Contents of supplemental material:
    File "dev.zip":
        "grip": Our own postprocessing framework, plugin-based. The used plugins are found in "gripNodes"     
        "gripNodes": Plugins for our postprocessing framework "grip"
        "spark": Our own OptiX-based path tracer, modified to implement the described HashCache functionalities
        "spark_pt": Our own OptiX-based path tracer
        "spatialSubdiv": Tool for determining the occupied cells of a scene
        "tonemapper": Tool for tonemapping an image based on our postprocessing framework "grip"
    File "eval.zip":
        "celldata": Contains the cell occupation data for scenes "Streets of Asia" and "Country Kitchen"        
        "configs": JSON config files for evaluation runs
        "fifar_sequences": camera paths used for evaluation
        "runscripts": Shell scripts for automated execution of evaluation runs
        "scenes": "Streets of Asia" and "Country Kitchen" in obj format
    File "results.zip": 
        Reference rendering and HashCache renderings for the both scenes used for evaluation