Sergey Sharybin 3637cbbcf8 Cycles: Fix wrong termination criteria in intersect_all functions
It was possible to miss bounces termination criteria in this functions,
mainly when max_hits was set to 0.

Made the check more robust in traversal functions (which should not
affect performance, it's an operation of same complexity AFAIK).

Also avoid doing ray-scene intersection from shadow_blocked when
limit of transparent bounces was already reached.
2016-07-14 11:26:20 +02:00
2013-12-24 22:57:27 +06:00
2016-01-04 14:20:48 +05:00
2010-10-13 14:44:22 +00:00
2016-05-21 05:48:10 +10:00
2016-02-10 00:26:12 +11:00
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