Provided by:
libggi-target-x_2.0.5-1.1ubuntu2_i386 
NAME
display-dga : Display using XFree86-DGA extension
SYNOPSIS
display-dga: [-noinput] [-nocursor] [-physz==>sizex>,<sizey>[dpi]]
[<display>]
DESCRIPTION
Uses the XFree86 DGA extension to do fullscreen direct framebuffer
access on X servers which support this. For systems without kernel
framebuffer support, the program must be run as root for this target to
be able to mmap /dev/mem.
OPTIONS
-noinput
XF86DGA events sent to the window are not captured and merged
with any other LibGII input sources. This allows one to take
input from raw devices without receiving duplicate events should
X also be configured to use the device.
-nocursor
Normal behavior of display-x and display-xlib is to create a
small dot mouse cursor pixmap which is visible when the mouse is
positioned over the window containing the visual. This can get
in the way of mouse cursors implemented by the application.
With this option, you will not see an X mouse cursor when it is
over the visual.
-physz==<sizex>,<sizey>[dpi]
This option will override the physical screen size reported by
the X server, which affects applications which wish to remain
resolution independent. sizex, sizey are the x,y size of the
screen in millimeters, unless the optional dpi string is
affixed, in which case, they represent resolution in dots-per-
inch. Yes, there are two equals signs there, for reasons of
compatibility with other targets.
display
The X display to connect to, otherwise defaults to the display
specified in DISPLAY.
ENVIRONMENT VARIABLES
GGI_DGA_FBDEV
specifies a framebuffer device to mmap instead of /dev/mem. This
allows you to use the DGA target without root privileges!
FEATURES
· DirectBuffer always available.
· Some operations may be accelerated depending on the X server
· Multiple frames
· Panning