d3d12: do not expose cube-map arrays
We're not yet equipped to support this internally. And it's not worth doing the work right now, because this is an OpenGL 4.0 feature.
So let's wait with this until later, an avoid exposing the extension.
We're not yet equipped to support this internally. And it's not worth doing the work right now, because this is an OpenGL 4.0 feature.
So let's wait with this until later, an avoid exposing the extension.