Experiments in Hybrid Raytraced Shadows

A few weeks ago I implemented a simple shadowmapping solution in the toy engine to try as a replacement for shadow rays during GI raytracing. Having the two solutions (shadomapping and RT shadows) side by side, along with some offline discussions I had, made me start thinking about how it would be possible to combine the two into a hybrid raytraced shadowed solution, like I did with hybrid raytraced reflections in the past. This blog post documents a few quick experiments I did to explore this issue a bit.

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Experiments in Hybrid Raytraced Shadows