Commit Graph

12 Commits

Author SHA1 Message Date
Vadim Barkov
ae15e839d9 Small bugfix 2017-02-02 04:51:56 +00:00
Vadim Barkov
9bd58f9387 Removed PNG_ALIGN check in VSX code since it is not used 2017-01-31 12:15:45 +00:00
Vadim Barkov
bea573d370 Added auxv-based VSX detection method for PowerPC and enabled it by default 2017-01-31 11:59:11 +00:00
Vadim Barkov
acb155d893 Implemented filter_paeth PowerPC VSX variant 2017-01-31 04:05:19 +03:00
Vadim Barkov
c43aaa8b20 Implemented filter_avg for PowerPC VXS 2017-01-29 18:44:54 +03:00
Vadim Barkov
6ddcd33daa Fixed potential align errors for PowerPC VSX filter functions
The problem is that row and prev_row may not be aligned to the same
byte count. This situation leaded to undefined behaviour.
2017-01-29 18:37:53 +03:00
Vadim Barkov
adbf1d6d1c Fixed missing defines for VSX filter_sub 2017-01-19 18:12:13 +03:00
Vadim Barkov
9b0311a4d8 Implemented filter_sub optimisation for PowerPC VSX 2017-01-19 02:11:34 +03:00
Vadim Barkov
b455622aa8 Fixed potential bug on align calculation for VSX filter_up 2017-01-19 01:29:24 +03:00
Vadim Barkov
ccef5edbfe Fixed bug with unaligned input on VSX filter_up 2017-01-16 19:45:17 +03:00
Vadim Barkov
91acd4baf8 Implemented png_read_filter_up_vsx 2017-01-15 20:20:29 +03:00
Vadim Barkov
2b6e59d968 Added initial code for PowerPC VSX optimisation 2017-01-14 16:05:33 +03:00