809821 - Update libpixman to 0.29.2

Status: RESOLVED FIXED

(Core :: Graphics, defect)

Description

[Loic]

libpixman 0.28.0 is available, see http://www.cairographics.org/releases/

Comment 1

[A, T]

A conveniently placed changelog would have been great to include:

http://lists.x.org/archives/xorg-announce/2012-November/002094.html

Comment 2

[Jeff Muizelaar [:jrmuizel]]

FWIW, the majority of the changes have already been merged in.

Comment 3

[NVD]

http://lists.cairographics.org/archives/cairo-announce/2012-December/000208.html

libpixman 0.28.2 released.

Log:
	Benjamin Gilbert (1):
	      Fix thread safety on mingw-w64 and clang
	
	Joshua Root (1):
	      Fix undeclared variable use and sysctlbyname error handling on ppc
	
	Stefan Weil (1):
	      Always use xmmintrin.h for 64 bit Windows
	
	Søren Sandmann Pedersen (2):
	      Post-release version bump to 0.28.1
	      Pre-release version bump to 0.28.2

Comment 4

[fxtech]

PS: question , is it able to use SSE2 code path even on windows 32bit build ? we have real performance measurable improvment from the pixman improve ?


http://lists.cairographics.org/archives/cairo-announce/2013-January/000210.html

Libpixman 0.29.2 released

A new pixman release 0.29.2 is now available. This is the first
development snapshot leading up to a stable 0.30.0 release.

News in this release:

* Assembly optimizations for the Raspberry Pi and other ARMv6 chips
  [Ben Avison]

* Comprehensive support for high-quality image resampling filters
  [Søren Sandmann]

* Improved precision for matrix arithmetic [Siarhei Siamashka]

Other news include optimizations in the SSE2 backend [Chris Wilson],
in the MIPS DSPr2 backend [Nemanja Lukic], and in the generic C
backend [Siarhei Siamashka], plus a number of bug fixes and
improvements to the test suite.

Comment 5

[Jeff Muizelaar [:jrmuizel]]

The intention is to update gradually to make bisection easier

Comment 6

[Joe Drew (not getting mail)]

(In reply to fxtech from comment #4)
> PS: question , is it able to use SSE2 code path even on windows 32bit build
> ?

Yes, it's enabled at run time for processors that support it.

Comment 7

[Jeff Muizelaar [:jrmuizel]]

Actually, I confused this bug with bug 836171

Comment 8

[Jeff Muizelaar [:jrmuizel]]

https://hg.mozilla.org/integration/mozilla-inbound/rev/46897ceac253

Comment 9

[Gregory Szorc [:gps]]

https://hg.mozilla.org/mozilla-central/rev/46897ceac253

Comment 10

[Jeff Muizelaar [:jrmuizel]]

This gives a bunch of improvements to blitting performance on armv6 along with some x86 improvements.

Comment 11

[fxtech]

there is a way to discover when azure going on fallback in cairo ?

Comment 12

[Jeff Muizelaar [:jrmuizel]]

Not really.