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    ASSIGNING GEOMETRY FOR PRETESTING AGAINST SCREEN REGIONS FOR AN IMAGE FRAME USING PRIOR FRAME INFORMATION
    43.
    发明公开
    ASSIGNING GEOMETRY FOR PRETESTING AGAINST SCREEN REGIONS FOR AN IMAGE FRAME USING PRIOR FRAME INFORMATION 审中-公开

    公开(公告)号：US20230222620A1

    公开(公告)日：2023-07-13

    申请号：US18183823

    申请日：2023-03-14

    Applicant: Sony Interactive Entertainment Inc.

    Inventor： Mark E. Cerny ,  Florian Strauss ,  Tobias Berghoff

    IPC: G06T1/20 ,  G06T7/60 ,  G06V10/72

    CPC classification number: G06T1/20 ,  G06T7/60 ,  G06V10/72

    Abstract: A method including rendering graphics for an application using graphics processing units (GPUs). Responsibility for rendering of geometry is divided between GPUs based on screen regions, each GPU having a corresponding division of the responsibility which is known. First pieces of geometry are rendered at the GPUs during a rendering phase of a previous image frame. Statistics are generated for the rendering of the previous image frame. Second pieces of geometry of a current image frame are assigned based on the statistics to the GPUs for geometry testing. Geometry testing at a current image frame on the second pieces of geometry is performed to generate information regarding each piece of geometry and its relation to each screen region, the geometry testing performed at each of the GPUs based on the assigning. The information generated for the second pieces of geometry is used when rendering the geometry at the GPUs.

    Game application providing scene change hint for encoding at a cloud gaming server
    45.
    发明授权
    Game application providing scene change hint for encoding at a cloud gaming server 有权

    公开(公告)号：US11539960B2

    公开(公告)日：2022-12-27

    申请号：US17037425

    申请日：2020-09-29

    Applicant: Sony Interactive Entertainment Inc.

    Inventor： Mark E. Cerny ,  Kelvin M. Yong

    IPC: H04N19/142 ,  A63F13/352 ,  H04N19/177 ,  H04N19/179

    Abstract: A method for encoding including executing game logic built on a game engine of a video game at a cloud gaming server to generate video frames. The method including executing scene change logic to predict a scene change in the video frames based on game state collected during execution of the game logic. The method including identifying a range of video frames that is predicted to include the scene change. The method including generating a scene change hint using the scene change logic, wherein the scene change hint identifies the range of video frames, wherein the range of video frames includes a first video frame. The method including delivering the first video frame to an encoder. The method including sending the scene change hint from the scene change logic to the encoder. The method including encoding the first video frame as an I-frame based on the scene change hint.

    SYSTEM AND METHOD FOR EFFICIENT MULTI-GPU RENDERING OF GEOMETRY BY PRETESTING AGAINST INTERLEAVED SCREEN REGIONS BEFORE RENDERING
    48.
    发明申请
    SYSTEM AND METHOD FOR EFFICIENT MULTI-GPU RENDERING OF GEOMETRY BY PRETESTING AGAINST INTERLEAVED SCREEN REGIONS BEFORE RENDERING 有权

    公开(公告)号：US20210241412A1

    公开(公告)日：2021-08-05

    申请号：US16780680

    申请日：2020-02-03

    Applicant: Sony Interactive Entertainment Inc.

    Inventor： Mark E. Cerny ,  Florian Strauss ,  Tobias Berghoff

    IPC: G06T1/20

    Abstract: A method for graphics processing. The method including rendering graphics for an application using a plurality of graphics processing units (GPUs). The method including dividing responsibility for the rendering of geometry of the graphics between the plurality of GPUs based on a plurality of screen regions that are interleaved, each GPU having a corresponding division of the responsibility which is known to the plurality of GPUs. The method including assigning a GPU a piece of geometry of an image frame generated by an application for geometry pretesting. The method including performing geometry pretesting at the GPU to generate information regarding the piece of geometry and its relation to each of the plurality of screen regions. The method including using the information at each of the plurality of GPUs when rendering the image frame.

    Synchronization and offset of VSYNC between cloud gaming server and client
    50.
    发明授权
    Synchronization and offset of VSYNC between cloud gaming server and client 有权

    公开(公告)号：US10974142B1

    公开(公告)日：2021-04-13

    申请号：US16696040

    申请日：2019-11-26

    Applicant: Sony Interactive Entertainment Inc.

    Inventor： Mark E. Cerny ,  Kelvin M. Yong

    IPC: A63F13/358 ,  H04N21/242 ,  H04N21/43 ,  H04N21/4402 ,  H04N21/442 ,  A63F13/44 ,  H04N21/8547

    Abstract: A method is disclosed including setting, at a server, a server VSYNC signal to a server VSYNC frequency. The server VSYNC signal corresponding to generation of video frames during frame periods for the server VSYNC frequency. The method including setting, at a client, a client VSYNC signal to a client VSYNC frequency. The method including sending compressed video frames from the server to the client over a network using the server VSYNC signal, wherein the compressed video frames are based on the generated video frames. The method including decoding and displaying, at the client, the compressed video frames. The method including analyzing the timing of one or more client operations to adjust the relative timing between the server VSYNC signal and the client VSYNC signal, as the client receives the compressed video frames.

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