Platform/GFX/2008-July-22

index

• Conference ID 217

Status Updates

• Vlad
  • border fun: ready to land
  • cairo upgrade: ready to land
  • looking at DirectFB merging this week

• Joe
  • image caching patch (review waiting on Stuart)
  • removing photon/beos/etc. in preparation for removing nsIImage

• Jeff
  • landed fix to device offset bug
  • landed fbOver speedup patch
  • measured performance of pixman image scaling vs. old imgScaler.cpp.
    • pixman is about 4.5x slower.
    • have hacky patch to integrate imgScaler.cpp into pixman (will need lots of cleanup)
  • SSE2 blur code is a little faster (42135ms vs 45007ms), but no rush to clean it up for merge
  • building a little demo to see what type of graphic performance the n810 is capable of
  • look into running existing graphics benchmarks on n810

• Bobby
  • Precaching patch in review process with joe. Takes us from 20% to 10% regression on talos tp
  • Wrote sse2 implementation of matrixmul. Currently debugging. Perf testing the broken version shows about a 30% reduction in overall perf hit of CM (artificial numbers go from 20%->13.5%)
  • intent patch reviewed and ready for checkin
  • glenn just posted something about how libpng might leak with cm using the current version. Mentioned something about apng? He put it as a blocker for CM.
  • Chris Murphy has some concerns that a lot of mac profiles might be from bogus data. Not sure how much we care.

• Rob
  • Double buffer patch for vista caused flickering, now needs compositor for a proper fix :(
  • Super-secret intern project has been reclaimed by Vlad
  • Looked into reverse engineering WPF glyph rasterization API
  • Aero glass
    • I unbitrotted the patch for the layout bug
    • Fallback code is better handled in CSS. But that requires that I be...
    • Working on a new bug to expose metric changes (DWM/default theme in particular) to CSS

• Eric
  • Landed Canvas text bidi
  • Canvas Cairo->Thebes conversion nearly ready to land
  • Updating Canvas mochitests

Triage

• Take a look through http://tinyurl.com/4zv2kn -- lots of nobodys, pick off bugs that are in your area