Cleanup: split Cycles export into smaller files

1 files changed, 146 insertions, 0 deletions

diff --git a/intern/cycles/blender/blender_geometry.cpp b/intern/cycles/blender/blender_geometry.cpp
new file mode 100644
index 00000000000..151b741b003
--- /dev/null
+++ b/intern/cycles/blender/blender_geometry.cpp
@@ -0,0 +1,146 @@
+
+/*
+ * Copyright 2011-2013 Blender Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "render/mesh.h"
+#include "render/object.h"
+
+#include "blender/blender_sync.h"
+#include "blender/blender_util.h"
+
+CCL_NAMESPACE_BEGIN
+
+Mesh *BlenderSync::sync_geometry(BL::Depsgraph &b_depsgraph,
+                                 BL::Object &b_ob,
+                                 BL::Object &b_ob_instance,
+                                 bool object_updated,
+                                 bool use_particle_hair)
+{
+  /* Test if we can instance or if the object is modified. */
+  BL::ID b_ob_data = b_ob.data();
+  BL::ID b_key_id = (BKE_object_is_modified(b_ob)) ? b_ob_instance : b_ob_data;
+  MeshKey key(b_key_id.ptr.data, use_particle_hair);
+  BL::Material material_override = view_layer.material_override;
+  Shader *default_shader = scene->default_surface;
+
+  /* Find shader indices. */
+  vector<Shader *> used_shaders;
+
+  BL::Object::material_slots_iterator slot;
+  for (b_ob.material_slots.begin(slot); slot != b_ob.material_slots.end(); ++slot) {
+    if (material_override) {
+      find_shader(material_override, used_shaders, default_shader);
+    }
+    else {
+      BL::ID b_material(slot->material());
+      find_shader(b_material, used_shaders, default_shader);
+    }
+  }
+
+  if (used_shaders.size() == 0) {
+    if (material_override)
+      find_shader(material_override, used_shaders, default_shader);
+    else
+      used_shaders.push_back(default_shader);
+  }
+
+  /* Test if we need to sync. */
+  Mesh *mesh;
+
+  if (!mesh_map.sync(&mesh, b_key_id, key)) {
+    /* If transform was applied to mesh, need full update. */
+    if (object_updated && mesh->transform_applied)
+      ;
+    /* Test if shaders changed, these can be object level so mesh
+     * does not get tagged for recalc. */
+    else if (mesh->used_shaders != used_shaders)
+      ;
+    else {
+      /* Even if not tagged for recalc, we may need to sync anyway
+       * because the shader needs different mesh attributes. */
+      bool attribute_recalc = false;
+
+      foreach (Shader *shader, mesh->used_shaders)
+        if (shader->need_update_mesh)
+          attribute_recalc = true;
+
+      if (!attribute_recalc)
+        return mesh;
+    }
+  }
+
+  /* Ensure we only sync instanced meshes once. */
+  if (mesh_synced.find(mesh) != mesh_synced.end())
+    return mesh;
+
+  progress.set_sync_status("Synchronizing object", b_ob.name());
+
+  mesh_synced.insert(mesh);
+
+  mesh->clear();
+  mesh->used_shaders = used_shaders;
+  mesh->name = ustring(b_ob_data.name().c_str());
+
+  if (use_particle_hair) {
+    sync_hair(b_depsgraph, b_ob, mesh);
+  }
+  else if (object_fluid_gas_domain_find(b_ob)) {
+    sync_volume(b_ob, mesh);
+  }
+  else {
+    sync_mesh(b_depsgraph, b_ob, mesh);
+  }
+
+  return mesh;
+}
+
+void BlenderSync::sync_geometry_motion(BL::Depsgraph &b_depsgraph,
+                                       BL::Object &b_ob,
+                                       Object *object,
+                                       float motion_time,
+                                       bool use_particle_hair)
+{
+  /* Ensure we only sync instanced meshes once. */
+  Mesh *mesh = object->mesh;
+
+  if (mesh_motion_synced.find(mesh) != mesh_motion_synced.end())
+    return;
+
+  mesh_motion_synced.insert(mesh);
+
+  /* Ensure we only motion sync meshes that also had mesh synced, to avoid
+   * unnecessary work and to ensure that its attributes were clear. */
+  if (mesh_synced.find(mesh) == mesh_synced.end())
+    return;
+
+  /* Find time matching motion step required by mesh. */
+  int motion_step = mesh->motion_step(motion_time);
+  if (motion_step < 0) {
+    return;
+  }
+
+  if (use_particle_hair) {
+    sync_hair_motion(b_depsgraph, b_ob, mesh, motion_step);
+  }
+  else if (object_fluid_gas_domain_find(b_ob)) {
+    /* No volume motion blur support yet. */
+  }
+  else {
+    sync_mesh_motion(b_depsgraph, b_ob, mesh, motion_step);
+  }
+}
+
+CCL_NAMESPACE_END