Add Chromium-only Blender WebEngine parity work

blender-5.2.0/source/blender/blenlib/BLI_voxel.h

@@ -0,0 +1,22 @@
+/* SPDX-FileCopyrightText: 2001-2002 NaN Holding BV. All rights reserved.
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later */
+
+#pragma once
+
+/** \file
+ * \ingroup bli
+ */
+
+namespace blender {
+
+/** Calculate the index number of a voxel, given x/y/z integer coords and resolution vector. */
+#define BLI_VOXEL_INDEX(x, y, z, res) \
+  ((int64_t)(x) + (int64_t)(y) * (int64_t)(res)[0] + \
+   (int64_t)(z) * (int64_t)(res)[0] * (int64_t)(res)[1])
+
+/* All input coordinates must be in bounding box 0.0 - 1.0. */
+
+float BLI_voxel_sample_trilinear(const float *data, const int res[3], const float co[3]);
+
+}  // namespace blender