update external headers

ios/src/Wireframe.h

@@ -0,0 +1,40 @@
+/*
+ * Copyright (C) 2019 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef GLTFIO_WIREFRAME_H
+#define GLTFIO_WIREFRAME_H
+
+#include <filament/IndexBuffer.h>
+#include <filament/VertexBuffer.h>
+
+#include <utils/Entity.h>
+
+namespace gltfio {
+
+struct FFilamentAsset;
+
+struct Wireframe {
+    Wireframe(FFilamentAsset* asset);
+    ~Wireframe();
+    const FFilamentAsset* mAsset;
+    utils::Entity mEntity;
+    filament::VertexBuffer* mVertexBuffer;
+    filament::IndexBuffer* mIndexBuffer;
+};
+
+} // namsepace gltfio
+
+#endif // GLTFIO_WIREFRAME_H