The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Nov. 24, 2015

Filed:

Apr. 17, 2014
Applicant:

Arm Limited, Cambridge, GB;

Inventors:

Daren Croxford, Cambridge, GB;

Tom Cooksey, Cambridge, GB;

Lars Ericsson, Trondheim, NO;

Sean Tristram Ellis, Farnham, GB;

Assignee:

ARM Limited, Cambridge, GB;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G09G 5/00 (2006.01); G06F 3/14 (2006.01); G06F 3/01 (2006.01);
U.S. Cl.
CPC ...
G06F 3/14 (2013.01); G06F 3/017 (2013.01);
Abstract

In a data processing system, an output surface, such as frame to be displayed, is generated as a plurality of respective regions with each respective region of the output surface being generated from a respective region or regions of one or more input surfaces. When a new version of the output surface is to be generated, for each region of the output surface it is determined which region or regions of the input surface or surfaces contribute to the region of the output surfaceand then checked whether the contributing region or regions of the input surface or surfaces have changed since the previous version of the output surface region was generated. If there has been a change in the contributing region or regions of the input surface or surfaces since the previous version of the region in the output surface was generated, the region of the output surface is regenerated


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