G - Physics – 06 – F
Patent
G - Physics
06
F
G06F 3/14 (2006.01) G09G 5/00 (2006.01)
Patent
CA 2516881
The present invention relates generally to computer graphics, and more specifically to methods of, and systems for, configuring, controlling and accessing multiple hardware graphics layers that are used to compose a single video display. One aspect of the invention is broadly defined as follows: in a computer environment including a software application and an operating system running on a computer, the computer including a graphics card and a video display, the graphics card being operable to render images to the video display, the improvement comprising: the operating, system including a universal application programming interface (API) which supports hardware layers on graphics cards; the operating system being operable to: receive draw events via the universal API; determine what hardware layers are available on the graphics card, and what their parameters are; and respond to draw requests from the software application by rendering the draw requests selectively to any of the available hardware layers on the graphics card; whereby the computer environment allows software applications to exploit available hardware layers on the graphics card.
Donohoe David
Fry Darrin
Lin Angela
Qnx Software Systems
Qnx Software Systems Limited
Ridout & Maybee Llp
LandOfFree
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