From 43d44c89e18d0c39524afa8451d1aef70d98913f Mon Sep 17 00:00:00 2001
From: Dzmitry Malyshau <kvarkus@gmail.com>
Date: Mon, 23 Aug 2021 16:50:34 -0400
Subject: [PATCH] Bump the vertex buffer sizes by 1

---
 wgpu-core/src/device/mod.rs | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/wgpu-core/src/device/mod.rs b/wgpu-core/src/device/mod.rs
index 7cd65e1de6..f2c68e3e20 100644
--- a/wgpu-core/src/device/mod.rs
+++ b/wgpu-core/src/device/mod.rs
@@ -504,6 +504,9 @@ impl<A: HalApi> Device<A> {
 
         let actual_size = if desc.size == 0 {
             wgt::COPY_BUFFER_ALIGNMENT
+        } else if desc.usage.contains(wgt::BufferUsages::VERTEX) {
+            // Bumping the size by 1 so that we can bind an empty range at the end of the buffer.
+            desc.size + 1
         } else {
             desc.size
         };