search

gapszju / 3DGS-DR

3D Gaussian Splatting with Deferred Reflection
79 stars 5 forks source link

bg_map in backward.cu #11

Closed BigCiLeng closed 1 month ago

BigCiLeng commented 1 month ago

https://github.com/gapszju/3DGS-DR/blob/4077f1d4b45891885e6ebd1089da7bc51bee8afc/submodules/diff-gaussian-rasterization_c7/cuda_rasterizer/backward.cu#L554

i wonder if this should be modified or not as the code use a (3 h w) bg_map in alpha-blending process, (it may have little influence on the grad?

YessionCC commented 1 month ago

The bg_map has no impact at all. It's just my previous modification.

BigCiLeng commented 1 month ago

ok i see, thanks for your reply