HP NVIDIA Quadro 6000, 6GB User's Guide download pdf (Page 80)

Quadro 4000/5000/6000 SDI DU-05337-001_v01

Chapter 05 : API Control

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.

XNVCTRLSetGvoColorConversion()

void XNVCTRLSetGvoColorConversion (

Display *dpy,

int screen,

float colorMatrix[3][3],

float colorOffset[3],

float colorScale[3]

);

Thisfunctionsetsthecolorconversionmatrix,offset,andscalethatshouldbeusedfor

GVO(GraphictoVideoOut).

TheColorSpaceConversiondataisorderedasfollows:

• colorMatrix[0][0]//r.Y

• colorMatrix[0][1]//g.Y

• colorMatrix[0][2]//b.Y

• colorMatrix[1][0]//r.Cr

• colorMatrix[1][1]//g.Cr

• colorMatrix[1][2]//b.Cr

• colorMatrix[2][0]//r.Cb

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HP NVIDIA Quadro 6000, 6GB User's Guide Page 80