diff options
Diffstat (limited to 'third_party/libpng16/pngpriv.h')
| -rw-r--r-- | third_party/libpng16/pngpriv.h | 60 |
1 files changed, 57 insertions, 3 deletions
diff --git a/third_party/libpng16/pngpriv.h b/third_party/libpng16/pngpriv.h index 58d3aa8159..9ea023fea7 100644 --- a/third_party/libpng16/pngpriv.h +++ b/third_party/libpng16/pngpriv.h @@ -1,8 +1,8 @@ /* pngpriv.h - private declarations for use inside libpng * - * Last changed in libpng 1.6.18 [July 23, 2015] - * Copyright (c) 1998-2015 Glenn Randers-Pehrson + * Last changed in libpng 1.6.22 [May 26, 2016] + * Copyright (c) 1998-2002,2004,2006-2016 Glenn Randers-Pehrson * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.) * @@ -127,7 +127,7 @@ */ # if (defined(__ARM_NEON__) || defined(__ARM_NEON)) && \ defined(PNG_ALIGNED_MEMORY_SUPPORTED) -# define PNG_ARM_NEON_OPT 0 +# define PNG_ARM_NEON_OPT 2 # else # define PNG_ARM_NEON_OPT 0 # endif @@ -182,6 +182,42 @@ # endif #endif /* PNG_ARM_NEON_OPT > 0 */ +#ifndef PNG_INTEL_SSE_OPT +# ifdef PNG_INTEL_SSE + /* Only check for SSE if the build configuration has been modified to + * enable SSE optimizations. This means that these optimizations will + * be off by default. See contrib/intel for more details. + */ +# if defined(__SSE4_1__) || defined(__AVX__) || defined(__SSSE3__) || \ + defined(__SSE2__) || defined(_M_X64) || defined(_M_AMD64) || \ + (defined(_M_IX86_FP) && _M_IX86_FP >= 2) +# define PNG_INTEL_SSE_OPT 1 +# endif +# endif +#endif + +#if PNG_INTEL_SSE_OPT > 0 +# ifndef PNG_INTEL_SSE_IMPLEMENTATION +# if defined(__SSE4_1__) || defined(__AVX__) + /* We are not actually using AVX, but checking for AVX is the best + way we can detect SSE4.1 and SSSE3 on MSVC. + */ +# define PNG_INTEL_SSE_IMPLEMENTATION 3 +# elif defined(__SSSE3__) +# define PNG_INTEL_SSE_IMPLEMENTATION 2 +# elif defined(__SSE2__) || defined(_M_X64) || defined(_M_AMD64) || \ + (defined(_M_IX86_FP) && _M_IX86_FP >= 2) +# define PNG_INTEL_SSE_IMPLEMENTATION 1 +# else +# define PNG_INTEL_SSE_IMPLEMENTATION 0 +# endif +# endif + +# if PNG_INTEL_SSE_IMPLEMENTATION > 0 +# define PNG_FILTER_OPTIMIZATIONS png_init_filter_functions_sse2 +# endif +#endif + /* Is this a build of a DLL where compilation of the object modules requires * different preprocessor settings to those required for a simple library? If * so PNG_BUILD_DLL must be set. @@ -1189,6 +1225,19 @@ PNG_INTERNAL_FUNCTION(void,png_read_filter_row_paeth3_neon,(png_row_infop PNG_INTERNAL_FUNCTION(void,png_read_filter_row_paeth4_neon,(png_row_infop row_info, png_bytep row, png_const_bytep prev_row),PNG_EMPTY); +PNG_INTERNAL_FUNCTION(void,png_read_filter_row_sub3_sse2,(png_row_infop + row_info, png_bytep row, png_const_bytep prev_row),PNG_EMPTY); +PNG_INTERNAL_FUNCTION(void,png_read_filter_row_sub4_sse2,(png_row_infop + row_info, png_bytep row, png_const_bytep prev_row),PNG_EMPTY); +PNG_INTERNAL_FUNCTION(void,png_read_filter_row_avg3_sse2,(png_row_infop + row_info, png_bytep row, png_const_bytep prev_row),PNG_EMPTY); +PNG_INTERNAL_FUNCTION(void,png_read_filter_row_avg4_sse2,(png_row_infop + row_info, png_bytep row, png_const_bytep prev_row),PNG_EMPTY); +PNG_INTERNAL_FUNCTION(void,png_read_filter_row_paeth3_sse2,(png_row_infop + row_info, png_bytep row, png_const_bytep prev_row),PNG_EMPTY); +PNG_INTERNAL_FUNCTION(void,png_read_filter_row_paeth4_sse2,(png_row_infop + row_info, png_bytep row, png_const_bytep prev_row),PNG_EMPTY); + /* Choose the best filter to use and filter the row data */ PNG_INTERNAL_FUNCTION(void,png_write_find_filter,(png_structrp png_ptr, png_row_infop row_info),PNG_EMPTY); @@ -1915,8 +1964,13 @@ PNG_INTERNAL_FUNCTION(void, PNG_FILTER_OPTIMIZATIONS, (png_structp png_ptr, */ PNG_INTERNAL_FUNCTION(void, png_init_filter_functions_neon, (png_structp png_ptr, unsigned int bpp), PNG_EMPTY); +PNG_INTERNAL_FUNCTION(void, png_init_filter_functions_sse2, + (png_structp png_ptr, unsigned int bpp), PNG_EMPTY); #endif +PNG_INTERNAL_FUNCTION(png_uint_32, png_check_keyword, (png_structrp png_ptr, + png_const_charp key, png_bytep new_key), PNG_EMPTY); + /* Maintainer: Put new private prototypes here ^ */ #include "pngdebug.h" |