Nicholas Bishop 073ea28d58 Skip subsurf normal allocation/calculation when not needed.
CCGSubsurf has already a function to disable calculation of normals,
but seems it wasn't used. This patch changes subsurf UV and
subsurf_calculate_limit_positions() to not calculate normals, and also
not allocate space for them.

Should be no functional changes, just a small speedup/less memory use
during subdivision for these cases.

Code review link:
http://codereview.appspot.com/5558058/
2012-01-20 19:27:04 +00:00
2010-10-13 14:44:22 +00:00
2011-11-23 17:14:29 +00:00
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