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
  30 #define DDRAW_INIT_GUID
  31 #include "ddraw_private.h"
  32 #include "rpcproxy.h"
  33
  34 #include "wine/exception.h"
  35 #include "winreg.h"
  36
  37 WINE_DEFAULT_DEBUG_CHANNEL(ddraw);
  38
  39 /* The configured default surface */
  40 WINED3DSURFTYPE DefaultSurfaceType = SURFACE_OPENGL;
  41
  42 /* DDraw list and critical section */
  43 static struct list global_ddraw_list = LIST_INIT(global_ddraw_list);
  44
  45 static CRITICAL_SECTION_DEBUG ddraw_cs_debug =
  46 {
  47     0, 0, &ddraw_cs,
  48     { &ddraw_cs_debug.ProcessLocksList,
  49     &ddraw_cs_debug.ProcessLocksList },
  50     0, 0, { (DWORD_PTR)(__FILE__ ": ddraw_cs") }
  51 };
  52 CRITICAL_SECTION ddraw_cs = { &ddraw_cs_debug, -1, 0, 0, 0, 0 };
  53
  54 static HINSTANCE instance;
  55
  56 /* value of ForceRefreshRate */
  57 DWORD force_refresh_rate = 0;
  58
  59 /* Handle table functions */
  60 BOOL ddraw_handle_table_init(struct ddraw_handle_table *t, UINT initial_size)
  61 {
  62     t->entries = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, initial_size * sizeof(*t->entries));
  63     if (!t->entries)
  64     {
  65         ERR("Failed to allocate handle table memory.\n");
  66         return FALSE;
  67     }
  68     t->free_entries = NULL;
  69     t->table_size = initial_size;
  70     t->entry_count = 0;
  71
  72     return TRUE;
  73 }
  74
  75 void ddraw_handle_table_destroy(struct ddraw_handle_table *t)
  76 {
  77     HeapFree(GetProcessHeap(), 0, t->entries);
  78     memset(t, 0, sizeof(*t));
  79 }
  80
  81 DWORD ddraw_allocate_handle(struct ddraw_handle_table *t, void *object, enum ddraw_handle_type type)
  82 {
  83     struct ddraw_handle_entry *entry;
  84
  85     if (t->free_entries)
  86     {
  87         DWORD idx = t->free_entries - t->entries;
  88         /* Use a free handle */
  89         entry = t->free_entries;
  90         if (entry->type != DDRAW_HANDLE_FREE)
  91         {
  92             ERR("Handle %#x (%p) is in the free list, but has type %#x.\n", idx, entry->object, entry->type);
  93             return DDRAW_INVALID_HANDLE;
  94         }
  95         t->free_entries = entry->object;
  96         entry->object = object;
  97         entry->type = type;
  98
  99         return idx;
 100     }
 101
 102     if (!(t->entry_count < t->table_size))
 103     {
 104         /* Grow the table */
 105         UINT new_size = t->table_size + (t->table_size >> 1);
 106         struct ddraw_handle_entry *new_entries = HeapReAlloc(GetProcessHeap(),
 107                 0, t->entries, new_size * sizeof(*t->entries));
 108         if (!new_entries)
 109         {
 110             ERR("Failed to grow the handle table.\n");
 111             return DDRAW_INVALID_HANDLE;
 112         }
 113         t->entries = new_entries;
 114         t->table_size = new_size;
 115     }
 116
 117     entry = &t->entries[t->entry_count];
 118     entry->object = object;
 119     entry->type = type;
 120
 121     return t->entry_count++;
 122 }
 123
 124 void *ddraw_free_handle(struct ddraw_handle_table *t, DWORD handle, enum ddraw_handle_type type)
 125 {
 126     struct ddraw_handle_entry *entry;
 127     void *object;
 128
 129     if (handle == DDRAW_INVALID_HANDLE || handle >= t->entry_count)
 130     {
 131         WARN("Invalid handle %#x passed.\n", handle);
 132         return NULL;
 133     }
 134
 135     entry = &t->entries[handle];
 136     if (entry->type != type)
 137     {
 138         WARN("Handle %#x (%p) is not of type %#x.\n", handle, entry->object, type);
 139         return NULL;
 140     }
 141
 142     object = entry->object;
 143     entry->object = t->free_entries;
 144     entry->type = DDRAW_HANDLE_FREE;
 145     t->free_entries = entry;
 146
 147     return object;
 148 }
 149
 150 void *ddraw_get_object(struct ddraw_handle_table *t, DWORD handle, enum ddraw_handle_type type)
 151 {
 152     struct ddraw_handle_entry *entry;
 153
 154     if (handle == DDRAW_INVALID_HANDLE || handle >= t->entry_count)
 155     {
 156         WARN("Invalid handle %#x passed.\n", handle);
 157         return NULL;
 158     }
 159
 160     entry = &t->entries[handle];
 161     if (entry->type != type)
 162     {
 163         WARN("Handle %#x (%p) is not of type %#x.\n", handle, entry->object, type);
 164         return NULL;
 165     }
 166
 167     return entry->object;
 168 }
 169
 170 /***********************************************************************
 171  *
 172  * Helper function for DirectDrawCreate and friends
 173  * Creates a new DDraw interface with the given REFIID
 174  *
 175  * Interfaces that can be created:
 176  *  IDirectDraw, IDirectDraw2, IDirectDraw4, IDirectDraw7
 177  *  IDirect3D, IDirect3D2, IDirect3D3, IDirect3D7. (Does Windows return
 178  *  IDirect3D interfaces?)
 179  *
 180  * Arguments:
 181  *  guid: ID of the requested driver, NULL for the default driver.
 182  *        The GUID can be queried with DirectDrawEnumerate(Ex)A/W
 183  *  DD: Used to return the pointer to the created object
 184  *  UnkOuter: For aggregation, which is unsupported. Must be NULL
 185  *  iid: requested version ID.
 186  *
 187  * Returns:
 188  *  DD_OK if the Interface was created successfully
 189  *  CLASS_E_NOAGGREGATION if UnkOuter is not NULL
 190  *  E_OUTOFMEMORY if some allocation failed
 191  *
 192  ***********************************************************************/
 193 static HRESULT
 194 DDRAW_Create(const GUID *guid,
 195              void **DD,
 196              IUnknown *UnkOuter,
 197              REFIID iid)
 198 {
 199     WINED3DDEVTYPE devicetype;
 200     IDirectDrawImpl *This;
 201     HRESULT hr;
 202
 203     TRACE("driver_guid %s, ddraw %p, outer_unknown %p, interface_iid %s.\n",
 204             debugstr_guid(guid), DD, UnkOuter, debugstr_guid(iid));
 205
 206     *DD = NULL;
 207
 208     /* We don't care about this guids. Well, there's no special guid anyway
 209      * OK, we could
 210      */
 211     if (guid == (GUID *) DDCREATE_EMULATIONONLY)
 212     {
 213         /* Use the reference device id. This doesn't actually change anything,
 214          * WineD3D always uses OpenGL for D3D rendering. One could make it request
 215          * indirect rendering
 216          */
 217         devicetype = WINED3DDEVTYPE_REF;
 218     }
 219     else if(guid == (GUID *) DDCREATE_HARDWAREONLY)
 220     {
 221         devicetype = WINED3DDEVTYPE_HAL;
 222     }
 223     else
 224     {
 225         devicetype = 0;
 226     }
 227
 228     /* DDraw doesn't support aggregation, according to msdn */
 229     if (UnkOuter != NULL)
 230         return CLASS_E_NOAGGREGATION;
 231
 232     /* DirectDraw creation comes here */
 233     This = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IDirectDrawImpl));
 234     if(!This)
 235     {
 236         ERR("Out of memory when creating DirectDraw\n");
 237         return E_OUTOFMEMORY;
 238     }
 239
 240     hr = ddraw_init(This, devicetype);
 241     if (FAILED(hr))
 242     {
 243         WARN("Failed to initialize ddraw object, hr %#x.\n", hr);
 244         HeapFree(GetProcessHeap(), 0, This);
 245         return hr;
 246     }
 247
 248     hr = IDirectDraw7_QueryInterface(&This->IDirectDraw7_iface, iid, DD);
 249     IDirectDraw7_Release(&This->IDirectDraw7_iface);
 250     if (SUCCEEDED(hr)) list_add_head(&global_ddraw_list, &This->ddraw_list_entry);
 251     else WARN("Failed to query interface %s from ddraw object %p.\n", debugstr_guid(iid), This);
 252
 253     return hr;
 254 }
 255
 256 /***********************************************************************
 257  * DirectDrawCreate (DDRAW.@)
 258  *
 259  * Creates legacy DirectDraw Interfaces. Can't create IDirectDraw7
 260  * interfaces in theory
 261  *
 262  * Arguments, return values: See DDRAW_Create
 263  *
 264  ***********************************************************************/
 265 HRESULT WINAPI DECLSPEC_HOTPATCH
 266 DirectDrawCreate(GUID *GUID,
 267                  LPDIRECTDRAW *DD,
 268                  IUnknown *UnkOuter)
 269 {
 270     HRESULT hr;
 271
 272     TRACE("driver_guid %s, ddraw %p, outer_unknown %p.\n",
 273             debugstr_guid(GUID), DD, UnkOuter);
 274
 275     EnterCriticalSection(&ddraw_cs);
 276     hr = DDRAW_Create(GUID, (void **) DD, UnkOuter, &IID_IDirectDraw);
 277     LeaveCriticalSection(&ddraw_cs);
 278
 279     if (SUCCEEDED(hr))
 280     {
 281         hr = IDirectDraw_Initialize(*DD, GUID);
 282         if (FAILED(hr))
 283             IDirectDraw_Release(*DD);
 284     }
 285
 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
 306     TRACE("driver_guid %s, ddraw %p, interface_iid %s, outer_unknown %p.\n",
 307             debugstr_guid(GUID), DD, debugstr_guid(iid), UnkOuter);
 308
 309     if (!IsEqualGUID(iid, &IID_IDirectDraw7))
 310         return DDERR_INVALIDPARAMS;
 311
 312     EnterCriticalSection(&ddraw_cs);
 313     hr = DDRAW_Create(GUID, DD, UnkOuter, iid);
 314     LeaveCriticalSection(&ddraw_cs);
 315
 316     if (SUCCEEDED(hr))
 317     {
 318         IDirectDraw7 *ddraw7 = *(IDirectDraw7 **)DD;
 319         hr = IDirectDraw7_Initialize(ddraw7, GUID);
 320         if (FAILED(hr))
 321             IDirectDraw7_Release(ddraw7);
 322     }
 323
 324     return hr;
 325 }
 326
 327 /***********************************************************************
 328  * DirectDrawEnumerateA (DDRAW.@)
 329  *
 330  * Enumerates legacy ddraw drivers, ascii version. We only have one
 331  * driver, which relays to WineD3D. If we were sufficiently cool,
 332  * we could offer various interfaces, which use a different default surface
 333  * implementation, but I think it's better to offer this choice in
 334  * winecfg, because some apps use the default driver, so we would need
 335  * a winecfg option anyway, and there shouldn't be 2 ways to set one setting
 336  *
 337  * Arguments:
 338  *  Callback: Callback function from the app
 339  *  Context: Argument to the call back.
 340  *
 341  * Returns:
 342  *  DD_OK on success
 343  *  E_INVALIDARG if the Callback caused a page fault
 344  *
 345  *
 346  ***********************************************************************/
 347 HRESULT WINAPI DirectDrawEnumerateA(LPDDENUMCALLBACKA Callback, void *Context)
 348 {
 349     TRACE("callback %p, context %p.\n", Callback, Context);
 350
 351     TRACE(" Enumerating default DirectDraw HAL interface\n");
 352     /* We only have one driver */
 353     __TRY
 354     {
 355         static CHAR driver_desc[] = "DirectDraw HAL",
 356         driver_name[] = "display";
 357
 358         Callback(NULL, driver_desc, driver_name, Context);
 359     }
 360     __EXCEPT_PAGE_FAULT
 361     {
 362         return DDERR_INVALIDPARAMS;
 363     }
 364     __ENDTRY
 365
 366     TRACE(" End of enumeration\n");
 367     return DD_OK;
 368 }
 369
 370 /***********************************************************************
 371  * DirectDrawEnumerateExA (DDRAW.@)
 372  *
 373  * Enumerates DirectDraw7 drivers, ascii version. See
 374  * the comments above DirectDrawEnumerateA for more details.
 375  *
 376  * The Flag member is not supported right now.
 377  *
 378  ***********************************************************************/
 379 HRESULT WINAPI DirectDrawEnumerateExA(LPDDENUMCALLBACKEXA Callback, void *Context, DWORD Flags)
 380 {
 381     TRACE("callback %p, context %p, flags %#x.\n", Callback, Context, Flags);
 382
 383     if (Flags & ~(DDENUM_ATTACHEDSECONDARYDEVICES |
 384                   DDENUM_DETACHEDSECONDARYDEVICES |
 385                   DDENUM_NONDISPLAYDEVICES))
 386         return DDERR_INVALIDPARAMS;
 387
 388     if (Flags)
 389         FIXME("flags 0x%08x not handled\n", Flags);
 390
 391     TRACE("Enumerating default DirectDraw HAL interface\n");
 392
 393     /* We only have one driver by now */
 394     __TRY
 395     {
 396         static CHAR driver_desc[] = "DirectDraw HAL",
 397         driver_name[] = "display";
 398
 399         /* QuickTime expects the description "DirectDraw HAL" */
 400         Callback(NULL, driver_desc, driver_name, Context, 0);
 401     }
 402     __EXCEPT_PAGE_FAULT
 403     {
 404         return DDERR_INVALIDPARAMS;
 405     }
 406     __ENDTRY;
 407
 408     TRACE("End of enumeration\n");
 409     return DD_OK;
 410 }
 411
 412 /***********************************************************************
 413  * DirectDrawEnumerateW (DDRAW.@)
 414  *
 415  * Enumerates legacy drivers, unicode version.
 416  * This function is not implemented on Windows.
 417  *
 418  ***********************************************************************/
 419 HRESULT WINAPI DirectDrawEnumerateW(LPDDENUMCALLBACKW callback, void *context)
 420 {
 421     TRACE("callback %p, context %p.\n", callback, context);
 422
 423     if (!callback)
 424         return DDERR_INVALIDPARAMS;
 425     else
 426         return DDERR_UNSUPPORTED;
 427 }
 428
 429 /***********************************************************************
 430  * DirectDrawEnumerateExW (DDRAW.@)
 431  *
 432  * Enumerates DirectDraw7 drivers, unicode version.
 433  * This function is not implemented on Windows.
 434  *
 435  ***********************************************************************/
 436 HRESULT WINAPI DirectDrawEnumerateExW(LPDDENUMCALLBACKEXW callback, void *context, DWORD flags)
 437 {
 438     TRACE("callback %p, context %p, flags %#x.\n", callback, context, flags);
 439
 440     return DDERR_UNSUPPORTED;
 441 }
 442
 443 /***********************************************************************
 444  * Classfactory implementation.
 445  ***********************************************************************/
 446
 447 /***********************************************************************
 448  * CF_CreateDirectDraw
 449  *
 450  * DDraw creation function for the class factory
 451  *
 452  * Params:
 453  *  UnkOuter: Set to NULL
 454  *  iid: ID of the wanted interface
 455  *  obj: Address to pass the interface pointer back
 456  *
 457  * Returns
 458  *  DD_OK / DDERR*, see DDRAW_Create
 459  *
 460  ***********************************************************************/
 461 static HRESULT
 462 CF_CreateDirectDraw(IUnknown* UnkOuter, REFIID iid,
 463                     void **obj)
 464 {
 465     HRESULT hr;
 466
 467     TRACE("outer_unknown %p, riid %s, object %p.\n", UnkOuter, debugstr_guid(iid), obj);
 468
 469     EnterCriticalSection(&ddraw_cs);
 470     hr = DDRAW_Create(NULL, obj, UnkOuter, iid);
 471     LeaveCriticalSection(&ddraw_cs);
 472     return hr;
 473 }
 474
 475 /***********************************************************************
 476  * CF_CreateDirectDraw
 477  *
 478  * Clipper creation function for the class factory
 479  *
 480  * Params:
 481  *  UnkOuter: Set to NULL
 482  *  iid: ID of the wanted interface
 483  *  obj: Address to pass the interface pointer back
 484  *
 485  * Returns
 486  *  DD_OK / DDERR*, see DDRAW_Create
 487  *
 488  ***********************************************************************/
 489 static HRESULT
 490 CF_CreateDirectDrawClipper(IUnknown* UnkOuter, REFIID riid,
 491                               void **obj)
 492 {
 493     HRESULT hr;
 494     IDirectDrawClipper *Clip;
 495
 496     TRACE("outer_unknown %p, riid %s, object %p.\n", UnkOuter, debugstr_guid(riid), obj);
 497
 498     EnterCriticalSection(&ddraw_cs);
 499     hr = DirectDrawCreateClipper(0, &Clip, UnkOuter);
 500     if (hr != DD_OK)
 501     {
 502         LeaveCriticalSection(&ddraw_cs);
 503         return hr;
 504     }
 505
 506     hr = IDirectDrawClipper_QueryInterface(Clip, riid, obj);
 507     IDirectDrawClipper_Release(Clip);
 508
 509     LeaveCriticalSection(&ddraw_cs);
 510     return hr;
 511 }
 512
 513 static const struct object_creation_info object_creation[] =
 514 {
 515     { &CLSID_DirectDraw,        CF_CreateDirectDraw },
 516     { &CLSID_DirectDraw7,       CF_CreateDirectDraw },
 517     { &CLSID_DirectDrawClipper, CF_CreateDirectDrawClipper }
 518 };
 519
 520
 521 /******************************************************************************
 522  * DirectDraw ClassFactory implementation
 523  ******************************************************************************/
 524 typedef struct
 525 {
 526     IClassFactory IClassFactory_iface;
 527
 528     LONG ref;
 529     HRESULT (*pfnCreateInstance)(IUnknown *pUnkOuter, REFIID iid, LPVOID *ppObj);
 530 } IClassFactoryImpl;
 531
 532 static inline IClassFactoryImpl *impl_from_IClassFactory(IClassFactory *iface)
 533 {
 534     return CONTAINING_RECORD(iface, IClassFactoryImpl, IClassFactory_iface);
 535 }
 536
 537 /*******************************************************************************
 538  * IDirectDrawClassFactory::QueryInterface
 539  *
 540  * QueryInterface for the class factory
 541  *
 542  * PARAMS
 543  *    riid   Reference to identifier of queried interface
 544  *    ppv    Address to return the interface pointer at
 545  *
 546  * RETURNS
 547  *    Success: S_OK
 548  *    Failure: E_NOINTERFACE
 549  *
 550  *******************************************************************************/
 551 static HRESULT WINAPI IDirectDrawClassFactoryImpl_QueryInterface(IClassFactory *iface, REFIID riid,
 552         void **obj)
 553 {
 554     IClassFactoryImpl *This = impl_from_IClassFactory(iface);
 555
 556     TRACE("iface %p, riid %s, object %p.\n", iface, debugstr_guid(riid), obj);
 557
 558     if (IsEqualGUID(riid, &IID_IUnknown)
 559         || IsEqualGUID(riid, &IID_IClassFactory))
 560     {
 561         IClassFactory_AddRef(iface);
 562         *obj = This;
 563         return S_OK;
 564     }
 565
 566     WARN("(%p)->(%s,%p),not found\n",This,debugstr_guid(riid),obj);
 567     return E_NOINTERFACE;
 568 }
 569
 570 /*******************************************************************************
 571  * IDirectDrawClassFactory::AddRef
 572  *
 573  * AddRef for the class factory
 574  *
 575  * RETURNS
 576  *  The new refcount
 577  *
 578  *******************************************************************************/
 579 static ULONG WINAPI IDirectDrawClassFactoryImpl_AddRef(IClassFactory *iface)
 580 {
 581     IClassFactoryImpl *This = impl_from_IClassFactory(iface);
 582     ULONG ref = InterlockedIncrement(&This->ref);
 583
 584     TRACE("%p increasing refcount to %u.\n", This, ref);
 585
 586     return ref;
 587 }
 588
 589 /*******************************************************************************
 590  * IDirectDrawClassFactory::Release
 591  *
 592  * Release for the class factory. If the refcount falls to 0, the object
 593  * is destroyed
 594  *
 595  * RETURNS
 596  *  The new refcount
 597  *
 598  *******************************************************************************/
 599 static ULONG WINAPI IDirectDrawClassFactoryImpl_Release(IClassFactory *iface)
 600 {
 601     IClassFactoryImpl *This = impl_from_IClassFactory(iface);
 602     ULONG ref = InterlockedDecrement(&This->ref);
 603
 604     TRACE("%p decreasing refcount to %u.\n", This, ref);
 605
 606     if (ref == 0)
 607         HeapFree(GetProcessHeap(), 0, This);
 608
 609     return ref;
 610 }
 611
 612
 613 /*******************************************************************************
 614  * IDirectDrawClassFactory::CreateInstance
 615  *
 616  * What is this? Seems to create DirectDraw objects...
 617  *
 618  * Params
 619  *  The usual things???
 620  *
 621  * RETURNS
 622  *  ???
 623  *
 624  *******************************************************************************/
 625 static HRESULT WINAPI IDirectDrawClassFactoryImpl_CreateInstance(IClassFactory *iface,
 626         IUnknown *UnkOuter, REFIID riid, void **obj)
 627 {
 628     IClassFactoryImpl *This = impl_from_IClassFactory(iface);
 629
 630     TRACE("iface %p, outer_unknown %p, riid %s, object %p.\n",
 631             iface, UnkOuter, debugstr_guid(riid), obj);
 632
 633     return This->pfnCreateInstance(UnkOuter, riid, obj);
 634 }
 635
 636 /*******************************************************************************
 637  * IDirectDrawClassFactory::LockServer
 638  *
 639  * What is this?
 640  *
 641  * Params
 642  *  ???
 643  *
 644  * RETURNS
 645  *  S_OK, because it's a stub
 646  *
 647  *******************************************************************************/
 648 static HRESULT WINAPI IDirectDrawClassFactoryImpl_LockServer(IClassFactory *iface, BOOL dolock)
 649 {
 650     FIXME("iface %p, dolock %#x stub!\n", iface, dolock);
 651
 652     return S_OK;
 653 }
 654
 655 /*******************************************************************************
 656  * The class factory VTable
 657  *******************************************************************************/
 658 static const IClassFactoryVtbl IClassFactory_Vtbl =
 659 {
 660     IDirectDrawClassFactoryImpl_QueryInterface,
 661     IDirectDrawClassFactoryImpl_AddRef,
 662     IDirectDrawClassFactoryImpl_Release,
 663     IDirectDrawClassFactoryImpl_CreateInstance,
 664     IDirectDrawClassFactoryImpl_LockServer
 665 };
 666
 667 /*******************************************************************************
 668  * DllGetClassObject [DDRAW.@]
 669  * Retrieves class object from a DLL object
 670  *
 671  * NOTES
 672  *    Docs say returns STDAPI
 673  *
 674  * PARAMS
 675  *    rclsid [I] CLSID for the class object
 676  *    riid   [I] Reference to identifier of interface for class object
 677  *    ppv    [O] Address of variable to receive interface pointer for riid
 678  *
 679  * RETURNS
 680  *    Success: S_OK
 681  *    Failure: CLASS_E_CLASSNOTAVAILABLE, E_OUTOFMEMORY, E_INVALIDARG,
 682  *             E_UNEXPECTED
 683  */
 684 HRESULT WINAPI DllGetClassObject(REFCLSID rclsid, REFIID riid, LPVOID *ppv)
 685 {
 686     unsigned int i;
 687     IClassFactoryImpl *factory;
 688
 689     TRACE("rclsid %s, riid %s, object %p.\n",
 690             debugstr_guid(rclsid), debugstr_guid(riid), ppv);
 691
 692     if (!IsEqualGUID(&IID_IClassFactory, riid)
 693             && !IsEqualGUID(&IID_IUnknown, riid))
 694         return E_NOINTERFACE;
 695
 696     for (i=0; i < sizeof(object_creation)/sizeof(object_creation[0]); i++)
 697     {
 698         if (IsEqualGUID(object_creation[i].clsid, rclsid))
 699             break;
 700     }
 701
 702     if (i == sizeof(object_creation)/sizeof(object_creation[0]))
 703     {
 704         FIXME("%s: no class found.\n", debugstr_guid(rclsid));
 705         return CLASS_E_CLASSNOTAVAILABLE;
 706     }
 707
 708     factory = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*factory));
 709     if (factory == NULL) return E_OUTOFMEMORY;
 710
 711     factory->IClassFactory_iface.lpVtbl = &IClassFactory_Vtbl;
 712     factory->ref = 1;
 713
 714     factory->pfnCreateInstance = object_creation[i].pfnCreateInstance;
 715
 716     *ppv = factory;
 717     return S_OK;
 718 }
 719
 720
 721 /*******************************************************************************
 722  * DllCanUnloadNow [DDRAW.@]  Determines whether the DLL is in use.
 723  *
 724  * RETURNS
 725  *    Success: S_OK
 726  *    Failure: S_FALSE
 727  */
 728 HRESULT WINAPI DllCanUnloadNow(void)
 729 {
 730     TRACE("\n");
 731
 732     return S_FALSE;
 733 }
 734
 735
 736 /***********************************************************************
 737  *              DllRegisterServer (DDRAW.@)
 738  */
 739 HRESULT WINAPI DllRegisterServer(void)
 740 {
 741     return __wine_register_resources( instance );
 742 }
 743
 744 /***********************************************************************
 745  *              DllUnregisterServer (DDRAW.@)
 746  */
 747 HRESULT WINAPI DllUnregisterServer(void)
 748 {
 749     return __wine_unregister_resources( instance );
 750 }
 751
 752 /*******************************************************************************
 753  * DestroyCallback
 754  *
 755  * Callback function for the EnumSurfaces call in DllMain.
 756  * Dumps some surface info and releases the surface
 757  *
 758  * Params:
 759  *  surf: The enumerated surface
 760  *  desc: it's description
 761  *  context: Pointer to the ddraw impl
 762  *
 763  * Returns:
 764  *  DDENUMRET_OK;
 765  *******************************************************************************/
 766 static HRESULT WINAPI
 767 DestroyCallback(IDirectDrawSurface7 *surf,
 768                 DDSURFACEDESC2 *desc,
 769                 void *context)
 770 {
 771     IDirectDrawSurfaceImpl *Impl = impl_from_IDirectDrawSurface7(surf);
 772     ULONG ref7, ref4, ref3, ref2, ref1, gamma_count, iface_count;
 773
 774     ref7 = IDirectDrawSurface7_Release(surf);  /* For the EnumSurfaces */
 775     IDirectDrawSurface4_AddRef(&Impl->IDirectDrawSurface4_iface);
 776     ref4 = IDirectDrawSurface4_Release(&Impl->IDirectDrawSurface4_iface);
 777     IDirectDrawSurface3_AddRef(&Impl->IDirectDrawSurface3_iface);
 778     ref3 = IDirectDrawSurface3_Release(&Impl->IDirectDrawSurface3_iface);
 779     IDirectDrawSurface2_AddRef(&Impl->IDirectDrawSurface2_iface);
 780     ref2 = IDirectDrawSurface2_Release(&Impl->IDirectDrawSurface2_iface);
 781     IDirectDrawSurface_AddRef(&Impl->IDirectDrawSurface_iface);
 782     ref1 = IDirectDrawSurface_Release(&Impl->IDirectDrawSurface_iface);
 783     IDirectDrawGammaControl_AddRef(&Impl->IDirectDrawGammaControl_iface);
 784     gamma_count = IDirectDrawGammaControl_Release(&Impl->IDirectDrawGammaControl_iface);
 785     WARN("Surface %p has an reference counts of 7: %u 4: %u 3: %u 2: %u 1: %u gamma: %u\n",
 786             Impl, ref7, ref4, ref3, ref2, ref1, gamma_count);
 787
 788     /* Skip surfaces which are attached somewhere or which are
 789      * part of a complex compound. They will get released when destroying
 790      * the root
 791      */
 792     if( (!Impl->is_complex_root) || (Impl->first_attached != Impl) )
 793         return DDENUMRET_OK;
 794
 795     /* Destroy the surface */
 796     iface_count = ddraw_surface_release_iface(Impl);
 797     while (iface_count) iface_count = ddraw_surface_release_iface(Impl);
 798
 799     return DDENUMRET_OK;
 800 }
 801
 802 /***********************************************************************
 803  * get_config_key
 804  *
 805  * Reads a config key from the registry. Taken from WineD3D
 806  *
 807  ***********************************************************************/
 808 static inline DWORD get_config_key(HKEY defkey, HKEY appkey, const char* name, char* buffer, DWORD size)
 809 {
 810     if (0 != appkey && !RegQueryValueExA( appkey, name, 0, NULL, (LPBYTE) buffer, &size )) return 0;
 811     if (0 != defkey && !RegQueryValueExA( defkey, name, 0, NULL, (LPBYTE) buffer, &size )) return 0;
 812     return ERROR_FILE_NOT_FOUND;
 813 }
 814
 815 /***********************************************************************
 816  * DllMain (DDRAW.0)
 817  *
 818  * Could be used to register DirectDraw drivers, if we have more than
 819  * one. Also used to destroy any objects left at unload if the
 820  * app didn't release them properly(Gothic 2, Diablo 2, Moto racer, ...)
 821  *
 822  ***********************************************************************/
 823 BOOL WINAPI
 824 DllMain(HINSTANCE hInstDLL,
 825         DWORD Reason,
 826         LPVOID lpv)
 827 {
 828     TRACE("(%p,%x,%p)\n", hInstDLL, Reason, lpv);
 829     if (Reason == DLL_PROCESS_ATTACH)
 830     {
 831         char buffer[MAX_PATH+10];
 832         DWORD size = sizeof(buffer);
 833         HKEY hkey = 0;
 834         HKEY appkey = 0;
 835         WNDCLASSA wc;
 836         DWORD len;
 837
 838         /* Register the window class. This is used to create a hidden window
 839          * for D3D rendering, if the application didn't pass one. It can also
 840          * be used for creating a device window from SetCooperativeLevel(). */
 841         wc.style = CS_HREDRAW | CS_VREDRAW;
 842         wc.lpfnWndProc = DefWindowProcA;
 843         wc.cbClsExtra = 0;
 844         wc.cbWndExtra = 0;
 845         wc.hInstance = hInstDLL;
 846         wc.hIcon = 0;
 847         wc.hCursor = 0;
 848         wc.hbrBackground = GetStockObject(BLACK_BRUSH);
 849         wc.lpszMenuName = NULL;
 850         wc.lpszClassName = DDRAW_WINDOW_CLASS_NAME;
 851         if (!RegisterClassA(&wc))
 852         {
 853             ERR("Failed to register ddraw window class, last error %#x.\n", GetLastError());
 854             return FALSE;
 855         }
 856
 857        /* @@ Wine registry key: HKCU\Software\Wine\Direct3D */
 858        if ( RegOpenKeyA( HKEY_CURRENT_USER, "Software\\Wine\\Direct3D", &hkey ) ) hkey = 0;
 859
 860        len = GetModuleFileNameA( 0, buffer, MAX_PATH );
 861        if (len && len < MAX_PATH)
 862        {
 863             HKEY tmpkey;
 864             /* @@ Wine registry key: HKCU\Software\Wine\AppDefaults\app.exe\Direct3D */
 865             if (!RegOpenKeyA( HKEY_CURRENT_USER, "Software\\Wine\\AppDefaults", &tmpkey ))
 866             {
 867                 char *p, *appname = buffer;
 868                 if ((p = strrchr( appname, '/' ))) appname = p + 1;
 869                 if ((p = strrchr( appname, '\\' ))) appname = p + 1;
 870                 strcat( appname, "\\Direct3D" );
 871                 TRACE("appname = [%s]\n", appname);
 872                 if (RegOpenKeyA( tmpkey, appname, &appkey )) appkey = 0;
 873                 RegCloseKey( tmpkey );
 874             }
 875        }
 876
 877        if ( 0 != hkey || 0 != appkey )
 878        {
 879             if ( !get_config_key( hkey, appkey, "DirectDrawRenderer", buffer, size) )
 880             {
 881                 if (!strcmp(buffer,"gdi"))
 882                 {
 883                     TRACE("Defaulting to GDI surfaces\n");
 884                     DefaultSurfaceType = SURFACE_GDI;
 885                 }
 886                 else if (!strcmp(buffer,"opengl"))
 887                 {
 888                     TRACE("Defaulting to opengl surfaces\n");
 889                     DefaultSurfaceType = SURFACE_OPENGL;
 890                 }
 891                 else
 892                 {
 893                     ERR("Unknown default surface type. Supported are:\n gdi, opengl\n");
 894                 }
 895             }
 896         }
 897
 898         /* On Windows one can force the refresh rate that DirectDraw uses by
 899          * setting an override value in dxdiag.  This is documented in KB315614
 900          * (main article), KB230002, and KB217348.  By comparing registry dumps
 901          * before and after setting the override, we see that the override value
 902          * is stored in HKLM\Software\Microsoft\DirectDraw\ForceRefreshRate as a
 903          * DWORD that represents the refresh rate to force.  We use this
 904          * registry entry to modify the behavior of SetDisplayMode so that Wine
 905          * users can override the refresh rate in a Windows-compatible way.
 906          *
 907          * dxdiag will not accept a refresh rate lower than 40 or higher than
 908          * 120 so this value should be within that range.  It is, of course,
 909          * possible for a user to set the registry entry value directly so that
 910          * assumption might not hold.
 911          *
 912          * There is no current mechanism for setting this value through the Wine
 913          * GUI.  It would be most appropriate to set this value through a dxdiag
 914          * clone, but it may be sufficient to use winecfg.
 915          *
 916          * TODO: Create a mechanism for setting this value through the Wine GUI.
 917          */
 918         if ( !RegOpenKeyA( HKEY_LOCAL_MACHINE, "Software\\Microsoft\\DirectDraw", &hkey ) )
 919         {
 920             DWORD type, data;
 921             size = sizeof(data);
 922             if (!RegQueryValueExA( hkey, "ForceRefreshRate", NULL, &type, (LPBYTE)&data, &size ) && type == REG_DWORD)
 923             {
 924                 TRACE("ForceRefreshRate set; overriding refresh rate to %d Hz\n", data);
 925                 force_refresh_rate = data;
 926             }
 927             RegCloseKey( hkey );
 928         }
 929
 930         instance = hInstDLL;
 931         DisableThreadLibraryCalls(hInstDLL);
 932     }
 933     else if (Reason == DLL_PROCESS_DETACH)
 934     {
 935         if(!list_empty(&global_ddraw_list))
 936         {
 937             struct list *entry, *entry2;
 938             WARN("There are still existing DirectDraw interfaces. Wine bug or buggy application?\n");
 939
 940             /* We remove elements from this loop */
 941             LIST_FOR_EACH_SAFE(entry, entry2, &global_ddraw_list)
 942             {
 943                 HRESULT hr;
 944                 DDSURFACEDESC2 desc;
 945                 int i;
 946                 IDirectDrawImpl *ddraw = LIST_ENTRY(entry, IDirectDrawImpl, ddraw_list_entry);
 947
 948                 WARN("DDraw %p has a refcount of %d\n", ddraw, ddraw->ref7 + ddraw->ref4 + ddraw->ref3 + ddraw->ref2 + ddraw->ref1);
 949
 950                 /* Add references to each interface to avoid freeing them unexpectedly */
 951                 IDirectDraw_AddRef(&ddraw->IDirectDraw_iface);
 952                 IDirectDraw2_AddRef(&ddraw->IDirectDraw2_iface);
 953                 IDirectDraw4_AddRef(&ddraw->IDirectDraw4_iface);
 954                 IDirectDraw7_AddRef(&ddraw->IDirectDraw7_iface);
 955
 956                 /* Does a D3D device exist? Destroy it
 957                     * TODO: Destroy all Vertex buffers, Lights, Materials
 958                     * and execute buffers too
 959                     */
 960                 if(ddraw->d3ddevice)
 961                 {
 962                     WARN("DDraw %p has d3ddevice %p attached\n", ddraw, ddraw->d3ddevice);
 963                     while(IDirect3DDevice7_Release((IDirect3DDevice7 *)ddraw->d3ddevice));
 964                 }
 965
 966                 /* Try to release the objects
 967                     * Do an EnumSurfaces to find any hanging surfaces
 968                     */
 969                 memset(&desc, 0, sizeof(desc));
 970                 desc.dwSize = sizeof(desc);
 971                 for(i = 0; i <= 1; i++)
 972                 {
 973                     hr = IDirectDraw7_EnumSurfaces(&ddraw->IDirectDraw7_iface, DDENUMSURFACES_ALL,
 974                             &desc, ddraw, DestroyCallback);
 975                     if(hr != D3D_OK)
 976                         ERR("(%p) EnumSurfaces failed, prepare for trouble\n", ddraw);
 977                 }
 978
 979                 if (!list_empty(&ddraw->surface_list))
 980                     ERR("DDraw %p still has surfaces attached.\n", ddraw);
 981
 982                 /* Release all hanging references to destroy the objects. This
 983                     * restores the screen mode too
 984                     */
 985                 while(IDirectDraw_Release(&ddraw->IDirectDraw_iface));
 986                 while(IDirectDraw2_Release(&ddraw->IDirectDraw2_iface));
 987                 while(IDirectDraw4_Release(&ddraw->IDirectDraw4_iface));
 988                 while(IDirectDraw7_Release(&ddraw->IDirectDraw7_iface));
 989             }
 990         }
 991
 992         /* Unregister the window class. */
 993         UnregisterClassA(DDRAW_WINDOW_CLASS_NAME, hInstDLL);
 994     }
 995
 996     return TRUE;
 997 }