Canvas troubleshooting: Difference between revisions

Canvas troubleshooting (view source)

84 bytes added , 17 February 2015

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20,741

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@@ Line 771: / Line 771: @@
 traits->windowDecoration = false;
 traits->doubleBuffer = false;
+// http://forum.openscenegraph.org/viewtopic.php?t=10340
 traits->sharedContext = 0;
 traits->pbuffer = true;
@@ Line 782: / Line 784: @@
          _gc = osg::GraphicsContext::createGraphicsContext(traits.get());
      }
-v->getCamera()->setGraphicsContext(_gc.get());
-v->getCamera()->setViewport(new osg::Viewport(x,y,width,height));
-osgViewer::View* view = new osgViewer::View;
-view->setName("Main Canvas View");
-v.addView(view);
-view->setUpViewOnSingleScreen(0);
-//view->setSceneData(scene.get());
+if (gc.valid()) {
+ v->getCamera()->setGraphicsContext(_gc.get());
+ v->getCamera()->setViewport(new osg::Viewport(x,y,width,height));
+ osgViewer::View* view = new osgViewer::View;
+ view->setName("Main Canvas View");
+ v.addView(view);
+ view->setUpViewOnSingleScreen(0);
+ //view->setSceneData(scene.get());
+}
 </syntaxhighlight>