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