Hierarchical Bounding of Displaced Parametric Surfaces
    21.
    发明申请
    Hierarchical Bounding of Displaced Parametric Surfaces 有权
    位移参数曲面的分层边界

    公开(公告)号:US20110248997A1

    公开(公告)日:2011-10-13

    申请号:US12755506

    申请日:2010-04-07

    IPC分类号: G06T17/20 G06T15/00

    CPC分类号: G06T17/20

    摘要: Hierarchical bounding of displaced parametric surfaces may be a very common use case for tessellation in interactive and real-time rendering. An efficient normal bounding technique may be used, together with min-max mipmap hierarchies and oriented bounding boxes. This provides substantially faster convergence for the bounding volumes of the displaced surface, without tessellating and displacing the surface in some embodiments. This bounding technique can be used for different types of culling, ray tracing, and to sort higher order primitives in tiling architectures.

    摘要翻译: 位移参数曲面的分层边界可能是交互式和实时渲染中细分的非常常见的用例。 可以使用有效的正常边界技术,以及min-max mipmap层次结构和定向边界框。 这在一些实施例中对于位移表面的边界体积提供了显着更快的收敛,而没有镶嵌和移位表面。 这种边界技术可以用于不同类型的拣选,光线跟踪,以及排列平铺架构中的高阶原语。

    Method, Apparatus, and Computer Program Product For Improved Graphics Performance
    22.
    发明申请
    Method, Apparatus, and Computer Program Product For Improved Graphics Performance 有权
    方法,设备和计算机程序产品,用于改进图形性能

    公开(公告)号:US20110018874A1

    公开(公告)日:2011-01-27

    申请号:US12864113

    申请日:2009-01-23

    IPC分类号: G06T17/00

    摘要: A method for improving performance of generation of digitally represented graphics. The method comprises: receiving a first representation of a base primitive; providing a set of instructions associated with vertex position determination; executing said retrieved set of instructions on said first representation of said base primitive using bounded arithmetic for providing a second representation of said base primitive, and subjecting said second representation of said base primitive to a culling process. A corresponding apparatus and computer program product are also presented.

    摘要翻译: 一种用于提高数字代表图形生成性能的方法。 该方法包括:接收基本原语的第一表示; 提供与顶点位置确定相关联的一组指令; 在所述基本原语的所述第一表示上使用有界运算来执行所述检索的指令集,以提供所述基本基元的第二表示,以及对所述基本基元的所述第二表示进行剔除处理。 还提出了相应的装置和计算机程序产品。

    Feature block compression/decompression
    23.
    发明授权
    Feature block compression/decompression 有权
    功能块压缩/解压缩

    公开(公告)号:US07853092B2

    公开(公告)日:2010-12-14

    申请号:US11652144

    申请日:2007-01-11

    IPC分类号: G06K9/36 G06K9/46 G06K9/38

    CPC分类号: G06T9/20 G06T9/001 H04N19/99

    摘要: A compressor for compressing a block of feature vectors representing a feature associated with image elements, includes electronic circuitry for determining the distribution of the feature vectors, electronic circuitry for transforming each point pattern in a predetermined set of point patterns to fit the determined distribution, and a selector for selecting a transformed point pattern that best fits the determined distribution. Furthermore, an encoder represents the block of feature vectors by an identifier identifying the selected point pattern in the set of point patterns, parameters representing the transformation associated with the selected point pattern, and an index for each feature vector representing the nearest point in the transformed selected point pattern.

    摘要翻译: 用于压缩表示与图像元素相关联的特征的特征向量块的压缩器包括用于确定特征向量分布的电子电路,用于以预定的一组点图案转换每个点图案以适应所确定的分布的电子电路,以及 用于选择最适合所确定的分布的变换点图案的选择器。 此外,编码器通过识别标识点模式集合中的所选点模式的标识符,表示与所选点模式相关联的变换的参数以及表示变换后的最近点的每个特征向量的索引来表示特征向量块 选择点模式。

    Computer graphics processor and method for rendering a three-dimensional image on a display screen
    25.
    发明授权
    Computer graphics processor and method for rendering a three-dimensional image on a display screen 有权
    用于在显示屏幕上渲染三维图像的计算机图形处理器和方法

    公开(公告)号:US08803872B2

    公开(公告)日:2014-08-12

    申请号:US12095636

    申请日:2006-11-29

    IPC分类号: G06T15/00

    摘要: A computer graphics processor (20,50) and a method for rendering a three-dimensional image on a display screen. The computer graphics processor (20,50) comprises a rasterizer (23,53) configured to perform pixel traversal of a primitive after projection of the primitive. Furthermore, the rasterizer (23,53) is configured to perform the pixel traversal of a first primitive for a plurality of views prior to performing pixel traversal of a next primitive for one or several views.

    摘要翻译: 计算机图形处理器(20,50)和用于在显示屏幕上渲染三维图像的方法。 计算机图形处理器(20,50)包括光栅化器(23,53),其被配置为在所述原始投影之后执行图元的像素遍历。 此外,光栅化器(23,53)被配置为在对一个或多个视图执行下一个图元的像素遍历之前对多个视图执行第一基元的像素遍历。