An apparatus is disclosed for controlling pixel addressing of a pixel display device to drive the display device as an N view autostereoscopic display. A graphics controller (40) generates multiple views of a scene from different viewpoints. The graphics controller (40) selectively accesses a combined image memory buffer (43), so that portions of each view are written by the graphics controller (40) to allocated areas of the combined image memory buffer (43). A display (54) is driven according to the data in the combined memory buffer. This arrangement reduced data transfer volume for the generation of image data which comprises interleaved portions from individual images.