I have 2 questions:

1. Is it possible to only use a geometry shader without using any other shaders? I know it's possible to just use a vertex shader without using any other shaders, is it possible with a geometry shader as well, or does it require a vertex shader?

2. I saw that you can use a Texture2DArray, not just a slice of it, to construct an ID3D11DepthStencilView. Is it actually possible and if so, how do I write the individual depth values from a shader (not per pixel, since I don't want to use a pixel shader)?

Thank you