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

   1 /*        DirectDraw Base Functions
   2  *
   3  * Copyright 1997-1999 Marcus Meissner
   4  * Copyright 1998 Lionel Ulmer
   5  * Copyright 2000-2001 TransGaming Technologies Inc.
   6  * Copyright 2006 Stefan Dösinger
   7  * Copyright 2008 Denver Gingerich
   8  *
   9  * This file contains the (internal) driver registration functions,
  10  * driver enumeration APIs and DirectDraw creation functions.
  11  *
  12  * This library is free software; you can redistribute it and/or
  13  * modify it under the terms of the GNU Lesser General Public
  14  * License as published by the Free Software Foundation; either
  15  * version 2.1 of the License, or (at your option) any later version.
  16  *
  17  * This library is distributed in the hope that it will be useful,
  18  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  19  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  20  * Lesser General Public License for more details.
  21  *
  22  * You should have received a copy of the GNU Lesser General Public
  23  * License along with this library; if not, write to the Free Software
  24  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  25  */
  26
  27 #include "config.h"
  28 #include "wine/port.h"
  29 #include "wine/debug.h"
  30
  31 #include <assert.h>
  32 #include <stdarg.h>
  33 #include <string.h>
  34 #include <stdlib.h>
  35
  36 #define COBJMACROS
  37
  38 #include "windef.h"
  39 #include "winbase.h"
  40 #include "winerror.h"
  41 #include "wingdi.h"
  42 #include "wine/exception.h"
  43 #include "winreg.h"
  44
  45 #include "ddraw.h"
  46 #include "d3d.h"
  47
  48 #define DDRAW_INIT_GUID
  49 #include "ddraw_private.h"
  50
  51 static typeof(WineDirect3DCreate) *pWineDirect3DCreate;
  52
  53 WINE_DEFAULT_DEBUG_CHANNEL(ddraw);
  54
  55 /* The configured default surface */
  56 WINED3DSURFTYPE DefaultSurfaceType = SURFACE_UNKNOWN;
  57
  58 /* DDraw list and critical section */
  59 static struct list global_ddraw_list = LIST_INIT(global_ddraw_list);
  60
  61 static CRITICAL_SECTION_DEBUG ddraw_cs_debug =
  62 {
  63     0, 0, &ddraw_cs,
  64     { &ddraw_cs_debug.ProcessLocksList,
  65     &ddraw_cs_debug.ProcessLocksList },
  66     0, 0, { (DWORD_PTR)(__FILE__ ": ddraw_cs") }
  67 };
  68 CRITICAL_SECTION ddraw_cs = { &ddraw_cs_debug, -1, 0, 0, 0, 0 };
  69
  70 /* value of ForceRefreshRate */
  71 DWORD force_refresh_rate = 0;
  72
  73 /*
  74  * Helper Function for DDRAW_Create and DirectDrawCreateClipper for
  75  * lazy loading of the Wine D3D driver.
  76  *
  77  * Returns
  78  *  TRUE on success
  79  *  FALSE on failure.
  80  */
  81
  82 BOOL LoadWineD3D(void)
  83 {
  84     static HMODULE hWineD3D = (HMODULE) -1;
  85     if (hWineD3D == (HMODULE) -1)
  86     {
  87         hWineD3D = LoadLibraryA("wined3d");
  88         if (hWineD3D)
  89         {
  90             pWineDirect3DCreate = (typeof(WineDirect3DCreate) *)GetProcAddress(hWineD3D, "WineDirect3DCreate");
  91             pWineDirect3DCreateClipper = (typeof(WineDirect3DCreateClipper) *) GetProcAddress(hWineD3D, "WineDirect3DCreateClipper");
  92             return TRUE;
  93         }
  94     }
  95     return hWineD3D != NULL;
  96 }
  97
  98 /***********************************************************************
  99  *
 100  * Helper function for DirectDrawCreate and friends
 101  * Creates a new DDraw interface with the given REFIID
 102  *
 103  * Interfaces that can be created:
 104  *  IDirectDraw, IDirectDraw2, IDirectDraw4, IDirectDraw7
 105  *  IDirect3D, IDirect3D2, IDirect3D3, IDirect3D7. (Does Windows return
 106  *  IDirect3D interfaces?)
 107  *
 108  * Arguments:
 109  *  guid: ID of the requested driver, NULL for the default driver.
 110  *        The GUID can be queried with DirectDrawEnumerate(Ex)A/W
 111  *  DD: Used to return the pointer to the created object
 112  *  UnkOuter: For aggregation, which is unsupported. Must be NULL
 113  *  iid: requested version ID.
 114  *
 115  * Returns:
 116  *  DD_OK if the Interface was created successfully
 117  *  CLASS_E_NOAGGREGATION if UnkOuter is not NULL
 118  *  E_OUTOFMEMORY if some allocation failed
 119  *
 120  ***********************************************************************/
 121 static HRESULT
 122 DDRAW_Create(const GUID *guid,
 123              void **DD,
 124              IUnknown *UnkOuter,
 125              REFIID iid)
 126 {
 127     IDirectDrawImpl *This = NULL;
 128     HRESULT hr;
 129     IWineD3D *wineD3D = NULL;
 130     IWineD3DDevice *wineD3DDevice = NULL;
 131     HDC hDC;
 132     WINED3DDEVTYPE devicetype;
 133
 134     TRACE("(%s,%p,%p)\n", debugstr_guid(guid), DD, UnkOuter);
 135
 136     *DD = NULL;
 137
 138     /* We don't care about this guids. Well, there's no special guid anyway
 139      * OK, we could
 140      */
 141     if (guid == (GUID *) DDCREATE_EMULATIONONLY)
 142     {
 143         /* Use the reference device id. This doesn't actually change anything,
 144          * WineD3D always uses OpenGL for D3D rendering. One could make it request
 145          * indirect rendering
 146          */
 147         devicetype = WINED3DDEVTYPE_REF;
 148     }
 149     else if(guid == (GUID *) DDCREATE_HARDWAREONLY)
 150     {
 151         devicetype = WINED3DDEVTYPE_HAL;
 152     }
 153     else
 154     {
 155         devicetype = 0;
 156     }
 157
 158     /* DDraw doesn't support aggregation, according to msdn */
 159     if (UnkOuter != NULL)
 160         return CLASS_E_NOAGGREGATION;
 161
 162     /* DirectDraw creation comes here */
 163     This = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IDirectDrawImpl));
 164     if(!This)
 165     {
 166         ERR("Out of memory when creating DirectDraw\n");
 167         return E_OUTOFMEMORY;
 168     }
 169
 170     /* The interfaces:
 171      * IDirectDraw and IDirect3D are the same object,
 172      * QueryInterface is used to get other interfaces.
 173      */
 174     This->lpVtbl = &IDirectDraw7_Vtbl;
 175     This->IDirectDraw_vtbl = &IDirectDraw1_Vtbl;
 176     This->IDirectDraw2_vtbl = &IDirectDraw2_Vtbl;
 177     This->IDirectDraw3_vtbl = &IDirectDraw3_Vtbl;
 178     This->IDirectDraw4_vtbl = &IDirectDraw4_Vtbl;
 179     This->IDirect3D_vtbl = &IDirect3D1_Vtbl;
 180     This->IDirect3D2_vtbl = &IDirect3D2_Vtbl;
 181     This->IDirect3D3_vtbl = &IDirect3D3_Vtbl;
 182     This->IDirect3D7_vtbl = &IDirect3D7_Vtbl;
 183     This->device_parent_vtbl = &ddraw_wined3d_device_parent_vtbl;
 184
 185     /* See comments in IDirectDrawImpl_CreateNewSurface for a description
 186      * of this member.
 187      * Read from a registry key, should add a winecfg option later
 188      */
 189     This->ImplType = DefaultSurfaceType;
 190
 191     /* Get the current screen settings */
 192     hDC = GetDC(0);
 193     This->orig_bpp = GetDeviceCaps(hDC, BITSPIXEL) * GetDeviceCaps(hDC, PLANES);
 194     ReleaseDC(0, hDC);
 195     This->orig_width = GetSystemMetrics(SM_CXSCREEN);
 196     This->orig_height = GetSystemMetrics(SM_CYSCREEN);
 197
 198     if (!LoadWineD3D())
 199     {
 200         ERR("Couldn't load WineD3D - OpenGL libs not present?\n");
 201         hr = DDERR_NODIRECTDRAWSUPPORT;
 202         goto err_out;
 203     }
 204
 205     /* Initialize WineD3D
 206      *
 207      * All Rendering (2D and 3D) is relayed to WineD3D,
 208      * but DirectDraw specific management, like DDSURFACEDESC and DDPIXELFORMAT
 209      * structure handling is handled in this lib.
 210      */
 211     wineD3D = pWineDirect3DCreate(7 /* DXVersion */, (IUnknown *) This /* Parent */);
 212     if(!wineD3D)
 213     {
 214         ERR("Failed to initialise WineD3D\n");
 215         hr = E_OUTOFMEMORY;
 216         goto err_out;
 217     }
 218     This->wineD3D = wineD3D;
 219     TRACE("WineD3D created at %p\n", wineD3D);
 220
 221     /* Initialized member...
 222      *
 223      * It is set to false at creation time, and set to true in
 224      * IDirectDraw7::Initialize. Its sole purpose is to return DD_OK on
 225      * initialize only once
 226      */
 227     This->initialized = FALSE;
 228
 229     /* Initialize WineD3DDevice
 230      *
 231      * It is used for screen setup, surface and palette creation
 232      * When a Direct3DDevice7 is created, the D3D capabilities of WineD3D are
 233      * initialized
 234      */
 235     hr = IWineD3D_CreateDevice(wineD3D, 0 /* D3D_ADAPTER_DEFAULT */, devicetype, NULL /* FocusWindow, don't know yet */,
 236             0 /* BehaviorFlags */, (IUnknown *)This, (IWineD3DDeviceParent *)&This->device_parent_vtbl, &wineD3DDevice);
 237     if(FAILED(hr))
 238     {
 239         ERR("Failed to create a wineD3DDevice, result = %x\n", hr);
 240         goto err_out;
 241     }
 242     This->wineD3DDevice = wineD3DDevice;
 243     TRACE("wineD3DDevice created at %p\n", This->wineD3DDevice);
 244
 245     /* Get the amount of video memory */
 246     This->total_vidmem = IWineD3DDevice_GetAvailableTextureMem(This->wineD3DDevice);
 247
 248     list_init(&This->surface_list);
 249     list_add_head(&global_ddraw_list, &This->ddraw_list_entry);
 250
 251     /* Call QueryInterface to get the pointer to the requested interface. This also initializes
 252      * The required refcount
 253      */
 254     hr = IDirectDraw7_QueryInterface((IDirectDraw7 *)This, iid, DD);
 255     if(SUCCEEDED(hr)) return DD_OK;
 256
 257 err_out:
 258     /* Let's hope we never need this ;) */
 259     if(wineD3DDevice) IWineD3DDevice_Release(wineD3DDevice);
 260     if(wineD3D) IWineD3D_Release(wineD3D);
 261     HeapFree(GetProcessHeap(), 0, This->decls);
 262     HeapFree(GetProcessHeap(), 0, This);
 263     return hr;
 264 }
 265
 266 /***********************************************************************
 267  * DirectDrawCreate (DDRAW.@)
 268  *
 269  * Creates legacy DirectDraw Interfaces. Can't create IDirectDraw7
 270  * interfaces in theory
 271  *
 272  * Arguments, return values: See DDRAW_Create
 273  *
 274  ***********************************************************************/
 275 HRESULT WINAPI DECLSPEC_HOTPATCH
 276 DirectDrawCreate(GUID *GUID,
 277                  LPDIRECTDRAW *DD,
 278                  IUnknown *UnkOuter)
 279 {
 280     HRESULT hr;
 281     TRACE("(%s,%p,%p)\n", debugstr_guid(GUID), DD, UnkOuter);
 282
 283     EnterCriticalSection(&ddraw_cs);
 284     hr = DDRAW_Create(GUID, (void **) DD, UnkOuter, &IID_IDirectDraw);
 285     LeaveCriticalSection(&ddraw_cs);
 286     return hr;
 287 }
 288
 289 /***********************************************************************
 290  * DirectDrawCreateEx (DDRAW.@)
 291  *
 292  * Only creates new IDirectDraw7 interfaces, supposed to fail if legacy
 293  * interfaces are requested.
 294  *
 295  * Arguments, return values: See DDRAW_Create
 296  *
 297  ***********************************************************************/
 298 HRESULT WINAPI DECLSPEC_HOTPATCH
 299 DirectDrawCreateEx(GUID *GUID,
 300                    LPVOID *DD,
 301                    REFIID iid,
 302                    IUnknown *UnkOuter)
 303 {
 304     HRESULT hr;
 305     TRACE("(%s,%p,%s,%p)\n", debugstr_guid(GUID), DD, debugstr_guid(iid), UnkOuter);
 306
 307     if (!IsEqualGUID(iid, &IID_IDirectDraw7))
 308         return DDERR_INVALIDPARAMS;
 309
 310     EnterCriticalSection(&ddraw_cs);
 311     hr = DDRAW_Create(GUID, DD, UnkOuter, iid);
 312     LeaveCriticalSection(&ddraw_cs);
 313     return hr;
 314 }
 315
 316 /***********************************************************************
 317  * DirectDrawEnumerateA (DDRAW.@)
 318  *
 319  * Enumerates legacy ddraw drivers, ascii version. We only have one
 320  * driver, which relays to WineD3D. If we were sufficiently cool,
 321  * we could offer various interfaces, which use a different default surface
 322  * implementation, but I think it's better to offer this choice in
 323  * winecfg, because some apps use the default driver, so we would need
 324  * a winecfg option anyway, and there shouldn't be 2 ways to set one setting
 325  *
 326  * Arguments:
 327  *  Callback: Callback function from the app
 328  *  Context: Argument to the call back.
 329  *
 330  * Returns:
 331  *  DD_OK on success
 332  *  E_INVALIDARG if the Callback caused a page fault
 333  *
 334  *
 335  ***********************************************************************/
 336 HRESULT WINAPI
 337 DirectDrawEnumerateA(LPDDENUMCALLBACKA Callback,
 338                      LPVOID Context)
 339 {
 340     TRACE("(%p, %p)\n", Callback, Context);
 341
 342     TRACE(" Enumerating default DirectDraw HAL interface\n");
 343     /* We only have one driver */
 344     __TRY
 345     {
 346         static CHAR driver_desc[] = "DirectDraw HAL",
 347         driver_name[] = "display";
 348
 349         Callback(NULL, driver_desc, driver_name, Context);
 350     }
 351     __EXCEPT_PAGE_FAULT
 352     {
 353         return DDERR_INVALIDPARAMS;
 354     }
 355     __ENDTRY
 356
 357     TRACE(" End of enumeration\n");
 358     return DD_OK;
 359 }
 360
 361 /***********************************************************************
 362  * DirectDrawEnumerateExA (DDRAW.@)
 363  *
 364  * Enumerates DirectDraw7 drivers, ascii version. See
 365  * the comments above DirectDrawEnumerateA for more details.
 366  *
 367  * The Flag member is not supported right now.
 368  *
 369  ***********************************************************************/
 370 HRESULT WINAPI
 371 DirectDrawEnumerateExA(LPDDENUMCALLBACKEXA Callback,
 372                        LPVOID Context,
 373                        DWORD Flags)
 374 {
 375     TRACE("(%p, %p, 0x%08x)\n", Callback, Context, Flags);
 376
 377     if (Flags & ~(DDENUM_ATTACHEDSECONDARYDEVICES |
 378                   DDENUM_DETACHEDSECONDARYDEVICES |
 379                   DDENUM_NONDISPLAYDEVICES))
 380         return DDERR_INVALIDPARAMS;
 381
 382     if (Flags)
 383         FIXME("flags 0x%08x not handled\n", Flags);
 384
 385     TRACE("Enumerating default DirectDraw HAL interface\n");
 386
 387     /* We only have one driver by now */
 388     __TRY
 389     {
 390         static CHAR driver_desc[] = "DirectDraw HAL",
 391         driver_name[] = "display";
 392
 393         /* QuickTime expects the description "DirectDraw HAL" */
 394         Callback(NULL, driver_desc, driver_name, Context, 0);
 395     }
 396     __EXCEPT_PAGE_FAULT
 397     {
 398         return DDERR_INVALIDPARAMS;
 399     }
 400     __ENDTRY;
 401
 402     TRACE("End of enumeration\n");
 403     return DD_OK;
 404 }
 405
 406 /***********************************************************************
 407  * DirectDrawEnumerateW (DDRAW.@)
 408  *
 409  * Enumerates legacy drivers, unicode version.
 410  * This function is not implemented on Windows.
 411  *
 412  ***********************************************************************/
 413 HRESULT WINAPI
 414 DirectDrawEnumerateW(LPDDENUMCALLBACKW Callback,
 415                      LPVOID Context)
 416 {
 417     TRACE("(%p, %p)\n", Callback, Context);
 418
 419     if (!Callback)
 420         return DDERR_INVALIDPARAMS;
 421     else
 422         return DDERR_UNSUPPORTED;
 423 }
 424
 425 /***********************************************************************
 426  * DirectDrawEnumerateExW (DDRAW.@)
 427  *
 428  * Enumerates DirectDraw7 drivers, unicode version.
 429  * This function is not implemented on Windows.
 430  *
 431  ***********************************************************************/
 432 HRESULT WINAPI
 433 DirectDrawEnumerateExW(LPDDENUMCALLBACKEXW Callback,
 434                        LPVOID Context,
 435                        DWORD Flags)
 436 {
 437     TRACE("(%p, %p, 0x%x)\n", Callback, Context, Flags);
 438
 439     return DDERR_UNSUPPORTED;
 440 }
 441
 442 /***********************************************************************
 443  * Classfactory implementation.
 444  ***********************************************************************/
 445
 446 /***********************************************************************
 447  * CF_CreateDirectDraw
 448  *
 449  * DDraw creation function for the class factory
 450  *
 451  * Params:
 452  *  UnkOuter: Set to NULL
 453  *  iid: ID of the wanted interface
 454  *  obj: Address to pass the interface pointer back
 455  *
 456  * Returns
 457  *  DD_OK / DDERR*, see DDRAW_Create
 458  *
 459  ***********************************************************************/
 460 static HRESULT
 461 CF_CreateDirectDraw(IUnknown* UnkOuter, REFIID iid,
 462                     void **obj)
 463 {
 464     HRESULT hr;
 465
 466     TRACE("(%p,%s,%p)\n", UnkOuter, debugstr_guid(iid), obj);
 467
 468     EnterCriticalSection(&ddraw_cs);
 469     hr = DDRAW_Create(NULL, obj, UnkOuter, iid);
 470     LeaveCriticalSection(&ddraw_cs);
 471     return hr;
 472 }
 473
 474 /***********************************************************************
 475  * CF_CreateDirectDraw
 476  *
 477  * Clipper creation function for the class factory
 478  *
 479  * Params:
 480  *  UnkOuter: Set to NULL
 481  *  iid: ID of the wanted interface
 482  *  obj: Address to pass the interface pointer back
 483  *
 484  * Returns
 485  *  DD_OK / DDERR*, see DDRAW_Create
 486  *
 487  ***********************************************************************/
 488 static HRESULT
 489 CF_CreateDirectDrawClipper(IUnknown* UnkOuter, REFIID riid,
 490                               void **obj)
 491 {
 492     HRESULT hr;
 493     IDirectDrawClipper *Clip;
 494
 495     EnterCriticalSection(&ddraw_cs);
 496     hr = DirectDrawCreateClipper(0, &Clip, UnkOuter);
 497     if (hr != DD_OK)
 498     {
 499         LeaveCriticalSection(&ddraw_cs);
 500         return hr;
 501     }
 502
 503     hr = IDirectDrawClipper_QueryInterface(Clip, riid, obj);
 504     IDirectDrawClipper_Release(Clip);
 505
 506     LeaveCriticalSection(&ddraw_cs);
 507     return hr;
 508 }
 509
 510 static const struct object_creation_info object_creation[] =
 511 {
 512     { &CLSID_DirectDraw,        CF_CreateDirectDraw },
 513     { &CLSID_DirectDraw7,       CF_CreateDirectDraw },
 514     { &CLSID_DirectDrawClipper, CF_CreateDirectDrawClipper }
 515 };
 516
 517 /*******************************************************************************
 518  * IDirectDrawClassFactory::QueryInterface
 519  *
 520  * QueryInterface for the class factory
 521  *
 522  * PARAMS
 523  *    riid   Reference to identifier of queried interface
 524  *    ppv    Address to return the interface pointer at
 525  *
 526  * RETURNS
 527  *    Success: S_OK
 528  *    Failure: E_NOINTERFACE
 529  *
 530  *******************************************************************************/
 531 static HRESULT WINAPI
 532 IDirectDrawClassFactoryImpl_QueryInterface(IClassFactory *iface,
 533                     REFIID riid,
 534                     void **obj)
 535 {
 536     IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
 537
 538     TRACE("(%p)->(%s,%p)\n", This, debugstr_guid(riid), obj);
 539
 540     if (IsEqualGUID(riid, &IID_IUnknown)
 541         || IsEqualGUID(riid, &IID_IClassFactory))
 542     {
 543         IClassFactory_AddRef(iface);
 544         *obj = This;
 545         return S_OK;
 546     }
 547
 548     WARN("(%p)->(%s,%p),not found\n",This,debugstr_guid(riid),obj);
 549     return E_NOINTERFACE;
 550 }
 551
 552 /*******************************************************************************
 553  * IDirectDrawClassFactory::AddRef
 554  *
 555  * AddRef for the class factory
 556  *
 557  * RETURNS
 558  *  The new refcount
 559  *
 560  *******************************************************************************/
 561 static ULONG WINAPI
 562 IDirectDrawClassFactoryImpl_AddRef(IClassFactory *iface)
 563 {
 564     IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
 565     ULONG ref = InterlockedIncrement(&This->ref);
 566
 567     TRACE("(%p)->() incrementing from %d.\n", This, ref - 1);
 568
 569     return ref;
 570 }
 571
 572 /*******************************************************************************
 573  * IDirectDrawClassFactory::Release
 574  *
 575  * Release for the class factory. If the refcount falls to 0, the object
 576  * is destroyed
 577  *
 578  * RETURNS
 579  *  The new refcount
 580  *
 581  *******************************************************************************/
 582 static ULONG WINAPI
 583 IDirectDrawClassFactoryImpl_Release(IClassFactory *iface)
 584 {
 585     IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
 586     ULONG ref = InterlockedDecrement(&This->ref);
 587     TRACE("(%p)->() decrementing from %d.\n", This, ref+1);
 588
 589     if (ref == 0)
 590         HeapFree(GetProcessHeap(), 0, This);
 591
 592     return ref;
 593 }
 594
 595
 596 /*******************************************************************************
 597  * IDirectDrawClassFactory::CreateInstance
 598  *
 599  * What is this? Seems to create DirectDraw objects...
 600  *
 601  * Params
 602  *  The usual things???
 603  *
 604  * RETURNS
 605  *  ???
 606  *
 607  *******************************************************************************/
 608 static HRESULT WINAPI
 609 IDirectDrawClassFactoryImpl_CreateInstance(IClassFactory *iface,
 610                                            IUnknown *UnkOuter,
 611                                            REFIID riid,
 612                                            void **obj)
 613 {
 614     IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
 615
 616     TRACE("(%p)->(%p,%s,%p)\n",This,UnkOuter,debugstr_guid(riid),obj);
 617
 618     return This->pfnCreateInstance(UnkOuter, riid, obj);
 619 }
 620
 621 /*******************************************************************************
 622  * IDirectDrawClassFactory::LockServer
 623  *
 624  * What is this?
 625  *
 626  * Params
 627  *  ???
 628  *
 629  * RETURNS
 630  *  S_OK, because it's a stub
 631  *
 632  *******************************************************************************/
 633 static HRESULT WINAPI
 634 IDirectDrawClassFactoryImpl_LockServer(IClassFactory *iface,BOOL dolock)
 635 {
 636     IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
 637     FIXME("(%p)->(%d),stub!\n",This,dolock);
 638     return S_OK;
 639 }
 640
 641 /*******************************************************************************
 642  * The class factory VTable
 643  *******************************************************************************/
 644 static const IClassFactoryVtbl IClassFactory_Vtbl =
 645 {
 646     IDirectDrawClassFactoryImpl_QueryInterface,
 647     IDirectDrawClassFactoryImpl_AddRef,
 648     IDirectDrawClassFactoryImpl_Release,
 649     IDirectDrawClassFactoryImpl_CreateInstance,
 650     IDirectDrawClassFactoryImpl_LockServer
 651 };
 652
 653 /*******************************************************************************
 654  * DllGetClassObject [DDRAW.@]
 655  * Retrieves class object from a DLL object
 656  *
 657  * NOTES
 658  *    Docs say returns STDAPI
 659  *
 660  * PARAMS
 661  *    rclsid [I] CLSID for the class object
 662  *    riid   [I] Reference to identifier of interface for class object
 663  *    ppv    [O] Address of variable to receive interface pointer for riid
 664  *
 665  * RETURNS
 666  *    Success: S_OK
 667  *    Failure: CLASS_E_CLASSNOTAVAILABLE, E_OUTOFMEMORY, E_INVALIDARG,
 668  *             E_UNEXPECTED
 669  */
 670 HRESULT WINAPI DllGetClassObject(REFCLSID rclsid, REFIID riid, LPVOID *ppv)
 671 {
 672     unsigned int i;
 673     IClassFactoryImpl *factory;
 674
 675     TRACE("(%s,%s,%p)\n", debugstr_guid(rclsid), debugstr_guid(riid), ppv);
 676
 677     if ( !IsEqualGUID( &IID_IClassFactory, riid )
 678          && ! IsEqualGUID( &IID_IUnknown, riid) )
 679         return E_NOINTERFACE;
 680
 681     for (i=0; i < sizeof(object_creation)/sizeof(object_creation[0]); i++)
 682     {
 683         if (IsEqualGUID(object_creation[i].clsid, rclsid))
 684             break;
 685     }
 686
 687     if (i == sizeof(object_creation)/sizeof(object_creation[0]))
 688     {
 689         FIXME("%s: no class found.\n", debugstr_guid(rclsid));
 690         return CLASS_E_CLASSNOTAVAILABLE;
 691     }
 692
 693     factory = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*factory));
 694     if (factory == NULL) return E_OUTOFMEMORY;
 695
 696     factory->lpVtbl = &IClassFactory_Vtbl;
 697     factory->ref = 1;
 698
 699     factory->pfnCreateInstance = object_creation[i].pfnCreateInstance;
 700
 701     *ppv = factory;
 702     return S_OK;
 703 }
 704
 705
 706 /*******************************************************************************
 707  * DllCanUnloadNow [DDRAW.@]  Determines whether the DLL is in use.
 708  *
 709  * RETURNS
 710  *    Success: S_OK
 711  *    Failure: S_FALSE
 712  */
 713 HRESULT WINAPI DllCanUnloadNow(void)
 714 {
 715     return S_FALSE;
 716 }
 717
 718 /*******************************************************************************
 719  * DestroyCallback
 720  *
 721  * Callback function for the EnumSurfaces call in DllMain.
 722  * Dumps some surface info and releases the surface
 723  *
 724  * Params:
 725  *  surf: The enumerated surface
 726  *  desc: it's description
 727  *  context: Pointer to the ddraw impl
 728  *
 729  * Returns:
 730  *  DDENUMRET_OK;
 731  *******************************************************************************/
 732 static HRESULT WINAPI
 733 DestroyCallback(IDirectDrawSurface7 *surf,
 734                 DDSURFACEDESC2 *desc,
 735                 void *context)
 736 {
 737     IDirectDrawSurfaceImpl *Impl = (IDirectDrawSurfaceImpl *)surf;
 738     ULONG ref;
 739
 740     ref = IDirectDrawSurface7_Release(surf);  /* For the EnumSurfaces */
 741     WARN("Surface %p has an reference count of %d\n", Impl, ref);
 742
 743     /* Skip surfaces which are attached somewhere or which are
 744      * part of a complex compound. They will get released when destroying
 745      * the root
 746      */
 747     if( (!Impl->is_complex_root) || (Impl->first_attached != Impl) )
 748         return DDENUMRET_OK;
 749
 750     /* Destroy the surface */
 751     while(ref) ref = IDirectDrawSurface7_Release(surf);
 752
 753     return DDENUMRET_OK;
 754 }
 755
 756 /***********************************************************************
 757  * get_config_key
 758  *
 759  * Reads a config key from the registry. Taken from WineD3D
 760  *
 761  ***********************************************************************/
 762 static inline DWORD get_config_key(HKEY defkey, HKEY appkey, const char* name, char* buffer, DWORD size)
 763 {
 764     if (0 != appkey && !RegQueryValueExA( appkey, name, 0, NULL, (LPBYTE) buffer, &size )) return 0;
 765     if (0 != defkey && !RegQueryValueExA( defkey, name, 0, NULL, (LPBYTE) buffer, &size )) return 0;
 766     return ERROR_FILE_NOT_FOUND;
 767 }
 768
 769 /***********************************************************************
 770  * DllMain (DDRAW.0)
 771  *
 772  * Could be used to register DirectDraw drivers, if we have more than
 773  * one. Also used to destroy any objects left at unload if the
 774  * app didn't release them properly(Gothic 2, Diablo 2, Moto racer, ...)
 775  *
 776  ***********************************************************************/
 777 BOOL WINAPI
 778 DllMain(HINSTANCE hInstDLL,
 779         DWORD Reason,
 780         LPVOID lpv)
 781 {
 782     TRACE("(%p,%x,%p)\n", hInstDLL, Reason, lpv);
 783     if (Reason == DLL_PROCESS_ATTACH)
 784     {
 785         char buffer[MAX_PATH+10];
 786         DWORD size = sizeof(buffer);
 787         HKEY hkey = 0;
 788         HKEY appkey = 0;
 789         WNDCLASSA wc;
 790         DWORD len;
 791
 792         /* Register the window class. This is used to create a hidden window
 793          * for D3D rendering, if the application didn't pass one. It can also
 794          * be used for creating a device window from SetCooperativeLevel(). */
 795         wc.style = CS_HREDRAW | CS_VREDRAW;
 796         wc.lpfnWndProc = DefWindowProcA;
 797         wc.cbClsExtra = 0;
 798         wc.cbWndExtra = 0;
 799         wc.hInstance = hInstDLL;
 800         wc.hIcon = 0;
 801         wc.hCursor = 0;
 802         wc.hbrBackground = GetStockObject(BLACK_BRUSH);
 803         wc.lpszMenuName = NULL;
 804         wc.lpszClassName = DDRAW_WINDOW_CLASS_NAME;
 805         if (!RegisterClassA(&wc))
 806         {
 807             ERR("Failed to register ddraw window class, last error %#x.\n", GetLastError());
 808             return FALSE;
 809         }
 810
 811        /* @@ Wine registry key: HKCU\Software\Wine\Direct3D */
 812        if ( RegOpenKeyA( HKEY_CURRENT_USER, "Software\\Wine\\Direct3D", &hkey ) ) hkey = 0;
 813
 814        len = GetModuleFileNameA( 0, buffer, MAX_PATH );
 815        if (len && len < MAX_PATH)
 816        {
 817             HKEY tmpkey;
 818             /* @@ Wine registry key: HKCU\Software\Wine\AppDefaults\app.exe\Direct3D */
 819             if (!RegOpenKeyA( HKEY_CURRENT_USER, "Software\\Wine\\AppDefaults", &tmpkey ))
 820             {
 821                 char *p, *appname = buffer;
 822                 if ((p = strrchr( appname, '/' ))) appname = p + 1;
 823                 if ((p = strrchr( appname, '\\' ))) appname = p + 1;
 824                 strcat( appname, "\\Direct3D" );
 825                 TRACE("appname = [%s]\n", appname);
 826                 if (RegOpenKeyA( tmpkey, appname, &appkey )) appkey = 0;
 827                 RegCloseKey( tmpkey );
 828             }
 829        }
 830
 831        if ( 0 != hkey || 0 != appkey )
 832        {
 833             if ( !get_config_key( hkey, appkey, "DirectDrawRenderer", buffer, size) )
 834             {
 835                 if (!strcmp(buffer,"gdi"))
 836                 {
 837                     TRACE("Defaulting to GDI surfaces\n");
 838                     DefaultSurfaceType = SURFACE_GDI;
 839                 }
 840                 else if (!strcmp(buffer,"opengl"))
 841                 {
 842                     TRACE("Defaulting to opengl surfaces\n");
 843                     DefaultSurfaceType = SURFACE_OPENGL;
 844                 }
 845                 else
 846                 {
 847                     ERR("Unknown default surface type. Supported are:\n gdi, opengl\n");
 848                 }
 849             }
 850         }
 851
 852         /* On Windows one can force the refresh rate that DirectDraw uses by
 853          * setting an override value in dxdiag.  This is documented in KB315614
 854          * (main article), KB230002, and KB217348.  By comparing registry dumps
 855          * before and after setting the override, we see that the override value
 856          * is stored in HKLM\Software\Microsoft\DirectDraw\ForceRefreshRate as a
 857          * DWORD that represents the refresh rate to force.  We use this
 858          * registry entry to modify the behavior of SetDisplayMode so that Wine
 859          * users can override the refresh rate in a Windows-compatible way.
 860          *
 861          * dxdiag will not accept a refresh rate lower than 40 or higher than
 862          * 120 so this value should be within that range.  It is, of course,
 863          * possible for a user to set the registry entry value directly so that
 864          * assumption might not hold.
 865          *
 866          * There is no current mechanism for setting this value through the Wine
 867          * GUI.  It would be most appropriate to set this value through a dxdiag
 868          * clone, but it may be sufficient to use winecfg.
 869          *
 870          * TODO: Create a mechanism for setting this value through the Wine GUI.
 871          */
 872         if ( !RegOpenKeyA( HKEY_LOCAL_MACHINE, "Software\\Microsoft\\DirectDraw", &hkey ) )
 873         {
 874             DWORD type, data;
 875             size = sizeof(data);
 876             if (!RegQueryValueExA( hkey, "ForceRefreshRate", NULL, &type, (LPBYTE)&data, &size ) && type == REG_DWORD)
 877             {
 878                 TRACE("ForceRefreshRate set; overriding refresh rate to %d Hz\n", data);
 879                 force_refresh_rate = data;
 880             }
 881             RegCloseKey( hkey );
 882         }
 883
 884         DisableThreadLibraryCalls(hInstDLL);
 885     }
 886     else if (Reason == DLL_PROCESS_DETACH)
 887     {
 888         if(!list_empty(&global_ddraw_list))
 889         {
 890             struct list *entry, *entry2;
 891             WARN("There are still existing DirectDraw interfaces. Wine bug or buggy application?\n");
 892
 893             /* We remove elements from this loop */
 894             LIST_FOR_EACH_SAFE(entry, entry2, &global_ddraw_list)
 895             {
 896                 HRESULT hr;
 897                 DDSURFACEDESC2 desc;
 898                 int i;
 899                 IDirectDrawImpl *ddraw = LIST_ENTRY(entry, IDirectDrawImpl, ddraw_list_entry);
 900
 901                 WARN("DDraw %p has a refcount of %d\n", ddraw, ddraw->ref7 + ddraw->ref4 + ddraw->ref3 + ddraw->ref2 + ddraw->ref1);
 902
 903                 /* Add references to each interface to avoid freeing them unexpectedly */
 904                 IDirectDraw_AddRef((IDirectDraw *)&ddraw->IDirectDraw_vtbl);
 905                 IDirectDraw2_AddRef((IDirectDraw2 *)&ddraw->IDirectDraw2_vtbl);
 906                 IDirectDraw3_AddRef((IDirectDraw3 *)&ddraw->IDirectDraw3_vtbl);
 907                 IDirectDraw4_AddRef((IDirectDraw4 *)&ddraw->IDirectDraw4_vtbl);
 908                 IDirectDraw7_AddRef((IDirectDraw7 *)ddraw);
 909
 910                 /* Does a D3D device exist? Destroy it
 911                     * TODO: Destroy all Vertex buffers, Lights, Materials
 912                     * and execute buffers too
 913                     */
 914                 if(ddraw->d3ddevice)
 915                 {
 916                     WARN("DDraw %p has d3ddevice %p attached\n", ddraw, ddraw->d3ddevice);
 917                     while(IDirect3DDevice7_Release((IDirect3DDevice7 *)ddraw->d3ddevice));
 918                 }
 919
 920                 /* Try to release the objects
 921                     * Do an EnumSurfaces to find any hanging surfaces
 922                     */
 923                 memset(&desc, 0, sizeof(desc));
 924                 desc.dwSize = sizeof(desc);
 925                 for(i = 0; i <= 1; i++)
 926                 {
 927                     hr = IDirectDraw7_EnumSurfaces((IDirectDraw7 *)ddraw,
 928                             DDENUMSURFACES_ALL, &desc, ddraw, DestroyCallback);
 929                     if(hr != D3D_OK)
 930                         ERR("(%p) EnumSurfaces failed, prepare for trouble\n", ddraw);
 931                 }
 932
 933                 /* Check the surface count */
 934                 if(ddraw->surfaces > 0)
 935                     ERR("DDraw %p still has %d surfaces attached\n", ddraw, ddraw->surfaces);
 936
 937                 /* Release all hanging references to destroy the objects. This
 938                     * restores the screen mode too
 939                     */
 940                 while(IDirectDraw_Release((IDirectDraw *)&ddraw->IDirectDraw_vtbl));
 941                 while(IDirectDraw2_Release((IDirectDraw2 *)&ddraw->IDirectDraw2_vtbl));
 942                 while(IDirectDraw3_Release((IDirectDraw3 *)&ddraw->IDirectDraw3_vtbl));
 943                 while(IDirectDraw4_Release((IDirectDraw4 *)&ddraw->IDirectDraw4_vtbl));
 944                 while(IDirectDraw7_Release((IDirectDraw7 *)ddraw));
 945             }
 946         }
 947
 948         /* Unregister the window class. */
 949         UnregisterClassA(DDRAW_WINDOW_CLASS_NAME, hInstDLL);
 950     }
 951
 952     return TRUE;
 953 }