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Imported from libpng-1.2.15beta4.tar

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This commit is contained in:
Glenn Randers-Pehrson
2006-12-06 22:06:25 -06:00
parent 948ee23a2a
commit 05db10fda3
52 changed files with 303 additions and 150 deletions
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24
pngget.c
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@@ -829,12 +829,13 @@ png_get_compression_buffer_size(png_structp png_ptr)
}
#endif
#ifdef PNG_ASSEMBLER_CODE_SUPPORTED
#ifndef PNG_1_0_X
/* this function was added to libpng 1.2.0 and should exist by default */
png_uint_32 PNGAPI
png_get_asm_flags (png_structp png_ptr)
{
#ifdef PNG_ASSEMBLER_CODE_SUPPORTED
#ifdef PNG_MMX_CODE_SUPPORTED
return (png_uint_32)(png_ptr? png_ptr->asm_flags : 0L);
#else
return (png_ptr? 0L: 0L);
@@ -845,7 +846,7 @@ png_get_asm_flags (png_structp png_ptr)
png_uint_32 PNGAPI
png_get_asm_flagmask (int flag_select)
{
#ifdef PNG_ASSEMBLER_CODE_SUPPORTED
#ifdef PNG_MMX_CODE_SUPPORTED
png_uint_32 settable_asm_flags = 0;
if (flag_select & PNG_SELECT_READ)
@@ -867,8 +868,8 @@ png_get_asm_flagmask (int flag_select)
return settable_asm_flags; /* _theoretically_ settable capabilities only */
#else
return (png_ptr? 0L: 0L);
#endif /* PNG_ASSEMBLER_CODE_SUPPORTED */
return (0L);
#endif /* PNG_MMX_CODE_SUPPORTED */
}
@@ -877,7 +878,7 @@ png_get_asm_flagmask (int flag_select)
png_uint_32 PNGAPI
png_get_mmx_flagmask (int flag_select, int *compilerID)
{
#if defined(PNG_ASSEMBLER_CODE_SUPPORTED)
#if defined(PNG_MMX_CODE_SUPPORTED)
png_uint_32 settable_mmx_flags = 0;
if (flag_select & PNG_SELECT_READ)
@@ -909,32 +910,33 @@ png_get_mmx_flagmask (int flag_select, int *compilerID)
return settable_mmx_flags; /* _theoretically_ settable capabilities only */
#else
return (png_ptr? 0L: 0L);
#endif /* ?PNG_ASSEMBLER_CODE_SUPPORTED */
return (0L);
#endif /* ?PNG_MMX_CODE_SUPPORTED */
}
/* this function was added to libpng 1.2.0 */
png_byte PNGAPI
png_get_mmx_bitdepth_threshold (png_structp png_ptr)
{
#if defined(PNG_ASSEMBLER_CODE_SUPPORTED)
#if defined(PNG_MMX_CODE_SUPPORTED)
return (png_byte)(png_ptr? png_ptr->mmx_bitdepth_threshold : 0);
#else
return (png_ptr? 0: 0);
#endif /* ?PNG_ASSEMBLER_CODE_SUPPORTED */
#endif /* ?PNG_MMX_CODE_SUPPORTED */
}
/* this function was added to libpng 1.2.0 */
png_uint_32 PNGAPI
png_get_mmx_rowbytes_threshold (png_structp png_ptr)
{
#if defined(PNG_ASSEMBLER_CODE_SUPPORTED)
#if defined(PNG_MMX_CODE_SUPPORTED)
return (png_uint_32)(png_ptr? png_ptr->mmx_rowbytes_threshold : 0L);
#else
return (png_ptr? 0L: 0L);
#endif /* ?PNG_ASSEMBLER_CODE_SUPPORTED */
#endif /* ?PNG_MMX_CODE_SUPPORTED */
}
#endif /* ?PNG_1_0_X */
#endif /* ?PNG_ASSEMBLER_CODE_SUPPORTED */
#ifdef PNG_SET_USER_LIMITS_SUPPORTED
/* these functions were added to libpng 1.2.6 */