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N V I D I A C o r p o r a t i o n
C h a p t e r 9
A d d i t i o n a l F e a t u r e s a n d E n h a n c e m e n t s
Default Color Depth for Textures
This option determines whether textures of a specific color depth should be used
by default in OpenGL applications.
•
Use desktop color depth
always uses textures of the color depth at which
your Windows desktop is currently running.
• The
Always use 16 bpp
and
Always use 32 bpp
options force the use of
textures of the specified color depth, regardless of your desktop settings.
Buffer Flipping Mode
Click the “down-arrow” to display the buffer-flipping modes for full-screen
OpenGL applications. You can select one of the following methods:
•
Use Block Transfer
is the block transfer method.
•
Auto-select
allows the driver to determine the best method based on your
hardware configuration.
Vertical Sync
Click to specify how vertical sync is handled in OpenGL.
•
Always off
. Always disables vertical sync in OpenGL applications.
•
Off by default
. Keeps vertical sync disabled unless an application
specifically requests that it be enabled.
•
On by default
. Keeps vertical sync enabled unless an application specifically
requests that it be disabled.
Using System Memory for Textures in PCI Mode
The option “Use up to _ MB of System Memory for Textures in PCI mode”
allows the graphics processor to utilize up to the specified amount of system
memory for texture storage (in addition to the memory installed on the display
adapter itself). This setting applies only to PCI display adapters, or AGP display
adapters running in PCI-compatibility mode.
Custom OpenGL Settings
This option shows a list of the custom settings (or "tweaks") you have saved.
Note:
This option applies only to Windows XP/2000/NT 4.0.
To activate the setting:
Tip:
The maximum amount of system memory that can be reserved for
texture storage is calculated based on the amount of physical RAM
installed in your computer. The more system RAM, the higher the value
you will be able to set.
nViewGuide_.book Page 129 Monday, August 11, 2003 4:03 PM