Updating graphical content based on dirty display buffers
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United States of America Patent
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Sep 30, 2014
Grant Date -
Oct 24, 2013
app pub date -
Apr 18, 2012
filing date -
Apr 18, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
A system improves the performance of buffering frames. After a buffer flip occurs when double buffering the frames, the system may update some portions of dirty buffer regions in a back buffer with changes between a source frame and an intermediate frame. The system may update other portions of the dirty buffer regions with changes between the intermediate frame and a target frame. An application may write to an application buffer or a display buffer depending on whether the application controls a region of the display buffer that corresponds to the application buffer.
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