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Chris Wilson authored
Before we indicate return control of the SHM Pixmap to the client (that is prior to the next XReply), we ensure that the original SHM buffer is uptodate with any changes made on the GPU. We must flush the GPU writes back to the CPU and so not allow ourselves to keep the dirty cache of the GPU bo. Closes: #189 Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Alexei Podtelezhnikov <apodtele@gmail.com> Tested-by: Alexei Podtelezhnikov <apodtele@gmail.com>
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