Question simple compute shader working on RTX not on GTX

Hi i have a compute shader that cuts and mirrors mesh at runtime. It works perfectly smooth on a pc with an RTX card, but on an GTX1070 it doesn't complete the mirroring correct. It draws the Positive side, but for the negative side i just get a bunch of lines at the same position. If i debug the vertices, then it seems like all the y and z values are set to 0 only the x are correct...
you can see the orange dot on the negative mesh side.

this is how the mesh looks (never mind the high number of vertices, I keep doubles, its not just the unique verts.)

 

Hmm turns out its because i put some structured buffer to Raw when creating, i though that was the proper procedure for a non RW Structured buffer?
anyway changing to structured solved it.