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Zhigang Gong authored
If the dest pixmap is in texture memory, but source pixmap is not. Then we need to upload the source pixmap to texture memory. Previous version will upload the whole source pixmap. This commit preprocess the source pixmap, and reduce it to a smaller tempory pixmap only contains the required region. Signed-off-by: Zhigang Gong <zhigang.gong@linux.intel.com>
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