > > OES_standard_derivatives in
> > > > a WebGL app. (We need to start a WebGL extension registry...part 
> > > > of
> > > > this is still on my plate.)
> > >
> > > Extensions aren't enabled in WebKit yet, are they? How about 
> > > Firefox?
> >
> > They aren't enabled in WebKit yet. I think we need to specify them
> > before adding support.
>
> The extension mechanism is defined in the spec, but the functions 
> are not yet in WebKit I see. Once they are, it seems reasonable to 
> add experimental support for something like standard_derivitives.
>
> -----
> ~Chris
> cmarrin@apple.com
>
>
>
>
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