cxSharedContextCreatedCallback.cpp

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/*=========================================================================
This file is part of CustusX, an Image Guided Therapy Application.
                 
Copyright (c) SINTEF Department of Medical Technology.
All rights reserved.
                 
CustusX is released under a BSD 3-Clause license.
                 
See Lisence.txt (https://github.com/SINTEFMedtek/CustusX/blob/master/License.txt) for details.
=========================================================================*/

#include "cxSharedContextCreatedCallback.h"

#include <vtkOpenGLRenderWindow.h>

#include "vtkRenderWindow.h"
#include "cxLogger.h"
#include "cxSharedOpenGLContext.h"
#include "cxRenderWindowFactory.h"

namespace cx
{

SharedContextCreatedCallback *SharedContextCreatedCallback::New()
{
        return new SharedContextCreatedCallback();
}

SharedContextCreatedCallback::SharedContextCreatedCallback() :
        mRenderWindowFactory(NULL)
{
}

void SharedContextCreatedCallback::setRenderWindowFactory(RenderWindowFactory *factory)
{
        mRenderWindowFactory = factory;
}

void SharedContextCreatedCallback::Execute(vtkObject *renderWindow, unsigned long eventId, void *cbo)
{
        if(!mRenderWindowFactory)
        {
                CX_LOG_ERROR() << "SharedContextCreatedCallback::Execute: RenderWindowFactoryPtr missing";
                return;
        }

        if(eventId == vtkCommand::CXSharedContextCreatedEvent)
        {
                vtkOpenGLRenderWindowPtr opengl_renderwindow = vtkOpenGLRenderWindow::SafeDownCast(renderWindow);

                if(SharedOpenGLContext::isValid(opengl_renderwindow))
                {
                        mRenderWindowFactory->setSharedRenderWindow(opengl_renderwindow);
                }
                else
                {
                        CX_LOG_WARNING() << "VTK render window is not an opengl renderwindow. This means we don't have an OpenGL shared context";
                }
        }
}

}//cx