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Erik Kurzinger authored
Adds an augmented version of PresentPixmap supporting explicit synchronization with a direct rendering device. This takes the form of timeline DRM synchronization objects, along with acquire and release points on those timelines. Implementations advertising PresentCapabilitySyncobj will wait for the acquire point to be signaled before executing the PresentPixmap request, and signal the release point after any GPU operations on the pixmap have completed. Signed-off-by: Erik Kurzinger <ekurzinger@nvidia.com>