Intent to ship: Canvas CSS/SVG filters

[Tobias Schneider]

I intend to turn Canvas CSS/SVG filters on by default on all platforms. It
has been developed behind the canvas.filters.enabled preference. Google's
Chrome is already shipping this in version 52.

Related bugs:

https://bugzilla.mozilla.org/show_bug.cgi?id=927892
https://bugzilla.mozilla.org/show_bug.cgi?id=1173545

Specification:

https://html.spec.whatwg.org/multipage/scripting.html#dom-context-2d-filter

[Tantek Çelik]

Awesome and congrats Tobias! -tantek

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[Jeff Muizelaar]

How does performance compare to Chrome?

-Jeff

On Thu, May 26, 2016 at 12:40 PM, Tobias Schneider <tschn...@mozilla.com>

[Tobias Schneider]

I got the following numbers running
https://dl.dropboxusercontent.com/u/55355076/benchmark.html?filters=true on
my MacBook Pro (Mid 2014):

Firefox Developer Edition: Skia-GL: 10fps
Skia: 3fps
CG: 10fps
Cairo: 8fps

Chrome Canary 53: 3fps


On Tue, May 31, 2016 at 11:53 AM, Jeff Muizelaar <jmuiz...@mozilla.com>
wrote:

[Jet Villegas]

I'm surprised to see Skia (which I assume is also Chrome 53's canvas
backend) lagging behind CoreGraphics and even Cairo here. Do we have a bug
to track that down? This is the same code that powers our CSS filters, so a
speedup there should help both canvas and content.

--Jet

On Wed, Jun 1, 2016 at 12:08 PM, Tobias Schneider <tschn...@mozilla.com>

[Jeff Muizelaar]

Can you also get results on Windows?

-Jeff

On Wed, Jun 1, 2016 at 3:05 PM, Tobias Schneider <tschn...@mozilla.com>

[Tobias Schneider]

Just tested on Windows 10 and got 9fps in Firefox(Direct2D) and 5fps in
Chrome Canary. Both test were running with a canvas size of 2560 x 720.
Tats half of my monitor resolution. With a maximized window, Chrome
crashes, Firefox keeps it at 9fps.

On Wed, Jun 1, 2016 at 2:07 PM, Jeff Muizelaar <jmuiz...@mozilla.com>
wrote: