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1. 发明授权

US10043234B2 System and method for frame buffer decompression and/or compression 有权
公开(公告)号：US10043234B2
公开(公告)日：2018-08-07
申请号：US13732286
申请日：2012-12-31
申请人： NVIDIA Corporation
发明人： Jonathan Dunaisky , Steven E. Molnar , Christian Amsinck , Rui Bastos , Eric B. Lum , Justin Cobb , Emmett Kilgariff
IPC分类号： G06T17/00 , G06T1/60 , G06T9/00 , G09G5/393 , H04N19/426
摘要： A system and method for decompressing compressed data (e.g., in a frame buffer) and optionally recompressing the data. The method includes determining a portion of an image to be accessed from a memory and sending a conditional read corresponding to the portion of the image. In response to the conditional read, an indicator operable to indicate that the portion of the image is uncompressed may be received. If the portion of the image is compressed, in response to the conditional read, compressed data corresponding to the portion of the image is received. In response to receiving the compressed data, the compressed data is uncompressed into uncompressed data. The uncompressed data may then be written to the memory corresponding to the portion of the image. The uncompressed data may then be in-place compressed for or during subsequent processing.

2. 发明申请

US20150242988A1 METHODS OF ELIMINATING REDUNDANT RENDERING OF FRAMES 审中-公开
标题翻译：消除框架冗余渲染的方法
公开(公告)号：US20150242988A1
公开(公告)日：2015-08-27
申请号：US14627496
申请日：2015-02-20
申请人： Nvidia Corporation
发明人： Jeffrey Bolz , Xinheng Li , Eric Lum , Emmett Kilgariff
IPC分类号： G06T1/20 , G06T3/40 , G06T11/60
CPC分类号： G06T1/20
摘要： A method for reducing redundant rendering of frames includes receiving draw calls including state information for a frame. The method includes generating respective bounding boxes for the draw calls. The bounding box is generated based on vertex data, vertex programs and transformation matrices. The method includes comparing the draw calls of the frame to the draw calls of one or more previous frames and identifying draw calls that are not identical in the compared frames. The method includes identifying the bounding boxes containing altered regions of the frames based on the draw calls that are not identical in the compared frames. The method includes reducing the altered regions into a smaller set of clip rectangles and rendering only inside the clip rectangles.
摘要翻译：用于减少帧的冗余渲染的方法包括接收包括帧的状态信息的绘制呼叫。该方法包括为绘制调用生成相应的边界框。边界框是基于顶点数据，顶点程序和变换矩阵生成的。该方法包括将帧的绘制调用与一个或多个先前帧的绘制调用进行比较，并且识别在比较帧中不相同的绘制调用。该方法包括基于在比较帧中不相同的绘制调用来识别包含帧的改变区域的边界框。该方法包括将改变的区域减少为较小的一组剪辑矩形并且仅在剪辑矩形内部呈现。

3. 发明授权

US11367160B2 Simultaneous compute and graphics scheduling 有权
公开(公告)号：US11367160B2
公开(公告)日：2022-06-21
申请号：US16053341
申请日：2018-08-02
申请人： NVIDIA Corporation
发明人： Rajballav Dash , Gregory Palmer , Gentaro Hirota , Lacky Shah , Jack Choquette , Emmett Kilgariff , Sriharsha Niverty , Milton Lei , Shirish Gadre , Omkar Paranjape , Lei Yang , Rouslan Dimitrov
IPC分类号： G06T1/20 , G06F9/38 , G06F15/80
摘要： A parallel processing unit (e.g., a GPU), in some examples, includes a hardware scheduler and hardware arbiter that launch graphics and compute work for simultaneous execution on a SIMD/SIMT processing unit. Each processing unit (e.g., a streaming multiprocessor) of the parallel processing unit operates in a graphics-greedy mode or a compute-greedy mode at respective times. The hardware arbiter, in response to a result of a comparison of at least one monitored performance or utilization metric to a user-configured threshold, can selectively cause the processing unit to run one or more compute work items from a compute queue when the processing unit is operating in the graphics-greedy mode, and cause the processing unit to run one or more graphics work items from a graphics queue when the processing unit is operating in the compute-greedy mode. Associated methods and systems are also described.

4. 发明申请

US20140184601A1 SYSTEM AND METHOD FOR FRAME BUFFER DECOMPRESSION AND/OR COMPRESSION 审中-公开
标题翻译：用于框架缓冲和/或压缩的系统和方法
公开(公告)号：US20140184601A1
公开(公告)日：2014-07-03
申请号：US13732286
申请日：2012-12-31
申请人： NVIDIA CORPORATION
发明人： Jonathan Dunaisky , Steven E. Molnar , Christian Amsinck , Rui Bastos , Eric B. Lum , Justin Cobb , Emmett Kilgariff
IPC分类号： G06T1/60 , G06T9/00
CPC分类号： G06T1/60 , G06T9/00 , G09G5/393 , G09G2360/122 , H04N19/428
摘要： A system and method for decompressing compressed data (e.g., in a frame buffer) and optionally recompressing the data. The method includes determining a portion of an image to be accessed from a memory and sending a conditional read corresponding to the portion of the image. In response to the conditional read, an indicator operable to indicate that the portion of the image is uncompressed may be received. If the portion of the image is compressed, in response to the conditional read, compressed data corresponding to the portion of the image is received. In response to receiving the compressed data, the compressed data is uncompressed into uncompressed data. The uncompressed data may then be written to the memory corresponding to the portion of the image. The uncompressed data may then be in-place compressed for or during subsequent processing.
摘要翻译：一种用于解压缩压缩数据（例如，在帧缓冲器中）并可选地重新压缩数据的系统和方法。该方法包括从存储器确定要访问的图像的一部分，并发送对应于图像的该部分的条件读取。响应于条件读取，可以接收可操作以指示图像的部分未被压缩的指示符。如果图像的部分被压缩，则响应于条件读取，接收到对应于图像部分的压缩数据。响应于接收到压缩数据，压缩数据被解压缩成未压缩的数据。然后可以将未压缩的数据写入与图像的该部分对应的存储器。然后可以对未压缩的数据进行就地压缩或在后续处理期间进行压缩。

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