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EXTENDED GRAPHICS CONTEXT WITH DIVIDED COMPOSITING

  • US 20120081354A1
  • Filed: 09/27/2011
  • Published: 04/05/2012
  • Est. Priority Date: 10/01/2010
  • Status: Active Grant
First Claim
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1. A method for maintaining display of application graphics for a first application and a second application, both compiled for and in active concurrent execution within a first operating system, the method comprising:

  • establishing an extended rendering context of the first operating system having a first context space of the extended rendering context associated with the first application and a second context space of the extended rendering context associated with the second application, the first and second context spaces being non-overlapping;

    calculating updates to surfaces of the first application and the second application using the first operating system;

    rendering the updated surfaces of the first application according to the first context space using the first operating system to generate a first graphics frame in a frame buffer of the first operating system; and

    rendering the updated surfaces of the second application according to the second context space using the first operating system to generate a second graphics frame in a shared memory location accessible by both the first operating system and a second operating system running concurrently on a shared kernel.

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