[Bf-committers] DOF with skewed z-buffer

[Reuben Martin]

What would it take to be able to render a z-buffer image, where the z
axis for the buffer was not perpendicular to the image plane?

If you've ever seen those large format cameras that look like little
accordions, you may notice that the lens can be tilted separately from
the back plate holding the film. The advantage to this is that you can
tilt the lens, and as a result tilt the focus plane in your
depth-of-field. For instance you could have the entire surface of a
table be in focus even though you were taking the picture from an
angle.

I'm thinking the same effect could be achieved with blender's z-buffer
based DOF effect it the z-buffer could be rendered with a skewed
z-buffer.

Is that possible?

-Reuben