1 files changed, 55 insertions, 0 deletions
diff --git a/source/blender/geometry/GEO_mesh_to_volume.hh b/source/blender/geometry/GEO_mesh_to_volume.hh
new file mode 100644
index 00000000000..c95b472936b
--- /dev/null
+++ b/source/blender/geometry/GEO_mesh_to_volume.hh
@@ -0,0 +1,55 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
+#include "BLI_float4x4.hh"
+#include "BLI_function_ref.hh"
+#include "BLI_string_ref.hh"
+
+#include "DNA_mesh_types.h"
+#include "DNA_meshdata_types.h"
+#include "DNA_modifier_types.h"
+
+#pragma once
+
+struct Volume;
+struct VolumeGrid;
+struct Depsgraph;
+
+/** \file
+ * \ingroup geo
+ */
+
+namespace blender::geometry {
+
+struct MeshToVolumeResolution {
+  MeshToVolumeModifierResolutionMode mode;
+  union {
+    float voxel_size;
+    float voxel_amount;
+  } settings;
+};
+
+#ifdef WITH_OPENVDB
+
+/**
+ * \param bounds_fn: Return the bounds of the mesh positions,
+ * used for deciding the voxel size in "Amount" mode.
+ */
+float volume_compute_voxel_size(const Depsgraph *depsgraph,
+                                FunctionRef<void(float3 &r_min, float3 &r_max)> bounds_fn,
+                                const MeshToVolumeResolution resolution,
+                                float exterior_band_width,
+                                const float4x4 &transform);
+/**
+ * Add a new VolumeGrid to the Volume by converting the supplied mesh
+ */
+VolumeGrid *volume_grid_add_from_mesh(Volume *volume,
+                                      const StringRefNull name,
+                                      const Mesh *mesh,
+                                      const float4x4 &mesh_to_volume_space_transform,
+                                      float voxel_size,
+                                      bool fill_volume,
+                                      float exterior_band_width,
+                                      float interior_band_width,
+                                      float density);
+#endif
+}  // namespace blender::geometry