diff options
| -rw-r--r-- | intern/cycles/blender/blender_sync.cpp | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/intern/cycles/blender/blender_sync.cpp b/intern/cycles/blender/blender_sync.cpp index 8ec9ecfd861..6118cc72239 100644 --- a/intern/cycles/blender/blender_sync.cpp +++ b/intern/cycles/blender/blender_sync.cpp @@ -257,9 +257,14 @@ void BlenderSync::sync_integrator() integrator->seed = get_int(cscene, "seed"); if(get_boolean(cscene, "use_animated_seed")) { integrator->seed = hash_int_2d(b_scene.frame_current(), - get_int(cscene, "seed")) + - hash_int_2d((int)(b_scene.frame_subframe() * (float)INT_MAX), get_int(cscene, "seed")); + if(b_scene.frame_subframe() != 0.0f) { + /* TODO(sergey): Ideally should be some sort of hash_merge, + * but this is good enough for now. + */ + integrator->seed += hash_int_2d((int)(b_scene.frame_subframe() * (float)INT_MAX), + get_int(cscene, "seed")); + } } integrator->sampling_pattern = (SamplingPattern)get_enum( |