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    • 1. 发明申请
    • COMPUTER GRAPHICS SYSTEM WITH ADAPTIVE PIXEL MULTISAMPLER
    • 具有自适应像素多媒体的计算机图形系统
    • WO1997041536A1
    • 1997-11-06
    • PCT/US1997007447
    • 1997-04-30
    • EVANS & SUTHERLAND COMPUTER CORPORATIONCOSMAN, Michael, A.DREWS, Michael, D.WATKINS, Gary, S.
    • EVANS & SUTHERLAND COMPUTER CORPORATION
    • G06T15/10
    • G06T15/503
    • An adaptive pixel multisampler (24) generates pixel data for display using an interlocking sub-pixel sampling pattern P and a frame buffer (26) organized as a per-polygon, per-pixel heap (64). The interlocking sampling pattern P provides the advantages of a multi-pixel shaped filter without pixel-to-pixel cross communication and without additional sub-pixels. The per-polygon, per-pixel heap (64) allocates frame buffer memory so that each pixel will have one set of data stored in the frame buffer (26) for every polygon that influences that pixel. This memory allocation scheme can significantly reduce frame buffer memory requirements. The polygon data is blended to properly handle processing of transparent polygons and polygon edges without the degradation of image quality found in conventional computer graphics systems.
    • 自适应像素多采样器(24)使用联锁子像素采样模式P和组织为每多边形每像素堆(64)的帧缓冲器(26)来生成用于显示的像素数据。 互锁采样模式P提供了多像素形滤波器的优点,不需要像素到像素的交叉通信,而不需要额外的子像素。 每个多边形每像素堆(64)分配帧缓冲存储器,使得每个像素将对于影响该像素的每个多边形具有存储在帧缓冲器(26)中的一组数据。 这种内存分配方案可以显着降低帧缓冲存储器的需求。 混合多边形数据以适当地处理透明多边形和多边形边缘,而不会降低传统计算机图形系统中的图像质量。