Nvidia Quadro CX SDI, Руководство пользователя

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NVIDIA Corporation
Quadro FX 4800/5800 and Quadro CX SDI User’s Guide – Version 1.0 73
C
HAPTER
5
API Control
• BadValue ‐ The screen doesn ʹ t exist.
• BadMatch ‐ The NVIDIA driver is not present on that screen.
• BadAlloc ‐ Insufficient resources to fulfill the request.
XNVCTRLSetStringAttribute()
Bool XNVCTRLSetStringAttribute (
Display *dpy,
int screen,
unsigned int display_mask,
unsigned int attribute,
char *ptr
);
Returns True if the operation succeeded, otherwise False .
Possible X errors:
• BadValue ‐ The screen doesn ʹ t exist.
• BadMatch ‐ The NVIDIA driver is not present on that screen.
• BadAlloc ‐ Insufficient resources to fulfill the request.
XNVCTRLQueryValidAttributeValues()
Bool XNVCTRLQueryValidAttributeValues (
Display *dpy,
int screen,
unsigned int display_mask,
unsigned int attribute,
NVCTRLAttributeValidValuesRec *values
);
This function returns True if the attribute exists. otherwise False . If
XNVCTRLQueryValidAttributeValues returns True, values will indicate the valid values
for the specified attribute.
See the description of NVCTRLAttributeValidValues in NVCtrl.h.