Javier Fernández

A Coruña (Spain), 1977

I have been working at Igalia since January 2003, and people usually call me JaviF (Javi Fisterra) or jfernandez.

Latest Updates

Javier Fernández 24/06/2015

Performance on Grid Layout

Now that we have a quite complete implementation of CSS Grid Layout specification it’s time to take care of performance analysis and optimizations. In this essay, which is the first of a series of posts about performance, I’ll first introduce...

Javier Fernández 01/06/2015

Distributing tracks along Grid Layout container

In my last post I introduced the concept of Content Distribution alignment and how it affects Grid Layout implementation. At that time, it was possible to use all the <content-position> values to select grid tracks position inside a grid...

Javier Fernández 09/03/2015

Content Distribution in CSS Grid Layout

It’s been a while since Igalia and Bloomberg started to implement the Box Alignment specification for the CSS Grid Layout model. Some weeks ago we accomplished an important milestone of our roadmap landing in Blink trunk the last patches...

Javier Fernández 12/01/2015

Box Alignment and Grid Layout (II)

Some time has passed since my first post about the Box Alignment spec implementation status for Blink and WebKit web engines. I’ll do an update in this post and, since the gap between both web engines has grown considerably (I’ll do my best to...

Javier Fernández 11/12/2014

Web Engines Hackfest 2014

An awesome week is coming to the end and I’d like to thanks the sponsors for helping us to make possible that such an amazing group of hackers could work together to improve the web. We focused on some of the consolidated web engines but also about...

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Changeset [185874]: [CSS Grid Layout] Performance optimization: avoid computing overflow ...

2 edits in trunk/Source/WebCore [CSS Grid Layout] Performance optimization: avoid computing overflow alignment if not needed ​https://bugs.webkit.org/show_bug.cgi?id=146231 Reviewed by Sergio Villar Senin. We don't need to apply any overflow...

Javier Fernández23/06/2015

Changeset [185654]: [CSS Grid Layout] We should add performance tests for stretching logic ...

1 edit1 add in trunk/PerformanceTests [CSS Grid Layout] We should add performance tests for stretching logic ​https://bugs.webkit.org/show_bug.cgi?id=146063 Reviewed by Sergio Villar Senin. Added a new performance test for Grid Layout to ensure...

Javier Fernández17/06/2015

Changeset [185652]: [CSS Grid Layout] Performance tests are using the old syntax ...

3 edits in trunk/PerformanceTests [CSS Grid Layout] Performance tests are using the old syntax ​https://bugs.webkit.org/show_bug.cgi?id=146061 Reviewed by Sergio Villar Senin. Adapted tests to the new grid tracks definition...

Javier Fernández17/06/2015

Changeset [185327]: [CSS Grid Layout] Setting height on a grid item doesn't have any effect ...

3 edits2 adds in trunk [CSS Grid Layout] Setting height on a grid item doesn't have any effect ​https://bugs.webkit.org/show_bug.cgi?id=145604 Reviewed by Sergio Villar Senin. Source/WebCore: Box Alignment spec states that stretch is only...

Javier Fernández08/06/2015

Changeset [183805]: [CSS Box Alignment] Upgrade align-content parsing to CSS3 Box Alignment ...

17 edits2 adds in trunk [CSS Box Alignment] Upgrade align-content parsing to CSS3 Box Alignment spec ​https://bugs.webkit.org/show_bug.cgi?id=144443 Reviewed by Darin Adler. Source/WebCore: Upgrade the align-content property to the last CSS3...

Javier Fernández05/05/2015