git.oblomov.eu Git - wine/blob - dlls/ddraw/surface.c

   1 /* DirectDraw Surface Implementation
   2  *
   3  * Copyright (c) 1997-2000 Marcus Meissner
   4  * Copyright (c) 1998-2000 Lionel Ulmer
   5  * Copyright (c) 2000-2001 TransGaming Technologies Inc.
   6  * Copyright (c) 2006 Stefan Dösinger
   7  *
   8  * This file contains the (internal) driver registration functions,
   9  * driver enumeration APIs and DirectDraw creation functions.
  10  *
  11  * This library is free software; you can redistribute it and/or
  12  * modify it under the terms of the GNU Lesser General Public
  13  * License as published by the Free Software Foundation; either
  14  * version 2.1 of the License, or (at your option) any later version.
  15  *
  16  * This library is distributed in the hope that it will be useful,
  17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  19  * Lesser General Public License for more details.
  20  *
  21  * You should have received a copy of the GNU Lesser General Public
  22  * License along with this library; if not, write to the Free Software
  23  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  24  */
  25
  26 #include "config.h"
  27 #include "wine/port.h"
  28
  29 #include <assert.h>
  30 #include <stdarg.h>
  31 #include <string.h>
  32 #include <stdlib.h>
  33
  34 #define COBJMACROS
  35 #define NONAMELESSUNION
  36
  37 #include "windef.h"
  38 #include "winbase.h"
  39 #include "winerror.h"
  40 #include "wingdi.h"
  41 #include "wine/exception.h"
  42
  43 #include "ddraw.h"
  44 #include "d3d.h"
  45
  46 #include "ddraw_private.h"
  47 #include "wine/debug.h"
  48
  49 WINE_DEFAULT_DEBUG_CHANNEL(ddraw);
  50
  51 /*****************************************************************************
  52  * IUnknown parts follow
  53  *****************************************************************************/
  54
  55 /*****************************************************************************
  56  * IDirectDrawSurface7::QueryInterface
  57  *
  58  * A normal QueryInterface implementation. For QueryInterface rules
  59  * see ddraw.c, IDirectDraw7::QueryInterface. This method
  60  * can Query IDirectDrawSurface interfaces in all version, IDirect3DTexture
  61  * in all versions, the IDirectDrawGammaControl interface and it can
  62  * create an IDirect3DDevice. (Uses IDirect3D7::CreateDevice)
  63  *
  64  * Params:
  65  *  riid: The interface id queried for
  66  *  obj: Address to write the pointer to
  67  *
  68  * Returns:
  69  *  S_OK on success
  70  *  E_NOINTERFACE if the requested interface wasn't found
  71  *
  72  *****************************************************************************/
  73 static HRESULT WINAPI
  74 IDirectDrawSurfaceImpl_QueryInterface(IDirectDrawSurface7 *iface,
  75                                       REFIID riid,
  76                                       void **obj)
  77 {
  78     ICOM_THIS_FROM(IDirectDrawSurfaceImpl, IDirectDrawSurface7, iface);
  79
  80     /* According to COM docs, if the QueryInterface fails, obj should be set to NULL */
  81     *obj = NULL;
  82
  83     if(!riid)
  84         return DDERR_INVALIDPARAMS;
  85
  86     TRACE("(%p)->(%s,%p)\n",This,debugstr_guid(riid),obj);
  87     if (IsEqualGUID(riid, &IID_IUnknown)
  88      || IsEqualGUID(riid, &IID_IDirectDrawSurface7)
  89      || IsEqualGUID(riid, &IID_IDirectDrawSurface4) )
  90     {
  91         IUnknown_AddRef(iface);
  92         *obj = ICOM_INTERFACE(This, IDirectDrawSurface7);
  93         TRACE("(%p) returning IDirectDrawSurface7 interface at %p\n", This, *obj);
  94         return S_OK;
  95     }
  96     else if( IsEqualGUID(riid, &IID_IDirectDrawSurface3)
  97           || IsEqualGUID(riid, &IID_IDirectDrawSurface2)
  98           || IsEqualGUID(riid, &IID_IDirectDrawSurface) )
  99     {
 100         IUnknown_AddRef(iface);
 101         *obj = ICOM_INTERFACE(This, IDirectDrawSurface3);
 102         TRACE("(%p) returning IDirectDrawSurface3 interface at %p\n", This, *obj);
 103         return S_OK;
 104     }
 105     else if( IsEqualGUID(riid, &IID_IDirectDrawGammaControl) )
 106     {
 107         IUnknown_AddRef(iface);
 108         *obj = ICOM_INTERFACE(This, IDirectDrawGammaControl);
 109         TRACE("(%p) returning IDirectDrawGammaControl interface at %p\n", This, *obj);
 110         return S_OK;
 111     }
 112     else if( IsEqualGUID(riid, &IID_D3DDEVICE_WineD3D) ||
 113              IsEqualGUID(riid, &IID_IDirect3DHALDevice) )
 114     {
 115         IDirect3DDevice7 *d3d;
 116
 117         /* Call into IDirect3D7 for creation */
 118         IDirect3D7_CreateDevice(ICOM_INTERFACE(This->ddraw, IDirect3D7),
 119                                 riid,
 120                                 ICOM_INTERFACE(This, IDirectDrawSurface7),
 121                                 &d3d);
 122
 123         *obj = COM_INTERFACE_CAST(IDirect3DDeviceImpl, IDirect3DDevice7, IDirect3DDevice, d3d);
 124         TRACE("(%p) Returning IDirect3DDevice interface at %p\n", This, *obj);
 125
 126         return S_OK;
 127     }
 128     else if (IsEqualGUID( &IID_IDirect3DTexture, riid ) ||
 129              IsEqualGUID( &IID_IDirect3DTexture2, riid ))
 130     {
 131         if (IsEqualGUID( &IID_IDirect3DTexture, riid ))
 132         {
 133             *obj = ICOM_INTERFACE(This, IDirect3DTexture);
 134             TRACE(" returning Direct3DTexture interface at %p.\n", *obj);
 135         }
 136         else
 137         {
 138             *obj = ICOM_INTERFACE(This, IDirect3DTexture2);
 139             TRACE(" returning Direct3DTexture2 interface at %p.\n", *obj);
 140         }
 141         IUnknown_AddRef( (IUnknown *) *obj);
 142         return S_OK;
 143     }
 144
 145     ERR("No interface\n");
 146     return E_NOINTERFACE;
 147 }
 148
 149 /*****************************************************************************
 150  * IDirectDrawSurface7::AddRef
 151  *
 152  * A normal addref implementation
 153  *
 154  * Returns:
 155  *  The new refcount
 156  *
 157  *****************************************************************************/
 158 static ULONG WINAPI
 159 IDirectDrawSurfaceImpl_AddRef(IDirectDrawSurface7 *iface)
 160 {
 161     ICOM_THIS_FROM(IDirectDrawSurfaceImpl, IDirectDrawSurface7, iface);
 162     ULONG refCount = InterlockedIncrement(&This->ref);
 163
 164     TRACE("(%p) : AddRef increasing from %d\n", This, refCount - 1);
 165     return refCount;
 166 }
 167
 168 /*****************************************************************************
 169  * IDirectDrawSurfaceImpl_Destroy
 170  *
 171  * A helper function for IDirectDrawSurface7::Release
 172  *
 173  * Frees the surface, regardless of its refcount.
 174  *  See IDirectDrawSurface7::Release for more information
 175  *
 176  * Params:
 177  *  This: Surface to free
 178  *
 179  *****************************************************************************/
 180 static void IDirectDrawSurfaceImpl_Destroy(IDirectDrawSurfaceImpl *This)
 181 {
 182     TRACE("(%p)\n", This);
 183
 184     /* Check the refcount and give a warning */
 185     if(This->ref > 1)
 186     {
 187         /* This can happen when a complex surface is destroyed,
 188          * because the 2nd surface was addref()ed when the app
 189          * called GetAttachedSurface
 190          */
 191         WARN("(%p): Destroying surface with refount %d\n", This, This->ref);
 192     }
 193
 194     /* Check for attached surfaces and detach them */
 195     if(This->first_attached != This)
 196     {
 197         /* Well, this shouldn't happen: The surface being attached is addref()ed
 198           * in AddAttachedSurface, so it shouldn't be released until DeleteAttachedSurface
 199           * is called, because the refcount is held. It looks like the app released()
 200           * it often enough to force this
 201           */
 202         IDirectDrawSurface7 *root = ICOM_INTERFACE(This->first_attached, IDirectDrawSurface7);
 203         IDirectDrawSurface7 *detach = ICOM_INTERFACE(This, IDirectDrawSurface7);
 204
 205         FIXME("(%p) Freeing a surface that is attached to surface %p\n", This, This->first_attached);
 206
 207         /* The refcount will drop to -1 here */
 208         if(IDirectDrawSurface7_DeleteAttachedSurface(root, 0, detach) != DD_OK)
 209         {
 210             ERR("(%p) DeleteAttachedSurface failed!\n", This);
 211         }
 212     }
 213
 214     while(This->next_attached != NULL)
 215     {
 216         IDirectDrawSurface7 *root = ICOM_INTERFACE(This, IDirectDrawSurface7);
 217         IDirectDrawSurface7 *detach = ICOM_INTERFACE(This->next_attached, IDirectDrawSurface7);
 218
 219         if(IDirectDrawSurface7_DeleteAttachedSurface(root, 0, detach) != DD_OK)
 220         {
 221             ERR("(%p) DeleteAttachedSurface failed!\n", This);
 222             assert(0);
 223         }
 224     }
 225
 226     /* Now destroy the surface. Wait: It could have been released if we are a texture */
 227     if(This->WineD3DSurface)
 228         IWineD3DSurface_Release(This->WineD3DSurface);
 229
 230     /* Having a texture handle set implies that the device still exists */
 231     if(This->Handle)
 232     {
 233         This->ddraw->d3ddevice->Handles[This->Handle - 1].ptr = NULL;
 234         This->ddraw->d3ddevice->Handles[This->Handle - 1].type = DDrawHandle_Unknown;
 235     }
 236
 237     /* Reduce the ddraw surface count */
 238     InterlockedDecrement(&This->ddraw->surfaces);
 239     list_remove(&This->surface_list_entry);
 240
 241     HeapFree(GetProcessHeap(), 0, This);
 242 }
 243
 244 /*****************************************************************************
 245  * IDirectDrawSurface7::Release
 246  *
 247  * Reduces the surface's refcount by 1. If the refcount falls to 0, the
 248  * surface is destroyed.
 249  *
 250  * Destroying the surface is a bit tricky. For the connection between
 251  * WineD3DSurfaces and DirectDrawSurfaces see IDirectDraw7::CreateSurface
 252  * It has a nice graph explaining the connection.
 253  *
 254  * What happens here is basically this:
 255  * When a surface is destroyed, its WineD3DSurface is released,
 256  * and the refcount of the DirectDraw interface is reduced by 1. If it has
 257  * complex surfaces attached to it, then these surfaces are destroyed too,
 258  * regardless of their refcount. If any surface being destroyed has another
 259  * surface attached to it (with a "soft" attachment, not complex), then
 260  * this surface is detached with DeleteAttachedSurface.
 261  *
 262  * When the surface is a texture, the WineD3DTexture is released.
 263  * If the surface is the Direct3D render target, then the D3D
 264  * capabilities of the WineD3DDevice are uninitialized, which causes the
 265  * swapchain to be released.
 266  *
 267  * When a complex sublevel falls to ref zero, then this is ignored.
 268  *
 269  * Returns:
 270  *  The new refcount
 271  *
 272  *****************************************************************************/
 273 static ULONG WINAPI
 274 IDirectDrawSurfaceImpl_Release(IDirectDrawSurface7 *iface)
 275 {
 276     ICOM_THIS_FROM(IDirectDrawSurfaceImpl, IDirectDrawSurface7, iface);
 277     ULONG ref;
 278     TRACE("(%p) : Releasing from %d\n", This, This->ref);
 279     ref = InterlockedDecrement(&This->ref);
 280
 281     if (ref == 0)
 282     {
 283
 284         IDirectDrawSurfaceImpl *surf;
 285         IDirectDrawImpl *ddraw;
 286         IUnknown *ifaceToRelease = This->ifaceToRelease;
 287         int i;
 288
 289         /* Complex attached surfaces are destroyed implicitely when the root is released */
 290         if(!This->is_complex_root)
 291         {
 292             WARN("(%p) Attempt to destroy a surface that is not a complex root\n", This);
 293             return ref;
 294         }
 295         ddraw = This->ddraw;
 296
 297         /* If it's a texture, destroy the WineD3DTexture.
 298          * WineD3D will destroy the IParent interfaces
 299          * of the sublevels, which destroys the WineD3DSurfaces.
 300          * Set the surfaces to NULL to avoid destroying them again later
 301          */
 302         if(This->wineD3DTexture)
 303         {
 304             IWineD3DBaseTexture_Release(This->wineD3DTexture);
 305         }
 306         /* If it's the RenderTarget, destroy the d3ddevice */
 307         else if( (ddraw->d3d_initialized) && (This == ddraw->d3d_target))
 308         {
 309             TRACE("(%p) Destroying the render target, uninitializing D3D\n", This);
 310
 311             /* Unset any index buffer, just to be sure */
 312             IWineD3DDevice_SetIndices(ddraw->wineD3DDevice, NULL, 0);
 313             IWineD3DDevice_SetDepthStencilSurface(ddraw->wineD3DDevice, NULL);
 314
 315             if(IWineD3DDevice_Uninit3D(ddraw->wineD3DDevice, D3D7CB_DestroyDepthStencilSurface, D3D7CB_DestroySwapChain) != D3D_OK)
 316             {
 317                 /* Not good */
 318                 ERR("(%p) Failed to uninit 3D\n", This);
 319             }
 320             else
 321             {
 322                 /* Free the d3d window if one was created */
 323                 if(ddraw->d3d_window != 0)
 324                 {
 325                     TRACE(" (%p) Destroying the hidden render window %p\n", This, ddraw->d3d_window);
 326                     DestroyWindow(ddraw->d3d_window);
 327                     ddraw->d3d_window = 0;
 328                 }
 329                 /* Unset the pointers */
 330             }
 331
 332             ddraw->d3d_initialized = FALSE;
 333             ddraw->d3d_target = NULL;
 334
 335             /* Write a trace because D3D unloading was the reason for many
 336              * crashes during development.
 337              */
 338             TRACE("(%p) D3D unloaded\n", This);
 339         }
 340         else if(This->surface_desc.ddsCaps.dwCaps & (DDSCAPS_PRIMARYSURFACE |
 341                                                      DDSCAPS_3DDEVICE       |
 342                                                      DDSCAPS_TEXTURE        ) )
 343         {
 344             /* It's a render target, but no swapchain was created.
 345              * The IParent interfaces have to be released manually.
 346              * The same applies for textures without an
 347              * IWineD3DTexture object attached
 348              */
 349             IParent *Parent;
 350
 351             for(i = 0; i < MAX_COMPLEX_ATTACHED; i++)
 352             {
 353                 if(This->complex_array[i])
 354                 {
 355                     /* Only the topmost level can have more than 1 surfaces in the complex
 356                      * attachment array(Cube texture roots), for all others there is only
 357                      * one
 358                      */
 359                     surf = This->complex_array[i];
 360                     while(surf)
 361                     {
 362                         IWineD3DSurface_GetParent(surf->WineD3DSurface,
 363                                                   (IUnknown **) &Parent);
 364                         IParent_Release(Parent);  /* For the getParent */
 365                         IParent_Release(Parent);  /* To release it */
 366                         surf = surf->complex_array[0];
 367                     }
 368                 }
 369             }
 370
 371             /* Now the top-level surface */
 372             IWineD3DSurface_GetParent(This->WineD3DSurface,
 373                                       (IUnknown **) &Parent);
 374             IParent_Release(Parent);  /* For the getParent */
 375             IParent_Release(Parent);  /* To release it */
 376         }
 377
 378         /* The refcount test shows that the palette is detached when the surface is destroyed */
 379         IDirectDrawSurface7_SetPalette(ICOM_INTERFACE(This, IDirectDrawSurface7),
 380                                                       NULL);
 381
 382         /* Loop through all complex attached surfaces,
 383          * and destroy them.
 384          *
 385          * Yet again, only the root can have more than one complexly attached surface, all the others
 386          * have a total of one;
 387          */
 388         for(i = 0; i < MAX_COMPLEX_ATTACHED; i++)
 389         {
 390             if(!This->complex_array[i]) break;
 391
 392             surf = This->complex_array[i];
 393             This->complex_array[i] = NULL;
 394             while(surf)
 395             {
 396                 IDirectDrawSurfaceImpl *destroy = surf;
 397                 surf = surf->complex_array[0];              /* Iterate through the "tree" */
 398                 IDirectDrawSurfaceImpl_Destroy(destroy);    /* Destroy it */
 399             }
 400         }
 401
 402         /* Destroy the root surface.
 403          */
 404         IDirectDrawSurfaceImpl_Destroy(This);
 405
 406         /* Reduce the ddraw refcount */
 407         if(ifaceToRelease) IUnknown_Release(ifaceToRelease);
 408     }
 409
 410     return ref;
 411 }
 412
 413 /*****************************************************************************
 414  * IDirectDrawSurface7::GetAttachedSurface
 415  *
 416  * Returns an attached surface with the requested caps. Surface attachment
 417  * and complex surfaces are not clearly described by the MSDN or sdk,
 418  * so this method is tricky and likely to contain problems.
 419  * This implementation searches the complex list first, then the
 420  * attachment chain.
 421  *
 422  * The chains are searched from This down to the last surface in the chain,
 423  * not from the first element in the chain. The first surface found is
 424  * returned. The MSDN says that this method fails if more than one surface
 425  * matches the caps, but it is not sure if that is right. The attachment
 426  * structure may not even allow two matching surfaces.
 427  *
 428  * The found surface is AddRef-ed before it is returned.
 429  *
 430  * Params:
 431  *  Caps: Pointer to a DDCAPS2 structure describing the caps asked for
 432  *  Surface: Address to store the found surface
 433  *
 434  * Returns:
 435  *  DD_OK on success
 436  *  DDERR_INVALIDPARAMS if Caps or Surface is NULL
 437  *  DDERR_NOTFOUND if no surface was found
 438  *
 439  *****************************************************************************/
 440 static HRESULT WINAPI
 441 IDirectDrawSurfaceImpl_GetAttachedSurface(IDirectDrawSurface7 *iface,
 442                                           DDSCAPS2 *Caps,
 443                                           IDirectDrawSurface7 **Surface)
 444 {
 445     ICOM_THIS_FROM(IDirectDrawSurfaceImpl, IDirectDrawSurface7, iface);
 446     IDirectDrawSurfaceImpl *surf;
 447     DDSCAPS2 our_caps;
 448     int i;
 449
 450     TRACE("(%p)->(%p,%p)\n", This, Caps, Surface);
 451
 452     our_caps = *Caps;
 453
 454     if(This->version < 7)
 455     {
 456         /* Earlier dx apps put garbage into these members, clear them */
 457         our_caps.dwCaps2 = 0;
 458         our_caps.dwCaps3 = 0;
 459         our_caps.dwCaps4 = 0;
 460     }
 461
 462     TRACE("(%p): Looking for caps: %x,%x,%x,%x\n", This, our_caps.dwCaps, our_caps.dwCaps2, our_caps.dwCaps3, our_caps.dwCaps4); /* FIXME: Better debugging */
 463
 464     for(i = 0; i < MAX_COMPLEX_ATTACHED; i++)
 465     {
 466         surf = This->complex_array[i];
 467         if(!surf) break;
 468
 469         if (TRACE_ON(ddraw))
 470         {
 471             TRACE("Surface: (%p) caps: %x,%x,%x,%x\n", surf,
 472                    surf->surface_desc.ddsCaps.dwCaps,
 473                    surf->surface_desc.ddsCaps.dwCaps2,
 474                    surf->surface_desc.ddsCaps.dwCaps3,
 475                    surf->surface_desc.ddsCaps.dwCaps4);
 476         }
 477
 478         if (((surf->surface_desc.ddsCaps.dwCaps & our_caps.dwCaps) == our_caps.dwCaps) &&
 479             ((surf->surface_desc.ddsCaps.dwCaps2 & our_caps.dwCaps2) == our_caps.dwCaps2)) {
 480
 481             /* MSDN: "This method fails if more than one surface is attached
 482              * that matches the capabilities requested."
 483              *
 484              * Not sure how to test this.
 485              */
 486
 487             TRACE("(%p): Returning surface %p\n", This, surf);
 488             TRACE("(%p): mipmapcount=%d\n", This, surf->mipmap_level);
 489             *Surface = ICOM_INTERFACE(surf, IDirectDrawSurface7);
 490             IDirectDrawSurface7_AddRef(*Surface);
 491             return DD_OK;
 492         }
 493     }
 494
 495     /* Next, look at the attachment chain */
 496     surf = This;
 497
 498     while( (surf = surf->next_attached) )
 499     {
 500         if (TRACE_ON(ddraw))
 501         {
 502             TRACE("Surface: (%p) caps: %x,%x,%x,%x\n", surf,
 503                    surf->surface_desc.ddsCaps.dwCaps,
 504                    surf->surface_desc.ddsCaps.dwCaps2,
 505                    surf->surface_desc.ddsCaps.dwCaps3,
 506                    surf->surface_desc.ddsCaps.dwCaps4);
 507         }
 508
 509         if (((surf->surface_desc.ddsCaps.dwCaps & our_caps.dwCaps) == our_caps.dwCaps) &&
 510             ((surf->surface_desc.ddsCaps.dwCaps2 & our_caps.dwCaps2) == our_caps.dwCaps2)) {
 511
 512             TRACE("(%p): Returning surface %p\n", This, surf);
 513             *Surface = ICOM_INTERFACE(surf, IDirectDrawSurface7);
 514             IDirectDrawSurface7_AddRef(*Surface);
 515             return DD_OK;
 516         }
 517     }
 518
 519     TRACE("(%p) Didn't find a valid surface\n", This);
 520     return DDERR_NOTFOUND;
 521 }
 522
 523 /*****************************************************************************
 524  * IDirectDrawSurface7::Lock
 525  *
 526  * Locks the surface and returns a pointer to the surface's memory
 527  *
 528  * Params:
 529  *  Rect: Rectangle to lock. If NULL, the whole surface is locked
 530  *  DDSD: Pointer to a DDSURFACEDESC2 which shall receive the surface's desc.
 531  *  Flags: Locking flags, e.g Read only or write only
 532  *  h: An event handle that's not used and must be NULL
 533  *
 534  * Returns:
 535  *  DD_OK on success
 536  *  DDERR_INVALIDPARAMS if DDSD is NULL
 537  *  For more details, see IWineD3DSurface::LockRect
 538  *
 539  *****************************************************************************/
 540 static HRESULT WINAPI
 541 IDirectDrawSurfaceImpl_Lock(IDirectDrawSurface7 *iface,
 542                             RECT *Rect,
 543                             DDSURFACEDESC2 *DDSD,
 544                             DWORD Flags,
 545                             HANDLE h)
 546 {
 547     ICOM_THIS_FROM(IDirectDrawSurfaceImpl, IDirectDrawSurface7, iface);
 548     WINED3DLOCKED_RECT LockedRect;
 549     HRESULT hr;
 550     TRACE("(%p)->(%p,%p,%x,%p)\n", This, Rect, DDSD, Flags, h);
 551
 552     if (Rect)
 553     {
 554         if ((Rect->left < 0)
 555                 || (Rect->top < 0)
 556                 || (Rect->left > Rect->right)
 557                 || (Rect->top > Rect->bottom)
 558                 || (Rect->right > This->surface_desc.dwWidth)
 559                 || (Rect->bottom > This->surface_desc.dwHeight))
 560         {
 561             WARN("Trying to lock an invalid rectangle, returning DDERR_INVALIDPARAMS\n");
 562             return DDERR_INVALIDPARAMS;
 563         }
 564     }
 565
 566     if(!DDSD)
 567         return DDERR_INVALIDPARAMS;
 568
 569     /* Should I check for the handle to be NULL?
 570      *
 571      * The DDLOCK flags and the D3DLOCK flags are equal
 572      * for the supported values. The others are ignored by WineD3D
 573      */
 574
 575     /* Hmm. Anarchy online passes an uninitialized surface descriptor,
 576      * that means it doesn't have dwSize set. Init it to some sane
 577      * value
 578      */
 579     if(DDSD->dwSize <= sizeof(DDSURFACEDESC))
 580     {
 581         DDSD->dwSize = sizeof(DDSURFACEDESC);
 582     }
 583     else
 584     {
 585         DDSD->dwSize = sizeof(DDSURFACEDESC2);
 586     }
 587
 588     DD_STRUCT_COPY_BYSIZE(DDSD,&(This->surface_desc));
 589     hr = IWineD3DSurface_LockRect(This->WineD3DSurface,
 590                                   &LockedRect,
 591                                   Rect,
 592                                   Flags);
 593     if(hr != D3D_OK) return hr;
 594
 595     /* Override the memory area. The pitch should be set already. Strangely windows
 596      * does not set the LPSURFACE flag on locked surfaces !?!.
 597      * DDSD->dwFlags |= DDSD_LPSURFACE;
 598      */
 599     DDSD->lpSurface = LockedRect.pBits;
 600
 601     TRACE("locked surface returning description :\n");
 602     if (TRACE_ON(ddraw)) DDRAW_dump_surface_desc(DDSD);
 603
 604     return DD_OK;
 605 }
 606
 607 /*****************************************************************************
 608  * IDirectDrawSurface7::Unlock
 609  *
 610  * Unlocks an locked surface
 611  *
 612  * Params:
 613  *  Rect: Not used by this implementation
 614  *
 615  * Returns:
 616  *  D3D_OK on success
 617  *  For more details, see IWineD3DSurface::UnlockRect
 618  *
 619  *****************************************************************************/
 620 static HRESULT WINAPI
 621 IDirectDrawSurfaceImpl_Unlock(IDirectDrawSurface7 *iface,
 622                               RECT *pRect)
 623 {
 624     ICOM_THIS_FROM(IDirectDrawSurfaceImpl, IDirectDrawSurface7, iface);
 625     TRACE("(%p)->(%p)\n", This, pRect);
 626
 627     return IWineD3DSurface_UnlockRect(This->WineD3DSurface);
 628 }
 629
 630 /*****************************************************************************
 631  * IDirectDrawSurface7::Flip
 632  *
 633  * Flips a surface with the DDSCAPS_FLIP flag. The flip is relayed to
 634  * IWineD3DSurface::Flip. Because WineD3D doesn't handle attached surfaces,
 635  * the flip target is passed to WineD3D, even if the app didn't specify one
 636  *
 637  * Params:
 638  *  DestOverride: Specifies the surface that will become the new front
 639  *                buffer. If NULL, the current back buffer is used
 640  *  Flags: some DirectDraw flags, see include/ddraw.h
 641  *
 642  * Returns:
 643  *  DD_OK on success
 644  *  DDERR_NOTFLIPPABLE if no flip target could be found
 645  *  DDERR_INVALIDOBJECT if the surface isn't a front buffer
 646  *  For more details, see IWineD3DSurface::Flip
 647  *
 648  *****************************************************************************/
 649 static HRESULT WINAPI
 650 IDirectDrawSurfaceImpl_Flip(IDirectDrawSurface7 *iface,
 651                             IDirectDrawSurface7 *DestOverride,
 652                             DWORD Flags)
 653 {
 654     ICOM_THIS_FROM(IDirectDrawSurfaceImpl, IDirectDrawSurface7, iface);
 655     IDirectDrawSurfaceImpl *Override = ICOM_OBJECT(IDirectDrawSurfaceImpl, IDirectDrawSurface7, DestOverride);
 656     IDirectDrawSurface7 *Override7;
 657     HRESULT hr;
 658     TRACE("(%p)->(%p,%x)\n", This, DestOverride, Flags);
 659
 660     /* Flip has to be called from a front buffer
 661      * What about overlay surfaces, AFAIK they can flip too?
 662      */
 663     if( !(This->surface_desc.ddsCaps.dwCaps & DDSCAPS_FRONTBUFFER) )
 664         return DDERR_INVALIDOBJECT; /* Unckecked */
 665
 666     /* WineD3D doesn't keep track of attached surface, so find the target */
 667     if(!Override)
 668     {
 669         DDSCAPS2 Caps;
 670
 671         memset(&Caps, 0, sizeof(Caps));
 672         Caps.dwCaps |= DDSCAPS_BACKBUFFER;
 673         hr = IDirectDrawSurface7_GetAttachedSurface(iface, &Caps, &Override7);
 674         if(hr != DD_OK)
 675         {
 676             ERR("Can't find a flip target\n");
 677             return DDERR_NOTFLIPPABLE; /* Unchecked */
 678         }
 679         Override = ICOM_OBJECT(IDirectDrawSurfaceImpl, IDirectDrawSurface7, Override7);
 680
 681         /* For the GetAttachedSurface */
 682         IDirectDrawSurface7_Release(Override7);
 683     }
 684
 685     return  IWineD3DSurface_Flip(This->WineD3DSurface,
 686                                  Override->WineD3DSurface,
 687                                  Flags);
 688 }
 689
 690 /*****************************************************************************
 691  * IDirectDrawSurface7::Blt
 692  *
 693  * Performs a blit on the surface
 694  *
 695  * Params:
 696  *  DestRect: Destination rectangle, can be NULL
 697  *  SrcSurface: Source surface, can be NULL
 698  *  SrcRect: Source rectange, can be NULL
 699  *  Flags: Blt flags
 700  *  DDBltFx: Some extended blt parameters, connected to the flags
 701  *
 702  * Returns:
 703  *  D3D_OK on success
 704  *  See IWineD3DSurface::Blt for more details
 705  *
 706  *****************************************************************************/
 707 static HRESULT WINAPI
 708 IDirectDrawSurfaceImpl_Blt(IDirectDrawSurface7 *iface,
 709                            RECT *DestRect,
 710                            IDirectDrawSurface7 *SrcSurface,
 711                            RECT *SrcRect,
 712                            DWORD Flags,
 713                            DDBLTFX *DDBltFx)
 714 {
 715     ICOM_THIS_FROM(IDirectDrawSurfaceImpl, IDirectDrawSurface7, iface);
 716     HRESULT hr;
 717     IDirectDrawSurfaceImpl *Src = ICOM_OBJECT(IDirectDrawSurfaceImpl, IDirectDrawSurface7, SrcSurface);
 718     TRACE("(%p)->(%p,%p,%p,%x,%p)\n", This, DestRect, Src, SrcRect, Flags, DDBltFx);
 719
 720     /* Check for validity of the flags here. WineD3D Has the software-opengl selection path and would have
 721      * to check at 2 places, and sometimes do double checks. This also saves the call to wined3d :-)
 722      */
 723     if((Flags & DDBLT_KEYSRCOVERRIDE) && (!DDBltFx || Flags & DDBLT_KEYSRC)) {
 724         WARN("Invalid source color key parameters, returning DDERR_INVALIDPARAMS\n");
 725         return DDERR_INVALIDPARAMS;
 726     }
 727
 728     if((Flags & DDBLT_KEYDESTOVERRIDE) && (!DDBltFx || Flags & DDBLT_KEYDEST)) {
 729         WARN("Invalid destination color key parameters, returning DDERR_INVALIDPARAMS\n");
 730         return DDERR_INVALIDPARAMS;
 731     }
 732
 733     if(Flags & DDBLT_KEYSRC && (!Src || !(Src->surface_desc.dwFlags & DDSD_CKSRCBLT))) {
 734         WARN("DDBLT_KEYDEST blit without color key in surface, returning DDERR_INVALIDPARAMS\n");
 735         return DDERR_INVALIDPARAMS;
 736     }
 737
 738     /* TODO: Check if the DDBltFx contains any ddraw surface pointers. If it does, copy the struct,
 739      * and replace the ddraw surfaces with the wined3d surfaces
 740      * So far no blitting operations using surfaces in the bltfx struct are supported anyway.
 741      */
 742     hr = IWineD3DSurface_Blt(This->WineD3DSurface,
 743                              DestRect,
 744                              Src ? Src->WineD3DSurface : NULL,
 745                              SrcRect,
 746                              Flags,
 747                              (WINEDDBLTFX *) DDBltFx,
 748                              WINED3DTEXF_NONE);
 749     switch(hr)
 750     {
 751         case WINED3DERR_NOTAVAILABLE:       return DDERR_UNSUPPORTED;
 752         case WINED3DERR_WRONGTEXTUREFORMAT: return DDERR_INVALIDPIXELFORMAT;
 753         default:                            return hr;
 754     }
 755 }
 756
 757 /*****************************************************************************
 758  * IDirectDrawSurface7::AddAttachedSurface
 759  *
 760  * Attaches a surface to another surface. How the surface attachments work
 761  * is not totally understood yet, and this method is prone to problems.
 762  * he surface that is attached is AddRef-ed.
 763  *
 764  * Tests with complex surfaces suggest that the surface attachments form a
 765  * tree, but no method to test this has been found yet.
 766  *
 767  * The attachment list consists of a first surface (first_attached) and
 768  * for each surface a pointer to the next attached surface (next_attached).
 769  * For the first surface, and a surface that has no attachments
 770  * first_attached points to the surface itself. A surface that has
 771  * no successors in the chain has next_attached set to NULL.
 772  *
 773  * Newly attached surfaces are attached right after the root surface.
 774  * If a surface is attached to a complex surface compound, it's attached to
 775  * the surface that the app requested, not the complex root. See
 776  * GetAttachedSurface for a description how surfaces are found.
 777  *
 778  * This is how the current implementation works, and it was coded by looking
 779  * at the needs of the applications.
 780  *
 781  * So far only Z-Buffer attachments are tested, and they are activated in
 782  * WineD3D. Mipmaps could be tricky to activate in WineD3D.
 783  * Back buffers should work in 2D mode, but they are not tested(Not sure if
 784  * they can be attached at all). Rendering to the primary surface and
 785  * switching between that and double buffering is not yet implemented in
 786  * WineD3D, so for 3D it might have unexpected results.
 787  *
 788  * Params:
 789  *  Attach: Surface to attach to iface
 790  *
 791  * Returns:
 792  *  DD_OK on success
 793  *  DDERR_CANNOTATTACHSURFACE if the surface can't be attached for some reason
 794  *
 795  *****************************************************************************/
 796 static HRESULT WINAPI
 797 IDirectDrawSurfaceImpl_AddAttachedSurface(IDirectDrawSurface7 *iface,
 798                                           IDirectDrawSurface7 *Attach)
 799 {
 800     ICOM_THIS_FROM(IDirectDrawSurfaceImpl, IDirectDrawSurface7, iface);
 801     IDirectDrawSurfaceImpl *Surf = ICOM_OBJECT(IDirectDrawSurfaceImpl, IDirectDrawSurface7, Attach);
 802     TRACE("(%p)->(%p)\n", This, Surf);
 803
 804     /* Should I make sure to add it to the first complex surface? */
 805
 806     if(Surf == This)
 807         return DDERR_CANNOTATTACHSURFACE; /* unchecked */
 808
 809     /* MSDN: Only Z buffer surfaces can be attached. An old comment said that apparently
 810      * mipmaps and back buffers can be attached too, although our tests say no.
 811      */
 812     if(!(Surf->surface_desc.ddsCaps.dwCaps & DDSCAPS_ZBUFFER))
 813     {
 814         /* Write a fixme until we know for sure what is going on */
 815         FIXME("Application tries to attach a non Z buffer surface. caps %08x\n",
 816               Surf->surface_desc.ddsCaps.dwCaps);
 817         return DDERR_CANNOTATTACHSURFACE;
 818     }
 819
 820     /* Set MIPMAPSUBLEVEL if this seems to be one */
 821     if (This->surface_desc.ddsCaps.dwCaps &
 822         Surf->surface_desc.ddsCaps.dwCaps & DDSCAPS_MIPMAP)
 823     {
 824         Surf->surface_desc.ddsCaps.dwCaps2 |= DDSCAPS2_MIPMAPSUBLEVEL;
 825         /* FIXME: we should probably also add to dwMipMapCount of this
 826           * and all parent surfaces (update create_texture if you do) */
 827     }
 828
 829     /* Check if the surface is already attached somewhere */
 830     if( (Surf->next_attached != NULL) ||
 831         (Surf->first_attached != Surf) )
 832     {
 833          ERR("(%p) The Surface %p is already attached somewhere else: next_attached = %p, first_attached = %p, can't handle by now\n", This, Surf, Surf->next_attached, Surf->first_attached);
 834         return DDERR_CANNOTATTACHSURFACE;
 835     }
 836
 837     /* This inserts the new surface at the 2nd position in the chain, right after the root surface */
 838     Surf->next_attached = This->next_attached;
 839     Surf->first_attached = This->first_attached;
 840     This->next_attached = Surf;
 841
 842     /* Check if the WineD3D depth stencil needs updating */
 843     if(This->ddraw->d3ddevice)
 844     {
 845         IDirect3DDeviceImpl_UpdateDepthStencil(This->ddraw->d3ddevice);
 846     }
 847
 848     /* MSDN:
 849      * "This method increments the reference count of the surface being attached."
 850      */
 851     IDirectDrawSurface7_AddRef(Attach);
 852     return DD_OK;
 853 }
 854
 855 /*****************************************************************************
 856  * IDirectDrawSurface7::DeleteAttachedSurface
 857  *
 858  * Removes a surface from the attachment chain. The surface's refcount
 859  * is decreased by one after it has been removed
 860  *
 861  * Params:
 862  *  Flags: Some flags, not used by this implementation
 863  *  Attach: Surface to detach
 864  *
 865  * Returns:
 866  *  DD_OK on success
 867  *  DDERR_SURFACENOTATTACHED if the surface isn't attached to
 868  *
 869  *****************************************************************************/
 870 static HRESULT WINAPI
 871 IDirectDrawSurfaceImpl_DeleteAttachedSurface(IDirectDrawSurface7 *iface,
 872                                              DWORD Flags,
 873                                              IDirectDrawSurface7 *Attach)
 874 {
 875     ICOM_THIS_FROM(IDirectDrawSurfaceImpl, IDirectDrawSurface7, iface);
 876     IDirectDrawSurfaceImpl *Surf = ICOM_OBJECT(IDirectDrawSurfaceImpl, IDirectDrawSurface7, Attach);
 877     IDirectDrawSurfaceImpl *Prev = This;
 878     TRACE("(%p)->(%08x,%p)\n", This, Flags, Surf);
 879
 880     if (!Surf || (Surf->first_attached != This) || (Surf == This) )
 881         return DDERR_SURFACENOTATTACHED; /* unchecked */
 882
 883     /* Remove MIPMAPSUBLEVEL if this seemed to be one */
 884     if (This->surface_desc.ddsCaps.dwCaps &
 885         Surf->surface_desc.ddsCaps.dwCaps & DDSCAPS_MIPMAP)
 886     {
 887         Surf->surface_desc.ddsCaps.dwCaps2 &= ~DDSCAPS2_MIPMAPSUBLEVEL;
 888         /* FIXME: we should probably also subtract from dwMipMapCount of this
 889          * and all parent surfaces */
 890     }
 891
 892     /* Find the predecessor of the detached surface */
 893     while(Prev)
 894     {
 895         if(Prev->next_attached == Surf) break;
 896         Prev = Prev->next_attached;
 897     }
 898
 899     /* There must be a surface, otherwise there's a bug */
 900     assert(Prev != NULL);
 901
 902     /* Unchain the surface */
 903     Prev->next_attached = Surf->next_attached;
 904     Surf->next_attached = NULL;
 905     Surf->first_attached = Surf;
 906
 907     /* Check if the WineD3D depth stencil needs updating */
 908     if(This->ddraw->d3ddevice)
 909     {
 910         IDirect3DDeviceImpl_UpdateDepthStencil(This->ddraw->d3ddevice);
 911     }
 912
 913     IDirectDrawSurface7_Release(Attach);
 914     return DD_OK;
 915 }
 916
 917 /*****************************************************************************
 918  * IDirectDrawSurface7::AddOverlayDirtyRect
 919  *
 920  * "This method is not currently implemented"
 921  *
 922  * Params:
 923  *  Rect: ?
 924  *
 925  * Returns:
 926  *  DDERR_UNSUPPORTED
 927  *
 928  *****************************************************************************/
 929 static HRESULT WINAPI
 930 IDirectDrawSurfaceImpl_AddOverlayDirtyRect(IDirectDrawSurface7 *iface,
 931                                            LPRECT Rect)
 932 {
 933     ICOM_THIS_FROM(IDirectDrawSurfaceImpl, IDirectDrawSurface7, iface);
 934     TRACE("(%p)->(%p)\n",This,Rect);
 935
 936     /* MSDN says it's not implemented. I could forward it to WineD3D,
 937      * then we'd implement it, but I don't think that's a good idea
 938      * (Stefan Dösinger)
 939      */
 940 #if 0
 941     return IWineD3DSurface_AddOverlayDirtyRect(This->WineD3DSurface, pRect);
 942 #endif
 943     return DDERR_UNSUPPORTED; /* unchecked */
 944 }
 945
 946 /*****************************************************************************
 947  * IDirectDrawSurface7::GetDC
 948  *
 949  * Returns a GDI device context for the surface
 950  *
 951  * Params:
 952  *  hdc: Address of a HDC variable to store the dc to
 953  *
 954  * Returns:
 955  *  DD_OK on success
 956  *  DDERR_INVALIDPARAMS if hdc is NULL
 957  *  For details, see IWineD3DSurface::GetDC
 958  *
 959  *****************************************************************************/
 960 static HRESULT WINAPI
 961 IDirectDrawSurfaceImpl_GetDC(IDirectDrawSurface7 *iface,
 962                              HDC *hdc)
 963 {
 964     ICOM_THIS_FROM(IDirectDrawSurfaceImpl, IDirectDrawSurface7, iface);
 965     TRACE("(%p)->(%p): Relay\n", This, hdc);
 966
 967     if(!hdc)
 968         return DDERR_INVALIDPARAMS;
 969
 970     return IWineD3DSurface_GetDC(This->WineD3DSurface,
 971                                  hdc);
 972 }
 973
 974 /*****************************************************************************
 975  * IDirectDrawSurface7::ReleaseDC
 976  *
 977  * Releases the DC that was constructed with GetDC
 978  *
 979  * Params:
 980  *  hdc: HDC to release
 981  *
 982  * Returns:
 983  *  DD_OK on success
 984  *  For more details, see IWineD3DSurface::ReleaseDC
 985  *
 986  *****************************************************************************/
 987 static HRESULT WINAPI
 988 IDirectDrawSurfaceImpl_ReleaseDC(IDirectDrawSurface7 *iface,
 989                                  HDC hdc)
 990 {
 991     ICOM_THIS_FROM(IDirectDrawSurfaceImpl, IDirectDrawSurface7, iface);
 992     TRACE("(%p)->(%p): Relay\n", This, hdc);
 993
 994     return IWineD3DSurface_ReleaseDC(This->WineD3DSurface, hdc);
 995 }
 996
 997 /*****************************************************************************
 998  * IDirectDrawSurface7::GetCaps
 999  *
1000  * Returns the surface's caps
1001  *
1002  * Params:
1003  *  Caps: Address to write the caps to
1004  *
1005  * Returns:
1006  *  DD_OK on success
1007  *  DDERR_INVALIDPARAMS if Caps is NULL
1008  *
1009  *****************************************************************************/
1010 static HRESULT WINAPI
1011 IDirectDrawSurfaceImpl_GetCaps(IDirectDrawSurface7 *iface,
1012                                DDSCAPS2 *Caps)
1013 {
1014     ICOM_THIS_FROM(IDirectDrawSurfaceImpl, IDirectDrawSurface7, iface);
1015     TRACE("(%p)->(%p)\n",This,Caps);
1016
1017     if(!Caps)
1018         return DDERR_INVALIDPARAMS;
1019
1020     *Caps = This->surface_desc.ddsCaps;
1021     return DD_OK;
1022 }
1023
1024 /*****************************************************************************
1025  * IDirectDrawSurface7::SetPriority
1026  *
1027  * Sets a texture priority for managed textures.
1028  *
1029  * Params:
1030  *  Priority: The new priority
1031  *
1032  * Returns:
1033  *  DD_OK on success
1034  *  For more details, see IWineD3DSurface::SetPriority
1035  *
1036  *****************************************************************************/
1037 static HRESULT WINAPI
1038 IDirectDrawSurfaceImpl_SetPriority(IDirectDrawSurface7 *iface, DWORD Priority)
1039 {
1040     ICOM_THIS_FROM(IDirectDrawSurfaceImpl, IDirectDrawSurface7, iface);
1041     TRACE("(%p)->(%d): Relay!\n",This,Priority);
1042
1043     return IWineD3DSurface_SetPriority(This->WineD3DSurface, Priority);
1044 }
1045
1046 /*****************************************************************************
1047  * IDirectDrawSurface7::GetPriority
1048  *
1049  * Returns the surface's priority
1050  *
1051  * Params:
1052  *  Priority: Address of a variable to write the priority to
1053  *
1054  * Returns:
1055  *  D3D_OK on success
1056  *  DDERR_INVALIDPARAMS if Priority == NULL
1057  *  For more details, see IWineD3DSurface::GetPriority
1058  *
1059  *****************************************************************************/
1060 static HRESULT WINAPI
1061 IDirectDrawSurfaceImpl_GetPriority(IDirectDrawSurface7 *iface,
1062                                    DWORD *Priority)
1063 {
1064     ICOM_THIS_FROM(IDirectDrawSurfaceImpl, IDirectDrawSurface7, iface);
1065     TRACE("(%p)->(%p): Relay\n",This,Priority);
1066
1067     if(!Priority)
1068         return DDERR_INVALIDPARAMS;
1069
1070     *Priority = IWineD3DSurface_GetPriority(This->WineD3DSurface);
1071     return DD_OK;
1072 }
1073
1074 /*****************************************************************************
1075  * IDirectDrawSurface7::SetPrivateData
1076  *
1077  * Stores some data in the surface that is intended for the application's
1078  * use.
1079  *
1080  * Params:
1081  *  tag: GUID that identifies the data
1082  *  Data: Pointer to the private data
1083  *  Size: Size of the private data
1084  *  Flags: Some flags
1085  *
1086  * Returns:
1087  *  D3D_OK on success
1088  *  For more details, see IWineD3DSurface::SetPrivateData
1089  *
1090  *****************************************************************************/
1091 static HRESULT WINAPI
1092 IDirectDrawSurfaceImpl_SetPrivateData(IDirectDrawSurface7 *iface,
1093                                       REFGUID tag,
1094                                       void *Data,
1095                                       DWORD Size,
1096                                       DWORD Flags)
1097 {
1098     ICOM_THIS_FROM(IDirectDrawSurfaceImpl, IDirectDrawSurface7, iface);
1099     TRACE("(%p)->(%s,%p,%d,%x): Relay\n", This, debugstr_guid(tag), Data, Size, Flags);
1100
1101     return IWineD3DSurface_SetPrivateData(This->WineD3DSurface,
1102                                           tag,
1103                                           Data,
1104                                           Size,
1105                                           Flags);
1106 }
1107
1108 /*****************************************************************************
1109  * IDirectDrawSurface7::GetPrivateData
1110  *
1111  * Returns the private data set with IDirectDrawSurface7::SetPrivateData
1112  *
1113  * Params:
1114  *  tag: GUID of the data to return
1115  *  Data: Address where to write the data to
1116  *  Size: Size of the buffer at Data
1117  *
1118  * Returns:
1119  *  DD_OK on success
1120  *  DDERR_INVALIDPARAMS if Data is NULL
1121  *  For more details, see IWineD3DSurface::GetPrivateData
1122  *
1123  *****************************************************************************/
1124 static HRESULT WINAPI
1125 IDirectDrawSurfaceImpl_GetPrivateData(IDirectDrawSurface7 *iface,
1126                                       REFGUID tag,
1127                                       void *Data,
1128                                       DWORD *Size)
1129 {
1130     ICOM_THIS_FROM(IDirectDrawSurfaceImpl, IDirectDrawSurface7, iface);
1131     TRACE("(%p)->(%s,%p,%p): Relay\n", This, debugstr_guid(tag), Data, Size);
1132
1133     if(!Data)
1134         return DDERR_INVALIDPARAMS;
1135
1136     return IWineD3DSurface_GetPrivateData(This->WineD3DSurface,
1137                                           tag,
1138                                           Data,
1139                                           Size);
1140 }
1141
1142 /*****************************************************************************
1143  * IDirectDrawSurface7::FreePrivateData
1144  *
1145  * Frees private data stored in the surface
1146  *
1147  * Params:
1148  *  tag: Tag of the data to free
1149  *
1150  * Returns:
1151  *  D3D_OK on success
1152  *  For more details, see IWineD3DSurface::FreePrivateData
1153  *
1154  *****************************************************************************/
1155 static HRESULT WINAPI
1156 IDirectDrawSurfaceImpl_FreePrivateData(IDirectDrawSurface7 *iface,
1157                                        REFGUID tag)
1158 {
1159     ICOM_THIS_FROM(IDirectDrawSurfaceImpl, IDirectDrawSurface7, iface);
1160     TRACE("(%p)->(%s): Relay\n", This, debugstr_guid(tag));
1161
1162     return IWineD3DSurface_FreePrivateData(This->WineD3DSurface, tag);
1163 }
1164
1165 /*****************************************************************************
1166  * IDirectDrawSurface7::PageLock
1167  *
1168  * Prevents a sysmem surface from being paged out
1169  *
1170  * Params:
1171  *  Flags: Not used, must be 0(unchecked)
1172  *
1173  * Returns:
1174  *  DD_OK, because it's a stub
1175  *
1176  *****************************************************************************/
1177 static HRESULT WINAPI
1178 IDirectDrawSurfaceImpl_PageLock(IDirectDrawSurface7 *iface,
1179                                 DWORD Flags)
1180 {
1181     TRACE("(%p)->(%x)\n", iface, Flags);
1182
1183     /* This is Windows memory management related - we don't need this */
1184     return DD_OK;
1185 }
1186
1187 /*****************************************************************************
1188  * IDirectDrawSurface7::PageUnlock
1189  *
1190  * Allows a sysmem surface to be paged out
1191  *
1192  * Params:
1193  *  Flags: Not used, must be 0(unckeched)
1194  *
1195  * Returns:
1196  *  DD_OK, because it's a stub
1197  *
1198  *****************************************************************************/
1199 static HRESULT WINAPI
1200 IDirectDrawSurfaceImpl_PageUnlock(IDirectDrawSurface7 *iface,
1201                                   DWORD Flags)
1202 {
1203     TRACE("(%p)->(%x)\n", iface, Flags);
1204
1205     return DD_OK;
1206 }
1207
1208 /*****************************************************************************
1209  * IDirectDrawSurface7::BltBatch
1210  *
1211  * An unimplemented function
1212  *
1213  * Params:
1214  *  ?
1215  *
1216  * Returns:
1217  *  DDERR_UNSUPPORTED
1218  *
1219  *****************************************************************************/
1220 static HRESULT WINAPI IDirectDrawSurfaceImpl_BltBatch(IDirectDrawSurface7 *iface, DDBLTBATCH *Batch, DWORD Count, DWORD Flags)
1221 {
1222     TRACE("(%p)->(%p,%d,%08x)\n",iface,Batch,Count,Flags);
1223
1224     /* MSDN: "not currently implemented" */
1225     return DDERR_UNSUPPORTED;
1226 }
1227
1228 /*****************************************************************************
1229  * IDirectDrawSurface7::EnumAttachedSurfaces
1230  *
1231  * Enumerates all surfaces attached to this surface
1232  *
1233  * Params:
1234  *  context: Pointer to pass unmodified to the callback
1235  *  cb: Callback function to call for each surface
1236  *
1237  * Returns:
1238  *  DD_OK on success
1239  *  DDERR_INVALIDPARAMS if cb is NULL
1240  *
1241  *****************************************************************************/
1242 static HRESULT WINAPI
1243 IDirectDrawSurfaceImpl_EnumAttachedSurfaces(IDirectDrawSurface7 *iface,
1244                                             void *context,
1245                                             LPDDENUMSURFACESCALLBACK7 cb)
1246 {
1247     ICOM_THIS_FROM(IDirectDrawSurfaceImpl, IDirectDrawSurface7, iface);
1248     IDirectDrawSurfaceImpl *surf;
1249     DDSURFACEDESC2 desc;
1250     int i;
1251
1252     /* Attached surfaces aren't handled in WineD3D */
1253     TRACE("(%p)->(%p,%p)\n",This,context,cb);
1254
1255     if(!cb)
1256         return DDERR_INVALIDPARAMS;
1257
1258     for(i = 0; i < MAX_COMPLEX_ATTACHED; i++)
1259     {
1260         surf = This->complex_array[i];
1261         if(!surf) break;
1262
1263         IDirectDrawSurface7_AddRef(ICOM_INTERFACE(surf, IDirectDrawSurface7));
1264         desc = surf->surface_desc;
1265         /* check: != DDENUMRET_OK or == DDENUMRET_CANCEL? */
1266         if (cb(ICOM_INTERFACE(surf, IDirectDrawSurface7), &desc, context) == DDENUMRET_CANCEL)
1267             return DD_OK;
1268     }
1269
1270     for (surf = This->next_attached; surf != NULL; surf = surf->next_attached)
1271     {
1272         IDirectDrawSurface7_AddRef(ICOM_INTERFACE(surf, IDirectDrawSurface7));
1273         desc = surf->surface_desc;
1274         /* check: != DDENUMRET_OK or == DDENUMRET_CANCEL? */
1275         if (cb( ICOM_INTERFACE(surf, IDirectDrawSurface7), &desc, context) == DDENUMRET_CANCEL)
1276             return DD_OK;
1277     }
1278
1279     TRACE(" end of enumeration.\n");
1280
1281     return DD_OK;
1282 }
1283
1284 /*****************************************************************************
1285  * IDirectDrawSurface7::EnumOverlayZOrders
1286  *
1287  * "Enumerates the overlay surfaces on the specified destination"
1288  *
1289  * Params:
1290  *  Flags: DDENUMOVERLAYZ_BACKTOFRONT  or DDENUMOVERLAYZ_FRONTTOBACK
1291  *  context: context to pass back to the callback
1292  *  cb: callback function to call for each enumerated surface
1293  *
1294  * Returns:
1295  *  DD_OK, because it's a stub
1296  *
1297  *****************************************************************************/
1298 static HRESULT WINAPI
1299 IDirectDrawSurfaceImpl_EnumOverlayZOrders(IDirectDrawSurface7 *iface,
1300                                           DWORD Flags,
1301                                           void *context,
1302                                           LPDDENUMSURFACESCALLBACK7 cb)
1303 {
1304      FIXME("(%p)->(%x,%p,%p): Stub!\n", iface, Flags, context, cb);
1305
1306     return DD_OK;
1307 }
1308
1309 /*****************************************************************************
1310  * IDirectDrawSurface7::GetBltStatus
1311  *
1312  * Returns the blitting status
1313  *
1314  * Params:
1315  *  Flags: DDGBS_CANBLT or DDGBS_ISBLTDONE
1316  *
1317  * Returns:
1318  *  See IWineD3DSurface::Blt
1319  *
1320  *****************************************************************************/
1321 static HRESULT WINAPI
1322 IDirectDrawSurfaceImpl_GetBltStatus(IDirectDrawSurface7 *iface,
1323                                     DWORD Flags)
1324 {
1325     ICOM_THIS_FROM(IDirectDrawSurfaceImpl, IDirectDrawSurface7, iface);
1326     HRESULT hr;
1327     TRACE("(%p)->(%x): Relay\n", This, Flags);
1328
1329     hr = IWineD3DSurface_GetBltStatus(This->WineD3DSurface, Flags);
1330     switch(hr)
1331     {
1332         case WINED3DERR_INVALIDCALL:        return DDERR_INVALIDPARAMS;
1333         default:                            return hr;
1334     }
1335 }
1336
1337 /*****************************************************************************
1338  * IDirectDrawSurface7::GetColorKey
1339  *
1340  * Returns the color key assigned to the surface
1341  *
1342  * Params:
1343  *  Flags: Some flags
1344  *  CKey: Address to store the key to
1345  *
1346  * Returns:
1347  *  DD_OK on success
1348  *  DDERR_INVALIDPARAMS if CKey is NULL
1349  *
1350  *****************************************************************************/
1351 static HRESULT WINAPI
1352 IDirectDrawSurfaceImpl_GetColorKey(IDirectDrawSurface7 *iface,
1353                                    DWORD Flags,
1354                                    DDCOLORKEY *CKey)
1355 {
1356     /* There is a DDERR_NOCOLORKEY error, but how do we know if a color key
1357      * isn't there? That's like saying that an int isn't there. (Which MS
1358      * has done in other docs.) */
1359     ICOM_THIS_FROM(IDirectDrawSurfaceImpl, IDirectDrawSurface7, iface);
1360     TRACE("(%p)->(%08x,%p)\n", This, Flags, CKey);
1361
1362     if(!CKey)
1363         return DDERR_INVALIDPARAMS;
1364
1365     switch (Flags)
1366     {
1367     case DDCKEY_DESTBLT:
1368         *CKey = This->surface_desc.ddckCKDestBlt;
1369         break;
1370
1371     case DDCKEY_DESTOVERLAY:
1372         *CKey = This->surface_desc.u3.ddckCKDestOverlay;
1373         break;
1374
1375     case DDCKEY_SRCBLT:
1376         *CKey = This->surface_desc.ddckCKSrcBlt;
1377         break;
1378
1379     case DDCKEY_SRCOVERLAY:
1380         *CKey = This->surface_desc.ddckCKSrcOverlay;
1381         break;
1382
1383     default:
1384         return DDERR_INVALIDPARAMS;
1385     }
1386
1387     return DD_OK;
1388 }
1389
1390 /*****************************************************************************
1391  * IDirectDrawSurface7::GetFlipStatus
1392  *
1393  * Returns the flipping status of the surface
1394  *
1395  * Params:
1396  *  Flags: DDGFS_CANFLIP of DDGFS_ISFLIPDONE
1397  *
1398  * Returns:
1399  *  See IWineD3DSurface::GetFlipStatus
1400  *
1401  *****************************************************************************/
1402 static HRESULT WINAPI
1403 IDirectDrawSurfaceImpl_GetFlipStatus(IDirectDrawSurface7 *iface,
1404                                      DWORD Flags)
1405 {
1406     ICOM_THIS_FROM(IDirectDrawSurfaceImpl, IDirectDrawSurface7, iface);
1407     HRESULT hr;
1408     TRACE("(%p)->(%x): Relay\n", This, Flags);
1409
1410     hr = IWineD3DSurface_GetFlipStatus(This->WineD3DSurface, Flags);
1411     switch(hr)
1412     {
1413         case WINED3DERR_INVALIDCALL:        return DDERR_INVALIDPARAMS;
1414         default:                            return hr;
1415     }
1416 }
1417
1418 /*****************************************************************************
1419  * IDirectDrawSurface7::GetOverlayPosition
1420  *
1421  * Returns the display coordinates of a visible and active overlay surface
1422  *
1423  * Params:
1424  *  X
1425  *  Y
1426  *
1427  * Returns:
1428  *  DDERR_NOTAOVERLAYSURFACE, because it's a stub
1429  *****************************************************************************/
1430 static HRESULT WINAPI
1431 IDirectDrawSurfaceImpl_GetOverlayPosition(IDirectDrawSurface7 *iface,
1432                                           LONG *X,
1433                                           LONG *Y) {
1434     ICOM_THIS_FROM(IDirectDrawSurfaceImpl, IDirectDrawSurface7, iface);
1435     TRACE("(%p)->(%p,%p): Relay\n", This, X, Y);
1436
1437     return IWineD3DSurface_GetOverlayPosition(This->WineD3DSurface,
1438                                               X,
1439                                               Y);
1440 }
1441
1442 /*****************************************************************************
1443  * IDirectDrawSurface7::GetPixelFormat
1444  *
1445  * Returns the pixel format of the Surface
1446  *
1447  * Params:
1448  *  PixelFormat: Pointer to a DDPIXELFORMAT structure to which the pixel
1449  *               format should be written
1450  *
1451  * Returns:
1452  *  DD_OK on success
1453  *  DDERR_INVALIDPARAMS if PixelFormat is NULL
1454  *
1455  *****************************************************************************/
1456 static HRESULT WINAPI
1457 IDirectDrawSurfaceImpl_GetPixelFormat(IDirectDrawSurface7 *iface,
1458                                       DDPIXELFORMAT *PixelFormat)
1459 {
1460     /* What is DDERR_INVALIDSURFACETYPE for here? */
1461     ICOM_THIS_FROM(IDirectDrawSurfaceImpl, IDirectDrawSurface7, iface);
1462     TRACE("(%p)->(%p)\n",This,PixelFormat);
1463
1464     if(!PixelFormat)
1465         return DDERR_INVALIDPARAMS;
1466
1467     DD_STRUCT_COPY_BYSIZE(PixelFormat,&This->surface_desc.u4.ddpfPixelFormat);
1468
1469     return DD_OK;
1470 }
1471
1472
1473 /*****************************************************************************
1474  * IDirectDrawSurface7::GetSurfaceDesc
1475  *
1476  * Returns the description of this surface
1477  *
1478  * Params:
1479  *  DDSD: Address of a DDSURFACEDESC2 structure that is to be filled with the
1480  *        surface desc
1481  *
1482  * Returns:
1483  *  DD_OK on success
1484  *  DDERR_INVALIDPARAMS if DDSD is NULL
1485  *
1486  *****************************************************************************/
1487 static HRESULT WINAPI
1488 IDirectDrawSurfaceImpl_GetSurfaceDesc(IDirectDrawSurface7 *iface,
1489                                       DDSURFACEDESC2 *DDSD)
1490 {
1491     ICOM_THIS_FROM(IDirectDrawSurfaceImpl, IDirectDrawSurface7, iface);
1492
1493     TRACE("(%p)->(%p)\n",This,DDSD);
1494
1495     if(!DDSD)
1496         return DDERR_INVALIDPARAMS;
1497
1498     if ((DDSD->dwSize < sizeof(DDSURFACEDESC)) ||
1499         (DDSD->dwSize > sizeof(DDSURFACEDESC2)))
1500     {
1501         ERR("Impossible/Strange struct size %d.\n",DDSD->dwSize);
1502         return DDERR_GENERIC;
1503     }
1504
1505     DD_STRUCT_COPY_BYSIZE(DDSD,&This->surface_desc);
1506     TRACE("Returning surface desc:\n");
1507     if (TRACE_ON(ddraw)) DDRAW_dump_surface_desc(DDSD);
1508
1509     return DD_OK;
1510 }
1511
1512 /*****************************************************************************
1513  * IDirectDrawSurface7::Initialize
1514  *
1515  * Initializes the surface. This is a no-op in Wine
1516  *
1517  * Params:
1518  *  DD: Pointer to an DirectDraw interface
1519  *  DDSD: Surface description for initialization
1520  *
1521  * Returns:
1522  *  DDERR_ALREADYINITIALIZED
1523  *
1524  *****************************************************************************/
1525 static HRESULT WINAPI
1526 IDirectDrawSurfaceImpl_Initialize(IDirectDrawSurface7 *iface,
1527                                   IDirectDraw *DD,
1528                                   DDSURFACEDESC2 *DDSD)
1529 {
1530     ICOM_THIS_FROM(IDirectDrawSurfaceImpl, IDirectDrawSurface7, iface);
1531     IDirectDrawImpl *ddimpl = ICOM_OBJECT(IDirectDrawImpl, IDirectDraw, DD);
1532     TRACE("(%p)->(%p,%p)\n",This,ddimpl,DDSD);
1533
1534     return DDERR_ALREADYINITIALIZED;
1535 }
1536
1537 /*****************************************************************************
1538  * IDirectDrawSurface7::IsLost
1539  *
1540  * Checks if the surface is lost
1541  *
1542  * Returns:
1543  *  DD_OK, if the surface is useable
1544  *  DDERR_ISLOST if the surface is lost
1545  *  See IWineD3DSurface::IsLost for more details
1546  *
1547  *****************************************************************************/
1548 static HRESULT WINAPI
1549 IDirectDrawSurfaceImpl_IsLost(IDirectDrawSurface7 *iface)
1550 {
1551     ICOM_THIS_FROM(IDirectDrawSurfaceImpl, IDirectDrawSurface7, iface);
1552     HRESULT hr;
1553     TRACE("(%p)\n", This);
1554
1555     /* We lose the surface if the implementation was changed */
1556     if(This->ImplType != This->ddraw->ImplType)
1557     {
1558         /* But this shouldn't happen. When we change the implementation,
1559          * all surfaces are re-created automatically, and their content
1560          * is copied
1561          */
1562         ERR(" (%p) Implementation was changed from %d to %d\n", This, This->ImplType, This->ddraw->ImplType);
1563         return DDERR_SURFACELOST;
1564     }
1565
1566     hr = IWineD3DSurface_IsLost(This->WineD3DSurface);
1567     switch(hr)
1568     {
1569         /* D3D8 and 9 loose full devices, thus there's only a DEVICELOST error.
1570          * WineD3D uses the same error for surfaces
1571          */
1572         case WINED3DERR_DEVICELOST:         return DDERR_SURFACELOST;
1573         default:                            return hr;
1574     }
1575 }
1576
1577 /*****************************************************************************
1578  * IDirectDrawSurface7::Restore
1579  *
1580  * Restores a lost surface. This makes the surface usable again, but
1581  * doesn't reload its old contents
1582  *
1583  * Returns:
1584  *  DD_OK on success
1585  *  See IWineD3DSurface::Restore for more details
1586  *
1587  *****************************************************************************/
1588 static HRESULT WINAPI
1589 IDirectDrawSurfaceImpl_Restore(IDirectDrawSurface7 *iface)
1590 {
1591     ICOM_THIS_FROM(IDirectDrawSurfaceImpl, IDirectDrawSurface7, iface);
1592     TRACE("(%p)\n", This);
1593
1594     if(This->ImplType != This->ddraw->ImplType)
1595     {
1596         /* Call the recreation callback. Make sure to AddRef first */
1597         IDirectDrawSurface_AddRef(iface);
1598         IDirectDrawImpl_RecreateSurfacesCallback(iface,
1599                                                  &This->surface_desc,
1600                                                  NULL /* Not needed */);
1601     }
1602     return IWineD3DSurface_Restore(This->WineD3DSurface);
1603 }
1604
1605 /*****************************************************************************
1606  * IDirectDrawSurface7::SetOverlayPosition
1607  *
1608  * Changes the display coordinates of an overlay surface
1609  *
1610  * Params:
1611  *  X:
1612  *  Y:
1613  *
1614  * Returns:
1615  *   DDERR_NOTAOVERLAYSURFACE, because we don't support overlays right now
1616  *****************************************************************************/
1617 static HRESULT WINAPI
1618 IDirectDrawSurfaceImpl_SetOverlayPosition(IDirectDrawSurface7 *iface,
1619                                           LONG X,
1620                                           LONG Y)
1621 {
1622     ICOM_THIS_FROM(IDirectDrawSurfaceImpl, IDirectDrawSurface7, iface);
1623     TRACE("(%p)->(%d,%d): Relay\n", This, X, Y);
1624
1625     return IWineD3DSurface_SetOverlayPosition(This->WineD3DSurface,
1626                                               X,
1627                                               Y);
1628 }
1629
1630 /*****************************************************************************
1631  * IDirectDrawSurface7::UpdateOverlay
1632  *
1633  * Modifies the attributes of an overlay surface.
1634  *
1635  * Params:
1636  *  SrcRect: The section of the source being used for the overlay
1637  *  DstSurface: Address of the surface that is overlaid
1638  *  DstRect: Place of the overlay
1639  *  Flags: some DDOVER_* flags
1640  *
1641  * Returns:
1642  *  DDERR_UNSUPPORTED, because we don't support overlays
1643  *
1644  *****************************************************************************/
1645 static HRESULT WINAPI
1646 IDirectDrawSurfaceImpl_UpdateOverlay(IDirectDrawSurface7 *iface,
1647                                      LPRECT SrcRect,
1648                                      IDirectDrawSurface7 *DstSurface,
1649                                      LPRECT DstRect,
1650                                      DWORD Flags,
1651                                      LPDDOVERLAYFX FX)
1652 {
1653     ICOM_THIS_FROM(IDirectDrawSurfaceImpl, IDirectDrawSurface7, iface);
1654     IDirectDrawSurfaceImpl *Dst = ICOM_OBJECT(IDirectDrawSurfaceImpl, IDirectDrawSurface7, DstSurface);
1655     TRACE("(%p)->(%p,%p,%p,%x,%p): Relay\n", This, SrcRect, Dst, DstRect, Flags, FX);
1656
1657     return IWineD3DSurface_UpdateOverlay(This->WineD3DSurface,
1658                                          SrcRect,
1659                                          Dst ? Dst->WineD3DSurface : NULL,
1660                                          DstRect,
1661                                          Flags,
1662                                          (WINEDDOVERLAYFX *) FX);
1663 }
1664
1665 /*****************************************************************************
1666  * IDirectDrawSurface7::UpdateOverlayDisplay
1667  *
1668  * The DX7 sdk says that it's not implemented
1669  *
1670  * Params:
1671  *  Flags: ?
1672  *
1673  * Returns: DDERR_UNSUPPORTED, because we don't support overlays
1674  *
1675  *****************************************************************************/
1676 static HRESULT WINAPI
1677 IDirectDrawSurfaceImpl_UpdateOverlayDisplay(IDirectDrawSurface7 *iface,
1678                                             DWORD Flags)
1679 {
1680     ICOM_THIS_FROM(IDirectDrawSurfaceImpl, IDirectDrawSurface7, iface);
1681     TRACE("(%p)->(%x)\n", This, Flags);
1682     return DDERR_UNSUPPORTED;
1683 }
1684
1685 /*****************************************************************************
1686  * IDirectDrawSurface7::UpdateOverlayZOrder
1687  *
1688  * Sets an overlay's Z order
1689  *
1690  * Params:
1691  *  Flags: DDOVERZ_* flags
1692  *  DDSRef: Defines the relative position in the overlay chain
1693  *
1694  * Returns:
1695  *  DDERR_NOTOVERLAYSURFACE, because we don't support overlays
1696  *
1697  *****************************************************************************/
1698 static HRESULT WINAPI
1699 IDirectDrawSurfaceImpl_UpdateOverlayZOrder(IDirectDrawSurface7 *iface,
1700                                            DWORD Flags,
1701                                            IDirectDrawSurface7 *DDSRef)
1702 {
1703     ICOM_THIS_FROM(IDirectDrawSurfaceImpl, IDirectDrawSurface7, iface);
1704     IDirectDrawSurfaceImpl *Ref = ICOM_OBJECT(IDirectDrawSurfaceImpl, IDirectDrawSurface7, DDSRef);
1705
1706     TRACE("(%p)->(%x,%p): Relay\n", This, Flags, Ref);
1707     return IWineD3DSurface_UpdateOverlayZOrder(This->WineD3DSurface,
1708                                                Flags,
1709                                                Ref ? Ref->WineD3DSurface : NULL);
1710 }
1711
1712 /*****************************************************************************
1713  * IDirectDrawSurface7::GetDDInterface
1714  *
1715  * Returns the IDirectDraw7 interface pointer of the DirectDraw object this
1716  * surface belongs to
1717  *
1718  * Params:
1719  *  DD: Address to write the interface pointer to
1720  *
1721  * Returns:
1722  *  DD_OK on success
1723  *  DDERR_INVALIDPARAMS if DD is NULL
1724  *
1725  *****************************************************************************/
1726 static HRESULT WINAPI
1727 IDirectDrawSurfaceImpl_GetDDInterface(IDirectDrawSurface7 *iface,
1728                                       void **DD)
1729 {
1730     ICOM_THIS_FROM(IDirectDrawSurfaceImpl, IDirectDrawSurface7, iface);
1731
1732     TRACE("(%p)->(%p)\n",This,DD);
1733
1734     if(!DD)
1735         return DDERR_INVALIDPARAMS;
1736
1737     switch(This->version)
1738     {
1739         case 7:
1740             *((IDirectDraw7 **) DD) = ICOM_INTERFACE(This->ddraw, IDirectDraw7);
1741             IDirectDraw7_AddRef(*(IDirectDraw7 **) DD);
1742             break;
1743
1744         case 4:
1745             *((IDirectDraw4 **) DD) = ICOM_INTERFACE(This->ddraw, IDirectDraw4);
1746             IDirectDraw4_AddRef(*(IDirectDraw4 **) DD);
1747             break;
1748
1749         case 2:
1750             *((IDirectDraw2 **) DD) = ICOM_INTERFACE(This->ddraw, IDirectDraw2);
1751             IDirectDraw_AddRef( *(IDirectDraw2 **) DD);
1752             break;
1753
1754         case 1:
1755             *((IDirectDraw **) DD) = ICOM_INTERFACE(This->ddraw, IDirectDraw);
1756             IDirectDraw_AddRef( *(IDirectDraw **) DD);
1757             break;
1758
1759     }
1760
1761     return DD_OK;
1762 }
1763
1764 /* This seems also windows implementation specific - I don't think WineD3D needs this */
1765 static HRESULT WINAPI IDirectDrawSurfaceImpl_ChangeUniquenessValue(IDirectDrawSurface7 *iface)
1766 {
1767     ICOM_THIS_FROM(IDirectDrawSurfaceImpl, IDirectDrawSurface7, iface);
1768     volatile IDirectDrawSurfaceImpl* vThis = This;
1769
1770     TRACE("(%p)\n",This);
1771     /* A uniqueness value of 0 is apparently special.
1772     * This needs to be checked. */
1773     while (1) {
1774         DWORD old_uniqueness_value = vThis->uniqueness_value;
1775         DWORD new_uniqueness_value = old_uniqueness_value+1;
1776
1777         if (old_uniqueness_value == 0) break;
1778         if (new_uniqueness_value == 0) new_uniqueness_value = 1;
1779
1780         if (InterlockedCompareExchange((LONG*)&vThis->uniqueness_value,
1781                                       old_uniqueness_value,
1782                                       new_uniqueness_value)
1783             == old_uniqueness_value)
1784             break;
1785     }
1786
1787     return DD_OK;
1788 }
1789
1790 static HRESULT WINAPI IDirectDrawSurfaceImpl_GetUniquenessValue(IDirectDrawSurface7 *iface, LPDWORD pValue)
1791 {
1792     ICOM_THIS_FROM(IDirectDrawSurfaceImpl, IDirectDrawSurface7, iface);
1793
1794     TRACE("(%p)->(%p)\n",This,pValue);
1795     *pValue = This->uniqueness_value;
1796     return DD_OK;
1797 }
1798
1799 /*****************************************************************************
1800  * IDirectDrawSurface7::SetLOD
1801  *
1802  * Sets the level of detail of a texture
1803  *
1804  * Params:
1805  *  MaxLOD: LOD to set
1806  *
1807  * Returns:
1808  *  DD_OK on success
1809  *  DDERR_INVALIDOBJECT if the surface is invalid for this method
1810  *
1811  *****************************************************************************/
1812 static HRESULT WINAPI
1813 IDirectDrawSurfaceImpl_SetLOD(IDirectDrawSurface7 *iface,
1814                               DWORD MaxLOD)
1815 {
1816     ICOM_THIS_FROM(IDirectDrawSurfaceImpl, IDirectDrawSurface7, iface);
1817     TRACE("(%p)->(%d)\n", This, MaxLOD);
1818
1819     if (!(This->surface_desc.ddsCaps.dwCaps2 & DDSCAPS2_TEXTUREMANAGE))
1820         return DDERR_INVALIDOBJECT;
1821
1822     if(!This->wineD3DTexture)
1823     {
1824         ERR("(%p) The DirectDraw texture has no WineD3DTexture!\n", This);
1825         return DDERR_INVALIDOBJECT;
1826     }
1827
1828     return IWineD3DBaseTexture_SetLOD(This->wineD3DTexture,
1829                                       MaxLOD);
1830 }
1831
1832 /*****************************************************************************
1833  * IDirectDrawSurface7::GetLOD
1834  *
1835  * Returns the level of detail of a Direct3D texture
1836  *
1837  * Params:
1838  *  MaxLOD: Address to write the LOD to
1839  *
1840  * Returns:
1841  *  DD_OK on success
1842  *  DDERR_INVALIDPARAMS if MaxLOD is NULL
1843  *  DDERR_INVALIDOBJECT if the surface is invalid for this method
1844  *
1845  *****************************************************************************/
1846 static HRESULT WINAPI
1847 IDirectDrawSurfaceImpl_GetLOD(IDirectDrawSurface7 *iface,
1848                               DWORD *MaxLOD)
1849 {
1850     ICOM_THIS_FROM(IDirectDrawSurfaceImpl, IDirectDrawSurface7, iface);
1851     TRACE("(%p)->(%p)\n", This, MaxLOD);
1852
1853     if(!MaxLOD)
1854         return DDERR_INVALIDPARAMS;
1855
1856     if (!(This->surface_desc.ddsCaps.dwCaps2 & DDSCAPS2_TEXTUREMANAGE))
1857         return DDERR_INVALIDOBJECT;
1858
1859     *MaxLOD = IWineD3DBaseTexture_GetLOD(This->wineD3DTexture);
1860     return DD_OK;
1861 }
1862
1863 /*****************************************************************************
1864  * IDirectDrawSurface7::BltFast
1865  *
1866  * Performs a fast Blit.
1867  *
1868  * Params:
1869  *  dstx: The x coordinate to blit to on the destination
1870  *  dsty: The y coordinate to blit to on the destination
1871  *  Source: The source surface
1872  *  rsrc: The source rectangle
1873  *  trans: Type of transfer. Some DDBLTFAST_* flags
1874  *
1875  * Returns:
1876  *  DD_OK on success
1877  *  For more details, see IWineD3DSurface::BltFast
1878  *
1879  *****************************************************************************/
1880 static HRESULT WINAPI
1881 IDirectDrawSurfaceImpl_BltFast(IDirectDrawSurface7 *iface,
1882                                DWORD dstx,
1883                                DWORD dsty,
1884                                IDirectDrawSurface7 *Source,
1885                                RECT *rsrc,
1886                                DWORD trans)
1887 {
1888     ICOM_THIS_FROM(IDirectDrawSurfaceImpl, IDirectDrawSurface7, iface);
1889     HRESULT hr;
1890     IDirectDrawSurfaceImpl *src = ICOM_OBJECT(IDirectDrawSurfaceImpl, IDirectDrawSurface7, Source);
1891     TRACE("(%p)->(%d,%d,%p,%p,%d): Relay\n", This, dstx, dsty, Source, rsrc, trans);
1892
1893     hr = IWineD3DSurface_BltFast(This->WineD3DSurface,
1894                                  dstx, dsty,
1895                                  src ? src->WineD3DSurface : NULL,
1896                                  rsrc,
1897                                  trans);
1898     switch(hr)
1899     {
1900         case WINED3DERR_NOTAVAILABLE:           return DDERR_UNSUPPORTED;
1901         case WINED3DERR_WRONGTEXTUREFORMAT:     return DDERR_INVALIDPIXELFORMAT;
1902         default:                                return hr;
1903     }
1904 }
1905
1906 /*****************************************************************************
1907  * IDirectDrawSurface7::GetClipper
1908  *
1909  * Returns the IDirectDrawClipper interface of the clipper assigned to this
1910  * surface
1911  *
1912  * Params:
1913  *  Clipper: Address to store the interface pointer at
1914  *
1915  * Returns:
1916  *  DD_OK on success
1917  *  DDERR_INVALIDPARAMS if Clipper is NULL
1918  *  DDERR_NOCLIPPERATTACHED if there's no clipper attached
1919  *
1920  *****************************************************************************/
1921 static HRESULT WINAPI
1922 IDirectDrawSurfaceImpl_GetClipper(IDirectDrawSurface7 *iface,
1923                                   IDirectDrawClipper **Clipper)
1924 {
1925     ICOM_THIS_FROM(IDirectDrawSurfaceImpl, IDirectDrawSurface7, iface);
1926     TRACE("(%p)->(%p)\n", This, Clipper);
1927
1928     if(!Clipper)
1929         return DDERR_INVALIDPARAMS;
1930
1931     if(This->clipper == NULL)
1932         return DDERR_NOCLIPPERATTACHED;
1933
1934     *Clipper = ICOM_INTERFACE(This->clipper, IDirectDrawClipper);
1935     IDirectDrawClipper_AddRef(*Clipper);
1936     return DD_OK;
1937 }
1938
1939 /*****************************************************************************
1940  * IDirectDrawSurface7::SetClipper
1941  *
1942  * Sets a clipper for the surface
1943  *
1944  * Params:
1945  *  Clipper: IDirectDrawClipper interface of the clipper to set
1946  *
1947  * Returns:
1948  *  DD_OK on success
1949  *
1950  *****************************************************************************/
1951 static HRESULT WINAPI
1952 IDirectDrawSurfaceImpl_SetClipper(IDirectDrawSurface7 *iface,
1953                                   IDirectDrawClipper *Clipper)
1954 {
1955     ICOM_THIS_FROM(IDirectDrawSurfaceImpl, IDirectDrawSurface7, iface);
1956     IDirectDrawClipperImpl *oldClipper = This->clipper;
1957
1958     TRACE("(%p)->(%p)\n",This,Clipper);
1959     if (ICOM_OBJECT(IDirectDrawClipperImpl, IDirectDrawClipper, Clipper) == This->clipper)
1960         return DD_OK;
1961
1962     This->clipper = ICOM_OBJECT(IDirectDrawClipperImpl, IDirectDrawClipper, Clipper);
1963
1964     if (Clipper != NULL)
1965         IDirectDrawClipper_AddRef(Clipper);
1966     if(oldClipper)
1967         IDirectDrawClipper_Release(ICOM_INTERFACE(oldClipper, IDirectDrawClipper));
1968
1969     return DD_OK;
1970 }
1971
1972 /*****************************************************************************
1973  * IDirectDrawSurface7::SetSurfaceDesc
1974  *
1975  * Sets the surface description. It can override the pixel format, the surface
1976  * memory, ...
1977  * It's not really tested.
1978  *
1979  * Params:
1980  * DDSD: Pointer to the new surface description to set
1981  * Flags: Some flags
1982  *
1983  * Returns:
1984  *  DD_OK on success
1985  *  DDERR_INVALIDPARAMS if DDSD is NULL
1986  *
1987  *****************************************************************************/
1988 static HRESULT WINAPI
1989 IDirectDrawSurfaceImpl_SetSurfaceDesc(IDirectDrawSurface7 *iface,
1990                                       DDSURFACEDESC2 *DDSD,
1991                                       DWORD Flags)
1992 {
1993     ICOM_THIS_FROM(IDirectDrawSurfaceImpl, IDirectDrawSurface7, iface);
1994     WINED3DFORMAT newFormat = WINED3DFMT_UNKNOWN;
1995     HRESULT hr;
1996     TRACE("(%p)->(%p,%x)\n", This, DDSD, Flags);
1997
1998     if(!DDSD)
1999         return DDERR_INVALIDPARAMS;
2000
2001     if (DDSD->dwFlags & DDSD_LPSURFACE && DDSD->lpSurface)
2002     {
2003         ERR("Setting the surface memory isn't supported yet\n");
2004         return DDERR_INVALIDPARAMS;
2005
2006     }
2007     if (DDSD->dwFlags & DDSD_PIXELFORMAT)
2008     {
2009         newFormat = PixelFormat_DD2WineD3D(&DDSD->u4.ddpfPixelFormat);
2010
2011         if(newFormat == WINED3DFMT_UNKNOWN)
2012         {
2013             ERR("Requested to set an unknown pixelformat\n");
2014             return DDERR_INVALIDPARAMS;
2015         }
2016         if(newFormat != PixelFormat_DD2WineD3D(&This->surface_desc.u4.ddpfPixelFormat) )
2017         {
2018             hr = IWineD3DSurface_SetFormat(This->WineD3DSurface,
2019                                            newFormat);
2020             if(hr != DD_OK) return hr;
2021         }
2022     }
2023     if (DDSD->dwFlags & DDSD_CKDESTOVERLAY)
2024     {
2025         IWineD3DSurface_SetColorKey(This->WineD3DSurface,
2026                                     DDCKEY_DESTOVERLAY,
2027                                     (WINEDDCOLORKEY *) &DDSD->u3.ddckCKDestOverlay);
2028     }
2029     if (DDSD->dwFlags & DDSD_CKDESTBLT)
2030     {
2031         IWineD3DSurface_SetColorKey(This->WineD3DSurface,
2032                                     DDCKEY_DESTBLT,
2033                                     (WINEDDCOLORKEY *) &DDSD->ddckCKDestBlt);
2034     }
2035     if (DDSD->dwFlags & DDSD_CKSRCOVERLAY)
2036     {
2037         IWineD3DSurface_SetColorKey(This->WineD3DSurface,
2038                                     DDCKEY_SRCOVERLAY,
2039                                     (WINEDDCOLORKEY *) &DDSD->ddckCKSrcOverlay);
2040     }
2041     if (DDSD->dwFlags & DDSD_CKSRCBLT)
2042     {
2043         IWineD3DSurface_SetColorKey(This->WineD3DSurface,
2044                                     DDCKEY_SRCBLT,
2045                                     (WINEDDCOLORKEY *) &DDSD->ddckCKSrcBlt);
2046     }
2047     if (DDSD->dwFlags & DDSD_LPSURFACE)
2048     {
2049         hr = IWineD3DSurface_SetMem(This->WineD3DSurface, DDSD->lpSurface);
2050         if(hr != WINED3D_OK)
2051         {
2052             /* No need for a trace here, wined3d does that for us */
2053             return hr;
2054         }
2055     }
2056
2057     This->surface_desc = *DDSD;
2058
2059     return DD_OK;
2060 }
2061
2062 /*****************************************************************************
2063  * IDirectDrawSurface7::GetPalette
2064  *
2065  * Returns the IDirectDrawPalette interface of the palette currently assigned
2066  * to the surface
2067  *
2068  * Params:
2069  *  Pal: Address to write the interface pointer to
2070  *
2071  * Returns:
2072  *  DD_OK on success
2073  *  DDERR_INVALIDPARAMS if Pal is NULL
2074  *
2075  *****************************************************************************/
2076 static HRESULT WINAPI
2077 IDirectDrawSurfaceImpl_GetPalette(IDirectDrawSurface7 *iface,
2078                                   IDirectDrawPalette **Pal)
2079 {
2080     ICOM_THIS_FROM(IDirectDrawSurfaceImpl, IDirectDrawSurface7, iface);
2081     IWineD3DPalette *wPal;
2082     HRESULT hr;
2083     TRACE("(%p)->(%p): Relay\n", This, Pal);
2084
2085     if(!Pal)
2086         return DDERR_INVALIDPARAMS;
2087
2088     hr = IWineD3DSurface_GetPalette(This->WineD3DSurface, &wPal);
2089     if(hr != DD_OK) return hr;
2090
2091     if(wPal)
2092     {
2093         hr = IWineD3DPalette_GetParent(wPal, (IUnknown **) Pal);
2094     }
2095     else
2096     {
2097         *Pal = NULL;
2098         hr = DDERR_NOPALETTEATTACHED;
2099     }
2100
2101     return hr;
2102 }
2103
2104 /*****************************************************************************
2105  * SetColorKeyEnum
2106  *
2107  * EnumAttachedSurface callback for SetColorKey. Used to set color keys
2108  * recursively in the surface tree
2109  *
2110  *****************************************************************************/
2111 struct SCKContext
2112 {
2113     HRESULT ret;
2114     WINEDDCOLORKEY *CKey;
2115     DWORD Flags;
2116 };
2117
2118 static HRESULT WINAPI
2119 SetColorKeyEnum(IDirectDrawSurface7 *surface,
2120                 DDSURFACEDESC2 *desc,
2121                 void *context)
2122 {
2123     ICOM_THIS_FROM(IDirectDrawSurfaceImpl, IDirectDrawSurface7, surface);
2124     struct SCKContext *ctx = context;
2125     HRESULT hr;
2126
2127     hr = IWineD3DSurface_SetColorKey(This->WineD3DSurface,
2128                                      ctx->Flags,
2129                                      ctx->CKey);
2130     if(hr != DD_OK)
2131     {
2132         WARN("IWineD3DSurface_SetColorKey failed, hr = %08x\n", hr);
2133         ctx->ret = hr;
2134     }
2135
2136     IDirectDrawSurface7_EnumAttachedSurfaces(surface,
2137                                              context,
2138                                              SetColorKeyEnum);
2139     IDirectDrawSurface7_Release(surface);
2140     return DDENUMRET_OK;
2141 }
2142
2143 /*****************************************************************************
2144  * IDirectDrawSurface7::SetColorKey
2145  *
2146  * Sets the color keying options for the surface. Observations showed that
2147  * in case of complex surfaces the color key has to be assigned to all
2148  * sublevels.
2149  *
2150  * Params:
2151  *  Flags: DDCKEY_*
2152  *  CKey: The new color key
2153  *
2154  * Returns:
2155  *  DD_OK on success
2156  *  See IWineD3DSurface::SetColorKey for details
2157  *
2158  *****************************************************************************/
2159 static HRESULT WINAPI
2160 IDirectDrawSurfaceImpl_SetColorKey(IDirectDrawSurface7 *iface,
2161                                    DWORD Flags,
2162                                    DDCOLORKEY *CKey)
2163 {
2164     ICOM_THIS_FROM(IDirectDrawSurfaceImpl, IDirectDrawSurface7, iface);
2165     struct SCKContext ctx = { DD_OK, (WINEDDCOLORKEY *) CKey, Flags };
2166     TRACE("(%p)->(%x,%p)\n", This, Flags, CKey);
2167
2168     if (CKey)
2169     {
2170         switch (Flags & ~DDCKEY_COLORSPACE)
2171         {
2172         case DDCKEY_DESTBLT:
2173             This->surface_desc.ddckCKDestBlt = *CKey;
2174             This->surface_desc.dwFlags |= DDSD_CKDESTBLT;
2175             break;
2176
2177         case DDCKEY_DESTOVERLAY:
2178             This->surface_desc.u3.ddckCKDestOverlay = *CKey;
2179             This->surface_desc.dwFlags |= DDSD_CKDESTOVERLAY;
2180             break;
2181
2182         case DDCKEY_SRCOVERLAY:
2183             This->surface_desc.ddckCKSrcOverlay = *CKey;
2184             This->surface_desc.dwFlags |= DDSD_CKSRCOVERLAY;
2185             break;
2186
2187         case DDCKEY_SRCBLT:
2188             This->surface_desc.ddckCKSrcBlt = *CKey;
2189             This->surface_desc.dwFlags |= DDSD_CKSRCBLT;
2190             break;
2191
2192         default:
2193             return DDERR_INVALIDPARAMS;
2194         }
2195     }
2196     else
2197     {
2198         switch (Flags & ~DDCKEY_COLORSPACE)
2199         {
2200         case DDCKEY_DESTBLT:
2201             This->surface_desc.dwFlags &= ~DDSD_CKDESTBLT;
2202             break;
2203
2204         case DDCKEY_DESTOVERLAY:
2205             This->surface_desc.dwFlags &= ~DDSD_CKDESTOVERLAY;
2206             break;
2207
2208         case DDCKEY_SRCOVERLAY:
2209             This->surface_desc.dwFlags &= ~DDSD_CKSRCOVERLAY;
2210             break;
2211
2212         case DDCKEY_SRCBLT:
2213             This->surface_desc.dwFlags &= ~DDSD_CKSRCBLT;
2214             break;
2215
2216         default:
2217             return DDERR_INVALIDPARAMS;
2218         }
2219     }
2220     ctx.ret = IWineD3DSurface_SetColorKey(This->WineD3DSurface,
2221                                           Flags,
2222                                           ctx.CKey);
2223     IDirectDrawSurface7_EnumAttachedSurfaces(iface,
2224                                              (void *) &ctx,
2225                                              SetColorKeyEnum);
2226     switch(ctx.ret)
2227     {
2228         case WINED3DERR_INVALIDCALL:        return DDERR_INVALIDPARAMS;
2229         default:                            return ctx.ret;
2230     }
2231 }
2232
2233 /*****************************************************************************
2234  * IDirectDrawSurface7::SetPalette
2235  *
2236  * Assigns a DirectDrawPalette object to the surface
2237  *
2238  * Params:
2239  *  Pal: Interface to the palette to set
2240  *
2241  * Returns:
2242  *  DD_OK on success
2243  *
2244  *****************************************************************************/
2245 static HRESULT WINAPI
2246 IDirectDrawSurfaceImpl_SetPalette(IDirectDrawSurface7 *iface,
2247                                   IDirectDrawPalette *Pal)
2248 {
2249     ICOM_THIS_FROM(IDirectDrawSurfaceImpl, IDirectDrawSurface7, iface);
2250     IDirectDrawPalette *oldPal;
2251     IDirectDrawSurfaceImpl *surf;
2252     IDirectDrawPaletteImpl *PalImpl = ICOM_OBJECT(IDirectDrawPaletteImpl, IDirectDrawPalette, Pal);
2253     HRESULT hr;
2254     TRACE("(%p)->(%p)\n", This, Pal);
2255
2256     /* Find the old palette */
2257     hr = IDirectDrawSurface_GetPalette(iface, &oldPal);
2258     if(hr != DD_OK && hr != DDERR_NOPALETTEATTACHED) return hr;
2259     if(oldPal) IDirectDrawPalette_Release(oldPal);  /* For the GetPalette */
2260
2261     /* Set the new Palette */
2262     IWineD3DSurface_SetPalette(This->WineD3DSurface,
2263                                PalImpl ? PalImpl->wineD3DPalette : NULL);
2264     /* AddRef the Palette */
2265     if(Pal) IDirectDrawPalette_AddRef(Pal);
2266
2267     /* Release the old palette */
2268     if(oldPal) IDirectDrawPalette_Release(oldPal);
2269
2270     /* If this is a front buffer, also update the back buffers
2271      * TODO: How do things work for palettized cube textures?
2272      */
2273     if(This->surface_desc.ddsCaps.dwCaps & DDSCAPS_FRONTBUFFER)
2274     {
2275         /* For primary surfaces the tree is just a list, so the simpler scheme fits too */
2276         DDSCAPS2 caps2 = { DDSCAPS_PRIMARYSURFACE, 0, 0, 0 };
2277
2278         surf = This;
2279         while(1)
2280         {
2281             IDirectDrawSurface7 *attach;
2282             HRESULT hr;
2283             hr = IDirectDrawSurface7_GetAttachedSurface(ICOM_INTERFACE(surf, IDirectDrawSurface7),
2284                                                         &caps2, &attach);
2285             if(hr != DD_OK)
2286             {
2287                 break;
2288             }
2289
2290             TRACE("Setting palette on %p\n", attach);
2291             IDirectDrawSurface7_SetPalette(attach,
2292                                            Pal);
2293             surf = ICOM_OBJECT(IDirectDrawSurfaceImpl, IDirectDrawSurface7, attach);
2294             IDirectDrawSurface7_Release(attach);
2295         }
2296     }
2297
2298     return DD_OK;
2299 }
2300
2301 /*****************************************************************************
2302  * The VTable
2303  *****************************************************************************/
2304
2305 const IDirectDrawSurface7Vtbl IDirectDrawSurface7_Vtbl =
2306 {
2307     /*** IUnknown ***/
2308     IDirectDrawSurfaceImpl_QueryInterface,
2309     IDirectDrawSurfaceImpl_AddRef,
2310     IDirectDrawSurfaceImpl_Release,
2311     /*** IDirectDrawSurface ***/
2312     IDirectDrawSurfaceImpl_AddAttachedSurface,
2313     IDirectDrawSurfaceImpl_AddOverlayDirtyRect,
2314     IDirectDrawSurfaceImpl_Blt,
2315     IDirectDrawSurfaceImpl_BltBatch,
2316     IDirectDrawSurfaceImpl_BltFast,
2317     IDirectDrawSurfaceImpl_DeleteAttachedSurface,
2318     IDirectDrawSurfaceImpl_EnumAttachedSurfaces,
2319     IDirectDrawSurfaceImpl_EnumOverlayZOrders,
2320     IDirectDrawSurfaceImpl_Flip,
2321     IDirectDrawSurfaceImpl_GetAttachedSurface,
2322     IDirectDrawSurfaceImpl_GetBltStatus,
2323     IDirectDrawSurfaceImpl_GetCaps,
2324     IDirectDrawSurfaceImpl_GetClipper,
2325     IDirectDrawSurfaceImpl_GetColorKey,
2326     IDirectDrawSurfaceImpl_GetDC,
2327     IDirectDrawSurfaceImpl_GetFlipStatus,
2328     IDirectDrawSurfaceImpl_GetOverlayPosition,
2329     IDirectDrawSurfaceImpl_GetPalette,
2330     IDirectDrawSurfaceImpl_GetPixelFormat,
2331     IDirectDrawSurfaceImpl_GetSurfaceDesc,
2332     IDirectDrawSurfaceImpl_Initialize,
2333     IDirectDrawSurfaceImpl_IsLost,
2334     IDirectDrawSurfaceImpl_Lock,
2335     IDirectDrawSurfaceImpl_ReleaseDC,
2336     IDirectDrawSurfaceImpl_Restore,
2337     IDirectDrawSurfaceImpl_SetClipper,
2338     IDirectDrawSurfaceImpl_SetColorKey,
2339     IDirectDrawSurfaceImpl_SetOverlayPosition,
2340     IDirectDrawSurfaceImpl_SetPalette,
2341     IDirectDrawSurfaceImpl_Unlock,
2342     IDirectDrawSurfaceImpl_UpdateOverlay,
2343     IDirectDrawSurfaceImpl_UpdateOverlayDisplay,
2344     IDirectDrawSurfaceImpl_UpdateOverlayZOrder,
2345     /*** IDirectDrawSurface2 ***/
2346     IDirectDrawSurfaceImpl_GetDDInterface,
2347     IDirectDrawSurfaceImpl_PageLock,
2348     IDirectDrawSurfaceImpl_PageUnlock,
2349     /*** IDirectDrawSurface3 ***/
2350     IDirectDrawSurfaceImpl_SetSurfaceDesc,
2351     /*** IDirectDrawSurface4 ***/
2352     IDirectDrawSurfaceImpl_SetPrivateData,
2353     IDirectDrawSurfaceImpl_GetPrivateData,
2354     IDirectDrawSurfaceImpl_FreePrivateData,
2355     IDirectDrawSurfaceImpl_GetUniquenessValue,
2356     IDirectDrawSurfaceImpl_ChangeUniquenessValue,
2357     /*** IDirectDrawSurface7 ***/
2358     IDirectDrawSurfaceImpl_SetPriority,
2359     IDirectDrawSurfaceImpl_GetPriority,
2360     IDirectDrawSurfaceImpl_SetLOD,
2361     IDirectDrawSurfaceImpl_GetLOD
2362 };