From 0e50cfa17d5255d04381f78f52a5fd7c23078833 Mon Sep 17 00:00:00 2001
From: Jacob Gardner <jacobgardner@users.noreply.github.com>
Date: Tue, 5 Jun 2018 05:22:52 -0500
Subject: [PATCH] Fix instancing bug where we reference the first parameter for
 the number of instances (#965)

---
 vulkano/src/pipeline/vertex/one_one.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/vulkano/src/pipeline/vertex/one_one.rs b/vulkano/src/pipeline/vertex/one_one.rs
index 80ce8e87..ce00a447 100644
--- a/vulkano/src/pipeline/vertex/one_one.rs
+++ b/vulkano/src/pipeline/vertex/one_one.rs
@@ -104,7 +104,7 @@ unsafe impl<T, U> VertexSource<Vec<Arc<BufferAccess + Send + Sync>>>
         // FIXME: safety
         assert_eq!(source.len(), 2);
         let len = source[0].size() / mem::size_of::<T>();
-        let inst = source[0].size() / mem::size_of::<U>();
+        let inst = source[1].size() / mem::size_of::<U>();
         let s0 = source.remove(0);
         let s1 = source.remove(0);
         (vec![Box::new(s0) as Box<_>, Box::new(s1) as Box<_>], len, inst)