Enable a-svfg for denosing (Q2RTX) #29
Description
Paper (svfg):
https://cg.ivd.kit.edu/publications/2017/svgf/svgf_preprint.pdf
Paper (a-svfg):
https://cg.ivd.kit.edu/publications/2018/adaptive_temporal_filtering/adaptive_temporal_filtering.pdf
Nvidia implementation in Q2RTX
https://github.com/NVIDIA/Q2RTX/blob/master/src/refresh/vkpt/shader/asvgf.glsl
https://de45xmedrsdbp.cloudfront.net/Resources/files/TemporalAA_small-59732822.pdf