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ddraw_thunks.c

/* Direct Draw Thunks and old vtables
 * Copyright 2000 TransGaming Technologies Inc.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
 */

#include "config.h"
#include "wine/port.h"

#include <assert.h>
#include <stdarg.h>
#include <string.h>
#include <stdlib.h>

#define COBJMACROS
#define NONAMELESSUNION

#include "windef.h"
#include "winbase.h"
#include "winerror.h"
#include "wingdi.h"
#include "wine/exception.h"

#include "ddraw.h"
#include "d3d.h"

#include "ddraw_private.h"
#include "wine/debug.h"

WINE_DEFAULT_DEBUG_CHANNEL(ddraw_thunk);
WINE_DECLARE_DEBUG_CHANNEL(ddraw);

static HRESULT WINAPI
IDirectDrawImpl_QueryInterface(LPDIRECTDRAW This, REFIID iid, LPVOID *ppObj)
{
    return IDirectDraw7_QueryInterface((IDirectDraw7 *)ddraw_from_ddraw1(This), iid, ppObj);
}

static HRESULT WINAPI
IDirectDraw2Impl_QueryInterface(LPDIRECTDRAW2 This, REFIID iid, LPVOID *ppObj)
{
    return IDirectDraw7_QueryInterface((IDirectDraw7 *)ddraw_from_ddraw2(This), iid, ppObj);
}

static HRESULT WINAPI
IDirectDraw3Impl_QueryInterface(LPDIRECTDRAW3 This, REFIID iid, LPVOID *ppObj)
{
    return IDirectDraw7_QueryInterface((IDirectDraw7 *)ddraw_from_ddraw3(This), iid, ppObj);
}

static HRESULT WINAPI
IDirectDraw4Impl_QueryInterface(LPDIRECTDRAW4 This, REFIID iid, LPVOID *ppObj)
{
    return IDirectDraw7_QueryInterface((IDirectDraw7 *)ddraw_from_ddraw4(This), iid, ppObj);
}

static ULONG WINAPI
IDirectDrawImpl_AddRef(LPDIRECTDRAW iface)
{
    IDirectDrawImpl *This = ddraw_from_ddraw1(iface);
    ULONG ref = InterlockedIncrement(&This->ref1);

    TRACE("(%p) : incrementing IDirectDraw refcount from %u.\n", This, ref -1);

    if(ref == 1) InterlockedIncrement(&This->numIfaces);

    return ref;
}

static ULONG WINAPI
IDirectDraw2Impl_AddRef(LPDIRECTDRAW2 iface)
{
    IDirectDrawImpl *This = ddraw_from_ddraw2(iface);
    ULONG ref = InterlockedIncrement(&This->ref2);

    TRACE("(%p) : incrementing IDirectDraw2 refcount from %u.\n", This, ref -1);

    if(ref == 1) InterlockedIncrement(&This->numIfaces);

    return ref;
}

static ULONG WINAPI
IDirectDraw3Impl_AddRef(LPDIRECTDRAW3 iface)
{
    IDirectDrawImpl *This = ddraw_from_ddraw3(iface);
    ULONG ref = InterlockedIncrement(&This->ref3);

    TRACE("(%p) : incrementing IDirectDraw3 refcount from %u.\n", This, ref -1);

    if(ref == 1) InterlockedIncrement(&This->numIfaces);

    return ref;
}

static ULONG WINAPI
IDirectDraw4Impl_AddRef(LPDIRECTDRAW4 iface)
{
    IDirectDrawImpl *This = ddraw_from_ddraw4(iface);
    ULONG ref = InterlockedIncrement(&This->ref4);

    TRACE("(%p) : incrementing IDirectDraw4 refcount from %u.\n", This, ref -1);

    if(ref == 1) InterlockedIncrement(&This->numIfaces);

    return ref;
}

static ULONG WINAPI
IDirectDrawImpl_Release(LPDIRECTDRAW iface)
{
    IDirectDrawImpl *This = ddraw_from_ddraw1(iface);
    ULONG ref = InterlockedDecrement(&This->ref1);

    TRACE_(ddraw)("(%p)->() decrementing IDirectDraw refcount from %u.\n", This, ref +1);

    if(ref == 0)
    {
        ULONG ifacecount = InterlockedDecrement(&This->numIfaces);
        if(ifacecount == 0) IDirectDrawImpl_Destroy(This);
    }

    return ref;
}

static ULONG WINAPI
IDirectDraw2Impl_Release(LPDIRECTDRAW2 iface)
{
    IDirectDrawImpl *This = ddraw_from_ddraw2(iface);
    ULONG ref = InterlockedDecrement(&This->ref2);

    TRACE_(ddraw)("(%p)->() decrementing IDirectDraw2 refcount from %u.\n", This, ref +1);

    if(ref == 0)
    {
        ULONG ifacecount = InterlockedDecrement(&This->numIfaces);
        if(ifacecount == 0) IDirectDrawImpl_Destroy(This);
    }

    return ref;
}

static ULONG WINAPI
IDirectDraw3Impl_Release(LPDIRECTDRAW3 iface)
{
    IDirectDrawImpl *This = ddraw_from_ddraw3(iface);
    ULONG ref = InterlockedDecrement(&This->ref3);

    TRACE_(ddraw)("(%p)->() decrementing IDirectDraw3 refcount from %u.\n", This, ref +1);

    if(ref == 0)
    {
        ULONG ifacecount = InterlockedDecrement(&This->numIfaces);
        if(ifacecount == 0) IDirectDrawImpl_Destroy(This);
    }

    return ref;
}

static ULONG WINAPI
IDirectDraw4Impl_Release(LPDIRECTDRAW4 iface)
{
    IDirectDrawImpl *This = ddraw_from_ddraw4(iface);
    ULONG ref = InterlockedDecrement(&This->ref4);

    TRACE_(ddraw)("(%p)->() decrementing IDirectDraw4 refcount from %u.\n", This, ref +1);

    if(ref == 0)
    {
        ULONG ifacecount = InterlockedDecrement(&This->numIfaces);
        if(ifacecount == 0) IDirectDrawImpl_Destroy(This);
    }

    return ref;
}

static HRESULT WINAPI
IDirectDrawImpl_Compact(LPDIRECTDRAW This)
{
    return IDirectDraw7_Compact((IDirectDraw7 *)ddraw_from_ddraw1(This));
}

static HRESULT WINAPI
IDirectDraw2Impl_Compact(LPDIRECTDRAW2 This)
{
    return IDirectDraw7_Compact((IDirectDraw7 *)ddraw_from_ddraw2(This));
}

    static HRESULT WINAPI
IDirectDraw3Impl_Compact(LPDIRECTDRAW3 This)
{
    return IDirectDraw7_Compact((IDirectDraw7 *)ddraw_from_ddraw3(This));
}

static HRESULT WINAPI
IDirectDraw4Impl_Compact(LPDIRECTDRAW4 This)
{
    return IDirectDraw7_Compact((IDirectDraw7 *)ddraw_from_ddraw4(This));
}

static HRESULT WINAPI
IDirectDrawImpl_CreateClipper(LPDIRECTDRAW This, DWORD dwFlags,
                        LPDIRECTDRAWCLIPPER *ppClipper,
                        IUnknown *pUnkOuter)
{
    return IDirectDraw7_CreateClipper((IDirectDraw7 *)ddraw_from_ddraw1(This), dwFlags, ppClipper, pUnkOuter);
}

static HRESULT WINAPI
IDirectDraw2Impl_CreateClipper(LPDIRECTDRAW2 This, DWORD dwFlags,
                         LPDIRECTDRAWCLIPPER *ppClipper,
                         IUnknown *pUnkOuter)
{
    return IDirectDraw7_CreateClipper((IDirectDraw7 *)ddraw_from_ddraw2(This), dwFlags, ppClipper, pUnkOuter);
}

static HRESULT WINAPI
IDirectDraw3Impl_CreateClipper(LPDIRECTDRAW3 This, DWORD dwFlags,
                         LPDIRECTDRAWCLIPPER *ppClipper,
                         IUnknown *pUnkOuter)
{
    return IDirectDraw7_CreateClipper((IDirectDraw7 *)ddraw_from_ddraw3(This), dwFlags, ppClipper, pUnkOuter);
}

static HRESULT WINAPI
IDirectDraw4Impl_CreateClipper(LPDIRECTDRAW4 This, DWORD dwFlags,
                         LPDIRECTDRAWCLIPPER *ppClipper,
                         IUnknown *pUnkOuter)
{
    return IDirectDraw7_CreateClipper((IDirectDraw7 *)ddraw_from_ddraw4(This), dwFlags, ppClipper, pUnkOuter);
}

static HRESULT WINAPI
IDirectDrawImpl_CreatePalette(LPDIRECTDRAW This, DWORD dwFlags,
                        LPPALETTEENTRY pEntries,
                        LPDIRECTDRAWPALETTE *ppPalette,
                        IUnknown *pUnkOuter)
{
    HRESULT hr;
    hr = IDirectDraw7_CreatePalette((IDirectDraw7 *)ddraw_from_ddraw1(This), dwFlags, pEntries, ppPalette, pUnkOuter);
    if(SUCCEEDED(hr) && *ppPalette)
    {
        IDirectDrawPaletteImpl *impl = (IDirectDrawPaletteImpl *)*ppPalette;
        IDirectDraw7_Release((IDirectDraw7 *)ddraw_from_ddraw1(This));
        impl->ifaceToRelease = NULL;

    }
    return hr;
}

static HRESULT WINAPI
IDirectDraw2Impl_CreatePalette(LPDIRECTDRAW2 This, DWORD dwFlags,
                         LPPALETTEENTRY pEntries,
                         LPDIRECTDRAWPALETTE *ppPalette,
                         IUnknown *pUnkOuter)
{
    HRESULT hr;
    hr = IDirectDraw7_CreatePalette((IDirectDraw7 *)ddraw_from_ddraw2(This), dwFlags, pEntries, ppPalette, pUnkOuter);
    if(SUCCEEDED(hr) && *ppPalette)
    {
        IDirectDrawPaletteImpl *impl = (IDirectDrawPaletteImpl *)*ppPalette;
        IDirectDraw7_Release((IDirectDraw7 *)ddraw_from_ddraw2(This));
        impl->ifaceToRelease = NULL;
    }
    return hr;
}

static HRESULT WINAPI
IDirectDraw3Impl_CreatePalette(LPDIRECTDRAW3 This, DWORD dwFlags,
                         LPPALETTEENTRY pEntries,
                         LPDIRECTDRAWPALETTE *ppPalette,
                         IUnknown *pUnkOuter)
{
    HRESULT hr;
    hr = IDirectDraw7_CreatePalette((IDirectDraw7 *)ddraw_from_ddraw3(This), dwFlags, pEntries, ppPalette, pUnkOuter);
    if(SUCCEEDED(hr) && *ppPalette)
    {
        IDirectDrawPaletteImpl *impl = (IDirectDrawPaletteImpl *)*ppPalette;
        IDirectDraw7_Release((IDirectDraw7 *)ddraw_from_ddraw3(This));
        IDirectDraw4_AddRef(This);
        impl->ifaceToRelease = (IUnknown *) This;
    }
    return hr;
}

static HRESULT WINAPI
IDirectDraw4Impl_CreatePalette(LPDIRECTDRAW4 This, DWORD dwFlags,
                         LPPALETTEENTRY pEntries,
                         LPDIRECTDRAWPALETTE *ppPalette,
                         IUnknown *pUnkOuter)
{
    HRESULT hr;
    hr = IDirectDraw7_CreatePalette((IDirectDraw7 *)ddraw_from_ddraw4(This), dwFlags, pEntries, ppPalette, pUnkOuter);
    if(SUCCEEDED(hr) && *ppPalette)
    {
        IDirectDrawPaletteImpl *impl = (IDirectDrawPaletteImpl *)*ppPalette;
        IDirectDraw7_Release((IDirectDraw7 *)ddraw_from_ddraw4(This));
        IDirectDraw4_AddRef(This);
        impl->ifaceToRelease = (IUnknown *) This;
    }
    return hr;
}

/* Must set all attached surfaces (e.g. mipmaps) versions as well */
static void set_surf_version(IDirectDrawSurfaceImpl *surf, int version)
{
    int i;
    TRACE("%p->version(%d) = %d\n", surf, surf->version, version);
    surf->version = version;
    for(i = 0; i < MAX_COMPLEX_ATTACHED; i++)
    {
        if(!surf->complex_array[i]) break;
        set_surf_version(surf->complex_array[i], version);
    }
    while( (surf = surf->next_attached) )
    {
        set_surf_version(surf, version);
    }
}

static HRESULT WINAPI
IDirectDrawImpl_CreateSurface(LPDIRECTDRAW This, LPDDSURFACEDESC pSDesc,
                        LPDIRECTDRAWSURFACE *ppSurface,
                        IUnknown *pUnkOuter)
{
    LPDIRECTDRAWSURFACE7 pSurface7;
    IDirectDrawSurfaceImpl *impl;
    HRESULT hr;

    /* Remove front buffer flag, this causes failure in v7, and its added to normal
     * primaries anyway
     */
    pSDesc->ddsCaps.dwCaps &= ~DDSCAPS_FRONTBUFFER;
    /* the LPDDSURFACEDESC -> LPDDSURFACEDESC2 conversion should be ok,
     * since the data layout is the same */
    hr = IDirectDraw7_CreateSurface((IDirectDraw7 *)ddraw_from_ddraw1(This),
            (LPDDSURFACEDESC2)pSDesc, &pSurface7, pUnkOuter);

    /* This coercion is safe, since the IDirectDrawSurface3 vtable has the
     * IDirectDrawSurface vtable layout at the beginning  */
    *ppSurface = pSurface7 ?
            (IDirectDrawSurface *)&((IDirectDrawSurfaceImpl *)pSurface7)->IDirectDrawSurface3_vtbl : NULL;

    impl = (IDirectDrawSurfaceImpl *)pSurface7;
    if(SUCCEEDED(hr) && impl)
    {
        set_surf_version(impl, 1);
        IDirectDraw7_Release((IDirectDraw7 *)ddraw_from_ddraw1(This));
        impl->ifaceToRelease = NULL;
    }

    return hr;
}

static HRESULT WINAPI
IDirectDraw2Impl_CreateSurface(LPDIRECTDRAW2 This, LPDDSURFACEDESC pSDesc,
                         LPDIRECTDRAWSURFACE *ppSurface,
                         IUnknown *pUnkOuter)
{
    LPDIRECTDRAWSURFACE7 pSurface7;
    IDirectDrawSurfaceImpl *impl;
    HRESULT hr;

    hr = IDirectDraw7_CreateSurface((IDirectDraw7 *)ddraw_from_ddraw2(This),
            (LPDDSURFACEDESC2)pSDesc, &pSurface7, pUnkOuter);

    /* This coercion is safe, since the IDirectDrawSurface3 vtable has the
     * IDirectDrawSurface vtable layout at the beginning  */
    *ppSurface = pSurface7 ?
            (IDirectDrawSurface *)&((IDirectDrawSurfaceImpl *)pSurface7)->IDirectDrawSurface3_vtbl : NULL;

    impl = (IDirectDrawSurfaceImpl *)pSurface7;
    if(SUCCEEDED(hr) && impl)
    {
        set_surf_version(impl, 2);
        IDirectDraw7_Release((IDirectDraw7 *)ddraw_from_ddraw2(This));
        impl->ifaceToRelease = NULL;
    }

    return hr;
}

static HRESULT WINAPI
IDirectDraw3Impl_CreateSurface(LPDIRECTDRAW3 This, LPDDSURFACEDESC pSDesc,
                         LPDIRECTDRAWSURFACE *ppSurface,
                         IUnknown *pUnkOuter)
{
    LPDIRECTDRAWSURFACE7 pSurface7;
    IDirectDrawSurfaceImpl *impl;
    HRESULT hr;

    hr = IDirectDraw7_CreateSurface((IDirectDraw7 *)ddraw_from_ddraw3(This),
            (LPDDSURFACEDESC2)pSDesc, &pSurface7, pUnkOuter);

    /* This coercion is safe, since the IDirectDrawSurface3 vtable has the
     * IDirectDrawSurface vtable layout at the beginning  */
    *ppSurface = pSurface7 ?
            (IDirectDrawSurface *)&((IDirectDrawSurfaceImpl *)pSurface7)->IDirectDrawSurface3_vtbl : NULL;

    impl = (IDirectDrawSurfaceImpl *)pSurface7;
    if(SUCCEEDED(hr) && impl)
    {
        set_surf_version(impl, 3);
        IDirectDraw7_Release((IDirectDraw7 *)ddraw_from_ddraw3(This));
        IDirectDraw3_AddRef(This);
        impl->ifaceToRelease = (IUnknown *) This;
    }

    return hr;
}

static HRESULT WINAPI
IDirectDraw4Impl_CreateSurface(LPDIRECTDRAW4 This, LPDDSURFACEDESC2 pSDesc,
                         LPDIRECTDRAWSURFACE4 *ppSurface,
                         IUnknown *pUnkOuter)
{
    HRESULT hr;
    IDirectDrawSurfaceImpl *impl;

    hr = IDirectDraw7_CreateSurface((IDirectDraw7 *)ddraw_from_ddraw4(This),
            pSDesc, (LPDIRECTDRAWSURFACE7 *)ppSurface, pUnkOuter);
    impl = (IDirectDrawSurfaceImpl *)*ppSurface;
    if(SUCCEEDED(hr) && impl)
    {
        set_surf_version(impl, 4);
        IDirectDraw7_Release((IDirectDraw7 *)ddraw_from_ddraw4(This));
        IDirectDraw4_AddRef(This);
        impl->ifaceToRelease = (IUnknown *) This;
    }
    return hr;
}

static HRESULT WINAPI
IDirectDrawImpl_DuplicateSurface(LPDIRECTDRAW This, LPDIRECTDRAWSURFACE pSrc,
                         LPDIRECTDRAWSURFACE *ppDst)
{
    LPDIRECTDRAWSURFACE7 pDst7;
    HRESULT hr;

    hr = IDirectDraw7_DuplicateSurface((IDirectDraw7 *)ddraw_from_ddraw1(This),
            pSrc ? (IDirectDrawSurface7 *)surface_from_surface3((IDirectDrawSurface3 *)pSrc) : NULL, &pDst7);

    /* This coercion is safe, since the IDirectDrawSurface3 vtable has the
     * IDirectDrawSurface vtable layout at the beginning  */
    *ppDst = pDst7 ? (IDirectDrawSurface *)&((IDirectDrawSurfaceImpl *)pDst7)->IDirectDrawSurface3_vtbl : NULL;

    return hr;
}

static HRESULT WINAPI
IDirectDraw2Impl_DuplicateSurface(LPDIRECTDRAW2 This, LPDIRECTDRAWSURFACE pSrc,
                          LPDIRECTDRAWSURFACE *ppDst)
{
    LPDIRECTDRAWSURFACE7 pDst7;
    HRESULT hr;

    hr = IDirectDraw7_DuplicateSurface((IDirectDraw7 *)ddraw_from_ddraw2(This),
            pSrc ? (IDirectDrawSurface7 *)surface_from_surface3((IDirectDrawSurface3 *)pSrc) : NULL, &pDst7);

    /* This coercion is safe, since the IDirectDrawSurface3 vtable has the
     * IDirectDrawSurface vtable layout at the beginning  */
    *ppDst = pDst7 ? (IDirectDrawSurface *)&((IDirectDrawSurfaceImpl *)pDst7)->IDirectDrawSurface3_vtbl : NULL;

    return hr;
}

static HRESULT WINAPI
IDirectDraw3Impl_DuplicateSurface(LPDIRECTDRAW3 This, LPDIRECTDRAWSURFACE pSrc,
                          LPDIRECTDRAWSURFACE *ppDst)
{
    LPDIRECTDRAWSURFACE7 pDst7;
    HRESULT hr;

    hr = IDirectDraw7_DuplicateSurface((IDirectDraw7 *)ddraw_from_ddraw3(This),
            pSrc ? (IDirectDrawSurface7 *)surface_from_surface3((IDirectDrawSurface3 *)pSrc) : NULL, &pDst7);

    /* This coercion is safe, since the IDirectDrawSurface3 vtable has the
     * IDirectDrawSurface vtable layout at the beginning  */
    *ppDst = pDst7 ? (IDirectDrawSurface *)&((IDirectDrawSurfaceImpl *)pDst7)->IDirectDrawSurface3_vtbl : NULL;

    return hr;
}

static HRESULT WINAPI
IDirectDraw4Impl_DuplicateSurface(LPDIRECTDRAW4 This,
                          LPDIRECTDRAWSURFACE4 pSrc,
                          LPDIRECTDRAWSURFACE4 *ppDst)
{
    return IDirectDraw7_DuplicateSurface((IDirectDraw7 *)ddraw_from_ddraw4(This),
            (LPDIRECTDRAWSURFACE7)pSrc, (LPDIRECTDRAWSURFACE7 *)ppDst);
}

00505 struct displaymodescallback_context
{
    LPDDENUMMODESCALLBACK func;
    LPVOID context;
};

static HRESULT CALLBACK
EnumDisplayModesCallbackThunk(LPDDSURFACEDESC2 pDDSD2, LPVOID context)
{
    DDSURFACEDESC DDSD;
    struct displaymodescallback_context *cbcontext = context;

    memcpy(&DDSD,pDDSD2,sizeof(DDSD));
    DDSD.dwSize = sizeof(DDSD);

    return cbcontext->func(&DDSD, cbcontext->context);
}

static HRESULT WINAPI
IDirectDrawImpl_EnumDisplayModes(LPDIRECTDRAW This, DWORD dwFlags,
                         LPDDSURFACEDESC pDDSD, LPVOID context,
                         LPDDENUMMODESCALLBACK cb)
{
    struct displaymodescallback_context cbcontext;

    cbcontext.func    = cb;
    cbcontext.context = context;

    return IDirectDraw7_EnumDisplayModes((IDirectDraw7 *)ddraw_from_ddraw1(This),
            dwFlags, (LPDDSURFACEDESC2)pDDSD, &cbcontext, EnumDisplayModesCallbackThunk);
}

static HRESULT WINAPI
IDirectDraw2Impl_EnumDisplayModes(LPDIRECTDRAW2 This, DWORD dwFlags,
                          LPDDSURFACEDESC pDDSD, LPVOID context,
                          LPDDENUMMODESCALLBACK cb)
{
    struct displaymodescallback_context cbcontext;

    cbcontext.func    = cb;
    cbcontext.context = context;

    return IDirectDraw7_EnumDisplayModes((IDirectDraw7 *)ddraw_from_ddraw2(This),
            dwFlags, (LPDDSURFACEDESC2)pDDSD, &cbcontext, EnumDisplayModesCallbackThunk);
}

static HRESULT WINAPI
IDirectDraw3Impl_EnumDisplayModes(LPDIRECTDRAW3 This, DWORD dwFlags,
                          LPDDSURFACEDESC pDDSD, LPVOID context,
                          LPDDENUMMODESCALLBACK cb)
{
    struct displaymodescallback_context cbcontext;

    cbcontext.func    = cb;
    cbcontext.context = context;

    return IDirectDraw7_EnumDisplayModes((IDirectDraw7 *)ddraw_from_ddraw3(This),
            dwFlags, (LPDDSURFACEDESC2)pDDSD, &cbcontext, EnumDisplayModesCallbackThunk);
}

static HRESULT WINAPI
IDirectDraw4Impl_EnumDisplayModes(LPDIRECTDRAW4 This, DWORD dwFlags,
                          LPDDSURFACEDESC2 pDDSD, LPVOID context,
                          LPDDENUMMODESCALLBACK2 cb)
{
    return IDirectDraw7_EnumDisplayModes((IDirectDraw7 *)ddraw_from_ddraw4(This), dwFlags, pDDSD, context, cb);
}

00573 struct surfacescallback_context
{
    LPDDENUMSURFACESCALLBACK func;
    LPVOID context;
};

static HRESULT CALLBACK
EnumSurfacesCallbackThunk(LPDIRECTDRAWSURFACE7 pSurf, LPDDSURFACEDESC2 pDDSD,
                    LPVOID context)
{
    struct surfacescallback_context *cbcontext = context;

    /* This coercion is safe, since the IDirectDrawSurface3 vtable has the
     * IDirectDrawSurface vtable layout at the beginning  */
    return cbcontext->func(
            pSurf ? (IDirectDrawSurface *)&((IDirectDrawSurfaceImpl *)pSurf)->IDirectDrawSurface3_vtbl : NULL,
            (LPDDSURFACEDESC)pDDSD, cbcontext->context);
}

static HRESULT WINAPI
IDirectDrawImpl_EnumSurfaces(LPDIRECTDRAW This, DWORD dwFlags,
                       LPDDSURFACEDESC pDDSD, LPVOID context,
                       LPDDENUMSURFACESCALLBACK cb)
{
    struct surfacescallback_context cbcontext;

    cbcontext.func    = cb;
    cbcontext.context = context;

    return IDirectDraw7_EnumSurfaces((IDirectDraw7 *)ddraw_from_ddraw1(This),
            dwFlags, (LPDDSURFACEDESC2)pDDSD, &cbcontext, EnumSurfacesCallbackThunk);
}

static HRESULT WINAPI
IDirectDraw2Impl_EnumSurfaces(LPDIRECTDRAW2 This, DWORD dwFlags,
                        LPDDSURFACEDESC pDDSD, LPVOID context,
                        LPDDENUMSURFACESCALLBACK cb)
{
    struct surfacescallback_context cbcontext;

    cbcontext.func    = cb;
    cbcontext.context = context;

    return IDirectDraw7_EnumSurfaces((IDirectDraw7 *)ddraw_from_ddraw2(This),
            dwFlags, (LPDDSURFACEDESC2)pDDSD, &cbcontext, EnumSurfacesCallbackThunk);
}

static HRESULT WINAPI
IDirectDraw3Impl_EnumSurfaces(LPDIRECTDRAW3 This, DWORD dwFlags,
                        LPDDSURFACEDESC pDDSD, LPVOID context,
                        LPDDENUMSURFACESCALLBACK cb)
{
    struct surfacescallback_context cbcontext;

    cbcontext.func    = cb;
    cbcontext.context = context;

    return IDirectDraw7_EnumSurfaces((IDirectDraw7 *)ddraw_from_ddraw3(This),
            dwFlags, (LPDDSURFACEDESC2)pDDSD, &cbcontext, EnumSurfacesCallbackThunk);
}

static HRESULT WINAPI
IDirectDraw4Impl_EnumSurfaces(LPDIRECTDRAW4 This, DWORD dwFlags,
                        LPDDSURFACEDESC2 pDDSD, LPVOID context,
                        LPDDENUMSURFACESCALLBACK2 cb)
{
    return IDirectDraw7_EnumSurfaces((IDirectDraw7 *)ddraw_from_ddraw4(This),
            dwFlags, pDDSD, context, (LPDDENUMSURFACESCALLBACK7)cb);
}

static HRESULT WINAPI
IDirectDrawImpl_FlipToGDISurface(LPDIRECTDRAW This)
{
    return IDirectDraw7_FlipToGDISurface((IDirectDraw7 *)ddraw_from_ddraw1(This));
}

static HRESULT WINAPI
IDirectDraw2Impl_FlipToGDISurface(LPDIRECTDRAW2 This)
{
    return IDirectDraw7_FlipToGDISurface((IDirectDraw7 *)ddraw_from_ddraw2(This));
}

static HRESULT WINAPI
IDirectDraw3Impl_FlipToGDISurface(LPDIRECTDRAW3 This)
{
    return IDirectDraw7_FlipToGDISurface((IDirectDraw7 *)ddraw_from_ddraw3(This));
}

static HRESULT WINAPI
IDirectDraw4Impl_FlipToGDISurface(LPDIRECTDRAW4 This)
{
    return IDirectDraw7_FlipToGDISurface((IDirectDraw7 *)ddraw_from_ddraw4(This));
}

static HRESULT WINAPI
IDirectDrawImpl_GetCaps(LPDIRECTDRAW This, LPDDCAPS pDDC1, LPDDCAPS pDDC2)
{
    return IDirectDraw7_GetCaps((IDirectDraw7 *)ddraw_from_ddraw1(This), pDDC1, pDDC2);
}

static HRESULT WINAPI
IDirectDraw2Impl_GetCaps(LPDIRECTDRAW2 This, LPDDCAPS pDDC1, LPDDCAPS pDDC2)
{
    return IDirectDraw7_GetCaps((IDirectDraw7 *)ddraw_from_ddraw2(This), pDDC1, pDDC2);
}

static HRESULT WINAPI
IDirectDraw3Impl_GetCaps(LPDIRECTDRAW3 This, LPDDCAPS pDDC1, LPDDCAPS pDDC2)
{
    return IDirectDraw7_GetCaps((IDirectDraw7 *)ddraw_from_ddraw3(This), pDDC1, pDDC2);
}

static HRESULT WINAPI
IDirectDraw4Impl_GetCaps(LPDIRECTDRAW4 This, LPDDCAPS pDDC1, LPDDCAPS pDDC2)
{
    return IDirectDraw7_GetCaps((IDirectDraw7 *)ddraw_from_ddraw4(This), pDDC1, pDDC2);
}

static HRESULT WINAPI
IDirectDrawImpl_GetDisplayMode(LPDIRECTDRAW This, LPDDSURFACEDESC pDDSD)
{
    return IDirectDraw7_GetDisplayMode((IDirectDraw7 *)ddraw_from_ddraw1(This), (LPDDSURFACEDESC2)pDDSD);
}

static HRESULT WINAPI
IDirectDraw2Impl_GetDisplayMode(LPDIRECTDRAW2 This, LPDDSURFACEDESC pDDSD)
{
    return IDirectDraw7_GetDisplayMode((IDirectDraw7 *)ddraw_from_ddraw2(This), (LPDDSURFACEDESC2)pDDSD);
}

static HRESULT WINAPI
IDirectDraw3Impl_GetDisplayMode(LPDIRECTDRAW3 This, LPDDSURFACEDESC pDDSD)
{
    return IDirectDraw7_GetDisplayMode((IDirectDraw7 *)ddraw_from_ddraw3(This), (LPDDSURFACEDESC2)pDDSD);
}

static HRESULT WINAPI
IDirectDraw4Impl_GetDisplayMode(LPDIRECTDRAW4 This, LPDDSURFACEDESC2 pDDSD)
{
    return IDirectDraw7_GetDisplayMode((IDirectDraw7 *)ddraw_from_ddraw4(This), (LPDDSURFACEDESC2)pDDSD);
}

static HRESULT WINAPI
IDirectDrawImpl_GetFourCCCodes(LPDIRECTDRAW This, LPDWORD lpNumCodes,
                         LPDWORD lpCodes)
{
    return IDirectDraw7_GetFourCCCodes((IDirectDraw7 *)ddraw_from_ddraw1(This), lpNumCodes, lpCodes);
}

static HRESULT WINAPI
IDirectDraw2Impl_GetFourCCCodes(LPDIRECTDRAW2 This, LPDWORD lpNumCodes,
                        LPDWORD lpCodes)
{
    return IDirectDraw7_GetFourCCCodes((IDirectDraw7 *)ddraw_from_ddraw2(This), lpNumCodes, lpCodes);
}

static HRESULT WINAPI
IDirectDraw3Impl_GetFourCCCodes(LPDIRECTDRAW3 This, LPDWORD lpNumCodes,
                        LPDWORD lpCodes)
{
    return IDirectDraw7_GetFourCCCodes((IDirectDraw7 *)ddraw_from_ddraw3(This), lpNumCodes, lpCodes);
}

static HRESULT WINAPI
IDirectDraw4Impl_GetFourCCCodes(LPDIRECTDRAW4 This, LPDWORD lpNumCodes,
                        LPDWORD lpCodes)
{
    return IDirectDraw7_GetFourCCCodes((IDirectDraw7 *)ddraw_from_ddraw4(This), lpNumCodes, lpCodes);
}

static HRESULT WINAPI
IDirectDrawImpl_GetGDISurface(LPDIRECTDRAW This, LPDIRECTDRAWSURFACE *ppSurf)
{
    LPDIRECTDRAWSURFACE7 pSurf7;
    HRESULT hr;

    hr = IDirectDraw7_GetGDISurface((IDirectDraw7 *)ddraw_from_ddraw1(This), &pSurf7);

    /* This coercion is safe, since the IDirectDrawSurface3 vtable has the
     * IDirectDrawSurface vtable layout at the beginning  */
    *ppSurf = pSurf7 ? (IDirectDrawSurface *)&((IDirectDrawSurfaceImpl *)pSurf7)->IDirectDrawSurface3_vtbl : NULL;

    return hr;
}

static HRESULT WINAPI
IDirectDraw2Impl_GetGDISurface(LPDIRECTDRAW2 This, LPDIRECTDRAWSURFACE *ppSurf)
{
    LPDIRECTDRAWSURFACE7 pSurf7;
    HRESULT hr;

    hr = IDirectDraw7_GetGDISurface((IDirectDraw7 *)ddraw_from_ddraw2(This), &pSurf7);

    /* This coercion is safe, since the IDirectDrawSurface3 vtable has the
     * IDirectDrawSurface vtable layout at the beginning  */
    *ppSurf = pSurf7 ? (IDirectDrawSurface *)&((IDirectDrawSurfaceImpl *)pSurf7)->IDirectDrawSurface3_vtbl : NULL;

    return hr;
}

static HRESULT WINAPI
IDirectDraw3Impl_GetGDISurface(LPDIRECTDRAW3 This, LPDIRECTDRAWSURFACE *ppSurf)
{
    LPDIRECTDRAWSURFACE7 pSurf7;
    HRESULT hr;

    hr = IDirectDraw7_GetGDISurface((IDirectDraw7 *)ddraw_from_ddraw3(This), &pSurf7);

    /* This coercion is safe, since the IDirectDrawSurface3 vtable has the
     * IDirectDrawSurface vtable layout at the beginning  */
    *ppSurf = pSurf7 ? (IDirectDrawSurface *)&((IDirectDrawSurfaceImpl *)pSurf7)->IDirectDrawSurface3_vtbl : NULL;

    return hr;
}

static HRESULT WINAPI
IDirectDraw4Impl_GetGDISurface(LPDIRECTDRAW4 This,
                         LPDIRECTDRAWSURFACE4 *ppSurf)
{
    return IDirectDraw7_GetGDISurface((IDirectDraw7 *)ddraw_from_ddraw4(This), (LPDIRECTDRAWSURFACE7 *)ppSurf);
}

static HRESULT WINAPI
IDirectDrawImpl_GetMonitorFrequency(LPDIRECTDRAW This, LPDWORD pdwFreq)
{
    return IDirectDraw7_GetMonitorFrequency((IDirectDraw7 *)ddraw_from_ddraw1(This), pdwFreq);
}

static HRESULT WINAPI
IDirectDraw2Impl_GetMonitorFrequency(LPDIRECTDRAW2 This, LPDWORD pdwFreq)
{
    return IDirectDraw7_GetMonitorFrequency((IDirectDraw7 *)ddraw_from_ddraw2(This), pdwFreq);
}

static HRESULT WINAPI
IDirectDraw3Impl_GetMonitorFrequency(LPDIRECTDRAW3 This, LPDWORD pdwFreq)
{
    return IDirectDraw7_GetMonitorFrequency((IDirectDraw7 *)ddraw_from_ddraw3(This), pdwFreq);
}

static HRESULT WINAPI
IDirectDraw4Impl_GetMonitorFrequency(LPDIRECTDRAW4 This, LPDWORD pdwFreq)
{
    return IDirectDraw7_GetMonitorFrequency((IDirectDraw7 *)ddraw_from_ddraw4(This), pdwFreq);
}

static HRESULT WINAPI
IDirectDrawImpl_GetScanLine(LPDIRECTDRAW This, LPDWORD pdwLine)
{
    return IDirectDraw7_GetScanLine((IDirectDraw7 *)ddraw_from_ddraw1(This), pdwLine);
}

static HRESULT WINAPI
IDirectDraw2Impl_GetScanLine(LPDIRECTDRAW2 This, LPDWORD pdwLine)
{
    return IDirectDraw7_GetScanLine((IDirectDraw7 *)ddraw_from_ddraw2(This), pdwLine);
}

static HRESULT WINAPI
IDirectDraw3Impl_GetScanLine(LPDIRECTDRAW3 This, LPDWORD pdwLine)
{
    return IDirectDraw7_GetScanLine((IDirectDraw7 *)ddraw_from_ddraw3(This), pdwLine);
}

static HRESULT WINAPI
IDirectDraw4Impl_GetScanLine(LPDIRECTDRAW4 This, LPDWORD pdwLine)
{
    return IDirectDraw7_GetScanLine((IDirectDraw7 *)ddraw_from_ddraw4(This), pdwLine);
}

static HRESULT WINAPI
IDirectDrawImpl_GetVerticalBlankStatus(LPDIRECTDRAW This, LPBOOL lpbIsInVB)
{
    return IDirectDraw7_GetVerticalBlankStatus((IDirectDraw7 *)ddraw_from_ddraw1(This), lpbIsInVB);
}

static HRESULT WINAPI
IDirectDraw2Impl_GetVerticalBlankStatus(LPDIRECTDRAW2 This, LPBOOL lpbIsInVB)
{
    return IDirectDraw7_GetVerticalBlankStatus((IDirectDraw7 *)ddraw_from_ddraw2(This), lpbIsInVB);
}

static HRESULT WINAPI
IDirectDraw3Impl_GetVerticalBlankStatus(LPDIRECTDRAW3 This, LPBOOL lpbIsInVB)
{
    return IDirectDraw7_GetVerticalBlankStatus((IDirectDraw7 *)ddraw_from_ddraw3(This), lpbIsInVB);
}

static HRESULT WINAPI
IDirectDraw4Impl_GetVerticalBlankStatus(LPDIRECTDRAW4 This, LPBOOL lpbIsInVB)
{
    return IDirectDraw7_GetVerticalBlankStatus((IDirectDraw7 *)ddraw_from_ddraw4(This), lpbIsInVB);
}

static HRESULT WINAPI
IDirectDrawImpl_Initialize(LPDIRECTDRAW iface, LPGUID pGUID)
{
    IDirectDrawImpl *This = ddraw_from_ddraw1(iface);
    HRESULT ret_value;

    ret_value = IDirectDraw7_Initialize((IDirectDraw7 *)This, pGUID);

    return ret_value;
}

static HRESULT WINAPI
IDirectDraw2Impl_Initialize(LPDIRECTDRAW2 iface, LPGUID pGUID)
{
    IDirectDrawImpl *This = ddraw_from_ddraw2(iface);
    HRESULT ret_value;

    ret_value = IDirectDraw7_Initialize((IDirectDraw7 *)This, pGUID);

    return ret_value;
}

static HRESULT WINAPI
IDirectDraw3Impl_Initialize(LPDIRECTDRAW3 iface, LPGUID pGUID)
{
    IDirectDrawImpl *This = ddraw_from_ddraw3(iface);
    HRESULT ret_value;

    ret_value = IDirectDraw7_Initialize((IDirectDraw7 *)This, pGUID);

    return ret_value;
}

static HRESULT WINAPI
IDirectDraw4Impl_Initialize(LPDIRECTDRAW4 iface, LPGUID pGUID)
{
    IDirectDrawImpl *This = ddraw_from_ddraw4(iface);
    HRESULT ret_value;

    ret_value = IDirectDraw7_Initialize((IDirectDraw7 *)This, pGUID);

    return ret_value;
}


static HRESULT WINAPI
IDirectDrawImpl_RestoreDisplayMode(LPDIRECTDRAW This)
{
    return IDirectDraw7_RestoreDisplayMode((IDirectDraw7 *)ddraw_from_ddraw1(This));
}

static HRESULT WINAPI
IDirectDraw2Impl_RestoreDisplayMode(LPDIRECTDRAW2 This)
{
    return IDirectDraw7_RestoreDisplayMode((IDirectDraw7 *)ddraw_from_ddraw2(This));
}

static HRESULT WINAPI
IDirectDraw3Impl_RestoreDisplayMode(LPDIRECTDRAW3 This)
{
    return IDirectDraw7_RestoreDisplayMode((IDirectDraw7 *)ddraw_from_ddraw3(This));
}

static HRESULT WINAPI
IDirectDraw4Impl_RestoreDisplayMode(LPDIRECTDRAW4 This)
{
    return IDirectDraw7_RestoreDisplayMode((IDirectDraw7 *)ddraw_from_ddraw4(This));
}

static HRESULT WINAPI
IDirectDrawImpl_SetCooperativeLevel(LPDIRECTDRAW This, HWND hWnd,
                            DWORD dwFlags)
{
    return IDirectDraw7_SetCooperativeLevel((IDirectDraw7 *)ddraw_from_ddraw1(This), hWnd, dwFlags);
}

static HRESULT WINAPI
IDirectDraw2Impl_SetCooperativeLevel(LPDIRECTDRAW2 This, HWND hWnd,
                             DWORD dwFlags)
{
    return IDirectDraw7_SetCooperativeLevel((IDirectDraw7 *)ddraw_from_ddraw2(This), hWnd, dwFlags);
}

static HRESULT WINAPI
IDirectDraw3Impl_SetCooperativeLevel(LPDIRECTDRAW3 This, HWND hWnd,
                             DWORD dwFlags)
{
    return IDirectDraw7_SetCooperativeLevel((IDirectDraw7 *)ddraw_from_ddraw3(This), hWnd, dwFlags);
}

static HRESULT WINAPI
IDirectDraw4Impl_SetCooperativeLevel(LPDIRECTDRAW4 This, HWND hWnd,
                             DWORD dwFlags)
{
    return IDirectDraw7_SetCooperativeLevel((IDirectDraw7 *)ddraw_from_ddraw4(This), hWnd, dwFlags);
}

static HRESULT WINAPI
IDirectDrawImpl_SetDisplayMode(LPDIRECTDRAW This, DWORD a, DWORD b, DWORD c)
{
    return IDirectDraw7_SetDisplayMode((IDirectDraw7 *)ddraw_from_ddraw1(This), a, b, c, 0, 0);
}

static HRESULT WINAPI
IDirectDraw2Impl_SetDisplayMode(LPDIRECTDRAW2 This, DWORD a, DWORD b, DWORD c,
                        DWORD d, DWORD e)
{
    return IDirectDraw7_SetDisplayMode((IDirectDraw7 *)ddraw_from_ddraw2(This), a, b, c, d, e);
}

static HRESULT WINAPI
IDirectDraw3Impl_SetDisplayMode(LPDIRECTDRAW3 This, DWORD a, DWORD b, DWORD c,
                        DWORD d, DWORD e)
{
    return IDirectDraw7_SetDisplayMode((IDirectDraw7 *)ddraw_from_ddraw3(This), a, b, c, d, e);
}

static HRESULT WINAPI
IDirectDraw4Impl_SetDisplayMode(LPDIRECTDRAW4 This, DWORD a, DWORD b, DWORD c,
                        DWORD d, DWORD e)
{
    return IDirectDraw7_SetDisplayMode((IDirectDraw7 *)ddraw_from_ddraw4(This), a, b, c, d, e);
}

static HRESULT WINAPI
IDirectDrawImpl_WaitForVerticalBlank(LPDIRECTDRAW This, DWORD dwFlags,
                             HANDLE hEvent)
{
    return IDirectDraw7_WaitForVerticalBlank((IDirectDraw7 *)ddraw_from_ddraw1(This), dwFlags, hEvent);
}

static HRESULT WINAPI
IDirectDraw2Impl_WaitForVerticalBlank(LPDIRECTDRAW2 This, DWORD dwFlags,
                              HANDLE hEvent)
{
    return IDirectDraw7_WaitForVerticalBlank((IDirectDraw7 *)ddraw_from_ddraw2(This), dwFlags, hEvent);
}

static HRESULT WINAPI
IDirectDraw3Impl_WaitForVerticalBlank(LPDIRECTDRAW3 This, DWORD dwFlags,
                              HANDLE hEvent)
{
    return IDirectDraw7_WaitForVerticalBlank((IDirectDraw7 *)ddraw_from_ddraw3(This), dwFlags, hEvent);
}

static HRESULT WINAPI
IDirectDraw4Impl_WaitForVerticalBlank(LPDIRECTDRAW4 This, DWORD dwFlags,
                              HANDLE hEvent)
{
    return IDirectDraw7_WaitForVerticalBlank((IDirectDraw7 *)ddraw_from_ddraw4(This), dwFlags, hEvent);
}

static HRESULT WINAPI
IDirectDraw2Impl_GetAvailableVidMem(LPDIRECTDRAW2 This, LPDDSCAPS pCaps,
                            LPDWORD pdwTotal, LPDWORD pdwFree)
{
    DDSCAPS2 Caps2;
    DDRAW_Convert_DDSCAPS_1_To_2(pCaps, &Caps2);

    return IDirectDraw7_GetAvailableVidMem((IDirectDraw7 *)ddraw_from_ddraw2(This), &Caps2, pdwTotal, pdwFree);
}

static HRESULT WINAPI
IDirectDraw3Impl_GetAvailableVidMem(LPDIRECTDRAW3 This, LPDDSCAPS pCaps,
                            LPDWORD pdwTotal, LPDWORD pdwFree)
{
    DDSCAPS2 Caps2;
    DDRAW_Convert_DDSCAPS_1_To_2(pCaps, &Caps2);

    return IDirectDraw7_GetAvailableVidMem((IDirectDraw7 *)ddraw_from_ddraw3(This), &Caps2, pdwTotal, pdwFree);
}

static HRESULT WINAPI
IDirectDraw4Impl_GetAvailableVidMem(LPDIRECTDRAW4 This, LPDDSCAPS2 pCaps,
                            LPDWORD pdwTotal, LPDWORD pdwFree)
{
    return IDirectDraw7_GetAvailableVidMem((IDirectDraw7 *)ddraw_from_ddraw4(This), pCaps, pdwTotal, pdwFree);
}

static HRESULT WINAPI
IDirectDraw3Impl_GetSurfaceFromDC(LPDIRECTDRAW3 This, HDC hDC,
                          LPDIRECTDRAWSURFACE *pSurf)
{
    return IDirectDraw7_GetSurfaceFromDC((IDirectDraw7 *)ddraw_from_ddraw3(This), hDC, (LPDIRECTDRAWSURFACE7 *)pSurf);
}

static HRESULT WINAPI
IDirectDraw4Impl_GetSurfaceFromDC(LPDIRECTDRAW4 This, HDC hDC,
                          LPDIRECTDRAWSURFACE4 *pSurf)
{
    return IDirectDraw7_GetSurfaceFromDC((IDirectDraw7 *)ddraw_from_ddraw4(This), hDC, (LPDIRECTDRAWSURFACE7 *)pSurf);
}

static HRESULT WINAPI
IDirectDraw4Impl_RestoreAllSurfaces(LPDIRECTDRAW4 This)
{
    return IDirectDraw7_RestoreAllSurfaces((IDirectDraw7 *)ddraw_from_ddraw4(This));
}

static HRESULT WINAPI
IDirectDraw4Impl_TestCooperativeLevel(LPDIRECTDRAW4 This)
{
    return IDirectDraw7_TestCooperativeLevel((IDirectDraw7 *)ddraw_from_ddraw4(This));
}

static HRESULT WINAPI
IDirectDraw4Impl_GetDeviceIdentifier(LPDIRECTDRAW4 This,
                             LPDDDEVICEIDENTIFIER pDDDI, DWORD dwFlags)
{
    DDDEVICEIDENTIFIER2 DDDI2;
    HRESULT hr;

    hr = IDirectDraw7_GetDeviceIdentifier((IDirectDraw7 *)ddraw_from_ddraw4(This), &DDDI2, dwFlags);

    DDRAW_Convert_DDDEVICEIDENTIFIER_2_To_1(&DDDI2, pDDDI);

    return hr;
}

const IDirectDrawVtbl IDirectDraw1_Vtbl =
{
    IDirectDrawImpl_QueryInterface,
    IDirectDrawImpl_AddRef,
    IDirectDrawImpl_Release,
    IDirectDrawImpl_Compact,
    IDirectDrawImpl_CreateClipper,
    IDirectDrawImpl_CreatePalette,
    IDirectDrawImpl_CreateSurface,
    IDirectDrawImpl_DuplicateSurface,
    IDirectDrawImpl_EnumDisplayModes,
    IDirectDrawImpl_EnumSurfaces,
    IDirectDrawImpl_FlipToGDISurface,
    IDirectDrawImpl_GetCaps,
    IDirectDrawImpl_GetDisplayMode,
    IDirectDrawImpl_GetFourCCCodes,
    IDirectDrawImpl_GetGDISurface,
    IDirectDrawImpl_GetMonitorFrequency,
    IDirectDrawImpl_GetScanLine,
    IDirectDrawImpl_GetVerticalBlankStatus,
    IDirectDrawImpl_Initialize,
    IDirectDrawImpl_RestoreDisplayMode,
    IDirectDrawImpl_SetCooperativeLevel,
    IDirectDrawImpl_SetDisplayMode,
    IDirectDrawImpl_WaitForVerticalBlank,
};

const IDirectDraw2Vtbl IDirectDraw2_Vtbl =
{
    IDirectDraw2Impl_QueryInterface,
    IDirectDraw2Impl_AddRef,
    IDirectDraw2Impl_Release,
    IDirectDraw2Impl_Compact,
    IDirectDraw2Impl_CreateClipper,
    IDirectDraw2Impl_CreatePalette,
    IDirectDraw2Impl_CreateSurface,
    IDirectDraw2Impl_DuplicateSurface,
    IDirectDraw2Impl_EnumDisplayModes,
    IDirectDraw2Impl_EnumSurfaces,
    IDirectDraw2Impl_FlipToGDISurface,
    IDirectDraw2Impl_GetCaps,
    IDirectDraw2Impl_GetDisplayMode,
    IDirectDraw2Impl_GetFourCCCodes,
    IDirectDraw2Impl_GetGDISurface,
    IDirectDraw2Impl_GetMonitorFrequency,
    IDirectDraw2Impl_GetScanLine,
    IDirectDraw2Impl_GetVerticalBlankStatus,
    IDirectDraw2Impl_Initialize,
    IDirectDraw2Impl_RestoreDisplayMode,
    IDirectDraw2Impl_SetCooperativeLevel,
    IDirectDraw2Impl_SetDisplayMode,
    IDirectDraw2Impl_WaitForVerticalBlank,
    IDirectDraw2Impl_GetAvailableVidMem
};

const IDirectDraw3Vtbl IDirectDraw3_Vtbl =
{
    IDirectDraw3Impl_QueryInterface,
    IDirectDraw3Impl_AddRef,
    IDirectDraw3Impl_Release,
    IDirectDraw3Impl_Compact,
    IDirectDraw3Impl_CreateClipper,
    IDirectDraw3Impl_CreatePalette,
    IDirectDraw3Impl_CreateSurface,
    IDirectDraw3Impl_DuplicateSurface,
    IDirectDraw3Impl_EnumDisplayModes,
    IDirectDraw3Impl_EnumSurfaces,
    IDirectDraw3Impl_FlipToGDISurface,
    IDirectDraw3Impl_GetCaps,
    IDirectDraw3Impl_GetDisplayMode,
    IDirectDraw3Impl_GetFourCCCodes,
    IDirectDraw3Impl_GetGDISurface,
    IDirectDraw3Impl_GetMonitorFrequency,
    IDirectDraw3Impl_GetScanLine,
    IDirectDraw3Impl_GetVerticalBlankStatus,
    IDirectDraw3Impl_Initialize,
    IDirectDraw3Impl_RestoreDisplayMode,
    IDirectDraw3Impl_SetCooperativeLevel,
    IDirectDraw3Impl_SetDisplayMode,
    IDirectDraw3Impl_WaitForVerticalBlank,
    IDirectDraw3Impl_GetAvailableVidMem,
    IDirectDraw3Impl_GetSurfaceFromDC,
};

const IDirectDraw4Vtbl IDirectDraw4_Vtbl =
{
    IDirectDraw4Impl_QueryInterface,
    IDirectDraw4Impl_AddRef,
    IDirectDraw4Impl_Release,
    IDirectDraw4Impl_Compact,
    IDirectDraw4Impl_CreateClipper,
    IDirectDraw4Impl_CreatePalette,
    IDirectDraw4Impl_CreateSurface,
    IDirectDraw4Impl_DuplicateSurface,
    IDirectDraw4Impl_EnumDisplayModes,
    IDirectDraw4Impl_EnumSurfaces,
    IDirectDraw4Impl_FlipToGDISurface,
    IDirectDraw4Impl_GetCaps,
    IDirectDraw4Impl_GetDisplayMode,
    IDirectDraw4Impl_GetFourCCCodes,
    IDirectDraw4Impl_GetGDISurface,
    IDirectDraw4Impl_GetMonitorFrequency,
    IDirectDraw4Impl_GetScanLine,
    IDirectDraw4Impl_GetVerticalBlankStatus,
    IDirectDraw4Impl_Initialize,
    IDirectDraw4Impl_RestoreDisplayMode,
    IDirectDraw4Impl_SetCooperativeLevel,
    IDirectDraw4Impl_SetDisplayMode,
    IDirectDraw4Impl_WaitForVerticalBlank,
    IDirectDraw4Impl_GetAvailableVidMem,
    IDirectDraw4Impl_GetSurfaceFromDC,
    IDirectDraw4Impl_RestoreAllSurfaces,
    IDirectDraw4Impl_TestCooperativeLevel,
    IDirectDraw4Impl_GetDeviceIdentifier
};

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