HP c3750 hp workstations - hp-ux 11.x graphics administration guide - Page 28

wide, the syntax is, Whereas for a logical screen that is two monitors tall by one monitor

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configuring X Windows on HP-UX (HP Visualize graphics cards) X Server configuration Note that if your machine has only one graphics device, the "Modify Multi-Screen Layout" menu option does not even appear, since multiple devices cannot occur in a single-device context. Note also that DHA (Direct Hardware Access) is supported in a window that spans multiple screens. "Spanning," in this context, includes a window that is two or more screens in size, as well as a window that is partially on one screen and partially on another (even though it would fit on a single screen if it were moved). SLS can also be enabled via the /etc/X11/X*screens file via the syntax: SingleLogicalScreen n m /dev/crt0 ... /dev/crtk where: n = the number of "rows" in the physical configuration, m = the number of "columns" in the physical configuration, and the product of n x m is less than or equal to four. For example, to create a logical screen that is one monitor tall by two monitors wide, the following syntax would be used: SingleLogicalScreen 1 2 /dev/crt0 /dev/crt1 Whereas for a logical screen that is two monitors tall by one monitor wide, the syntax is: SingleLogicalScreen 2 1 /dev/crt0 /dev/crt1 3D acceleration and single logical screen Currently, SLS does not take advantage of 3D acceleration (e.g. Visualize FX5). 3D applications (from any supported HP 3D API) will continue to run with SLS; However, 3D performance with SLS will be much slower than it is without SLS. hp CDE and single logical screen Please note that HP CDE has not been modified to take advantage of the Single Logical Screen capability. When presenting information on your display, HP CDE may split a window across physical screens. Examples include: 26 Chapter 2

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configuring X Windows on HP-UX (HP Visualize graphics cards)
X Server configuration
Chapter 2
26
Note that if your machine has only one graphics device, the “Modify
Multi-Screen Layout” menu option does not even appear, since multiple
devices cannot occur in a single-device context.
Note also that DHA (Direct Hardware Access) is supported in a window
that spans multiple screens.
“Spanning,” in this context, includes a window that is two or more
screens in size, as well as a window that is partially on one screen and
partially on another (even though it would fit on a single screen if it were
moved).
SLS can also be enabled via the /etc/X11/X*screens file via the syntax:
SingleLogicalScreen n m
/dev/crt0 ... /dev/crtk
where:
n = the number of “rows” in the physical configuration,
m = the number of “columns” in the physical configuration,
and the product of n x m is less than or equal to four.
For example, to create a logical screen that is one monitor tall by two
monitors wide, the following syntax would be used:
SingleLogicalScreen 1 2
/dev/crt0 /dev/crt1
Whereas for a logical screen that is two monitors tall by one monitor
wide, the syntax is:
SingleLogicalScreen 2 1
/dev/crt0 /dev/crt1
3D acceleration and single logical screen
Currently, SLS does not take advantage of 3D acceleration (e.g. Visualize
FX5). 3D applications (from any supported HP 3D API) will continue to
run with SLS; However, 3D performance with SLS will be much slower
than it is without SLS.
hp CDE and single logical screen
Please note that HP CDE has not been modified to take advantage of the
Single Logical Screen capability. When presenting information on your
display, HP CDE may split a window across physical screens. Examples
include: