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Graphics processing units and methods for controlling rendering complexity using cost indications for sets of tiles of a rendering space
Graphics processing units and methods for controlling rendering complexity using cost indications for sets of tiles of a rendering space
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机译:使用渲染空间的瓦片集合的成本指示来控制渲染复杂度的图形处理单元和方法
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摘要
A graphics processing unit (GPU) processes graphics data using a rendering space which is sub-divided into a plurality of tiles. The GPU comprises cost indication logic configured to obtain a cost indication for each of a plurality of sets of one or more tiles of the rendering space. The cost indication for a set of tile(s) is suggestive of a cost of processing the set of one or more tiles. The GPU controls a rendering complexity by controlling the number of samples rendered and which primitives are rendered in tiles based on the cost indication for those tiles. This allows tiles to be rendered in a manner that is suitable based on the complexity of the graphics data within the tiles. In turn, this allows the rendering to satisfy constraints such as timing constraints even when the complexity of different tiles may vary significantly within an image.
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