More import adjusting.

1 files changed, 12 insertions, 0 deletions

diff --git a/graphics/src/layer/mesh.rs b/graphics/src/layer/mesh.rs
index 8a6b1d70..0946317e 100644
--- a/graphics/src/layer/mesh.rs
+++ b/graphics/src/layer/mesh.rs
@@ -37,3 +37,15 @@ impl <'a> Into<Style> for Gradient {
         }
     }
 }
+
+/// Returns the number of total vertices & total indices of all [`Mesh`]es.
+pub fn attribute_count_of<'a>(meshes: &'a [Mesh<'a>]) -> (usize, usize) {
+    meshes
+        .iter()
+        .map(|Mesh { buffers, .. }| {
+            (buffers.vertices.len(), buffers.indices.len())
+        })
+        .fold((0, 0), |(total_v, total_i), (v, i)| {
+            (total_v + v, total_i + i)
+        })
+}