r.Upscale.Quality

Defines the quality in which ScreenPercentage and WindowedFullscreen scales the 3d rendering 0: Nearest filterin 1: Simple Bilinea 2: Directional blur with unsharp mask upsample 3: 5-tap Catmull-Rom bicubic, approximating Lanczos 2. (default 4: 13-tap Lanczos 3 5: 36-tap Gaussian-filtered unsharp mask (very expensive, but good for extreme upsampling)