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    • 2. 发明授权
    • Subset based compression and decompression of graphics data
    • 基于子集的图形数据压缩和解压缩
    • US09466090B2
    • 2016-10-11
    • US13922404
    • 2013-06-20
    • Prasoonkumar SurtiTomas G. Akenine-MollerJon N. HasselgrenCarl J. MunkbergJim. K. Nilsson
    • Prasoonkumar SurtiTomas G. Akenine-MollerJon N. HasselgrenCarl J. MunkbergJim. K. Nilsson
    • G06T1/60G06T11/40G06T9/00
    • G06T1/60G06T9/005G06T11/40
    • Techniques related to graphics rendering including techniques for compression and/or decompression of graphics data by use of indexed subsets are described. In one example, compression in graphics rendering may include determining a plurality of color values associated with individual pixels of a tile of pixels, generating a subset of the plurality of color values such that the subset of the plurality of color values include one or more distinct color values from the plurality of color values, associating an index value with each color value of the subset of the plurality of color values, determining, for each of the individual pixels, an associated pixel index value to generate a plurality of pixel index values associated with the individual pixels of the tile of pixels, storing, in memory, graphics data including the subset of the plurality of color values, the associated index values, and the plurality of pixel index values.
    • 描述与图形渲染相关的技术,包括通过使用索引子集来压缩和/或解压缩图形数据的技术。 在一个示例中,图形渲染中的压缩可以包括确定与像素块的各个像素相关联的多个颜色值,生成多个颜色值的子集,使得多个颜色值的子集包括一个或多个不同的颜色值 将索引值与多个颜色值的子集的每个颜色值相关联,为每个单独的像素确定相关联的像素索引值以生成与多个颜色值相关的多个像素索引值 与像素块的各个像素一起存储在存储器中,包括多个颜色值的子集,相关联的索引值和多个像素索引值的图形数据。