Nvidia Quadro FX 4500 Software Manual page 52

C 5
HAPTER
API Control
NvGvoDesktopOpen()
//---------------------------------------------------------------------
// Function:
// Description: Open graphics adapter for Graphics to Video operations
//
//
//
// Parameters:
//
//
//
//
// Returns:
//
//---------------------------------------------------------------------
NVRESULT NVAPIENTRY NvGvoDesktopOpen(UINT
NvGvoDesktopClose()
//---------------------------------------------------------------------
// Function:
// Description: Closes graphics adapter for Graphics to Video operations
//
// Parameters:
//
//
//
//
//
// Returns:
//---------------------------------------------------------------------
NVRESULT NVAPIENTRY NvGvoDesktopClose(NVGVOHANDLE hGvoHandle IN,
48
NvGvoDesktopOpen
using the Desktop transparent mode interface.
operations are permitted in this mode by multiple clients,
but write operations are application exclusive.
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
NV_OK - Success
NV_ACCESSDENIED - Access denied for requested access
NvGvoDesktopClose
using the Desktop transparent mode interface.
hGvoHandle - Handle to graphics adapter
bGvoRelease - TRUE to release device when handle closes
FALSE to remain in desktop mode when handle
NV_OK - Success
Quadro FX 4500/5500 SDI User's Guide– Version 2.0
UINT
DWORD
DWORD
NVGVOHANDLE*
closes (other clients can open using
NvGvoDesktopOpen and release using
NvGvoDesktopClose)
BOOL bRelease
Read
nAdapterNumber IN,
nReserved IN,
dwClass IN,
dwAccessRights IN,
phGvoHandle OUT);
IN);
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