NVIDIA FX5500 User Guide - Page 81

XNVCTRLIsNvScreen(), XNVCTRLSetAttribute(), XNVCTRLSetAttributeAndGetStatus(), major, minor - fx 5500 driver for me

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CHAPTER 5 API Control ); This function returns True if the extension exists, False otherwise. major and minor are the extensionʹs major and minor version numbers. XNVCTRLIsNvScreen() Bool XNVCTRLIsNvScreen ( Display *dpy, int screen ); This function returns True is the specified screen is controlled by the NVIDIA driver, otherwise False. XNVCTRLSetAttribute() void XNVCTRLSetAttribute ( Display *dpy, int screen, unsigned int display_mask, unsigned int attribute, int value ); This function sets the attribute to the given value. Not all attributes require the display_mask parameter. See "NV_CTRL_GVO Attributes" on page 67 for details. Possible errors: • BadValue - The screen or attribute doesnʹt exist. • BadMatch - The NVIDIA driver is not present on that screen. XNVCTRLSetAttributeAndGetStatus() Bool XNVCTRLSetAttributeAndGetStatus ( Display *dpy, int screen, unsigned int display_mask, unsigned int attribute, int value NVIDIA Corporation Quadro FX 4500/5500 SDI User's Guide - Version 2.0 77

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NVIDIA Corporation
Quadro FX 4500/5500 SDI User’s Guide
– Version 2.0
77
C
HAPTER
5
API Control
);
This function returns
True
if the extension exists,
False
otherwise.
major
and
minor
are
the extension
ʹ
s major and minor version numbers.
XNVCTRLIsNvScreen()
Bool XNVCTRLIsNvScreen (
Display *dpy,
int screen
);
This function returns
True
is the specified screen is controlled by the NVIDIA driver,
otherwise
False
.
XNVCTRLSetAttribute()
void XNVCTRLSetAttribute (
Display *dpy,
int screen,
unsigned int display_mask,
unsigned int attribute,
int value
);
This function sets the attribute to the given value.
Not all attributes require the
display_mask parameter. See
“NV_CTRL_GVO Attributes” on page 67
for details.
Possible errors:
•
BadValue - The screen or attribute doesn
ʹ
t exist.
•
BadMatch - The NVIDIA driver is not present on that screen.
XNVCTRLSetAttributeAndGetStatus()
Bool XNVCTRLSetAttributeAndGetStatus (
Display *dpy,
int screen,
unsigned int display_mask,
unsigned int attribute,
int value