Overdraw of opaque obj issue on Quest

Unity Engine
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1

I’ve already disabled Dynamic Batching and Instancing, but the renderer still tries to draw far object first.
This causes heavy overdraw for opaque obj, how should I fix this?(But on Editor, it seems working well from frame debugger)

2

any one?

3

Are all of those individual meshes?

Look into unity’s Occlusion Culling system: Working with Occlusion Culling - Unity Learn

4

thanks for reply, but my case is a random dungeon, so it’s not possible to bake culling info for it.