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Old 04-06-10, 12:17 PM   #1
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Join Date: Oct 2008
Posts: 86
Default Why can't we have composite with overlay?

Why isn't it allowed to have the X composite extension turned on and overlay support in the nvidia driver?

Doesn't the overlay hardware just read the framebuffer and put the video where it sees a certain keycolour? Admittedly with composite and transparency you might get some funny effects over the video sometimes but I can't see any technical reason why it wouldn't work. And it would allow perfect vsync in a composite environment (which isn't currently possible at all).

Am I missing something here?
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