Abstract: A computer graphics system is disclosed for generating pixel data corresponding to a plurality of pixels to be displayed. The computer graphics system includes a frame buffer having entries associated with each of the pixels. Each of the entries includes a subpixel data field, a plurality of display data fields, and a control field. For each entry the sub-pixel data field stores data corresponding to a set of sub-pixels, at least one of the plurality of display data fields stores data determined by filtering of the data of the sub-pixel data field of the entry, and the control field stores data representing a relationship between the sub-pixel data field of the entry and each of the plurality of display data fields of the entry.