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-rw-r--r--engine/src/opengl/vertex_array.rs11
1 files changed, 11 insertions, 0 deletions
diff --git a/engine/src/opengl/vertex_array.rs b/engine/src/opengl/vertex_array.rs
index e1e1a15..da5d91e 100644
--- a/engine/src/opengl/vertex_array.rs
+++ b/engine/src/opengl/vertex_array.rs
@@ -125,6 +125,17 @@ impl VertexArray
{
unsafe { gl::BindVertexArray(self.array) }
}
+
+ /// Does a weak clone of this vertex array. The vertex array itself is NOT copied in
+ /// any way this function only copies the internal vertex array ID.
+ ///
+ /// # Safety
+ /// The returned `VertexArray` must not be dropped if another `VertexArray`
+ /// referencing the same vertex array ID is used later.
+ pub unsafe fn clone_unsafe(&self) -> Self
+ {
+ Self { array: self.array }
+ }
}
impl Drop for VertexArray