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Re: [whatwg] Canvas in workers

From: Jeff Gilbert <jgilbert@mozilla.com>
Date: Thu, 24 Oct 2013 05:25:11 -0700 (PDT)
To: robert@ocallahan.org
Message-ID: <956570569.4445529.1382617511986.JavaMail.zimbra@mozilla.com>
Cc: Justin Novosad <junov@google.com>, WHAT Working Group <whatwg@whatwg.org>, Glenn Maynard <glenn@zewt.org>, Kenneth Russell <kbr@google.com>, Kyle Huey <me@kylehuey.com>
This is not the current WebGL semantics:
    WebGL presents its drawing buffer to the HTML page compositor immediately before a compositing operation[...]

I can't find where this is specified for canvas, though I assume it's all implied.

-Jeff

----- Original Message -----
From: "Robert O'Callahan" <robert@ocallahan.org>
To: "Justin Novosad" <junov@google.com>
Cc: "WHAT Working Group" <whatwg@whatwg.org>, "Glenn Maynard" <glenn@zewt.org>, "Kenneth Russell" <kbr@google.com>, "Kyle Huey" <me@kylehuey.com>
Sent: Thursday, October 24, 2013 2:24:27 AM
Subject: Re: [whatwg] Canvas in workers

We talked through this proposal with a lot of Mozilla people in a meeting
and collectively decided that we don't care about the case of workers that
commit multiple frames to a canvas without yielding --- at least for now.
So we want to remove commit() and copy the main-thread semantics that a
canvas frame is eligible for presentation whenever script is not running in
the worker.

Rob
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Received on Thursday, 24 October 2013 12:25:36 UTC

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