US 11,721,306 B2
Method and apparatus for providing a picture-in-picture (PIP) overlay window on a single physical monitor
Nitant Patel, Brampton (CA); Parimalkumar Patel, Toronto (CA); and Anthony Brown, Markham (CA)
Assigned to ATI TECHNOLOGIES ULC, Markham (CA)
Filed by ATI Technologies ULC, Markham (CA)
Filed on Dec. 11, 2020, as Appl. No. 17/119,360.
Claims priority of provisional application 63/083,385, filed on Sep. 25, 2020.
Prior Publication US 2022/0101814 A1, Mar. 31, 2022
Int. Cl. G09G 5/377 (2006.01); G09G 5/36 (2006.01); G06F 3/0482 (2013.01); G06F 9/455 (2018.01); G06F 3/0484 (2022.01)
CPC G09G 5/377 (2013.01) [G06F 3/0482 (2013.01); G06F 3/0484 (2013.01); G06F 9/45508 (2013.01); G09G 5/363 (2013.01); G06F 2203/04804 (2013.01); G09G 2340/12 (2013.01); G09G 2354/00 (2013.01)] 20 Claims
OG exemplary drawing
 
8. An apparatus for providing a picture-in-picture overlay on a single physical monitor comprising:
memory comprising stored executable instructions that define an operating system and a graphics driver;
at least one processor, in operative communication with the memory, configured to execute at least a portion of the stored executable instructions defining the operating system and the graphics driver;
a graphics processor, in operative communication with the memory and the at least one processor,
the at least one processor when executing the operating system and the graphics driver causing the graphics driver to:
output content of a first primary swap chain of the single physical monitor;
report to the operating system (OS), a request for a connection to a non-existent second monitor; and
ouput content of a second primary swap chain associated with the non-existent second monitor for display in an overlay window on the single physical monitor.