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Reactos
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1234567891011121314151617181920212223242526272829303132333435363738394041/* * COPYRIGHT: See COPYING in the top level directory * PROJECT: ReactOS kernel * PURPOSE: Native driver for dxg implementation * FILE: win32ss/reactx/dxg/dd.c * PROGRAMER: Sebastian Gasiorek (sebastian.gasiorek@reactos.org) */
#include <dxg_int.h>
DWORDNTAPIDxDdCanCreateSurface( HANDLE DdHandle, PDD_CANCREATESURFACEDATA SurfaceData){ PEDD_DIRECTDRAW_LOCAL peDdL; PEDD_DIRECTDRAW_GLOBAL peDdGl; DWORD RetVal = DDHAL_DRIVER_NOTHANDLED;
peDdL = (PEDD_DIRECTDRAW_LOCAL)DdHmgLock(DdHandle, ObjType_DDLOCAL_TYPE, FALSE); if (!peDdL) return RetVal;
peDdGl = peDdL->peDirectDrawGlobal2; gpEngFuncs.DxEngLockHdev(peDdGl->hDev);
// assign out DirectDrawGlobal to SurfaceData SurfaceData->lpDD = (PDD_DIRECTDRAW_GLOBAL)peDdGl;
if (peDdGl->ddCallbacks.dwFlags & DDHAL_CB32_CANCREATESURFACE) { RetVal = peDdGl->ddCallbacks.CanCreateSurface(SurfaceData); }
gpEngFuncs.DxEngUnlockHdev(peDdGl->hDev); InterlockedDecrement((VOID*)&peDdL->pobj.cExclusiveLock);
return RetVal;}