[Pixman] [PATCH] sse2: Skip src pixels that are zero in sse2_composite_over_8888_n_8888()

Soeren Sandmann sandmann at daimi.au.dk
Wed Dec 22 06:11:52 PST 2010

Rodrigo Kumpera <kumpera at gmail.com> writes:

> This patch doesn't handle cases where alpha is zero but components are not.
> Not sure
> if this is either possible or frequent.

It's certainly supposed to handle this case, though it's probably not
frequent. I don't see the bug, though - if any part of the source is
non-zero, then it goes through the full compositing step. Or am I
missing something?


More information about the Pixman mailing list