From 72ff1737f4b056b7713e63206f76dba3f4c2c2fb Mon Sep 17 00:00:00 2001
From: Robert Osfield <robert@openscenegraph.com>
Date: Tue, 1 Feb 2005 13:19:34 +0000
Subject: [PATCH] Added support for OSG_CAMERA_THREADING env variable which is
 set to "SingleThreaded" will ensure that OsgCameraGroup runs singe threaded.

---
 src/osgProducer/OsgCameraGroup.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/osgProducer/OsgCameraGroup.cpp b/src/osgProducer/OsgCameraGroup.cpp
index b238b2a60..3b220e8a4 100644
--- a/src/osgProducer/OsgCameraGroup.cpp
+++ b/src/osgProducer/OsgCameraGroup.cpp
@@ -208,7 +208,9 @@ OsgCameraGroup::~OsgCameraGroup()
 
 void OsgCameraGroup::_init()
 {
-    _thread_model = ThreadPerCamera;
+    const char* str = getenv("OSG_CAMERA_THREADING");
+    if (str && strcmp(str,"SingleThreaded")==0) _thread_model = SingleThreaded;
+    else _thread_model = ThreadPerCamera;
 
     _scene_data = NULL;
     _global_stateset = NULL;