Clamping the filter size when using scaling factor > 1 fixes the issue. Without this, the filter becomes a dirac and samples gets only the fallback weight. This would results in a box blur instead of no filtering.
Clamping the filter size when using scaling factor > 1 fixes the issue. Without this, the filter becomes a dirac and samples gets only the fallback weight. This would results in a box blur instead of no filtering.