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    • 92. 发明授权
    • Memory system and method for improved utilization of read and write bandwidth of a graphics processing system
    • 用于改善对图形处理系统的读写带宽的利用的存储器系统和方法
    • US08446420B2
    • 2013-05-21
    • US13487802
    • 2012-06-04
    • William Radke
    • William Radke
    • G09G5/39G06T1/20G06F13/00
    • G09G5/39G09G2360/123
    • A system for processing graphics data. The graphics processing system includes an embedded memory array having at least three separate banks of single-ported memory in which graphics data are stored. A memory controller coupled to the banks of memory writes post-processed data to a first bank of memory while reading data from a second bank of memory. A synchronous graphics processing pipeline processes the data read from the second bank of memory and provides the post-processed graphics data to the memory controller to be written back to a bank of memory. The processing pipeline concurrently processes an amount of graphics data at least equal to that included in a page of memory. A third bank of memory is precharged concurrently with writing data to the first bank and reading data from the second bank in preparation for access when reading data from the second bank of memory is completed.
    • 用于处理图形数据的系统。 图形处理系统包括嵌入式存储器阵列,其具有存储图形数据的至少三个独立的单端口存储器组。 耦合到存储体的存储器控​​制器将从第二存储器存储器读取数据的后处理数据写入第一存储体。 同步图形处理流水线处理从第二存储体读出的数据,并将后处理的图形数据提供给存储器控制器以写回存储体。 处理流水线同时处理至少等于包含在存储器页中的图形数据量。 当从第二存储器存储器读取数据完成时,第三存储器组同时对第一存储体写入数据并从第二存储体读取数据以准备访问。
    • 94. 发明授权
    • Image display apparatus and control method thereof
    • 图像显示装置及其控制方法
    • US08373713B2
    • 2013-02-12
    • US13045906
    • 2011-03-11
    • Masahiro Funada
    • Masahiro Funada
    • G06F13/28G09G5/39
    • G09G5/391G09G5/395G09G2340/02G09G2360/06G09G2360/12H04N5/04H04N9/3185
    • An image display apparatus includes a memory 1 having a first mode and a second mode in which image data are sequentially written and read per frame and per sub-frame area respectively, a compressor 10 capable of switching a compression output state and an uncompressed output state in which a compression image data and an uncompressed image data are outputted respectively, and a decompressor 20 capable of switching a decompression output state and a non-decompression output state. A controller 6 switches the compressor from the uncompressed output state to the compression output state during a first input vertical blanking period, switches the decompressor from the non-decompression output state to the decompression output state during a first output vertical blanking period immediately after the first input vertical blanking period, and switches the memory from the second mode to the first mode during a first output vertical blanking period.
    • 图像显示装置包括具有第一模式和第二模式的存储器1,其中每帧和每个子帧区域顺序地写入和读取图像数据;压缩器10,其能够切换压缩输出状态和未压缩输出状态 分别输出压缩图像数据和未压缩图像数据,以及能够切换解压缩输出状态和非解压缩输出状态的解压缩器20。 在第一输入垂直消隐期间,控制器6将压缩器从未压缩输出状态切换到压缩输出状态,在紧接在第一输入垂直消隐期之后的第一输出垂直消隐期间,将解压缩器从非解压缩输出状态切换到解压缩输出状态 输入垂直消隐周期,并在第一个输出垂直消隐期间将存储器从第二模式切换到第一模式。
    • 96. 发明申请
    • METHOD AND SYSTEM FOR DISPLAYING USING BUFFER SWAPPING
    • 使用缓冲区切换显示的方法和系统
    • US20130021354A1
    • 2013-01-24
    • US13544165
    • 2012-07-09
    • Peter Anthony Van EerdRichard Jeffrey KehresCarl Edward Kilgour Pacey
    • Peter Anthony Van EerdRichard Jeffrey KehresCarl Edward Kilgour Pacey
    • G09G5/39
    • G09G5/399G09G5/346G09G5/393G09G2360/127
    • Methods and systems which may implement buffer swapping are provided. The methods include rendering, onto screen locations of a display screen, data from a memory having a first buffer and a second buffer, each buffer having respective buffer memory locations which correspond to the screen locations of the display screen. The methods can include: rendering first data from the first buffer onto the display screen; writing, to the second buffer, second data based on at least some of the first data from the first buffer by performing at least one of transforming at least some first data and changing corresponding screen locations of at least some first data from the first buffer, by writing at most once to each buffer memory location of the second buffer; and rendering the second data from the second buffer onto the display screen.
    • 提供了可能实现缓冲区交换的方法和系统。 所述方法包括将来自具有第一缓冲器和第二缓冲器的存储器的数据呈现在显示屏幕的屏幕位置上,每个缓冲器具有与显示屏幕的屏幕位置对应的各自的缓冲存储器位置。 所述方法可以包括:将第一数据从第一缓冲器呈现到显示屏上; 基于来自第一缓冲器的至少一些第一数据,通过执行至少一个变换至少一些第一数据并从第一缓冲器改变至少一些第一数据的相应屏幕位置来向第二缓冲器写入第二数据, 通过最多写入一次到第二缓冲器的每个缓冲存储器位置; 以及将所述第二数据从所述第二缓冲器呈现到所述显示屏上。
    • 99. 发明授权
    • Programmable data processing circuit
    • 可编程数据处理电路
    • US08339405B2
    • 2012-12-25
    • US12299671
    • 2007-05-07
    • Carlos Antonio Alba PintoRamanathan Sethuraman
    • Carlos Antonio Alba PintoRamanathan Sethuraman
    • G09G5/39G06F13/18G06F13/00
    • G06T1/60
    • A programmable data processing circuit has a memory for storing pixel values, or more generally data values as a function of position in a signal. The programmable data processing circuit supports instructions that include an indication of a selected parameter value set that indicates how a plurality of data values must be arranged for parallel output from a memory. Instructions that indicate different parameter value sets can be executed intermixed with one another. The programmable data processing circuit responds to instructions of this type by retrieving the selected parameter value sets from a parameter storage circuit (246), and controlling a switching circuit (22) between a memory port (21) of a memory circuit (20) and a data port (26) at least partly dependent on the selected parameter value set.
    • 可编程数据处理电路具有用于存储像素值的存储器,或更一般地,作为信号中的位置的函数的数据值。 可编程数据处理电路支持指令,其包括指示如何为存储器并行输出多个数据值的选定参数值集合的指示。 指示不同参数值集的指令可以执行相互混合。 可编程数据处理电路通过从参数存储电路(246)检索所选择的参数值集合以及控制存储器电路(20)的存储器端口(21)和存储器电路(20)的存储器端口(21)之间的切换电路(22)和 至少部分地依赖于所选择的参数值集合的数据端口(26)。
    • 100. 发明申请
    • GRAPHICS PROCESSING SYSTEMS
    • 图形处理系统
    • US20120293545A1
    • 2012-11-22
    • US13111658
    • 2011-05-19
    • Andreas Engh-HalstvedtJorn NystadEdvard SorgardFrode Heggelund
    • Andreas Engh-HalstvedtJorn NystadEdvard SorgardFrode Heggelund
    • G09G5/377G09G5/39
    • G06T15/40G06F17/30265G06T3/4038G06T11/001G06T11/40G06T11/60G06T2210/62G09G5/14G09G5/39G09G5/393
    • In a tile-based graphics processing system, when an overlay image is to be rendered onto an existing image, the existing tile data for the existing image from the frame buffer in the main memory is pre-loaded into the local colour buffer of the graphics processor (step 41). The overlay content is then rendered and used to modify the tile data stored in the colour buffer (step 44). When the data for a given sampling position stored in the tile buffer is modified as a result of the overlay image, a corresponding dirty bit for the tile region that the sampling position falls within is set (step 45). Then, when all the rendering for the tile has been completed, the dirty bits are examined to determine which regions of the tile have been modified (step 46). The modified tile regions are written back to the output image in the frame buffer in the main memory (step 47), but any regions whose dirty bits have not been set are not written back to the frame buffer in the main memory.
    • 在基于瓦片的图形处理系统中,当将覆盖图像呈现到现有图像上时,来自主存储器中的帧缓冲器的现有图像的现有瓦片数据被预加载到图形的本地颜色缓冲器中 处理器(步骤41)。 覆盖内容然后被渲染并用于修改存储在彩色缓冲器中的瓦片数据(步骤44)。 当存储在瓦片缓冲器中的给定采样位置的数据作为覆盖图像的结果被修改时,设置采样位置所在的瓦片区域的对应的脏位(步骤45)。 然后,当瓦片的所有渲染已经完成时,检查脏位以确定瓦片的哪些区域已被修改(步骤46)。 经修改的瓦片区域被写回到主存储器中的帧缓冲器中的输出图像(步骤47),但是没有设置脏位的任何区域都不会被写回到主存储器中的帧缓冲器。