NVIDIA Corporation
48  Quadro FX 4800/5800 and Quadro CX SDI User’s Guide– Version 1.0
C
HAPTER 5
API Control
SDI Application Programming Overview 
Applicationprogram m ing oftheNVIDIAQuadroFXSDIconsistsoftwoprincip leparts–
devicecontrolanddatatransfer.
• Devicecontrolhandlesthehardwareconfigurationaswellasthestartingandstopping
ofdatatransfers.
ThischaptercoverstheAPIsrelatedtodatacontrol.
• Datatransferisthesequenceofoperations
thatsendgraphicsdatatothevideodevice
foroutput.
UnderWindowsXP
• DevicecontrolishandledbytheNvGvoAPI,describedinthischapter.
• DatatransferoperationsareperformedbytheOpenGLextension
WGL_NV_video_out.
UnderLinux
• DevicecontrolishandledbytheNV‐CONTROLXextension,describedinthis
chapter.
• Data
transferoperationsareperformedbytheOpenGLextension
GLX_NV_video_output.