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hybrid-hack for graphics cards without a display: so far dumps a root window from one X-display into a window of another X-display.
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hybrid-windump Florian Berger 01.05.2011 ---------- dumps the root window of an x-display into another window on another x-display. so you can work on a hybrid graphics card (e.g. nvidia optimus) which doesnt have its own display. windump.c - as posted in firstname.lastname@example.org this is published as GPL, so everybody feel free to contribute or improve. first of all install the latest nvidia driver from www.nvidia.com and set up a dual head xorg.conf with one screen configured with the proprietary nvidia driver (an exmaple xorg.conf is in this repository - replace pci bus id's and resolution by that of your system) the nvidia device had to be the primary device for me, otherwise it wouldnt work (update: meanwhile its possible to use secondary with latest nvidia drivers). build windump by typing: make and invoked it by e.g. ./windump :0.0 :0.1 where :0.0 is the display of nvidia desktop and :0.1 is the display of the intel desktop more exact usage: ----------------- windump [srcdpy [destdpy]] [-s srcdpy] [-t destdpy] [-d delay_us] [-w windowdec] [-a autohide] [-i srcwinID] [srcdpy [destdpy]] srcdpy ...... source display to capture [default: :0.0] destdpy ..... target display where to display the captured screen [default: :0.1] delay_us .... time delay between frame captures in mycroseconds [default: 15000] windowdec ... enable window decoration [default: 0] autohide .... auto hide captured screen [default: 1] srcwinID .... window ID (in hex) to be captured if not root window [default: root window]