[seemack]

From what I've seen,the refractions happen in predictable contexts so I suspect that they'll be able to create shaders, etc that will limit the performance hit

[adastra22]

Ray tracing is done in shaders these days. Doesn't make it cheap.

[skhr0680]

The comment you’re replying to probably means “a shader that is a fine approximation of ray tracing (for cheap)”