From c466e46138eaa5289d664be517ecce1a1d66790d Mon Sep 17 00:00:00 2001
From: Nathan Vegdahl <cessen@cessen.com>
Date: Sun, 10 Jul 2016 17:45:10 -0700
Subject: [PATCH] Make BVH traversal stack bigger.

This is a stop-gap for a less-than ideal BVH construction.  It
should be reduced again once the BVH building is made less stupid.
---
 src/bvh.rs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/bvh.rs b/src/bvh.rs
index 5ee93e9..e4947bf 100644
--- a/src/bvh.rs
+++ b/src/bvh.rs
@@ -184,8 +184,8 @@ impl BVH {
             return;
         }
 
-        let mut i_stack = [0; 65];
-        let mut ray_i_stack = [rays.len(); 65];
+        let mut i_stack = [0; 256];
+        let mut ray_i_stack = [rays.len(); 256];
         let mut stack_ptr = 1;
 
         while stack_ptr > 0 {