Patent ID: 8677407

Claim:
An image display apparatus that receives a broadcast program and displays a video image relating to the broadcast program, the image display apparatus comprising: a communication unit configured to communicate with an external rendering apparatus that is connected to the image display apparatus; an instruction receiving unit configured to receive an instruction to display a predetermined image on a display unit; a rendering unit configured to generate a first graphic image corresponding to the predetermined image, the first graphic image being different from the video image relating to the broadcast program; an input unit configured to receive a second graphic image corresponding to the predetermined image from the external rendering apparatus, the second graphic image being different from the video image relating to the broadcast program; a control unit configured to, in a case where the instruction receiving unit received the instruction to display the predetermined image on the display unit, determine whether or not the external rendering apparatus is capable of generating the second graphic image, and acquire the first graphic image from the rendering unit or acquire the second graphic image from the external rendering apparatus based on the determination result; and an output unit that outputs the first graphic image or the second graphic image acquired by the control unit to the display unit, wherein in a case where the external rendering apparatus is capable of generating the second graphic image, the control unit sends an instruction via the communication unit to the external rendering apparatus to generate the second graphic image, and acquires the second graphic image from the external rendering apparatus via the input unit, and in a case where the external rendering apparatus is incapable of generating the second graphic image, the control unit sends an instruction to the rendering unit to generate the first graphic image, and acquires the first graphic image from the rendering unit.