diff options
Diffstat (limited to 'thirdparty/libpng/pngpriv.h')
| -rw-r--r-- | thirdparty/libpng/pngpriv.h | 120 |
1 files changed, 28 insertions, 92 deletions
diff --git a/thirdparty/libpng/pngpriv.h b/thirdparty/libpng/pngpriv.h index 57e1bf989b..2e426cf47d 100644 --- a/thirdparty/libpng/pngpriv.h +++ b/thirdparty/libpng/pngpriv.h @@ -1,7 +1,7 @@ /* pngpriv.h - private declarations for use inside libpng * - * Copyright (c) 2018-2019 Cosmin Truta + * Copyright (c) 2018-2022 Cosmin Truta * Copyright (c) 1998-2002,2004,2006-2018 Glenn Randers-Pehrson * Copyright (c) 1996-1997 Andreas Dilger * Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc. @@ -174,7 +174,7 @@ # else /* !defined __ARM_NEON__ */ /* The 'intrinsics' code simply won't compile without this -mfpu=neon: */ -# if !defined(__aarch64__) +# if !defined(__aarch64__) && !defined(_M_ARM64) /* The assembler code currently does not work on ARM64 */ # define PNG_ARM_NEON_IMPLEMENTATION 2 # endif /* __aarch64__ */ @@ -185,6 +185,8 @@ /* Use the intrinsics code by default. */ # define PNG_ARM_NEON_IMPLEMENTATION 1 # endif +#else /* PNG_ARM_NEON_OPT == 0 */ +# define PNG_ARM_NEON_IMPLEMENTATION 0 #endif /* PNG_ARM_NEON_OPT > 0 */ #ifndef PNG_MIPS_MSA_OPT @@ -263,11 +265,15 @@ # ifndef PNG_MIPS_MSA_IMPLEMENTATION # define PNG_MIPS_MSA_IMPLEMENTATION 1 # endif +#else +# define PNG_MIPS_MSA_IMPLEMENTATION 0 #endif /* PNG_MIPS_MSA_OPT > 0 */ #if PNG_POWERPC_VSX_OPT > 0 # define PNG_FILTER_OPTIMIZATIONS png_init_filter_functions_vsx # define PNG_POWERPC_VSX_IMPLEMENTATION 1 +#else +# define PNG_POWERPC_VSX_IMPLEMENTATION 0 #endif @@ -492,16 +498,7 @@ static_cast<type>(static_cast<const void*>(value)) #else # define png_voidcast(type, value) (value) -# ifdef _WIN64 -# ifdef __GNUC__ - typedef unsigned long long png_ptruint; -# else - typedef unsigned __int64 png_ptruint; -# endif -# else - typedef unsigned long png_ptruint; -# endif -# define png_constcast(type, value) ((type)(png_ptruint)(const void*)(value)) +# define png_constcast(type, value) ((type)(void*)(const void*)(value)) # define png_aligncast(type, value) ((void*)(value)) # define png_aligncastconst(type, value) ((const void*)(value)) #endif /* __cplusplus */ @@ -543,9 +540,8 @@ # include <alloc.h> #endif -#if defined(WIN32) || defined(_Windows) || defined(_WINDOWS) || \ - defined(_WIN32) || defined(__WIN32__) -# include <windows.h> /* defines _WINDOWS_ macro */ +#if defined(_WIN32) || defined(__WIN32__) || defined(__NT__) +# include <windows.h> #endif #endif /* PNG_VERSION_INFO_ONLY */ @@ -554,24 +550,20 @@ * functions that are passed far data must be model-independent. */ -/* Memory model/platform independent fns */ +/* Platform-independent functions */ #ifndef PNG_ABORT -# ifdef _WINDOWS_ -# define PNG_ABORT() ExitProcess(0) -# else -# define PNG_ABORT() abort() -# endif +# define PNG_ABORT() abort() #endif /* These macros may need to be architecture dependent. */ -#define PNG_ALIGN_NONE 0 /* do not use data alignment */ -#define PNG_ALIGN_ALWAYS 1 /* assume unaligned accesses are OK */ +#define PNG_ALIGN_NONE 0 /* do not use data alignment */ +#define PNG_ALIGN_ALWAYS 1 /* assume unaligned accesses are OK */ #ifdef offsetof -# define PNG_ALIGN_OFFSET 2 /* use offsetof to determine alignment */ +# define PNG_ALIGN_OFFSET 2 /* use offsetof to determine alignment */ #else # define PNG_ALIGN_OFFSET -1 /* prevent the use of this */ #endif -#define PNG_ALIGN_SIZE 3 /* use sizeof to determine alignment */ +#define PNG_ALIGN_SIZE 3 /* use sizeof to determine alignment */ #ifndef PNG_ALIGN_TYPE /* Default to using aligned access optimizations and requiring alignment to a @@ -585,26 +577,25 @@ /* This is used because in some compiler implementations non-aligned * structure members are supported, so the offsetof approach below fails. * Set PNG_ALIGN_SIZE=0 for compiler combinations where unaligned access - * is good for performance. Do not do this unless you have tested the result - * and understand it. + * is good for performance. Do not do this unless you have tested the + * result and understand it. */ -# define png_alignof(type) (sizeof (type)) +# define png_alignof(type) (sizeof(type)) #else # if PNG_ALIGN_TYPE == PNG_ALIGN_OFFSET -# define png_alignof(type) offsetof(struct{char c; type t;}, t) +# define png_alignof(type) offsetof(struct{char c; type t;}, t) # else -# if PNG_ALIGN_TYPE == PNG_ALIGN_ALWAYS -# define png_alignof(type) (1) -# endif - /* Else leave png_alignof undefined to prevent use thereof */ +# if PNG_ALIGN_TYPE == PNG_ALIGN_ALWAYS +# define png_alignof(type) 1 +# endif + /* Else leave png_alignof undefined to prevent use thereof */ # endif #endif -/* This implicitly assumes alignment is always to a power of 2. */ +/* This implicitly assumes alignment is always a multiple of 2. */ #ifdef png_alignof -# define png_isaligned(ptr, type)\ - (((type)((const char*)ptr-(const char*)0) & \ - (type)(png_alignof(type)-1)) == 0) +# define png_isaligned(ptr, type) \ + (((type)(size_t)((const void*)(ptr)) & (type)(png_alignof(type)-1)) == 0) #else # define png_isaligned(ptr, type) 0 #endif @@ -637,10 +628,6 @@ #define PNG_HAVE_CHUNK_AFTER_IDAT 0x2000U /* Have another chunk after IDAT */ /* 0x4000U (unused) */ #define PNG_IS_READ_STRUCT 0x8000U /* Else is a write struct */ -#ifdef PNG_APNG_SUPPORTED -#define PNG_HAVE_acTL 0x10000U -#define PNG_HAVE_fcTL 0x20000U -#endif /* Flags for the transformations the PNG library does on the image data */ #define PNG_BGR 0x0001U @@ -877,16 +864,6 @@ #define png_tRNS PNG_U32(116, 82, 78, 83) #define png_zTXt PNG_U32(122, 84, 88, 116) -#ifdef PNG_APNG_SUPPORTED -#define png_acTL PNG_U32( 97, 99, 84, 76) -#define png_fcTL PNG_U32(102, 99, 84, 76) -#define png_fdAT PNG_U32(102, 100, 65, 84) - -/* For png_struct.apng_flags: */ -#define PNG_FIRST_FRAME_HIDDEN 0x0001U -#define PNG_APNG_APP 0x0002U -#endif - /* The following will work on (signed char*) strings, whereas the get_uint_32 * macro will fail on top-bit-set values because of the sign extension. */ @@ -1658,47 +1635,6 @@ PNG_INTERNAL_FUNCTION(void,png_colorspace_sync,(png_const_structrp png_ptr, */ #endif -#ifdef PNG_APNG_SUPPORTED -PNG_INTERNAL_FUNCTION(void,png_ensure_fcTL_is_valid,(png_structp png_ptr, - png_uint_32 width, png_uint_32 height, - png_uint_32 x_offset, png_uint_32 y_offset, - png_uint_16 delay_num, png_uint_16 delay_den, - png_byte dispose_op, png_byte blend_op), PNG_EMPTY); - -#ifdef PNG_READ_APNG_SUPPORTED -PNG_INTERNAL_FUNCTION(void,png_handle_acTL,(png_structp png_ptr, png_infop info_ptr, - png_uint_32 length),PNG_EMPTY); -PNG_INTERNAL_FUNCTION(void,png_handle_fcTL,(png_structp png_ptr, png_infop info_ptr, - png_uint_32 length),PNG_EMPTY); -PNG_INTERNAL_FUNCTION(void,png_handle_fdAT,(png_structp png_ptr, png_infop info_ptr, - png_uint_32 length),PNG_EMPTY); -PNG_INTERNAL_FUNCTION(void,png_have_info,(png_structp png_ptr, png_infop info_ptr),PNG_EMPTY); -PNG_INTERNAL_FUNCTION(void,png_ensure_sequence_number,(png_structp png_ptr, - png_uint_32 length),PNG_EMPTY); -PNG_INTERNAL_FUNCTION(void,png_read_reset,(png_structp png_ptr),PNG_EMPTY); -PNG_INTERNAL_FUNCTION(void,png_read_reinit,(png_structp png_ptr, - png_infop info_ptr),PNG_EMPTY); -#ifdef PNG_PROGRESSIVE_READ_SUPPORTED -PNG_INTERNAL_FUNCTION(void,png_progressive_read_reset,(png_structp png_ptr),PNG_EMPTY); -#endif /* PNG_PROGRESSIVE_READ_SUPPORTED */ -#endif /* PNG_READ_APNG_SUPPORTED */ - -#ifdef PNG_WRITE_APNG_SUPPORTED -PNG_INTERNAL_FUNCTION(void,png_write_acTL,(png_structp png_ptr, - png_uint_32 num_frames, png_uint_32 num_plays),PNG_EMPTY); -PNG_INTERNAL_FUNCTION(void,png_write_fcTL,(png_structp png_ptr, - png_uint_32 width, png_uint_32 height, - png_uint_32 x_offset, png_uint_32 y_offset, - png_uint_16 delay_num, png_uint_16 delay_den, - png_byte dispose_op, png_byte blend_op),PNG_EMPTY); -PNG_INTERNAL_FUNCTION(void,png_write_fdAT,(png_structp png_ptr, - png_const_bytep data, png_size_t length),PNG_EMPTY); -PNG_INTERNAL_FUNCTION(void,png_write_reset,(png_structp png_ptr),PNG_EMPTY); -PNG_INTERNAL_FUNCTION(void,png_write_reinit,(png_structp png_ptr, - png_infop info_ptr, png_uint_32 width, png_uint_32 height),PNG_EMPTY); -#endif /* PNG_WRITE_APNG_SUPPORTED */ -#endif /* PNG_APNG_SUPPORTED */ - /* Added at libpng version 1.4.0 */ #ifdef PNG_COLORSPACE_SUPPORTED /* These internal functions are for maintaining the colorspace structure within |