Patent ID: 8675135

Claim:
A display apparatus, which comprises a memory having a memory area used to render a movie and a memory area used to render a graphic to be composited on the movie, and reads out and displays an image written in the memory, comprising: a unit which acquires rendering command information which describes rendering commands of the movie and the graphic; a determination unit which determines display modes of the movie and graphic with reference to the rendering command information; a unit which acquires maximum speed information indicating a maximum value of a read/write speed allowed for the memory; a decision unit which decides a first speed to be distributed to a read/write speed of the movie with respect to the memory and a second speed to be distributed to a read/write speed of the graphic with respect to the memory, of a maximum speed indicated by the maximum speed information, based on the determination result of said determination unit; and a control unit which controls a read/write access of an image with respect to the memory based on the rendering command information, in accordance with the speeds decided by said decision unit; wherein said decision unit decides the first speed and second speed by referring the determined display modes and table information which holds information, used to prescribe a speed to be distributed to the read/write speed of the movie and a speed to be distributed to the read/write speed of the graphic, in correspondence with each of combinations of display modes of the movie and display modes of the graphic, wherein the information held for each of the combinations corresponds to a combination of priority for the movie and priority for the graphic.