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    • 1. 发明授权
    • Methods and apparatus for toggling between graphics processing unit video scanouts
    • 用于在图形处理单元视频扫描之间切换的方法和装置
    • US08537146B1
    • 2013-09-17
    • US11566671
    • 2006-12-04
    • Fred D. NicklischMartin Schwarzer
    • Fred D. NicklischMartin Schwarzer
    • G06F3/038
    • G09G5/399G09G5/363G09G2360/06H04N13/194H04N13/398
    • One embodiment of the invention sets forth a method for toggling between video scanouts generated by a plurality of graphics processing units. The method includes the steps of transmitting a set of programming instructions to a first graphics processing unit and to a second graphics processing unit, configuring a first state machine within the first graphics processing unit to cause a trigger signal to be included with each video frame transmitted by the first graphics processing unit for display, and configuring a second state machine within the second graphics processing unit to cause a trigger signal to be included with each video frame transmitted by the second graphics processing unit for display. The method advantageously creates a direct relationship between the transmission frequencies of the individual graphics processing units and the switching frequency of a video bridge, not relying on a driver to control the video bridge switching.
    • 本发明的一个实施例提出了一种用于在由多个图形处理单元生成的视频扫描之间切换的方法。 该方法包括以下步骤:向第一图形处理单元和第二图形处理单元发送一组编程指令,配置第一图形处理单元内的第一状态机,以使每个发送的视频帧包括触发信号 通过第一图形处理单元进行显示,并且在第二图形处理单元内配置第二状态机,以使得由第二图形处理单元发送的每个视频帧包括触发信号以进行显示。 该方法有利地创建各个图形处理单元的传输频率与视频桥的切换频率之间的直接关系,而不依赖于驱动程序来控制视频桥接切换。
    • 3. 发明申请
    • System and Method for Selecting a Pixel Output Format
    • 用于选择像素输出格式的系统和方法
    • US20100079484A1
    • 2010-04-01
    • US12238643
    • 2008-09-26
    • Martin Schwarzer
    • Martin Schwarzer
    • G09G5/00
    • G09G5/00G09G3/20G09G2360/02
    • A method for selecting a pixel output format includes selecting a first pixel to be output, and determining whether the first pixel to be output overlaps with a second pixel. The second pixel is available in the first format from a first source, and in a second format from a second source. The method further includes converting the second pixel in the second format to the first format to produce a converted second pixel. The converted second pixel is compared to the second pixel having the first format, and the second pixel having the first format or the second pixel having the second format is selected for output based upon the comparison.
    • 用于选择像素输出格式的方法包括选择要输出的第一像素,以及确定要输出的第一像素是否与第二像素重叠。 第二像素以第一格式从第一来源以第二格式从第二来源可用。 该方法还包括将第二格式的第二像素转换为第一格式以产生转换的第二像素。 将转换的第二像素与具有第一格式的第二像素进行比较,并且基于该比较,选择具有第一格式的第二像素或具有第二格式的第二像素以进行输出。
    • 5. 发明授权
    • System and method for selecting a pixel output format
    • 用于选择像素输出格式的系统和方法
    • US08115778B2
    • 2012-02-14
    • US12238643
    • 2008-09-26
    • Martin Schwarzer
    • Martin Schwarzer
    • G09G5/00
    • G09G5/00G09G3/20G09G2360/02
    • A method for selecting a pixel output format includes selecting a first pixel to be output, and determining whether the first pixel to be output overlaps with a second pixel. The second pixel is available in the first format from a first source, and in a second format from a second source. The method further includes converting the second pixel in the second format to the first format to produce a converted second pixel. The converted second pixel is compared to the second pixel having the first format, and the second pixel having the first format or the second pixel having the second format is selected for output based upon the comparison.
    • 用于选择像素输出格式的方法包括选择要输出的第一像素,以及确定要输出的第一像素是否与第二像素重叠。 第二像素以第一格式从第一来源以第二格式从第二来源可用。 该方法还包括将第二格式的第二像素转换为第一格式以产生转换的第二像素。 将转换的第二像素与具有第一格式的第二像素进行比较,并且基于该比较,选择具有第一格式的第二像素或具有第二格式的第二像素以进行输出。
    • 7. 发明授权
    • Systems and methods for assembling image data for transmission across a digital video interface
    • 用于组合图像数据以在数字视频接口上传输的系统和方法
    • US08203573B1
    • 2012-06-19
    • US11958304
    • 2007-12-17
    • Martin Schwarzer
    • Martin Schwarzer
    • G09G5/02
    • G09G5/006G09G5/04G09G5/363G09G2340/0428G09G2370/12
    • A method for assembling image data for transport across a digital video interface includes receiving and converting first-formatted pixel data to a second-formatted pixel data. The second-formatted pixel data is readable by a rendering device, the second-formatted pixel data having a bit width that differs from an input bit width standard of the digital video interface. The second-formatted pixel data is assembled into a transport packet having a bit width which is equal to the input bit width standard of the digital video interface. The digital video interface is operable to receive the transport packet comprising the second-formatted pixel data, and thereby communicate the second-formatted pixel data to the rendering device.
    • 一种用于组合用于在数字视频接口上传输的图像数据的方法包括:接收并将第一格式的像素数据转换为第二格式的像素数据。 第二格式的像素数据可由渲染设备读取,第二格式的像素数据具有与数字视频接口的输入位宽标准不同的位宽度。 第二格式的像素数据被组装成具有等于数字视频接口的输入位宽度标准的位宽的传输分组。 数字视频接口可操作以接收包括第二格式的像素数据的传输分组,从而将第二格式的像素数据传送到呈现设备。