1 files changed, 20 insertions, 0 deletions
diff --git a/engine/src/mesh/vertex_buffer.rs b/engine/src/mesh/vertex_buffer.rs
index 4df3ffc..90e5752 100644
--- a/engine/src/mesh/vertex_buffer.rs
+++ b/engine/src/mesh/vertex_buffer.rs
@@ -73,6 +73,26 @@ pub struct VertexBuffer
 
 impl VertexBuffer
 {
+    pub unsafe fn from_raw(
+        vertex_attr_props: &[VertexAttrProperties],
+        buffer: Vec<u8>,
+    ) -> Self
+    {
+        let last_vertex_attr_props = vertex_attr_props
+            .iter()
+            .max_by_key(|props| props.byte_offset)
+            .expect("No vertex attribute properties are given");
+
+        let vertex_size =
+            last_vertex_attr_props.byte_offset + last_vertex_attr_props.layout.size();
+
+        Self {
+            buf: buffer,
+            vertex_size,
+            vertex_attr_props: vertex_attr_props.to_vec(),
+        }
+    }
+
     pub fn with_capacity(vertex_attrs: &[VertexAttrInfo], capacity: usize) -> Self
     {
         let mut vertex_attr_props = vertex_attrs