From 5fc1d9205afc899aa7a3e6d6cffe3ed9deb88eb7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=BCrgen=20Herrmann?= <shadowrom@me.com>
Date: Tue, 18 Jun 2013 12:32:43 +0000
Subject: Cycles BVH Build fix for MSVC 2012. needs to include intrin.h for
 _BitScanForward and _BitScanReverse.

---
 intern/cycles/util/util_types.h | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'intern/cycles/util')

diff --git a/intern/cycles/util/util_types.h b/intern/cycles/util/util_types.h
index d4ff95b0663..32529e47c23 100644
--- a/intern/cycles/util/util_types.h
+++ b/intern/cycles/util/util_types.h
@@ -23,6 +23,11 @@
 
 #include <stdlib.h>
 
+	// Needed for _BistScanForward and _BitScanReverse on MSVC 2012 
+#	if defined(_MSC_VER) && _MSC_VER >= 1700
+#		include <intrin.h>
+#	endif
+
 #endif
 
 /* Qualifiers for kernel code shared by CPU and GPU */
-- 
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