NVIDIA FX4500 User Guide - Page 82

XNVCTRLQueryGvoColorConversion(), Display *dpy, int screen, float colorMatrix[3][3]

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Chapter 05 : API Control XNVCTRLQueryGvoColorConversion() Bool XNVCTRLQueryGvoColorConversion ( Display *dpy, int screen, float colorMatrix[3][3], float colorOffset[3], float colorScale[3] ); This function retrieves the color conversion matrix and color offset that are currently being used for GVO (Graphic to Video Out). The values are ordered within the arrays according to the comments for XNVCTRLSetGvoColorConversion(). Possible errors:  BadMatch ‐ The NVIDIA driver is not present on that screen.  BadImplementation ‐ GVO is not available on that screen. Quadro 4000/5000/6000 SDI DU-05337-001_v01 | 78

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Quadro 4000/5000/6000 SDI
DU-05337-001_v01
|
78
Chapter 05 : API Control
XNVCTRLQueryGvoColorConversion()
Bool XNVCTRLQueryGvoColorConversion (
Display *dpy,
int screen,
float colorMatrix[3][3],
float colorOffset[3],
float colorScale[3]
);
This function retrieves the color conversion matrix and color offset that are currently
being used for GVO (Graphic to Video Out). The values are ordered within the arrays
according to the comments for XNVCTRLSetGvoColorConversion().
Possible errors:
BadMatch
‐
The NVIDIA driver is not present on that screen.
BadImplementation
‐
GVO is not available on that screen.