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implement DxEngLockDC and DxEngUnlockDC

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Documented DxEngLockDC and DxEngUnlockDC

svn path=/branches/reactx/; revision=29743
This commit is contained in:
Magnus Olsen 2007-10-21 17:08:12 +00:00
parent bd8a20efb1
commit 86bc741994
1 changed files with 48 additions and 4 deletions
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52
reactos/subsystems/win32/win32k/ntddraw/dxeng.c
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@ -61,10 +61,8 @@ DRVFN gaEngFuncs [] =
{0, (PFN) NULL}, // hack for now
// {DXENG_INDEX_DxEngSetDCOwner, (PFN)DxEngSetDCOwner},
{0, (PFN) NULL}, // hack for now
// {DXENG_INDEX_DxEngLockDC, (PFN)DxEngLockDC},
{0, (PFN) NULL}, // hack for now
// {DXENG_INDEX_DxEngUnlockDC, (PFN)DxEngUnlockDC},
{0, (PFN) NULL}, // hack for now
{DXENG_INDEX_DxEngLockDC, (PFN)DxEngLockDC},
{DXENG_INDEX_DxEngUnlockDC, (PFN)DxEngUnlockDC},
// {DXENG_INDEX_DxEngSetDCState, (PFN)DxEngGetDCState},
{0, (PFN) NULL}, // hack for now
// {DXENG_INDEX_DxEngGetDCState, (PFN)DxEngGetDCState},
@ -172,5 +170,51 @@ DxEngGetDeviceGammaRamp(HDC hDC, LPVOID lpRamp)
}
/*++
* @name DxEngLockDC
* @implemented
*
* The function DxEngLockDC lock a hdc from dxg.sys
*
* @param HDC hDC
* The handle we need want lock
*
* @return
* This api return PDC or NULL depns if it sussess lock the hdc or not
* @remarks.
* none
*
*--*/
PDC
DxEngLockDC(HDC hDC)
{
return DC_LockDc(hdc);
}
/*++
* @name DxEngUnlockDC
* @implemented
*
* The function DxEngUnlockDC Unlock a pDC (hdc) from dxg.sys
* @param PDC pDC
* The handle we need unlock
*
* @return
* This api always return TRUE if it sussess or not
* @remarks.
* none
*
*--*/
BOOL
DxEngUnlockDC(PDC pDC)
{
DC_UnlockDc(pDC);
return TRUE;
}