An image processing apparatus includes a host controller that controls a hardware resource, a guest controller, an emulator that is provided between the host controller and the guest controller and allows the guest controller to control the hardware resource, and a changer that changes an HDL program, wherein the guest controller includes a guest driver, the emulator includes a device emulator that emulates the hardware resource by executing the changed HDL program, and a switcher that switches control to any one of a first control for controlling the host controller in accordance with control of the hardware resource by the guest driver and allowing the hardware resource to be controlled, and a second control for controlling the device emulator in accordance with the control of the hardware resource by the guest driver.