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43 commits

Author SHA1 Message Date
Junyoung Cho
ab589403ed Fix: whitespace is considered as spaces(U+0020), tabs(U+0009), and line breaks(U+000D U+000A) 2014-02-21 21:20:48 +09:00
Junyoung Cho
327e1e20a9 Prevent '&nbsp' from stripping as whitespace 2014-02-21 17:30:15 +09:00
Youngmin Yoo
13f9a66632 Impl Basic support for object element 2014-02-20 17:31:16 +09:00
Adam Sinnett
ffcd3833de Change Text, Comment and ProcessingInstructions parent name from element to characterdata 
All other node's parent type names reflect the actual type of the parent. This change extends that convention to the indicated nodes.

closes #1594
 2014-02-15 13:52:33 -08:00
Patrick Walton
1678cc9a88 layout: Implement basic style sharing. 
No improvement on the rainbow page, but necessary for some other
optimizations we want to do.
 2014-02-14 17:37:50 -08:00
Patrick Walton
758f5ba755 style: Separate out style structs into inherited and initial structs. 
This doesn't make much of a difference in performance, but will be
necessary for style struct sharing.
 2014-02-14 17:37:12 -08:00
Bruno de Oliveira Abinader
aa4b5bb948 Implement ProcessingInstruction DOM interface 
Spec:
http://dom.spec.whatwg.org/#interface-processinginstruction

Closes #1619.
 2014-02-06 14:41:55 -04:00
Patrick Walton
18c025a8ed layout: Lazily create boxes for whitespace, speculating that they won't 
be needed.

33% win in flow construction on the rainbow page.
 2014-02-06 09:34:14 -08:00
Patrick Walton
d34ebf521d layout: Refactor flow construction to move around large structs less. 
5% perf win, and a net loss in lines of code.
 2014-02-04 23:09:14 -08:00
Patrick Walton
17eea6bb45 layout: Enforce that flow construction is thread-safe. 
Closes #1584.
 2014-01-31 17:54:13 -08:00
Patrick Walton
a8e35fbeac layout: Use the concurrent hash map for the leaf sets. 
64% improvement in style recalc.
 2014-01-30 15:11:35 -08:00
Patrick Walton
b27f4a8969 layout: Introduce a DOM leaf set as a prerequisite for parallel flow 
construction.

This will be very slow until we have the concurrent hash table, but we
might as well get it in.
 2014-01-29 21:05:50 -08:00
Patrick Walton
e579daefc2 layout: Stop adding flows to the leaf set that are obviously never going 
to be leaves.

60% improvement in flow tree construction time on the rainbow page.
 2014-01-29 15:01:26 -08:00
patrick kim
c2ced790ba implement inline border 2014-01-27 12:45:23 +09:00
Patrick Walton
18a2050a64 layout: Port parallel layout over to a generic "work queue" 
infrastructure.

The work queue accepts abstract generic "work units", which in this case
are layout operations. The same speedups have been observed.
 2014-01-24 20:50:30 -08:00
Patrick Walton
5cc744d25d layout: Destroy flows properly under display: none. 
Fixes a crash on http://en.wikipedia.org/wiki/South_China_Sea

It plants a destructor bomb on flows so that this can't happen again.
 2014-01-24 10:37:46 -08:00
patrick kim
815d222e00 change position of setting inline_data for "<span>asdf<div>b</div></span>" case 2014-01-23 09:51:08 +09:00
Patrick Walton
54f0f17f83 layout: Implement parallel reflow for the bubble-widths and 
assign-heights phases.

This uses the new work-stealing deque. By default, 3/4 of a thread per
logical CPU is used. This can be tuned with the `-y` flag.

I measured a 65% reflow speedup on `perf-rainbow.html` and a 247% reflow
speedup on `http://en.wikipedia.org/wiki/South_China_Sea` on a 4-core
HyperThreaded Core i7. However, numbers were fairly volatile, especially
for the latter.
 2014-01-22 15:59:21 -08:00
Isabelle Carter
084c7fb734 Position fixed displays out of normal flow. 2014-01-16 15:14:55 -06:00
Isabelle Carter
f58fd54875 Flagging of blocks as fixed displays 2014-01-16 15:00:28 -06:00
patrick kim
6364103d29 some refactor & add comment 2014-01-16 09:34:38 +09:00
patrick kim
25a3da6180 initial implement for inline background 2014-01-15 13:39:33 +09:00
Patrick Walton
ff213b6ad7 layout: Rename FlowData to BaseFlow to match other types 2014-01-13 14:13:14 -08:00
Jack Moffitt
a7ef1cd35e Upgrade to latest Rust. 2014-01-12 19:45:45 -07:00
Patrick Walton
9e2b63ddd3 layout: Move the LayoutNode wrapper from script into layout. 2013-12-17 18:07:41 -08:00
Patrick Walton
c506e52c7c layout: Add a lifetime to LayoutNode to prevent layout from stuffing 
them into evil places.
 2013-12-17 18:07:41 -08:00
Patrick Walton
ee9873bdb5 script: Harden layout a bit more by mostly prohibiting it from seeing 
`AbstractNode` at all.

It can still see it by calling `with_element` for now, although that
needs to be fixed.
 2013-12-17 18:07:12 -08:00
Patrick Walton
be69a503fe script: Eliminate the phantom type in favor of just whitelisting methods 
that layout can safely call.

This is simpler. Currently, the set of methods is not safe, but I plan
to lock it down more soon.
 2013-12-17 18:07:12 -08:00
Patrick Walton
199ca33b72 script: Make trees less generic 2013-12-17 13:46:14 -08:00
Patrick Walton
971f77d2c6 layout: Stop going to the DOM for iframe sizes 2013-12-13 15:10:04 -08:00
Patrick Walton
dc8504fd12 layout: Store image dimensions inside image boxes instead of going to 
the DOM for them.
 2013-12-12 17:51:31 -08:00
Patrick Walton
4c8383c38b layout: Reference count ComputedValues structures like Gecko does. 
This has no difference in CSS selector matching performance and results
in a 31% speedup in constraint solving on the rainbow page.
 2013-12-12 14:44:24 -08:00
Patrick Walton
dcacab8149 layout: Don't delete non-text boxes from the list of input boxes when 
flushing text clumps. Fixes this page:

    http://en.wikipedia.org/wiki/Yellow_River

This is not the most efficient thing to do; a FIXME has been added
noting what is most correct.
 2013-12-11 14:35:13 -08:00
patrick kim
0026eb0899 remove @ in LayoutTask.FontContext 2013-12-11 11:42:14 +09:00
Patrick Walton
1ba71432ee layout: Change ~Box to Box. 
63% improvement in box building on the rainbow page.
 2013-12-10 18:00:38 -08:00
Ryan Choi
d26bf36833 removing @ from flowtree. (but cloning boxes when creating a display list) 2013-12-10 13:44:20 +09:00
Patrick Walton
30bbaa49b7 Revert "auto merge of #1356 : ksh8281/servo/remove_@_in_LayoutTask.FontContext, r=pcwalton" 
This reverts commit e8ffac13d7, reversing
changes made to db923feffe.

Reverting this change because FreeType is *not* thread safe. See the
documentation here:

http://www.freetype.org/freetype2/docs/reference/ft2-base_interface.html

"In multi-threaded applications, make sure that the same FT_Library
object or any of its children doesn't get accessed in parallel."

We will need to use a `MutexArc` instead.
 2013-12-09 19:40:08 -08:00
patrick kim
f187035e25 remove @ in LayoutTask.FontContext 2013-12-10 08:59:43 +09:00
Keegan McAllister
dda6d2b53c Convert LayoutContext.image_cache from @mut to MutexArc 
LocalImageCache isn't Freeze so we have to use unsafe_access,
which exists for MutexArc and not RWArc.
 2013-12-06 11:31:49 -08:00
Patrick Walton
4fda26f76e layout: Change RenderBox to an enum and shorten its name in 
preparation for removing its `@`-ness.

Also removes a few text copies that were taking place.

This sure does remove a lot of code!
 2013-12-05 17:41:41 -08:00
Bruno de Oliveira Abinader
ac45d70a4a Remove 'FloatFlow' 
Removes 'FloatFlow' in favor of FloatBlockFlow, which is cointained
inside BlockFlow in a 'has-a' relationship. This avoids a bunch of
duplicated code.

This patch is for:
https://github.com/mozilla/servo/issues/1281
 2013-12-03 14:36:31 -04:00
Bruno de Oliveira Abinader
bf277e634b s/FlowContext/Flow 
This patch is for:
https://github.com/mozilla/servo/issues/1282
 2013-12-02 16:14:06 -04:00
Patrick Walton
155befe10d Rewrite flow construction to be incrementalizable and parallelizable. 
This replaces flow construction with a strict bottom-up tree traversal,
allowing for parallelism. Each step of the traversal creates a flow or
a `ConstructionItem`, similar to how Gecko works. {ib} splits are
handled by not creating `InlineFlow`s until the containing block is
reached.

This should be able to be incrementalized by storing the `Flow` from
layout to layout, and performing fixups during flow construction
and/or wiping containing blocks in a previous pass.
 2013-11-18 11:24:11 -08:00