It sounds like CVDisplayLink might be of use? From CVDisplayLink.h:
The main purpose of the CoreVideo DisplayLink API is to provide a
worker thread to the VideoUnit subsystem that is clocked based on the
refresh rate of a CGDirectDisplay device.
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Hi all,
I have been reading up on an area unfamiliar to me - fullscreen drawing and
display refresh rates. This is for a scientific application - we have a third
party external pixellated device which presents itself as a second monitor over
DVI, but with an unusually high refresh rate (about 2