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AIGLX packages for FC5 (and rawhide)



Hi,

I've set up a yum repository with AIGLX packages for FC5. It's on download.fedora.redhat.com:

  http://download.fedora.redhat.com/pub/fedora/projects/aiglx

and there's a aiglx.repo file there that can be dropped into /etc/yum.repos.d. With that,

	$ yum --enablerepo=aiglx update

should pull down the AIGLX package set. The packages are just the rawhide RPMs rebuilt for FC5, so they're a little rough around the edges. That said, if the metacity compositor isn't enabled (see below), things should be pretty stable.

Here's an overview of the features and tweakable settings in the current versions of the repository packages. Since rawhide has the same packages the instructions below can also be used with a recent rawhide system:

- metacity with compositing manager functionality. Turn it on using gconf-editor by enabling /apps/metacity/general/compositing_manager or alternatively, use

$ gconftool-2 -s /apps/metacity/general/compositing_manager --type bool true

- the metacity build in the repo has wobbly windows as an optional feature. Set the environment variable USE_WOBBLY to 1 and restart metacity. For example:

	$ USE_WOBBLY=1 metacity --replace &

- metacity also has an experimental screen magnifier built in. Like the wobbly windows this is enabled by setting an environment variable - USE_MAGNIFIER:

	$ USE_MAGNIFIER=1 metacity --replace &

- real translucency in gnome-terminal. Enable this by clicking the "Transparent background" radio box in the "Effects" tab of the termnal profile editor dialog. gnome-terminal may have to be restarted for this to take effect - pkill gnome-terminal should do the trick.

There are a number of known bugs with these packages, so go easy on bugzilla :). Specifically,

- The damage events doesn't always kick in, so sometimes window contents doesn't update properly. A workaround for this is to switch desktop back and forth.

- The drop shadows look weird on shaped/argb windows, for example xeyes, the notify bubbles and well, even the rounded metacity corners. The shadow code is due for an overhaul later, so we're not going to patch over this issue in the short term.

- Perfomance for in-window updates isn't always great. We're currently doing too much work when updating textures from pixmaps. It's still possible to optimize this further with the current setup, and longer term the memory architecture in the X server and DRI stack will see some changes that will allow us to optimize this further.

Have fun,
Kristian


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