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| author | Sergey Sharybin <sergey.vfx@gmail.com> | 2017-01-17 16:37:32 +0300 |
|---|---|---|
| committer | Sergey Sharybin <sergey.vfx@gmail.com> | 2017-01-20 14:46:18 +0300 |
| commit | 5298853e95057942251262d649fcd41b5769f52c (patch) | |
| tree | 8052d9dcc542c38e3a03c917be80bb4d46cb31a0 /intern/cycles/render/scene.h | |
| parent | d50d370755beba0d23356acc301a180afa87e676 (diff) | |
Cycles: Add option to split curve motion primitives by time steps
The idea is to create several smaller BVH nodes for each of the motion
curve primitives. This acts as a forced spatial split for the single
primitive.
This gives up render time speedup of motion blurred hair in the cost
of extra memory usage. The numbers goes as:
BVH Steps Render time (sec) Memory usage (MB)
0 258 191
1 123 278
2 69 453
3 43 627
Scene used for the tests is the agent's hair from one of the barber
shop scenes.
Currently it's only limited to scenes without spatial split enabled,
since the spatial split builder requires some changes to work properly
with motion steps coordinates.
Diffstat (limited to 'intern/cycles/render/scene.h')
| -rw-r--r-- | intern/cycles/render/scene.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/intern/cycles/render/scene.h b/intern/cycles/render/scene.h index df9363cc768..948697dd136 100644 --- a/intern/cycles/render/scene.h +++ b/intern/cycles/render/scene.h @@ -143,6 +143,7 @@ public: } bvh_type; bool use_bvh_spatial_split; bool use_bvh_unaligned_nodes; + int num_bvh_motion_curve_steps; bool use_qbvh; bool persistent_data; int texture_limit; @@ -153,6 +154,7 @@ public: bvh_type = BVH_DYNAMIC; use_bvh_spatial_split = false; use_bvh_unaligned_nodes = true; + num_bvh_motion_curve_steps = 0; use_qbvh = false; persistent_data = false; texture_limit = 0; @@ -163,6 +165,7 @@ public: && bvh_type == params.bvh_type && use_bvh_spatial_split == params.use_bvh_spatial_split && use_bvh_unaligned_nodes == params.use_bvh_unaligned_nodes + && num_bvh_motion_curve_steps == params.num_bvh_motion_curve_steps && use_qbvh == params.use_qbvh && persistent_data == params.persistent_data && texture_limit == params.texture_limit); } |