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热词
    • 3. 发明授权
    • Three-dimensional, texture mapping display system
    • 三维,纹理映射显示系统
    • US5469535A
    • 1995-11-21
    • US878151
    • 1992-05-04
    • Eugene JarvisEric L. Pribyl
    • Eugene JarvisEric L. Pribyl
    • A63F13/10G06F19/00G06T15/50G06T15/70
    • A63F13/52A63F13/10G06T15/04G06T15/50A63F2300/203A63F2300/66
    • A three-dimensional, texture mapping display system for displaying three-dimensional projected polygons with texture map on a two-dimensional raster display screen includes a host processor and a graphics co-processor. The host processor is responsive to input data from a host memory defining an overall image that is to be displayed on a three-dimensional form on a raster display device for generating command signals, screen coordinates on the display device, and corresponding texture space coordinates on a texture memory. The graphics co-processor is responsive to the command signals, screen coordinates, and corresponding screen space coordinates for determining destination addresses for each pixel on the screen space of the display device and for determining a corresponding source address applying surface texture data to the image for each destination address. The graphics co-processor includes a look-up table for storing Z-mapping function values so as to provide delta and acceleration values in texture space which can be used to determine the source addresses.
    • 用于在二维光栅显示屏幕上显示具有纹理图的三维投影多边形的三维纹理映射显示系统包括主处理器和图形协处理器。 主机处理器响应来自主机存储器的输入数据,其定义要在光栅显示装置上以三维形式显示的整体图像,用于产生命令信号,显示装置上的屏幕坐标和对应的纹理空间坐标 纹理记忆。 图形协处理器响应于命令信号,屏幕坐标和相应的屏幕空间坐标,以确定显示设备的屏幕空间上的每个像素的目的地地址,并且确定将表面纹理数据应用于图像的相应源地址 每个目的地址。 图形协处理器包括用于存储Z映射函数值的查找表,以便在纹理空间中提供可用于确定源地址的增量值和加速度值。