Glenn Randers-Pehrson f1e4acb5b1 [libpng17] Combined sub_row, up_row, avg_row, and paeth_row buffers into a ...

single try_row buffer and in cases where two or more of those are
being tested, a second tst_row buffer.  This improves CPU speed
over that achieved by libpng-1.7.0beta49.

2015-02-15 12:44:16 -06:00

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