reactos/win32ss/reactx/dxg/eng.c
Amine Khaldi 527f2f9057 [SHELL/EXPERIMENTS]
* Create a branch for some evul shell experiments.

svn path=/branches/shell-experiments/; revision=61927
2014-02-02 19:37:27 +00:00

60 lines
1.5 KiB
C

/*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel
* PURPOSE: Native driver for dxg implementation
* FILE: drivers/directx/dxg/main.c
* PROGRAMER: Magnus olsen (magnus@greatlord.com)
* REVISION HISTORY:
* 30/12-2007 Magnus Olsen
*/
#include <dxg_int.h>
PDD_SURFACE_LOCAL
NTAPI
DxDdLockDirectDrawSurface(HANDLE hDdSurface)
{
PEDD_SURFACE pEDDSurface = NULL;
PDD_SURFACE_LOCAL pSurfacelcl = NULL;
pEDDSurface = DdHmgLock(hDdSurface, ObjType_DDSURFACE_TYPE, FALSE);
if (pEDDSurface != NULL)
{
pSurfacelcl = &pEDDSurface->ddsSurfaceLocal;
}
return pSurfacelcl;
}
BOOL
NTAPI
DxDdUnlockDirectDrawSurface(PDD_SURFACE_LOCAL pSurface)
{
BOOL retVal = FALSE;
//PEDD_SURFACE pEDDSurface = NULL;
if (pSurface)
{
// pEDDSurface = (PEDD_SURFACE)( ((PBYTE)pSurface) - sizeof(DD_BASEOBJECT));
// InterlockedDecrement(&pEDDSurface->pobj.cExclusiveLock);
retVal = TRUE;
}
return retVal;
}
BOOL
NTAPI
DxDdEnableDirectDraw(PVOID arg1, BOOL arg2/*What for?*/)
{
// taken from CORE-4490
//PDEV_WIN32K pdev = (PDEV_WIN32K) arg1 ;
//return pdev->DriverFunctions.EnableDirectDraw(pdev->dhpdev,
// &pdev->EDDgpl.ddCallbacks,
// &pdev->EDDgpl.ddSurfaceCallbacks,
// &pdev->EDDgpl.ddPaletteCallbacks) ;
return TRUE;
}