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Added MIPS MSA optimization for following functions:

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1. png_read_filter_row_sub4_msa
    2. png_read_filter_row_avg4_msa
    3. png_read_filter_row_paeth4_msa
    4. png_read_filter_row_sub3_msa
    5. png_read_filter_row_avg3_msa
    6. png_read_filter_row_paeth3_msa

Signed-off-by: Mandar Sahastrabuddhe <Mandar.Sahastrabuddhe@imgtec.com>
This commit is contained in:
Mandar Sahastrabuddhe
2016-08-30 13:51:25 +05:30
parent b43133b361
commit d1f14c829a
3 changed files with 654 additions and 3 deletions
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14
pngpriv.h
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@@ -1,7 +1,7 @@
/* pngpriv.h - private declarations for use inside libpng
*
* Last changed in libpng 1.6.25 [(PENDING RELEASE)]
* Last changed in libpng 1.6.25rc04 [August 30, 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.)
@@ -1223,6 +1223,18 @@ PNG_INTERNAL_FUNCTION(void,png_read_filter_row_paeth4_neon,(png_row_infop
#if PNG_MIPS_MSA_OPT > 0
PNG_INTERNAL_FUNCTION(void,png_read_filter_row_up_msa,(png_row_infop row_info,
png_bytep row, png_const_bytep prev_row),PNG_EMPTY);
PNG_INTERNAL_FUNCTION(void,png_read_filter_row_sub3_msa,(png_row_infop
row_info, png_bytep row, png_const_bytep prev_row),PNG_EMPTY);
PNG_INTERNAL_FUNCTION(void,png_read_filter_row_sub4_msa,(png_row_infop
row_info, png_bytep row, png_const_bytep prev_row),PNG_EMPTY);
PNG_INTERNAL_FUNCTION(void,png_read_filter_row_avg3_msa,(png_row_infop
row_info, png_bytep row, png_const_bytep prev_row),PNG_EMPTY);
PNG_INTERNAL_FUNCTION(void,png_read_filter_row_avg4_msa,(png_row_infop
row_info, png_bytep row, png_const_bytep prev_row),PNG_EMPTY);
PNG_INTERNAL_FUNCTION(void,png_read_filter_row_paeth3_msa,(png_row_infop
row_info, png_bytep row, png_const_bytep prev_row),PNG_EMPTY);
PNG_INTERNAL_FUNCTION(void,png_read_filter_row_paeth4_msa,(png_row_infop
row_info, png_bytep row, png_const_bytep prev_row),PNG_EMPTY);
#endif
/* Choose the best filter to use and filter the row data */