Re: Interaction between opacity and transform-style from Aryeh Gregor on 2012-03-15 (public-fx@w3.org from January to March 2012)

From: Aryeh Gregor <ayg@aryeh.name>
Date: Thu, 15 Mar 2012 15:44:30 -0400
To: Simon Fraser <simon.fraser@apple.com>
Cc: robert@ocallahan.org, public-fx@w3.org, "L. David Baron" <dbaron@dbaron.org>, Matt Woodrow <mwoodrow@mozilla.com>
Message-ID: <CAKA+Axk79mpk_K3Lsn1U6=i5OWaHp9FWPFpy1C3ZBDttEWz6Bw@mail.gmail.com>

On Thu, Mar 15, 2012 at 1:37 PM, Simon Fraser <simon.fraser@apple.com> wrote:
> This is why the spec has Issue 3: "This description does not exactly match what WebKit implements".
>
> WebKit does depth-sorting of siblings based on 3d transforms outside of 3D rendering contexts when it should not.

Which is why opacity < 1 implying transform-style: flat produces the
desired results in Safari, but not other browsers.  In other browsers,
transform-style: flat will have different and undesired results here.

Received on Thursday, 15 March 2012 19:45:20 UTC