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From Jean-Sebastien Guay, "When the StatsHandler tries to find a context to add itself to, it will first look for a GraphicsWindow, and if none is found it will look for a GraphicsContext. This enables apps that do all their rendering to offscreen contexts (pbuffer) to still use the StatsHandler."

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Robert Osfield
2010-03-26 11:09:10 +00:00
parent 7fd81fdd06
commit 8547536387
1 changed files with 20 additions and 6 deletions
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26
src/osgViewer/StatsHandler.cpp
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@@ -260,21 +260,35 @@ void StatsHandler::reset()
void StatsHandler::setUpHUDCamera(osgViewer::ViewerBase* viewer)
{
osgViewer::GraphicsWindow* window = dynamic_cast<osgViewer::GraphicsWindow*>(_camera->getGraphicsContext());
// Try GraphicsWindow first so we're likely to get the main viewer window
osg::GraphicsContext* context = dynamic_cast<osgViewer::GraphicsWindow*>(_camera->getGraphicsContext());
if (!window)
if (!context)
{
osgViewer::Viewer::Windows windows;
viewer->getWindows(windows);
if (windows.empty()) return;
if (!windows.empty()) context = windows.front();
else
{
// No GraphicsWindows were found, so let's try to find a GraphicsContext
context = _camera->getGraphicsContext();
window = windows.front();
if (!context)
{
osgViewer::Viewer::Contexts contexts;
viewer->getContexts(contexts);
if (contexts.empty()) return;
context = contexts.front();
}
}
}
_camera->setGraphicsContext(window);
_camera->setGraphicsContext(context);
_camera->setViewport(0, 0, window->getTraits()->width, window->getTraits()->height);
_camera->setViewport(0, 0, context->getTraits()->width, context->getTraits()->height);
_camera->setRenderOrder(osg::Camera::POST_RENDER, 10);