diff options
Diffstat (limited to 'intern/cycles/blender/blender_object.cpp')
| -rw-r--r-- | intern/cycles/blender/blender_object.cpp | 107 |
1 files changed, 98 insertions, 9 deletions
diff --git a/intern/cycles/blender/blender_object.cpp b/intern/cycles/blender/blender_object.cpp index 4711e0cbe76..2dbebac4cc3 100644 --- a/intern/cycles/blender/blender_object.cpp +++ b/intern/cycles/blender/blender_object.cpp @@ -14,6 +14,7 @@ * limitations under the License. */ +#include "render/alembic.h" #include "render/camera.h" #include "render/graph.h" #include "render/integrator.h" @@ -484,6 +485,68 @@ bool BlenderSync::sync_object_attributes(BL::DepsgraphObjectInstance &b_instance /* Object Loop */ +void BlenderSync::sync_procedural(BL::Object &b_ob, + BL::MeshSequenceCacheModifier &b_mesh_cache, + bool has_subdivision_modifier) +{ +#ifdef WITH_ALEMBIC + BL::CacheFile cache_file = b_mesh_cache.cache_file(); + void *cache_file_key = cache_file.ptr.data; + + AlembicProcedural *procedural = static_cast<AlembicProcedural *>( + procedural_map.find(cache_file_key)); + + if (procedural == nullptr) { + procedural = scene->create_node<AlembicProcedural>(); + procedural_map.add(cache_file_key, procedural); + } + else { + procedural_map.used(procedural); + } + + float current_frame = b_scene.frame_current(); + if (cache_file.override_frame()) { + current_frame = cache_file.frame(); + } + + if (!cache_file.override_frame()) { + procedural->set_start_frame(b_scene.frame_start()); + procedural->set_end_frame(b_scene.frame_end()); + } + + procedural->set_frame(current_frame); + procedural->set_frame_rate(b_scene.render().fps() / b_scene.render().fps_base()); + procedural->set_frame_offset(cache_file.frame_offset()); + + string absolute_path = blender_absolute_path(b_data, b_ob, b_mesh_cache.cache_file().filepath()); + procedural->set_filepath(ustring(absolute_path)); + + procedural->set_scale(cache_file.scale()); + + /* create or update existing AlembicObjects */ + ustring object_path = ustring(b_mesh_cache.object_path()); + + AlembicObject *abc_object = procedural->get_or_create_object(object_path); + + array<Node *> used_shaders = find_used_shaders(b_ob); + abc_object->set_used_shaders(used_shaders); + + PointerRNA cobj = RNA_pointer_get(&b_ob.ptr, "cycles"); + const float subd_dicing_rate = max(0.1f, RNA_float_get(&cobj, "dicing_rate") * dicing_rate); + abc_object->set_subd_dicing_rate(subd_dicing_rate); + abc_object->set_subd_max_level(max_subdivisions); + + abc_object->set_ignore_subdivision(!has_subdivision_modifier); + + if (abc_object->is_modified() || procedural->is_modified()) { + procedural->tag_update(scene); + } +#else + (void)b_ob; + (void)b_mesh_cache; +#endif +} + void BlenderSync::sync_objects(BL::Depsgraph &b_depsgraph, BL::SpaceView3D &b_v3d, float motion_time) @@ -499,6 +562,7 @@ void BlenderSync::sync_objects(BL::Depsgraph &b_depsgraph, light_map.pre_sync(); geometry_map.pre_sync(); object_map.pre_sync(); + procedural_map.pre_sync(); particle_system_map.pre_sync(); motion_times.clear(); } @@ -539,15 +603,39 @@ void BlenderSync::sync_objects(BL::Depsgraph &b_depsgraph, /* Object itself. */ if (b_instance.show_self()) { - sync_object(b_depsgraph, - b_view_layer, - b_instance, - motion_time, - false, - show_lights, - culling, - &use_portal, - sync_hair ? NULL : &geom_task_pool); +#ifdef WITH_ALEMBIC + bool use_procedural = false; + bool has_subdivision_modifier = false; + BL::MeshSequenceCacheModifier b_mesh_cache(PointerRNA_NULL); + + /* Experimental as Blender does not have good support for procedurals at the moment, also + * only available in preview renders since currently do not have a good cache policy, the + * data being loaded at once for all the frames. */ + if (experimental && b_v3d) { + b_mesh_cache = object_mesh_cache_find(b_ob, false, &has_subdivision_modifier); + use_procedural = b_mesh_cache && b_mesh_cache.cache_file().use_render_procedural(); + } + + if (use_procedural) { + /* Skip in the motion case, as generating motion blur data will be handled in the + * procedural. */ + if (!motion) { + sync_procedural(b_ob, b_mesh_cache, has_subdivision_modifier); + } + } + else +#endif + { + sync_object(b_depsgraph, + b_view_layer, + b_instance, + motion_time, + false, + show_lights, + culling, + &use_portal, + sync_hair ? NULL : &geom_task_pool); + } } /* Particle hair as separate object. */ @@ -580,6 +668,7 @@ void BlenderSync::sync_objects(BL::Depsgraph &b_depsgraph, object_map.post_sync(); geometry_map.post_sync(); particle_system_map.post_sync(); + procedural_map.post_sync(); } if (motion) |