From: Thomas Geymayer <tomgey@gmail.com>
Date: Tue, 24 Jun 2014 07:14:57 +0000 (+0200)
Subject: Draw Canvas GUI on top of PUI (to conform with event order).
X-Git-Url: https://git.mxchange.org/?a=commitdiff_plain;h=c65b2eb6b0adf2763e42e40aa39870f8bfdc0143;p=flightgear.git

Draw Canvas GUI on top of PUI (to conform with event order).
---

diff --git a/src/Viewer/CameraGroup.cxx b/src/Viewer/CameraGroup.cxx
index 1600ee564..53bd51517 100644
--- a/src/Viewer/CameraGroup.cxx
+++ b/src/Viewer/CameraGroup.cxx
@@ -1085,6 +1085,12 @@ CameraInfo* CameraGroup::buildGUICamera(SGPropertyNode* cameraNode,
     // The camera group will always update the camera
     camera->setReferenceFrame(Transform::ABSOLUTE_RF);
 
+    // Draw all nodes in the order they are added to the GUI camera
+    camera->getOrCreateStateSet()
+          ->setRenderBinDetails( 0,
+                                 "PreOrderBin",
+                                 osg::StateSet::OVERRIDE_RENDERBIN_DETAILS );
+
     getViewer()->addSlave(camera, Matrixd::identity(), Matrixd::identity(), false);
     //installCullVisitor(camera);
     int slaveIndex = getViewer()->getNumSlaves() - 1;
diff --git a/src/Viewer/renderer.cxx b/src/Viewer/renderer.cxx
index 9728f0f72..42f937571 100644
--- a/src/Viewer/renderer.cxx
+++ b/src/Viewer/renderer.cxx
@@ -1534,14 +1534,13 @@ FGRenderer::setupView( void )
     // plug in the GUI
     osg::Camera* guiCamera = getGUICamera(CameraGroup::getDefault());
     if (guiCamera) {
-        
-        osg::Geode* geode = new osg::Geode;
-        geode->addDrawable(new SGPuDrawable);
-        geode->addDrawable(new SGHUDDrawable);
-        guiCamera->addChild(geode);
-      
-        
-      guiCamera->addChild(FGPanelNode::create2DPanelNode());
+      osg::Geode* geode = new osg::Geode;
+      geode->addDrawable(new SGHUDDrawable);
+      geode->addDrawable(new SGPuDrawable);
+
+      // Draw first (eg. before Canvas GUI)
+      guiCamera->insertChild(0, geode);
+      guiCamera->insertChild(0, FGPanelNode::create2DPanelNode());
     }
     
     osg::Switch* sw = new osg::Switch;