Platform/2008-07-09

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GFX 1.9.1 Update

• GFX blocking 1.9.1+
  • borders: reviews in process, perf testing looks good, need to verify win32
• GFX wanted 1.9.1+
  • SVG fonts
    • karlt: no progress due to distractions. This will benefit from the infrastructure being developed for downloadable fonts.
  • Do we have an update on bz's work to make <img src="foo.svg> possible?
• Video (roc/cdouble)
  • Core element patch has landed
  • --enable-media on trunk?
  • Ogg Vorbis/Theora backend could get review, but legal issues may block
  • Need to push GStreamer and Quicktime backends to patch submission
  • DirectShow backend playing some movies, needs more work
• downloadable fonts (jdaggett/zack)
  • unified font entry review waiting on stuart bug 437356
  • have user font object hooked into Zack's @font-face parsing code bug 441473
  • parsing code waiting on review bug 441469
    • dbaron has preliminary comments already, zack is working on them now
    • initial landing will not include unicode-range: (bug 443976) or DOM mutation (bug 443978)
  • src local() functional on mac
  • src url() loading code hopefully hooked up tomorrow
• pixman/cairo perf (vlad):
  • Still planning on new pixman/cairo soonish

Layout 1.9.1 Update

• 1.9.1 Layout Bugs
• Acid3: Roc or dbaron, status?
  • Nothing much happening, lots of patches waiting for review (dbaron, bz, jonas)
• SMIL still @ risk? (dholbert)
  • Progress on integrating with CSS; should have a patch for that in a day or so.
• SVG fonts at risk?
  • karlt: yes.
• SVG CSS, roc:
  • Feature complete
  • Patches trickling into trunk, need review mats immediately and will need reviews from mats and rlongson and others for ongoing merging
• border-image (robarnold, dbaron)
  • very close to ready-to-review
• media queries (dbaron)
  • awaiting review (from bzbarsky)
• CSS transforms - keith:
  • Reasonably good WIP patch on Bugzilla
  • Working on click detection, invalidation, z-ordering

Content 1.9.1 Update

• Content 1.9.1 Bugs
  • ~30 wanted bugs, will triage today. Nothing critical for alpha1 on the list from first look.
  • Worker Threads: Moving forward well. Ben will be out for a week, but will still try to get the basics in for a1. Patches up for review already, though still some changes coming. 437152.
  • Cross-site XHR: Jonas and Arun had a good meeting about the remaining spec issues last week, but there's still some final decisions to be made and to agree to.
  • Java/OJI bug waiting for reviews (from Jonas).

JS 1.9.1

• JS 1.9.1 Bugs
• JS Tracing:
  • Last week's status:
    • merged m-c and TT latest
    • adding tracing for various opcodes
    • TT prepping for SSE opts
    • landed nanojit refactorings
  • This Week's Status:
    • more nanojit patches
    • added tracing for many opcodes, close to running some benchmarks unmodified
    • perf looking good

Landed some incremental perf wins, 5-10% improvement over 1.9 so far. More coming, in review.

• Need to prioritize/file these.
  • JSObject ops makeover (at risk)
  • SDK / compiler adjustments on Mac (waiting on breakpad dwarf2 support)
  • Profile guided input improvements

Blocking
417131	igor@mir2.org	review_brendan?	JS Enumeration Allocation Consternation
430133	general@js.bugs		Object.defineProperty
421864	igor@mir2.org	wip-patch	Interpreter creates too many doubles
433337	igor@mir2.org	review_brendan?	Reunify jsinterp.c on Windows
Wanted
229756	brendan@mozilla.org		Make SpiderMonkey's const extension JS2/ES4 compatible
260106	brendan@mozilla.org	wip-patch	elisions in array literals should not create properties (js1_5/Array/11.1.4.js)
312354	brendan@mozilla.org	FIXED	Assignment expressions have wrong type (ecma_3/Operators/11.13.1-002.js)
363534	brendan@mozilla.org	FIXED	Combine JSOP_LT and JSOP_IFEQ, etc., pairs
384244	crowder@fiverocks.com	wip-patch	update jsdtoa with interesting pieces of more-recent dtoa
433351	crowder@fiverocks.com		Implement Object.extend
442379	dmandelin@mozilla.com	wip-patch	try inline-threading, at least with GCC if not MSVC
305064	general@js.bugs		Add trim, ltrim, and rtrim features for javascript strings
352437	general@js.bugs		string.link does not escape url
429507	general@js.bugs		Function.prototype.bind
411575	igor@mir2.org	FIXED	js_PutCallObject() is slow.
432881	igor@mir2.org	FIXED	SM: JSVAL_VOID as a pseudo-boolean
443746	igor@mir2.org	FIXED	Optimizing the enumeration state allocation
346749	mrbkap@gmail.com	still_want?	let declarations at top level are turned into var declarations
442358	mrbkap@gmail.com	FIXED	jsinterp control flow doesn't flow as specified
312116	nobody@mozilla.org		should support catchall getters/setters
419225	sayrer@gmail.com	wip-patch	refactor ExecuteREBytecode and SimpleMatch
430930	sayrer@gmail.com		Date.parse cannot even parse "2008-04-26" (should understand ISO 8601)
419743	shaver@mozilla.org	wip-patch	JSOP_CONCATN for improved chained-concat performance
433335	shaver@mozilla.org		mark sharp object avoidance
433336	shaver@mozilla.org		array iteration optimization

Mobile 1.9.1 Update

• DirectFB port
  • Code in good shape, needs a final review and to be landed on mozilla-central
• bug 437948 Geolocation
  • Dougt has a patch to add geolocation support to the DOM.
• bug 436083 Viewport meta tag support
  • Bobby has a patch together than hooks in to Fennec to support Apple's proposed viewport meta tag

General 1.9.1 Updates

• offline, dcamp:
  • Last week:
    • Versioned app cache patch attached 442806 (with some followups in the dependencies). Waiting for review.
    • Opportunistic/fallback caching namespace patch attached 442813. One round of review done, waiting on a new patch.
    • Test suite started 443017. Some review done, will need an updated patch.
    • Image requests/caching will be an issue, see bug 442809
  • This week:
    • Not much change - have a few more reviews and revisions of the patches above. Will need to redo the patch for 442809 to work with the changes in patch 430061.

• GSoc Windows Text Services Framework
  • Seems to be making significant progress without much help:

http://wiki.mozilla.org/Community:SummerOfCode08:TSF

mozilla-central

• Unit test stability on Central (schrep)
• Need a query facility, like bonsai. Status?
  • Need pushlog code updated on hg.mozilla.org to use new sqlite backend bug 437637, then pushlog web extension needs query support added bug 437445
• Cycle times are seemingly slower on moz-central (about an hour slower). Need to look into this. John O to investigate. Sorry, no chance to investigate yet. (01july2008)