Add Chromium-only Blender WebEngine parity work

blender-5.2.0/intern/cycles/scene/pointcloud.h

@@ -0,0 +1,94 @@
+/* SPDX-FileCopyrightText: 2011-2022 Blender Foundation
+ *
+ * SPDX-License-Identifier: Apache-2.0 */
+
+#pragma once
+
+#include "scene/geometry.h"
+
+CCL_NAMESPACE_BEGIN
+
+class PointCloud : public Geometry {
+ public:
+  NODE_DECLARE
+
+  /* PointCloud Point */
+  struct Point {
+    int index;
+
+    void bounds_grow(const packed_float3 *points, const float *radius, BoundBox &bounds) const;
+    void bounds_grow(const packed_float3 *points,
+                     const float *radius,
+                     const Transform &aligned_space,
+                     BoundBox &bounds) const;
+    void bounds_grow(const float4 &point, BoundBox &bounds) const;
+
+    float4 motion_key(const float *radius,
+                      const Attribute *attr_P,
+                      const Attribute *attr_R,
+                      const size_t num_steps,
+                      const float time,
+                      size_t p) const;
+    float4 point_for_step(const float *radius,
+                          const Attribute *attr_P,
+                          const Attribute *attr_R,
+                          const size_t step,
+                          size_t p) const;
+  };
+
+  NODE_SOCKET_API_ARRAY(array<int>, shader)
+
+  /* Constructor/Destructor */
+  PointCloud();
+  ~PointCloud() override;
+
+  /* Geometry */
+  void clear_non_sockets();
+  void clear(const bool preserve_shaders = false) override;
+
+  void resize(const int numpoints);
+
+  void copy_center_to_motion_step(const int motion_step);
+
+  void compute_bounds() override;
+  void apply_transform(const Transform &tfm, const bool apply_to_motion) override;
+
+  /* Points */
+  Point get_point(const int i) const
+  {
+    Point point = {i};
+    return point;
+  }
+
+  size_t num_points() const
+  {
+    const Attribute *attr = attributes.find(ATTR_STD_POSITION);
+    return attr ? attr->size : 0;
+  }
+
+  size_t num_attributes() const
+  {
+    return 1;
+  }
+
+  /* UDIM */
+  void get_uv_tiles(ustring map, unordered_set<int> &tiles) override;
+
+  PrimitiveType primitive_type() const override;
+
+  /* BVH */
+  void pack(Scene *scene, uint *packed_shader);
+
+ private:
+  void add_builtin_attributes();
+
+  friend class BVH2;
+  friend class BVHBuild;
+  friend class BVHSpatialSplit;
+  friend class DiagSplit;
+  friend class EdgeDice;
+  friend class GeometryManager;
+  friend class ObjectManager;
+};
+
+CCL_NAMESPACE_END