1. A display apparatus, comprising: a display panel which comprises a plurality of sub pixels outputs a sub pixel value which is one of a red sub pixel value, a green sub pixel value, and a blue sub pixel value; a renderer which renders a multi-view image to be outputted by the display panel; and a controller which determines a rendering pitch based on a viewing distance of a user, and controls the renderer so that at least some of the plurality of sub pixels output a combined sub pixel value, wherein the combined sub pixel value is a combination of values for a sub pixel from at least two different image views of a plurality of image views of the multi-view image, and the combined sub pixel value is determined based on the determined rendering pitch.