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This file describes how to build and run wayland. See NOTES for what
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wayland is or maybe will be some day. There's a google group for
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wayland/eagle discussion here:
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http://groups.google.com/group/wayland-display-server
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Wayland requires the eagle EGL stack available from
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git://people.freedesktop.org/~krh/eagle
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and currently assumes that eagle is checked out in a sibling
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directory, for example:
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~krh/src/wayland and
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~krh/src/eagle
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Eagle should work with a recent DRI driver from mesa, but I have mesa
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repo with an eagle branch here:
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git://people.freedesktop.org/~krh/mesa
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which provides and experimental DRI CopyBuffer extension, that lets
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wayland use the DRI driver and the hardware for implementing buffer
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swaps. Eagle needs to be compiled against the dri_interface.h from
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this branch to be able to use the CopyBuffer extension.
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To run wayland you currently need intel hardware, a kernel with gem
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and kernel modesetting, and it is necessary to set a couple of
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environment variables. First, set LD_LIBRARY_PATH:
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export LD_LIBRARY_PATH=$PWD:$PWD/../eagle
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Yes, this sucks, but libtool sucks more. Then to let eagle pick up
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the custom dri driver, set
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export EAGLE_DRIVER_PATH=$PWD/../mesa/lib
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and finally set up the path to the evdev device to use as a pointer
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device:
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export WAYLAND_POINTER=/dev/by-id/whatever-it's-called-event-mouse
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If you haven't already, load the i915 driver with modesetting:
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modprobe i915 modeset=1
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You may need to unload it first, if it's loaded already. Also, on
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Fedora, there may be a bogus /etc/modprobe.d/i915modeset preventing
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the modeset paramater from reaching the module. Nuke it.
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At this point you should be able to launch wayland and a couple of
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clients. Try something like:
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./wayland &
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./background <some png/jpg image smaller than 1024x768> &
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./flower &
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./flower &
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./flower &
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./window &
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./pointer &
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Maybe some day there'll be a script that does all this. Some day...
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And after all this work it may still not work or even oops your
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kernel. It's very much work in progress, so be prepared.
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cheers,
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Kristian
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