Add Chromium-only Blender WebEngine parity work

blender-5.2.0/source/blender/blenkernel/BKE_uvproject.h

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+/* SPDX-FileCopyrightText: 2023 Blender Authors
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later */
+#pragma once
+
+/** \file
+ * \ingroup bke
+ */
+
+namespace blender {
+
+struct Object;
+struct ProjCameraInfo;
+
+/**
+ * Create UV info from the camera, needs to be freed.
+ *
+ * \param rotmat: can be `obedit->object_to_world().ptr()` when uv project is used.
+ * \param winx, winy: can be from `scene->r.xsch / ysch`.
+ */
+struct ProjCameraInfo *BKE_uvproject_camera_info(const struct Object *ob,
+                                                 const float rotmat[4][4],
+                                                 float winx,
+                                                 float winy);
+
+/**
+ * Apply UV from #ProjCameraInfo (camera).
+ */
+void BKE_uvproject_from_camera(float target[2],
+                               const float source[3],
+                               const struct ProjCameraInfo *uci);
+
+/**
+ * Apply uv from perspective matrix.
+ * \param persmat: Can be `rv3d->persmat`.
+ */
+void BKE_uvproject_from_view(float target[2],
+                             const float source[3],
+                             const float persmat[4][4],
+                             const float rotmat[4][4],
+                             float winx,
+                             float winy);
+
+/**
+ * Apply orthographic UVs.
+ */
+void BKE_uvproject_from_view_ortho(float target[2],
+                                   const float source[3],
+                                   const float rotmat[4][4]);
+
+/**
+ * So we can adjust scale with keeping the struct private.
+ */
+void BKE_uvproject_camera_info_scale(ProjCameraInfo *uci, float scale_x, float scale_y);
+
+/*
+ * Free info. */
+void BKE_uvproject_camera_info_free(ProjCameraInfo *uci);
+
+}  // namespace blender