<div dir="ltr">Hi,<div><br></div><div>vtkOpenGLExtensionManager is missing in VTK 7.0 with the default VTK_RENDERING_BACKEND OpenGL2.</div><div><br></div><div>With the old OpenGL Backend up to VTK 6.3, I did something like this to get hold of the GL Driver, Renderer version etc.</div><div><br></div><div>```</div><div><div> ren = vtk.vtkRenderer()</div><div> renWin = vtk.vtkRenderWindow()</div><div> renWin.AddRenderer(ren)</div><div><br></div><div> # Now check the OpenGL metadata using the extension manager</div><div> em = vtk.vtkOpenGLExtensionManager()</div><div> em.SetRenderWindow(renWin)</div><div> renWin.Render()</div><div> em.Update()</div><div><br></div><div> vtk_ver = vtk.vtkVersion().GetVTKVersion()</div><div> gl_driver = em.GetDriverGLVersion()</div><div> gl_renderer = em.GetDriverGLRenderer()</div><div>```</div><div><br></div><div>What is the replacement for vtkOpenGLExtensionManager or with OpenGL2 backend, how do I get the above information?</div><div><br></div><div>Thanks,</div><div>Deepak</div><div><br></div><br>
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