diff options
| author | Glenn Randers-Pehrson <glennrp@shaggy.simplesystems.org> | 2011-10-06 21:54:17 -0500 |
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| committer | Glenn Randers-Pehrson <glennrp@shaggy.simplesystems.org> | 2011-10-06 21:54:17 -0500 |
| commit | 65c0339b5c73dcc29f19896dd310c4491df62677 (patch) | |
| tree | 39d89bda7b637cdc863ab6c48e030f4c818a22a3 /ANNOUNCE | |
| parent | 4daae301744199a01f2c506a239b8d20576e6b37 (diff) | |
| download | libpng-65c0339b5c73dcc29f19896dd310c4491df62677.tar.gz | |
[libpng15] Speed up png_combine_row() for interlaced images. This reduces the
generality of the code, allowing it to be optimized for Adam7 interlace. The
masks passed to png_combine_row() are now generated internally, avoiding
some code duplication and localizing the interlace handling somewhat.
Diffstat (limited to 'ANNOUNCE')
| -rw-r--r-- | ANNOUNCE | 10 |
1 files changed, 6 insertions, 4 deletions
@@ -1,5 +1,5 @@ -Libpng 1.5.6beta05 - October 6, 2011 +Libpng 1.5.6beta05 - October 7, 2011 This is not intended to be a public release. It will be replaced within a few weeks by a public version or by another test version. @@ -55,9 +55,11 @@ Version 1.5.6beta03 [September 28, 2011] Version 1.5.6beta04 [October 5, 2011] Fixed typo in Makefile.in and Makefile.am ("-M Wl" should be "-M -Wl")." -Version 1.5.6beta05 [October 6, 2011] - Replaced a short but frequently-used memcpy() in png_combine_row() with - a loop. +Version 1.5.6beta05 [October 7, 2011] + Speed up png_combine_row() for interlaced images. This reduces the generality + of the code, allowing it to be optimized for Adam7 interlace. The masks + passed to png_combine_row() are now generated internally, avoiding + some code duplication and localizing the interlace handling somewhat. Send comments/corrections/commendations to png-mng-implement at lists.sf.net: (subscription required; visit |