Invention Grant
- Patent Title: Techniques to derive efficient conversion and/or color correction of video data
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Application No.: US15967462Application Date: 2018-04-30
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Publication No.: US10600143B2Publication Date: 2020-03-24
- Inventor: Aaron M. Ballow , Kenneth I. Greenebaum
- Applicant: Apple Inc.
- Applicant Address: US CA Cupertino
- Assignee: Apple Inc.
- Current Assignee: Apple Inc.
- Current Assignee Address: US CA Cupertino
- Agency: BakerHostetler
- Main IPC: G06F9/38
- IPC: G06F9/38 ; G06T1/20 ; H04N9/64

Abstract:
The present disclosure describes techniques for removing unnecessary processing stages from a graphics processing pipeline based on the format of data passed between the stages. Starting with a stage at a middle point in a pipeline, formats of data that are input to and output from the middle stage may be compared to each other. If the formats match, the middle stage may be removed from the pipeline. Thereafter, the format of data input to a pair of middle stages of the pipeline and output from the pipeline may be compared and, if they match, the middle pair may be deleted. This process may repeat until a middle pair is found where no match occurs between the input and output format. The remaining stages of the pipeline may be retained. In cases where a pipeline is not symmetrical, the formats of data at each node may be compared to each other. If a node possesses a format that does not match the format of any other node, then the stages between the node and its closest endpoint in the pipeline may be retained.
Public/Granted literature
- US20180315160A1 TECHNIQUES TO DERIVE EFFICIENT CONVERSION AND/OR COLOR CORRECTION OF VIDEO DATA Public/Granted day:2018-11-01
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