NVIDIA FX5500 User Guide - Page 51

NvGvoOpen(), NvGvoClose(), Access rights NVGVO_O_* mask

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CHAPTER 5 API Control NVRESULT NVAPIENTRY NvGvoCaps(UINT nAdapterNumber IN, UINT nReserved IN, NVGVOCAPS* pAdapterCaps OUT); NvGvoOpen() // Function: NvGvoOpen // Description: Open graphics adapter for Graphics to Video operations // using the OpenGL application interface. Read operations // are permitted in this mode by multiple clients, but Write // operations are application exclusive. // Parameters: nAdapterNumber - Graphics adapter number // nReserved - Reserved (must be set to zero) // dwClass - Class interface (NVGVOCLASS_* value) // dwAccessRights - Access rights (NVGVO_O_* mask) // phGvoHandle - Pointer to receive handle // Returns: NV_OK - Success // NV_ACCESSDENIED - Access denied for requested access NVRESULT NVAPIENTRY NvGvoOpen(UINT nAdapterNumber IN, UINT nReserved IN, DWORD dwClass IN, DWORD dwAccessRights IN, NVGVOHANDLE* phGvoHandle OUT); NvGvoClose() // Function: NvGvoClose // Description: Closes graphics adapter for Graphics to Video operations // using the OpenGL application interface. Closing an // OpenGL handle releases the device. // Parameters: hGvoHandle - Handle to graphics adapter // Returns: NV_OK - Success NVRESULT NVAPIENTRY NvGvoClose(NVGVOHANDLE hGvoHandle IN); NVIDIA Corporation Quadro FX 4500/5500 SDI User's Guide - Version 2.0 47

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NVIDIA Corporation
Quadro FX 4500/5500 SDI User’s Guide
– Version 2.0
47
C
HAPTER
5
API Control
NVRESULT NVAPIENTRY NvGvoCaps(UINT
nAdapterNumber IN,
UINT
nReserved
IN,
NVGVOCAPS* pAdapterCaps
OUT);
NvGvoOpen()
//---------------------------------------------------------------------
// Function:
NvGvoOpen
// Description: Open graphics adapter for Graphics to Video operations
//
using the OpenGL application interface.
Read operations
//
are permitted in this mode by multiple clients, but Write
//
operations are application exclusive.
// Parameters:
nAdapterNumber
- Graphics adapter number
//
nReserved
- Reserved (must be set to zero)
//
dwClass
- Class interface (NVGVOCLASS_* value)
//
dwAccessRights
- Access rights (NVGVO_O_* mask)
//
phGvoHandle
- Pointer to receive handle
// Returns:
NV_OK
- Success
//
NV_ACCESSDENIED - Access denied for requested access
//---------------------------------------------------------------------
NVRESULT NVAPIENTRY NvGvoOpen(UINT
nAdapterNumber IN,
UINT
nReserved
IN,
DWORD
dwClass
IN,
DWORD
dwAccessRights IN,
NVGVOHANDLE*
phGvoHandle
OUT);
NvGvoClose()
//---------------------------------------------------------------------
// Function:
NvGvoClose
// Description: Closes graphics adapter for Graphics to Video operations
//
using the OpenGL application interface.
Closing an
//
OpenGL handle releases the device.
// Parameters:
hGvoHandle - Handle to graphics adapter
// Returns:
NV_OK
- Success
//---------------------------------------------------------------------
NVRESULT NVAPIENTRY NvGvoClose(NVGVOHANDLE hGvoHandle IN);