Invention Grant
- Patent Title: Lossless compression for multisample render targets alongside fragment compression
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Application No.: US15477034Application Date: 2017-04-01
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Publication No.: US09912957B1Publication Date: 2018-03-06
- Inventor: Prasoonkumar Surti , Abhishek R. Appu , Michael J. Norris , Eric G. Liskay
- Applicant: Intel Corporation
- Applicant Address: US CA Santa Clara
- Assignee: Intel Corporation
- Current Assignee: Intel Corporation
- Current Assignee Address: US CA Santa Clara
- Agency: Alpine Technology Law Group LLC
- Main IPC: H03M7/00
- IPC: H03M7/00 ; H04N19/436 ; H04N19/85 ; G06T1/20 ; G06T15/50 ; G06T5/20 ; G06T7/13

Abstract:
One embodiment provides for a general-purpose graphics processor comprising a multisample antialiasing compression module to examine a number of colors to be stored for a set of sample locations of a pixel and allocate one or more planes to store color data for the set of sample locations of the pixel and a lossless compression module to apply lossless compression on the one or more planes and update a compression status in a compression control surface for each of the one or more planes.
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