Expose some OSG DisplaySettings to the property tree

diff --git a/src/Main/fg_os_osgviewer.cxx b/src/Main/fg_os_osgviewer.cxx
index a241e60c30104cde02f7546ff460c8f9afece720..a03cc747e859f7645853947f08b473e8d201f2cd 100644 (file)
--- a/src/Main/fg_os_osgviewer.cxx
+++ b/src/Main/fg_os_osgviewer.cxx
@@ -101,6 +101,80 @@ using namespace osg;
 static osg::ref_ptr<osgViewer::Viewer> viewer;
 static osg::ref_ptr<osg::Camera> mainCamera;
 
+static void setStereoMode( const char * mode )
+{
+    DisplaySettings::StereoMode stereoMode;
+    bool stereoOn = true;
+
+    if (strcmp(mode,"QUAD_BUFFER")==0)
+    {
+        stereoMode = DisplaySettings::QUAD_BUFFER;
+    }
+    else if (strcmp(mode,"ANAGLYPHIC")==0)
+    {
+        stereoMode = DisplaySettings::ANAGLYPHIC;
+    }
+    else if (strcmp(mode,"HORIZONTAL_SPLIT")==0)
+    {
+        stereoMode = DisplaySettings::HORIZONTAL_SPLIT;
+    }
+    else if (strcmp(mode,"VERTICAL_SPLIT")==0)
+    {
+        stereoMode = DisplaySettings::VERTICAL_SPLIT;
+    }
+    else if (strcmp(mode,"LEFT_EYE")==0)
+    {
+        stereoMode = DisplaySettings::LEFT_EYE;
+    }
+    else if (strcmp(mode,"RIGHT_EYE")==0)
+    {
+        stereoMode = DisplaySettings::RIGHT_EYE;
+    }
+    else if (strcmp(mode,"HORIZONTAL_INTERLACE")==0)
+    {
+        stereoMode = DisplaySettings::HORIZONTAL_INTERLACE;
+    }
+    else if (strcmp(mode,"VERTICAL_INTERLACE")==0)
+    {
+        stereoMode = DisplaySettings::VERTICAL_INTERLACE;
+    }
+    else if (strcmp(mode,"CHECKERBOARD")==0)
+    {
+        stereoMode = DisplaySettings::CHECKERBOARD;
+    } else {
+        stereoOn = false; 
+    }
+    DisplaySettings::instance()->setStereo( stereoOn );
+    DisplaySettings::instance()->setStereoMode( stereoMode );
+}
+
+static const char * getStereoMode()
+{
+    DisplaySettings::StereoMode stereoMode = DisplaySettings::instance()->getStereoMode();
+    bool stereoOn = DisplaySettings::instance()->getStereo();
+    if( !stereoOn ) return "OFF";
+    if( stereoMode == DisplaySettings::QUAD_BUFFER ) {
+        return "QUAD_BUFFER";
+    } else if( stereoMode == DisplaySettings::ANAGLYPHIC ) {
+        return "ANAGLYPHIC";
+    } else if( stereoMode == DisplaySettings::HORIZONTAL_SPLIT ) {
+        return "HORIZONTAL_SPLIT";
+    } else if( stereoMode == DisplaySettings::VERTICAL_SPLIT ) {
+        return "VERTICAL_SPLIT";
+    } else if( stereoMode == DisplaySettings::LEFT_EYE ) {
+        return "LEFT_EYE";
+    } else if( stereoMode == DisplaySettings::RIGHT_EYE ) {
+        return "RIGHT_EYE";
+    } else if( stereoMode == DisplaySettings::HORIZONTAL_INTERLACE ) {
+        return "HORIZONTAL_INTERLACE";
+    } else if( stereoMode == DisplaySettings::VERTICAL_INTERLACE ) {
+        return "VERTICAL_INTERLACE";
+    } else if( stereoMode == DisplaySettings::CHECKERBOARD ) {
+        return "CHECKERBOARD";
+    } 
+    return "OFF";
+}
+
 void fgOSOpenWindow(bool stencil)
 {
     viewer = new osgViewer::Viewer;
@@ -175,8 +249,19 @@ void fgOSOpenWindow(bool stencil)
     viewer->setSceneData(new osg::Group);
     globals->get_renderer()->setViewer(viewer.get());
     CameraGroup::setDefault(cameraGroup);
+
+    DisplaySettings * displaySettings = DisplaySettings::instance();
+    fgTie("/sim/rendering/osg-displaysettings/eye-separation", displaySettings, &DisplaySettings::getEyeSeparation, &DisplaySettings::setEyeSeparation );
+    fgTie("/sim/rendering/osg-displaysettings/screen-distance", displaySettings, &DisplaySettings::getScreenDistance, &DisplaySettings::setScreenDistance );
+    fgTie("/sim/rendering/osg-displaysettings/screen-width", displaySettings, &DisplaySettings::getScreenWidth, &DisplaySettings::setScreenWidth );
+    fgTie("/sim/rendering/osg-displaysettings/screen-height", displaySettings, &DisplaySettings::getScreenHeight, &DisplaySettings::setScreenHeight );
+    fgTie("/sim/rendering/osg-displaysettings/stereo-mode", getStereoMode, setStereoMode );
+    fgTie("/sim/rendering/osg-displaysettings/double-buffer", displaySettings, &DisplaySettings::getDoubleBuffer, &DisplaySettings::setDoubleBuffer );
+    fgTie("/sim/rendering/osg-displaysettings/depth-buffer", displaySettings, &DisplaySettings::getDepthBuffer, &DisplaySettings::setDepthBuffer );
+    fgTie("/sim/rendering/osg-displaysettings/rgb", displaySettings, &DisplaySettings::getRGB, &DisplaySettings::setRGB );
 }
 
+
 static int status = 0;
 
 void fgOSExit(int code)