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/*=========================================================================
Program: Visualization Toolkit
Module: TestOSConeCxx.cxx
Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
All rights reserved.
See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notice for more information.
=========================================================================*/
// This test covers offscreen rendering.
//
// The command line arguments are:
// -I => run in interactive mode; unless this is used, the program will
// not allow interaction and exit
#include "vtkTestUtilities.h"
#include "vtkRegressionTestImage.h"
#include "vtkNew.h"
#include "vtkPolyDataMapper.h"
#include "vtkProperty.h"
#include "vtkRenderWindow.h"
#include "vtkRenderWindowInteractor.h"
#include "vtkRenderer.h"
#include "vtkSphereSource.h"
// test works on Windows, in the future we need to
// make sure it works for OSX and Linux/EGL
#ifdef WIN32
int TestToggleOSWithInteractor(int argc, char* argv[])
{
// run through a couple cases
vtkNew<vtkSphereSource> sphere;
sphere->SetRadius( 10.0 );
vtkNew<vtkPolyDataMapper> mapper;
mapper->SetInputConnection( sphere->GetOutputPort() );
vtkNew<vtkActor> actor;
actor->SetMapper( mapper.Get() );
vtkNew<vtkRenderer> renderer;
renderer->AddActor( actor.Get() );
{
vtkNew<vtkRenderWindow> renderWindow;
renderWindow->AddRenderer( renderer.Get() );
// 1) Try calling SupportsOpenGL to make sure that
// doesn't crash
renderWindow->SupportsOpenGL();
vtkNew<vtkRenderWindowInteractor> interactor;
interactor->SetRenderWindow( renderWindow.Get() );
interactor->Initialize();
// 2) try toggling offscreen rendering on and off
renderWindow->OffScreenRenderingOn();
renderWindow->Render();
renderWindow->OffScreenRenderingOff();
renderWindow->Render();
}
{
// 3) try doing it again with a new window
// but using existing old actor/rederer
vtkNew<vtkRenderWindow> renderWindow;
renderWindow->AddRenderer( renderer.Get() );
vtkNew<vtkRenderWindowInteractor> interactor;
interactor->SetRenderWindow( renderWindow.Get() );
interactor->Initialize();
renderWindow->OffScreenRenderingOn();
renderWindow->Render();
renderWindow->OffScreenRenderingOff();
renderWindow->Render();
// 4) try doing it again with offscreenbuffers
renderWindow->SetUseOffScreenBuffers(true);
renderWindow->OffScreenRenderingOn();
renderWindow->Render();
renderWindow->OffScreenRenderingOff();
renderWindow->Render();
}
int retVal = 0;
{
// 5) try doing it again with a new everything
vtkNew<vtkActor> actor2;
actor2->SetMapper( mapper.Get() );
actor2->GetProperty()->SetAmbient(1.0);
actor2->GetProperty()->SetDiffuse(0.0);
vtkNew<vtkRenderer> renderer2;
renderer2->AddActor( actor2.Get() );
vtkNew<vtkRenderWindow> renderWindow;
renderWindow->AddRenderer( renderer2.Get() );
vtkNew<vtkRenderWindowInteractor> interactor;
interactor->SetRenderWindow( renderWindow.Get() );
interactor->Initialize();
renderWindow->OffScreenRenderingOn();
renderWindow->SupportsOpenGL();
renderWindow->Render();
renderWindow->OffScreenRenderingOff();
renderWindow->Render();
retVal = vtkRegressionTestImage( renderWindow.Get() );
if ( retVal == vtkRegressionTester::DO_INTERACTOR)
{
interactor->Start();
}
}
return !retVal;
#else
int TestToggleOSWithInteractor(int, char* [])
{
return 0;
#endif
}
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