[ros-diffs] [gschneider] 39227: Evgeny Boltik <BSTSoft AT narod DOT ru>: Generic StretchBlt implementation for all bitrates with partial ROP and clipping support, see bug #4075. Some changes from me applied to the patch: - ROP variables renamed, applied consistent indentation, abort operation if pattern ROP and dprint once, split src and dst dprints - Access source surface only if source is actually used, fixes mem access crashes - Offer external drivers a NULL surface ptr if source is not used, since they