Add Chromium-only Blender WebEngine parity work

blender-5.2.0/intern/cycles/bvh/embree.h

@@ -0,0 +1,65 @@
+/* SPDX-FileCopyrightText: 2018-2022 Blender Foundation
+ *
+ * SPDX-License-Identifier: Apache-2.0 */
+
+#pragma once
+
+#ifdef WITH_EMBREE
+
+#  include <embree4/rtcore.h>
+#  include <embree4/rtcore_scene.h>
+
+#  include "bvh/bvh.h"
+#  include "bvh/params.h"
+
+#  include "util/vector.h"
+
+CCL_NAMESPACE_BEGIN
+
+class Hair;
+class Mesh;
+class PointCloud;
+
+class BVHEmbree : public BVH {
+ public:
+  void build(Progress &progress,
+             Stats *stats,
+             RTCDevice rtc_device,
+             const bool rtc_device_is_sycl_ = false);
+  void refit(Progress &progress);
+
+#  if defined(WITH_EMBREE_GPU) && RTC_VERSION >= 40302
+  RTCError offload_scenes_to_gpu(const vector<RTCScene> &scenes);
+#  endif
+
+  const char *get_error_string(RTCError error_code);
+
+  RTCScene scene;
+
+  BVHEmbree(const BVHParams &params,
+            const vector<Geometry *> &geometry,
+            const vector<Object *> &objects);
+  ~BVHEmbree() override;
+
+ protected:
+  void add_object(Object *ob, const int i);
+  void add_instance(Object *ob, const int i);
+  void add_curves(const Object *ob, const Hair *hair, const int i);
+  void add_points(const Object *ob, const PointCloud *pointcloud, const int i);
+  void add_triangles(const Object *ob, const Mesh *mesh, const int i);
+
+ private:
+  void set_tri_vertex_buffer(RTCGeometry geom_id, const Mesh *mesh, const bool update);
+  void set_curve_vertex_buffer(RTCGeometry geom_id, const Hair *hair, const bool update);
+  void set_point_vertex_buffer(RTCGeometry geom_id,
+                               const PointCloud *pointcloud,
+                               const bool update);
+
+  RTCDevice rtc_device;
+  bool rtc_device_is_sycl;
+  enum RTCBuildQuality build_quality;
+};
+
+CCL_NAMESPACE_END
+
+#endif /* WITH_EMBREE */