From b704045e6c6006602d030157706195fbf2a87d0f Mon Sep 17 00:00:00 2001
From: Robert Osfield <robert@openscenegraph.com>
Date: Mon, 31 Oct 2005 14:48:11 +0000
Subject: [PATCH] Added default setting of _threading_model to ThreadPerCamera
 when multiple cameras are present, and SingleThreaded when a single camera is
 being used.

---
 src/osgProducer/OsgCameraGroup.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/osgProducer/OsgCameraGroup.cpp b/src/osgProducer/OsgCameraGroup.cpp
index 0659adf39..4cb51be80 100644
--- a/src/osgProducer/OsgCameraGroup.cpp
+++ b/src/osgProducer/OsgCameraGroup.cpp
@@ -211,6 +211,12 @@ static osg::ApplicationUsageProxy OsgCameraGroup_e3(osg::ApplicationUsage::ENVIR
 
 void OsgCameraGroup::_init()
 {
+    if (_cfg.valid())
+    {
+        // By default select ThreadPerCamera when we have multiple cameras.
+        _thread_model = (_cfg->getNumberOfCameras()>1) ? ThreadPerCamera : SingleThreaded;
+    }
+
     const char* str = getenv("OSG_CAMERA_THREADING");
     if (str)
     {