Display driver on Debian

I installed Debian Lenny on an old Laptop. When testing a java program that I develop I get the following result:

Multibuffering not supported, Accelleration not supported, Flipping supported.

So I wonder if the right display driver is installed on my system. How can I find what driver is installed, and how can I change to a better driver?

My graphics device is:  Intel Corporation 82852/855GM Integrated Graphics Device (rev 02)

(Btw: I find 8 X11 graphics devices, all equal, on my system.).
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jstakkAsked:
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TobiasHolmCommented:
Hi!

Intel graphics drivers are included in the Debian core. You can use the following command to see if you have Intel drivers loaded:

lsmod |grep intel

Using the following command you can see info about your graphics card:

sudo lspci -v

Here you can find a driver for your graphics card to Linux: http://downloadcenter.intel.com/Detail_Desc.aspx?agr=Y&DwnldID=13815&ProdId=922&lang=eng

Regards, Tobias
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TobiasHolmCommented:
Also you can use this command to see if you have direct rendering support:

glxinfo | grep direct

Here are some info about compiling the latest Intel graphics drivers: http://intellinuxgraphics.org/install.html

"In general, Intel graphics driver is well integrated in Linux distributions so users won't worry about the driver setup.This guide is for those users who would like to build the latest driver from scratch. This will be useful when trying the upstream stuff and customize the graphics driver.Section 3 is for people who only need build the 2D driver to try a new 2D feature or bug fix. Section 4 and 5 are for people who want to build the whole stack including 3D."

Regards, Tobias
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jstakkAuthor Commented:
Thanks. I guess the correct driver is installed. It might just be to old to support multibuffering. Unfortunately this makes my application not very smooth, when fading from one image to another in fullscreen.
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gheistCommented:
multibuffering is .... obsolete, xvideo (as seen in xvinfo, playing like youtube videos) or opengl (glxinfo, like transparency effects in gnome or kde) has it.

intel driver supports mpeg offload so it is even better.
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