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d2d09e5bf9
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21 Commits

Author SHA1 Message Date
Glenn Randers-Pehrson
d2d09e5bf9 [libpng16] Imported from libpng-1.6.7rc01.tar 2013-11-02 15:48:28 -05:00
John Bowler
fd8bba4b80 [libpng16] Changed NEON implementation selection mechanism to allow assembler 
or intrinsics to be turned on during the build by defining
PNG_ARM_NEON_IMPLEMENTATION to the correct value (2 or 1).  The
default is "undefined" and the build type is selected in pngpriv.h.
 2013-10-25 16:11:57 -05:00
John Bowler
db9d96840d [libpng16] Cleaned up ARM NEON compilation handling. The tests are now in 
pngpriv.h and detect the broken GCC compilers.
 2013-10-18 15:28:00 -05:00
John Bowler
83a841ab7c [libpng16] Fix compilation errors in filter_neon_intrinsics.c 
Use filter_neon_intrinsics.c in preference to filter_neon.S when possible.
 2013-10-15 21:19:56 -05:00
Glenn Randers-Pehrson
847e9efb66 [libpng16] Imported from libpng-1.6.3.tar 2013-07-17 19:13:23 -05:00
John Bowler
497e7319f4 [libpng16] Only compile ARM code when PNG_READ_SUPPORTED is defined. 2013-07-02 22:57:40 -05:00
Glenn Randers-Pehrson
746bc7d883 [libpng16] Imported from libpng-1.6.3beta07.tar 2013-06-08 17:03:26 -05:00
John Bowler
18dd07e3e6 [libpng16] Removed PNG_FILTER_OPTIMIZATIONS and PNG_ARM_NEON_SUPPORTED from 
pnglibconf.h, allowing more of the decisions to be made internally
(pngpriv.h) during the compile.  Without this, symbol prefixing is broken
under certain circumstances on ARM platforms.  Now only the API parts of
the optimizations ('check' vs 'api') are exposed in the public header files
except that the new setting PNG_ARM_NEON_OPT documents how libpng makes the
decision about whether or not to use the optimizations.
 2013-06-08 13:07:13 -05:00
Glenn Randers-Pehrson
34d20f482f [libpng16] Revised stack marking in arm/filter_neon.S and configure.ac. 2013-04-25 09:53:57 -05:00
Glenn Randers-Pehrson
a793120405 [libpng16] Bump version to 1.6.2rc03 2013-04-23 22:03:44 -05:00
Glenn Randers-Pehrson
0d50d6562c [libpng16] Imported from libpng-1.6.2rc04.tar 2013-04-22 20:29:18 -05:00
Glenn Randers-Pehrson
453fbf942c [libpng16] Revised stack marking in arm/filter_neon.S 2013-04-22 19:48:05 -05:00
Glenn Randers-Pehrson
871b1d0fab [libpng16] Bump version to 1.6.1beta05 2013-03-02 15:03:15 -06:00
Glenn Randers-Pehrson
f3af706c2a [libpng16] Imported from libpng-1.6.0beta05.tar 2013-03-01 21:38:03 -06:00
John Bowler
09a5ca72ac [libpng16] Allow run-time ARM NEON checking to be disabled. A new configure 
option:
    --enable-arm-neon=always will stop the run-time checks. New checks
    within arm/arm_init.c will cause the code not to be compiled unless
    __ARM_NEON__ is set. This should make it fail safe (if someone asks
    for it on then the build will fail if it can't be done.)
Fixed ALIGNED_MEMORY support.
 2013-02-18 22:30:35 -06:00
John Bowler
9d2e875826 [libpng16] Made symbol prefixing work with the ARM neon optimizations. Also allow pngpriv.h 
to be included for preprocessor definitions only, so it can be used in non-C/C++
files. Back ported from libpng 1.7.
 2013-02-15 23:21:42 -06:00
John Bowler
6cf32b460f [libpng16] Rearranged the ARM-NEON optimizations: Isolated the machine specific 
code to the hardware subdirectory and added comments to pngrutil.c so that
implementors of other optimizations know what to do.
 2012-12-15 07:55:54 -06:00
John Bowler
f758d6c813 [libpng16] Rearranged the ARM-NEON optimizations: Isolated the machine specific 
code to the hardware subdirectory and added comments to pngrutil.c so that
implementors of other optimizations know what to do.
 2012-12-13 11:26:50 -06:00
Glenn Randers-Pehrson
e0bcbfd0fd [libpng15] Imported from libpng-1.5.7beta03.tar 2011-11-16 23:14:06 -06:00
Glenn Randers-Pehrson
c2d8399581 [libpng15] Bump version to libpng-1.5.7beta03 2011-11-16 14:35:41 -06:00
Mans Rullgard
d3a94802d8 [libpng15] Added support for ARM processor (Mans Rullgard) 2011-11-03 00:47:55 -05:00