dd.c File Reference

#include <dxg_int.h>

Include dependency graph for dd.c:

Go to the source code of this file.

Functions
DWORD NTAPI	DxDdCanCreateSurface (HANDLE DdHandle, PDD_CANCREATESURFACEDATA SurfaceData)

Function Documentation

DxDdCanCreateSurface()

DWORD NTAPI DxDdCanCreateSurface	(	HANDLE	DdHandle,
		PDD_CANCREATESURFACEDATA	SurfaceData
	)

Definition at line 13 of file dd.c.

{
    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;
}