glamor: xv: remove aligning from Xv procedures

Some alignes are very strict. For example YV12 or I420 width is at least multiple of two according to standard, but glamor implies ALIGN(*w >> 1, 4)

Signed-off-by: Andrey Zhadchenko <>
4 jobs for glamor_xv in 3 minutes and 11 seconds (queued for 5 seconds)