Add Chromium-only Blender WebEngine parity work

blender-5.2.0/intern/cycles/session/merge.h

@@ -0,0 +1,28 @@
+/* SPDX-FileCopyrightText: 2011-2022 Blender Foundation
+ *
+ * SPDX-License-Identifier: Apache-2.0 */
+
+#pragma once
+
+#include "util/string.h"
+#include "util/vector.h"
+
+CCL_NAMESPACE_BEGIN
+
+/* Merge OpenEXR multi-layer renders. */
+
+class ImageMerger {
+ public:
+  ImageMerger();
+  bool run();
+
+  /* Error message after running, in case of failure. */
+  string error;
+
+  /* List of image filepaths to merge. */
+  vector<string> input;
+  /* Output filepath. */
+  string output;
+};
+
+CCL_NAMESPACE_END