[vlc-devel] [PATCH] blend: Handle alpha when blending in RGBA?buffers

Steinar H. Gunderson sgunderson at bigfoot.com
Thu Jan 16 15:48:35 CET 2014

On Thu, Jan 16, 2014 at 10:43:06PM +0800, Rémi Denis-Courmont wrote:
> Is this patch not preventing unrolling? If so, performance will be rather
> badly affected? (Yes, obviously this depends on the compiler)

Well, obviously you won't know without testing, but ifs in general don't
prevent unrolling. (Of course, the ideal case here is that the if is hoisted
out of the loop.)

/* Steinar */
Homepage: http://www.sesse.net/

More information about the vlc-devel mailing list