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