Abstract: A display apparatus including image renderer, camera and processor. The processor or external processor communicably coupled to said processor is configured to: render at least one extended-reality image during first mode of operation of display apparatus; determine second mode of operation to which display apparatus is to be switched; control camera to capture at least one real-world image of real-world environment; generate at least one composite image from at least one next extended-reality image and at least one real-world image, wherein first portion of at least one composite image is derived from at least one next extended-reality image, and second portion of at least one composite image is derived from at least one real-world image; and render at least one composite image during second mode of operation of display apparatus.