dlls/ddrawex/ddraw.c

   1 /*
   2  * Copyright 2008 Stefan Dösinger for CodeWeavers
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2.1 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  17  */
  18 #include "wine/debug.h"
  19
  20 #define COBJMACROS
  21
  22 #include "winbase.h"
  23 #include "wingdi.h"
  24
  25 #include "ddraw.h"
  26 #include "d3d.h"
  27
  28 #include "ddrawex_private.h"
  29
  30 WINE_DEFAULT_DEBUG_CHANNEL(ddrawex);
  31
  32 /******************************************************************************
  33  * Helper functions for COM management
  34  ******************************************************************************/
  35 static IDirectDrawImpl *impl_from_dd1(IDirectDraw *iface)
  36 {
  37     return (IDirectDrawImpl *)((char*)iface - FIELD_OFFSET(IDirectDrawImpl, IDirectDraw_Vtbl));
  38 }
  39 static IDirectDraw *dd1_from_impl(IDirectDrawImpl *This)
  40 {
  41     return (IDirectDraw *) &This->IDirectDraw_Vtbl;
  42 }
  43
  44 static IDirectDrawImpl *impl_from_dd2(IDirectDraw2 *iface)
  45 {
  46     return (IDirectDrawImpl *)((char*)iface - FIELD_OFFSET(IDirectDrawImpl, IDirectDraw2_Vtbl));
  47 }
  48 static IDirectDraw2 *dd2_from_impl(IDirectDrawImpl *This)
  49 {
  50     return (IDirectDraw2 *) &This->IDirectDraw2_Vtbl;
  51 }
  52
  53 static IDirectDrawImpl *impl_from_dd3(IDirectDraw3 *iface)
  54 {
  55     return (IDirectDrawImpl *)((char*)iface - FIELD_OFFSET(IDirectDrawImpl, IDirectDraw3_Vtbl));
  56 }
  57 static IDirectDraw3 *dd3_from_impl(IDirectDrawImpl *This)
  58 {
  59     return (IDirectDraw3 *) &This->IDirectDraw3_Vtbl;
  60 }
  61
  62 static IDirectDrawImpl *impl_from_dd4(IDirectDraw4 *iface)
  63 {
  64     return (IDirectDrawImpl *)((char*)iface - FIELD_OFFSET(IDirectDrawImpl, IDirectDraw4_Vtbl));
  65 }
  66 static IDirectDraw4 *dd4_from_impl(IDirectDrawImpl *This)
  67 {
  68     return (IDirectDraw4 *) &This->IDirectDraw4_Vtbl;
  69 }
  70
  71 /******************************************************************************
  72  * IDirectDraw4 -> ddraw.dll wrappers
  73  ******************************************************************************/
  74 static HRESULT WINAPI
  75 IDirectDraw4Impl_QueryInterface(IDirectDraw4 *iface,
  76                                 REFIID refiid,
  77                                 void **obj)
  78 {
  79     IDirectDrawImpl *This = impl_from_dd4(iface);
  80
  81     TRACE("(%p)->(%s,%p)\n", This, debugstr_guid(refiid), obj);
  82     *obj = NULL;
  83
  84     if(!refiid)
  85     {
  86         return DDERR_INVALIDPARAMS;
  87     }
  88
  89     if (IsEqualGUID( &IID_IDirectDraw7, refiid ) )
  90     {
  91         WARN("IDirectDraw7 not allowed in ddrawex.dll\n");
  92         return E_NOINTERFACE;
  93     }
  94     else if ( IsEqualGUID( &IID_IUnknown, refiid ) ||
  95               IsEqualGUID( &IID_IDirectDraw4, refiid ) )
  96     {
  97         *obj = dd4_from_impl(This);
  98         TRACE("(%p) Returning IDirectDraw4 interface at %p\n", This, *obj);
  99         IDirectDraw4_AddRef((IDirectDraw4 *) *obj);
 100     }
 101     else if ( IsEqualGUID( &IID_IDirectDraw3, refiid ) )
 102     {
 103         *obj = dd3_from_impl(This);
 104         TRACE("(%p) Returning IDirectDraw3 interface at %p\n", This, *obj);
 105         IDirectDraw3_AddRef((IDirectDraw3 *) *obj);
 106     }
 107     else if ( IsEqualGUID( &IID_IDirectDraw2, refiid ) )
 108     {
 109         *obj = dd2_from_impl(This);
 110         TRACE("(%p) Returning IDirectDraw2 interface at %p\n", This, *obj);
 111         IDirectDraw2_AddRef((IDirectDraw2 *) *obj);
 112     }
 113     else if ( IsEqualGUID( &IID_IDirectDraw, refiid ) )
 114     {
 115         *obj = dd1_from_impl(This);
 116         TRACE("(%p) Returning IDirectDraw interface at %p\n", This, *obj);
 117         IDirectDraw_AddRef((IDirectDraw *) *obj);
 118     }
 119     else if ( IsEqualGUID( &IID_IDirect3D  , refiid ) ||
 120               IsEqualGUID( &IID_IDirect3D2 , refiid ) ||
 121               IsEqualGUID( &IID_IDirect3D3 , refiid ) ||
 122               IsEqualGUID( &IID_IDirect3D7 , refiid ) )
 123     {
 124         WARN("Direct3D not allowed in ddrawex.dll\n");
 125         return E_NOINTERFACE;
 126     }
 127     /* Unknown interface */
 128     else
 129     {
 130         ERR("(%p)->(%s, %p): No interface found\n", This, debugstr_guid(refiid), obj);
 131         return E_NOINTERFACE;
 132     }
 133     TRACE("Returning S_OK\n");
 134     return S_OK;
 135 }
 136
 137 static HRESULT WINAPI
 138 IDirectDraw3Impl_QueryInterface(IDirectDraw3 *iface,
 139                                 REFIID refiid,
 140                                 void **obj)
 141 {
 142     IDirectDrawImpl *This = impl_from_dd3(iface);
 143     TRACE("Thunking to IDirectDraw4\n");
 144     return IDirectDraw4_QueryInterface(dd4_from_impl(This), refiid, obj);
 145 }
 146
 147 static HRESULT WINAPI
 148 IDirectDraw2Impl_QueryInterface(IDirectDraw2 *iface,
 149                                 REFIID refiid,
 150                                 void **obj)
 151 {
 152     IDirectDrawImpl *This = impl_from_dd2(iface);
 153     TRACE("Thunking to IDirectDraw4\n");
 154     return IDirectDraw4_QueryInterface(dd4_from_impl(This), refiid, obj);
 155 }
 156
 157 static HRESULT WINAPI
 158 IDirectDrawImpl_QueryInterface(IDirectDraw *iface,
 159                                REFIID refiid,
 160                                void **obj)
 161 {
 162     IDirectDrawImpl *This = impl_from_dd1(iface);
 163     TRACE("Thunking to IDirectDraw4\n");
 164     return IDirectDraw4_QueryInterface(dd4_from_impl(This), refiid, obj);
 165 }
 166
 167 static ULONG WINAPI
 168 IDirectDraw4Impl_AddRef(IDirectDraw4 *iface)
 169 {
 170     IDirectDrawImpl *This = impl_from_dd4(iface);
 171     ULONG ref = InterlockedIncrement(&This->ref);
 172
 173     TRACE("(%p) : incrementing refcount from %u.\n", This, ref - 1);
 174
 175     return ref;
 176 }
 177
 178 static ULONG WINAPI
 179 IDirectDraw3Impl_AddRef(IDirectDraw3 *iface)
 180 {
 181     IDirectDrawImpl *This = impl_from_dd3(iface);
 182     TRACE("Thunking to IDirectDraw4\n");
 183     return IDirectDraw4_AddRef(dd4_from_impl(This));
 184 }
 185
 186 static ULONG WINAPI
 187 IDirectDraw2Impl_AddRef(IDirectDraw2 *iface)
 188 {
 189     IDirectDrawImpl *This = impl_from_dd2(iface);
 190     TRACE("Thunking to IDirectDraw4\n");
 191     return IDirectDraw4_AddRef(dd4_from_impl(This));
 192 }
 193
 194 static ULONG WINAPI
 195 IDirectDrawImpl_AddRef(IDirectDraw *iface)
 196 {
 197     IDirectDrawImpl *This = impl_from_dd1(iface);
 198     TRACE("Thunking to IDirectDraw4\n");
 199     return IDirectDraw4_AddRef(dd4_from_impl(This));
 200 }
 201
 202 static ULONG WINAPI
 203 IDirectDraw4Impl_Release(IDirectDraw4 *iface)
 204 {
 205     IDirectDrawImpl *This = impl_from_dd4(iface);
 206     ULONG ref = InterlockedDecrement(&This->ref);
 207
 208     TRACE("(%p) : decrementing refcount to %u.\n", This, ref);
 209
 210     if(ref == 0)
 211     {
 212         TRACE("Destroying object\n");
 213         IDirectDraw4_Release(This->parent);
 214         HeapFree(GetProcessHeap(), 0, This);
 215     }
 216     return ref;
 217 }
 218
 219 static ULONG WINAPI
 220 IDirectDraw3Impl_Release(IDirectDraw3 *iface)
 221 {
 222     IDirectDrawImpl *This = impl_from_dd3(iface);
 223     TRACE("Thunking to IDirectDraw4\n");
 224     return IDirectDraw4_Release(dd4_from_impl(This));
 225 }
 226
 227 static ULONG WINAPI
 228 IDirectDraw2Impl_Release(IDirectDraw2 *iface)
 229 {
 230     IDirectDrawImpl *This = impl_from_dd2(iface);
 231     TRACE("Thunking to IDirectDraw4\n");
 232     return IDirectDraw4_Release(dd4_from_impl(This));
 233 }
 234
 235 static ULONG WINAPI
 236 IDirectDrawImpl_Release(IDirectDraw *iface)
 237 {
 238     IDirectDrawImpl *This = impl_from_dd1(iface);
 239     TRACE("Thunking to IDirectDraw4\n");
 240     return IDirectDraw4_Release(dd4_from_impl(This));
 241 }
 242
 243 static HRESULT WINAPI
 244 IDirectDraw4Impl_Compact(IDirectDraw4 *iface)
 245 {
 246     IDirectDrawImpl *This = impl_from_dd4(iface);
 247     TRACE("(%p)\n", This);
 248
 249     return IDirectDraw4_Compact(This->parent);
 250 }
 251
 252 static HRESULT WINAPI
 253 IDirectDraw3Impl_Compact(IDirectDraw3 *iface)
 254 {
 255     IDirectDrawImpl *This = impl_from_dd3(iface);
 256     TRACE("Thunking to IDirectDraw4\n");
 257     return IDirectDraw4_Compact(dd4_from_impl(This));
 258 }
 259
 260 static HRESULT WINAPI
 261 IDirectDraw2Impl_Compact(IDirectDraw2 *iface)
 262 {
 263     IDirectDrawImpl *This = impl_from_dd2(iface);
 264     TRACE("Thunking to IDirectDraw4\n");
 265     return IDirectDraw4_Compact(dd4_from_impl(This));
 266 }
 267
 268 static HRESULT WINAPI
 269 IDirectDrawImpl_Compact(IDirectDraw *iface)
 270 {
 271     IDirectDrawImpl *This = impl_from_dd1(iface);
 272     TRACE("Thunking to IDirectDraw4\n");
 273     return IDirectDraw4_Compact(dd4_from_impl(This));
 274 }
 275
 276 static HRESULT WINAPI
 277 IDirectDraw4Impl_CreateClipper(IDirectDraw4 *iface,
 278                                DWORD Flags,
 279                                IDirectDrawClipper **clipper,
 280                                IUnknown *UnkOuter)
 281 {
 282     IDirectDrawImpl *This = impl_from_dd4(iface);
 283     TRACE("(%p)->(0x%08x, %p, %p)\n", This, Flags, clipper, UnkOuter);
 284
 285     if(UnkOuter != NULL)
 286     {
 287         /* This may require a wrapper interface for clippers too which handles this */
 288         FIXME("Test and implement Aggregation for ddrawex clippers\n");
 289     }
 290
 291     return IDirectDraw4_CreateClipper(This->parent, Flags, clipper, UnkOuter);
 292 }
 293
 294 static HRESULT WINAPI
 295 IDirectDraw3Impl_CreateClipper(IDirectDraw3 *iface,
 296                                DWORD Flags,
 297                                IDirectDrawClipper **clipper,
 298                                IUnknown *UnkOuter)
 299 {
 300     IDirectDrawImpl *This = impl_from_dd3(iface);
 301     TRACE("Thunking to IDirectDraw4\n");
 302     return IDirectDraw4_CreateClipper(dd4_from_impl(This), Flags, clipper, UnkOuter);
 303 }
 304
 305 static HRESULT WINAPI
 306 IDirectDraw2Impl_CreateClipper(IDirectDraw2 *iface,
 307                                DWORD Flags,
 308                                IDirectDrawClipper **clipper,
 309                                IUnknown *UnkOuter)
 310 {
 311     IDirectDrawImpl *This = impl_from_dd2(iface);
 312     TRACE("Thunking to IDirectDraw4\n");
 313     return IDirectDraw4_CreateClipper(dd4_from_impl(This), Flags, clipper, UnkOuter);
 314 }
 315
 316 static HRESULT WINAPI
 317 IDirectDrawImpl_CreateClipper(IDirectDraw *iface,
 318                               DWORD Flags,
 319                               IDirectDrawClipper **clipper,
 320                               IUnknown *UnkOuter)
 321 {
 322     IDirectDrawImpl *This = impl_from_dd1(iface);
 323     TRACE("Thunking to IDirectDraw4\n");
 324     return IDirectDraw4_CreateClipper(dd4_from_impl(This), Flags, clipper, UnkOuter);
 325 }
 326
 327 static HRESULT WINAPI
 328 IDirectDraw4Impl_CreatePalette(IDirectDraw4 *iface,
 329                                DWORD Flags,
 330                                PALETTEENTRY *ColorTable,
 331                                IDirectDrawPalette **Palette,
 332                                IUnknown *UnkOuter)
 333 {
 334     IDirectDrawImpl *This = impl_from_dd4(iface);
 335     TRACE("(%p)(0x%08x,%p,%p,%p)\n", This, Flags, ColorTable, Palette, UnkOuter);
 336
 337     if(UnkOuter != NULL)
 338     {
 339         /* This may require a wrapper interface for palettes too which handles this */
 340         FIXME("Test and implement Aggregation for ddrawex palettes\n");
 341     }
 342
 343     return IDirectDraw4_CreatePalette(This->parent, Flags, ColorTable, Palette, UnkOuter);
 344 }
 345
 346 static HRESULT WINAPI
 347 IDirectDraw3Impl_CreatePalette(IDirectDraw3 *iface,
 348                                DWORD Flags,
 349                                PALETTEENTRY *ColorTable,
 350                                IDirectDrawPalette **Palette,
 351                                IUnknown *UnkOuter)
 352 {
 353     IDirectDrawImpl *This = impl_from_dd3(iface);
 354     TRACE("Thunking to IDirectDraw4\n");
 355     return IDirectDraw4_CreatePalette(dd4_from_impl(This), Flags, ColorTable, Palette, UnkOuter);
 356 }
 357
 358 static HRESULT WINAPI
 359 IDirectDraw2Impl_CreatePalette(IDirectDraw2 *iface,
 360                                DWORD Flags,
 361                                PALETTEENTRY *ColorTable,
 362                                IDirectDrawPalette **Palette,
 363                                IUnknown *UnkOuter)
 364 {
 365     IDirectDrawImpl *This = impl_from_dd2(iface);
 366     TRACE("Thunking to IDirectDraw4\n");
 367     return IDirectDraw4_CreatePalette(dd4_from_impl(This), Flags, ColorTable, Palette, UnkOuter);
 368 }
 369
 370 static HRESULT WINAPI
 371 IDirectDrawImpl_CreatePalette(IDirectDraw *iface,
 372                               DWORD Flags,
 373                               PALETTEENTRY *ColorTable,
 374                               IDirectDrawPalette **Palette,
 375                               IUnknown *UnkOuter)
 376 {
 377     IDirectDrawImpl *This = impl_from_dd1(iface);
 378     TRACE("Thunking to IDirectDraw4\n");
 379     return IDirectDraw4_CreatePalette(dd4_from_impl(This), Flags, ColorTable, Palette, UnkOuter);
 380 }
 381
 382 static HRESULT WINAPI
 383 IDirectDraw4Impl_CreateSurface(IDirectDraw4 *iface,
 384                                DDSURFACEDESC2 *DDSD,
 385                                IDirectDrawSurface4 **Surf,
 386                                IUnknown *UnkOuter)
 387 {
 388     IDirectDrawImpl *This = impl_from_dd4(iface);
 389     HRESULT hr;
 390     const DWORD perm_dc_flags = DDSCAPS_VIDEOMEMORY | DDSCAPS_SYSTEMMEMORY;
 391     BOOL permanent_dc;
 392     TRACE("(%p)(%p, %p, %p)\n", This, DDSD, Surf, UnkOuter);
 393
 394     if(UnkOuter != NULL)
 395     {
 396         /* Handle this in this dll. Don't forward the UnkOuter to ddraw.dll */
 397         FIXME("Implement aggregation for ddrawex surfaces\n");
 398     }
 399
 400     /* plain ddraw.dll refuses to create a surface that has both VIDMEM and SYSMEM flags
 401      * set. In ddrawex this succeeds, and the GetDC() call changes the behavior. The DC
 402      * is permanently valid, and the surface can be locked between GetDC() and ReleaseDC()
 403      * calls. GetDC() can be called more than once too
 404      */
 405     if((DDSD->ddsCaps.dwCaps & perm_dc_flags) == perm_dc_flags)
 406     {
 407         permanent_dc = TRUE;
 408         DDSD->ddsCaps.dwCaps &= ~DDSCAPS_VIDEOMEMORY;
 409         DDSD->ddsCaps.dwCaps |= DDSCAPS_OWNDC;
 410     }
 411     else
 412     {
 413         permanent_dc = FALSE;
 414     }
 415
 416     hr = IDirectDraw4_CreateSurface(This->parent, DDSD, Surf, UnkOuter);
 417     *Surf = dds_get_outer(*Surf);
 418     if(permanent_dc) prepare_permanent_dc(*Surf);
 419     return hr;
 420 }
 421
 422 void DDSD_to_DDSD2(const DDSURFACEDESC *in, DDSURFACEDESC2 *out)
 423 {
 424     memset(out, 0, sizeof(*out));
 425     out->dwSize = sizeof(*out);
 426     out->dwFlags = in->dwFlags;
 427     if(in->dwFlags & DDSD_WIDTH) out->dwWidth = in->dwWidth;
 428     if(in->dwFlags & DDSD_HEIGHT) out->dwHeight = in->dwHeight;
 429     if(in->dwFlags & DDSD_PIXELFORMAT) out->ddpfPixelFormat = in->ddpfPixelFormat;
 430     if(in->dwFlags & DDSD_CAPS) out->ddsCaps.dwCaps = in->ddsCaps.dwCaps;
 431     if(in->dwFlags & DDSD_PITCH) out->lPitch = in->lPitch;
 432     if(in->dwFlags & DDSD_BACKBUFFERCOUNT) out->dwBackBufferCount = in->dwBackBufferCount;
 433     if(in->dwFlags & DDSD_ZBUFFERBITDEPTH) out->dwMipMapCount = in->dwZBufferBitDepth; /* same union */
 434     if(in->dwFlags & DDSD_ALPHABITDEPTH) out->dwAlphaBitDepth = in->dwAlphaBitDepth;
 435     /* DDraw(native, and wine) does not set the DDSD_LPSURFACE, so always copy */
 436     out->lpSurface = in->lpSurface;
 437     if(in->dwFlags & DDSD_CKDESTOVERLAY) out->ddckCKDestOverlay = in->ddckCKDestOverlay;
 438     if(in->dwFlags & DDSD_CKDESTBLT) out->ddckCKDestBlt = in->ddckCKDestBlt;
 439     if(in->dwFlags & DDSD_CKSRCOVERLAY) out->ddckCKSrcOverlay = in->ddckCKSrcOverlay;
 440     if(in->dwFlags & DDSD_CKSRCBLT) out->ddckCKSrcBlt = in->ddckCKSrcBlt;
 441     if(in->dwFlags & DDSD_MIPMAPCOUNT) out->dwMipMapCount = in->dwMipMapCount;
 442     if(in->dwFlags & DDSD_REFRESHRATE) out->dwRefreshRate = in->dwRefreshRate;
 443     if(in->dwFlags & DDSD_LINEARSIZE) out->dwLinearSize = in->dwLinearSize;
 444     /* Does not exist in DDSURFACEDESC:
 445      * DDSD_TEXTURESTAGE, DDSD_FVF, DDSD_SRCVBHANDLE,
 446      */
 447 }
 448
 449 void DDSD2_to_DDSD(const DDSURFACEDESC2 *in, DDSURFACEDESC *out)
 450 {
 451     memset(out, 0, sizeof(*out));
 452     out->dwSize = sizeof(*out);
 453     out->dwFlags = in->dwFlags;
 454     if(in->dwFlags & DDSD_WIDTH) out->dwWidth = in->dwWidth;
 455     if(in->dwFlags & DDSD_HEIGHT) out->dwHeight = in->dwHeight;
 456     if(in->dwFlags & DDSD_PIXELFORMAT) out->ddpfPixelFormat = in->ddpfPixelFormat;
 457     if(in->dwFlags & DDSD_CAPS) out->ddsCaps.dwCaps = in->ddsCaps.dwCaps;
 458     if(in->dwFlags & DDSD_PITCH) out->lPitch = in->lPitch;
 459     if(in->dwFlags & DDSD_BACKBUFFERCOUNT) out->dwBackBufferCount = in->dwBackBufferCount;
 460     if(in->dwFlags & DDSD_ZBUFFERBITDEPTH) out->dwZBufferBitDepth = in->dwMipMapCount; /* same union */
 461     if(in->dwFlags & DDSD_ALPHABITDEPTH) out->dwAlphaBitDepth = in->dwAlphaBitDepth;
 462     /* DDraw(native, and wine) does not set the DDSD_LPSURFACE, so always copy */
 463     out->lpSurface = in->lpSurface;
 464     if(in->dwFlags & DDSD_CKDESTOVERLAY) out->ddckCKDestOverlay = in->ddckCKDestOverlay;
 465     if(in->dwFlags & DDSD_CKDESTBLT) out->ddckCKDestBlt = in->ddckCKDestBlt;
 466     if(in->dwFlags & DDSD_CKSRCOVERLAY) out->ddckCKSrcOverlay = in->ddckCKSrcOverlay;
 467     if(in->dwFlags & DDSD_CKSRCBLT) out->ddckCKSrcBlt = in->ddckCKSrcBlt;
 468     if(in->dwFlags & DDSD_MIPMAPCOUNT) out->dwMipMapCount = in->dwMipMapCount;
 469     if(in->dwFlags & DDSD_REFRESHRATE) out->dwRefreshRate = in->dwRefreshRate;
 470     if(in->dwFlags & DDSD_LINEARSIZE) out->dwLinearSize = in->dwLinearSize;
 471     /* Does not exist in DDSURFACEDESC:
 472      * DDSD_TEXTURESTAGE, DDSD_FVF, DDSD_SRCVBHANDLE,
 473      */
 474     if(in->dwFlags & DDSD_TEXTURESTAGE) WARN("Does not exist in DDSURFACEDESC: DDSD_TEXTURESTAGE\n");
 475     if(in->dwFlags & DDSD_FVF) WARN("Does not exist in DDSURFACEDESC: DDSD_FVF\n");
 476     if(in->dwFlags & DDSD_SRCVBHANDLE) WARN("Does not exist in DDSURFACEDESC: DDSD_SRCVBHANDLE\n");
 477     out->dwFlags &= ~(DDSD_TEXTURESTAGE | DDSD_FVF | DDSD_SRCVBHANDLE);
 478 }
 479
 480 static HRESULT WINAPI
 481 IDirectDraw3Impl_CreateSurface(IDirectDraw3 *iface,
 482                                DDSURFACEDESC *DDSD,
 483                                IDirectDrawSurface **Surf,
 484                                IUnknown *UnkOuter)
 485 {
 486     IDirectDrawImpl *This = impl_from_dd3(iface);
 487     DDSURFACEDESC2 ddsd2;
 488     IDirectDrawSurface4 *surf4 = NULL;
 489     HRESULT hr;
 490     TRACE("Thunking to IDirectDraw4\n");
 491
 492     DDSD_to_DDSD2(DDSD, &ddsd2);
 493
 494     hr = IDirectDraw4_CreateSurface(dd4_from_impl(This), &ddsd2, &surf4, UnkOuter);
 495     if(FAILED(hr))
 496     {
 497         *Surf = NULL;
 498         return hr;
 499     }
 500
 501     TRACE("Got surface %p\n", surf4);
 502     IDirectDrawSurface4_QueryInterface(surf4, &IID_IDirectDrawSurface, (void **) Surf);
 503     IDirectDrawSurface4_Release(surf4);
 504     return hr;
 505 }
 506
 507 static HRESULT WINAPI
 508 IDirectDraw2Impl_CreateSurface(IDirectDraw2 *iface,
 509                                DDSURFACEDESC *DDSD,
 510                                IDirectDrawSurface **Surf,
 511                                IUnknown *UnkOuter)
 512 {
 513     IDirectDrawImpl *This = impl_from_dd2(iface);
 514     TRACE("Thunking to IDirectDraw3\n");
 515     return IDirectDraw3_CreateSurface(dd3_from_impl(This), DDSD, Surf, UnkOuter);
 516 }
 517
 518 static HRESULT WINAPI
 519 IDirectDrawImpl_CreateSurface(IDirectDraw *iface,
 520                               DDSURFACEDESC *DDSD,
 521                               IDirectDrawSurface **Surf,
 522                               IUnknown *UnkOuter)
 523 {
 524     IDirectDrawImpl *This = impl_from_dd1(iface);
 525     TRACE("Thunking to IDirectDraw3\n");
 526     return IDirectDraw3_CreateSurface(dd3_from_impl(This), DDSD, Surf, UnkOuter);
 527 }
 528
 529 static HRESULT WINAPI
 530 IDirectDraw4Impl_DuplicateSurface(IDirectDraw4 *iface,
 531                                   IDirectDrawSurface4 *src,
 532                                   IDirectDrawSurface4 **dst)
 533 {
 534     IDirectDrawImpl *This = impl_from_dd4(iface);
 535     FIXME("(%p)->(%p,%p). Create a wrapper surface\n", This, src, dst);
 536
 537     return IDirectDraw4_DuplicateSurface(This->parent, dds_get_inner(src), dst);
 538 }
 539
 540 static HRESULT WINAPI
 541 IDirectDraw3Impl_DuplicateSurface(IDirectDraw3 *iface,
 542                                   IDirectDrawSurface *src,
 543                                   IDirectDrawSurface **dst)
 544 {
 545     IDirectDrawImpl *This = impl_from_dd3(iface);
 546     IDirectDrawSurface4 *src_4;
 547     IDirectDrawSurface4 *dst_4;
 548     HRESULT hr;
 549
 550     TRACE("Thunking to IDirectDraw4\n");
 551     IDirectDrawSurface_QueryInterface(src, &IID_IDirectDrawSurface4, (void **) &src_4);
 552     hr = IDirectDraw4_DuplicateSurface(dd4_from_impl(This), src_4, &dst_4);
 553     IDirectDrawSurface4_Release(src_4);
 554
 555     if(FAILED(hr))
 556     {
 557         *dst = NULL;
 558         return hr;
 559     }
 560     IDirectDrawSurface4_QueryInterface(dst_4, &IID_IDirectDrawSurface, (void **) dst);
 561     IDirectDrawSurface4_Release(dst_4);
 562     return hr;
 563 }
 564
 565 static HRESULT WINAPI
 566 IDirectDraw2Impl_DuplicateSurface(IDirectDraw2 *iface,
 567                                   IDirectDrawSurface *src,
 568                                   IDirectDrawSurface **dst)
 569 {
 570     IDirectDrawImpl *This = impl_from_dd2(iface);
 571     TRACE("Thunking to IDirectDraw3\n");
 572     return IDirectDraw3_DuplicateSurface(dd3_from_impl(This), src, dst);
 573 }
 574
 575 static HRESULT WINAPI
 576 IDirectDrawImpl_DuplicateSurface(IDirectDraw *iface,
 577                                  IDirectDrawSurface *src,
 578                                  IDirectDrawSurface **dst)
 579 {
 580     IDirectDrawImpl *This = impl_from_dd1(iface);
 581     TRACE("Thunking to IDirectDraw3\n");
 582     return IDirectDraw3_DuplicateSurface(dd3_from_impl(This), src, dst);
 583 }
 584
 585 static HRESULT WINAPI
 586 IDirectDraw4Impl_EnumDisplayModes(IDirectDraw4 *iface,
 587                                   DWORD Flags,
 588                                   DDSURFACEDESC2 *DDSD,
 589                                   void *Context,
 590                                   LPDDENUMMODESCALLBACK2 cb)
 591 {
 592     IDirectDrawImpl *This = impl_from_dd4(iface);
 593     TRACE("(%p)->(0x%08x,%p,%p,%p)\n", This, Flags, DDSD, Context, cb);
 594
 595     return IDirectDraw4_EnumDisplayModes(This->parent, Flags, DDSD, Context, cb);
 596 }
 597
 598 struct enummodes_ctx
 599 {
 600     LPDDENUMMODESCALLBACK orig_cb;
 601     void *orig_ctx;
 602 };
 603
 604 static HRESULT WINAPI
 605 enum_modes_cb2(DDSURFACEDESC2 *ddsd2, void *vctx)
 606 {
 607     struct enummodes_ctx *ctx = vctx;
 608     DDSURFACEDESC ddsd;
 609
 610     DDSD2_to_DDSD(ddsd2, &ddsd);
 611     return ctx->orig_cb(&ddsd, ctx->orig_ctx);
 612 }
 613
 614 static HRESULT WINAPI
 615 IDirectDraw3Impl_EnumDisplayModes(IDirectDraw3 *iface,
 616                                   DWORD Flags,
 617                                   DDSURFACEDESC *DDSD,
 618                                   void *Context,
 619                                   LPDDENUMMODESCALLBACK cb)
 620 {
 621     IDirectDrawImpl *This = impl_from_dd3(iface);
 622     DDSURFACEDESC2 ddsd2;
 623     struct enummodes_ctx ctx;
 624     TRACE("(%p)->(0x%08x,%p,%p,%p): Thunking to IDirectDraw4\n", This, Flags, DDSD, Context, cb);
 625
 626     DDSD_to_DDSD2(DDSD, &ddsd2);
 627     ctx.orig_cb = cb;
 628     ctx.orig_ctx = Context;
 629     return IDirectDraw4_EnumDisplayModes(dd4_from_impl(This), Flags, &ddsd2, &ctx, enum_modes_cb2);
 630 }
 631
 632 static HRESULT WINAPI
 633 IDirectDraw2Impl_EnumDisplayModes(IDirectDraw2 *iface,
 634                                   DWORD Flags,
 635                                   DDSURFACEDESC *DDSD,
 636                                   void *Context,
 637                                   LPDDENUMMODESCALLBACK cb)
 638 {
 639     IDirectDrawImpl *This = impl_from_dd2(iface);
 640     TRACE("(%p)->(0x%08x,%p,%p,%p): Thunking to IDirectDraw3\n", This, Flags, DDSD, Context, cb);
 641     return IDirectDraw3_EnumDisplayModes(dd3_from_impl(This), Flags, DDSD, Context, cb);
 642 }
 643
 644 static HRESULT WINAPI
 645 IDirectDrawImpl_EnumDisplayModes(IDirectDraw *iface,
 646                                  DWORD Flags,
 647                                  DDSURFACEDESC *DDSD,
 648                                  void *Context,
 649                                  LPDDENUMMODESCALLBACK cb)
 650 {
 651     IDirectDrawImpl *This = impl_from_dd1(iface);
 652     TRACE("(%p)->(0x%08x,%p,%p,%p): Thunking to IDirectDraw3\n", This, Flags, DDSD, Context, cb);
 653     return IDirectDraw3_EnumDisplayModes(dd3_from_impl(This), Flags, DDSD, Context, cb);
 654 }
 655
 656 struct enumsurfaces4_ctx
 657 {
 658     LPDDENUMSURFACESCALLBACK2 orig_cb;
 659     void *orig_ctx;
 660 };
 661
 662 static HRESULT WINAPI
 663 enum_surfaces_wrapper(IDirectDrawSurface4 *surf4, DDSURFACEDESC2 *ddsd2, void *vctx)
 664 {
 665     struct enumsurfaces4_ctx *ctx = vctx;
 666     IDirectDrawSurface4 *outer = dds_get_outer(surf4);
 667     IDirectDrawSurface4_AddRef(outer);
 668     IDirectDrawSurface4_Release(surf4);
 669     TRACE("Returning wrapper surface %p for enumerated inner surface %p\n", outer, surf4);
 670     return ctx->orig_cb(outer, ddsd2, ctx->orig_ctx);
 671 }
 672
 673 static HRESULT WINAPI
 674 IDirectDraw4Impl_EnumSurfaces(IDirectDraw4 *iface,
 675                               DWORD Flags,
 676                               DDSURFACEDESC2 *DDSD,
 677                               void *Context,
 678                               LPDDENUMSURFACESCALLBACK2 Callback)
 679 {
 680     IDirectDrawImpl *This = impl_from_dd4(iface);
 681     struct enumsurfaces4_ctx *ctx;
 682     TRACE("(%p)->(0x%08x,%p,%p,%p)\n", This, Flags, DDSD, Context, Callback);
 683
 684     ctx->orig_cb = Callback;
 685     ctx->orig_ctx = Context;
 686     return IDirectDraw4Impl_EnumSurfaces(This->parent, Flags, DDSD, &ctx, enum_surfaces_wrapper);
 687 }
 688
 689 struct enumsurfaces_ctx
 690 {
 691     LPDDENUMSURFACESCALLBACK orig_cb;
 692     void *orig_ctx;
 693 };
 694
 695 static HRESULT WINAPI
 696 enum_surfaces_cb2(IDirectDrawSurface4 *surf4, DDSURFACEDESC2 *ddsd2, void *vctx)
 697 {
 698     struct enumsurfaces_ctx *ctx = vctx;
 699     IDirectDrawSurface *surf1;
 700     DDSURFACEDESC ddsd;
 701
 702     /* Keep the reference, it goes to the application */
 703     IDirectDrawSurface4_QueryInterface(surf4, &IID_IDirectDrawSurface, (void **) &surf1);
 704     /* Release the reference this function got */
 705     IDirectDrawSurface4_Release(surf4);
 706
 707     DDSD2_to_DDSD(ddsd2, &ddsd);
 708     return ctx->orig_cb(surf1, &ddsd, ctx->orig_ctx);
 709 }
 710
 711 static HRESULT WINAPI
 712 IDirectDraw3Impl_EnumSurfaces(IDirectDraw3 *iface,
 713                               DWORD Flags,
 714                               DDSURFACEDESC *DDSD,
 715                               void *Context,
 716                               LPDDENUMSURFACESCALLBACK Callback)
 717 {
 718     IDirectDrawImpl *This = impl_from_dd3(iface);
 719     DDSURFACEDESC2 ddsd2;
 720     struct enumsurfaces_ctx ctx;
 721     TRACE("(%p)->(0x%08x,%p,%p,%p): Thunking to IDirectDraw4\n", This, Flags, DDSD, Context, Callback);
 722
 723     DDSD_to_DDSD2(DDSD, &ddsd2);
 724     ctx.orig_cb = Callback;
 725     ctx.orig_ctx = Context;
 726     return IDirectDraw4_EnumSurfaces(dd4_from_impl(This), Flags, &ddsd2, &ctx, enum_surfaces_cb2);
 727 }
 728
 729 static HRESULT WINAPI
 730 IDirectDraw2Impl_EnumSurfaces(IDirectDraw2 *iface,
 731                               DWORD Flags,
 732                               DDSURFACEDESC *DDSD,
 733                               void *Context,
 734                               LPDDENUMSURFACESCALLBACK Callback)
 735 {
 736     IDirectDrawImpl *This = impl_from_dd2(iface);
 737     TRACE("(%p)->(0x%08x,%p,%p,%p): Thunking to IDirectDraw3\n", This, Flags, DDSD, Context, Callback);
 738     return IDirectDraw3_EnumSurfaces(dd3_from_impl(This), Flags, DDSD, Context, Callback);
 739 }
 740
 741 static HRESULT WINAPI
 742 IDirectDrawImpl_EnumSurfaces(IDirectDraw *iface,
 743                              DWORD Flags,
 744                              DDSURFACEDESC *DDSD,
 745                              void *Context,
 746                              LPDDENUMSURFACESCALLBACK Callback)
 747 {
 748     IDirectDrawImpl *This = impl_from_dd1(iface);
 749     TRACE("(%p)->(0x%08x,%p,%p,%p): Thunking to IDirectDraw3\n", This, Flags, DDSD, Context, Callback);
 750     return IDirectDraw3_EnumSurfaces(dd3_from_impl(This), Flags, DDSD, Context, Callback);
 751 }
 752
 753 static HRESULT WINAPI
 754 IDirectDraw4Impl_FlipToGDISurface(IDirectDraw4 *iface)
 755 {
 756     IDirectDrawImpl *This = impl_from_dd4(iface);
 757     TRACE("(%p)\n", This);
 758
 759     return IDirectDraw4_FlipToGDISurface(This->parent);
 760 }
 761
 762 static HRESULT WINAPI
 763 IDirectDraw3Impl_FlipToGDISurface(IDirectDraw3 *iface)
 764 {
 765     IDirectDrawImpl *This = impl_from_dd3(iface);
 766     TRACE("(%p). Thunking to IDirectDraw4\n", This);
 767     return IDirectDraw4_FlipToGDISurface(dd4_from_impl(This));
 768 }
 769
 770 static HRESULT WINAPI
 771 IDirectDraw2Impl_FlipToGDISurface(IDirectDraw2 *iface)
 772 {
 773     IDirectDrawImpl *This = impl_from_dd2(iface);
 774     TRACE("(%p). Thunking to IDirectDraw4\n", This);
 775     return IDirectDraw4_FlipToGDISurface(dd4_from_impl(This));
 776 }
 777
 778 static HRESULT WINAPI
 779 IDirectDrawImpl_FlipToGDISurface(IDirectDraw *iface)
 780 {
 781     IDirectDrawImpl *This = impl_from_dd1(iface);
 782     TRACE("(%p). Thunking to IDirectDraw4\n", This);
 783     return IDirectDraw4_FlipToGDISurface(dd4_from_impl(This));
 784 }
 785
 786 static HRESULT WINAPI
 787 IDirectDraw4Impl_GetCaps(IDirectDraw4 *iface,
 788                          DDCAPS *DriverCaps,
 789                          DDCAPS *HELCaps)
 790 {
 791     IDirectDrawImpl *This = impl_from_dd4(iface);
 792     TRACE("(%p)->(%p,%p)\n", This, DriverCaps, HELCaps);
 793     return IDirectDraw4_GetCaps(This->parent, DriverCaps, HELCaps);
 794 }
 795
 796 static HRESULT WINAPI
 797 IDirectDraw3Impl_GetCaps(IDirectDraw3 *iface,
 798                          DDCAPS *DriverCaps,
 799                          DDCAPS *HELCaps)
 800 {
 801     IDirectDrawImpl *This = impl_from_dd3(iface);
 802     TRACE("(%p)->(%p,%p). Thunking to IDirectDraw4\n", This, DriverCaps, HELCaps);
 803     return IDirectDraw4_GetCaps(dd4_from_impl(This), DriverCaps, HELCaps);
 804 }
 805
 806 static HRESULT WINAPI
 807 IDirectDraw2Impl_GetCaps(IDirectDraw2 *iface,
 808                          DDCAPS *DriverCaps,
 809                          DDCAPS *HELCaps)
 810 {
 811     IDirectDrawImpl *This = impl_from_dd2(iface);
 812     TRACE("(%p)->(%p,%p). Thunking to IDirectDraw4\n", This, DriverCaps, HELCaps);
 813     return IDirectDraw4_GetCaps(dd4_from_impl(This), DriverCaps, HELCaps);
 814 }
 815
 816 static HRESULT WINAPI
 817 IDirectDrawImpl_GetCaps(IDirectDraw *iface,
 818                         DDCAPS *DriverCaps,
 819                         DDCAPS *HELCaps)
 820 {
 821     IDirectDrawImpl *This = impl_from_dd1(iface);
 822     TRACE("(%p)->(%p,%p). Thunking to IDirectDraw4\n", This, DriverCaps, HELCaps);
 823     return IDirectDraw4_GetCaps(dd4_from_impl(This), DriverCaps, HELCaps);
 824 }
 825
 826 static HRESULT WINAPI
 827 IDirectDraw4Impl_GetDisplayMode(IDirectDraw4 *iface,
 828                                 DDSURFACEDESC2 *DDSD)
 829 {
 830     IDirectDrawImpl *This = impl_from_dd4(iface);
 831     TRACE("(%p)->(%p)\n", This, DDSD);
 832     return IDirectDraw4_GetDisplayMode(This->parent, DDSD);
 833 }
 834
 835 static HRESULT WINAPI
 836 IDirectDraw3Impl_GetDisplayMode(IDirectDraw3 *iface,
 837                                 DDSURFACEDESC *DDSD)
 838 {
 839     IDirectDrawImpl *This = impl_from_dd3(iface);
 840     DDSURFACEDESC2 ddsd2;
 841     HRESULT hr;
 842
 843     TRACE("(%p)->(%p): Thunking to IDirectDraw4\n", This, DDSD);
 844     hr = IDirectDraw4_GetDisplayMode(dd4_from_impl(This), &ddsd2);
 845     DDSD2_to_DDSD(&ddsd2, DDSD);
 846     return hr;
 847 }
 848
 849 static HRESULT WINAPI
 850 IDirectDraw2Impl_GetDisplayMode(IDirectDraw2 *iface,
 851                                 DDSURFACEDESC *DDSD)
 852 {
 853     IDirectDrawImpl *This = impl_from_dd2(iface);
 854     TRACE("(%p)->(%p): Thunking to IDirectDraw3\n", This, DDSD);
 855     return IDirectDraw3_GetDisplayMode(dd3_from_impl(This), DDSD);
 856 }
 857
 858 static HRESULT WINAPI
 859 IDirectDrawImpl_GetDisplayMode(IDirectDraw *iface,
 860                                DDSURFACEDESC *DDSD)
 861 {
 862     IDirectDrawImpl *This = impl_from_dd1(iface);
 863     TRACE("(%p)->(%p): Thunking to IDirectDraw3\n", This, DDSD);
 864     return IDirectDraw3_GetDisplayMode(dd3_from_impl(This), DDSD);
 865 }
 866
 867 static HRESULT WINAPI
 868 IDirectDraw4Impl_GetFourCCCodes(IDirectDraw4 *iface,
 869                                 DWORD *NumCodes,
 870                                 DWORD *Codes)
 871 {
 872     IDirectDrawImpl *This = impl_from_dd4(iface);
 873     TRACE("(%p)->(%p, %p):\n", This, NumCodes, Codes);
 874     return IDirectDraw4_GetFourCCCodes(This->parent, NumCodes, Codes);
 875 }
 876
 877 static HRESULT WINAPI
 878 IDirectDraw3Impl_GetFourCCCodes(IDirectDraw3 *iface,
 879                                 DWORD *NumCodes,
 880                                 DWORD *Codes)
 881 {
 882     IDirectDrawImpl *This = impl_from_dd3(iface);
 883     TRACE("(%p)->(%p, %p): Thunking to IDirectDraw4\n", This, NumCodes, Codes);
 884     return IDirectDraw4_GetFourCCCodes(dd4_from_impl(This), NumCodes, Codes);
 885 }
 886
 887 static HRESULT WINAPI
 888 IDirectDraw2Impl_GetFourCCCodes(IDirectDraw2 *iface,
 889                                 DWORD *NumCodes,
 890                                 DWORD *Codes)
 891 {
 892     IDirectDrawImpl *This = impl_from_dd2(iface);
 893     TRACE("(%p)->(%p, %p): Thunking to IDirectDraw4\n", This, NumCodes, Codes);
 894     return IDirectDraw4_GetFourCCCodes(dd4_from_impl(This), NumCodes, Codes);
 895 }
 896
 897 static HRESULT WINAPI
 898 IDirectDrawImpl_GetFourCCCodes(IDirectDraw *iface,
 899                                DWORD *NumCodes,
 900                                DWORD *Codes)
 901 {
 902     IDirectDrawImpl *This = impl_from_dd1(iface);
 903     TRACE("(%p)->(%p, %p): Thunking to IDirectDraw4\n", This, NumCodes, Codes);
 904     return IDirectDraw4_GetFourCCCodes(dd4_from_impl(This), NumCodes, Codes);
 905 }
 906
 907 static HRESULT WINAPI
 908 IDirectDraw4Impl_GetGDISurface(IDirectDraw4 *iface,
 909                                IDirectDrawSurface4 **GDISurface)
 910 {
 911     IDirectDrawImpl *This = impl_from_dd4(iface);
 912     IDirectDrawSurface4 *inner = NULL;
 913     HRESULT hr;
 914     TRACE("(%p)->(%p)\n", This, GDISurface);
 915
 916     hr = IDirectDraw4_GetGDISurface(This->parent, &inner);
 917     if(SUCCEEDED(hr))
 918     {
 919         *GDISurface = dds_get_outer(inner);
 920         IDirectDrawSurface4_AddRef(*GDISurface);
 921         IDirectDrawSurface4_Release(inner);
 922     }
 923     else
 924     {
 925         *GDISurface = NULL;
 926     }
 927     return hr;
 928 }
 929
 930 static HRESULT WINAPI
 931 IDirectDraw3Impl_GetGDISurface(IDirectDraw3 *iface,
 932                                IDirectDrawSurface **GDISurface)
 933 {
 934     IDirectDrawImpl *This = impl_from_dd3(iface);
 935     IDirectDrawSurface4 *surf4;
 936     HRESULT hr;
 937     TRACE("(%p)->(%p): Thunking to IDirectDraw4\n", This, GDISurface);
 938
 939     hr = IDirectDraw4_GetGDISurface(dd4_from_impl(This), &surf4);
 940     if(FAILED(hr)) {
 941         *GDISurface = NULL;
 942         return hr;
 943     }
 944
 945     /* Release the reference we got from the DDraw4 call, and pass a reference to the caller */
 946     IDirectDrawSurface4_QueryInterface(surf4, &IID_IDirectDrawSurface, (void **) GDISurface);
 947     IDirectDrawSurface4_Release(surf4);
 948     return hr;
 949 }
 950
 951 static HRESULT WINAPI
 952 IDirectDraw2Impl_GetGDISurface(IDirectDraw2 *iface,
 953                                IDirectDrawSurface **GDISurface)
 954 {
 955     IDirectDrawImpl *This = impl_from_dd2(iface);
 956     TRACE("(%p)->(%p): Thunking to IDirectDraw3\n", This, GDISurface);
 957     return IDirectDraw3_GetGDISurface(dd3_from_impl(This), GDISurface);
 958 }
 959
 960 static HRESULT WINAPI
 961 IDirectDrawImpl_GetGDISurface(IDirectDraw *iface,
 962                               IDirectDrawSurface **GDISurface)
 963 {
 964     IDirectDrawImpl *This = impl_from_dd1(iface);
 965     TRACE("(%p)->(%p): Thunking to IDirectDraw3\n", This, GDISurface);
 966     return IDirectDraw3_GetGDISurface(dd3_from_impl(This), GDISurface);
 967 }
 968
 969 static HRESULT WINAPI
 970 IDirectDraw4Impl_GetMonitorFrequency(IDirectDraw4 *iface,
 971                                      DWORD *Freq)
 972 {
 973     IDirectDrawImpl *This = impl_from_dd4(iface);
 974     TRACE("(%p)->(%p)\n", This, Freq);
 975     return IDirectDraw4_GetMonitorFrequency(This->parent, Freq);
 976 }
 977
 978 static HRESULT WINAPI
 979 IDirectDraw3Impl_GetMonitorFrequency(IDirectDraw3 *iface,
 980                                      DWORD *Freq)
 981 {
 982     IDirectDrawImpl *This = impl_from_dd3(iface);
 983     TRACE("(%p)->(%p): Thunking to IDirectDraw4\n", This, Freq);
 984     return IDirectDraw4_GetMonitorFrequency(dd4_from_impl(This), Freq);
 985 }
 986
 987 static HRESULT WINAPI
 988 IDirectDraw2Impl_GetMonitorFrequency(IDirectDraw2 *iface,
 989                                      DWORD *Freq)
 990 {
 991     IDirectDrawImpl *This = impl_from_dd2(iface);
 992     TRACE("(%p)->(%p): Thunking to IDirectDraw4\n", This, Freq);
 993     return IDirectDraw4_GetMonitorFrequency(dd4_from_impl(This), Freq);
 994 }
 995
 996 static HRESULT WINAPI
 997 IDirectDrawImpl_GetMonitorFrequency(IDirectDraw *iface,
 998                                     DWORD *Freq)
 999 {
1000     IDirectDrawImpl *This = impl_from_dd1(iface);
1001     TRACE("(%p)->(%p): Thunking to IDirectDraw4\n", This, Freq);
1002     return IDirectDraw4_GetMonitorFrequency(dd4_from_impl(This), Freq);
1003 }
1004
1005 static HRESULT WINAPI
1006 IDirectDraw4Impl_GetScanLine(IDirectDraw4 *iface,
1007                              DWORD *Scanline)
1008 {
1009     IDirectDrawImpl *This = impl_from_dd4(iface);
1010     TRACE("(%p)->(%p)\n", This, Scanline);
1011     return IDirectDraw4_GetScanLine(This->parent, Scanline);
1012 }
1013
1014 static HRESULT WINAPI
1015 IDirectDraw3Impl_GetScanLine(IDirectDraw3 *iface,
1016                              DWORD *Scanline)
1017 {
1018     IDirectDrawImpl *This = impl_from_dd3(iface);
1019     TRACE("(%p)->(%p): Thunking to IDirectDraw4\n", This, Scanline);
1020     return IDirectDraw4_GetScanLine(dd4_from_impl(This), Scanline);
1021 }
1022
1023 static HRESULT WINAPI
1024 IDirectDraw2Impl_GetScanLine(IDirectDraw2 *iface,
1025                              DWORD *Scanline)
1026 {
1027     IDirectDrawImpl *This = impl_from_dd2(iface);
1028     TRACE("(%p)->(%p): Thunking to IDirectDraw4\n", This, Scanline);
1029     return IDirectDraw4_GetScanLine(dd4_from_impl(This), Scanline);
1030 }
1031
1032 static HRESULT WINAPI
1033 IDirectDrawImpl_GetScanLine(IDirectDraw *iface,
1034                             DWORD *Scanline)
1035 {
1036     IDirectDrawImpl *This = impl_from_dd1(iface);
1037     TRACE("(%p)->(%p): Thunking to IDirectDraw4\n", This, Scanline);
1038     return IDirectDraw4_GetScanLine(dd4_from_impl(This), Scanline);
1039 }
1040
1041 static HRESULT WINAPI
1042 IDirectDraw4Impl_GetVerticalBlankStatus(IDirectDraw4 *iface,
1043                                         BOOL *status)
1044 {
1045     IDirectDrawImpl *This = impl_from_dd4(iface);
1046     TRACE("(%p)->(%p)\n", This, status);
1047     return IDirectDraw4_GetVerticalBlankStatus(This->parent, status);
1048 }
1049
1050 static HRESULT WINAPI
1051 IDirectDraw3Impl_GetVerticalBlankStatus(IDirectDraw3 *iface,
1052                                         BOOL *status)
1053 {
1054     IDirectDrawImpl *This = impl_from_dd3(iface);
1055     TRACE("(%p)->(%p): Thunking to IDirectDraw4\n", This, status);
1056     return IDirectDraw4_GetVerticalBlankStatus(dd4_from_impl(This), status);
1057 }
1058
1059 static HRESULT WINAPI
1060 IDirectDraw2Impl_GetVerticalBlankStatus(IDirectDraw2 *iface,
1061                                         BOOL *status)
1062 {
1063     IDirectDrawImpl *This = impl_from_dd2(iface);
1064     TRACE("(%p)->(%p): Thunking to IDirectDraw4\n", This, status);
1065     return IDirectDraw4_GetVerticalBlankStatus(dd4_from_impl(This), status);
1066 }
1067
1068 static HRESULT WINAPI
1069 IDirectDrawImpl_GetVerticalBlankStatus(IDirectDraw *iface,
1070                                        BOOL *status)
1071 {
1072     IDirectDrawImpl *This = impl_from_dd1(iface);
1073     TRACE("(%p)->(%p): Thunking to IDirectDraw4\n", This, status);
1074     return IDirectDraw4_GetVerticalBlankStatus(dd4_from_impl(This), status);
1075 }
1076
1077 static HRESULT WINAPI
1078 IDirectDraw4Impl_Initialize(IDirectDraw4 *iface,
1079                             GUID *Guid)
1080 {
1081     IDirectDrawImpl *This = impl_from_dd4(iface);
1082     TRACE("(%p)->(%s)\n", This, debugstr_guid(Guid));
1083     return IDirectDraw4_Initialize(This->parent, Guid);
1084 }
1085
1086 static HRESULT WINAPI
1087 IDirectDraw3Impl_Initialize(IDirectDraw3 *iface,
1088                             GUID *Guid)
1089 {
1090     IDirectDrawImpl *This = impl_from_dd3(iface);
1091     TRACE("(%p)->(%s): Thunking to IDirectDraw4\n", This, debugstr_guid(Guid));
1092     return IDirectDraw4_Initialize(dd4_from_impl(This), Guid);
1093 }
1094
1095 static HRESULT WINAPI
1096 IDirectDraw2Impl_Initialize(IDirectDraw2 *iface,
1097                             GUID *Guid)
1098 {
1099     IDirectDrawImpl *This = impl_from_dd2(iface);
1100     TRACE("(%p)->(%s): Thunking to IDirectDraw4\n", This, debugstr_guid(Guid));
1101     return IDirectDraw4_Initialize(dd4_from_impl(This), Guid);
1102 }
1103
1104 static HRESULT WINAPI
1105 IDirectDrawImpl_Initialize(IDirectDraw *iface,
1106                            GUID *Guid)
1107 {
1108     IDirectDrawImpl *This = impl_from_dd1(iface);
1109     TRACE("(%p)->(%s): Thunking to IDirectDraw4\n", This, debugstr_guid(Guid));
1110     return IDirectDraw4_Initialize(dd4_from_impl(This), Guid);
1111 }
1112
1113 static HRESULT WINAPI
1114 IDirectDraw4Impl_RestoreDisplayMode(IDirectDraw4 *iface)
1115 {
1116     IDirectDrawImpl *This = impl_from_dd4(iface);
1117     TRACE("(%p)\n", This);
1118     return IDirectDraw4_RestoreDisplayMode(This->parent);
1119 }
1120
1121 static HRESULT WINAPI
1122 IDirectDraw3Impl_RestoreDisplayMode(IDirectDraw3 *iface)
1123 {
1124     IDirectDrawImpl *This = impl_from_dd3(iface);
1125     TRACE("(%p): Thunking to IDirectDraw4\n", This);
1126     return IDirectDraw4_RestoreDisplayMode(dd4_from_impl(This));
1127 }
1128
1129 static HRESULT WINAPI
1130 IDirectDraw2Impl_RestoreDisplayMode(IDirectDraw2 *iface)
1131 {
1132     IDirectDrawImpl *This = impl_from_dd2(iface);
1133     TRACE("(%p): Thunking to IDirectDraw4\n", This);
1134     return IDirectDraw4_RestoreDisplayMode(dd4_from_impl(This));
1135 }
1136
1137 static HRESULT WINAPI
1138 IDirectDrawImpl_RestoreDisplayMode(IDirectDraw *iface)
1139 {
1140     IDirectDrawImpl *This = impl_from_dd1(iface);
1141     TRACE("(%p): Thunking to IDirectDraw4\n", This);
1142     return IDirectDraw4_RestoreDisplayMode(dd4_from_impl(This));
1143 }
1144
1145 static HRESULT WINAPI
1146 IDirectDraw4Impl_SetCooperativeLevel(IDirectDraw4 *iface,
1147                                      HWND hwnd,
1148                                      DWORD cooplevel)
1149 {
1150     IDirectDrawImpl *This = impl_from_dd4(iface);
1151     TRACE("(%p)->(%p, 0x%08x)\n", This, hwnd, cooplevel);
1152     return IDirectDraw4_SetCooperativeLevel(This->parent, hwnd, cooplevel);
1153 }
1154
1155 static HRESULT WINAPI
1156 IDirectDraw3Impl_SetCooperativeLevel(IDirectDraw3 *iface,
1157                                      HWND hwnd,
1158                                      DWORD cooplevel)
1159 {
1160     IDirectDrawImpl *This = impl_from_dd3(iface);
1161     TRACE("(%p)->(%p, 0x%08x): Thunking to IDirectDraw4\n", This, hwnd, cooplevel);
1162     return IDirectDraw4_SetCooperativeLevel(dd4_from_impl(This), hwnd, cooplevel);
1163 }
1164
1165 static HRESULT WINAPI
1166 IDirectDraw2Impl_SetCooperativeLevel(IDirectDraw2 *iface,
1167                                      HWND hwnd,
1168                                      DWORD cooplevel)
1169 {
1170     IDirectDrawImpl *This = impl_from_dd2(iface);
1171     TRACE("(%p)->(%p, 0x%08x): Thunking to IDirectDraw4\n", This, hwnd, cooplevel);
1172     return IDirectDraw4_SetCooperativeLevel(dd4_from_impl(This), hwnd, cooplevel);
1173 }
1174
1175 static HRESULT WINAPI
1176 IDirectDrawImpl_SetCooperativeLevel(IDirectDraw *iface,
1177                                     HWND hwnd,
1178                                     DWORD cooplevel)
1179 {
1180     IDirectDrawImpl *This = impl_from_dd1(iface);
1181     TRACE("(%p)->(%p, 0x%08x): Thunking to IDirectDraw4\n", This, hwnd, cooplevel);
1182     return IDirectDraw4_SetCooperativeLevel(dd4_from_impl(This), hwnd, cooplevel);
1183 }
1184
1185 static HRESULT WINAPI
1186 IDirectDraw4Impl_SetDisplayMode(IDirectDraw4 *iface,
1187                                 DWORD Width,
1188                                 DWORD Height,
1189                                 DWORD BPP,
1190                                 DWORD RefreshRate,
1191                                 DWORD Flags)
1192 {
1193     IDirectDrawImpl *This = impl_from_dd4(iface);
1194     TRACE("(%p)->(%u, %u, %u, %u, 0x%08x)\n", This, Width, Height, BPP, RefreshRate, Flags);
1195     return IDirectDraw4_SetDisplayMode(This->parent, Width, Height, BPP, RefreshRate, Flags);
1196 }
1197
1198 static HRESULT WINAPI
1199 IDirectDraw3Impl_SetDisplayMode(IDirectDraw3 *iface,
1200                                 DWORD Width,
1201                                 DWORD Height,
1202                                 DWORD BPP,
1203                                 DWORD RefreshRate,
1204                                 DWORD Flags)
1205 {
1206     IDirectDrawImpl *This = impl_from_dd3(iface);
1207     TRACE("(%p)->(%u, %u, %u, %u, 0x%08x): Thunking to IDirectDraw4\n", This, Width, Height, BPP, RefreshRate, Flags);
1208     return IDirectDraw3_SetDisplayMode(dd4_from_impl(This), Width, Height, BPP, RefreshRate, Flags);
1209 }
1210
1211 static HRESULT WINAPI
1212 IDirectDraw2Impl_SetDisplayMode(IDirectDraw2 *iface,
1213                                 DWORD Width,
1214                                 DWORD Height,
1215                                 DWORD BPP,
1216                                 DWORD RefreshRate,
1217                                 DWORD Flags)
1218 {
1219     IDirectDrawImpl *This = impl_from_dd2(iface);
1220     TRACE("(%p)->(%u, %u, %u, %u, 0x%08x): Thunking to IDirectDraw4\n", This, Width, Height, BPP, RefreshRate, Flags);
1221     return IDirectDraw3_SetDisplayMode(dd4_from_impl(This), Width, Height, BPP, RefreshRate, Flags);
1222 }
1223
1224 static HRESULT WINAPI
1225 IDirectDrawImpl_SetDisplayMode(IDirectDraw *iface,
1226                                DWORD Width,
1227                                DWORD Height,
1228                                DWORD BPP)
1229 {
1230     IDirectDrawImpl *This = impl_from_dd1(iface);
1231     TRACE("(%p)->(%u, %u, %u): Thunking to IDirectDraw4\n", This, Width, Height, BPP);
1232     return IDirectDraw3_SetDisplayMode(dd4_from_impl(This), Width, Height, BPP, 0, 0);
1233 }
1234
1235 static HRESULT WINAPI
1236 IDirectDraw4Impl_WaitForVerticalBlank(IDirectDraw4 *iface,
1237                                       DWORD Flags,
1238                                       HANDLE h)
1239 {
1240     IDirectDrawImpl *This = impl_from_dd4(iface);
1241     TRACE("(%p)->(0x%08x, %p)\n", This, Flags, h);
1242     return IDirectDraw4_WaitForVerticalBlank(This->parent, Flags, h);
1243 }
1244
1245 static HRESULT WINAPI
1246 IDirectDraw3Impl_WaitForVerticalBlank(IDirectDraw3 *iface,
1247                                       DWORD Flags,
1248                                       HANDLE h)
1249 {
1250     IDirectDrawImpl *This = impl_from_dd3(iface);
1251     TRACE("(%p)->(0x%08x, %p): Thunking to IDirectDraw4\n", This, Flags, h);
1252     return IDirectDraw4_WaitForVerticalBlank(dd4_from_impl(This), Flags, h);
1253 }
1254
1255 static HRESULT WINAPI
1256 IDirectDraw2Impl_WaitForVerticalBlank(IDirectDraw2 *iface,
1257                                       DWORD Flags,
1258                                       HANDLE h)
1259 {
1260     IDirectDrawImpl *This = impl_from_dd2(iface);
1261     TRACE("(%p)->(0x%08x, %p): Thunking to IDirectDraw4\n", This, Flags, h);
1262     return IDirectDraw4_WaitForVerticalBlank(dd4_from_impl(This), Flags, h);
1263 }
1264
1265 static HRESULT WINAPI
1266 IDirectDrawImpl_WaitForVerticalBlank(IDirectDraw *iface,
1267                                      DWORD Flags,
1268                                      HANDLE h)
1269 {
1270     IDirectDrawImpl *This = impl_from_dd1(iface);
1271     TRACE("(%p)->(0x%08x, %p): Thunking to IDirectDraw4\n", This, Flags, h);
1272     return IDirectDraw4_WaitForVerticalBlank(dd4_from_impl(This), Flags, h);
1273 }
1274
1275 static HRESULT WINAPI
1276 IDirectDraw4Impl_GetAvailableVidMem(IDirectDraw4 *iface,
1277                                     DDSCAPS2 *Caps,
1278                                     DWORD *total,
1279                                     DWORD *free)
1280 {
1281     IDirectDrawImpl *This = impl_from_dd4(iface);
1282     TRACE("(%p)->(%p, %p, %p)\n", This, Caps, total, free);
1283     return IDirectDraw4_GetAvailableVidMem(This->parent, Caps, total, free);
1284 }
1285
1286 static HRESULT WINAPI
1287 IDirectDraw3Impl_GetAvailableVidMem(IDirectDraw3 *iface,
1288                                     DDSCAPS *Caps,
1289                                     DWORD *total,
1290                                     DWORD *free)
1291 {
1292     IDirectDrawImpl *This = impl_from_dd3(iface);
1293     DDSCAPS2 caps2;
1294     TRACE("(%p)->(%p, %p, %p): Thunking to IDirectDraw4\n", This, Caps, total, free);
1295     memset(&caps2, 0, sizeof(caps2));
1296     caps2.dwCaps = Caps->dwCaps;
1297     return IDirectDraw4_GetAvailableVidMem(dd4_from_impl(This), &caps2, total, free);
1298 }
1299
1300 static HRESULT WINAPI
1301 IDirectDraw2Impl_GetAvailableVidMem(IDirectDraw2 *iface,
1302                                     DDSCAPS *Caps,
1303                                     DWORD *total,
1304                                     DWORD *free)
1305 {
1306     IDirectDrawImpl *This = impl_from_dd2(iface);
1307     DDSCAPS2 caps2;
1308     TRACE("(%p)->(%p, %p, %p): Thunking to IDirectDraw4\n", This, Caps, total, free);
1309     memset(&caps2, 0, sizeof(caps2));
1310     caps2.dwCaps = Caps->dwCaps;
1311     return IDirectDraw4_GetAvailableVidMem(dd4_from_impl(This), &caps2, total, free);
1312 }
1313
1314 static HRESULT WINAPI
1315 IDirectDraw4Impl_GetSurfaceFromDC(IDirectDraw4 *iface,
1316                                   HDC hdc,
1317                                   IDirectDrawSurface4 **Surface)
1318 {
1319     IDirectDrawImpl *This = impl_from_dd4(iface);
1320     IDirectDrawSurface4 *inner;
1321     HRESULT hr;
1322     TRACE("(%p)->(%p, %p)\n", This, hdc, Surface);
1323     hr = IDirectDraw4_GetSurfaceFromDC(This->parent,hdc, &inner);
1324     if(SUCCEEDED(hr))
1325     {
1326         *Surface = dds_get_outer(inner);
1327         IDirectDrawSurface4_AddRef(*Surface);
1328         IDirectDrawSurface4_Release(inner);
1329     }
1330     else
1331     {
1332         *Surface = NULL;
1333     }
1334
1335     return hr;
1336 }
1337
1338 static HRESULT WINAPI
1339 IDirectDraw3Impl_GetSurfaceFromDC(IDirectDraw3 *iface,
1340                                   HDC hdc,
1341                                   IDirectDrawSurface **Surface)
1342 {
1343     IDirectDrawImpl *This = impl_from_dd3(iface);
1344     IDirectDrawSurface4 *surf4;
1345     HRESULT hr;
1346     TRACE("(%p)->(%p, %p): Thunking to IDirectDraw4\n", This, hdc, Surface);
1347
1348     hr = IDirectDraw4_GetSurfaceFromDC(dd4_from_impl(This), hdc, &surf4);
1349     if(FAILED(hr))
1350     {
1351         *Surface = NULL;
1352         return hr;
1353     }
1354     IDirectDrawSurface4_QueryInterface(surf4, &IID_IDirectDrawSurface, (void **) Surface);
1355     IDirectDrawSurface4_Release(surf4);
1356     return hr;
1357 }
1358
1359 static HRESULT WINAPI
1360 IDirectDraw4Impl_RestoreAllSurfaces(IDirectDraw4 *iface)
1361 {
1362     IDirectDrawImpl *This = impl_from_dd4(iface);
1363     TRACE("(%p)\n", This);
1364     return IDirectDraw4_RestoreAllSurfaces(This->parent);
1365 }
1366
1367 static HRESULT WINAPI
1368 IDirectDraw4Impl_TestCooperativeLevel(IDirectDraw4 *iface)
1369 {
1370     IDirectDrawImpl *This = impl_from_dd4(iface);
1371     TRACE("(%p)\n", This);
1372     return IDirectDraw4_TestCooperativeLevel(This->parent);
1373 }
1374
1375 static HRESULT WINAPI
1376 IDirectDraw4Impl_GetDeviceIdentifier(IDirectDraw4 *iface,
1377                                      DDDEVICEIDENTIFIER *DDDI,
1378                                      DWORD Flags)
1379 {
1380     IDirectDrawImpl *This = impl_from_dd4(iface);
1381     TRACE("(%p)->(%p,0x%08x)\n", This, DDDI, Flags);
1382     return IDirectDraw4_GetDeviceIdentifier(This->parent, DDDI, Flags);
1383 }
1384
1385 static const IDirectDrawVtbl IDirectDraw1_Vtbl =
1386 {
1387     IDirectDrawImpl_QueryInterface,
1388     IDirectDrawImpl_AddRef,
1389     IDirectDrawImpl_Release,
1390     IDirectDrawImpl_Compact,
1391     IDirectDrawImpl_CreateClipper,
1392     IDirectDrawImpl_CreatePalette,
1393     IDirectDrawImpl_CreateSurface,
1394     IDirectDrawImpl_DuplicateSurface,
1395     IDirectDrawImpl_EnumDisplayModes,
1396     IDirectDrawImpl_EnumSurfaces,
1397     IDirectDrawImpl_FlipToGDISurface,
1398     IDirectDrawImpl_GetCaps,
1399     IDirectDrawImpl_GetDisplayMode,
1400     IDirectDrawImpl_GetFourCCCodes,
1401     IDirectDrawImpl_GetGDISurface,
1402     IDirectDrawImpl_GetMonitorFrequency,
1403     IDirectDrawImpl_GetScanLine,
1404     IDirectDrawImpl_GetVerticalBlankStatus,
1405     IDirectDrawImpl_Initialize,
1406     IDirectDrawImpl_RestoreDisplayMode,
1407     IDirectDrawImpl_SetCooperativeLevel,
1408     IDirectDrawImpl_SetDisplayMode,
1409     IDirectDrawImpl_WaitForVerticalBlank,
1410 };
1411
1412 static const IDirectDraw2Vtbl IDirectDraw2_Vtbl =
1413 {
1414     IDirectDraw2Impl_QueryInterface,
1415     IDirectDraw2Impl_AddRef,
1416     IDirectDraw2Impl_Release,
1417     IDirectDraw2Impl_Compact,
1418     IDirectDraw2Impl_CreateClipper,
1419     IDirectDraw2Impl_CreatePalette,
1420     IDirectDraw2Impl_CreateSurface,
1421     IDirectDraw2Impl_DuplicateSurface,
1422     IDirectDraw2Impl_EnumDisplayModes,
1423     IDirectDraw2Impl_EnumSurfaces,
1424     IDirectDraw2Impl_FlipToGDISurface,
1425     IDirectDraw2Impl_GetCaps,
1426     IDirectDraw2Impl_GetDisplayMode,
1427     IDirectDraw2Impl_GetFourCCCodes,
1428     IDirectDraw2Impl_GetGDISurface,
1429     IDirectDraw2Impl_GetMonitorFrequency,
1430     IDirectDraw2Impl_GetScanLine,
1431     IDirectDraw2Impl_GetVerticalBlankStatus,
1432     IDirectDraw2Impl_Initialize,
1433     IDirectDraw2Impl_RestoreDisplayMode,
1434     IDirectDraw2Impl_SetCooperativeLevel,
1435     IDirectDraw2Impl_SetDisplayMode,
1436     IDirectDraw2Impl_WaitForVerticalBlank,
1437     IDirectDraw2Impl_GetAvailableVidMem
1438 };
1439
1440 static const IDirectDraw3Vtbl IDirectDraw3_Vtbl =
1441 {
1442     IDirectDraw3Impl_QueryInterface,
1443     IDirectDraw3Impl_AddRef,
1444     IDirectDraw3Impl_Release,
1445     IDirectDraw3Impl_Compact,
1446     IDirectDraw3Impl_CreateClipper,
1447     IDirectDraw3Impl_CreatePalette,
1448     IDirectDraw3Impl_CreateSurface,
1449     IDirectDraw3Impl_DuplicateSurface,
1450     IDirectDraw3Impl_EnumDisplayModes,
1451     IDirectDraw3Impl_EnumSurfaces,
1452     IDirectDraw3Impl_FlipToGDISurface,
1453     IDirectDraw3Impl_GetCaps,
1454     IDirectDraw3Impl_GetDisplayMode,
1455     IDirectDraw3Impl_GetFourCCCodes,
1456     IDirectDraw3Impl_GetGDISurface,
1457     IDirectDraw3Impl_GetMonitorFrequency,
1458     IDirectDraw3Impl_GetScanLine,
1459     IDirectDraw3Impl_GetVerticalBlankStatus,
1460     IDirectDraw3Impl_Initialize,
1461     IDirectDraw3Impl_RestoreDisplayMode,
1462     IDirectDraw3Impl_SetCooperativeLevel,
1463     IDirectDraw3Impl_SetDisplayMode,
1464     IDirectDraw3Impl_WaitForVerticalBlank,
1465     IDirectDraw3Impl_GetAvailableVidMem,
1466     IDirectDraw3Impl_GetSurfaceFromDC,
1467 };
1468
1469 static const IDirectDraw4Vtbl IDirectDraw4_Vtbl =
1470 {
1471     IDirectDraw4Impl_QueryInterface,
1472     IDirectDraw4Impl_AddRef,
1473     IDirectDraw4Impl_Release,
1474     IDirectDraw4Impl_Compact,
1475     IDirectDraw4Impl_CreateClipper,
1476     IDirectDraw4Impl_CreatePalette,
1477     IDirectDraw4Impl_CreateSurface,
1478     IDirectDraw4Impl_DuplicateSurface,
1479     IDirectDraw4Impl_EnumDisplayModes,
1480     IDirectDraw4Impl_EnumSurfaces,
1481     IDirectDraw4Impl_FlipToGDISurface,
1482     IDirectDraw4Impl_GetCaps,
1483     IDirectDraw4Impl_GetDisplayMode,
1484     IDirectDraw4Impl_GetFourCCCodes,
1485     IDirectDraw4Impl_GetGDISurface,
1486     IDirectDraw4Impl_GetMonitorFrequency,
1487     IDirectDraw4Impl_GetScanLine,
1488     IDirectDraw4Impl_GetVerticalBlankStatus,
1489     IDirectDraw4Impl_Initialize,
1490     IDirectDraw4Impl_RestoreDisplayMode,
1491     IDirectDraw4Impl_SetCooperativeLevel,
1492     IDirectDraw4Impl_SetDisplayMode,
1493     IDirectDraw4Impl_WaitForVerticalBlank,
1494     IDirectDraw4Impl_GetAvailableVidMem,
1495     IDirectDraw4Impl_GetSurfaceFromDC,
1496     IDirectDraw4Impl_RestoreAllSurfaces,
1497     IDirectDraw4Impl_TestCooperativeLevel,
1498     IDirectDraw4Impl_GetDeviceIdentifier
1499 };
1500
1501 /*******************************************************************************
1502  * IDirectDrawFactoryImpl_CreateDirectDraw
1503  *******************************************************************************/
1504 HRESULT WINAPI
1505 IDirectDrawFactoryImpl_CreateDirectDraw(IDirectDrawFactory* iface,
1506                                         GUID * pGUID,
1507                                         HWND hWnd,
1508                                         DWORD dwCoopLevelFlags,
1509                                         DWORD dwReserved,
1510                                         IUnknown *pUnkOuter,
1511                                         IDirectDraw **ppDirectDraw)
1512 {
1513     HRESULT hr;
1514     IDirectDrawImpl *object = NULL;
1515     IDirectDraw *parent = NULL;
1516
1517     TRACE("(%p)->(%s,%p,0x%08x,0x%08x,%p,%p)\n", iface, debugstr_guid(pGUID), hWnd, dwCoopLevelFlags,
1518           dwReserved, pUnkOuter, ppDirectDraw);
1519
1520     if(pUnkOuter)
1521     {
1522         FIXME("Implement aggregation in ddrawex's IDirectDraw interface\n");
1523     }
1524
1525     object = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*object));
1526     if(!object)
1527     {
1528         ERR("Out of memory\n");
1529         hr = E_OUTOFMEMORY;
1530         goto err;
1531     }
1532     object->ref = 1;
1533     object->IDirectDraw_Vtbl  = &IDirectDraw1_Vtbl;
1534     object->IDirectDraw2_Vtbl = &IDirectDraw2_Vtbl;
1535     object->IDirectDraw3_Vtbl = &IDirectDraw3_Vtbl;
1536     object->IDirectDraw4_Vtbl = &IDirectDraw4_Vtbl;
1537
1538     hr = DirectDrawCreate(pGUID, &parent, NULL);
1539     if (FAILED(hr)) goto err;
1540
1541     hr = IDirectDraw_QueryInterface(parent, &IID_IDirectDraw4, (void **) &object->parent);
1542     if(FAILED(hr)) goto err;
1543
1544     hr = IDirectDraw_SetCooperativeLevel(dd1_from_impl(object), hWnd, dwCoopLevelFlags);
1545     if (FAILED(hr)) goto err;
1546
1547     *ppDirectDraw = dd1_from_impl(object);
1548     IDirectDraw_Release(parent);
1549     return DD_OK;
1550
1551 err:
1552     if(object && object->parent) IDirectDraw4_Release(object->parent);
1553     if(parent) IDirectDraw_Release(parent);
1554     HeapFree(GetProcessHeap(), 0, object);
1555     *ppDirectDraw = NULL;
1556     return hr;
1557 }
1558
1559 IDirectDraw4 *dd_get_inner(IDirectDraw4 *outer)
1560 {
1561     IDirectDrawImpl *This = impl_from_dd4(outer);
1562     return This->parent;
1563 }