Add Chromium-only Blender WebEngine parity work

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

@@ -0,0 +1,63 @@
+/* SPDX-FileCopyrightText: 2020 Blender Authors
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later */
+
+/** \file
+ * \ingroup bke
+ */
+
+#pragma once
+
+#include "BLI_sys_types.h"
+#include "DNA_layer_types.h"
+
+namespace blender {
+
+/* Forward declarations. */
+struct CryptomatteSession;
+struct Main;
+struct Material;
+struct Object;
+struct RenderResult;
+struct Scene;
+
+struct CryptomatteSession *BKE_cryptomatte_init();
+struct CryptomatteSession *BKE_cryptomatte_init_from_render_result(
+    const struct RenderResult *render_result);
+/* Initializes a cryptomatte session from the view layers of the given scene. If build_meta_data is
+ * true, the object and material IDs in the view layer will be hashed and added to the Cryptomatte
+ * layers, allowing hash-name lookups. */
+struct CryptomatteSession *BKE_cryptomatte_init_from_scene(const struct Scene *scene,
+                                                           bool build_meta_data);
+struct CryptomatteSession *BKE_cryptomatte_init_from_view_layer(
+    const struct ViewLayer *view_layer);
+void BKE_cryptomatte_free(struct CryptomatteSession *session);
+void BKE_cryptomatte_add_layer(struct CryptomatteSession *session, const char *layer_name);
+
+uint32_t BKE_cryptomatte_hash(const char *name, int name_len);
+uint32_t BKE_cryptomatte_object_hash(struct CryptomatteSession *session,
+                                     const char *layer_name,
+                                     const struct Object *object);
+uint32_t BKE_cryptomatte_material_hash(struct CryptomatteSession *session,
+                                       const char *layer_name,
+                                       const struct Material *material);
+uint32_t BKE_cryptomatte_asset_hash(struct CryptomatteSession *session,
+                                    const char *layer_name,
+                                    const struct Object *object);
+float BKE_cryptomatte_hash_to_float(uint32_t cryptomatte_hash);
+/**
+ * Find an ID in the given main that matches the given encoded float.
+ */
+bool BKE_cryptomatte_find_name(const struct CryptomatteSession *session,
+                               float encoded_hash,
+                               char *r_name,
+                               int name_maxncpy);
+
+char *BKE_cryptomatte_entries_to_matte_id(struct NodeCryptomatte *node_storage);
+void BKE_cryptomatte_matte_id_to_entries(struct NodeCryptomatte *node_storage,
+                                         const char *matte_id);
+
+void BKE_cryptomatte_store_metadata(const struct CryptomatteSession *session,
+                                    struct RenderResult *render_result);
+
+}  // namespace blender