I have a bunch of meshes, each with their own MeshRenderer, using a custom surface shader, and which are all sharing the same material. I would like to be able to turn Depth Testing on and off through a script at run time, but only for specific meshes at a time and without duplicating the material for each renderer.
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I know that when you access MeshRenderer.material for the first time, a copy of the MeshRenderer.sharedMaterial is created. If I do something like meshRenderer.sharedMaterial.SetInt("_ZTest", value), all of the meshes have their ZTest value changed, where I would only want to change it for specific ones.
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Is it possible to have the ZTest value be a [PerRendererData] that can be modified with a MaterialPropertyBlock? Are there any other solutions to this problem?
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