Hair strand shadowbuffer tests
Horizontal: 1, 3x3 or 8x8 shadowbuffer samples with 'soft' setting 1, 3 and 8
Shadowbuffer size 512x512 pixels
(Make browser window wide to show 3 images in a row)

Box sampled shadow

Full OSA render, Box sampled shadow

Tent filter sampled shadow

Full OSA render, Tent filter sampled shadow

Gauss filter sampled shadow

Full OSA render, Gauss filter sampled shadow