3x3 spatial convolution in unity3d
Unity 2022.2.19 URP shadergraphs
some examples (sharpen.mat,blur.mat,whatever.mat)
fullscreen(post effect) examples (fs_fx_Unsharp_Mask.mat,fs_fx_3x3filter_Sharpen.mat)
sharpen / original
unsharp mask / original
sharpen + unsharp mask / original