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:
Mar. 24, 2020

Filed:

Dec. 05, 2017
Applicant:

Advanced Micro Devices, Inc., Santa Clara, CA (US);

Inventors:

Usame Ceylan, San Diego, CA (US);

Young In Yeo, San Diego, CA (US);

Todd Martin, Orlando, FL (US);

Vineet Goel, San Diego, CA (US);

Assignee:

ADVANCED MICRO DEVICES, INC., Santa Clara, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06T 9/00 (2006.01); G06T 1/20 (2006.01); G06T 15/00 (2011.01); G06T 11/00 (2006.01);
U.S. Cl.
CPC ...
G06T 1/20 (2013.01); G06T 9/00 (2013.01); G06T 9/001 (2013.01); G06T 11/001 (2013.01); G06T 15/005 (2013.01); G06T 2210/08 (2013.01);
Abstract

A compute unit accesses a chunk of bits that represent indices of vertices of a graphics primitive. The compute unit sets values of a first bit to indicate whether the chunk is monotonic or ordinary, second bits to define an offset that is determined based on values of indices in the chunk, and sets of third bits that determine values of the indices in the chunk based on the offset defined by the second bits. The compute unit writes a compressed chunk represented by the first bit, the second bits, and the sets of third bits to a memory. The compressed chunk is decompressed and the decompressed indices are written to an index buffer. In some embodiments, the indices are decompressed based on metadata that includes offsets that are determined based on values of the indices and bitfields that indicate characteristics of the indices.


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