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
  19 #define COBJMACROS
  20 #define NONAMELESSUNION
  21
  22 #include <stdarg.h>
  23 #include "windef.h"
  24 #include "winbase.h"
  25 #include "wingdi.h"
  26
  27 #include "ddraw.h"
  28 #include "d3d.h"
  29
  30 #include "ddrawex_private.h"
  31 #include "wine/debug.h"
  32
  33 WINE_DEFAULT_DEBUG_CHANNEL(ddrawex);
  34
  35 /******************************************************************************
  36  * Helper functions for COM management
  37  ******************************************************************************/
  38 static IDirectDrawImpl *impl_from_IDirectDraw(IDirectDraw *iface)
  39 {
  40     return CONTAINING_RECORD(iface, IDirectDrawImpl, IDirectDraw_iface);
  41 }
  42
  43 static IDirectDrawImpl *impl_from_IDirectDraw2(IDirectDraw2 *iface)
  44 {
  45     return CONTAINING_RECORD(iface, IDirectDrawImpl, IDirectDraw2_iface);
  46 }
  47
  48 static IDirectDrawImpl *impl_from_IDirectDraw3(IDirectDraw3 *iface)
  49 {
  50     return CONTAINING_RECORD(iface, IDirectDrawImpl, IDirectDraw3_iface);
  51 }
  52
  53 static IDirectDrawImpl *impl_from_IDirectDraw4(IDirectDraw4 *iface)
  54 {
  55     return CONTAINING_RECORD(iface, IDirectDrawImpl, IDirectDraw4_iface);
  56 }
  57
  58 /******************************************************************************
  59  * IDirectDraw4 -> ddraw.dll wrappers
  60  ******************************************************************************/
  61 static HRESULT WINAPI IDirectDraw4Impl_QueryInterface(IDirectDraw4 *iface, REFIID refiid,
  62         void **obj)
  63 {
  64     IDirectDrawImpl *This = impl_from_IDirectDraw4(iface);
  65
  66     TRACE("(%p)->(%s,%p)\n", This, debugstr_guid(refiid), obj);
  67     *obj = NULL;
  68
  69     if(!refiid)
  70     {
  71         return DDERR_INVALIDPARAMS;
  72     }
  73
  74     if (IsEqualGUID( &IID_IDirectDraw7, refiid ) )
  75     {
  76         WARN("IDirectDraw7 not allowed in ddrawex.dll\n");
  77         return E_NOINTERFACE;
  78     }
  79     else if ( IsEqualGUID( &IID_IUnknown, refiid ) ||
  80               IsEqualGUID( &IID_IDirectDraw4, refiid ) )
  81     {
  82         *obj = &This->IDirectDraw4_iface;
  83         TRACE("(%p) Returning IDirectDraw4 interface at %p\n", This, *obj);
  84         IDirectDraw4_AddRef(&This->IDirectDraw4_iface);
  85     }
  86     else if ( IsEqualGUID( &IID_IDirectDraw3, refiid ) )
  87     {
  88         *obj = &This->IDirectDraw3_iface;
  89         TRACE("(%p) Returning IDirectDraw3 interface at %p\n", This, *obj);
  90         IDirectDraw3_AddRef(&This->IDirectDraw3_iface);
  91     }
  92     else if ( IsEqualGUID( &IID_IDirectDraw2, refiid ) )
  93     {
  94         *obj = &This->IDirectDraw2_iface;
  95         TRACE("(%p) Returning IDirectDraw2 interface at %p\n", This, *obj);
  96         IDirectDraw2_AddRef(&This->IDirectDraw2_iface);
  97     }
  98     else if ( IsEqualGUID( &IID_IDirectDraw, refiid ) )
  99     {
 100         *obj = &This->IDirectDraw_iface;
 101         TRACE("(%p) Returning IDirectDraw interface at %p\n", This, *obj);
 102         IDirectDraw_AddRef(&This->IDirectDraw_iface);
 103     }
 104     else if ( IsEqualGUID( &IID_IDirect3D  , refiid ) ||
 105               IsEqualGUID( &IID_IDirect3D2 , refiid ) ||
 106               IsEqualGUID( &IID_IDirect3D3 , refiid ) ||
 107               IsEqualGUID( &IID_IDirect3D7 , refiid ) )
 108     {
 109         WARN("Direct3D not allowed in ddrawex.dll\n");
 110         return E_NOINTERFACE;
 111     }
 112     /* Unknown interface */
 113     else
 114     {
 115         ERR("(%p)->(%s, %p): No interface found\n", This, debugstr_guid(refiid), obj);
 116         return E_NOINTERFACE;
 117     }
 118     TRACE("Returning S_OK\n");
 119     return S_OK;
 120 }
 121
 122 static HRESULT WINAPI IDirectDraw3Impl_QueryInterface(IDirectDraw3 *iface, REFIID refiid,
 123         void **obj)
 124 {
 125     IDirectDrawImpl *This = impl_from_IDirectDraw3(iface);
 126     TRACE("Thunking to IDirectDraw4\n");
 127     return IDirectDraw4_QueryInterface(&This->IDirectDraw4_iface, refiid, obj);
 128 }
 129
 130 static HRESULT WINAPI IDirectDraw2Impl_QueryInterface(IDirectDraw2 *iface, REFIID refiid,
 131         void **obj)
 132 {
 133     IDirectDrawImpl *This = impl_from_IDirectDraw2(iface);
 134     TRACE("Thunking to IDirectDraw4\n");
 135     return IDirectDraw4_QueryInterface(&This->IDirectDraw4_iface, refiid, obj);
 136 }
 137
 138 static HRESULT WINAPI IDirectDrawImpl_QueryInterface(IDirectDraw *iface, REFIID refiid, void **obj)
 139 {
 140     IDirectDrawImpl *This = impl_from_IDirectDraw(iface);
 141     TRACE("Thunking to IDirectDraw4\n");
 142     return IDirectDraw4_QueryInterface(&This->IDirectDraw4_iface, refiid, obj);
 143 }
 144
 145 static ULONG WINAPI IDirectDraw4Impl_AddRef(IDirectDraw4 *iface)
 146 {
 147     IDirectDrawImpl *This = impl_from_IDirectDraw4(iface);
 148     ULONG ref = InterlockedIncrement(&This->ref);
 149
 150     TRACE("(%p) : incrementing refcount from %u.\n", This, ref - 1);
 151
 152     return ref;
 153 }
 154
 155 static ULONG WINAPI IDirectDraw3Impl_AddRef(IDirectDraw3 *iface)
 156 {
 157     IDirectDrawImpl *This = impl_from_IDirectDraw3(iface);
 158     TRACE("Thunking to IDirectDraw4\n");
 159     return IDirectDraw4_AddRef(&This->IDirectDraw4_iface);
 160 }
 161
 162 static ULONG WINAPI IDirectDraw2Impl_AddRef(IDirectDraw2 *iface)
 163 {
 164     IDirectDrawImpl *This = impl_from_IDirectDraw2(iface);
 165     TRACE("Thunking to IDirectDraw4\n");
 166     return IDirectDraw4_AddRef(&This->IDirectDraw4_iface);
 167 }
 168
 169 static ULONG WINAPI IDirectDrawImpl_AddRef(IDirectDraw *iface)
 170 {
 171     IDirectDrawImpl *This = impl_from_IDirectDraw(iface);
 172     TRACE("Thunking to IDirectDraw4\n");
 173     return IDirectDraw4_AddRef(&This->IDirectDraw4_iface);
 174 }
 175
 176 static ULONG WINAPI IDirectDraw4Impl_Release(IDirectDraw4 *iface)
 177 {
 178     IDirectDrawImpl *This = impl_from_IDirectDraw4(iface);
 179     ULONG ref = InterlockedDecrement(&This->ref);
 180
 181     TRACE("(%p) : decrementing refcount to %u.\n", This, ref);
 182
 183     if(ref == 0)
 184     {
 185         TRACE("Destroying object\n");
 186         IDirectDraw4_Release(This->parent);
 187         HeapFree(GetProcessHeap(), 0, This);
 188     }
 189     return ref;
 190 }
 191
 192 static ULONG WINAPI IDirectDraw3Impl_Release(IDirectDraw3 *iface)
 193 {
 194     IDirectDrawImpl *This = impl_from_IDirectDraw3(iface);
 195     TRACE("Thunking to IDirectDraw4\n");
 196     return IDirectDraw4_Release(&This->IDirectDraw4_iface);
 197 }
 198
 199 static ULONG WINAPI IDirectDraw2Impl_Release(IDirectDraw2 *iface)
 200 {
 201     IDirectDrawImpl *This = impl_from_IDirectDraw2(iface);
 202     TRACE("Thunking to IDirectDraw4\n");
 203     return IDirectDraw4_Release(&This->IDirectDraw4_iface);
 204 }
 205
 206 static ULONG WINAPI IDirectDrawImpl_Release(IDirectDraw *iface)
 207 {
 208     IDirectDrawImpl *This = impl_from_IDirectDraw(iface);
 209     TRACE("Thunking to IDirectDraw4\n");
 210     return IDirectDraw4_Release(&This->IDirectDraw4_iface);
 211 }
 212
 213 static HRESULT WINAPI IDirectDraw4Impl_Compact(IDirectDraw4 *iface)
 214 {
 215     IDirectDrawImpl *This = impl_from_IDirectDraw4(iface);
 216     TRACE("(%p)\n", This);
 217
 218     return IDirectDraw4_Compact(This->parent);
 219 }
 220
 221 static HRESULT WINAPI IDirectDraw3Impl_Compact(IDirectDraw3 *iface)
 222 {
 223     IDirectDrawImpl *This = impl_from_IDirectDraw3(iface);
 224     TRACE("Thunking to IDirectDraw4\n");
 225     return IDirectDraw4_Compact(&This->IDirectDraw4_iface);
 226 }
 227
 228 static HRESULT WINAPI IDirectDraw2Impl_Compact(IDirectDraw2 *iface)
 229 {
 230     IDirectDrawImpl *This = impl_from_IDirectDraw2(iface);
 231     TRACE("Thunking to IDirectDraw4\n");
 232     return IDirectDraw4_Compact(&This->IDirectDraw4_iface);
 233 }
 234
 235 static HRESULT WINAPI IDirectDrawImpl_Compact(IDirectDraw *iface)
 236 {
 237     IDirectDrawImpl *This = impl_from_IDirectDraw(iface);
 238     TRACE("Thunking to IDirectDraw4\n");
 239     return IDirectDraw4_Compact(&This->IDirectDraw4_iface);
 240 }
 241
 242 static HRESULT WINAPI IDirectDraw4Impl_CreateClipper(IDirectDraw4 *iface, DWORD Flags,
 243         IDirectDrawClipper **clipper, IUnknown *UnkOuter)
 244 {
 245     IDirectDrawImpl *This = impl_from_IDirectDraw4(iface);
 246     TRACE("(%p)->(0x%08x, %p, %p)\n", This, Flags, clipper, UnkOuter);
 247
 248     if(UnkOuter != NULL)
 249     {
 250         /* This may require a wrapper interface for clippers too which handles this */
 251         FIXME("Test and implement Aggregation for ddrawex clippers\n");
 252     }
 253
 254     return IDirectDraw4_CreateClipper(This->parent, Flags, clipper, UnkOuter);
 255 }
 256
 257 static HRESULT WINAPI IDirectDraw3Impl_CreateClipper(IDirectDraw3 *iface, DWORD Flags,
 258         IDirectDrawClipper **clipper, IUnknown *UnkOuter)
 259 {
 260     IDirectDrawImpl *This = impl_from_IDirectDraw3(iface);
 261     TRACE("Thunking to IDirectDraw4\n");
 262     return IDirectDraw4_CreateClipper(&This->IDirectDraw4_iface, Flags, clipper, UnkOuter);
 263 }
 264
 265 static HRESULT WINAPI IDirectDraw2Impl_CreateClipper(IDirectDraw2 *iface, DWORD Flags,
 266         IDirectDrawClipper **clipper, IUnknown *UnkOuter)
 267 {
 268     IDirectDrawImpl *This = impl_from_IDirectDraw2(iface);
 269     TRACE("Thunking to IDirectDraw4\n");
 270     return IDirectDraw4_CreateClipper(&This->IDirectDraw4_iface, Flags, clipper, UnkOuter);
 271 }
 272
 273 static HRESULT WINAPI IDirectDrawImpl_CreateClipper(IDirectDraw *iface, DWORD Flags,
 274         IDirectDrawClipper **clipper, IUnknown *UnkOuter)
 275 {
 276     IDirectDrawImpl *This = impl_from_IDirectDraw(iface);
 277     TRACE("Thunking to IDirectDraw4\n");
 278     return IDirectDraw4_CreateClipper(&This->IDirectDraw4_iface, Flags, clipper, UnkOuter);
 279 }
 280
 281 static HRESULT WINAPI IDirectDraw4Impl_CreatePalette(IDirectDraw4 *iface, DWORD Flags,
 282         PALETTEENTRY *ColorTable, IDirectDrawPalette **Palette, IUnknown *UnkOuter)
 283 {
 284     IDirectDrawImpl *This = impl_from_IDirectDraw4(iface);
 285     TRACE("(%p)(0x%08x,%p,%p,%p)\n", This, Flags, ColorTable, Palette, UnkOuter);
 286
 287     if(UnkOuter != NULL)
 288     {
 289         /* This may require a wrapper interface for palettes too which handles this */
 290         FIXME("Test and implement Aggregation for ddrawex palettes\n");
 291     }
 292
 293     return IDirectDraw4_CreatePalette(This->parent, Flags, ColorTable, Palette, UnkOuter);
 294 }
 295
 296 static HRESULT WINAPI IDirectDraw3Impl_CreatePalette(IDirectDraw3 *iface, DWORD Flags,
 297         PALETTEENTRY *ColorTable, IDirectDrawPalette **Palette, IUnknown *UnkOuter)
 298 {
 299     IDirectDrawImpl *This = impl_from_IDirectDraw3(iface);
 300     TRACE("Thunking to IDirectDraw4\n");
 301     return IDirectDraw4_CreatePalette(&This->IDirectDraw4_iface, Flags, ColorTable, Palette,
 302             UnkOuter);
 303 }
 304
 305 static HRESULT WINAPI IDirectDraw2Impl_CreatePalette(IDirectDraw2 *iface, DWORD Flags,
 306         PALETTEENTRY *ColorTable, IDirectDrawPalette **Palette, IUnknown *UnkOuter)
 307 {
 308     IDirectDrawImpl *This = impl_from_IDirectDraw2(iface);
 309     TRACE("Thunking to IDirectDraw4\n");
 310     return IDirectDraw4_CreatePalette(&This->IDirectDraw4_iface, Flags, ColorTable, Palette,
 311             UnkOuter);
 312 }
 313
 314 static HRESULT WINAPI IDirectDrawImpl_CreatePalette(IDirectDraw *iface, DWORD Flags,
 315         PALETTEENTRY *ColorTable, IDirectDrawPalette **Palette, IUnknown *UnkOuter)
 316 {
 317     IDirectDrawImpl *This = impl_from_IDirectDraw(iface);
 318     TRACE("Thunking to IDirectDraw4\n");
 319     return IDirectDraw4_CreatePalette(&This->IDirectDraw4_iface, Flags, ColorTable, Palette,
 320             UnkOuter);
 321 }
 322
 323 static HRESULT WINAPI IDirectDraw4Impl_CreateSurface(IDirectDraw4 *iface, DDSURFACEDESC2 *DDSD,
 324         IDirectDrawSurface4 **Surf, IUnknown *UnkOuter)
 325 {
 326     IDirectDrawImpl *This = impl_from_IDirectDraw4(iface);
 327     HRESULT hr;
 328     const DWORD perm_dc_flags = DDSCAPS_VIDEOMEMORY | DDSCAPS_SYSTEMMEMORY;
 329     BOOL permanent_dc;
 330     TRACE("(%p)(%p, %p, %p)\n", This, DDSD, Surf, UnkOuter);
 331
 332     if(UnkOuter != NULL)
 333     {
 334         /* Handle this in this dll. Don't forward the UnkOuter to ddraw.dll */
 335         FIXME("Implement aggregation for ddrawex surfaces\n");
 336     }
 337
 338     /* plain ddraw.dll refuses to create a surface that has both VIDMEM and SYSMEM flags
 339      * set. In ddrawex this succeeds, and the GetDC() call changes the behavior. The DC
 340      * is permanently valid, and the surface can be locked between GetDC() and ReleaseDC()
 341      * calls. GetDC() can be called more than once too
 342      */
 343     if((DDSD->ddsCaps.dwCaps & perm_dc_flags) == perm_dc_flags)
 344     {
 345         permanent_dc = TRUE;
 346         DDSD->ddsCaps.dwCaps &= ~DDSCAPS_VIDEOMEMORY;
 347         DDSD->ddsCaps.dwCaps |= DDSCAPS_OWNDC;
 348     }
 349     else
 350     {
 351         permanent_dc = FALSE;
 352     }
 353
 354     hr = IDirectDraw4_CreateSurface(This->parent, DDSD, Surf, UnkOuter);
 355     *Surf = dds_get_outer(*Surf);
 356     if(permanent_dc) prepare_permanent_dc(*Surf);
 357     return hr;
 358 }
 359
 360 void DDSD_to_DDSD2(const DDSURFACEDESC *in, DDSURFACEDESC2 *out)
 361 {
 362     memset(out, 0, sizeof(*out));
 363     out->dwSize = sizeof(*out);
 364     out->dwFlags = in->dwFlags;
 365     if(in->dwFlags & DDSD_WIDTH) out->dwWidth = in->dwWidth;
 366     if(in->dwFlags & DDSD_HEIGHT) out->dwHeight = in->dwHeight;
 367     if(in->dwFlags & DDSD_PIXELFORMAT) out->u4.ddpfPixelFormat = in->ddpfPixelFormat;
 368     if(in->dwFlags & DDSD_CAPS) out->ddsCaps.dwCaps = in->ddsCaps.dwCaps;
 369     if(in->dwFlags & DDSD_PITCH) out->u1.lPitch = in->u1.lPitch;
 370     if(in->dwFlags & DDSD_BACKBUFFERCOUNT) out->dwBackBufferCount = in->dwBackBufferCount;
 371     if(in->dwFlags & DDSD_ZBUFFERBITDEPTH) out->u2.dwMipMapCount = in->u2.dwZBufferBitDepth; /* same union */
 372     if(in->dwFlags & DDSD_ALPHABITDEPTH) out->dwAlphaBitDepth = in->dwAlphaBitDepth;
 373     /* DDraw(native, and wine) does not set the DDSD_LPSURFACE, so always copy */
 374     out->lpSurface = in->lpSurface;
 375     if(in->dwFlags & DDSD_CKDESTOVERLAY) out->u3.ddckCKDestOverlay = in->ddckCKDestOverlay;
 376     if(in->dwFlags & DDSD_CKDESTBLT) out->ddckCKDestBlt = in->ddckCKDestBlt;
 377     if(in->dwFlags & DDSD_CKSRCOVERLAY) out->ddckCKSrcOverlay = in->ddckCKSrcOverlay;
 378     if(in->dwFlags & DDSD_CKSRCBLT) out->ddckCKSrcBlt = in->ddckCKSrcBlt;
 379     if(in->dwFlags & DDSD_MIPMAPCOUNT) out->u2.dwMipMapCount = in->u2.dwMipMapCount;
 380     if(in->dwFlags & DDSD_REFRESHRATE) out->u2.dwRefreshRate = in->u2.dwRefreshRate;
 381     if(in->dwFlags & DDSD_LINEARSIZE) out->u1.dwLinearSize = in->u1.dwLinearSize;
 382     /* Does not exist in DDSURFACEDESC:
 383      * DDSD_TEXTURESTAGE, DDSD_FVF, DDSD_SRCVBHANDLE,
 384      */
 385 }
 386
 387 void DDSD2_to_DDSD(const DDSURFACEDESC2 *in, DDSURFACEDESC *out)
 388 {
 389     memset(out, 0, sizeof(*out));
 390     out->dwSize = sizeof(*out);
 391     out->dwFlags = in->dwFlags;
 392     if(in->dwFlags & DDSD_WIDTH) out->dwWidth = in->dwWidth;
 393     if(in->dwFlags & DDSD_HEIGHT) out->dwHeight = in->dwHeight;
 394     if(in->dwFlags & DDSD_PIXELFORMAT) out->ddpfPixelFormat = in->u4.ddpfPixelFormat;
 395     if(in->dwFlags & DDSD_CAPS) out->ddsCaps.dwCaps = in->ddsCaps.dwCaps;
 396     if(in->dwFlags & DDSD_PITCH) out->u1.lPitch = in->u1.lPitch;
 397     if(in->dwFlags & DDSD_BACKBUFFERCOUNT) out->dwBackBufferCount = in->dwBackBufferCount;
 398     if(in->dwFlags & DDSD_ZBUFFERBITDEPTH) out->u2.dwZBufferBitDepth = in->u2.dwMipMapCount; /* same union */
 399     if(in->dwFlags & DDSD_ALPHABITDEPTH) out->dwAlphaBitDepth = in->dwAlphaBitDepth;
 400     /* DDraw(native, and wine) does not set the DDSD_LPSURFACE, so always copy */
 401     out->lpSurface = in->lpSurface;
 402     if(in->dwFlags & DDSD_CKDESTOVERLAY) out->ddckCKDestOverlay = in->u3.ddckCKDestOverlay;
 403     if(in->dwFlags & DDSD_CKDESTBLT) out->ddckCKDestBlt = in->ddckCKDestBlt;
 404     if(in->dwFlags & DDSD_CKSRCOVERLAY) out->ddckCKSrcOverlay = in->ddckCKSrcOverlay;
 405     if(in->dwFlags & DDSD_CKSRCBLT) out->ddckCKSrcBlt = in->ddckCKSrcBlt;
 406     if(in->dwFlags & DDSD_MIPMAPCOUNT) out->u2.dwMipMapCount = in->u2.dwMipMapCount;
 407     if(in->dwFlags & DDSD_REFRESHRATE) out->u2.dwRefreshRate = in->u2.dwRefreshRate;
 408     if(in->dwFlags & DDSD_LINEARSIZE) out->u1.dwLinearSize = in->u1.dwLinearSize;
 409     /* Does not exist in DDSURFACEDESC:
 410      * DDSD_TEXTURESTAGE, DDSD_FVF, DDSD_SRCVBHANDLE,
 411      */
 412     if(in->dwFlags & DDSD_TEXTURESTAGE) WARN("Does not exist in DDSURFACEDESC: DDSD_TEXTURESTAGE\n");
 413     if(in->dwFlags & DDSD_FVF) WARN("Does not exist in DDSURFACEDESC: DDSD_FVF\n");
 414     if(in->dwFlags & DDSD_SRCVBHANDLE) WARN("Does not exist in DDSURFACEDESC: DDSD_SRCVBHANDLE\n");
 415     out->dwFlags &= ~(DDSD_TEXTURESTAGE | DDSD_FVF | DDSD_SRCVBHANDLE);
 416 }
 417
 418 static HRESULT WINAPI IDirectDraw3Impl_CreateSurface(IDirectDraw3 *iface, DDSURFACEDESC *DDSD,
 419         IDirectDrawSurface **Surf, IUnknown *UnkOuter)
 420 {
 421     IDirectDrawImpl *This = impl_from_IDirectDraw3(iface);
 422     DDSURFACEDESC2 ddsd2;
 423     IDirectDrawSurface4 *surf4 = NULL;
 424     HRESULT hr;
 425     TRACE("Thunking to IDirectDraw4\n");
 426
 427     DDSD_to_DDSD2(DDSD, &ddsd2);
 428
 429     hr = IDirectDraw4_CreateSurface(&This->IDirectDraw4_iface, &ddsd2, &surf4, UnkOuter);
 430     if(FAILED(hr))
 431     {
 432         *Surf = NULL;
 433         return hr;
 434     }
 435
 436     TRACE("Got surface %p\n", surf4);
 437     IDirectDrawSurface4_QueryInterface(surf4, &IID_IDirectDrawSurface, (void **) Surf);
 438     IDirectDrawSurface4_Release(surf4);
 439     return hr;
 440 }
 441
 442 static HRESULT WINAPI IDirectDraw2Impl_CreateSurface(IDirectDraw2 *iface, DDSURFACEDESC *DDSD,
 443         IDirectDrawSurface **Surf, IUnknown *UnkOuter)
 444 {
 445     IDirectDrawImpl *This = impl_from_IDirectDraw2(iface);
 446     TRACE("Thunking to IDirectDraw3\n");
 447     return IDirectDraw3_CreateSurface(&This->IDirectDraw3_iface, DDSD, Surf, UnkOuter);
 448 }
 449
 450 static HRESULT WINAPI IDirectDrawImpl_CreateSurface(IDirectDraw *iface, DDSURFACEDESC *DDSD,
 451         IDirectDrawSurface **Surf, IUnknown *UnkOuter)
 452 {
 453     IDirectDrawImpl *This = impl_from_IDirectDraw(iface);
 454     TRACE("Thunking to IDirectDraw3\n");
 455     return IDirectDraw3_CreateSurface(&This->IDirectDraw3_iface, DDSD, Surf, UnkOuter);
 456 }
 457
 458 static HRESULT WINAPI IDirectDraw4Impl_DuplicateSurface(IDirectDraw4 *iface,
 459         IDirectDrawSurface4 *src, IDirectDrawSurface4 **dst)
 460 {
 461     IDirectDrawImpl *This = impl_from_IDirectDraw4(iface);
 462     IDirectDrawSurfaceImpl *surf = unsafe_impl_from_IDirectDrawSurface4(src);
 463
 464     FIXME("(%p)->(%p,%p). Create a wrapper surface\n", This, src, dst);
 465
 466     return IDirectDraw4_DuplicateSurface(This->parent, surf ? surf->parent : NULL, dst);
 467 }
 468
 469 static HRESULT WINAPI IDirectDraw3Impl_DuplicateSurface(IDirectDraw3 *iface,
 470         IDirectDrawSurface *src, IDirectDrawSurface **dst)
 471 {
 472     IDirectDrawImpl *This = impl_from_IDirectDraw3(iface);
 473     IDirectDrawSurface4 *src_4;
 474     IDirectDrawSurface4 *dst_4;
 475     HRESULT hr;
 476
 477     TRACE("Thunking to IDirectDraw4\n");
 478     IDirectDrawSurface_QueryInterface(src, &IID_IDirectDrawSurface4, (void **) &src_4);
 479     hr = IDirectDraw4_DuplicateSurface(&This->IDirectDraw4_iface, src_4, &dst_4);
 480     IDirectDrawSurface4_Release(src_4);
 481
 482     if(FAILED(hr))
 483     {
 484         *dst = NULL;
 485         return hr;
 486     }
 487     IDirectDrawSurface4_QueryInterface(dst_4, &IID_IDirectDrawSurface, (void **) dst);
 488     IDirectDrawSurface4_Release(dst_4);
 489     return hr;
 490 }
 491
 492 static HRESULT WINAPI IDirectDraw2Impl_DuplicateSurface(IDirectDraw2 *iface,
 493         IDirectDrawSurface *src, IDirectDrawSurface **dst)
 494 {
 495     IDirectDrawImpl *This = impl_from_IDirectDraw2(iface);
 496     TRACE("Thunking to IDirectDraw3\n");
 497     return IDirectDraw3_DuplicateSurface(&This->IDirectDraw3_iface, src, dst);
 498 }
 499
 500 static HRESULT WINAPI IDirectDrawImpl_DuplicateSurface(IDirectDraw *iface, IDirectDrawSurface *src,
 501         IDirectDrawSurface **dst)
 502 {
 503     IDirectDrawImpl *This = impl_from_IDirectDraw(iface);
 504     TRACE("Thunking to IDirectDraw3\n");
 505     return IDirectDraw3_DuplicateSurface(&This->IDirectDraw3_iface, src, dst);
 506 }
 507
 508 static HRESULT WINAPI IDirectDraw4Impl_EnumDisplayModes(IDirectDraw4 *iface, DWORD Flags,
 509         DDSURFACEDESC2 *DDSD, void *Context, LPDDENUMMODESCALLBACK2 cb)
 510 {
 511     IDirectDrawImpl *This = impl_from_IDirectDraw4(iface);
 512     TRACE("(%p)->(0x%08x,%p,%p,%p)\n", This, Flags, DDSD, Context, cb);
 513
 514     return IDirectDraw4_EnumDisplayModes(This->parent, Flags, DDSD, Context, cb);
 515 }
 516
 517 struct enummodes_ctx
 518 {
 519     LPDDENUMMODESCALLBACK orig_cb;
 520     void *orig_ctx;
 521 };
 522
 523 static HRESULT WINAPI
 524 enum_modes_cb2(DDSURFACEDESC2 *ddsd2, void *vctx)
 525 {
 526     struct enummodes_ctx *ctx = vctx;
 527     DDSURFACEDESC ddsd;
 528
 529     DDSD2_to_DDSD(ddsd2, &ddsd);
 530     return ctx->orig_cb(&ddsd, ctx->orig_ctx);
 531 }
 532
 533 static HRESULT WINAPI IDirectDraw3Impl_EnumDisplayModes(IDirectDraw3 *iface, DWORD Flags,
 534         DDSURFACEDESC *DDSD, void *Context, LPDDENUMMODESCALLBACK cb)
 535 {
 536     IDirectDrawImpl *This = impl_from_IDirectDraw3(iface);
 537     DDSURFACEDESC2 ddsd2;
 538     struct enummodes_ctx ctx;
 539     TRACE("(%p)->(0x%08x,%p,%p,%p): Thunking to IDirectDraw4\n", This, Flags, DDSD, Context, cb);
 540
 541     DDSD_to_DDSD2(DDSD, &ddsd2);
 542     ctx.orig_cb = cb;
 543     ctx.orig_ctx = Context;
 544     return IDirectDraw4_EnumDisplayModes(&This->IDirectDraw4_iface, Flags, &ddsd2, &ctx,
 545             enum_modes_cb2);
 546 }
 547
 548 static HRESULT WINAPI IDirectDraw2Impl_EnumDisplayModes(IDirectDraw2 *iface, DWORD Flags,
 549         DDSURFACEDESC *DDSD, void *Context, LPDDENUMMODESCALLBACK cb)
 550 {
 551     IDirectDrawImpl *This = impl_from_IDirectDraw2(iface);
 552     TRACE("(%p)->(0x%08x,%p,%p,%p): Thunking to IDirectDraw3\n", This, Flags, DDSD, Context, cb);
 553     return IDirectDraw3_EnumDisplayModes(&This->IDirectDraw3_iface, Flags, DDSD, Context, cb);
 554 }
 555
 556 static HRESULT WINAPI IDirectDrawImpl_EnumDisplayModes(IDirectDraw *iface, DWORD Flags,
 557         DDSURFACEDESC *DDSD, void *Context, LPDDENUMMODESCALLBACK cb)
 558 {
 559     IDirectDrawImpl *This = impl_from_IDirectDraw(iface);
 560     TRACE("(%p)->(0x%08x,%p,%p,%p): Thunking to IDirectDraw3\n", This, Flags, DDSD, Context, cb);
 561     return IDirectDraw3_EnumDisplayModes(&This->IDirectDraw3_iface, Flags, DDSD, Context, cb);
 562 }
 563
 564 struct enumsurfaces4_ctx
 565 {
 566     LPDDENUMSURFACESCALLBACK2 orig_cb;
 567     void *orig_ctx;
 568 };
 569
 570 static HRESULT WINAPI
 571 enum_surfaces_wrapper(IDirectDrawSurface4 *surf4, DDSURFACEDESC2 *ddsd2, void *vctx)
 572 {
 573     struct enumsurfaces4_ctx *ctx = vctx;
 574     IDirectDrawSurface4 *outer = dds_get_outer(surf4);
 575     IDirectDrawSurface4_AddRef(outer);
 576     IDirectDrawSurface4_Release(surf4);
 577     TRACE("Returning wrapper surface %p for enumerated inner surface %p\n", outer, surf4);
 578     return ctx->orig_cb(outer, ddsd2, ctx->orig_ctx);
 579 }
 580
 581 static HRESULT WINAPI IDirectDraw4Impl_EnumSurfaces(IDirectDraw4 *iface, DWORD Flags,
 582         DDSURFACEDESC2 *DDSD, void *Context, LPDDENUMSURFACESCALLBACK2 Callback)
 583 {
 584     IDirectDrawImpl *This = impl_from_IDirectDraw4(iface);
 585     struct enumsurfaces4_ctx ctx;
 586     TRACE("(%p)->(0x%08x,%p,%p,%p)\n", This, Flags, DDSD, Context, Callback);
 587
 588     ctx.orig_cb = Callback;
 589     ctx.orig_ctx = Context;
 590     return IDirectDraw4Impl_EnumSurfaces(This->parent, Flags, DDSD, &ctx, enum_surfaces_wrapper);
 591 }
 592
 593 struct enumsurfaces_ctx
 594 {
 595     LPDDENUMSURFACESCALLBACK orig_cb;
 596     void *orig_ctx;
 597 };
 598
 599 static HRESULT WINAPI
 600 enum_surfaces_cb2(IDirectDrawSurface4 *surf4, DDSURFACEDESC2 *ddsd2, void *vctx)
 601 {
 602     struct enumsurfaces_ctx *ctx = vctx;
 603     IDirectDrawSurface *surf1;
 604     DDSURFACEDESC ddsd;
 605
 606     /* Keep the reference, it goes to the application */
 607     IDirectDrawSurface4_QueryInterface(surf4, &IID_IDirectDrawSurface, (void **) &surf1);
 608     /* Release the reference this function got */
 609     IDirectDrawSurface4_Release(surf4);
 610
 611     DDSD2_to_DDSD(ddsd2, &ddsd);
 612     return ctx->orig_cb(surf1, &ddsd, ctx->orig_ctx);
 613 }
 614
 615 static HRESULT WINAPI IDirectDraw3Impl_EnumSurfaces(IDirectDraw3 *iface, DWORD Flags,
 616         DDSURFACEDESC *DDSD, void *Context, LPDDENUMSURFACESCALLBACK Callback)
 617 {
 618     IDirectDrawImpl *This = impl_from_IDirectDraw3(iface);
 619     DDSURFACEDESC2 ddsd2;
 620     struct enumsurfaces_ctx ctx;
 621     TRACE("(%p)->(0x%08x,%p,%p,%p): Thunking to IDirectDraw4\n", This, Flags, DDSD, Context, Callback);
 622
 623     DDSD_to_DDSD2(DDSD, &ddsd2);
 624     ctx.orig_cb = Callback;
 625     ctx.orig_ctx = Context;
 626     return IDirectDraw4_EnumSurfaces(&This->IDirectDraw4_iface, Flags, &ddsd2, &ctx,
 627             enum_surfaces_cb2);
 628 }
 629
 630 static HRESULT WINAPI IDirectDraw2Impl_EnumSurfaces(IDirectDraw2 *iface, DWORD Flags,
 631         DDSURFACEDESC *DDSD, void *Context, LPDDENUMSURFACESCALLBACK Callback)
 632 {
 633     IDirectDrawImpl *This = impl_from_IDirectDraw2(iface);
 634     TRACE("(%p)->(0x%08x,%p,%p,%p): Thunking to IDirectDraw3\n", This, Flags, DDSD, Context, Callback);
 635     return IDirectDraw3_EnumSurfaces(&This->IDirectDraw3_iface, Flags, DDSD, Context, Callback);
 636 }
 637
 638 static HRESULT WINAPI IDirectDrawImpl_EnumSurfaces(IDirectDraw *iface, DWORD Flags,
 639         DDSURFACEDESC *DDSD, void *Context, LPDDENUMSURFACESCALLBACK Callback)
 640 {
 641     IDirectDrawImpl *This = impl_from_IDirectDraw(iface);
 642     TRACE("(%p)->(0x%08x,%p,%p,%p): Thunking to IDirectDraw3\n", This, Flags, DDSD, Context, Callback);
 643     return IDirectDraw3_EnumSurfaces(&This->IDirectDraw3_iface, Flags, DDSD, Context, Callback);
 644 }
 645
 646 static HRESULT WINAPI IDirectDraw4Impl_FlipToGDISurface(IDirectDraw4 *iface)
 647 {
 648     IDirectDrawImpl *This = impl_from_IDirectDraw4(iface);
 649     TRACE("(%p)\n", This);
 650
 651     return IDirectDraw4_FlipToGDISurface(This->parent);
 652 }
 653
 654 static HRESULT WINAPI IDirectDraw3Impl_FlipToGDISurface(IDirectDraw3 *iface)
 655 {
 656     IDirectDrawImpl *This = impl_from_IDirectDraw3(iface);
 657     TRACE("(%p). Thunking to IDirectDraw4\n", This);
 658     return IDirectDraw4_FlipToGDISurface(&This->IDirectDraw4_iface);
 659 }
 660
 661 static HRESULT WINAPI IDirectDraw2Impl_FlipToGDISurface(IDirectDraw2 *iface)
 662 {
 663     IDirectDrawImpl *This = impl_from_IDirectDraw2(iface);
 664     TRACE("(%p). Thunking to IDirectDraw4\n", This);
 665     return IDirectDraw4_FlipToGDISurface(&This->IDirectDraw4_iface);
 666 }
 667
 668 static HRESULT WINAPI IDirectDrawImpl_FlipToGDISurface(IDirectDraw *iface)
 669 {
 670     IDirectDrawImpl *This = impl_from_IDirectDraw(iface);
 671     TRACE("(%p). Thunking to IDirectDraw4\n", This);
 672     return IDirectDraw4_FlipToGDISurface(&This->IDirectDraw4_iface);
 673 }
 674
 675 static HRESULT WINAPI IDirectDraw4Impl_GetCaps(IDirectDraw4 *iface, DDCAPS *DriverCaps,
 676         DDCAPS *HELCaps)
 677 {
 678     IDirectDrawImpl *This = impl_from_IDirectDraw4(iface);
 679     TRACE("(%p)->(%p,%p)\n", This, DriverCaps, HELCaps);
 680     return IDirectDraw4_GetCaps(This->parent, DriverCaps, HELCaps);
 681 }
 682
 683 static HRESULT WINAPI IDirectDraw3Impl_GetCaps(IDirectDraw3 *iface, DDCAPS *DriverCaps,
 684         DDCAPS *HELCaps)
 685 {
 686     IDirectDrawImpl *This = impl_from_IDirectDraw3(iface);
 687     TRACE("(%p)->(%p,%p). Thunking to IDirectDraw4\n", This, DriverCaps, HELCaps);
 688     return IDirectDraw4_GetCaps(&This->IDirectDraw4_iface, DriverCaps, HELCaps);
 689 }
 690
 691 static HRESULT WINAPI IDirectDraw2Impl_GetCaps(IDirectDraw2 *iface, DDCAPS *DriverCaps,
 692         DDCAPS *HELCaps)
 693 {
 694     IDirectDrawImpl *This = impl_from_IDirectDraw2(iface);
 695     TRACE("(%p)->(%p,%p). Thunking to IDirectDraw4\n", This, DriverCaps, HELCaps);
 696     return IDirectDraw4_GetCaps(&This->IDirectDraw4_iface, DriverCaps, HELCaps);
 697 }
 698
 699 static HRESULT WINAPI IDirectDrawImpl_GetCaps(IDirectDraw *iface, DDCAPS *DriverCaps,
 700         DDCAPS *HELCaps)
 701 {
 702     IDirectDrawImpl *This = impl_from_IDirectDraw(iface);
 703     TRACE("(%p)->(%p,%p). Thunking to IDirectDraw4\n", This, DriverCaps, HELCaps);
 704     return IDirectDraw4_GetCaps(&This->IDirectDraw4_iface, DriverCaps, HELCaps);
 705 }
 706
 707 static HRESULT WINAPI IDirectDraw4Impl_GetDisplayMode(IDirectDraw4 *iface, DDSURFACEDESC2 *DDSD)
 708 {
 709     IDirectDrawImpl *This = impl_from_IDirectDraw4(iface);
 710     TRACE("(%p)->(%p)\n", This, DDSD);
 711     return IDirectDraw4_GetDisplayMode(This->parent, DDSD);
 712 }
 713
 714 static HRESULT WINAPI IDirectDraw3Impl_GetDisplayMode(IDirectDraw3 *iface, DDSURFACEDESC *DDSD)
 715 {
 716     IDirectDrawImpl *This = impl_from_IDirectDraw3(iface);
 717     DDSURFACEDESC2 ddsd2;
 718     HRESULT hr;
 719
 720     TRACE("(%p)->(%p): Thunking to IDirectDraw4\n", This, DDSD);
 721     hr = IDirectDraw4_GetDisplayMode(&This->IDirectDraw4_iface, &ddsd2);
 722     DDSD2_to_DDSD(&ddsd2, DDSD);
 723     return hr;
 724 }
 725
 726 static HRESULT WINAPI IDirectDraw2Impl_GetDisplayMode(IDirectDraw2 *iface, DDSURFACEDESC *DDSD)
 727 {
 728     IDirectDrawImpl *This = impl_from_IDirectDraw2(iface);
 729     TRACE("(%p)->(%p): Thunking to IDirectDraw3\n", This, DDSD);
 730     return IDirectDraw3_GetDisplayMode(&This->IDirectDraw3_iface, DDSD);
 731 }
 732
 733 static HRESULT WINAPI IDirectDrawImpl_GetDisplayMode(IDirectDraw *iface, DDSURFACEDESC *DDSD)
 734 {
 735     IDirectDrawImpl *This = impl_from_IDirectDraw(iface);
 736     TRACE("(%p)->(%p): Thunking to IDirectDraw3\n", This, DDSD);
 737     return IDirectDraw3_GetDisplayMode(&This->IDirectDraw3_iface, DDSD);
 738 }
 739
 740 static HRESULT WINAPI IDirectDraw4Impl_GetFourCCCodes(IDirectDraw4 *iface, DWORD *NumCodes,
 741         DWORD *Codes)
 742 {
 743     IDirectDrawImpl *This = impl_from_IDirectDraw4(iface);
 744     TRACE("(%p)->(%p, %p):\n", This, NumCodes, Codes);
 745     return IDirectDraw4_GetFourCCCodes(This->parent, NumCodes, Codes);
 746 }
 747
 748 static HRESULT WINAPI IDirectDraw3Impl_GetFourCCCodes(IDirectDraw3 *iface, DWORD *NumCodes,
 749         DWORD *Codes)
 750 {
 751     IDirectDrawImpl *This = impl_from_IDirectDraw3(iface);
 752     TRACE("(%p)->(%p, %p): Thunking to IDirectDraw4\n", This, NumCodes, Codes);
 753     return IDirectDraw4_GetFourCCCodes(&This->IDirectDraw4_iface, NumCodes, Codes);
 754 }
 755
 756 static HRESULT WINAPI IDirectDraw2Impl_GetFourCCCodes(IDirectDraw2 *iface, DWORD *NumCodes,
 757         DWORD *Codes)
 758 {
 759     IDirectDrawImpl *This = impl_from_IDirectDraw2(iface);
 760     TRACE("(%p)->(%p, %p): Thunking to IDirectDraw4\n", This, NumCodes, Codes);
 761     return IDirectDraw4_GetFourCCCodes(&This->IDirectDraw4_iface, NumCodes, Codes);
 762 }
 763
 764 static HRESULT WINAPI IDirectDrawImpl_GetFourCCCodes(IDirectDraw *iface, DWORD *NumCodes,
 765         DWORD *Codes)
 766 {
 767     IDirectDrawImpl *This = impl_from_IDirectDraw(iface);
 768     TRACE("(%p)->(%p, %p): Thunking to IDirectDraw4\n", This, NumCodes, Codes);
 769     return IDirectDraw4_GetFourCCCodes(&This->IDirectDraw4_iface, NumCodes, Codes);
 770 }
 771
 772 static HRESULT WINAPI IDirectDraw4Impl_GetGDISurface(IDirectDraw4 *iface,
 773         IDirectDrawSurface4 **GDISurface)
 774 {
 775     IDirectDrawImpl *This = impl_from_IDirectDraw4(iface);
 776     IDirectDrawSurface4 *inner = NULL;
 777     HRESULT hr;
 778     TRACE("(%p)->(%p)\n", This, GDISurface);
 779
 780     hr = IDirectDraw4_GetGDISurface(This->parent, &inner);
 781     if(SUCCEEDED(hr))
 782     {
 783         *GDISurface = dds_get_outer(inner);
 784         IDirectDrawSurface4_AddRef(*GDISurface);
 785         IDirectDrawSurface4_Release(inner);
 786     }
 787     else
 788     {
 789         *GDISurface = NULL;
 790     }
 791     return hr;
 792 }
 793
 794 static HRESULT WINAPI IDirectDraw3Impl_GetGDISurface(IDirectDraw3 *iface,
 795         IDirectDrawSurface **GDISurface)
 796 {
 797     IDirectDrawImpl *This = impl_from_IDirectDraw3(iface);
 798     IDirectDrawSurface4 *surf4;
 799     HRESULT hr;
 800     TRACE("(%p)->(%p): Thunking to IDirectDraw4\n", This, GDISurface);
 801
 802     hr = IDirectDraw4_GetGDISurface(&This->IDirectDraw4_iface, &surf4);
 803     if(FAILED(hr)) {
 804         *GDISurface = NULL;
 805         return hr;
 806     }
 807
 808     /* Release the reference we got from the DDraw4 call, and pass a reference to the caller */
 809     IDirectDrawSurface4_QueryInterface(surf4, &IID_IDirectDrawSurface, (void **) GDISurface);
 810     IDirectDrawSurface4_Release(surf4);
 811     return hr;
 812 }
 813
 814 static HRESULT WINAPI IDirectDraw2Impl_GetGDISurface(IDirectDraw2 *iface,
 815         IDirectDrawSurface **GDISurface)
 816 {
 817     IDirectDrawImpl *This = impl_from_IDirectDraw2(iface);
 818     TRACE("(%p)->(%p): Thunking to IDirectDraw3\n", This, GDISurface);
 819     return IDirectDraw3_GetGDISurface(&This->IDirectDraw3_iface, GDISurface);
 820 }
 821
 822 static HRESULT WINAPI IDirectDrawImpl_GetGDISurface(IDirectDraw *iface,
 823         IDirectDrawSurface **GDISurface)
 824 {
 825     IDirectDrawImpl *This = impl_from_IDirectDraw(iface);
 826     TRACE("(%p)->(%p): Thunking to IDirectDraw3\n", This, GDISurface);
 827     return IDirectDraw3_GetGDISurface(&This->IDirectDraw3_iface, GDISurface);
 828 }
 829
 830 static HRESULT WINAPI IDirectDraw4Impl_GetMonitorFrequency(IDirectDraw4 *iface, DWORD *Freq)
 831 {
 832     IDirectDrawImpl *This = impl_from_IDirectDraw4(iface);
 833     TRACE("(%p)->(%p)\n", This, Freq);
 834     return IDirectDraw4_GetMonitorFrequency(This->parent, Freq);
 835 }
 836
 837 static HRESULT WINAPI IDirectDraw3Impl_GetMonitorFrequency(IDirectDraw3 *iface, DWORD *Freq)
 838 {
 839     IDirectDrawImpl *This = impl_from_IDirectDraw3(iface);
 840     TRACE("(%p)->(%p): Thunking to IDirectDraw4\n", This, Freq);
 841     return IDirectDraw4_GetMonitorFrequency(&This->IDirectDraw4_iface, Freq);
 842 }
 843
 844 static HRESULT WINAPI IDirectDraw2Impl_GetMonitorFrequency(IDirectDraw2 *iface, DWORD *Freq)
 845 {
 846     IDirectDrawImpl *This = impl_from_IDirectDraw2(iface);
 847     TRACE("(%p)->(%p): Thunking to IDirectDraw4\n", This, Freq);
 848     return IDirectDraw4_GetMonitorFrequency(&This->IDirectDraw4_iface, Freq);
 849 }
 850
 851 static HRESULT WINAPI IDirectDrawImpl_GetMonitorFrequency(IDirectDraw *iface, DWORD *Freq)
 852 {
 853     IDirectDrawImpl *This = impl_from_IDirectDraw(iface);
 854     TRACE("(%p)->(%p): Thunking to IDirectDraw4\n", This, Freq);
 855     return IDirectDraw4_GetMonitorFrequency(&This->IDirectDraw4_iface, Freq);
 856 }
 857
 858 static HRESULT WINAPI IDirectDraw4Impl_GetScanLine(IDirectDraw4 *iface, DWORD *Scanline)
 859 {
 860     IDirectDrawImpl *This = impl_from_IDirectDraw4(iface);
 861     TRACE("(%p)->(%p)\n", This, Scanline);
 862     return IDirectDraw4_GetScanLine(This->parent, Scanline);
 863 }
 864
 865 static HRESULT WINAPI IDirectDraw3Impl_GetScanLine(IDirectDraw3 *iface, DWORD *Scanline)
 866 {
 867     IDirectDrawImpl *This = impl_from_IDirectDraw3(iface);
 868     TRACE("(%p)->(%p): Thunking to IDirectDraw4\n", This, Scanline);
 869     return IDirectDraw4_GetScanLine(&This->IDirectDraw4_iface, Scanline);
 870 }
 871
 872 static HRESULT WINAPI IDirectDraw2Impl_GetScanLine(IDirectDraw2 *iface, DWORD *Scanline)
 873 {
 874     IDirectDrawImpl *This = impl_from_IDirectDraw2(iface);
 875     TRACE("(%p)->(%p): Thunking to IDirectDraw4\n", This, Scanline);
 876     return IDirectDraw4_GetScanLine(&This->IDirectDraw4_iface, Scanline);
 877 }
 878
 879 static HRESULT WINAPI IDirectDrawImpl_GetScanLine(IDirectDraw *iface, DWORD *Scanline)
 880 {
 881     IDirectDrawImpl *This = impl_from_IDirectDraw(iface);
 882     TRACE("(%p)->(%p): Thunking to IDirectDraw4\n", This, Scanline);
 883     return IDirectDraw4_GetScanLine(&This->IDirectDraw4_iface, Scanline);
 884 }
 885
 886 static HRESULT WINAPI IDirectDraw4Impl_GetVerticalBlankStatus(IDirectDraw4 *iface, BOOL *status)
 887 {
 888     IDirectDrawImpl *This = impl_from_IDirectDraw4(iface);
 889     TRACE("(%p)->(%p)\n", This, status);
 890     return IDirectDraw4_GetVerticalBlankStatus(This->parent, status);
 891 }
 892
 893 static HRESULT WINAPI IDirectDraw3Impl_GetVerticalBlankStatus(IDirectDraw3 *iface, BOOL *status)
 894 {
 895     IDirectDrawImpl *This = impl_from_IDirectDraw3(iface);
 896     TRACE("(%p)->(%p): Thunking to IDirectDraw4\n", This, status);
 897     return IDirectDraw4_GetVerticalBlankStatus(&This->IDirectDraw4_iface, status);
 898 }
 899
 900 static HRESULT WINAPI IDirectDraw2Impl_GetVerticalBlankStatus(IDirectDraw2 *iface, BOOL *status)
 901 {
 902     IDirectDrawImpl *This = impl_from_IDirectDraw2(iface);
 903     TRACE("(%p)->(%p): Thunking to IDirectDraw4\n", This, status);
 904     return IDirectDraw4_GetVerticalBlankStatus(&This->IDirectDraw4_iface, status);
 905 }
 906
 907 static HRESULT WINAPI IDirectDrawImpl_GetVerticalBlankStatus(IDirectDraw *iface, BOOL *status)
 908 {
 909     IDirectDrawImpl *This = impl_from_IDirectDraw(iface);
 910     TRACE("(%p)->(%p): Thunking to IDirectDraw4\n", This, status);
 911     return IDirectDraw4_GetVerticalBlankStatus(&This->IDirectDraw4_iface, status);
 912 }
 913
 914 static HRESULT WINAPI IDirectDraw4Impl_Initialize(IDirectDraw4 *iface, GUID *Guid)
 915 {
 916     IDirectDrawImpl *This = impl_from_IDirectDraw4(iface);
 917     TRACE("(%p)->(%s)\n", This, debugstr_guid(Guid));
 918     return IDirectDraw4_Initialize(This->parent, Guid);
 919 }
 920
 921 static HRESULT WINAPI IDirectDraw3Impl_Initialize(IDirectDraw3 *iface, GUID *Guid)
 922 {
 923     IDirectDrawImpl *This = impl_from_IDirectDraw3(iface);
 924     TRACE("(%p)->(%s): Thunking to IDirectDraw4\n", This, debugstr_guid(Guid));
 925     return IDirectDraw4_Initialize(&This->IDirectDraw4_iface, Guid);
 926 }
 927
 928 static HRESULT WINAPI IDirectDraw2Impl_Initialize(IDirectDraw2 *iface, GUID *Guid)
 929 {
 930     IDirectDrawImpl *This = impl_from_IDirectDraw2(iface);
 931     TRACE("(%p)->(%s): Thunking to IDirectDraw4\n", This, debugstr_guid(Guid));
 932     return IDirectDraw4_Initialize(&This->IDirectDraw4_iface, Guid);
 933 }
 934
 935 static HRESULT WINAPI IDirectDrawImpl_Initialize(IDirectDraw *iface, GUID *Guid)
 936 {
 937     IDirectDrawImpl *This = impl_from_IDirectDraw(iface);
 938     TRACE("(%p)->(%s): Thunking to IDirectDraw4\n", This, debugstr_guid(Guid));
 939     return IDirectDraw4_Initialize(&This->IDirectDraw4_iface, Guid);
 940 }
 941
 942 static HRESULT WINAPI IDirectDraw4Impl_RestoreDisplayMode(IDirectDraw4 *iface)
 943 {
 944     IDirectDrawImpl *This = impl_from_IDirectDraw4(iface);
 945     TRACE("(%p)\n", This);
 946     return IDirectDraw4_RestoreDisplayMode(This->parent);
 947 }
 948
 949 static HRESULT WINAPI IDirectDraw3Impl_RestoreDisplayMode(IDirectDraw3 *iface)
 950 {
 951     IDirectDrawImpl *This = impl_from_IDirectDraw3(iface);
 952     TRACE("(%p): Thunking to IDirectDraw4\n", This);
 953     return IDirectDraw4_RestoreDisplayMode(&This->IDirectDraw4_iface);
 954 }
 955
 956 static HRESULT WINAPI IDirectDraw2Impl_RestoreDisplayMode(IDirectDraw2 *iface)
 957 {
 958     IDirectDrawImpl *This = impl_from_IDirectDraw2(iface);
 959     TRACE("(%p): Thunking to IDirectDraw4\n", This);
 960     return IDirectDraw4_RestoreDisplayMode(&This->IDirectDraw4_iface);
 961 }
 962
 963 static HRESULT WINAPI IDirectDrawImpl_RestoreDisplayMode(IDirectDraw *iface)
 964 {
 965     IDirectDrawImpl *This = impl_from_IDirectDraw(iface);
 966     TRACE("(%p): Thunking to IDirectDraw4\n", This);
 967     return IDirectDraw4_RestoreDisplayMode(&This->IDirectDraw4_iface);
 968 }
 969
 970 static HRESULT WINAPI IDirectDraw4Impl_SetCooperativeLevel(IDirectDraw4 *iface, HWND hwnd,
 971         DWORD cooplevel)
 972 {
 973     IDirectDrawImpl *This = impl_from_IDirectDraw4(iface);
 974     TRACE("(%p)->(%p, 0x%08x)\n", This, hwnd, cooplevel);
 975     return IDirectDraw4_SetCooperativeLevel(This->parent, hwnd, cooplevel);
 976 }
 977
 978 static HRESULT WINAPI IDirectDraw3Impl_SetCooperativeLevel(IDirectDraw3 *iface, HWND hwnd,
 979         DWORD cooplevel)
 980 {
 981     IDirectDrawImpl *This = impl_from_IDirectDraw3(iface);
 982     TRACE("(%p)->(%p, 0x%08x): Thunking to IDirectDraw4\n", This, hwnd, cooplevel);
 983     return IDirectDraw4_SetCooperativeLevel(&This->IDirectDraw4_iface, hwnd, cooplevel);
 984 }
 985
 986 static HRESULT WINAPI IDirectDraw2Impl_SetCooperativeLevel(IDirectDraw2 *iface, HWND hwnd,
 987         DWORD cooplevel)
 988 {
 989     IDirectDrawImpl *This = impl_from_IDirectDraw2(iface);
 990     TRACE("(%p)->(%p, 0x%08x): Thunking to IDirectDraw4\n", This, hwnd, cooplevel);
 991     return IDirectDraw4_SetCooperativeLevel(&This->IDirectDraw4_iface, hwnd, cooplevel);
 992 }
 993
 994 static HRESULT WINAPI IDirectDrawImpl_SetCooperativeLevel(IDirectDraw *iface, HWND hwnd,
 995         DWORD cooplevel)
 996 {
 997     IDirectDrawImpl *This = impl_from_IDirectDraw(iface);
 998     TRACE("(%p)->(%p, 0x%08x): Thunking to IDirectDraw4\n", This, hwnd, cooplevel);
 999     return IDirectDraw4_SetCooperativeLevel(&This->IDirectDraw4_iface, hwnd, cooplevel);
1000 }
1001
1002 static HRESULT WINAPI IDirectDraw4Impl_SetDisplayMode(IDirectDraw4 *iface, DWORD Width,
1003         DWORD Height, DWORD BPP, DWORD RefreshRate, DWORD Flags)
1004 {
1005     IDirectDrawImpl *This = impl_from_IDirectDraw4(iface);
1006     TRACE("(%p)->(%u, %u, %u, %u, 0x%08x)\n", This, Width, Height, BPP, RefreshRate, Flags);
1007     return IDirectDraw4_SetDisplayMode(This->parent, Width, Height, BPP, RefreshRate, Flags);
1008 }
1009
1010 static HRESULT WINAPI IDirectDraw3Impl_SetDisplayMode(IDirectDraw3 *iface, DWORD Width,
1011         DWORD Height, DWORD BPP, DWORD RefreshRate, DWORD Flags)
1012 {
1013     IDirectDrawImpl *This = impl_from_IDirectDraw3(iface);
1014     TRACE("(%p)->(%u, %u, %u, %u, 0x%08x): Thunking to IDirectDraw4\n", This, Width, Height, BPP, RefreshRate, Flags);
1015     return IDirectDraw3_SetDisplayMode(&This->IDirectDraw4_iface, Width, Height, BPP, RefreshRate,
1016             Flags);
1017 }
1018
1019 static HRESULT WINAPI IDirectDraw2Impl_SetDisplayMode(IDirectDraw2 *iface, DWORD Width,
1020         DWORD Height, DWORD BPP, DWORD RefreshRate, DWORD Flags)
1021 {
1022     IDirectDrawImpl *This = impl_from_IDirectDraw2(iface);
1023     TRACE("(%p)->(%u, %u, %u, %u, 0x%08x): Thunking to IDirectDraw4\n", This, Width, Height, BPP, RefreshRate, Flags);
1024     return IDirectDraw3_SetDisplayMode(&This->IDirectDraw4_iface, Width, Height, BPP, RefreshRate,
1025             Flags);
1026 }
1027
1028 static HRESULT WINAPI IDirectDrawImpl_SetDisplayMode(IDirectDraw *iface, DWORD Width, DWORD Height,
1029         DWORD BPP)
1030 {
1031     IDirectDrawImpl *This = impl_from_IDirectDraw(iface);
1032     TRACE("(%p)->(%u, %u, %u): Thunking to IDirectDraw4\n", This, Width, Height, BPP);
1033     return IDirectDraw3_SetDisplayMode(&This->IDirectDraw4_iface, Width, Height, BPP, 0, 0);
1034 }
1035
1036 static HRESULT WINAPI IDirectDraw4Impl_WaitForVerticalBlank(IDirectDraw4 *iface, DWORD Flags,
1037         HANDLE h)
1038 {
1039     IDirectDrawImpl *This = impl_from_IDirectDraw4(iface);
1040     TRACE("(%p)->(0x%08x, %p)\n", This, Flags, h);
1041     return IDirectDraw4_WaitForVerticalBlank(This->parent, Flags, h);
1042 }
1043
1044 static HRESULT WINAPI IDirectDraw3Impl_WaitForVerticalBlank(IDirectDraw3 *iface, DWORD Flags,
1045         HANDLE h)
1046 {
1047     IDirectDrawImpl *This = impl_from_IDirectDraw3(iface);
1048     TRACE("(%p)->(0x%08x, %p): Thunking to IDirectDraw4\n", This, Flags, h);
1049     return IDirectDraw4_WaitForVerticalBlank(&This->IDirectDraw4_iface, Flags, h);
1050 }
1051
1052 static HRESULT WINAPI IDirectDraw2Impl_WaitForVerticalBlank(IDirectDraw2 *iface, DWORD Flags,
1053         HANDLE h)
1054 {
1055     IDirectDrawImpl *This = impl_from_IDirectDraw2(iface);
1056     TRACE("(%p)->(0x%08x, %p): Thunking to IDirectDraw4\n", This, Flags, h);
1057     return IDirectDraw4_WaitForVerticalBlank(&This->IDirectDraw4_iface, Flags, h);
1058 }
1059
1060 static HRESULT WINAPI IDirectDrawImpl_WaitForVerticalBlank(IDirectDraw *iface, DWORD Flags,
1061         HANDLE h)
1062 {
1063     IDirectDrawImpl *This = impl_from_IDirectDraw(iface);
1064     TRACE("(%p)->(0x%08x, %p): Thunking to IDirectDraw4\n", This, Flags, h);
1065     return IDirectDraw4_WaitForVerticalBlank(&This->IDirectDraw4_iface, Flags, h);
1066 }
1067
1068 static HRESULT WINAPI IDirectDraw4Impl_GetAvailableVidMem(IDirectDraw4 *iface, DDSCAPS2 *Caps,
1069         DWORD *total, DWORD *free)
1070 {
1071     IDirectDrawImpl *This = impl_from_IDirectDraw4(iface);
1072     TRACE("(%p)->(%p, %p, %p)\n", This, Caps, total, free);
1073     return IDirectDraw4_GetAvailableVidMem(This->parent, Caps, total, free);
1074 }
1075
1076 static HRESULT WINAPI IDirectDraw3Impl_GetAvailableVidMem(IDirectDraw3 *iface, DDSCAPS *Caps,
1077         DWORD *total, DWORD *free)
1078 {
1079     IDirectDrawImpl *This = impl_from_IDirectDraw3(iface);
1080     DDSCAPS2 caps2;
1081     TRACE("(%p)->(%p, %p, %p): Thunking to IDirectDraw4\n", This, Caps, total, free);
1082     memset(&caps2, 0, sizeof(caps2));
1083     caps2.dwCaps = Caps->dwCaps;
1084     return IDirectDraw4_GetAvailableVidMem(&This->IDirectDraw4_iface, &caps2, total, free);
1085 }
1086
1087 static HRESULT WINAPI IDirectDraw2Impl_GetAvailableVidMem(IDirectDraw2 *iface, DDSCAPS *Caps,
1088         DWORD *total, DWORD *free)
1089 {
1090     IDirectDrawImpl *This = impl_from_IDirectDraw2(iface);
1091     DDSCAPS2 caps2;
1092     TRACE("(%p)->(%p, %p, %p): Thunking to IDirectDraw4\n", This, Caps, total, free);
1093     memset(&caps2, 0, sizeof(caps2));
1094     caps2.dwCaps = Caps->dwCaps;
1095     return IDirectDraw4_GetAvailableVidMem(&This->IDirectDraw4_iface, &caps2, total, free);
1096 }
1097
1098 static HRESULT WINAPI IDirectDraw4Impl_GetSurfaceFromDC(IDirectDraw4 *iface, HDC hdc,
1099         IDirectDrawSurface4 **Surface)
1100 {
1101     IDirectDrawImpl *This = impl_from_IDirectDraw4(iface);
1102     HRESULT hr;
1103     TRACE("(%p)->(%p, %p)\n", This, hdc, Surface);
1104     hr = IDirectDraw4_GetSurfaceFromDC(This->parent,hdc, Surface);
1105
1106     return hr;
1107 }
1108
1109 static HRESULT WINAPI IDirectDraw3Impl_GetSurfaceFromDC(IDirectDraw3 *iface, HDC hdc,
1110         IDirectDrawSurface **Surface)
1111 {
1112     IDirectDrawImpl *This = impl_from_IDirectDraw3(iface);
1113     IDirectDrawSurface4 *surf4, *outer;
1114     IDirectDrawSurface *inner;
1115     HRESULT hr;
1116     TRACE("(%p)->(%p, %p): Thunking to IDirectDraw4\n", This, hdc, Surface);
1117
1118     if (!Surface) return E_POINTER;
1119
1120     hr = IDirectDraw4_GetSurfaceFromDC(This->parent, hdc, (IDirectDrawSurface4 **)&inner);
1121     if(FAILED(hr))
1122     {
1123         *Surface = NULL;
1124         return hr;
1125     }
1126
1127     hr = IDirectDrawSurface_QueryInterface(inner, &IID_IDirectDrawSurface4, (void **)&surf4);
1128     IDirectDrawSurface_Release(inner);
1129     if (FAILED(hr))
1130     {
1131         *Surface = NULL;
1132         return hr;
1133     }
1134
1135     outer = dds_get_outer(surf4);
1136     hr = IDirectDrawSurface4_QueryInterface(outer, &IID_IDirectDrawSurface, (void **)Surface);
1137     IDirectDrawSurface4_Release(surf4);
1138     return hr;
1139 }
1140
1141 static HRESULT WINAPI IDirectDraw4Impl_RestoreAllSurfaces(IDirectDraw4 *iface)
1142 {
1143     IDirectDrawImpl *This = impl_from_IDirectDraw4(iface);
1144     TRACE("(%p)\n", This);
1145     return IDirectDraw4_RestoreAllSurfaces(This->parent);
1146 }
1147
1148 static HRESULT WINAPI IDirectDraw4Impl_TestCooperativeLevel(IDirectDraw4 *iface)
1149 {
1150     IDirectDrawImpl *This = impl_from_IDirectDraw4(iface);
1151     TRACE("(%p)\n", This);
1152     return IDirectDraw4_TestCooperativeLevel(This->parent);
1153 }
1154
1155 static HRESULT WINAPI IDirectDraw4Impl_GetDeviceIdentifier(IDirectDraw4 *iface,
1156         DDDEVICEIDENTIFIER *DDDI, DWORD Flags)
1157 {
1158     IDirectDrawImpl *This = impl_from_IDirectDraw4(iface);
1159     TRACE("(%p)->(%p,0x%08x)\n", This, DDDI, Flags);
1160     return IDirectDraw4_GetDeviceIdentifier(This->parent, DDDI, Flags);
1161 }
1162
1163 static const IDirectDrawVtbl IDirectDraw1_Vtbl =
1164 {
1165     IDirectDrawImpl_QueryInterface,
1166     IDirectDrawImpl_AddRef,
1167     IDirectDrawImpl_Release,
1168     IDirectDrawImpl_Compact,
1169     IDirectDrawImpl_CreateClipper,
1170     IDirectDrawImpl_CreatePalette,
1171     IDirectDrawImpl_CreateSurface,
1172     IDirectDrawImpl_DuplicateSurface,
1173     IDirectDrawImpl_EnumDisplayModes,
1174     IDirectDrawImpl_EnumSurfaces,
1175     IDirectDrawImpl_FlipToGDISurface,
1176     IDirectDrawImpl_GetCaps,
1177     IDirectDrawImpl_GetDisplayMode,
1178     IDirectDrawImpl_GetFourCCCodes,
1179     IDirectDrawImpl_GetGDISurface,
1180     IDirectDrawImpl_GetMonitorFrequency,
1181     IDirectDrawImpl_GetScanLine,
1182     IDirectDrawImpl_GetVerticalBlankStatus,
1183     IDirectDrawImpl_Initialize,
1184     IDirectDrawImpl_RestoreDisplayMode,
1185     IDirectDrawImpl_SetCooperativeLevel,
1186     IDirectDrawImpl_SetDisplayMode,
1187     IDirectDrawImpl_WaitForVerticalBlank,
1188 };
1189
1190 static const IDirectDraw2Vtbl IDirectDraw2_Vtbl =
1191 {
1192     IDirectDraw2Impl_QueryInterface,
1193     IDirectDraw2Impl_AddRef,
1194     IDirectDraw2Impl_Release,
1195     IDirectDraw2Impl_Compact,
1196     IDirectDraw2Impl_CreateClipper,
1197     IDirectDraw2Impl_CreatePalette,
1198     IDirectDraw2Impl_CreateSurface,
1199     IDirectDraw2Impl_DuplicateSurface,
1200     IDirectDraw2Impl_EnumDisplayModes,
1201     IDirectDraw2Impl_EnumSurfaces,
1202     IDirectDraw2Impl_FlipToGDISurface,
1203     IDirectDraw2Impl_GetCaps,
1204     IDirectDraw2Impl_GetDisplayMode,
1205     IDirectDraw2Impl_GetFourCCCodes,
1206     IDirectDraw2Impl_GetGDISurface,
1207     IDirectDraw2Impl_GetMonitorFrequency,
1208     IDirectDraw2Impl_GetScanLine,
1209     IDirectDraw2Impl_GetVerticalBlankStatus,
1210     IDirectDraw2Impl_Initialize,
1211     IDirectDraw2Impl_RestoreDisplayMode,
1212     IDirectDraw2Impl_SetCooperativeLevel,
1213     IDirectDraw2Impl_SetDisplayMode,
1214     IDirectDraw2Impl_WaitForVerticalBlank,
1215     IDirectDraw2Impl_GetAvailableVidMem
1216 };
1217
1218 static const IDirectDraw3Vtbl IDirectDraw3_Vtbl =
1219 {
1220     IDirectDraw3Impl_QueryInterface,
1221     IDirectDraw3Impl_AddRef,
1222     IDirectDraw3Impl_Release,
1223     IDirectDraw3Impl_Compact,
1224     IDirectDraw3Impl_CreateClipper,
1225     IDirectDraw3Impl_CreatePalette,
1226     IDirectDraw3Impl_CreateSurface,
1227     IDirectDraw3Impl_DuplicateSurface,
1228     IDirectDraw3Impl_EnumDisplayModes,
1229     IDirectDraw3Impl_EnumSurfaces,
1230     IDirectDraw3Impl_FlipToGDISurface,
1231     IDirectDraw3Impl_GetCaps,
1232     IDirectDraw3Impl_GetDisplayMode,
1233     IDirectDraw3Impl_GetFourCCCodes,
1234     IDirectDraw3Impl_GetGDISurface,
1235     IDirectDraw3Impl_GetMonitorFrequency,
1236     IDirectDraw3Impl_GetScanLine,
1237     IDirectDraw3Impl_GetVerticalBlankStatus,
1238     IDirectDraw3Impl_Initialize,
1239     IDirectDraw3Impl_RestoreDisplayMode,
1240     IDirectDraw3Impl_SetCooperativeLevel,
1241     IDirectDraw3Impl_SetDisplayMode,
1242     IDirectDraw3Impl_WaitForVerticalBlank,
1243     IDirectDraw3Impl_GetAvailableVidMem,
1244     IDirectDraw3Impl_GetSurfaceFromDC,
1245 };
1246
1247 static const IDirectDraw4Vtbl IDirectDraw4_Vtbl =
1248 {
1249     IDirectDraw4Impl_QueryInterface,
1250     IDirectDraw4Impl_AddRef,
1251     IDirectDraw4Impl_Release,
1252     IDirectDraw4Impl_Compact,
1253     IDirectDraw4Impl_CreateClipper,
1254     IDirectDraw4Impl_CreatePalette,
1255     IDirectDraw4Impl_CreateSurface,
1256     IDirectDraw4Impl_DuplicateSurface,
1257     IDirectDraw4Impl_EnumDisplayModes,
1258     IDirectDraw4Impl_EnumSurfaces,
1259     IDirectDraw4Impl_FlipToGDISurface,
1260     IDirectDraw4Impl_GetCaps,
1261     IDirectDraw4Impl_GetDisplayMode,
1262     IDirectDraw4Impl_GetFourCCCodes,
1263     IDirectDraw4Impl_GetGDISurface,
1264     IDirectDraw4Impl_GetMonitorFrequency,
1265     IDirectDraw4Impl_GetScanLine,
1266     IDirectDraw4Impl_GetVerticalBlankStatus,
1267     IDirectDraw4Impl_Initialize,
1268     IDirectDraw4Impl_RestoreDisplayMode,
1269     IDirectDraw4Impl_SetCooperativeLevel,
1270     IDirectDraw4Impl_SetDisplayMode,
1271     IDirectDraw4Impl_WaitForVerticalBlank,
1272     IDirectDraw4Impl_GetAvailableVidMem,
1273     IDirectDraw4Impl_GetSurfaceFromDC,
1274     IDirectDraw4Impl_RestoreAllSurfaces,
1275     IDirectDraw4Impl_TestCooperativeLevel,
1276     IDirectDraw4Impl_GetDeviceIdentifier
1277 };
1278
1279 /*******************************************************************************
1280  * IDirectDrawFactoryImpl_CreateDirectDraw
1281  *******************************************************************************/
1282 HRESULT WINAPI
1283 IDirectDrawFactoryImpl_CreateDirectDraw(IDirectDrawFactory* iface,
1284                                         GUID * pGUID,
1285                                         HWND hWnd,
1286                                         DWORD dwCoopLevelFlags,
1287                                         DWORD dwReserved,
1288                                         IUnknown *pUnkOuter,
1289                                         IDirectDraw **ppDirectDraw)
1290 {
1291     HRESULT hr;
1292     IDirectDrawImpl *object = NULL;
1293     IDirectDraw *parent = NULL;
1294
1295     TRACE("(%p)->(%s,%p,0x%08x,0x%08x,%p,%p)\n", iface, debugstr_guid(pGUID), hWnd, dwCoopLevelFlags,
1296           dwReserved, pUnkOuter, ppDirectDraw);
1297
1298     if(pUnkOuter)
1299     {
1300         FIXME("Implement aggregation in ddrawex's IDirectDraw interface\n");
1301     }
1302
1303     object = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*object));
1304     if(!object)
1305     {
1306         ERR("Out of memory\n");
1307         hr = E_OUTOFMEMORY;
1308         goto err;
1309     }
1310     object->ref = 1;
1311     object->IDirectDraw_iface.lpVtbl = &IDirectDraw1_Vtbl;
1312     object->IDirectDraw2_iface.lpVtbl = &IDirectDraw2_Vtbl;
1313     object->IDirectDraw3_iface.lpVtbl = &IDirectDraw3_Vtbl;
1314     object->IDirectDraw4_iface.lpVtbl = &IDirectDraw4_Vtbl;
1315
1316     hr = DirectDrawCreate(pGUID, &parent, NULL);
1317     if (FAILED(hr)) goto err;
1318
1319     hr = IDirectDraw_QueryInterface(parent, &IID_IDirectDraw4, (void **) &object->parent);
1320     if(FAILED(hr)) goto err;
1321
1322     hr = IDirectDraw_SetCooperativeLevel(&object->IDirectDraw_iface, hWnd, dwCoopLevelFlags);
1323     if (FAILED(hr)) goto err;
1324
1325     *ppDirectDraw = &object->IDirectDraw_iface;
1326     IDirectDraw_Release(parent);
1327     return DD_OK;
1328
1329 err:
1330     if(object && object->parent) IDirectDraw4_Release(object->parent);
1331     if(parent) IDirectDraw_Release(parent);
1332     HeapFree(GetProcessHeap(), 0, object);
1333     *ppDirectDraw = NULL;
1334     return hr;
1335 }
1336
1337 IDirectDraw4 *dd_get_inner(IDirectDraw4 *outer)
1338 {
1339     IDirectDrawImpl *This = impl_from_IDirectDraw4(outer);
1340
1341     if (outer->lpVtbl != &IDirectDraw4_Vtbl) return NULL;
1342     return This->parent;
1343 }