Assignments for parallel rasterization
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United States of America Patent
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Apr 29, 2008
Grant Date -
N/A
app pub date -
Oct 8, 2002
filing date -
Oct 8, 2002
priority date (Note) -
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status (Latency Note)
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Abstract
Methods and apparatus, including computer program products, to rasterize an image by generating assignments and allocating the assignments among multiple processor threads such that no two processor threads are rasterizing concurrently into overlapping regions of a pixel array. Multiple assignments are generated. Each assignment specifies one or more graphics objects and a region of the pixel array into which the specified graphics objects are to be rasterized. Multiple processes are established for rasterizing objects into a pixel array. Each process is operable to receive an assignment and to rasterize the objects of the assignment into the region of the assignment. Assignments are selected for concurrent execution by processes so that no two selected assignments have overlapping regions. The selected assignments are concurrently executed by separate processes to rasterize the respective objects of the assignments into their respective regions.
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Cited Art Landscape
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