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3rdparty/osgXR/src/XRRealizeOperation.cpp

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+// SPDX-License-Identifier: LGPL-2.1-only
+// Copyright (C) 2021 James Hogan <james@albanarts.com>
+
+#include "XRRealizeOperation.h"
+
+#include "XRState.h"
+
+#include <osgViewer/GraphicsWindow>
+
+using namespace osgXR;
+
+XRRealizeOperation::XRRealizeOperation(osg::ref_ptr<XRState> state,
+                                       osgViewer::View *view) :
+    osg::GraphicsOperation("XRRealizeOperation", false),
+    _state(state),
+    _view(view),
+    _realized(false)
+{
+}
+
+void XRRealizeOperation::operator () (osg::GraphicsContext *gc)
+{
+    if (!_realized)
+    {
+        OpenThreads::ScopedLock<OpenThreads::Mutex> lock(_mutex);
+        gc->makeCurrent();
+
+        auto *window = dynamic_cast<osgViewer::GraphicsWindow *>(gc);
+        if (window)
+        {
+            _state->init(window, _view);
+            _realized = true;
+        }
+    }
+}