This is unidirectional path tracing with uniform random variables everywhere, 8 bounces, RR, MIS, NEE, Lambert BRDF.
Left side replaces uniform random variables with the tile. For subsequent pixels I shift the tile randomly over x and y, instead of adding an offset to each value.
Show-off, reference material & tools.
This is from one of my private projects where i included the masks some months ago, using 3 dimensions to compute SSAO, left with 64x64 tiled blue noise, right with 64x64 tiled white noise (but both using the same QMC set for the samples in each pixel then). For such a case it can make a really nice difference.
Better you leave here with your head still full of kitty cats and puppy dogs.
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