Baking/generating Lightmapping does not work with Nvidia GPUs?!? Why?! Help Please

Unity Engine
1

Hi All,
I’m currently trying to Window > Rendering > Lighting and Generate Lighting with my Progessive GPU, I have a Geforce RTX 3070 so I know my GPU is good enough for pretty much anything, however Unity is telling me other wise.

  1. First error when trying to generate lighting openCL Error: Falling back to CPU Lightmapper. Error call back from context: CL_MEM_Object_Allocation_failure

I researched a solution which involved switching from my latest updated gameready driver to my latest released geforce Studio Driver.

When I went back into Unity to bake the lighting it no longer gave that first error with the openCL error, instead it switched me back to my CPU and gave this error : not enough gpu memory to fit an entire lightmap, trying tiled baking mode

I can’t seem to find any solution to this issue and hoping anyone has a quick fix for this. It seems ridiculous that Nvidia GPUs can’t perform this task in Unity.

Thank you in advance for your time in answering.

2

You’re running out of VRAM. Reduce atlas size.

3

Are you talking about the lightmap max size? so if it’s at 1024 default move it to 512? Does reducing the max size mess with quality/performance or are you talking the world it’s self?