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
Application
programming
of
the
NVIDIA
Quadro
FX
SDI
consists
of
two
principle
parts–
device
control
and
data
transfer.
•
Device
contro
l
handles
the
hardware
configuration
as
well
as
the
starting
and
stopping
of
data
transfers.
This
chapter
covers
the
APIs
related
to
data
control.
•
Data
transfer
is
the
sequence
of
operations
that
send
graphics
data
to
the
video
device
for
output.
Under
WindowsXP
•
Device
control
is
handled
by
the
NvGvo
API,
described
in
this
chapter.
•
Data
transfer
operations
are
performed
by
the
OpenGL
extension
WGL_NV_video_out.
Under
Linux
•
Device
control
is
handled
by
the
NV
‐
CONTROL
X
extension,
described
in
this
chapter.
•
Data
transfer
operations
are
performed
by
the
OpenGL
extension
GLX_NV_video_output.