Cycles Spatial Splits BHV fails to complete build in scenes containing lots of hair along with SSS materials #48472
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Reference: blender/blender#48472
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System Information
Win10 64 bit; Third Gen i7 CPU; ATI HD7xxx GPU; 24 gigs RAM
Blender Version
Broken: Hash
89df672
Worked: Hash
f70b548
(May16)Short description of error
When the scene contains enough hair and the object it attaches to contains an SSS material, the Spatial Splits BVH build phase will suddenly stop and stay that way until Esc is pressed. This is only a Spatial Splits problem as turning off that checkbox allows the render to go like it should (it looks like a recent commit may be causing the build to lock up at a certain point).
Exact steps for others to reproduce the error
Open the .blend file and try to render the scene
.blend
Cycles_FailedBVH.blend
Changed status to: 'Open'
Added subscriber: @Ace_Dragon
Cycles Spatial Splits BHV build fails to complete build in scenes containing lots of hair along with SSS materialsto Cycles Spatial Splits BHV fails to complete build in scenes containing lots of hair along with SSS materialsAdded subscribers: @brecht, @Sergey
This is caused by recent code refactor from Brecht in
93e4ae8
.@brecht, raised the concern, did inlined code comments in the revision.
This issue was referenced by
9d19533117
Changed status from 'Open' to: 'Resolved'
This issue was referenced by blender/cycles@91e570461a