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.
Patent No.:
Date of Patent:
Mar. 31, 2009
Filed:
Aug. 27, 2004
Applicant:
Ian R. Ollmann, San Mateo, CA (US);
Inventor:
Ian R. Ollmann, San Mateo, CA (US);
Assignee:
Apple Inc., Cupertino, CA (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G09G 5/36 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method and system to rotate a 2by 2array are described. Consistent with one embodiment of the present invention, the 2elements of the 2rows of a 2by 2array are loaded from memory into the vector registers of a processor's single instruction multiple data (SIMD) unit. Next, the elements of the rows in the top half of the array are interleaved with corresponding elements from a corresponding row in the bottom half of the array. The loading and interleaving operations are repeated N times before the results, stored in the vector registers, are written back to memory.