diff options
Diffstat (limited to 'pngconf.h')
| -rw-r--r-- | pngconf.h | 11 |
1 files changed, 9 insertions, 2 deletions
@@ -1,7 +1,7 @@ /* pngconf.h - machine configurable file for libpng * - * libpng version 1.0.22 - November 28, 2006 + * libpng version 1.0.23rc1 - December 18, 2006 * For conditions of distribution and use, see copyright notice in png.h * Copyright (c) 1998-2005 Glenn Randers-Pehrson * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) @@ -715,7 +715,14 @@ #endif /* PNG_ASSEMBLER_CODE was enabled by default in version 1.2.0 - even when PNG_USE_PNGVCRD or PNG_USE_PNGGCCRD is not defined */ + * even when PNG_USE_PNGVCRD or PNG_USE_PNGGCCRD is not defined. + * + * PNG_NO_ASSEMBLER_CODE disables use of all assembler code and optimized C, + * and removes or includes several functions in the API. + * + * PNG_NO_MMX_CODE disables the use of MMX code without changing the API. + * When MMX code is off, then optimized C replacement functions are used. +*/ #if defined(PNG_READ_SUPPORTED) && !defined(PNG_NO_ASSEMBLER_CODE) # ifndef PNG_ASSEMBLER_CODE_SUPPORTED # define PNG_ASSEMBLER_CODE_SUPPORTED |