[Public WebGL] Re: retrograde webgl support levels

Florian Bösch [email protected]
Fri Mar 27 10:04:43 PDT 2015


I think can generate something, but won't get around it for a bit.

On Fri, Mar 27, 2015 at 6:03 PM, Kenneth Russell <[email protected]> wrote:

> On Fri, Mar 27, 2015 at 3:13 AM, Florian Bösch <[email protected]> wrote:
> > There's been no reasoning provided on the Android retreat of
> > WEBGL_depth_texture and EXT_shader_texture_lod. 2 Weeks more in it's now
> > looking like:
> >
> > On Fri, Mar 13, 2015 at 9:26 AM, Florian Bösch <[email protected]> wrote:
> >>
> >> On Wed, Mar 4, 2015 at 9:33 AM, Florian Bösch <[email protected]> wrote:
> >>>
> >>> WEBGL_depth_texture February -> March
> >>>
> >>> Android Chrome Mobile: 19.4% -> 7.9% !!!
> >>
> >> ->  10.7%  likely no retreat to 0%, still a substantial drop
> >
> > -> 11.8%, note that peculiarly Android Browser has this feature rapidly
> > rising. What gives? Could this be the instance of a bug being fixed in
> > Chrome Mobile while it's still present in Android browser and is soon to
> be
> > exhibited by most of those? That'd be a bummer.
>
> Not sure. To the best of my knowledge, nothing has changed in Chrome's
> logic determining when to expose this extension. Is it possible for
> you to use WEBGL_debug_renderer_info (which Chrome exposes
> universally) to generate histograms for which GPUs enable and don't
> enable it? I've heard that in the past a large volume of new devices
> coming on the market can skew data such as this.
>
>
> >>>
> >>>
> >>> EXT_shader_texture_lod February -> March
> >>>
> >>> Android Mobile Firefox: 28.6% -> 18.3% !!!
> >>
> >> -> 19.8% likely no retreat to 0%, still a substantial drop
> >
> >  -> 20.3%
> >
> >>>
> >>> Android Chrome Mobile: 14.3% -> 5.4% !!!
> >>
> >> -> 7.3% likely no retreat to 0%, still a substantial drop
> >
> > -> 8.1%
>
> Similarly for this, would it be possible for you to generate some
> histograms about which GPUs do and do not support it?
>
> Thanks,
>
> -Ken
>
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