Added winID to fix second windows in OGRE2.2 (#292)

Signed-off-by: ahcorde <ahcorde@gmail.com>

Author: ahcorde

src/plugins/minimal_scene/MinimalScene.cc

@@ -466,6 +466,9 @@ void IgnRenderer::Initialize()
 
   std::map<std::string, std::string> params;
   params["useCurrentGLContext"] = "1";
+  params["winID"] = std::to_string(
+    ignition::gui::App()->findChild<ignition::gui::MainWindow *>()->
+      QuickWindow()->winId());
   auto engine = rendering::engine(this->engineName, params);
   if (!engine)
   {

src/plugins/scene3d/Scene3D.cc

@@ -1116,6 +1116,10 @@ void IgnRenderer::Initialize()
 
   std::map<std::string, std::string> params;
   params["useCurrentGLContext"] = "1";
+  params["winID"] = std::to_string(
+    ignition::gui::App()->findChild<ignition::gui::MainWindow *>()->
+      QuickWindow()->winId());
+
   auto engine = rendering::engine(this->engineName, params);
   if (!engine)
   {