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公开(公告)号：US11468629B2
公开(公告)日：2022-10-11
申请号：US17061179
申请日：2020-10-01
Applicant: QUALCOMM Incorporated
Inventor： Bojan Vrcelj , Gerhard Reitmayr , Joseph Daniel Garvey
Abstract: The present disclosure relates to methods and apparatus for graphics processing. Aspects of the present disclosure may identify a first content group and a second content group in a scene. Further, aspects of the present disclosure may determine whether at least a portion of the first content group occludes or potentially occludes at least a portion of the second content group. Additionally, the present disclosure may represent the first content group and the second content group based on the determination whether at least a portion of the first content group occludes or potentially occludes at least a portion of the second content group. In some aspects, the first content group may include at least some real content and the second content group includes at least some augmented content. The present disclosure may also render at least a portion of surfaces of the first content group using an occlusion material.
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公开(公告)号：US11514641B2
公开(公告)日：2022-11-29
申请号：US17190758
申请日：2021-03-03
Applicant: QUALCOMM Incorporated
Inventor： Joseph Daniel Garvey , Bojan Vrcelj
Abstract: A client device of a split rendering graphics processing architecture, receives an encoded shading atlas for a current frame. The encoded shading atlas is characterized by slices. The client decodes the received encoded shading atlas and identifies unsuccessfully decoded slices. The client then determines whether each patch of the decoded shading atlas intersects an identified unsuccessfully decoded slice. The client determines, for each intersecting patch, whether a prior valid version of each intersecting patch is stored at the client device. The client error conceals each intersecting patch having a prior valid version stored at the client device with the corresponding prior valid version to create an error concealed atlas. The client renders the current frame using the error concealed atlas.
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公开(公告)号：US20210304483A1
公开(公告)日：2021-09-30
申请号：US16828808
申请日：2020-03-24
Applicant: QUALCOMM Incorporated
Inventor： Joseph Daniel Garvey , Dieter Schmalstieg , Bojan Vrcelj
Abstract: Methods, systems, and devices for computer graphics are described. A device may perform a shadow rendering operation in an object-space shading pipeline for a set of potentially visible surfaces. The device may represent the potentially visible surfaces in an atlas. The device may determine a set of world-space coordinates corresponding to the one or more potentially visible surfaces and may store the set of world-space coordinates in a geometry buffer (G-buffer). The device may determine a number of shadow factors associated with the potentially visible surfaces based on a transformation of the world-space coordinates stored in the G-buffer and a set of depth values associated with each shadow caster present in a scene. The device may store the shadow factors in an atlas shadow mask and perform a shading of the potentially visible surfaces in the atlas based on the atlas shadow mask.
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