I have manually generated a depthmap based on the vertices of my 3D-Model (no, i can't use the z-buffer in this case).
Unfortunately the depthmap is like a patchwork with many holes. This is how it looks like:
https://i.stack.imgur.com/ZHCKr.png
I somehow want to interpolate those missing holes, but i've never done something like this before and don't know how to approach this problem.
I was thinking about bicubic / bilinear interpolation. Is that what i need to apply to my problem?
If so, can you please explain to me how to undertake this approach? If that sort of interpolation is not the right one, how can i solve this hole problem?