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   1 /*              DirectDrawSurface base implementation
   2  *
   3  * Copyright 1997-2000 Marcus Meissner
   4  * Copyright 1998-2000 Lionel Ulmer (most of Direct3D stuff)
   5  * Copyright 2000-2001 TransGaming Technologies Inc.
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2.1 of the License, or (at your option) any later version.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with this library; if not, write to the Free Software
  19  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  20  */
  21 #include "config.h"
  22
  23 #include <assert.h>
  24 #include <string.h>
  25
  26 #define NONAMELESSUNION
  27 #define NONAMELESSSTRUCT
  28 #include "winerror.h"
  29 #include "mesa_private.h"
  30 #include "wine/debug.h"
  31 #include "ddraw_private.h"
  32 #include "dsurface/main.h"
  33 #include "ddraw/main.h"
  34 #include "dsurface/thunks.h"
  35
  36 WINE_DEFAULT_DEBUG_CHANNEL(ddraw);
  37 WINE_DECLARE_DEBUG_CHANNEL(ddraw_flip);
  38 WINE_DECLARE_DEBUG_CHANNEL(ddraw_fps);
  39
  40 /** Creation/Destruction functions */
  41
  42 HRESULT
  43 Main_DirectDrawSurface_Construct(IDirectDrawSurfaceImpl *This,
  44                                  IDirectDrawImpl *pDD,
  45                                  const DDSURFACEDESC2 *pDDSD)
  46 {
  47     TRACE("(%p)->(%p,%p)\n", This, pDD, pDDSD);
  48
  49     if (pDDSD != &This->surface_desc) {
  50         This->surface_desc.dwSize = sizeof(This->surface_desc);
  51         DD_STRUCT_COPY_BYSIZE(&(This->surface_desc),pDDSD);
  52     }
  53     This->uniqueness_value = 1; /* unchecked */
  54     This->ref = 1;
  55
  56     This->local.lpSurfMore = &This->more;
  57     This->local.lpGbl = &This->global;
  58     This->local.dwProcessId = GetCurrentProcessId();
  59     This->local.dwFlags = 0; /* FIXME */
  60     This->local.ddsCaps.dwCaps = This->surface_desc.ddsCaps.dwCaps;
  61     /* FIXME: more local stuff */
  62     This->more.lpDD_lcl = &pDD->local;
  63     This->more.ddsCapsEx.dwCaps2 = This->surface_desc.ddsCaps.dwCaps2;
  64     This->more.ddsCapsEx.dwCaps3 = This->surface_desc.ddsCaps.dwCaps3;
  65     This->more.ddsCapsEx.dwCaps4 = This->surface_desc.ddsCaps.dwCaps4;
  66     /* FIXME: more more stuff */
  67     This->gmore = &This->global_more;
  68     This->global.u3.lpDD = pDD->local.lpGbl;
  69     /* FIXME: more global stuff */
  70
  71     This->final_release = Main_DirectDrawSurface_final_release;
  72     This->late_allocate = Main_DirectDrawSurface_late_allocate;
  73     This->attach = Main_DirectDrawSurface_attach;
  74     This->detach = Main_DirectDrawSurface_detach;
  75     This->lock_update = Main_DirectDrawSurface_lock_update;
  76     This->unlock_update = Main_DirectDrawSurface_unlock_update;
  77     This->lose_surface = Main_DirectDrawSurface_lose_surface;
  78     This->set_palette    = Main_DirectDrawSurface_set_palette;
  79     This->update_palette = Main_DirectDrawSurface_update_palette;
  80     This->get_display_window = Main_DirectDrawSurface_get_display_window;
  81     This->get_gamma_ramp = Main_DirectDrawSurface_get_gamma_ramp;
  82     This->set_gamma_ramp = Main_DirectDrawSurface_set_gamma_ramp;
  83
  84     ICOM_INIT_INTERFACE(This, IDirectDrawSurface3,
  85                         DDRAW_IDDS3_Thunk_VTable);
  86     ICOM_INIT_INTERFACE(This, IDirectDrawGammaControl,
  87                         DDRAW_IDDGC_VTable);
  88
  89     /* There is no generic implementation of IDDS7 or texture */
  90
  91     Main_DirectDraw_AddSurface(pDD, This);
  92     return DD_OK;
  93 }
  94
  95 void Main_DirectDrawSurface_final_release(IDirectDrawSurfaceImpl* This)
  96 {
  97     Main_DirectDraw_RemoveSurface(This->ddraw_owner, This);
  98 }
  99
 100 HRESULT Main_DirectDrawSurface_late_allocate(IDirectDrawSurfaceImpl* This)
 101 {
 102     return DD_OK;
 103 }
 104
 105 static void Main_DirectDrawSurface_Destroy(IDirectDrawSurfaceImpl* This)
 106 {
 107     if (This->palette) {
 108         IDirectDrawPalette_Release(ICOM_INTERFACE(This->palette, IDirectDrawPalette));
 109         This->palette = NULL;
 110     }
 111     This->final_release(This);
 112     if (This->private != This+1) HeapFree(GetProcessHeap(), 0, This->private);
 113     if (This->tex_private) HeapFree(GetProcessHeap(), 0, This->tex_private);
 114     HeapFree(GetProcessHeap(), 0, This);
 115 }
 116
 117 void Main_DirectDrawSurface_ForceDestroy(IDirectDrawSurfaceImpl* This)
 118 {
 119     WARN("destroying surface %p with refcnt %lu\n", This, This->ref);
 120     Main_DirectDrawSurface_Destroy(This);
 121 }
 122
 123 ULONG WINAPI Main_DirectDrawSurface_Release(LPDIRECTDRAWSURFACE7 iface)
 124 {
 125     ICOM_THIS(IDirectDrawSurfaceImpl, iface);
 126
 127     TRACE("(%p)->(): decreasing from %ld\n", This, This->ref);
 128
 129     if (--This->ref == 0)
 130     {
 131         if (This->aux_release)
 132             This->aux_release(This->aux_ctx, This->aux_data);
 133         Main_DirectDrawSurface_Destroy(This);
 134
 135         TRACE("released surface %p\n", This);
 136
 137         return 0;
 138     }
 139
 140     return This->ref;
 141 }
 142
 143 ULONG WINAPI Main_DirectDrawSurface_AddRef(LPDIRECTDRAWSURFACE7 iface)
 144 {
 145     ICOM_THIS(IDirectDrawSurfaceImpl, iface);
 146
 147     TRACE("(%p)->(): increasing from %ld\n", This, This->ref);
 148
 149     return ++This->ref;
 150 }
 151
 152 HRESULT WINAPI
 153 Main_DirectDrawSurface_QueryInterface(LPDIRECTDRAWSURFACE7 iface, REFIID riid,
 154                                       LPVOID* ppObj)
 155 {
 156     ICOM_THIS(IDirectDrawSurfaceImpl, iface);
 157     TRACE("(%p)->(%s,%p)\n", This, debugstr_guid(riid), ppObj);
 158
 159     *ppObj = NULL;
 160
 161     if (IsEqualGUID(&IID_IUnknown, riid)
 162         || IsEqualGUID(&IID_IDirectDrawSurface7, riid)
 163         || IsEqualGUID(&IID_IDirectDrawSurface4, riid))
 164     {
 165         This->ref++;
 166         *ppObj = ICOM_INTERFACE(This, IDirectDrawSurface7);
 167         return S_OK;
 168     }
 169     else if (IsEqualGUID(&IID_IDirectDrawSurface, riid)
 170              || IsEqualGUID(&IID_IDirectDrawSurface2, riid)
 171              || IsEqualGUID(&IID_IDirectDrawSurface3, riid))
 172     {
 173         This->ref++;
 174         *ppObj = ICOM_INTERFACE(This, IDirectDrawSurface3);
 175         return S_OK;
 176     }
 177     else if (IsEqualGUID(&IID_IDirectDrawGammaControl, riid))
 178     {
 179         This->ref++;
 180         *ppObj = ICOM_INTERFACE(This, IDirectDrawGammaControl);
 181         return S_OK;
 182     }
 183 #ifdef HAVE_OPENGL
 184     /* interfaces following here require OpenGL */
 185     if( !opengl_initialized )
 186         return E_NOINTERFACE;
 187
 188     if ( IsEqualGUID( &IID_D3DDEVICE_OpenGL, riid ) ||
 189           IsEqualGUID( &IID_IDirect3DHALDevice, riid) )
 190     {
 191         IDirect3DDeviceImpl *d3ddevimpl;
 192         HRESULT ret_value;
 193
 194         ret_value = d3ddevice_create(&d3ddevimpl, This->ddraw_owner, This, TRUE);
 195         if (FAILED(ret_value)) return ret_value;
 196
 197         *ppObj = ICOM_INTERFACE(d3ddevimpl, IDirect3DDevice);
 198         TRACE(" returning Direct3DDevice interface at %p.\n", *ppObj);
 199
 200         This->ref++; /* No idea if this is correct.. Need to check using real Windows */
 201         return ret_value;
 202     }
 203     else if (IsEqualGUID( &IID_IDirect3DTexture, riid ) ||
 204              IsEqualGUID( &IID_IDirect3DTexture2, riid ))
 205     {
 206         HRESULT ret_value = S_OK;
 207
 208         /* Note: this is not exactly how Windows does it... But this seems not to hurt the only
 209                  application I know creating a texture without this flag set and it will prevent
 210                  bugs in other parts of Wine.
 211         */
 212         This->surface_desc.ddsCaps.dwCaps |= DDSCAPS_TEXTURE;
 213
 214         /* In case the texture surface was created before the D3D creation */
 215         if (This->tex_private == NULL) {
 216             if (This->ddraw_owner->d3d_private == NULL) {
 217                 ERR("Texture created with no D3D object yet.. Not supported !\n");
 218                 return E_NOINTERFACE;
 219             }
 220
 221             ret_value = This->ddraw_owner->d3d_create_texture(This->ddraw_owner, This, FALSE, This->mip_main);
 222             if (FAILED(ret_value)) return ret_value;
 223         }
 224         if (IsEqualGUID( &IID_IDirect3DTexture, riid )) {
 225             *ppObj = ICOM_INTERFACE(This, IDirect3DTexture);
 226             TRACE(" returning Direct3DTexture interface at %p.\n", *ppObj);
 227         } else {
 228             *ppObj = ICOM_INTERFACE(This, IDirect3DTexture2);
 229             TRACE(" returning Direct3DTexture2 interface at %p.\n", *ppObj);
 230         }
 231         This->ref++;
 232         return ret_value;
 233     }
 234 #endif
 235
 236     return E_NOINTERFACE;
 237 }
 238
 239 /*** Callbacks */
 240
 241 BOOL
 242 Main_DirectDrawSurface_attach(IDirectDrawSurfaceImpl *This,
 243                               IDirectDrawSurfaceImpl *to)
 244 {
 245     return TRUE;
 246 }
 247
 248 BOOL Main_DirectDrawSurface_detach(IDirectDrawSurfaceImpl *This)
 249 {
 250     return TRUE;
 251 }
 252
 253 void
 254 Main_DirectDrawSurface_lock_update(IDirectDrawSurfaceImpl* This, LPCRECT pRect,
 255         DWORD dwFlags)
 256 {
 257 }
 258
 259 void
 260 Main_DirectDrawSurface_unlock_update(IDirectDrawSurfaceImpl* This,
 261                                      LPCRECT pRect)
 262 {
 263 }
 264
 265 void
 266 Main_DirectDrawSurface_lose_surface(IDirectDrawSurfaceImpl* This)
 267 {
 268 }
 269
 270 void
 271 Main_DirectDrawSurface_set_palette(IDirectDrawSurfaceImpl* This,
 272                                    IDirectDrawPaletteImpl* pal)
 273 {
 274 }
 275
 276 void
 277 Main_DirectDrawSurface_update_palette(IDirectDrawSurfaceImpl* This,
 278                                       IDirectDrawPaletteImpl* pal,
 279                                       DWORD dwStart, DWORD dwCount,
 280                                       LPPALETTEENTRY palent)
 281 {
 282 }
 283
 284 HWND
 285 Main_DirectDrawSurface_get_display_window(IDirectDrawSurfaceImpl* This)
 286 {
 287     return 0;
 288 }
 289
 290 HRESULT
 291 Main_DirectDrawSurface_get_gamma_ramp(IDirectDrawSurfaceImpl* This,
 292                                       DWORD dwFlags,
 293                                       LPDDGAMMARAMP lpGammaRamp)
 294 {
 295     HDC hDC;
 296     HRESULT hr;
 297     hr = This->get_dc(This, &hDC);
 298     if (FAILED(hr)) return hr;
 299     hr = GetDeviceGammaRamp(hDC, lpGammaRamp) ? DD_OK : DDERR_UNSUPPORTED;
 300     This->release_dc(This, hDC);
 301     return hr;
 302 }
 303
 304 HRESULT
 305 Main_DirectDrawSurface_set_gamma_ramp(IDirectDrawSurfaceImpl* This,
 306                                       DWORD dwFlags,
 307                                       LPDDGAMMARAMP lpGammaRamp)
 308 {
 309     HDC hDC;
 310     HRESULT hr;
 311     hr = This->get_dc(This, &hDC);
 312     if (FAILED(hr)) return hr;
 313     hr = SetDeviceGammaRamp(hDC, lpGammaRamp) ? DD_OK : DDERR_UNSUPPORTED;
 314     This->release_dc(This, hDC);
 315     return hr;
 316 }
 317
 318
 319 /*** Interface functions */
 320
 321 HRESULT WINAPI
 322 Main_DirectDrawSurface_AddAttachedSurface(LPDIRECTDRAWSURFACE7 iface,
 323                                           LPDIRECTDRAWSURFACE7 pAttach)
 324 {
 325     ICOM_THIS(IDirectDrawSurfaceImpl, iface);
 326     IDirectDrawSurfaceImpl* surf = ICOM_OBJECT(IDirectDrawSurfaceImpl,
 327                                                IDirectDrawSurface7, pAttach);
 328
 329     TRACE("(%p)->(%p)\n",This,pAttach);
 330
 331     /* Does windows check this? */
 332     if (surf == This)
 333         return DDERR_CANNOTATTACHSURFACE; /* unchecked */
 334
 335     /* Does windows check this? */
 336     if (surf->ddraw_owner != This->ddraw_owner)
 337         return DDERR_CANNOTATTACHSURFACE; /* unchecked */
 338
 339     if (surf->surface_owner != NULL)
 340         return DDERR_SURFACEALREADYATTACHED; /* unchecked */
 341
 342     /* TODO MSDN: "You can attach only z-buffer surfaces with this method."
 343      * But apparently backbuffers and mipmaps can be attached too. */
 344
 345     /* Set MIPMAPSUBLEVEL if this seems to be one */
 346     if (This->surface_desc.ddsCaps.dwCaps &
 347         surf->surface_desc.ddsCaps.dwCaps & DDSCAPS_MIPMAP) {
 348         surf->surface_desc.ddsCaps.dwCaps2 |= DDSCAPS2_MIPMAPSUBLEVEL;
 349         /* FIXME: we should probably also add to dwMipMapCount of this
 350          * and all parent surfaces (update create_texture if you do) */
 351     }
 352
 353     /* Callback to allow the surface to do something special now that it is
 354      * attached. (e.g. maybe the Z-buffer tells the renderer to use it.) */
 355     if (!surf->attach(surf, This))
 356         return DDERR_CANNOTATTACHSURFACE;
 357
 358     /* check: Where should it go in the chain? This puts it on the head. */
 359     if (This->attached)
 360         This->attached->prev_attached = surf;
 361     surf->next_attached = This->attached;
 362     surf->prev_attached = NULL;
 363     This->attached = surf;
 364     surf->surface_owner = This;
 365
 366     IDirectDrawSurface7_AddRef(pAttach);
 367
 368     return DD_OK;
 369 }
 370
 371 /* MSDN: "not currently implemented." */
 372 HRESULT WINAPI
 373 Main_DirectDrawSurface_AddOverlayDirtyRect(LPDIRECTDRAWSURFACE7 iface,
 374                                            LPRECT pRect)
 375 {
 376     TRACE("(%p)->(%p)\n",iface,pRect);
 377     return DDERR_UNSUPPORTED; /* unchecked */
 378 }
 379
 380 /* MSDN: "not currently implemented." */
 381 HRESULT WINAPI
 382 Main_DirectDrawSurface_BltBatch(LPDIRECTDRAWSURFACE7 iface,
 383                                 LPDDBLTBATCH pBatch, DWORD dwCount,
 384                                 DWORD dwFlags)
 385 {
 386     TRACE("(%p)->(%p,%ld,%08lx)\n",iface,pBatch,dwCount,dwFlags);
 387     return DDERR_UNSUPPORTED; /* unchecked */
 388 }
 389
 390 HRESULT WINAPI
 391 Main_DirectDrawSurface_ChangeUniquenessValue(LPDIRECTDRAWSURFACE7 iface)
 392 {
 393     ICOM_THIS(IDirectDrawSurfaceImpl, iface);
 394     volatile IDirectDrawSurfaceImpl* vThis = This;
 395
 396     TRACE("(%p)\n",This);
 397     /* A uniquness value of 0 is apparently special.
 398      * This needs to be checked. */
 399     while (1)
 400     {
 401         DWORD old_uniqueness_value = vThis->uniqueness_value;
 402         DWORD new_uniqueness_value = old_uniqueness_value+1;
 403
 404         if (old_uniqueness_value == 0) break;
 405         if (new_uniqueness_value == 0) new_uniqueness_value = 1;
 406
 407         if (InterlockedCompareExchange((LONG*)&vThis->uniqueness_value,
 408                                        old_uniqueness_value,
 409                                        new_uniqueness_value)
 410             == old_uniqueness_value)
 411             break;
 412     }
 413
 414     return DD_OK;
 415 }
 416
 417 HRESULT WINAPI
 418 Main_DirectDrawSurface_DeleteAttachedSurface(LPDIRECTDRAWSURFACE7 iface,
 419                                              DWORD dwFlags,
 420                                              LPDIRECTDRAWSURFACE7 pAttach)
 421 {
 422     ICOM_THIS(IDirectDrawSurfaceImpl, iface);
 423     IDirectDrawSurfaceImpl* surf = ICOM_OBJECT(IDirectDrawSurfaceImpl,
 424                                                IDirectDrawSurface7, pAttach);
 425
 426     TRACE("(%p)->(%08lx,%p)\n",This,dwFlags,pAttach);
 427
 428     if (!surf || (surf->surface_owner != This))
 429         return DDERR_SURFACENOTATTACHED; /* unchecked */
 430
 431     surf->detach(surf);
 432
 433     /* Remove MIPMAPSUBLEVEL if this seemed to be one */
 434     if (This->surface_desc.ddsCaps.dwCaps &
 435         surf->surface_desc.ddsCaps.dwCaps & DDSCAPS_MIPMAP) {
 436         surf->surface_desc.ddsCaps.dwCaps2 &= ~DDSCAPS2_MIPMAPSUBLEVEL;
 437         /* FIXME: we should probably also subtract from dwMipMapCount of this
 438          * and all parent surfaces */
 439     }
 440
 441     if (surf->next_attached)
 442         surf->next_attached->prev_attached = surf->prev_attached;
 443     if (surf->prev_attached)
 444         surf->prev_attached->next_attached = surf->next_attached;
 445     if (This->attached == surf)
 446         This->attached = surf->next_attached;
 447
 448     IDirectDrawSurface7_Release(pAttach);
 449
 450     return DD_OK;
 451 }
 452
 453 HRESULT WINAPI
 454 Main_DirectDrawSurface_EnumAttachedSurfaces(LPDIRECTDRAWSURFACE7 iface,
 455                                             LPVOID context,
 456                                             LPDDENUMSURFACESCALLBACK7 cb)
 457 {
 458     ICOM_THIS(IDirectDrawSurfaceImpl, iface);
 459     IDirectDrawSurfaceImpl* surf;
 460
 461     TRACE("(%p)->(%p,%p)\n",This,context,cb);
 462
 463     for (surf = This->attached; surf != NULL; surf = surf->next_attached)
 464     {
 465         /* check: != DDENUMRET_OK or == DDENUMRET_CANCEL? */
 466         if (cb(ICOM_INTERFACE(surf, IDirectDrawSurface7), &surf->surface_desc,
 467                context) == DDENUMRET_CANCEL)
 468             break;
 469     }
 470
 471     return DD_OK;
 472 }
 473
 474 HRESULT WINAPI
 475 Main_DirectDrawSurface_EnumOverlayZOrders(LPDIRECTDRAWSURFACE7 iface,
 476                                           DWORD dwFlags, LPVOID context,
 477                                           LPDDENUMSURFACESCALLBACK7 cb)
 478 {
 479     TRACE("(%p)->(%08lx,%p,%p)\n",iface,dwFlags,context,cb);
 480     return DD_OK;
 481 }
 482
 483 BOOL Main_DirectDrawSurface_flip_data(IDirectDrawSurfaceImpl* front,
 484                                       IDirectDrawSurfaceImpl* back,
 485                                       DWORD dwFlags)
 486 {
 487     /* uniqueness_value? */
 488     /* This is necessary. But is it safe? */
 489     {
 490         HDC tmp = front->hDC;
 491         front->hDC = back->hDC;
 492         back->hDC = tmp;
 493     }
 494
 495     {
 496         BOOL tmp = front->dc_in_use;
 497         front->dc_in_use = back->dc_in_use;
 498         back->dc_in_use = tmp;
 499     }
 500
 501     {
 502         FLATPTR tmp = front->global.fpVidMem;
 503         front->global.fpVidMem = back->global.fpVidMem;
 504         back->global.fpVidMem = tmp;
 505     }
 506
 507     {
 508         ULONG_PTR tmp = front->global_more.hKernelSurface;
 509         front->global_more.hKernelSurface = back->global_more.hKernelSurface;
 510         back->global_more.hKernelSurface = tmp;
 511     }
 512
 513     return TRUE;
 514 }
 515
 516 /* This is unnecessarely complicated :-) */
 517 #define MEASUREMENT_WINDOW 5
 518 #define NUMBER_OF_WINDOWS 10
 519
 520 static LONGLONG perf_freq;
 521 static LONGLONG perf_storage[NUMBER_OF_WINDOWS];
 522 static LONGLONG prev_time = 0;
 523 static unsigned int current_window;
 524 static unsigned int measurements_in_window;
 525 static unsigned int valid_windows;
 526
 527 HRESULT WINAPI
 528 Main_DirectDrawSurface_Flip(LPDIRECTDRAWSURFACE7 iface,
 529                             LPDIRECTDRAWSURFACE7 override, DWORD dwFlags)
 530 {
 531     ICOM_THIS(IDirectDrawSurfaceImpl, iface);
 532     IDirectDrawSurfaceImpl* target;
 533     HRESULT hr;
 534
 535     TRACE("(%p)->(%p,%08lx)\n",This,override,dwFlags);
 536
 537     if (TRACE_ON(ddraw_fps)) {
 538         LONGLONG current_time;
 539         LONGLONG frame_duration;
 540         QueryPerformanceCounter((LARGE_INTEGER *) &current_time);
 541
 542         if (prev_time != 0) {
 543             LONGLONG total_time = 0;
 544             int tot_meas;
 545
 546             frame_duration = current_time - prev_time;
 547             prev_time = current_time;
 548
 549             perf_storage[current_window] += frame_duration;
 550             measurements_in_window++;
 551
 552             if (measurements_in_window >= MEASUREMENT_WINDOW) {
 553                 current_window++;
 554                 valid_windows++;
 555
 556                 if (valid_windows < NUMBER_OF_WINDOWS) {
 557                     int i;
 558                     tot_meas = valid_windows * MEASUREMENT_WINDOW;
 559                     for (i = 0; i < valid_windows; i++) {
 560                         total_time += perf_storage[i];
 561                     }
 562                 } else {
 563                     int i;
 564                     tot_meas = NUMBER_OF_WINDOWS * MEASUREMENT_WINDOW;
 565                     for (i = 0; i < NUMBER_OF_WINDOWS; i++) {
 566                         total_time += perf_storage[i];
 567                     }
 568                 }
 569
 570                 TRACE_(ddraw_fps)(" %9.5f\n", (double) (perf_freq * tot_meas) / (double) total_time);
 571
 572                 if (current_window >= NUMBER_OF_WINDOWS) {
 573                     current_window = 0;
 574                 }
 575                 perf_storage[current_window] = 0;
 576                 measurements_in_window = 0;
 577             }
 578         } else {
 579             prev_time = current_time;
 580             memset(perf_storage, 0, sizeof(perf_storage));
 581             current_window = 0;
 582             valid_windows = 0;
 583             measurements_in_window = 0;
 584             QueryPerformanceFrequency((LARGE_INTEGER *) &perf_freq);
 585         }
 586     }
 587
 588     /* MSDN: "This method can be called only for a surface that has the
 589      * DDSCAPS_FLIP and DDSCAPS_FRONTBUFFER capabilities." */
 590     if ((This->surface_desc.ddsCaps.dwCaps&(DDSCAPS_FLIP|DDSCAPS_FRONTBUFFER))
 591         != (DDSCAPS_FLIP|DDSCAPS_FRONTBUFFER))
 592         return DDERR_NOTFLIPPABLE;
 593
 594     if (This->aux_flip)
 595         if (This->aux_flip(This->aux_ctx, This->aux_data))
 596             return DD_OK;
 597
 598     /* 1. find the flip target */
 599     /* XXX I don't think this algorithm works for more than 1 backbuffer. */
 600     if (override == NULL)
 601     {
 602         static DDSCAPS2 back_caps = { DDSCAPS_BACKBUFFER };
 603         LPDIRECTDRAWSURFACE7 tgt;
 604
 605         hr = IDirectDrawSurface7_GetAttachedSurface(iface, &back_caps, &tgt);
 606         if (FAILED(hr)) return DDERR_NOTFLIPPABLE; /* unchecked */
 607
 608         target = ICOM_OBJECT(IDirectDrawSurfaceImpl, IDirectDrawSurface7,
 609                              tgt);
 610         IDirectDrawSurface7_Release(tgt);
 611     }
 612     else
 613     {
 614         BOOL on_chain = FALSE;
 615         IDirectDrawSurfaceImpl* surf;
 616
 617         /* MSDN: "The method fails if the specified [override] surface is not
 618          * a member of the flipping chain." */
 619
 620         /* Verify that override is on this flip chain. We assume that
 621          * surf is the head of the flipping chain, because it's the front
 622          * buffer. */
 623         target = ICOM_OBJECT(IDirectDrawSurfaceImpl, IDirectDrawSurface7,
 624                              override);
 625
 626         /* Either target is (indirectly) attached to This or This is
 627          * (indirectly) attached to target. */
 628         for (surf = target; surf != NULL; surf = surf->surface_owner)
 629         {
 630             if (surf == This)
 631             {
 632                 on_chain = TRUE;
 633                 break;
 634             }
 635         }
 636
 637         if (!on_chain)
 638             return DDERR_INVALIDPARAMS; /* unchecked */
 639     }
 640
 641     TRACE("flip to backbuffer: %p\n",target);
 642     if (TRACE_ON(ddraw_flip)) {
 643         static unsigned int flip_count = 0;
 644         IDirectDrawPaletteImpl *palette;
 645         char buf[32];
 646         FILE *f;
 647
 648         /* Hack for paletted games... */
 649         palette = target->palette;
 650         target->palette = This->palette;
 651
 652         sprintf(buf, "flip_%08d.ppm", flip_count++);
 653         TRACE_(ddraw_flip)("Dumping file %s to disk.\n", buf);
 654         f = fopen(buf, "wb");
 655         DDRAW_dump_surface_to_disk(target, f, 8);
 656         target->palette = palette;
 657     }
 658
 659     if (This->flip_data(This, target, dwFlags))
 660         This->flip_update(This, dwFlags);
 661
 662     return DD_OK;
 663 }
 664
 665 static PrivateData* find_private_data(IDirectDrawSurfaceImpl *This,
 666                                       REFGUID tag)
 667 {
 668     PrivateData* data;
 669     for (data = This->private_data; data != NULL; data = data->next)
 670     {
 671         if (IsEqualGUID(&data->tag, tag)) break;
 672     }
 673
 674     return data;
 675 }
 676
 677 HRESULT WINAPI
 678 Main_DirectDrawSurface_FreePrivateData(LPDIRECTDRAWSURFACE7 iface, REFGUID tag)
 679 {
 680     ICOM_THIS(IDirectDrawSurfaceImpl, iface);
 681     PrivateData *data;
 682
 683     data = find_private_data(This, tag);
 684     if (data == NULL) return DDERR_NOTFOUND;
 685
 686     if (data->prev)
 687         data->prev->next = data->next;
 688     if (data->next)
 689         data->next->prev = data->prev;
 690
 691     if (data->flags & DDSPD_IUNKNOWNPTR)
 692     {
 693         if (data->ptr.object != NULL)
 694             IUnknown_Release(data->ptr.object);
 695     }
 696     else
 697         HeapFree(GetProcessHeap(), 0, data->ptr.data);
 698
 699     HeapFree(GetProcessHeap(), 0, data);
 700
 701     return DD_OK;
 702 }
 703
 704 HRESULT WINAPI
 705 Main_DirectDrawSurface_GetAttachedSurface(LPDIRECTDRAWSURFACE7 iface,
 706                                           LPDDSCAPS2 pCaps,
 707                                           LPDIRECTDRAWSURFACE7* ppSurface)
 708 {
 709     ICOM_THIS(IDirectDrawSurfaceImpl, iface);
 710     IDirectDrawSurfaceImpl* surf;
 711     IDirectDrawSurfaceImpl* found = NULL;
 712     DDSCAPS2 our_caps;
 713
 714     if (TRACE_ON(ddraw)) {
 715         TRACE("(%p)->Looking for caps: %lx,%lx,%lx,%lx output: %p\n",This,pCaps->dwCaps, pCaps->dwCaps2,
 716               pCaps->dwCaps3, pCaps->dwCaps4, ppSurface);
 717         TRACE("   Caps are : "); DDRAW_dump_DDSCAPS2(pCaps); TRACE("\n");
 718     }
 719
 720     our_caps = *pCaps;
 721     if ((This->ddraw_owner->local.dwLocalFlags & DDRAWILCL_DIRECTDRAW7) == 0) {
 722         /* As this is not a DirectDraw7 application, remove the garbage that some games
 723            put in the new fields of the DDSCAPS2 structure. */
 724         our_caps.dwCaps2 = 0;
 725         our_caps.dwCaps3 = 0;
 726         our_caps.dwCaps4 = 0;
 727         if (TRACE_ON(ddraw)) {
 728             TRACE("   Real caps are : "); DDRAW_dump_DDSCAPS2(&our_caps); TRACE("\n");
 729         }
 730     }
 731
 732     for (surf = This->attached; surf != NULL; surf = surf->next_attached)
 733     {
 734         if (TRACE_ON(ddraw)) {
 735             TRACE("Surface: (%p) caps: %lx,%lx,%lx,%lx \n",surf ,
 736                   surf->surface_desc.ddsCaps.dwCaps,
 737                   surf->surface_desc.ddsCaps.dwCaps2,
 738                   surf->surface_desc.ddsCaps.dwCaps3,
 739                   surf->surface_desc.ddsCaps.dwCaps4);
 740             TRACE("   Surface caps are : "); DDRAW_dump_DDSCAPS2(&(surf->surface_desc.ddsCaps)); TRACE("\n");
 741         }
 742         if (((surf->surface_desc.ddsCaps.dwCaps & our_caps.dwCaps) == our_caps.dwCaps) &&
 743             ((surf->surface_desc.ddsCaps.dwCaps2 & our_caps.dwCaps2) == our_caps.dwCaps2))
 744         {
 745             /* MSDN: "This method fails if more than one surface is attached
 746              * that matches the capabilities requested." */
 747             if (found != NULL)
 748             {
 749                 FIXME("More than one attached surface matches requested caps.  What should we do here?\n");
 750                 /* Previous code returned 'DDERR_NOTFOUND'.  That appears not
 751                    to be correct, given what 3DMark expects from MipMapped surfaces.
 752                    We shall just continue instead. */
 753             }
 754
 755             found = surf;
 756         }
 757     }
 758
 759     if (found == NULL) {
 760         TRACE("Did not find any valid surface\n");
 761         return DDERR_NOTFOUND;
 762     }
 763
 764     *ppSurface = ICOM_INTERFACE(found, IDirectDrawSurface7);
 765
 766     if (TRACE_ON(ddraw)) {
 767         TRACE("Returning surface %p with description : \n", *ppSurface);
 768         DDRAW_dump_surface_desc(&(found->surface_desc));
 769     }
 770
 771     /* XXX d3dframe.cpp sometimes AddRefs things that it gets from us. */
 772     IDirectDrawSurface7_AddRef(ICOM_INTERFACE(found, IDirectDrawSurface7));
 773     return DD_OK;
 774 }
 775
 776 HRESULT WINAPI
 777 Main_DirectDrawSurface_GetBltStatus(LPDIRECTDRAWSURFACE7 iface, DWORD dwFlags)
 778 {
 779     TRACE("(%p)->(%08lx)\n",iface,dwFlags);
 780
 781     switch (dwFlags)
 782     {
 783     case DDGBS_CANBLT:
 784     case DDGBS_ISBLTDONE:
 785         return DD_OK;
 786
 787     default:
 788         return DDERR_INVALIDPARAMS;
 789     }
 790 }
 791
 792 HRESULT WINAPI
 793 Main_DirectDrawSurface_GetCaps(LPDIRECTDRAWSURFACE7 iface, LPDDSCAPS2 pCaps)
 794 {
 795     ICOM_THIS(IDirectDrawSurfaceImpl, iface);
 796
 797     TRACE("(%p)->(%p)\n",This,pCaps);
 798     *pCaps = This->surface_desc.ddsCaps;
 799     return DD_OK;
 800 }
 801
 802 HRESULT WINAPI
 803 Main_DirectDrawSurface_GetClipper(LPDIRECTDRAWSURFACE7 iface,
 804                                   LPDIRECTDRAWCLIPPER* ppClipper)
 805 {
 806     ICOM_THIS(IDirectDrawSurfaceImpl, iface);
 807
 808     TRACE("(%p)->(%p)\n",This,ppClipper);
 809     if (This->clipper == NULL)
 810         return DDERR_NOCLIPPERATTACHED;
 811
 812     *ppClipper = ICOM_INTERFACE(This->clipper, IDirectDrawClipper);
 813     IDirectDrawClipper_AddRef(ICOM_INTERFACE(This->clipper,
 814                                              IDirectDrawClipper));
 815     return DD_OK;
 816 }
 817
 818 HRESULT WINAPI
 819 Main_DirectDrawSurface_GetColorKey(LPDIRECTDRAWSURFACE7 iface, DWORD dwFlags,
 820                                    LPDDCOLORKEY pCKey)
 821 {
 822     /* There is a DDERR_NOCOLORKEY error, but how do we know if a color key
 823      * isn't there? That's like saying that an int isn't there. (Which MS
 824      * has done in other docs.) */
 825
 826     ICOM_THIS(IDirectDrawSurfaceImpl, iface);
 827
 828     TRACE("(%p)->(%08lx,%p)\n",This,dwFlags,pCKey);
 829     if (TRACE_ON(ddraw)) {
 830         TRACE(" - colorkey flags : ");
 831         DDRAW_dump_colorkeyflag(dwFlags);
 832     }
 833
 834     switch (dwFlags)
 835     {
 836     case DDCKEY_DESTBLT:
 837         *pCKey = This->surface_desc.ddckCKDestBlt;
 838         break;
 839
 840     case DDCKEY_DESTOVERLAY:
 841         *pCKey = This->surface_desc.u3.ddckCKDestOverlay;
 842         break;
 843
 844     case DDCKEY_SRCBLT:
 845         *pCKey = This->surface_desc.ddckCKSrcBlt;
 846         break;
 847
 848     case DDCKEY_SRCOVERLAY:
 849         *pCKey = This->surface_desc.ddckCKSrcOverlay;
 850         break;
 851
 852     default:
 853         return DDERR_INVALIDPARAMS;
 854     }
 855
 856     return DD_OK;
 857 }
 858
 859 /* XXX We need to do something with the DC if the surface gets lost. */
 860 HRESULT WINAPI
 861 Main_DirectDrawSurface_GetDC(LPDIRECTDRAWSURFACE7 iface, HDC *phDC)
 862 {
 863     DDSURFACEDESC2 ddsd;
 864     HRESULT hr;
 865     ICOM_THIS(IDirectDrawSurfaceImpl, iface);
 866
 867     TRACE("(%p)->(%p)\n",This,phDC);
 868     CHECK_LOST(This);
 869
 870     LOCK_OBJECT(This);
 871
 872     if (This->dc_in_use)
 873     {
 874         UNLOCK_OBJECT(This);
 875         return DDERR_DCALREADYCREATED;
 876     }
 877
 878     /* Lock as per MSDN.
 879      * Strange: Lock lists DDERR_SURFACEBUSY as an error, meaning that another
 880      * thread has it locked, but GetDC does not. */
 881     ddsd.dwSize = sizeof(ddsd);
 882     hr = IDirectDrawSurface7_Lock(iface, NULL, &ddsd, 0, 0);
 883     if (FAILED(hr))
 884     {
 885         UNLOCK_OBJECT(This);
 886         return hr;
 887     }
 888
 889     hr = This->get_dc(This, &This->hDC);
 890     if (SUCCEEDED(hr))
 891     {
 892         TRACE("returning %p\n",This->hDC);
 893
 894         *phDC = This->hDC;
 895         This->dc_in_use = TRUE;
 896     }
 897     else WARN("No DC! Prepare for trouble\n");
 898
 899     UNLOCK_OBJECT(This);
 900     return hr;
 901 }
 902
 903 HRESULT WINAPI
 904 Main_DirectDrawSurface_GetDDInterface(LPDIRECTDRAWSURFACE7 iface, LPVOID* pDD)
 905 {
 906     ICOM_THIS(IDirectDrawSurfaceImpl, iface);
 907
 908     TRACE("(%p)->(%p)\n",This,pDD);
 909     *pDD = ICOM_INTERFACE(This->ddraw_owner, IDirectDraw7);
 910     IDirectDraw7_AddRef(ICOM_INTERFACE(This->ddraw_owner, IDirectDraw7));
 911     return DD_OK;
 912 }
 913
 914 HRESULT WINAPI
 915 Main_DirectDrawSurface_GetFlipStatus(LPDIRECTDRAWSURFACE7 iface, DWORD dwFlags)
 916 {
 917     /* XXX: DDERR_INVALIDSURFACETYPE */
 918
 919     TRACE("(%p)->(%08lx)\n",iface,dwFlags);
 920     switch (dwFlags)
 921     {
 922     case DDGFS_CANFLIP:
 923     case DDGFS_ISFLIPDONE:
 924         return DD_OK;
 925
 926     default:
 927         return DDERR_INVALIDPARAMS;
 928     }
 929 }
 930
 931 HRESULT WINAPI
 932 Main_DirectDrawSurface_GetLOD(LPDIRECTDRAWSURFACE7 iface, LPDWORD pdwMaxLOD)
 933 {
 934     ICOM_THIS(IDirectDrawSurfaceImpl, iface);
 935
 936     TRACE("(%p)->(%p)\n",This,pdwMaxLOD);
 937     CHECK_TEXTURE(This);
 938
 939     *pdwMaxLOD = This->max_lod;
 940     return DD_OK;
 941 }
 942
 943 HRESULT WINAPI
 944 Main_DirectDrawSurface_GetOverlayPosition(LPDIRECTDRAWSURFACE7 iface,
 945                                           LPLONG pX, LPLONG pY)
 946 {
 947     return DDERR_NOTAOVERLAYSURFACE;
 948 }
 949
 950 HRESULT WINAPI
 951 Main_DirectDrawSurface_GetPalette(LPDIRECTDRAWSURFACE7 iface,
 952                                   LPDIRECTDRAWPALETTE* ppPalette)
 953 {
 954     ICOM_THIS(IDirectDrawSurfaceImpl, iface);
 955
 956     TRACE("(%p)->(%p)\n",This,ppPalette);
 957     if (This->palette == NULL)
 958         return DDERR_NOPALETTEATTACHED;
 959
 960     *ppPalette = ICOM_INTERFACE(This->palette, IDirectDrawPalette);
 961     IDirectDrawPalette_AddRef(ICOM_INTERFACE(This->palette,
 962                                              IDirectDrawPalette));
 963     return DD_OK;
 964 }
 965
 966 HRESULT WINAPI
 967 Main_DirectDrawSurface_GetPixelFormat(LPDIRECTDRAWSURFACE7 iface,
 968                                       LPDDPIXELFORMAT pDDPixelFormat)
 969 {
 970     /* What is DDERR_INVALIDSURFACETYPE for here? */
 971     ICOM_THIS(IDirectDrawSurfaceImpl, iface);
 972
 973     TRACE("(%p)->(%p)\n",This,pDDPixelFormat);
 974     DD_STRUCT_COPY_BYSIZE(pDDPixelFormat,&This->surface_desc.u4.ddpfPixelFormat);
 975     return DD_OK;
 976 }
 977
 978 HRESULT WINAPI
 979 Main_DirectDrawSurface_GetPriority(LPDIRECTDRAWSURFACE7 iface,
 980                                    LPDWORD pdwPriority)
 981 {
 982     ICOM_THIS(IDirectDrawSurfaceImpl, iface);
 983
 984     TRACE("(%p)->(%p)\n",This,pdwPriority);
 985     CHECK_TEXTURE(This);
 986
 987     *pdwPriority = This->priority;
 988     return DD_OK;
 989 }
 990
 991 HRESULT WINAPI
 992 Main_DirectDrawSurface_GetPrivateData(LPDIRECTDRAWSURFACE7 iface,
 993                                       REFGUID tag, LPVOID pBuffer,
 994                                       LPDWORD pcbBufferSize)
 995 {
 996     ICOM_THIS(IDirectDrawSurfaceImpl, iface);
 997     PrivateData* data;
 998
 999     data = find_private_data(This, tag);
1000     if (data == NULL) return DDERR_NOTFOUND;
1001
1002     /* This may not be right. */
1003     if ((data->flags & DDSPD_VOLATILE)
1004         && data->uniqueness_value != This->uniqueness_value)
1005         return DDERR_EXPIRED;
1006
1007     if (*pcbBufferSize < data->size)
1008     {
1009         *pcbBufferSize = data->size;
1010         return DDERR_MOREDATA;
1011     }
1012
1013     if (data->flags & DDSPD_IUNKNOWNPTR)
1014     {
1015         *(LPUNKNOWN *)pBuffer = data->ptr.object;
1016         IUnknown_AddRef(data->ptr.object);
1017     }
1018     else
1019     {
1020         memcpy(pBuffer, data->ptr.data, data->size);
1021     }
1022
1023     return DD_OK;
1024 }
1025
1026 HRESULT WINAPI
1027 Main_DirectDrawSurface_GetSurfaceDesc(LPDIRECTDRAWSURFACE7 iface,
1028                                       LPDDSURFACEDESC2 pDDSD)
1029 {
1030     ICOM_THIS(IDirectDrawSurfaceImpl, iface);
1031
1032     TRACE("(%p)->(%p)\n",This,pDDSD);
1033     if ((pDDSD->dwSize < sizeof(DDSURFACEDESC)) ||
1034         (pDDSD->dwSize > sizeof(DDSURFACEDESC2))) {
1035         ERR("Impossible/Strange struct size %ld.\n",pDDSD->dwSize);
1036         return DDERR_GENERIC;
1037     }
1038
1039     DD_STRUCT_COPY_BYSIZE(pDDSD,&This->surface_desc);
1040     if (TRACE_ON(ddraw)) {
1041       DDRAW_dump_surface_desc(pDDSD);
1042     }
1043     return DD_OK;
1044 }
1045
1046 HRESULT WINAPI
1047 Main_DirectDrawSurface_GetUniquenessValue(LPDIRECTDRAWSURFACE7 iface,
1048                                           LPDWORD pValue)
1049 {
1050     ICOM_THIS(IDirectDrawSurfaceImpl, iface);
1051
1052     TRACE("(%p)->(%p)\n",This,pValue);
1053     *pValue = This->uniqueness_value;
1054     return DD_OK;
1055 }
1056
1057 HRESULT WINAPI
1058 Main_DirectDrawSurface_Initialize(LPDIRECTDRAWSURFACE7 iface,
1059                                   LPDIRECTDRAW pDD, LPDDSURFACEDESC2 pDDSD)
1060 {
1061     TRACE("(%p)->(%p,%p)\n",iface,pDD,pDDSD);
1062     return DDERR_ALREADYINITIALIZED;
1063 }
1064
1065 HRESULT WINAPI
1066 Main_DirectDrawSurface_IsLost(LPDIRECTDRAWSURFACE7 iface)
1067 {
1068     ICOM_THIS(IDirectDrawSurfaceImpl, iface);
1069
1070     TRACE("(%p) is%s lost\n",This, (This->lost ? "" : " not"));
1071     return This->lost ? DDERR_SURFACELOST : DD_OK;
1072 }
1073
1074
1075 /* XXX This doesn't actually do any locking or keep track of the locked
1076  * rectangles. The behaviour is poorly documented. */
1077 HRESULT WINAPI
1078 Main_DirectDrawSurface_Lock(LPDIRECTDRAWSURFACE7 iface, LPRECT prect,
1079                             LPDDSURFACEDESC2 pDDSD, DWORD flags, HANDLE h)
1080 {
1081     ICOM_THIS(IDirectDrawSurfaceImpl, iface);
1082
1083     if (TRACE_ON(ddraw)) {
1084         TRACE("(%p)->Lock(%p,%p,%08lx,%08lx)\n",This,prect,pDDSD,flags,(DWORD)h);
1085         TRACE(" - locking flags : "); DDRAW_dump_lockflag(flags);
1086     }
1087     if (WARN_ON(ddraw)) {
1088         if (flags & ~(DDLOCK_WAIT|DDLOCK_READONLY|DDLOCK_WRITEONLY)) {
1089             WARN(" - unsupported locking flag : "); DDRAW_dump_lockflag(flags & ~(DDLOCK_WAIT|DDLOCK_READONLY|DDLOCK_WRITEONLY));
1090         }
1091     }
1092
1093     /* First, copy the Surface description */
1094     DD_STRUCT_COPY_BYSIZE(pDDSD,&(This->surface_desc));
1095
1096     /* Used to optimize the D3D Device locking */
1097     This->lastlocktype = flags & (DDLOCK_READONLY|DDLOCK_WRITEONLY);
1098
1099     /* If asked only for a part, change the surface pointer.
1100      * (Not documented.) */
1101     if (prect != NULL) {
1102         TRACE(" lprect: %ldx%ld-%ldx%ld\n",
1103                 prect->left,prect->top,prect->right,prect->bottom);
1104         /* First do some sanity checkings on the rectangle we receive.
1105            DungeonSiege seems to gives us once a very bad rectangle for example */
1106         if ((prect->top < 0) ||
1107             (prect->left < 0) ||
1108             (prect->bottom < 0) ||
1109             (prect->right < 0) ||
1110             (prect->left >= prect->right) ||
1111             (prect->top >= prect->bottom) ||
1112             (prect->left >= This->surface_desc.dwWidth) ||
1113             (prect->right > This->surface_desc.dwWidth) ||
1114             (prect->top >= This->surface_desc.dwHeight) ||
1115             (prect->bottom > This->surface_desc.dwHeight)) {
1116             ERR(" Invalid values in LPRECT !!!\n");
1117             return DDERR_INVALIDPARAMS;
1118         }
1119
1120         This->lock_update(This, prect, flags);
1121
1122         pDDSD->lpSurface = (char *)This->surface_desc.lpSurface
1123             + prect->top * This->surface_desc.u1.lPitch
1124             + prect->left * GET_BPP(This->surface_desc);
1125     } else {
1126         This->lock_update(This, NULL, flags);
1127     }
1128
1129     TRACE("locked surface returning description : \n");
1130     if (TRACE_ON(ddraw)) DDRAW_dump_surface_desc(pDDSD);
1131
1132     return DD_OK;
1133 }
1134
1135 HRESULT WINAPI
1136 Main_DirectDrawSurface_PageLock(LPDIRECTDRAWSURFACE7 iface, DWORD dwFlags)
1137 {
1138     /* Some surface types should return DDERR_CANTPAGELOCK. */
1139     return DD_OK;
1140 }
1141
1142 HRESULT WINAPI
1143 Main_DirectDrawSurface_PageUnlock(LPDIRECTDRAWSURFACE7 iface, DWORD dwFlags)
1144 {
1145     /* Some surface types should return DDERR_CANTPAGEUNLOCK, and we should
1146      * keep track so we can return DDERR_NOTPAGELOCKED as appropriate. */
1147     return DD_OK;
1148 }
1149
1150 HRESULT WINAPI
1151 Main_DirectDrawSurface_ReleaseDC(LPDIRECTDRAWSURFACE7 iface, HDC hDC)
1152 {
1153     HRESULT hr;
1154     ICOM_THIS(IDirectDrawSurfaceImpl, iface);
1155
1156     TRACE("(%p)->(%p)\n",This,hDC);
1157
1158     if (!This->dc_in_use || This->hDC != hDC)
1159         return DDERR_INVALIDPARAMS;
1160
1161     This->release_dc(This, hDC);
1162
1163     hr = IDirectDrawSurface7_Unlock(iface, NULL);
1164     if (FAILED(hr)) return hr;
1165
1166     This->dc_in_use = FALSE;
1167     This->hDC = 0;
1168
1169     return DD_OK;
1170 }
1171
1172 /* Restore */
1173
1174 HRESULT WINAPI
1175 Main_DirectDrawSurface_SetClipper(LPDIRECTDRAWSURFACE7 iface,
1176                                   LPDIRECTDRAWCLIPPER pDDClipper)
1177 {
1178     ICOM_THIS(IDirectDrawSurfaceImpl, iface);
1179
1180     TRACE("(%p)->(%p)\n",This,pDDClipper);
1181     if (pDDClipper == ICOM_INTERFACE(This->clipper, IDirectDrawClipper))
1182         return DD_OK;
1183
1184     if (This->clipper != NULL)
1185         IDirectDrawClipper_Release(ICOM_INTERFACE(This->clipper,
1186                                                   IDirectDrawClipper));
1187
1188     This->clipper = ICOM_OBJECT(IDirectDrawClipperImpl, IDirectDrawClipper,
1189                                 pDDClipper);
1190     if (pDDClipper != NULL)
1191         IDirectDrawClipper_AddRef(pDDClipper);
1192
1193     return DD_OK;
1194 }
1195
1196 HRESULT WINAPI
1197 Main_DirectDrawSurface_SetColorKey(LPDIRECTDRAWSURFACE7 iface,
1198                                    DWORD dwFlags, LPDDCOLORKEY pCKey)
1199 {
1200     ICOM_THIS(IDirectDrawSurfaceImpl, iface);
1201
1202     TRACE("(%p)->(%08lx,%p)\n",This,dwFlags,pCKey);
1203
1204     if (TRACE_ON(ddraw)) {
1205         TRACE(" - colorkey flags : ");
1206         DDRAW_dump_colorkeyflag(dwFlags);
1207     }
1208
1209     if ((dwFlags & DDCKEY_COLORSPACE) != 0) {
1210         FIXME(" colorkey value not supported (%08lx) !\n", dwFlags);
1211         return DDERR_INVALIDPARAMS;
1212     }
1213
1214     /* TODO: investigate if this function can take multiple bits set at the same
1215              time (ie setting multiple colorkey values at the same time with only
1216              one API call).
1217     */
1218     if (pCKey) {
1219         switch (dwFlags & ~DDCKEY_COLORSPACE) {
1220             case DDCKEY_DESTBLT:
1221                 This->surface_desc.ddckCKDestBlt = *pCKey;
1222                 This->surface_desc.dwFlags |= DDSD_CKDESTBLT;
1223                 break;
1224
1225             case DDCKEY_DESTOVERLAY:
1226                 This->surface_desc.u3.ddckCKDestOverlay = *pCKey;
1227                 This->surface_desc.dwFlags |= DDSD_CKDESTOVERLAY;
1228                 break;
1229
1230             case DDCKEY_SRCOVERLAY:
1231                 This->surface_desc.ddckCKSrcOverlay = *pCKey;
1232                 This->surface_desc.dwFlags |= DDSD_CKSRCOVERLAY;
1233                 break;
1234
1235             case DDCKEY_SRCBLT:
1236                 This->surface_desc.ddckCKSrcBlt = *pCKey;
1237                 This->surface_desc.dwFlags |= DDSD_CKSRCBLT;
1238                 break;
1239
1240             default:
1241                 return DDERR_INVALIDPARAMS;
1242         }
1243     } else {
1244         switch (dwFlags & ~DDCKEY_COLORSPACE) {
1245             case DDCKEY_DESTBLT:
1246                 This->surface_desc.dwFlags &= ~DDSD_CKDESTBLT;
1247                 break;
1248
1249             case DDCKEY_DESTOVERLAY:
1250                 This->surface_desc.dwFlags &= ~DDSD_CKDESTOVERLAY;
1251                 break;
1252
1253             case DDCKEY_SRCOVERLAY:
1254                 This->surface_desc.dwFlags &= ~DDSD_CKSRCOVERLAY;
1255                 break;
1256
1257             case DDCKEY_SRCBLT:
1258                 This->surface_desc.dwFlags &= ~DDSD_CKSRCBLT;
1259                 break;
1260
1261             default:
1262                 return DDERR_INVALIDPARAMS;
1263         }
1264     }
1265
1266     if (This->aux_setcolorkey_cb) This->aux_setcolorkey_cb(This, dwFlags, pCKey);
1267
1268     return DD_OK;
1269 }
1270
1271 HRESULT WINAPI
1272 Main_DirectDrawSurface_SetLOD(LPDIRECTDRAWSURFACE7 iface, DWORD dwMaxLOD)
1273 {
1274     ICOM_THIS(IDirectDrawSurfaceImpl, iface);
1275
1276     TRACE("(%p)->(%08lx)\n",This,dwMaxLOD);
1277     CHECK_TEXTURE(This);
1278
1279     This->max_lod = dwMaxLOD;
1280     return DD_OK;
1281 }
1282
1283 HRESULT WINAPI
1284 Main_DirectDrawSurface_SetOverlayPosition(LPDIRECTDRAWSURFACE7 iface,
1285                                           LONG X, LONG Y)
1286 {
1287     return DDERR_NOTAOVERLAYSURFACE;
1288 }
1289
1290 HRESULT WINAPI
1291 Main_DirectDrawSurface_SetPalette(LPDIRECTDRAWSURFACE7 iface,
1292                                   LPDIRECTDRAWPALETTE pPalette)
1293 {
1294     ICOM_THIS(IDirectDrawSurfaceImpl, iface);
1295     IDirectDrawPalette *pal_to_rel = NULL;
1296
1297     TRACE("(%p)->(%p)\n",This,pPalette);
1298     if (pPalette == ICOM_INTERFACE(This->palette, IDirectDrawPalette))
1299         return DD_OK;
1300
1301     if (This->palette != NULL) {
1302         if (This->surface_desc.ddsCaps.dwCaps & DDSCAPS_PRIMARYSURFACE)
1303             This->palette->global.dwFlags &= ~DDPCAPS_PRIMARYSURFACE;
1304         pal_to_rel = ICOM_INTERFACE(This->palette, IDirectDrawPalette);
1305     }
1306
1307     This->palette = ICOM_OBJECT(IDirectDrawPaletteImpl, IDirectDrawPalette,
1308                                 pPalette);
1309     if (pPalette != NULL) {
1310         IDirectDrawPalette_AddRef(pPalette);
1311         if (This->surface_desc.ddsCaps.dwCaps & DDSCAPS_PRIMARYSURFACE)
1312             This->palette->global.dwFlags |= DDPCAPS_PRIMARYSURFACE;
1313     }
1314
1315     This->set_palette(This, This->palette);
1316
1317     /* Do the palette release at the end to prevent doing some 'loop' when removing
1318      * the surface maintaining the last reference on a palette.
1319      */
1320     if (pal_to_rel != NULL)
1321         IDirectDrawPalette_Release(pal_to_rel);
1322
1323     return DD_OK;
1324 }
1325
1326 HRESULT WINAPI
1327 Main_DirectDrawSurface_SetPriority(LPDIRECTDRAWSURFACE7 iface,
1328                                    DWORD dwPriority)
1329 {
1330     ICOM_THIS(IDirectDrawSurfaceImpl, iface);
1331
1332     TRACE("(%p)->(%08lx)\n",This,dwPriority);
1333     CHECK_TEXTURE(This);
1334
1335     This->priority = dwPriority;
1336     return DD_OK;
1337 }
1338
1339 /* Be careful when locking this: it is risky to call the object's AddRef
1340  * or Release holding a lock. */
1341 HRESULT WINAPI
1342 Main_DirectDrawSurface_SetPrivateData(LPDIRECTDRAWSURFACE7 iface,
1343                                       REFGUID tag, LPVOID pData,
1344                                       DWORD cbSize, DWORD dwFlags)
1345 {
1346     PrivateData* data;
1347     ICOM_THIS(IDirectDrawSurfaceImpl, iface);
1348
1349     data = find_private_data(This, tag);
1350     if (data == NULL)
1351     {
1352         data = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*data));
1353         if (data == NULL) return DDERR_OUTOFMEMORY;
1354
1355         data->tag = *tag;
1356         data->flags = dwFlags;
1357         data->uniqueness_value = This->uniqueness_value;
1358
1359         if (dwFlags & DDSPD_IUNKNOWNPTR)
1360         {
1361             data->ptr.object = (LPUNKNOWN)pData;
1362             data->size = sizeof(LPUNKNOWN);
1363             IUnknown_AddRef(data->ptr.object);
1364         }
1365         else
1366         {
1367             data->ptr.data = HeapAlloc(GetProcessHeap(), 0, cbSize);
1368             if (data->ptr.data == NULL)
1369             {
1370                 HeapFree(GetProcessHeap(), 0, data);
1371                 return DDERR_OUTOFMEMORY;
1372             }
1373         }
1374
1375         /* link it in */
1376         data->next = This->private_data;
1377         data->prev = NULL;
1378         if (This->private_data)
1379             This->private_data->prev = data;
1380         This->private_data = data;
1381
1382         return DD_OK;
1383     }
1384     else
1385     {
1386         /* I don't actually know how windows handles this case. The only
1387          * reason I don't just call FreePrivateData is because I want to
1388          * guarantee SetPrivateData working when using LPUNKNOWN or data
1389          * that is no larger than the old data. */
1390
1391         return E_FAIL;
1392     }
1393 }
1394
1395 /* SetSurfaceDesc */
1396
1397 HRESULT WINAPI
1398 Main_DirectDrawSurface_Unlock(LPDIRECTDRAWSURFACE7 iface, LPRECT pRect)
1399 {
1400     ICOM_THIS(IDirectDrawSurfaceImpl,iface);
1401
1402     TRACE("(%p)->Unlock(%p)\n",This,pRect);
1403
1404     This->unlock_update(This, pRect);
1405     if (This->aux_unlock)
1406         This->aux_unlock(This->aux_ctx, This->aux_data, pRect);
1407
1408     return DD_OK;
1409 }
1410
1411 HRESULT WINAPI
1412 Main_DirectDrawSurface_UpdateOverlay(LPDIRECTDRAWSURFACE7 iface,
1413                                      LPRECT pSrcRect,
1414                                      LPDIRECTDRAWSURFACE7 pDstSurface,
1415                                      LPRECT pDstRect, DWORD dwFlags,
1416                                      LPDDOVERLAYFX pFX)
1417 {
1418     return DDERR_UNSUPPORTED;
1419 }
1420
1421 /* MSDN: "not currently implemented." */
1422 HRESULT WINAPI
1423 Main_DirectDrawSurface_UpdateOverlayDisplay(LPDIRECTDRAWSURFACE7 iface,
1424                                             DWORD dwFlags)
1425 {
1426     return DDERR_UNSUPPORTED;
1427 }
1428
1429 HRESULT WINAPI
1430 Main_DirectDrawSurface_UpdateOverlayZOrder(LPDIRECTDRAWSURFACE7 iface,
1431                                            DWORD dwFlags,
1432                                            LPDIRECTDRAWSURFACE7 pDDSRef)
1433 {
1434     return DDERR_NOTAOVERLAYSURFACE;
1435 }