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Utkarsh Ayachit authored
This commit cleans up the code that manages remote rendering. This fixes several issues: #15205, #17611, #18940, #18152, #18938, and #18937. #17815 is also addressed since its no longer applicable. ParaView no longer creates a single render window to use among all vtkPVView instances on non-client processes like pvbatch or pvserver, pvrenderserver. This shared render window was the root cause of several headaches and necessitated classes like vtkPVSynchronizedRenderWindows and extra burden on views to re-direct several calls like creating windows, resizing windows to vtkPVSynchronizedRenderWindows. This is no longer the case. Non-client processes still have a single viewable window per proceses (vtkPVProcessWindow). However, this is not the window that each view renders into. Instead, each view creates its own vtkRenderWindow subclass. However, it's a FBO-based render window which shares the context with the process specific render window (created in vtkPVProcessWindow). This...
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