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Re: [Public WebGL] WEBKIT_ extensions

This new blog post by a Mozilla colleague may be worth skimming, in relation to vendor-specific prefixes.



On 07/11/11 12:03 AM, Glenn Maynard wrote:
On Sun, Nov 6, 2011 at 11:23 PM, Mark Callow <callow_mark@hicorp.co.jp
<mailto:callow_mark@hicorp.co.jp>> wrote:

    KHRONOS, or the more likely KHR, implies wider approval than just a
    single working group and would have to be discussed within the
    Khronos Group.  I suspect the answer will be that WebGL only
    extensions should not use KHR.

It's odd if "Khronos" isn't appropriate for "Khronos ratified extensions".

The naming isn't really the issue that came up above, though.  The issue
is that the use of vendor prefixing for web APIs differs significantly
from prefixing for OpenGL APIs.  The use of them in WebGL, which is both
of these, isn't yet well-defined.

Web APIs are normally prefixed in each implementation separately, eg.
mozRequestAnimationFrame, while the API is being stabilized.  Once an
API is fixed and implementations catch up, they remove the prefix.  This
prevents pages from becoming dependant on earlier versions of the spec
under its final name, so the API's development isn't limited by
backwards-compatibility before it's even finished.  Each vendor uses its
own prefix, so any dependencies caused by this are localized to that
browser, and the presence of a prefix is a signal that the API isn't yet

OpenGL extension prefixes don't do any of that; prefixing is used
differently, for different reasons.  WebGL extensions seem more like Web
APIs than OpenGL APIs.

Glenn Maynard

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