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[whatwg] Image resize API proposal

From: David Levin <levin@google.com>
Date: Mon, 24 May 2010 14:09:49 -0700
Message-ID: <AANLkTikb5g_AXs7pnqWm7dUwvH-sLi1ilkWj96le8qIo@mail.gmail.com>
On Mon, May 24, 2010 at 1:40 PM, Aryeh Gregor
<Simetrical+w3c at gmail.com<Simetrical%2Bw3c at gmail.com>
> wrote:

> On Mon, May 24, 2010 at 1:21 PM, David Levin <levin at google.com> wrote:
> > We've discussed the leading alternate proposal optimized canvas (plus js
> to
> > read the exif information) and then get the bits out of canvas, but there
> > are several issues with this proposal including
> >
> > that not all browsers will have an implementation using the gpu that
> allows
> > web sites to use this and not hang the UI
>
> This is a nonissue.  There's no point in speccing one feature to work
> around the fact that browsers haven't implemented another -- it makes
> more sense to just get the browsers to implement the latter feature,
> making the former moot.  Browsers look like they're moving toward GPU
> acceleration for everything now, and that has many more benefits, so
> we should assume that by the time they'd implement this API, they'll
> already be GPU-accelerated.
>
> > that even if it was implemented everywhere, this solution involves
> readback
> > from the GPU which, as Chris mentioned, is generally evil and should be
> > avoided at all costs.
>
> This I'm not qualified to comment on, though.  To the best of my
> knowledge, GPUs are magical boxes that make things go faster via pixie
> dust.  ;)
>

Thanks for your opinion. :)

Chris is qualified so are other people whom I've spoken to who have said the
same thing, so using the gpu is not pixie dust in this particular scenario
even though folks would like to be believe it so.
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