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documented : EngUnlockDirectDrawSurface

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svn path=/trunk/; revision=31468
This commit is contained in:
Magnus Olsen 2007-12-27 19:11:56 +00:00
parent 0edb8fe2f9
commit 1f954bbfe6
1 changed files with 28 additions and 16 deletions
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44
reactos/subsystems/win32/win32k/ntddraw/eng.c
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@ -116,7 +116,7 @@ EngFreePrivateUserMem(PDD_SURFACE_LOCAL psl,
* @name EngDxIoctl
* @implemented
*
* The function EngDxIoctl is the ioctl call to diffent dx functions
* The function EngDxIoctl is the ioctl call to diffent dx functions
* to the driver dxg.sys
*
* @param ULONG ulIoctl
@ -128,7 +128,7 @@ EngFreePrivateUserMem(PDD_SURFACE_LOCAL psl,
* @param ULONG ulBufferSize
* The buffer size in bytes
*
* @return
* @return
* always return DDERR_UNSUPPORTED
*
* @remarks.
@ -176,25 +176,37 @@ EngLockDirectDrawSurface(HANDLE hSurface)
return pfnEngLockDirectDrawSurface(hSurface);
}
/************************************************************************/
/* EngUnlockDirectDrawSurface */
/************************************************************************/
/*++
* @name EngUnlockDirectDrawSurface
* @implemented
*
* The function EngUnlockDirectDrawSurface locking the dx surface
* @param PDD_SURFACE_LOCAL pSurface
* The Surface we whant lock
*
* @return
* This return FALSE or TRUE, FALSE for fail, TRUE for success
*
* @remarks.
* None
*
*--*/
BOOL
STDCALL
EngUnlockDirectDrawSurface(PDD_SURFACE_LOCAL pSurface)
{
PGD_ENGUNLOCKDIRECTDRAWSURFACE pfnEngUnlockDirectDrawSurface = NULL;
INT i;
DXG_GET_INDEX_FUNCTION(DXG_INDEX_DxDdUnlockDirectDrawSurface, pfnEngUnlockDirectDrawSurface);
if (pfnEngUnlockDirectDrawSurface == NULL)
{
DPRINT1("Warring no pfnEngUnlockDirectDrawSurface");
return DDHAL_DRIVER_NOTHANDLED;
}
PGD_ENGUNLOCKDIRECTDRAWSURFACE pfnEngUnlockDirectDrawSurface = (PGD_ENGUNLOCKDIRECTDRAWSURFACE)gpDxFuncs[DXG_INDEX_DxDdUnlockDirectDrawSurface].pfn;
BOOL retVal = FALSE;
DPRINT1("Calling on dxg.sys pfnEngUnlockDirectDrawSurface");
return pfnEngUnlockDirectDrawSurface(pSurface);
if (pfnEngUnlockDirectDrawSurface != NULL)
{
retVal = pfnEngUnlockDirectDrawSurface(pSurface);
}
return retVal;
}