git.oblomov.eu Git - wine/blob - 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     FIXME("(%p)->(%p,%p). Create a wrapper surface\n", This, src, dst);
 463
 464     return IDirectDraw4_DuplicateSurface(This->parent, dds_get_inner(src), dst);
 465 }
 466
 467 static HRESULT WINAPI IDirectDraw3Impl_DuplicateSurface(IDirectDraw3 *iface,
 468         IDirectDrawSurface *src, IDirectDrawSurface **dst)
 469 {
 470     IDirectDrawImpl *This = impl_from_IDirectDraw3(iface);
 471     IDirectDrawSurface4 *src_4;
 472     IDirectDrawSurface4 *dst_4;
 473     HRESULT hr;
 474
 475     TRACE("Thunking to IDirectDraw4\n");
 476     IDirectDrawSurface_QueryInterface(src, &IID_IDirectDrawSurface4, (void **) &src_4);
 477     hr = IDirectDraw4_DuplicateSurface(&This->IDirectDraw4_iface, src_4, &dst_4);
 478     IDirectDrawSurface4_Release(src_4);
 479
 480     if(FAILED(hr))
 481     {
 482         *dst = NULL;
 483         return hr;
 484     }
 485     IDirectDrawSurface4_QueryInterface(dst_4, &IID_IDirectDrawSurface, (void **) dst);
 486     IDirectDrawSurface4_Release(dst_4);
 487     return hr;
 488 }
 489
 490 static HRESULT WINAPI IDirectDraw2Impl_DuplicateSurface(IDirectDraw2 *iface,
 491         IDirectDrawSurface *src, IDirectDrawSurface **dst)
 492 {
 493     IDirectDrawImpl *This = impl_from_IDirectDraw2(iface);
 494     TRACE("Thunking to IDirectDraw3\n");
 495     return IDirectDraw3_DuplicateSurface(&This->IDirectDraw3_iface, src, dst);
 496 }
 497
 498 static HRESULT WINAPI IDirectDrawImpl_DuplicateSurface(IDirectDraw *iface, IDirectDrawSurface *src,
 499         IDirectDrawSurface **dst)
 500 {
 501     IDirectDrawImpl *This = impl_from_IDirectDraw(iface);
 502     TRACE("Thunking to IDirectDraw3\n");
 503     return IDirectDraw3_DuplicateSurface(&This->IDirectDraw3_iface, src, dst);
 504 }
 505
 506 static HRESULT WINAPI IDirectDraw4Impl_EnumDisplayModes(IDirectDraw4 *iface, DWORD Flags,
 507         DDSURFACEDESC2 *DDSD, void *Context, LPDDENUMMODESCALLBACK2 cb)
 508 {
 509     IDirectDrawImpl *This = impl_from_IDirectDraw4(iface);
 510     TRACE("(%p)->(0x%08x,%p,%p,%p)\n", This, Flags, DDSD, Context, cb);
 511
 512     return IDirectDraw4_EnumDisplayModes(This->parent, Flags, DDSD, Context, cb);
 513 }
 514
 515 struct enummodes_ctx
 516 {
 517     LPDDENUMMODESCALLBACK orig_cb;
 518     void *orig_ctx;
 519 };
 520
 521 static HRESULT WINAPI
 522 enum_modes_cb2(DDSURFACEDESC2 *ddsd2, void *vctx)
 523 {
 524     struct enummodes_ctx *ctx = vctx;
 525     DDSURFACEDESC ddsd;
 526
 527     DDSD2_to_DDSD(ddsd2, &ddsd);
 528     return ctx->orig_cb(&ddsd, ctx->orig_ctx);
 529 }
 530
 531 static HRESULT WINAPI IDirectDraw3Impl_EnumDisplayModes(IDirectDraw3 *iface, DWORD Flags,
 532         DDSURFACEDESC *DDSD, void *Context, LPDDENUMMODESCALLBACK cb)
 533 {
 534     IDirectDrawImpl *This = impl_from_IDirectDraw3(iface);
 535     DDSURFACEDESC2 ddsd2;
 536     struct enummodes_ctx ctx;
 537     TRACE("(%p)->(0x%08x,%p,%p,%p): Thunking to IDirectDraw4\n", This, Flags, DDSD, Context, cb);
 538
 539     DDSD_to_DDSD2(DDSD, &ddsd2);
 540     ctx.orig_cb = cb;
 541     ctx.orig_ctx = Context;
 542     return IDirectDraw4_EnumDisplayModes(&This->IDirectDraw4_iface, Flags, &ddsd2, &ctx,
 543             enum_modes_cb2);
 544 }
 545
 546 static HRESULT WINAPI IDirectDraw2Impl_EnumDisplayModes(IDirectDraw2 *iface, DWORD Flags,
 547         DDSURFACEDESC *DDSD, void *Context, LPDDENUMMODESCALLBACK cb)
 548 {
 549     IDirectDrawImpl *This = impl_from_IDirectDraw2(iface);
 550     TRACE("(%p)->(0x%08x,%p,%p,%p): Thunking to IDirectDraw3\n", This, Flags, DDSD, Context, cb);
 551     return IDirectDraw3_EnumDisplayModes(&This->IDirectDraw3_iface, Flags, DDSD, Context, cb);
 552 }
 553
 554 static HRESULT WINAPI IDirectDrawImpl_EnumDisplayModes(IDirectDraw *iface, DWORD Flags,
 555         DDSURFACEDESC *DDSD, void *Context, LPDDENUMMODESCALLBACK cb)
 556 {
 557     IDirectDrawImpl *This = impl_from_IDirectDraw(iface);
 558     TRACE("(%p)->(0x%08x,%p,%p,%p): Thunking to IDirectDraw3\n", This, Flags, DDSD, Context, cb);
 559     return IDirectDraw3_EnumDisplayModes(&This->IDirectDraw3_iface, Flags, DDSD, Context, cb);
 560 }
 561
 562 struct enumsurfaces4_ctx
 563 {
 564     LPDDENUMSURFACESCALLBACK2 orig_cb;
 565     void *orig_ctx;
 566 };
 567
 568 static HRESULT WINAPI
 569 enum_surfaces_wrapper(IDirectDrawSurface4 *surf4, DDSURFACEDESC2 *ddsd2, void *vctx)
 570 {
 571     struct enumsurfaces4_ctx *ctx = vctx;
 572     IDirectDrawSurface4 *outer = dds_get_outer(surf4);
 573     IDirectDrawSurface4_AddRef(outer);
 574     IDirectDrawSurface4_Release(surf4);
 575     TRACE("Returning wrapper surface %p for enumerated inner surface %p\n", outer, surf4);
 576     return ctx->orig_cb(outer, ddsd2, ctx->orig_ctx);
 577 }
 578
 579 static HRESULT WINAPI IDirectDraw4Impl_EnumSurfaces(IDirectDraw4 *iface, DWORD Flags,
 580         DDSURFACEDESC2 *DDSD, void *Context, LPDDENUMSURFACESCALLBACK2 Callback)
 581 {
 582     IDirectDrawImpl *This = impl_from_IDirectDraw4(iface);
 583     struct enumsurfaces4_ctx ctx;
 584     TRACE("(%p)->(0x%08x,%p,%p,%p)\n", This, Flags, DDSD, Context, Callback);
 585
 586     ctx.orig_cb = Callback;
 587     ctx.orig_ctx = Context;
 588     return IDirectDraw4Impl_EnumSurfaces(This->parent, Flags, DDSD, &ctx, enum_surfaces_wrapper);
 589 }
 590
 591 struct enumsurfaces_ctx
 592 {
 593     LPDDENUMSURFACESCALLBACK orig_cb;
 594     void *orig_ctx;
 595 };
 596
 597 static HRESULT WINAPI
 598 enum_surfaces_cb2(IDirectDrawSurface4 *surf4, DDSURFACEDESC2 *ddsd2, void *vctx)
 599 {
 600     struct enumsurfaces_ctx *ctx = vctx;
 601     IDirectDrawSurface *surf1;
 602     DDSURFACEDESC ddsd;
 603
 604     /* Keep the reference, it goes to the application */
 605     IDirectDrawSurface4_QueryInterface(surf4, &IID_IDirectDrawSurface, (void **) &surf1);
 606     /* Release the reference this function got */
 607     IDirectDrawSurface4_Release(surf4);
 608
 609     DDSD2_to_DDSD(ddsd2, &ddsd);
 610     return ctx->orig_cb(surf1, &ddsd, ctx->orig_ctx);
 611 }
 612
 613 static HRESULT WINAPI IDirectDraw3Impl_EnumSurfaces(IDirectDraw3 *iface, DWORD Flags,
 614         DDSURFACEDESC *DDSD, void *Context, LPDDENUMSURFACESCALLBACK Callback)
 615 {
 616     IDirectDrawImpl *This = impl_from_IDirectDraw3(iface);
 617     DDSURFACEDESC2 ddsd2;
 618     struct enumsurfaces_ctx ctx;
 619     TRACE("(%p)->(0x%08x,%p,%p,%p): Thunking to IDirectDraw4\n", This, Flags, DDSD, Context, Callback);
 620
 621     DDSD_to_DDSD2(DDSD, &ddsd2);
 622     ctx.orig_cb = Callback;
 623     ctx.orig_ctx = Context;
 624     return IDirectDraw4_EnumSurfaces(&This->IDirectDraw4_iface, Flags, &ddsd2, &ctx,
 625             enum_surfaces_cb2);
 626 }
 627
 628 static HRESULT WINAPI IDirectDraw2Impl_EnumSurfaces(IDirectDraw2 *iface, DWORD Flags,
 629         DDSURFACEDESC *DDSD, void *Context, LPDDENUMSURFACESCALLBACK Callback)
 630 {
 631     IDirectDrawImpl *This = impl_from_IDirectDraw2(iface);
 632     TRACE("(%p)->(0x%08x,%p,%p,%p): Thunking to IDirectDraw3\n", This, Flags, DDSD, Context, Callback);
 633     return IDirectDraw3_EnumSurfaces(&This->IDirectDraw3_iface, Flags, DDSD, Context, Callback);
 634 }
 635
 636 static HRESULT WINAPI IDirectDrawImpl_EnumSurfaces(IDirectDraw *iface, DWORD Flags,
 637         DDSURFACEDESC *DDSD, void *Context, LPDDENUMSURFACESCALLBACK Callback)
 638 {
 639     IDirectDrawImpl *This = impl_from_IDirectDraw(iface);
 640     TRACE("(%p)->(0x%08x,%p,%p,%p): Thunking to IDirectDraw3\n", This, Flags, DDSD, Context, Callback);
 641     return IDirectDraw3_EnumSurfaces(&This->IDirectDraw3_iface, Flags, DDSD, Context, Callback);
 642 }
 643
 644 static HRESULT WINAPI IDirectDraw4Impl_FlipToGDISurface(IDirectDraw4 *iface)
 645 {
 646     IDirectDrawImpl *This = impl_from_IDirectDraw4(iface);
 647     TRACE("(%p)\n", This);
 648
 649     return IDirectDraw4_FlipToGDISurface(This->parent);
 650 }
 651
 652 static HRESULT WINAPI IDirectDraw3Impl_FlipToGDISurface(IDirectDraw3 *iface)
 653 {
 654     IDirectDrawImpl *This = impl_from_IDirectDraw3(iface);
 655     TRACE("(%p). Thunking to IDirectDraw4\n", This);
 656     return IDirectDraw4_FlipToGDISurface(&This->IDirectDraw4_iface);
 657 }
 658
 659 static HRESULT WINAPI IDirectDraw2Impl_FlipToGDISurface(IDirectDraw2 *iface)
 660 {
 661     IDirectDrawImpl *This = impl_from_IDirectDraw2(iface);
 662     TRACE("(%p). Thunking to IDirectDraw4\n", This);
 663     return IDirectDraw4_FlipToGDISurface(&This->IDirectDraw4_iface);
 664 }
 665
 666 static HRESULT WINAPI IDirectDrawImpl_FlipToGDISurface(IDirectDraw *iface)
 667 {
 668     IDirectDrawImpl *This = impl_from_IDirectDraw(iface);
 669     TRACE("(%p). Thunking to IDirectDraw4\n", This);
 670     return IDirectDraw4_FlipToGDISurface(&This->IDirectDraw4_iface);
 671 }
 672
 673 static HRESULT WINAPI IDirectDraw4Impl_GetCaps(IDirectDraw4 *iface, DDCAPS *DriverCaps,
 674         DDCAPS *HELCaps)
 675 {
 676     IDirectDrawImpl *This = impl_from_IDirectDraw4(iface);
 677     TRACE("(%p)->(%p,%p)\n", This, DriverCaps, HELCaps);
 678     return IDirectDraw4_GetCaps(This->parent, DriverCaps, HELCaps);
 679 }
 680
 681 static HRESULT WINAPI IDirectDraw3Impl_GetCaps(IDirectDraw3 *iface, DDCAPS *DriverCaps,
 682         DDCAPS *HELCaps)
 683 {
 684     IDirectDrawImpl *This = impl_from_IDirectDraw3(iface);
 685     TRACE("(%p)->(%p,%p). Thunking to IDirectDraw4\n", This, DriverCaps, HELCaps);
 686     return IDirectDraw4_GetCaps(&This->IDirectDraw4_iface, DriverCaps, HELCaps);
 687 }
 688
 689 static HRESULT WINAPI IDirectDraw2Impl_GetCaps(IDirectDraw2 *iface, DDCAPS *DriverCaps,
 690         DDCAPS *HELCaps)
 691 {
 692     IDirectDrawImpl *This = impl_from_IDirectDraw2(iface);
 693     TRACE("(%p)->(%p,%p). Thunking to IDirectDraw4\n", This, DriverCaps, HELCaps);
 694     return IDirectDraw4_GetCaps(&This->IDirectDraw4_iface, DriverCaps, HELCaps);
 695 }
 696
 697 static HRESULT WINAPI IDirectDrawImpl_GetCaps(IDirectDraw *iface, DDCAPS *DriverCaps,
 698         DDCAPS *HELCaps)
 699 {
 700     IDirectDrawImpl *This = impl_from_IDirectDraw(iface);
 701     TRACE("(%p)->(%p,%p). Thunking to IDirectDraw4\n", This, DriverCaps, HELCaps);
 702     return IDirectDraw4_GetCaps(&This->IDirectDraw4_iface, DriverCaps, HELCaps);
 703 }
 704
 705 static HRESULT WINAPI IDirectDraw4Impl_GetDisplayMode(IDirectDraw4 *iface, DDSURFACEDESC2 *DDSD)
 706 {
 707     IDirectDrawImpl *This = impl_from_IDirectDraw4(iface);
 708     TRACE("(%p)->(%p)\n", This, DDSD);
 709     return IDirectDraw4_GetDisplayMode(This->parent, DDSD);
 710 }
 711
 712 static HRESULT WINAPI IDirectDraw3Impl_GetDisplayMode(IDirectDraw3 *iface, DDSURFACEDESC *DDSD)
 713 {
 714     IDirectDrawImpl *This = impl_from_IDirectDraw3(iface);
 715     DDSURFACEDESC2 ddsd2;
 716     HRESULT hr;
 717
 718     TRACE("(%p)->(%p): Thunking to IDirectDraw4\n", This, DDSD);
 719     hr = IDirectDraw4_GetDisplayMode(&This->IDirectDraw4_iface, &ddsd2);
 720     DDSD2_to_DDSD(&ddsd2, DDSD);
 721     return hr;
 722 }
 723
 724 static HRESULT WINAPI IDirectDraw2Impl_GetDisplayMode(IDirectDraw2 *iface, DDSURFACEDESC *DDSD)
 725 {
 726     IDirectDrawImpl *This = impl_from_IDirectDraw2(iface);
 727     TRACE("(%p)->(%p): Thunking to IDirectDraw3\n", This, DDSD);
 728     return IDirectDraw3_GetDisplayMode(&This->IDirectDraw3_iface, DDSD);
 729 }
 730
 731 static HRESULT WINAPI IDirectDrawImpl_GetDisplayMode(IDirectDraw *iface, DDSURFACEDESC *DDSD)
 732 {
 733     IDirectDrawImpl *This = impl_from_IDirectDraw(iface);
 734     TRACE("(%p)->(%p): Thunking to IDirectDraw3\n", This, DDSD);
 735     return IDirectDraw3_GetDisplayMode(&This->IDirectDraw3_iface, DDSD);
 736 }
 737
 738 static HRESULT WINAPI IDirectDraw4Impl_GetFourCCCodes(IDirectDraw4 *iface, DWORD *NumCodes,
 739         DWORD *Codes)
 740 {
 741     IDirectDrawImpl *This = impl_from_IDirectDraw4(iface);
 742     TRACE("(%p)->(%p, %p):\n", This, NumCodes, Codes);
 743     return IDirectDraw4_GetFourCCCodes(This->parent, NumCodes, Codes);
 744 }
 745
 746 static HRESULT WINAPI IDirectDraw3Impl_GetFourCCCodes(IDirectDraw3 *iface, DWORD *NumCodes,
 747         DWORD *Codes)
 748 {
 749     IDirectDrawImpl *This = impl_from_IDirectDraw3(iface);
 750     TRACE("(%p)->(%p, %p): Thunking to IDirectDraw4\n", This, NumCodes, Codes);
 751     return IDirectDraw4_GetFourCCCodes(&This->IDirectDraw4_iface, NumCodes, Codes);
 752 }
 753
 754 static HRESULT WINAPI IDirectDraw2Impl_GetFourCCCodes(IDirectDraw2 *iface, DWORD *NumCodes,
 755         DWORD *Codes)
 756 {
 757     IDirectDrawImpl *This = impl_from_IDirectDraw2(iface);
 758     TRACE("(%p)->(%p, %p): Thunking to IDirectDraw4\n", This, NumCodes, Codes);
 759     return IDirectDraw4_GetFourCCCodes(&This->IDirectDraw4_iface, NumCodes, Codes);
 760 }
 761
 762 static HRESULT WINAPI IDirectDrawImpl_GetFourCCCodes(IDirectDraw *iface, DWORD *NumCodes,
 763         DWORD *Codes)
 764 {
 765     IDirectDrawImpl *This = impl_from_IDirectDraw(iface);
 766     TRACE("(%p)->(%p, %p): Thunking to IDirectDraw4\n", This, NumCodes, Codes);
 767     return IDirectDraw4_GetFourCCCodes(&This->IDirectDraw4_iface, NumCodes, Codes);
 768 }
 769
 770 static HRESULT WINAPI IDirectDraw4Impl_GetGDISurface(IDirectDraw4 *iface,
 771         IDirectDrawSurface4 **GDISurface)
 772 {
 773     IDirectDrawImpl *This = impl_from_IDirectDraw4(iface);
 774     IDirectDrawSurface4 *inner = NULL;
 775     HRESULT hr;
 776     TRACE("(%p)->(%p)\n", This, GDISurface);
 777
 778     hr = IDirectDraw4_GetGDISurface(This->parent, &inner);
 779     if(SUCCEEDED(hr))
 780     {
 781         *GDISurface = dds_get_outer(inner);
 782         IDirectDrawSurface4_AddRef(*GDISurface);
 783         IDirectDrawSurface4_Release(inner);
 784     }
 785     else
 786     {
 787         *GDISurface = NULL;
 788     }
 789     return hr;
 790 }
 791
 792 static HRESULT WINAPI IDirectDraw3Impl_GetGDISurface(IDirectDraw3 *iface,
 793         IDirectDrawSurface **GDISurface)
 794 {
 795     IDirectDrawImpl *This = impl_from_IDirectDraw3(iface);
 796     IDirectDrawSurface4 *surf4;
 797     HRESULT hr;
 798     TRACE("(%p)->(%p): Thunking to IDirectDraw4\n", This, GDISurface);
 799
 800     hr = IDirectDraw4_GetGDISurface(&This->IDirectDraw4_iface, &surf4);
 801     if(FAILED(hr)) {
 802         *GDISurface = NULL;
 803         return hr;
 804     }
 805
 806     /* Release the reference we got from the DDraw4 call, and pass a reference to the caller */
 807     IDirectDrawSurface4_QueryInterface(surf4, &IID_IDirectDrawSurface, (void **) GDISurface);
 808     IDirectDrawSurface4_Release(surf4);
 809     return hr;
 810 }
 811
 812 static HRESULT WINAPI IDirectDraw2Impl_GetGDISurface(IDirectDraw2 *iface,
 813         IDirectDrawSurface **GDISurface)
 814 {
 815     IDirectDrawImpl *This = impl_from_IDirectDraw2(iface);
 816     TRACE("(%p)->(%p): Thunking to IDirectDraw3\n", This, GDISurface);
 817     return IDirectDraw3_GetGDISurface(&This->IDirectDraw3_iface, GDISurface);
 818 }
 819
 820 static HRESULT WINAPI IDirectDrawImpl_GetGDISurface(IDirectDraw *iface,
 821         IDirectDrawSurface **GDISurface)
 822 {
 823     IDirectDrawImpl *This = impl_from_IDirectDraw(iface);
 824     TRACE("(%p)->(%p): Thunking to IDirectDraw3\n", This, GDISurface);
 825     return IDirectDraw3_GetGDISurface(&This->IDirectDraw3_iface, GDISurface);
 826 }
 827
 828 static HRESULT WINAPI IDirectDraw4Impl_GetMonitorFrequency(IDirectDraw4 *iface, DWORD *Freq)
 829 {
 830     IDirectDrawImpl *This = impl_from_IDirectDraw4(iface);
 831     TRACE("(%p)->(%p)\n", This, Freq);
 832     return IDirectDraw4_GetMonitorFrequency(This->parent, Freq);
 833 }
 834
 835 static HRESULT WINAPI IDirectDraw3Impl_GetMonitorFrequency(IDirectDraw3 *iface, DWORD *Freq)
 836 {
 837     IDirectDrawImpl *This = impl_from_IDirectDraw3(iface);
 838     TRACE("(%p)->(%p): Thunking to IDirectDraw4\n", This, Freq);
 839     return IDirectDraw4_GetMonitorFrequency(&This->IDirectDraw4_iface, Freq);
 840 }
 841
 842 static HRESULT WINAPI IDirectDraw2Impl_GetMonitorFrequency(IDirectDraw2 *iface, DWORD *Freq)
 843 {
 844     IDirectDrawImpl *This = impl_from_IDirectDraw2(iface);
 845     TRACE("(%p)->(%p): Thunking to IDirectDraw4\n", This, Freq);
 846     return IDirectDraw4_GetMonitorFrequency(&This->IDirectDraw4_iface, Freq);
 847 }
 848
 849 static HRESULT WINAPI IDirectDrawImpl_GetMonitorFrequency(IDirectDraw *iface, DWORD *Freq)
 850 {
 851     IDirectDrawImpl *This = impl_from_IDirectDraw(iface);
 852     TRACE("(%p)->(%p): Thunking to IDirectDraw4\n", This, Freq);
 853     return IDirectDraw4_GetMonitorFrequency(&This->IDirectDraw4_iface, Freq);
 854 }
 855
 856 static HRESULT WINAPI IDirectDraw4Impl_GetScanLine(IDirectDraw4 *iface, DWORD *Scanline)
 857 {
 858     IDirectDrawImpl *This = impl_from_IDirectDraw4(iface);
 859     TRACE("(%p)->(%p)\n", This, Scanline);
 860     return IDirectDraw4_GetScanLine(This->parent, Scanline);
 861 }
 862
 863 static HRESULT WINAPI IDirectDraw3Impl_GetScanLine(IDirectDraw3 *iface, DWORD *Scanline)
 864 {
 865     IDirectDrawImpl *This = impl_from_IDirectDraw3(iface);
 866     TRACE("(%p)->(%p): Thunking to IDirectDraw4\n", This, Scanline);
 867     return IDirectDraw4_GetScanLine(&This->IDirectDraw4_iface, Scanline);
 868 }
 869
 870 static HRESULT WINAPI IDirectDraw2Impl_GetScanLine(IDirectDraw2 *iface, DWORD *Scanline)
 871 {
 872     IDirectDrawImpl *This = impl_from_IDirectDraw2(iface);
 873     TRACE("(%p)->(%p): Thunking to IDirectDraw4\n", This, Scanline);
 874     return IDirectDraw4_GetScanLine(&This->IDirectDraw4_iface, Scanline);
 875 }
 876
 877 static HRESULT WINAPI IDirectDrawImpl_GetScanLine(IDirectDraw *iface, DWORD *Scanline)
 878 {
 879     IDirectDrawImpl *This = impl_from_IDirectDraw(iface);
 880     TRACE("(%p)->(%p): Thunking to IDirectDraw4\n", This, Scanline);
 881     return IDirectDraw4_GetScanLine(&This->IDirectDraw4_iface, Scanline);
 882 }
 883
 884 static HRESULT WINAPI IDirectDraw4Impl_GetVerticalBlankStatus(IDirectDraw4 *iface, BOOL *status)
 885 {
 886     IDirectDrawImpl *This = impl_from_IDirectDraw4(iface);
 887     TRACE("(%p)->(%p)\n", This, status);
 888     return IDirectDraw4_GetVerticalBlankStatus(This->parent, status);
 889 }
 890
 891 static HRESULT WINAPI IDirectDraw3Impl_GetVerticalBlankStatus(IDirectDraw3 *iface, BOOL *status)
 892 {
 893     IDirectDrawImpl *This = impl_from_IDirectDraw3(iface);
 894     TRACE("(%p)->(%p): Thunking to IDirectDraw4\n", This, status);
 895     return IDirectDraw4_GetVerticalBlankStatus(&This->IDirectDraw4_iface, status);
 896 }
 897
 898 static HRESULT WINAPI IDirectDraw2Impl_GetVerticalBlankStatus(IDirectDraw2 *iface, BOOL *status)
 899 {
 900     IDirectDrawImpl *This = impl_from_IDirectDraw2(iface);
 901     TRACE("(%p)->(%p): Thunking to IDirectDraw4\n", This, status);
 902     return IDirectDraw4_GetVerticalBlankStatus(&This->IDirectDraw4_iface, status);
 903 }
 904
 905 static HRESULT WINAPI IDirectDrawImpl_GetVerticalBlankStatus(IDirectDraw *iface, BOOL *status)
 906 {
 907     IDirectDrawImpl *This = impl_from_IDirectDraw(iface);
 908     TRACE("(%p)->(%p): Thunking to IDirectDraw4\n", This, status);
 909     return IDirectDraw4_GetVerticalBlankStatus(&This->IDirectDraw4_iface, status);
 910 }
 911
 912 static HRESULT WINAPI IDirectDraw4Impl_Initialize(IDirectDraw4 *iface, GUID *Guid)
 913 {
 914     IDirectDrawImpl *This = impl_from_IDirectDraw4(iface);
 915     TRACE("(%p)->(%s)\n", This, debugstr_guid(Guid));
 916     return IDirectDraw4_Initialize(This->parent, Guid);
 917 }
 918
 919 static HRESULT WINAPI IDirectDraw3Impl_Initialize(IDirectDraw3 *iface, GUID *Guid)
 920 {
 921     IDirectDrawImpl *This = impl_from_IDirectDraw3(iface);
 922     TRACE("(%p)->(%s): Thunking to IDirectDraw4\n", This, debugstr_guid(Guid));
 923     return IDirectDraw4_Initialize(&This->IDirectDraw4_iface, Guid);
 924 }
 925
 926 static HRESULT WINAPI IDirectDraw2Impl_Initialize(IDirectDraw2 *iface, GUID *Guid)
 927 {
 928     IDirectDrawImpl *This = impl_from_IDirectDraw2(iface);
 929     TRACE("(%p)->(%s): Thunking to IDirectDraw4\n", This, debugstr_guid(Guid));
 930     return IDirectDraw4_Initialize(&This->IDirectDraw4_iface, Guid);
 931 }
 932
 933 static HRESULT WINAPI IDirectDrawImpl_Initialize(IDirectDraw *iface, GUID *Guid)
 934 {
 935     IDirectDrawImpl *This = impl_from_IDirectDraw(iface);
 936     TRACE("(%p)->(%s): Thunking to IDirectDraw4\n", This, debugstr_guid(Guid));
 937     return IDirectDraw4_Initialize(&This->IDirectDraw4_iface, Guid);
 938 }
 939
 940 static HRESULT WINAPI IDirectDraw4Impl_RestoreDisplayMode(IDirectDraw4 *iface)
 941 {
 942     IDirectDrawImpl *This = impl_from_IDirectDraw4(iface);
 943     TRACE("(%p)\n", This);
 944     return IDirectDraw4_RestoreDisplayMode(This->parent);
 945 }
 946
 947 static HRESULT WINAPI IDirectDraw3Impl_RestoreDisplayMode(IDirectDraw3 *iface)
 948 {
 949     IDirectDrawImpl *This = impl_from_IDirectDraw3(iface);
 950     TRACE("(%p): Thunking to IDirectDraw4\n", This);
 951     return IDirectDraw4_RestoreDisplayMode(&This->IDirectDraw4_iface);
 952 }
 953
 954 static HRESULT WINAPI IDirectDraw2Impl_RestoreDisplayMode(IDirectDraw2 *iface)
 955 {
 956     IDirectDrawImpl *This = impl_from_IDirectDraw2(iface);
 957     TRACE("(%p): Thunking to IDirectDraw4\n", This);
 958     return IDirectDraw4_RestoreDisplayMode(&This->IDirectDraw4_iface);
 959 }
 960
 961 static HRESULT WINAPI IDirectDrawImpl_RestoreDisplayMode(IDirectDraw *iface)
 962 {
 963     IDirectDrawImpl *This = impl_from_IDirectDraw(iface);
 964     TRACE("(%p): Thunking to IDirectDraw4\n", This);
 965     return IDirectDraw4_RestoreDisplayMode(&This->IDirectDraw4_iface);
 966 }
 967
 968 static HRESULT WINAPI IDirectDraw4Impl_SetCooperativeLevel(IDirectDraw4 *iface, HWND hwnd,
 969         DWORD cooplevel)
 970 {
 971     IDirectDrawImpl *This = impl_from_IDirectDraw4(iface);
 972     TRACE("(%p)->(%p, 0x%08x)\n", This, hwnd, cooplevel);
 973     return IDirectDraw4_SetCooperativeLevel(This->parent, hwnd, cooplevel);
 974 }
 975
 976 static HRESULT WINAPI IDirectDraw3Impl_SetCooperativeLevel(IDirectDraw3 *iface, HWND hwnd,
 977         DWORD cooplevel)
 978 {
 979     IDirectDrawImpl *This = impl_from_IDirectDraw3(iface);
 980     TRACE("(%p)->(%p, 0x%08x): Thunking to IDirectDraw4\n", This, hwnd, cooplevel);
 981     return IDirectDraw4_SetCooperativeLevel(&This->IDirectDraw4_iface, hwnd, cooplevel);
 982 }
 983
 984 static HRESULT WINAPI IDirectDraw2Impl_SetCooperativeLevel(IDirectDraw2 *iface, HWND hwnd,
 985         DWORD cooplevel)
 986 {
 987     IDirectDrawImpl *This = impl_from_IDirectDraw2(iface);
 988     TRACE("(%p)->(%p, 0x%08x): Thunking to IDirectDraw4\n", This, hwnd, cooplevel);
 989     return IDirectDraw4_SetCooperativeLevel(&This->IDirectDraw4_iface, hwnd, cooplevel);
 990 }
 991
 992 static HRESULT WINAPI IDirectDrawImpl_SetCooperativeLevel(IDirectDraw *iface, HWND hwnd,
 993         DWORD cooplevel)
 994 {
 995     IDirectDrawImpl *This = impl_from_IDirectDraw(iface);
 996     TRACE("(%p)->(%p, 0x%08x): Thunking to IDirectDraw4\n", This, hwnd, cooplevel);
 997     return IDirectDraw4_SetCooperativeLevel(&This->IDirectDraw4_iface, hwnd, cooplevel);
 998 }
 999
1000 static HRESULT WINAPI IDirectDraw4Impl_SetDisplayMode(IDirectDraw4 *iface, DWORD Width,
1001         DWORD Height, DWORD BPP, DWORD RefreshRate, DWORD Flags)
1002 {
1003     IDirectDrawImpl *This = impl_from_IDirectDraw4(iface);
1004     TRACE("(%p)->(%u, %u, %u, %u, 0x%08x)\n", This, Width, Height, BPP, RefreshRate, Flags);
1005     return IDirectDraw4_SetDisplayMode(This->parent, Width, Height, BPP, RefreshRate, Flags);
1006 }
1007
1008 static HRESULT WINAPI IDirectDraw3Impl_SetDisplayMode(IDirectDraw3 *iface, DWORD Width,
1009         DWORD Height, DWORD BPP, DWORD RefreshRate, DWORD Flags)
1010 {
1011     IDirectDrawImpl *This = impl_from_IDirectDraw3(iface);
1012     TRACE("(%p)->(%u, %u, %u, %u, 0x%08x): Thunking to IDirectDraw4\n", This, Width, Height, BPP, RefreshRate, Flags);
1013     return IDirectDraw3_SetDisplayMode(&This->IDirectDraw4_iface, Width, Height, BPP, RefreshRate,
1014             Flags);
1015 }
1016
1017 static HRESULT WINAPI IDirectDraw2Impl_SetDisplayMode(IDirectDraw2 *iface, DWORD Width,
1018         DWORD Height, DWORD BPP, DWORD RefreshRate, DWORD Flags)
1019 {
1020     IDirectDrawImpl *This = impl_from_IDirectDraw2(iface);
1021     TRACE("(%p)->(%u, %u, %u, %u, 0x%08x): Thunking to IDirectDraw4\n", This, Width, Height, BPP, RefreshRate, Flags);
1022     return IDirectDraw3_SetDisplayMode(&This->IDirectDraw4_iface, Width, Height, BPP, RefreshRate,
1023             Flags);
1024 }
1025
1026 static HRESULT WINAPI IDirectDrawImpl_SetDisplayMode(IDirectDraw *iface, DWORD Width, DWORD Height,
1027         DWORD BPP)
1028 {
1029     IDirectDrawImpl *This = impl_from_IDirectDraw(iface);
1030     TRACE("(%p)->(%u, %u, %u): Thunking to IDirectDraw4\n", This, Width, Height, BPP);
1031     return IDirectDraw3_SetDisplayMode(&This->IDirectDraw4_iface, Width, Height, BPP, 0, 0);
1032 }
1033
1034 static HRESULT WINAPI IDirectDraw4Impl_WaitForVerticalBlank(IDirectDraw4 *iface, DWORD Flags,
1035         HANDLE h)
1036 {
1037     IDirectDrawImpl *This = impl_from_IDirectDraw4(iface);
1038     TRACE("(%p)->(0x%08x, %p)\n", This, Flags, h);
1039     return IDirectDraw4_WaitForVerticalBlank(This->parent, Flags, h);
1040 }
1041
1042 static HRESULT WINAPI IDirectDraw3Impl_WaitForVerticalBlank(IDirectDraw3 *iface, DWORD Flags,
1043         HANDLE h)
1044 {
1045     IDirectDrawImpl *This = impl_from_IDirectDraw3(iface);
1046     TRACE("(%p)->(0x%08x, %p): Thunking to IDirectDraw4\n", This, Flags, h);
1047     return IDirectDraw4_WaitForVerticalBlank(&This->IDirectDraw4_iface, Flags, h);
1048 }
1049
1050 static HRESULT WINAPI IDirectDraw2Impl_WaitForVerticalBlank(IDirectDraw2 *iface, DWORD Flags,
1051         HANDLE h)
1052 {
1053     IDirectDrawImpl *This = impl_from_IDirectDraw2(iface);
1054     TRACE("(%p)->(0x%08x, %p): Thunking to IDirectDraw4\n", This, Flags, h);
1055     return IDirectDraw4_WaitForVerticalBlank(&This->IDirectDraw4_iface, Flags, h);
1056 }
1057
1058 static HRESULT WINAPI IDirectDrawImpl_WaitForVerticalBlank(IDirectDraw *iface, DWORD Flags,
1059         HANDLE h)
1060 {
1061     IDirectDrawImpl *This = impl_from_IDirectDraw(iface);
1062     TRACE("(%p)->(0x%08x, %p): Thunking to IDirectDraw4\n", This, Flags, h);
1063     return IDirectDraw4_WaitForVerticalBlank(&This->IDirectDraw4_iface, Flags, h);
1064 }
1065
1066 static HRESULT WINAPI IDirectDraw4Impl_GetAvailableVidMem(IDirectDraw4 *iface, DDSCAPS2 *Caps,
1067         DWORD *total, DWORD *free)
1068 {
1069     IDirectDrawImpl *This = impl_from_IDirectDraw4(iface);
1070     TRACE("(%p)->(%p, %p, %p)\n", This, Caps, total, free);
1071     return IDirectDraw4_GetAvailableVidMem(This->parent, Caps, total, free);
1072 }
1073
1074 static HRESULT WINAPI IDirectDraw3Impl_GetAvailableVidMem(IDirectDraw3 *iface, DDSCAPS *Caps,
1075         DWORD *total, DWORD *free)
1076 {
1077     IDirectDrawImpl *This = impl_from_IDirectDraw3(iface);
1078     DDSCAPS2 caps2;
1079     TRACE("(%p)->(%p, %p, %p): Thunking to IDirectDraw4\n", This, Caps, total, free);
1080     memset(&caps2, 0, sizeof(caps2));
1081     caps2.dwCaps = Caps->dwCaps;
1082     return IDirectDraw4_GetAvailableVidMem(&This->IDirectDraw4_iface, &caps2, total, free);
1083 }
1084
1085 static HRESULT WINAPI IDirectDraw2Impl_GetAvailableVidMem(IDirectDraw2 *iface, DDSCAPS *Caps,
1086         DWORD *total, DWORD *free)
1087 {
1088     IDirectDrawImpl *This = impl_from_IDirectDraw2(iface);
1089     DDSCAPS2 caps2;
1090     TRACE("(%p)->(%p, %p, %p): Thunking to IDirectDraw4\n", This, Caps, total, free);
1091     memset(&caps2, 0, sizeof(caps2));
1092     caps2.dwCaps = Caps->dwCaps;
1093     return IDirectDraw4_GetAvailableVidMem(&This->IDirectDraw4_iface, &caps2, total, free);
1094 }
1095
1096 static HRESULT WINAPI IDirectDraw4Impl_GetSurfaceFromDC(IDirectDraw4 *iface, HDC hdc,
1097         IDirectDrawSurface4 **Surface)
1098 {
1099     IDirectDrawImpl *This = impl_from_IDirectDraw4(iface);
1100     HRESULT hr;
1101     TRACE("(%p)->(%p, %p)\n", This, hdc, Surface);
1102     hr = IDirectDraw4_GetSurfaceFromDC(This->parent,hdc, Surface);
1103
1104     return hr;
1105 }
1106
1107 static HRESULT WINAPI IDirectDraw3Impl_GetSurfaceFromDC(IDirectDraw3 *iface, HDC hdc,
1108         IDirectDrawSurface **Surface)
1109 {
1110     IDirectDrawImpl *This = impl_from_IDirectDraw3(iface);
1111     IDirectDrawSurface4 *surf4, *outer;
1112     IDirectDrawSurface *inner;
1113     HRESULT hr;
1114     TRACE("(%p)->(%p, %p): Thunking to IDirectDraw4\n", This, hdc, Surface);
1115
1116     if (!Surface) return E_POINTER;
1117
1118     hr = IDirectDraw4_GetSurfaceFromDC(This->parent, hdc, (IDirectDrawSurface4 **)&inner);
1119     if(FAILED(hr))
1120     {
1121         *Surface = NULL;
1122         return hr;
1123     }
1124
1125     hr = IDirectDrawSurface_QueryInterface(inner, &IID_IDirectDrawSurface4, (void **)&surf4);
1126     IDirectDrawSurface_Release(inner);
1127     if (FAILED(hr))
1128     {
1129         *Surface = NULL;
1130         return hr;
1131     }
1132
1133     outer = dds_get_outer(surf4);
1134     hr = IDirectDrawSurface4_QueryInterface(outer, &IID_IDirectDrawSurface, (void **)Surface);
1135     IDirectDrawSurface4_Release(surf4);
1136     return hr;
1137 }
1138
1139 static HRESULT WINAPI IDirectDraw4Impl_RestoreAllSurfaces(IDirectDraw4 *iface)
1140 {
1141     IDirectDrawImpl *This = impl_from_IDirectDraw4(iface);
1142     TRACE("(%p)\n", This);
1143     return IDirectDraw4_RestoreAllSurfaces(This->parent);
1144 }
1145
1146 static HRESULT WINAPI IDirectDraw4Impl_TestCooperativeLevel(IDirectDraw4 *iface)
1147 {
1148     IDirectDrawImpl *This = impl_from_IDirectDraw4(iface);
1149     TRACE("(%p)\n", This);
1150     return IDirectDraw4_TestCooperativeLevel(This->parent);
1151 }
1152
1153 static HRESULT WINAPI IDirectDraw4Impl_GetDeviceIdentifier(IDirectDraw4 *iface,
1154         DDDEVICEIDENTIFIER *DDDI, DWORD Flags)
1155 {
1156     IDirectDrawImpl *This = impl_from_IDirectDraw4(iface);
1157     TRACE("(%p)->(%p,0x%08x)\n", This, DDDI, Flags);
1158     return IDirectDraw4_GetDeviceIdentifier(This->parent, DDDI, Flags);
1159 }
1160
1161 static const IDirectDrawVtbl IDirectDraw1_Vtbl =
1162 {
1163     IDirectDrawImpl_QueryInterface,
1164     IDirectDrawImpl_AddRef,
1165     IDirectDrawImpl_Release,
1166     IDirectDrawImpl_Compact,
1167     IDirectDrawImpl_CreateClipper,
1168     IDirectDrawImpl_CreatePalette,
1169     IDirectDrawImpl_CreateSurface,
1170     IDirectDrawImpl_DuplicateSurface,
1171     IDirectDrawImpl_EnumDisplayModes,
1172     IDirectDrawImpl_EnumSurfaces,
1173     IDirectDrawImpl_FlipToGDISurface,
1174     IDirectDrawImpl_GetCaps,
1175     IDirectDrawImpl_GetDisplayMode,
1176     IDirectDrawImpl_GetFourCCCodes,
1177     IDirectDrawImpl_GetGDISurface,
1178     IDirectDrawImpl_GetMonitorFrequency,
1179     IDirectDrawImpl_GetScanLine,
1180     IDirectDrawImpl_GetVerticalBlankStatus,
1181     IDirectDrawImpl_Initialize,
1182     IDirectDrawImpl_RestoreDisplayMode,
1183     IDirectDrawImpl_SetCooperativeLevel,
1184     IDirectDrawImpl_SetDisplayMode,
1185     IDirectDrawImpl_WaitForVerticalBlank,
1186 };
1187
1188 static const IDirectDraw2Vtbl IDirectDraw2_Vtbl =
1189 {
1190     IDirectDraw2Impl_QueryInterface,
1191     IDirectDraw2Impl_AddRef,
1192     IDirectDraw2Impl_Release,
1193     IDirectDraw2Impl_Compact,
1194     IDirectDraw2Impl_CreateClipper,
1195     IDirectDraw2Impl_CreatePalette,
1196     IDirectDraw2Impl_CreateSurface,
1197     IDirectDraw2Impl_DuplicateSurface,
1198     IDirectDraw2Impl_EnumDisplayModes,
1199     IDirectDraw2Impl_EnumSurfaces,
1200     IDirectDraw2Impl_FlipToGDISurface,
1201     IDirectDraw2Impl_GetCaps,
1202     IDirectDraw2Impl_GetDisplayMode,
1203     IDirectDraw2Impl_GetFourCCCodes,
1204     IDirectDraw2Impl_GetGDISurface,
1205     IDirectDraw2Impl_GetMonitorFrequency,
1206     IDirectDraw2Impl_GetScanLine,
1207     IDirectDraw2Impl_GetVerticalBlankStatus,
1208     IDirectDraw2Impl_Initialize,
1209     IDirectDraw2Impl_RestoreDisplayMode,
1210     IDirectDraw2Impl_SetCooperativeLevel,
1211     IDirectDraw2Impl_SetDisplayMode,
1212     IDirectDraw2Impl_WaitForVerticalBlank,
1213     IDirectDraw2Impl_GetAvailableVidMem
1214 };
1215
1216 static const IDirectDraw3Vtbl IDirectDraw3_Vtbl =
1217 {
1218     IDirectDraw3Impl_QueryInterface,
1219     IDirectDraw3Impl_AddRef,
1220     IDirectDraw3Impl_Release,
1221     IDirectDraw3Impl_Compact,
1222     IDirectDraw3Impl_CreateClipper,
1223     IDirectDraw3Impl_CreatePalette,
1224     IDirectDraw3Impl_CreateSurface,
1225     IDirectDraw3Impl_DuplicateSurface,
1226     IDirectDraw3Impl_EnumDisplayModes,
1227     IDirectDraw3Impl_EnumSurfaces,
1228     IDirectDraw3Impl_FlipToGDISurface,
1229     IDirectDraw3Impl_GetCaps,
1230     IDirectDraw3Impl_GetDisplayMode,
1231     IDirectDraw3Impl_GetFourCCCodes,
1232     IDirectDraw3Impl_GetGDISurface,
1233     IDirectDraw3Impl_GetMonitorFrequency,
1234     IDirectDraw3Impl_GetScanLine,
1235     IDirectDraw3Impl_GetVerticalBlankStatus,
1236     IDirectDraw3Impl_Initialize,
1237     IDirectDraw3Impl_RestoreDisplayMode,
1238     IDirectDraw3Impl_SetCooperativeLevel,
1239     IDirectDraw3Impl_SetDisplayMode,
1240     IDirectDraw3Impl_WaitForVerticalBlank,
1241     IDirectDraw3Impl_GetAvailableVidMem,
1242     IDirectDraw3Impl_GetSurfaceFromDC,
1243 };
1244
1245 static const IDirectDraw4Vtbl IDirectDraw4_Vtbl =
1246 {
1247     IDirectDraw4Impl_QueryInterface,
1248     IDirectDraw4Impl_AddRef,
1249     IDirectDraw4Impl_Release,
1250     IDirectDraw4Impl_Compact,
1251     IDirectDraw4Impl_CreateClipper,
1252     IDirectDraw4Impl_CreatePalette,
1253     IDirectDraw4Impl_CreateSurface,
1254     IDirectDraw4Impl_DuplicateSurface,
1255     IDirectDraw4Impl_EnumDisplayModes,
1256     IDirectDraw4Impl_EnumSurfaces,
1257     IDirectDraw4Impl_FlipToGDISurface,
1258     IDirectDraw4Impl_GetCaps,
1259     IDirectDraw4Impl_GetDisplayMode,
1260     IDirectDraw4Impl_GetFourCCCodes,
1261     IDirectDraw4Impl_GetGDISurface,
1262     IDirectDraw4Impl_GetMonitorFrequency,
1263     IDirectDraw4Impl_GetScanLine,
1264     IDirectDraw4Impl_GetVerticalBlankStatus,
1265     IDirectDraw4Impl_Initialize,
1266     IDirectDraw4Impl_RestoreDisplayMode,
1267     IDirectDraw4Impl_SetCooperativeLevel,
1268     IDirectDraw4Impl_SetDisplayMode,
1269     IDirectDraw4Impl_WaitForVerticalBlank,
1270     IDirectDraw4Impl_GetAvailableVidMem,
1271     IDirectDraw4Impl_GetSurfaceFromDC,
1272     IDirectDraw4Impl_RestoreAllSurfaces,
1273     IDirectDraw4Impl_TestCooperativeLevel,
1274     IDirectDraw4Impl_GetDeviceIdentifier
1275 };
1276
1277 /*******************************************************************************
1278  * IDirectDrawFactoryImpl_CreateDirectDraw
1279  *******************************************************************************/
1280 HRESULT WINAPI
1281 IDirectDrawFactoryImpl_CreateDirectDraw(IDirectDrawFactory* iface,
1282                                         GUID * pGUID,
1283                                         HWND hWnd,
1284                                         DWORD dwCoopLevelFlags,
1285                                         DWORD dwReserved,
1286                                         IUnknown *pUnkOuter,
1287                                         IDirectDraw **ppDirectDraw)
1288 {
1289     HRESULT hr;
1290     IDirectDrawImpl *object = NULL;
1291     IDirectDraw *parent = NULL;
1292
1293     TRACE("(%p)->(%s,%p,0x%08x,0x%08x,%p,%p)\n", iface, debugstr_guid(pGUID), hWnd, dwCoopLevelFlags,
1294           dwReserved, pUnkOuter, ppDirectDraw);
1295
1296     if(pUnkOuter)
1297     {
1298         FIXME("Implement aggregation in ddrawex's IDirectDraw interface\n");
1299     }
1300
1301     object = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*object));
1302     if(!object)
1303     {
1304         ERR("Out of memory\n");
1305         hr = E_OUTOFMEMORY;
1306         goto err;
1307     }
1308     object->ref = 1;
1309     object->IDirectDraw_iface.lpVtbl = &IDirectDraw1_Vtbl;
1310     object->IDirectDraw2_iface.lpVtbl = &IDirectDraw2_Vtbl;
1311     object->IDirectDraw3_iface.lpVtbl = &IDirectDraw3_Vtbl;
1312     object->IDirectDraw4_iface.lpVtbl = &IDirectDraw4_Vtbl;
1313
1314     hr = DirectDrawCreate(pGUID, &parent, NULL);
1315     if (FAILED(hr)) goto err;
1316
1317     hr = IDirectDraw_QueryInterface(parent, &IID_IDirectDraw4, (void **) &object->parent);
1318     if(FAILED(hr)) goto err;
1319
1320     hr = IDirectDraw_SetCooperativeLevel(&object->IDirectDraw_iface, hWnd, dwCoopLevelFlags);
1321     if (FAILED(hr)) goto err;
1322
1323     *ppDirectDraw = &object->IDirectDraw_iface;
1324     IDirectDraw_Release(parent);
1325     return DD_OK;
1326
1327 err:
1328     if(object && object->parent) IDirectDraw4_Release(object->parent);
1329     if(parent) IDirectDraw_Release(parent);
1330     HeapFree(GetProcessHeap(), 0, object);
1331     *ppDirectDraw = NULL;
1332     return hr;
1333 }
1334
1335 IDirectDraw4 *dd_get_inner(IDirectDraw4 *outer)
1336 {
1337     IDirectDrawImpl *This = impl_from_IDirectDraw4(outer);
1338
1339     if (outer->lpVtbl != &IDirectDraw4_Vtbl) return NULL;
1340     return This->parent;
1341 }