Rendering of disjoint and overlapping blits

Methods, apparatuses, and systems are presented for modifying data in memory associated with an image, involving processing data operations in a pipelined process affecting data in memory corresponding to the image. The data operations include a first data operation involving a first read operation...

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Bibliographic Details
Main Authors Molnar, Steven E, Legakis, Justin
Format Patent
LanguageEnglish
Published 24.03.2009
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Summary:Methods, apparatuses, and systems are presented for modifying data in memory associated with an image, involving processing data operations in a pipelined process affecting data in memory corresponding to the image. The data operations include a first data operation involving a first read operation followed by a first write operation, and a second data operation involving a second read operation followed by a second write operation. After starting the first read operation, a determination is made whether data associated with the first data operation overlaps with data associated with the second data operation. If a data overlap occurs, the second read operation is started after the first write operation is completed, and if no data overlap occurs, the second read operation is started before the first write operation is completed.