Add Chromium-only Blender WebEngine parity work

blender-5.2.0/source/blender/blenkernel/BKE_pointcloud.hh

@@ -0,0 +1,97 @@
+/* SPDX-FileCopyrightText: 2023 Blender Authors
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later */
+
+#pragma once
+
+/** \file
+ * \ingroup bke
+ * \brief General operations for point clouds.
+ */
+
+#include "MEM_guardedalloc.h" /* For `MEM_CXX_CLASS_ALLOC_FUNCS`. */
+
+#include "BLI_bounds_types.hh"
+#include "BLI_kdopbvh.hh"
+#include "BLI_math_vector_types.hh"
+#include "BLI_shared_cache.hh"
+#include "BLI_string_ref.hh"
+
+#include "DNA_pointcloud_types.h"
+
+namespace blender {
+
+struct Depsgraph;
+struct Main;
+struct Object;
+struct PointCloud;
+struct Scene;
+namespace bke::bake {
+struct BakeMaterialsList;
+}
+
+namespace bke {
+
+struct PointCloudRuntime {
+  /**
+   * A cache of bounds shared between data-blocks with unchanged positions and radii.
+   * When data changes affect the bounds, the cache is "un-shared" with other geometries.
+   * See #SharedCache comments.
+   */
+  mutable SharedCache<Bounds<float3>> bounds_cache;
+  mutable SharedCache<Bounds<float3>> bounds_with_radius_cache;
+
+  /** Stores weak references to material data blocks. */
+  std::unique_ptr<bake::BakeMaterialsList> bake_materials;
+
+  SharedCache<std::unique_ptr<BVHTree, BVHTreeDeleter>> bvh_cache;
+
+  MEM_CXX_CLASS_ALLOC_FUNCS("PointCloudRuntime");
+};
+
+PointCloud *pointcloud_new_no_attributes(int totpoint);
+
+}  // namespace bke
+
+PointCloud *BKE_pointcloud_add(Main *bmain, const char *name);
+PointCloud *BKE_pointcloud_new_nomain(int totpoint);
+void BKE_pointcloud_nomain_to_pointcloud(PointCloud *pointcloud_src, PointCloud *pointcloud_dst);
+
+bool BKE_pointcloud_attribute_required(const PointCloud *pointcloud, StringRef name);
+
+void BKE_pointcloud_material_remap(PointCloud *pointcloud,
+                                   const unsigned int *remap,
+                                   int remap_num);
+
+/**
+ * Copy data from #src to #dst, except the geometry and attributes. Typically used to
+ * copy high-level parameters when a geometry-altering operation creates a new point cloud
+ * data-block.
+ */
+void pointcloud_copy_parameters(const PointCloud &src, PointCloud &dst);
+
+void pointcloud_resize(PointCloud &pointcloud, int size);
+
+/* Dependency Graph */
+
+PointCloud *BKE_pointcloud_copy_for_eval(const PointCloud *pointcloud_src);
+
+void BKE_pointcloud_data_update(Depsgraph *depsgraph, Scene *scene, Object *object);
+
+/* Draw Cache */
+
+enum {
+  BKE_POINTCLOUD_BATCH_DIRTY_ALL = 0,
+};
+
+void BKE_pointcloud_batch_cache_dirty_tag(PointCloud *pointcloud, int mode);
+void BKE_pointcloud_batch_cache_free(PointCloud *pointcloud);
+
+extern void (*BKE_pointcloud_batch_cache_dirty_tag_cb)(PointCloud *pointcloud, int mode);
+extern void (*BKE_pointcloud_batch_cache_free_cb)(PointCloud *pointcloud);
+
+namespace bke {
+struct AttributeAccessorFunctions;
+const AttributeAccessorFunctions &pointcloud_attribute_accessor_functions();
+}  // namespace bke
+}  // namespace blender