An image processing apparatus capable of performing a plurality of types of image processes on image data includes a dividing unit adapted to divide input image data into area images, a data generation unit adapted to generate data including an area image and type information indicating a type of an image process to be performed, an image processing unit including a plurality of image processing sub-units each capable of being reconfigured so as to function as a circuit capable of performing selected one of the plurality of types of image processes, a commanding unit adapted to command at least one of the plurality of image processing sub-units to be reconfigured so as to function as a circuit for performing an image process specified by the type information, and a transfer control unit adapted to transfer the area image to the image processing sub-unit specified by the commanding unit.