Render the Depth-Image only iff it is requested

Author: goldhoorn

graphics/src/GraphicsManager.cpp

@@ -1939,6 +1939,12 @@ namespace mars {
     void GraphicsManager::removeOSGNode(void* node) {
       scene->removeChild((osg::Node*)node);
     }
+
+    bool GraphicsManager::isDepthImageActive(){
+      if(!cfg) return false;
+      return cfg->getOrCreateProperty("Graphics", "renderDepthImage", false, this).bValue;
+    }
+
   } // end of namespace graphics
 } // end of namespace mars
 

graphics/src/GraphicsManager.h

@@ -296,6 +296,7 @@ namespace mars {
 
       void removeGraphicsWidget(unsigned long id);
       virtual bool isInitialized() const {return initialized;}
+      virtual bool isDepthImageActive();
     private:
 
       mars::interfaces::GraphicData graphicOptions;

graphics/src/GraphicsWidget.cpp

@@ -901,6 +901,9 @@ namespace mars {
         rttTexture->setImage(rttImage);
       }
 
+
+
+      if(gm->isDepthImageActive()){
         // depth component
         rttDepthTexture = new osg::Texture2D();
         rttDepthTexture->setResizeNonPowerOfTwoHint(false);
@@ -919,11 +922,9 @@ namespace mars {
                                      1, GL_DEPTH_COMPONENT, GL_UNSIGNED_INT);
 
         osgCamera->attach(osg::Camera::DEPTH_BUFFER, rttDepthImage.get());
-        
         std::fill(rttDepthImage->data(), rttDepthImage->data() + widgetWidth * widgetHeight * sizeof(GLuint), 0);
-        
         rttDepthTexture->setImage(rttDepthImage);
-
+      }
 
       graphicsCamera = new GraphicsCamera(osgCamera, widgetWidth, widgetHeight);
     }