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[libpng17] Ported recent changes from libpng16 to libpng17

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Fixed 'minimal' builds. Various obviously useful minimal configurations
  don't build because of missing contrib/libtests test programs and overly
  complex dependencies in scripts/pnglibconf.dfa. This change adds
  contrib/conftest/*.dfa files that can be used in automatic build
  scripts to ensure that these configurations continue to build.
Enabled WRITE_INVERT and WRITE_PACK in contrib/pngminim/encoder.
This commit is contained in:
John Bowler
2013-11-22 17:41:20 -06:00
committed by Glenn Randers-Pehrson
parent 81824079b5
commit 7e2707e2af
35 changed files with 738 additions and 271 deletions
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5
arm/filter_neon.S
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@@ -3,7 +3,7 @@
*
* Copyright (c) 2013 Glenn Randers-Pehrson
* Written by Mans Rullgard, 2011.
* Last changed in libpng 1.6.7 [(PENDING RELEASE)]
* Last changed in libpng 1.6.8 [(PENDING RELEASE)]
*
* This code is released under the libpng license.
* For conditions of distribution and use, see the disclaimer
@@ -11,7 +11,8 @@
*/
/* This is required to get the symbol renames, which are #defines, and also
* includes the definition (or not) of PNG_ARM_NEON_OPT.
* includes the definition (or not) of PNG_ARM_NEON_OPT and
* PNG_ARM_NEON_IMPLEMENTATION.
*/
#define PNG_VERSION_INFO_ONLY
#include "../pngpriv.h"

4
arm/filter_neon_intrinsics.c
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@@ -5,7 +5,7 @@
* Written by James Yu <james.yu at linaro.org>, October 2013.
* Based on filter_neon.S, written by Mans Rullgard, 2011.
*
* Last changed in libpng 1.6.7 [(PENDING RELEASE)]
* Last changed in libpng 1.6.8 [(PENDING RELEASE)]
*
* This code is released under the libpng license.
* For conditions of distribution and use, see the disclaimer
@@ -15,7 +15,7 @@
#include "../pngpriv.h"
/* This code requires -mfpu=neon on the command line: */
#if PNG_ARM_NEON_IMPLEMENTATION == 1 /* intrinsics code */
#if PNG_ARM_NEON_IMPLEMENTATION == 1 /* intrinsics code from pngpriv.h */
#include <arm_neon.h>