DRI
This offers configuration information for the Direct Render Interface, which
shares 3D hardware access with applications. DRI is accessed through the device
nodes /dev/dri/cardN. Two options are used here:
Group
Specifies the group that should own the DRI device nodes. To limit DRI
access to specific users, create a group for this purpose and place the
selected users in that group (either by editing the /etc/group file or by using
the appropriate command-line tools, such as groupadd and usermod -G under
Linux).
3.7
3.7 Configuring the Pointer Device 51
Mode
Specifies the file permission mode for the DRI device nodes. Using a value of
0666 will enable every user of the system to access DRI (which is not necessarily
safe, but is the default).
VideoAdaptor
This is used to configure video streams for the Xv extension. I??™ve never seen this
section used.
Vendor
This is vendor-specific configuration information. This is rarely used, except that
some distribution-specific configuration tools use this section to identify that
they created the configuration file.
3.7 Configuring the Pointer Device
X -configure does a very basic job of configuring the mouse pointer. It assumes that
/dev/mouse is a symbolic link to the actual mouse device.
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