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Imported from libpng-1.2.4rc1.tar

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This commit is contained in:
Glenn Randers-Pehrson
2002-07-01 22:23:46 -05:00
parent d020e9d826
commit 2ae022da7e
63 changed files with 332 additions and 158 deletions
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28
pnggccrd.c
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@@ -6,7 +6,7 @@
* and http://www.intel.com/drg/pentiumII/appnotes/923/923.htm
* for Intel's performance analysis of the MMX vs. non-MMX code.
*
* libpng version 1.2.4beta3 - June 28, 2002
* libpng version 1.2.4rc1 - July 2, 2002
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2002 Glenn Randers-Pehrson
* Copyright (c) 1998, Intel Corporation
@@ -1504,8 +1504,10 @@ png_do_read_interlace(png_structp png_ptr)
#if defined(PNG_ASSEMBLER_CODE_SUPPORTED)
if (_mmx_supported == 2) {
#if !defined(PNG_1_0_X)
/* this should have happened in png_init_mmx_flags() already */
png_warning(png_ptr, "asm_flags may not have been initialized");
#endif
png_mmx_support();
}
#endif
@@ -5135,11 +5137,11 @@ png_read_filter_row(png_structp png_ptr, png_row_infop row_info, png_bytep
#if defined(PNG_ASSEMBLER_CODE_SUPPORTED) && defined(PNG_THREAD_UNSAFE_OK)
#if !defined(PNG_1_0_X)
if ((png_ptr->asm_flags & PNG_ASM_FLAG_MMX_READ_FILTER_SUB) &&
#else
if (
#endif
(row_info->pixel_depth >= png_ptr->mmx_bitdepth_threshold) &&
(row_info->rowbytes >= png_ptr->mmx_rowbytes_threshold))
#else
if (_mmx_supported)
#endif
{
png_read_filter_row_mmx_sub(row_info, row);
}
@@ -5164,11 +5166,11 @@ png_read_filter_row(png_structp png_ptr, png_row_infop row_info, png_bytep
#if defined(PNG_ASSEMBLER_CODE_SUPPORTED)
#if !defined(PNG_1_0_X)
if ((png_ptr->asm_flags & PNG_ASM_FLAG_MMX_READ_FILTER_UP) &&
#else
if (
#endif
(row_info->pixel_depth >= png_ptr->mmx_bitdepth_threshold) &&
(row_info->rowbytes >= png_ptr->mmx_rowbytes_threshold))
#else
if (_mmx_supported)
#endif
{
png_read_filter_row_mmx_up(row_info, row, prev_row);
}
@@ -5192,11 +5194,11 @@ png_read_filter_row(png_structp png_ptr, png_row_infop row_info, png_bytep
#if defined(PNG_ASSEMBLER_CODE_SUPPORTED) && defined(PNG_THREAD_UNSAFE_OK)
#if !defined(PNG_1_0_X)
if ((png_ptr->asm_flags & PNG_ASM_FLAG_MMX_READ_FILTER_AVG) &&
#else
if (
#endif
(row_info->pixel_depth >= png_ptr->mmx_bitdepth_threshold) &&
(row_info->rowbytes >= png_ptr->mmx_rowbytes_threshold))
#else
if (_mmx_supported)
#endif
{
png_read_filter_row_mmx_avg(row_info, row, prev_row);
}
@@ -5230,11 +5232,11 @@ png_read_filter_row(png_structp png_ptr, png_row_infop row_info, png_bytep
#if defined(PNG_ASSEMBLER_CODE_SUPPORTED) && defined(PNG_THREAD_UNSAFE_OK)
#if !defined(PNG_1_0_X)
if ((png_ptr->asm_flags & PNG_ASM_FLAG_MMX_READ_FILTER_PAETH) &&
#else
if (
#endif
(row_info->pixel_depth >= png_ptr->mmx_bitdepth_threshold) &&
(row_info->rowbytes >= png_ptr->mmx_rowbytes_threshold))
#else
if (_mmx_supported)
#endif
{
png_read_filter_row_mmx_paeth(row_info, row, prev_row);
}