Brecht Van Lommel 3bf175f270 Cycles OSL: image texture lookup optimization, acquire the per thread handle
for texture system in advance. Patch by Martijn Berger, with some tweaks.

There was about a 10% performance improvement on OS X in my tests with the
images.blend test file. This may be less on other platforms because OS X has
particularly slow mutex locks.
2013-08-05 12:49:15 +00:00
2010-10-13 14:44:22 +00:00
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