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Question by kekkked · Oct 22, 2018 at 09:45 PM · lightingperformancelightperformance optimization

any physical/practical limit to number of lights in view?

I used to use a very outdated game engine where there was a limit of exactly 8 lights in the scene and if you added just one more to a scene with a single plane, a box and 8 lights on it even the best GPU and CPU PC would go below realtime. I think that had something to do with DirectX 9 or the rendering pipeline it used.

I'm sure Unity is up to date and doesn't have that issue, but I'm wondering whatever approach and shaders Unity uses for rendering lights, is there a similar limit of lights visible in the camera view I should never reach?

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