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840 Chapter 22: Customizing the User Interface
(depending on the specific display card), and
perfor ms perspective correction.
The driver works with high-color displays, which
provide a good trade-off between display quality
and memor y overhead. Incremental display
update works efficiently.
ThedisadvantagesoftheDirect3Ddriverareas
follows:
• The driver currently runs only under Windows
98, Windows Millennium, Windows 2000, and
Windows XP. (There is no multi-processor
Windows NT support.)
• Dual-plane operations are slow (if available),
andtherecanbesomeadditionaloverheadin
minimizing/maximizing v iewports due to the
way D3D allocates video memory.
You can download D3D drivers from this location:
w
ww.microsoft.com/windows/directx/.
Cus tom
Choose this if you have a custom driver insta lled
on your s ystem. Such custom dr ivers don’t u se
the software display driver (Heidi), OpenGL, or
Direct3D. If you don’t have such a driver installed,
this option is not available.
Configure Driver
Customize menu > Preferences > Preference Settings
dialog > Viewports tab > Display Drivers g roup >
Configure Driver button
You configure the current display driver using the
Viewports panel of the Preference Settings dialog.
Changes to a driver’s configuration take effect
immediately, and the configuration persists
between sessions. However, data downloaded to
thegraphicscardisnotregenerated.Forexample,
ifyouchangethetextureresolution,thehardware
continues to use the previous resolution until you
use the Material Editor to reload the texture.
The options in the driver configuration dialog
vary, depending on which driver is in use. This
reference describes the options for the software
display driver (page 3–840), Direct3D driver (page
3–844),andOpen G L dr iver (page 3–841).
If you use a custom driver, the options depend
on what the driver’s manufacturer provides. See
the m anufacturer’s documentation for f urther
information.
See also
Graphics Dr iver Setup Dialog (page 3–838)
ConfigureSoftwareDisplayDriverDialog(page
3–840)
Configure O penGL Dialog (page 3–841)
Configure Direct3D Dialog (page 3–844)
ConfigureSoftwareDisplayDriver
Dia log
Customize menu > Preferences > Preference S ettings
dialog > Viewports ta b > Display Drivers group >
Configure Driver button (when Software Display Driver
is the current driver)
Thesoftwaredisplaydriverdoesnotrequire
hardware acceleration.