Support grad for depth only in rasterizer#122

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wanmeihuali wants to merge 2 commits intomainfrom grad_depth

+68-2

Commits on Sep 9, 2023

Support grad for depth only in rasterizer
wanmeihuali
committed

Commits on Sep 10, 2023

set default value for depth grad to 0.
wanmeihuali
authored