NVIDIA FX4500 User Guide - Page 77

XNVCTRLQueryExtension(), XNVCTRLIsNvScreen(), XNVCTRLSetAttribute(), event_basep, error_basep, major

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Chapter 05 : API Control XNVCTRLQueryExtension() Bool XNVCTRLQueryExtension ( Display *dpy, int *event_basep, int *error_basep ); This function returns True if the extension exists, False otherwise. event_basep and error_basep are the extension event and error bases. Currently, no extension specific errors or events are defined. XNVCTRLQueryVersion() Bool XNVCTRLQueryVersion ( Display *dpy, int *major, int *minor ); 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 ); Quadro 4000/5000/6000 SDI DU-05337-001_v01 | 73

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Quadro 4000/5000/6000 SDI
DU-05337-001_v01
|
73
Chapter 05 : API Control
XNVCTRLQueryExtension()
Bool XNVCTRLQueryExtension (
Display *dpy,
int *event_basep,
int *error_basep
);
This function returns
True
if the extension exists,
False
otherwise.
event_basep
and
error_basep
are the extension event and error bases. Currently, no extension specific
errors or events are defined.
XNVCTRLQueryVersion()
Bool XNVCTRLQueryVersion (
Display *dpy,
int *major,
int *minor
);
This function returns
True
if the extension exists,
False
otherwise.
major
and
minor
are the extension
สน
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
);