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   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 enum ddraw_surface_type DefaultSurfaceType = DDRAW_SURFACE_TYPE_OPENGL;
  41
  42 static struct list global_ddraw_list = LIST_INIT(global_ddraw_list);
  43
  44 static HINSTANCE instance;
  45
  46 /* value of ForceRefreshRate */
  47 DWORD force_refresh_rate = 0;
  48
  49 /* Structure for converting DirectDrawEnumerateA to DirectDrawEnumerateExA */
  50 struct callback_info
  51 {
  52     LPDDENUMCALLBACKA callback;
  53     void *context;
  54 };
  55
  56 /* Enumeration callback for converting DirectDrawEnumerateA to DirectDrawEnumerateExA */
  57 static HRESULT CALLBACK enum_callback(GUID *guid, char *description, char *driver_name,
  58                                       void *context, HMONITOR monitor)
  59 {
  60     const struct callback_info *info = context;
  61
  62     return info->callback(guid, description, driver_name, info->context);
  63 }
  64
  65 /* Handle table functions */
  66 BOOL ddraw_handle_table_init(struct ddraw_handle_table *t, UINT initial_size)
  67 {
  68     t->entries = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, initial_size * sizeof(*t->entries));
  69     if (!t->entries)
  70     {
  71         ERR("Failed to allocate handle table memory.\n");
  72         return FALSE;
  73     }
  74     t->free_entries = NULL;
  75     t->table_size = initial_size;
  76     t->entry_count = 0;
  77
  78     return TRUE;
  79 }
  80
  81 void ddraw_handle_table_destroy(struct ddraw_handle_table *t)
  82 {
  83     HeapFree(GetProcessHeap(), 0, t->entries);
  84     memset(t, 0, sizeof(*t));
  85 }
  86
  87 DWORD ddraw_allocate_handle(struct ddraw_handle_table *t, void *object, enum ddraw_handle_type type)
  88 {
  89     struct ddraw_handle_entry *entry;
  90
  91     if (t->free_entries)
  92     {
  93         DWORD idx = t->free_entries - t->entries;
  94         /* Use a free handle */
  95         entry = t->free_entries;
  96         if (entry->type != DDRAW_HANDLE_FREE)
  97         {
  98             ERR("Handle %#x (%p) is in the free list, but has type %#x.\n", idx, entry->object, entry->type);
  99             return DDRAW_INVALID_HANDLE;
 100         }
 101         t->free_entries = entry->object;
 102         entry->object = object;
 103         entry->type = type;
 104
 105         return idx;
 106     }
 107
 108     if (!(t->entry_count < t->table_size))
 109     {
 110         /* Grow the table */
 111         UINT new_size = t->table_size + (t->table_size >> 1);
 112         struct ddraw_handle_entry *new_entries = HeapReAlloc(GetProcessHeap(),
 113                 0, t->entries, new_size * sizeof(*t->entries));
 114         if (!new_entries)
 115         {
 116             ERR("Failed to grow the handle table.\n");
 117             return DDRAW_INVALID_HANDLE;
 118         }
 119         t->entries = new_entries;
 120         t->table_size = new_size;
 121     }
 122
 123     entry = &t->entries[t->entry_count];
 124     entry->object = object;
 125     entry->type = type;
 126
 127     return t->entry_count++;
 128 }
 129
 130 void *ddraw_free_handle(struct ddraw_handle_table *t, DWORD handle, enum ddraw_handle_type type)
 131 {
 132     struct ddraw_handle_entry *entry;
 133     void *object;
 134
 135     if (handle == DDRAW_INVALID_HANDLE || handle >= t->entry_count)
 136     {
 137         WARN("Invalid handle %#x passed.\n", handle);
 138         return NULL;
 139     }
 140
 141     entry = &t->entries[handle];
 142     if (entry->type != type)
 143     {
 144         WARN("Handle %#x (%p) is not of type %#x.\n", handle, entry->object, type);
 145         return NULL;
 146     }
 147
 148     object = entry->object;
 149     entry->object = t->free_entries;
 150     entry->type = DDRAW_HANDLE_FREE;
 151     t->free_entries = entry;
 152
 153     return object;
 154 }
 155
 156 void *ddraw_get_object(struct ddraw_handle_table *t, DWORD handle, enum ddraw_handle_type type)
 157 {
 158     struct ddraw_handle_entry *entry;
 159
 160     if (handle == DDRAW_INVALID_HANDLE || handle >= t->entry_count)
 161     {
 162         WARN("Invalid handle %#x passed.\n", handle);
 163         return NULL;
 164     }
 165
 166     entry = &t->entries[handle];
 167     if (entry->type != type)
 168     {
 169         WARN("Handle %#x (%p) is not of type %#x.\n", handle, entry->object, type);
 170         return NULL;
 171     }
 172
 173     return entry->object;
 174 }
 175
 176 /***********************************************************************
 177  *
 178  * Helper function for DirectDrawCreate and friends
 179  * Creates a new DDraw interface with the given REFIID
 180  *
 181  * Interfaces that can be created:
 182  *  IDirectDraw, IDirectDraw2, IDirectDraw4, IDirectDraw7
 183  *  IDirect3D, IDirect3D2, IDirect3D3, IDirect3D7. (Does Windows return
 184  *  IDirect3D interfaces?)
 185  *
 186  * Arguments:
 187  *  guid: ID of the requested driver, NULL for the default driver.
 188  *        The GUID can be queried with DirectDrawEnumerate(Ex)A/W
 189  *  DD: Used to return the pointer to the created object
 190  *  UnkOuter: For aggregation, which is unsupported. Must be NULL
 191  *  iid: requested version ID.
 192  *
 193  * Returns:
 194  *  DD_OK if the Interface was created successfully
 195  *  CLASS_E_NOAGGREGATION if UnkOuter is not NULL
 196  *  E_OUTOFMEMORY if some allocation failed
 197  *
 198  ***********************************************************************/
 199 static HRESULT
 200 DDRAW_Create(const GUID *guid,
 201              void **DD,
 202              IUnknown *UnkOuter,
 203              REFIID iid)
 204 {
 205     enum wined3d_device_type device_type;
 206     struct ddraw *ddraw;
 207     HRESULT hr;
 208
 209     TRACE("driver_guid %s, ddraw %p, outer_unknown %p, interface_iid %s.\n",
 210             debugstr_guid(guid), DD, UnkOuter, debugstr_guid(iid));
 211
 212     *DD = NULL;
 213
 214     /* We don't care about this guids. Well, there's no special guid anyway
 215      * OK, we could
 216      */
 217     if (guid == (GUID *) DDCREATE_EMULATIONONLY)
 218     {
 219         /* Use the reference device id. This doesn't actually change anything,
 220          * WineD3D always uses OpenGL for D3D rendering. One could make it request
 221          * indirect rendering
 222          */
 223         device_type = WINED3D_DEVICE_TYPE_REF;
 224     }
 225     else if(guid == (GUID *) DDCREATE_HARDWAREONLY)
 226     {
 227         device_type = WINED3D_DEVICE_TYPE_HAL;
 228     }
 229     else
 230     {
 231         device_type = 0;
 232     }
 233
 234     /* DDraw doesn't support aggregation, according to msdn */
 235     if (UnkOuter != NULL)
 236         return CLASS_E_NOAGGREGATION;
 237
 238     /* DirectDraw creation comes here */
 239     ddraw = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*ddraw));
 240     if (!ddraw)
 241     {
 242         ERR("Out of memory when creating DirectDraw\n");
 243         return E_OUTOFMEMORY;
 244     }
 245
 246     hr = ddraw_init(ddraw, device_type);
 247     if (FAILED(hr))
 248     {
 249         WARN("Failed to initialize ddraw object, hr %#x.\n", hr);
 250         HeapFree(GetProcessHeap(), 0, ddraw);
 251         return hr;
 252     }
 253
 254     hr = IDirectDraw7_QueryInterface(&ddraw->IDirectDraw7_iface, iid, DD);
 255     IDirectDraw7_Release(&ddraw->IDirectDraw7_iface);
 256     if (SUCCEEDED(hr))
 257         list_add_head(&global_ddraw_list, &ddraw->ddraw_list_entry);
 258     else
 259         WARN("Failed to query interface %s from ddraw object %p.\n", debugstr_guid(iid), ddraw);
 260
 261     return hr;
 262 }
 263
 264 /***********************************************************************
 265  * DirectDrawCreate (DDRAW.@)
 266  *
 267  * Creates legacy DirectDraw Interfaces. Can't create IDirectDraw7
 268  * interfaces in theory
 269  *
 270  * Arguments, return values: See DDRAW_Create
 271  *
 272  ***********************************************************************/
 273 HRESULT WINAPI DECLSPEC_HOTPATCH DirectDrawCreate(GUID *driver_guid, IDirectDraw **ddraw, IUnknown *outer)
 274 {
 275     HRESULT hr;
 276
 277     TRACE("driver_guid %s, ddraw %p, outer %p.\n",
 278             debugstr_guid(driver_guid), ddraw, outer);
 279
 280     wined3d_mutex_lock();
 281     hr = DDRAW_Create(driver_guid, (void **)ddraw, outer, &IID_IDirectDraw);
 282     wined3d_mutex_unlock();
 283
 284     if (SUCCEEDED(hr))
 285     {
 286         if (FAILED(hr = IDirectDraw_Initialize(*ddraw, driver_guid)))
 287             IDirectDraw_Release(*ddraw);
 288     }
 289
 290     return hr;
 291 }
 292
 293 /***********************************************************************
 294  * DirectDrawCreateEx (DDRAW.@)
 295  *
 296  * Only creates new IDirectDraw7 interfaces, supposed to fail if legacy
 297  * interfaces are requested.
 298  *
 299  * Arguments, return values: See DDRAW_Create
 300  *
 301  ***********************************************************************/
 302 HRESULT WINAPI DECLSPEC_HOTPATCH
 303 DirectDrawCreateEx(GUID *guid,
 304                    LPVOID *dd,
 305                    REFIID iid,
 306                    IUnknown *UnkOuter)
 307 {
 308     HRESULT hr;
 309
 310     TRACE("driver_guid %s, ddraw %p, interface_iid %s, outer_unknown %p.\n",
 311             debugstr_guid(guid), dd, debugstr_guid(iid), UnkOuter);
 312
 313     if (!IsEqualGUID(iid, &IID_IDirectDraw7))
 314         return DDERR_INVALIDPARAMS;
 315
 316     wined3d_mutex_lock();
 317     hr = DDRAW_Create(guid, dd, UnkOuter, iid);
 318     wined3d_mutex_unlock();
 319
 320     if (SUCCEEDED(hr))
 321     {
 322         IDirectDraw7 *ddraw7 = *(IDirectDraw7 **)dd;
 323         hr = IDirectDraw7_Initialize(ddraw7, guid);
 324         if (FAILED(hr))
 325             IDirectDraw7_Release(ddraw7);
 326     }
 327
 328     return hr;
 329 }
 330
 331 /***********************************************************************
 332  * DirectDrawEnumerateA (DDRAW.@)
 333  *
 334  * Enumerates legacy ddraw drivers, ascii version. We only have one
 335  * driver, which relays to WineD3D. If we were sufficiently cool,
 336  * we could offer various interfaces, which use a different default surface
 337  * implementation, but I think it's better to offer this choice in
 338  * winecfg, because some apps use the default driver, so we would need
 339  * a winecfg option anyway, and there shouldn't be 2 ways to set one setting
 340  *
 341  * Arguments:
 342  *  Callback: Callback function from the app
 343  *  Context: Argument to the call back.
 344  *
 345  * Returns:
 346  *  DD_OK on success
 347  *  E_INVALIDARG if the Callback caused a page fault
 348  *
 349  *
 350  ***********************************************************************/
 351 HRESULT WINAPI DirectDrawEnumerateA(LPDDENUMCALLBACKA callback, void *context)
 352 {
 353     struct callback_info info;
 354
 355     TRACE("callback %p, context %p.\n", callback, context);
 356
 357     info.callback = callback;
 358     info.context = context;
 359     return DirectDrawEnumerateExA(enum_callback, &info, 0x0);
 360 }
 361
 362 /***********************************************************************
 363  * DirectDrawEnumerateExA (DDRAW.@)
 364  *
 365  * Enumerates DirectDraw7 drivers, ascii version. See
 366  * the comments above DirectDrawEnumerateA for more details.
 367  *
 368  * The Flag member is not supported right now.
 369  *
 370  ***********************************************************************/
 371 HRESULT WINAPI DirectDrawEnumerateExA(LPDDENUMCALLBACKEXA callback, void *context, DWORD flags)
 372 {
 373     struct wined3d *wined3d;
 374     DWORD wined3d_flags;
 375
 376     TRACE("callback %p, context %p, flags %#x.\n", callback, context, flags);
 377
 378     if (flags & ~(DDENUM_ATTACHEDSECONDARYDEVICES |
 379                   DDENUM_DETACHEDSECONDARYDEVICES |
 380                   DDENUM_NONDISPLAYDEVICES))
 381         return DDERR_INVALIDPARAMS;
 382
 383     if (flags)
 384         FIXME("flags 0x%08x not handled\n", flags);
 385
 386     wined3d_flags = WINED3D_LEGACY_DEPTH_BIAS;
 387     if (DefaultSurfaceType != DDRAW_SURFACE_TYPE_OPENGL)
 388         wined3d_flags |= WINED3D_NO3D;
 389
 390     TRACE("Enumerating ddraw interfaces\n");
 391     if (!(wined3d = wined3d_create(7, wined3d_flags)))
 392     {
 393         if ((wined3d_flags & WINED3D_NO3D) || !(wined3d = wined3d_create(7, wined3d_flags | WINED3D_NO3D)))
 394         {
 395             WARN("Failed to create a wined3d object.\n");
 396             return E_FAIL;
 397         }
 398
 399         WARN("Created a wined3d object without 3D support.\n");
 400         DefaultSurfaceType = DDRAW_SURFACE_TYPE_GDI;
 401     }
 402
 403     __TRY
 404     {
 405         /* QuickTime expects the description "DirectDraw HAL" */
 406         static CHAR driver_desc[] = "DirectDraw HAL",
 407         driver_name[] = "display";
 408         struct wined3d_adapter_identifier adapter_id;
 409         HRESULT hr = S_OK;
 410         UINT adapter = 0;
 411         BOOL cont_enum;
 412
 413         /* The Battle.net System Checker expects both a NULL device and a GUID-based device */
 414         TRACE("Default interface: DirectDraw HAL\n");
 415         cont_enum = callback(NULL, driver_desc, driver_name, context, 0);
 416         for (adapter = 0; SUCCEEDED(hr) && cont_enum; adapter++)
 417         {
 418             char DriverName[512] = "";
 419
 420             /* The Battle.net System Checker expects the GetAdapterIdentifier DeviceName to match the
 421              * Driver Name, so obtain the DeviceName and GUID from D3D. */
 422             memset(&adapter_id, 0x0, sizeof(adapter_id));
 423             adapter_id.device_name = DriverName;
 424             adapter_id.device_name_size = sizeof(DriverName);
 425             wined3d_mutex_lock();
 426             hr = wined3d_get_adapter_identifier(wined3d, adapter, 0x0, &adapter_id);
 427             wined3d_mutex_unlock();
 428             if (SUCCEEDED(hr))
 429             {
 430                 TRACE("Interface %d: %s\n", adapter, wine_dbgstr_guid(&adapter_id.device_identifier));
 431                 cont_enum = callback(&adapter_id.device_identifier, driver_desc,
 432                                      adapter_id.device_name, context, 0);
 433             }
 434         }
 435     }
 436     __EXCEPT_PAGE_FAULT
 437     {
 438         wined3d_decref(wined3d);
 439         return DDERR_INVALIDPARAMS;
 440     }
 441     __ENDTRY;
 442
 443     wined3d_decref(wined3d);
 444     TRACE("End of enumeration\n");
 445     return DD_OK;
 446 }
 447
 448 /***********************************************************************
 449  * DirectDrawEnumerateW (DDRAW.@)
 450  *
 451  * Enumerates legacy drivers, unicode version.
 452  * This function is not implemented on Windows.
 453  *
 454  ***********************************************************************/
 455 HRESULT WINAPI DirectDrawEnumerateW(LPDDENUMCALLBACKW callback, void *context)
 456 {
 457     TRACE("callback %p, context %p.\n", callback, context);
 458
 459     if (!callback)
 460         return DDERR_INVALIDPARAMS;
 461     else
 462         return DDERR_UNSUPPORTED;
 463 }
 464
 465 /***********************************************************************
 466  * DirectDrawEnumerateExW (DDRAW.@)
 467  *
 468  * Enumerates DirectDraw7 drivers, unicode version.
 469  * This function is not implemented on Windows.
 470  *
 471  ***********************************************************************/
 472 HRESULT WINAPI DirectDrawEnumerateExW(LPDDENUMCALLBACKEXW callback, void *context, DWORD flags)
 473 {
 474     TRACE("callback %p, context %p, flags %#x.\n", callback, context, flags);
 475
 476     return DDERR_UNSUPPORTED;
 477 }
 478
 479 /***********************************************************************
 480  * Classfactory implementation.
 481  ***********************************************************************/
 482
 483 /***********************************************************************
 484  * CF_CreateDirectDraw
 485  *
 486  * DDraw creation function for the class factory
 487  *
 488  * Params:
 489  *  UnkOuter: Set to NULL
 490  *  iid: ID of the wanted interface
 491  *  obj: Address to pass the interface pointer back
 492  *
 493  * Returns
 494  *  DD_OK / DDERR*, see DDRAW_Create
 495  *
 496  ***********************************************************************/
 497 static HRESULT
 498 CF_CreateDirectDraw(IUnknown* UnkOuter, REFIID iid,
 499                     void **obj)
 500 {
 501     HRESULT hr;
 502
 503     TRACE("outer_unknown %p, riid %s, object %p.\n", UnkOuter, debugstr_guid(iid), obj);
 504
 505     wined3d_mutex_lock();
 506     hr = DDRAW_Create(NULL, obj, UnkOuter, iid);
 507     wined3d_mutex_unlock();
 508
 509     return hr;
 510 }
 511
 512 /***********************************************************************
 513  * CF_CreateDirectDraw
 514  *
 515  * Clipper creation function for the class factory
 516  *
 517  * Params:
 518  *  UnkOuter: Set to NULL
 519  *  iid: ID of the wanted interface
 520  *  obj: Address to pass the interface pointer back
 521  *
 522  * Returns
 523  *  DD_OK / DDERR*, see DDRAW_Create
 524  *
 525  ***********************************************************************/
 526 static HRESULT
 527 CF_CreateDirectDrawClipper(IUnknown* UnkOuter, REFIID riid,
 528                               void **obj)
 529 {
 530     HRESULT hr;
 531     IDirectDrawClipper *Clip;
 532
 533     TRACE("outer_unknown %p, riid %s, object %p.\n", UnkOuter, debugstr_guid(riid), obj);
 534
 535     wined3d_mutex_lock();
 536     hr = DirectDrawCreateClipper(0, &Clip, UnkOuter);
 537     if (hr != DD_OK)
 538     {
 539         wined3d_mutex_unlock();
 540         return hr;
 541     }
 542
 543     hr = IDirectDrawClipper_QueryInterface(Clip, riid, obj);
 544     IDirectDrawClipper_Release(Clip);
 545
 546     wined3d_mutex_unlock();
 547
 548     return hr;
 549 }
 550
 551 static const struct object_creation_info object_creation[] =
 552 {
 553     { &CLSID_DirectDraw,        CF_CreateDirectDraw },
 554     { &CLSID_DirectDraw7,       CF_CreateDirectDraw },
 555     { &CLSID_DirectDrawClipper, CF_CreateDirectDrawClipper }
 556 };
 557
 558 struct ddraw_class_factory
 559 {
 560     IClassFactory IClassFactory_iface;
 561
 562     LONG ref;
 563     HRESULT (*pfnCreateInstance)(IUnknown *pUnkOuter, REFIID iid, LPVOID *ppObj);
 564 };
 565
 566 static inline struct ddraw_class_factory *impl_from_IClassFactory(IClassFactory *iface)
 567 {
 568     return CONTAINING_RECORD(iface, struct ddraw_class_factory, IClassFactory_iface);
 569 }
 570
 571 /*******************************************************************************
 572  * IDirectDrawClassFactory::QueryInterface
 573  *
 574  * QueryInterface for the class factory
 575  *
 576  * PARAMS
 577  *    riid   Reference to identifier of queried interface
 578  *    ppv    Address to return the interface pointer at
 579  *
 580  * RETURNS
 581  *    Success: S_OK
 582  *    Failure: E_NOINTERFACE
 583  *
 584  *******************************************************************************/
 585 static HRESULT WINAPI ddraw_class_factory_QueryInterface(IClassFactory *iface, REFIID riid, void **out)
 586 {
 587     TRACE("iface %p, riid %s, out %p.\n", iface, debugstr_guid(riid), out);
 588
 589     if (IsEqualGUID(riid, &IID_IUnknown)
 590         || IsEqualGUID(riid, &IID_IClassFactory))
 591     {
 592         IClassFactory_AddRef(iface);
 593         *out = iface;
 594         return S_OK;
 595     }
 596
 597     WARN("%s not implemented, returning E_NOINTERFACE.\n", debugstr_guid(riid));
 598
 599     return E_NOINTERFACE;
 600 }
 601
 602 /*******************************************************************************
 603  * IDirectDrawClassFactory::AddRef
 604  *
 605  * AddRef for the class factory
 606  *
 607  * RETURNS
 608  *  The new refcount
 609  *
 610  *******************************************************************************/
 611 static ULONG WINAPI ddraw_class_factory_AddRef(IClassFactory *iface)
 612 {
 613     struct ddraw_class_factory *factory = impl_from_IClassFactory(iface);
 614     ULONG ref = InterlockedIncrement(&factory->ref);
 615
 616     TRACE("%p increasing refcount to %u.\n", factory, ref);
 617
 618     return ref;
 619 }
 620
 621 /*******************************************************************************
 622  * IDirectDrawClassFactory::Release
 623  *
 624  * Release for the class factory. If the refcount falls to 0, the object
 625  * is destroyed
 626  *
 627  * RETURNS
 628  *  The new refcount
 629  *
 630  *******************************************************************************/
 631 static ULONG WINAPI ddraw_class_factory_Release(IClassFactory *iface)
 632 {
 633     struct ddraw_class_factory *factory = impl_from_IClassFactory(iface);
 634     ULONG ref = InterlockedDecrement(&factory->ref);
 635
 636     TRACE("%p decreasing refcount to %u.\n", factory, ref);
 637
 638     if (!ref)
 639         HeapFree(GetProcessHeap(), 0, factory);
 640
 641     return ref;
 642 }
 643
 644
 645 /*******************************************************************************
 646  * IDirectDrawClassFactory::CreateInstance
 647  *
 648  * What is this? Seems to create DirectDraw objects...
 649  *
 650  * Params
 651  *  The usual things???
 652  *
 653  * RETURNS
 654  *  ???
 655  *
 656  *******************************************************************************/
 657 static HRESULT WINAPI ddraw_class_factory_CreateInstance(IClassFactory *iface,
 658         IUnknown *outer_unknown, REFIID riid, void **out)
 659 {
 660     struct ddraw_class_factory *factory = impl_from_IClassFactory(iface);
 661
 662     TRACE("iface %p, outer_unknown %p, riid %s, out %p.\n",
 663             iface, outer_unknown, debugstr_guid(riid), out);
 664
 665     return factory->pfnCreateInstance(outer_unknown, riid, out);
 666 }
 667
 668 /*******************************************************************************
 669  * IDirectDrawClassFactory::LockServer
 670  *
 671  * What is this?
 672  *
 673  * Params
 674  *  ???
 675  *
 676  * RETURNS
 677  *  S_OK, because it's a stub
 678  *
 679  *******************************************************************************/
 680 static HRESULT WINAPI ddraw_class_factory_LockServer(IClassFactory *iface, BOOL dolock)
 681 {
 682     FIXME("iface %p, dolock %#x stub!\n", iface, dolock);
 683
 684     return S_OK;
 685 }
 686
 687 /*******************************************************************************
 688  * The class factory VTable
 689  *******************************************************************************/
 690 static const IClassFactoryVtbl IClassFactory_Vtbl =
 691 {
 692     ddraw_class_factory_QueryInterface,
 693     ddraw_class_factory_AddRef,
 694     ddraw_class_factory_Release,
 695     ddraw_class_factory_CreateInstance,
 696     ddraw_class_factory_LockServer
 697 };
 698
 699 /*******************************************************************************
 700  * DllGetClassObject [DDRAW.@]
 701  * Retrieves class object from a DLL object
 702  *
 703  * NOTES
 704  *    Docs say returns STDAPI
 705  *
 706  * PARAMS
 707  *    rclsid [I] CLSID for the class object
 708  *    riid   [I] Reference to identifier of interface for class object
 709  *    ppv    [O] Address of variable to receive interface pointer for riid
 710  *
 711  * RETURNS
 712  *    Success: S_OK
 713  *    Failure: CLASS_E_CLASSNOTAVAILABLE, E_OUTOFMEMORY, E_INVALIDARG,
 714  *             E_UNEXPECTED
 715  */
 716 HRESULT WINAPI DllGetClassObject(REFCLSID rclsid, REFIID riid, LPVOID *ppv)
 717 {
 718     struct ddraw_class_factory *factory;
 719     unsigned int i;
 720
 721     TRACE("rclsid %s, riid %s, object %p.\n",
 722             debugstr_guid(rclsid), debugstr_guid(riid), ppv);
 723
 724     if (!IsEqualGUID(&IID_IClassFactory, riid)
 725             && !IsEqualGUID(&IID_IUnknown, riid))
 726         return E_NOINTERFACE;
 727
 728     for (i=0; i < sizeof(object_creation)/sizeof(object_creation[0]); i++)
 729     {
 730         if (IsEqualGUID(object_creation[i].clsid, rclsid))
 731             break;
 732     }
 733
 734     if (i == sizeof(object_creation)/sizeof(object_creation[0]))
 735     {
 736         FIXME("%s: no class found.\n", debugstr_guid(rclsid));
 737         return CLASS_E_CLASSNOTAVAILABLE;
 738     }
 739
 740     factory = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*factory));
 741     if (factory == NULL) return E_OUTOFMEMORY;
 742
 743     factory->IClassFactory_iface.lpVtbl = &IClassFactory_Vtbl;
 744     factory->ref = 1;
 745
 746     factory->pfnCreateInstance = object_creation[i].pfnCreateInstance;
 747
 748     *ppv = factory;
 749     return S_OK;
 750 }
 751
 752
 753 /*******************************************************************************
 754  * DllCanUnloadNow [DDRAW.@]  Determines whether the DLL is in use.
 755  *
 756  * RETURNS
 757  *    Success: S_OK
 758  *    Failure: S_FALSE
 759  */
 760 HRESULT WINAPI DllCanUnloadNow(void)
 761 {
 762     TRACE("\n");
 763
 764     return S_FALSE;
 765 }
 766
 767
 768 /***********************************************************************
 769  *              DllRegisterServer (DDRAW.@)
 770  */
 771 HRESULT WINAPI DllRegisterServer(void)
 772 {
 773     return __wine_register_resources( instance );
 774 }
 775
 776 /***********************************************************************
 777  *              DllUnregisterServer (DDRAW.@)
 778  */
 779 HRESULT WINAPI DllUnregisterServer(void)
 780 {
 781     return __wine_unregister_resources( instance );
 782 }
 783
 784 /*******************************************************************************
 785  * DestroyCallback
 786  *
 787  * Callback function for the EnumSurfaces call in DllMain.
 788  * Dumps some surface info and releases the surface
 789  *
 790  * Params:
 791  *  surf: The enumerated surface
 792  *  desc: it's description
 793  *  context: Pointer to the ddraw impl
 794  *
 795  * Returns:
 796  *  DDENUMRET_OK;
 797  *******************************************************************************/
 798 static HRESULT WINAPI
 799 DestroyCallback(IDirectDrawSurface7 *surf,
 800                 DDSURFACEDESC2 *desc,
 801                 void *context)
 802 {
 803     struct ddraw_surface *Impl = impl_from_IDirectDrawSurface7(surf);
 804     ULONG ref7, ref4, ref3, ref2, ref1, gamma_count, iface_count;
 805
 806     ref7 = IDirectDrawSurface7_Release(surf);  /* For the EnumSurfaces */
 807     ref4 = Impl->ref4;
 808     ref3 = Impl->ref3;
 809     ref2 = Impl->ref2;
 810     ref1 = Impl->ref1;
 811     gamma_count = Impl->gamma_count;
 812
 813     WARN("Surface %p has an reference counts of 7: %u 4: %u 3: %u 2: %u 1: %u gamma: %u\n",
 814             Impl, ref7, ref4, ref3, ref2, ref1, gamma_count);
 815
 816     /* Skip surfaces which are attached somewhere or which are
 817      * part of a complex compound. They will get released when destroying
 818      * the root
 819      */
 820     if( (!Impl->is_complex_root) || (Impl->first_attached != Impl) )
 821         return DDENUMRET_OK;
 822
 823     /* Destroy the surface */
 824     iface_count = ddraw_surface_release_iface(Impl);
 825     while (iface_count) iface_count = ddraw_surface_release_iface(Impl);
 826
 827     return DDENUMRET_OK;
 828 }
 829
 830 /***********************************************************************
 831  * get_config_key
 832  *
 833  * Reads a config key from the registry. Taken from WineD3D
 834  *
 835  ***********************************************************************/
 836 static inline DWORD get_config_key(HKEY defkey, HKEY appkey, const char* name, char* buffer, DWORD size)
 837 {
 838     if (0 != appkey && !RegQueryValueExA( appkey, name, 0, NULL, (LPBYTE) buffer, &size )) return 0;
 839     if (0 != defkey && !RegQueryValueExA( defkey, name, 0, NULL, (LPBYTE) buffer, &size )) return 0;
 840     return ERROR_FILE_NOT_FOUND;
 841 }
 842
 843 /***********************************************************************
 844  * DllMain (DDRAW.0)
 845  *
 846  * Could be used to register DirectDraw drivers, if we have more than
 847  * one. Also used to destroy any objects left at unload if the
 848  * app didn't release them properly(Gothic 2, Diablo 2, Moto racer, ...)
 849  *
 850  ***********************************************************************/
 851 BOOL WINAPI
 852 DllMain(HINSTANCE hInstDLL,
 853         DWORD Reason,
 854         LPVOID lpv)
 855 {
 856     TRACE("(%p,%x,%p)\n", hInstDLL, Reason, lpv);
 857     if (Reason == DLL_PROCESS_ATTACH)
 858     {
 859         static HMODULE ddraw_self;
 860         char buffer[MAX_PATH+10];
 861         DWORD size = sizeof(buffer);
 862         HKEY hkey = 0;
 863         HKEY appkey = 0;
 864         WNDCLASSA wc;
 865         DWORD len;
 866
 867         /* Register the window class. This is used to create a hidden window
 868          * for D3D rendering, if the application didn't pass one. It can also
 869          * be used for creating a device window from SetCooperativeLevel(). */
 870         wc.style = CS_HREDRAW | CS_VREDRAW;
 871         wc.lpfnWndProc = DefWindowProcA;
 872         wc.cbClsExtra = 0;
 873         wc.cbWndExtra = 0;
 874         wc.hInstance = hInstDLL;
 875         wc.hIcon = 0;
 876         wc.hCursor = 0;
 877         wc.hbrBackground = GetStockObject(BLACK_BRUSH);
 878         wc.lpszMenuName = NULL;
 879         wc.lpszClassName = DDRAW_WINDOW_CLASS_NAME;
 880         if (!RegisterClassA(&wc))
 881         {
 882             ERR("Failed to register ddraw window class, last error %#x.\n", GetLastError());
 883             return FALSE;
 884         }
 885
 886        /* @@ Wine registry key: HKCU\Software\Wine\Direct3D */
 887        if ( RegOpenKeyA( HKEY_CURRENT_USER, "Software\\Wine\\Direct3D", &hkey ) ) hkey = 0;
 888
 889        len = GetModuleFileNameA( 0, buffer, MAX_PATH );
 890        if (len && len < MAX_PATH)
 891        {
 892             HKEY tmpkey;
 893             /* @@ Wine registry key: HKCU\Software\Wine\AppDefaults\app.exe\Direct3D */
 894             if (!RegOpenKeyA( HKEY_CURRENT_USER, "Software\\Wine\\AppDefaults", &tmpkey ))
 895             {
 896                 char *p, *appname = buffer;
 897                 if ((p = strrchr( appname, '/' ))) appname = p + 1;
 898                 if ((p = strrchr( appname, '\\' ))) appname = p + 1;
 899                 strcat( appname, "\\Direct3D" );
 900                 TRACE("appname = [%s]\n", appname);
 901                 if (RegOpenKeyA( tmpkey, appname, &appkey )) appkey = 0;
 902                 RegCloseKey( tmpkey );
 903             }
 904        }
 905
 906        if ( 0 != hkey || 0 != appkey )
 907        {
 908             if ( !get_config_key( hkey, appkey, "DirectDrawRenderer", buffer, size) )
 909             {
 910                 if (!strcmp(buffer,"gdi"))
 911                 {
 912                     TRACE("Defaulting to GDI surfaces\n");
 913                     DefaultSurfaceType = DDRAW_SURFACE_TYPE_GDI;
 914                 }
 915                 else if (!strcmp(buffer,"opengl"))
 916                 {
 917                     TRACE("Defaulting to opengl surfaces\n");
 918                     DefaultSurfaceType = DDRAW_SURFACE_TYPE_OPENGL;
 919                 }
 920                 else
 921                 {
 922                     ERR("Unknown default surface type. Supported are:\n gdi, opengl\n");
 923                 }
 924             }
 925         }
 926
 927         /* On Windows one can force the refresh rate that DirectDraw uses by
 928          * setting an override value in dxdiag.  This is documented in KB315614
 929          * (main article), KB230002, and KB217348.  By comparing registry dumps
 930          * before and after setting the override, we see that the override value
 931          * is stored in HKLM\Software\Microsoft\DirectDraw\ForceRefreshRate as a
 932          * DWORD that represents the refresh rate to force.  We use this
 933          * registry entry to modify the behavior of SetDisplayMode so that Wine
 934          * users can override the refresh rate in a Windows-compatible way.
 935          *
 936          * dxdiag will not accept a refresh rate lower than 40 or higher than
 937          * 120 so this value should be within that range.  It is, of course,
 938          * possible for a user to set the registry entry value directly so that
 939          * assumption might not hold.
 940          *
 941          * There is no current mechanism for setting this value through the Wine
 942          * GUI.  It would be most appropriate to set this value through a dxdiag
 943          * clone, but it may be sufficient to use winecfg.
 944          *
 945          * TODO: Create a mechanism for setting this value through the Wine GUI.
 946          */
 947         if ( !RegOpenKeyA( HKEY_LOCAL_MACHINE, "Software\\Microsoft\\DirectDraw", &hkey ) )
 948         {
 949             DWORD type, data;
 950             size = sizeof(data);
 951             if (!RegQueryValueExA( hkey, "ForceRefreshRate", NULL, &type, (LPBYTE)&data, &size ) && type == REG_DWORD)
 952             {
 953                 TRACE("ForceRefreshRate set; overriding refresh rate to %d Hz\n", data);
 954                 force_refresh_rate = data;
 955             }
 956             RegCloseKey( hkey );
 957         }
 958
 959         /* Prevent the ddraw module from being unloaded. When switching to
 960          * exclusive mode, we replace the window proc of the ddraw window. If
 961          * an application would unload ddraw from the WM_DESTROY handler for
 962          * that window, it would return to unmapped memory and die. Apparently
 963          * this is supposed to work on Windows. We should probably use
 964          * GET_MODULE_HANDLE_EX_FLAG_PIN for this, but that's not currently
 965          * implemented. */
 966         if (!GetModuleHandleExW(GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS, (const WCHAR *)&ddraw_self, &ddraw_self))
 967             ERR("Failed to get own module handle.\n");
 968
 969         instance = hInstDLL;
 970         DisableThreadLibraryCalls(hInstDLL);
 971     }
 972     else if (Reason == DLL_PROCESS_DETACH)
 973     {
 974         if(!list_empty(&global_ddraw_list))
 975         {
 976             struct list *entry, *entry2;
 977             WARN("There are still existing DirectDraw interfaces. Wine bug or buggy application?\n");
 978
 979             /* We remove elements from this loop */
 980             LIST_FOR_EACH_SAFE(entry, entry2, &global_ddraw_list)
 981             {
 982                 struct ddraw *ddraw = LIST_ENTRY(entry, struct ddraw, ddraw_list_entry);
 983                 HRESULT hr;
 984                 DDSURFACEDESC2 desc;
 985                 int i;
 986
 987                 WARN("DDraw %p has a refcount of %d\n", ddraw, ddraw->ref7 + ddraw->ref4 + ddraw->ref3 + ddraw->ref2 + ddraw->ref1);
 988
 989                 /* Add references to each interface to avoid freeing them unexpectedly */
 990                 IDirectDraw_AddRef(&ddraw->IDirectDraw_iface);
 991                 IDirectDraw2_AddRef(&ddraw->IDirectDraw2_iface);
 992                 IDirectDraw4_AddRef(&ddraw->IDirectDraw4_iface);
 993                 IDirectDraw7_AddRef(&ddraw->IDirectDraw7_iface);
 994
 995                 /* Does a D3D device exist? Destroy it
 996                     * TODO: Destroy all Vertex buffers, Lights, Materials
 997                     * and execute buffers too
 998                     */
 999                 if(ddraw->d3ddevice)
1000                 {
1001                     WARN("DDraw %p has d3ddevice %p attached\n", ddraw, ddraw->d3ddevice);
1002                     while(IDirect3DDevice7_Release(&ddraw->d3ddevice->IDirect3DDevice7_iface));
1003                 }
1004
1005                 /* Destroy the swapchain after any 3D device. The 3D device
1006                  * cleanup code needs a swapchain. Specifically, it tries to
1007                  * set the current render target to the front buffer. */
1008                 if (ddraw->wined3d_swapchain)
1009                     ddraw_destroy_swapchain(ddraw);
1010
1011                 /* Try to release the objects
1012                     * Do an EnumSurfaces to find any hanging surfaces
1013                     */
1014                 memset(&desc, 0, sizeof(desc));
1015                 desc.dwSize = sizeof(desc);
1016                 for(i = 0; i <= 1; i++)
1017                 {
1018                     hr = IDirectDraw7_EnumSurfaces(&ddraw->IDirectDraw7_iface, DDENUMSURFACES_ALL,
1019                             &desc, ddraw, DestroyCallback);
1020                     if(hr != D3D_OK)
1021                         ERR("(%p) EnumSurfaces failed, prepare for trouble\n", ddraw);
1022                 }
1023
1024                 if (!list_empty(&ddraw->surface_list))
1025                     ERR("DDraw %p still has surfaces attached.\n", ddraw);
1026
1027                 /* Release all hanging references to destroy the objects. This
1028                     * restores the screen mode too
1029                     */
1030                 while(IDirectDraw_Release(&ddraw->IDirectDraw_iface));
1031                 while(IDirectDraw2_Release(&ddraw->IDirectDraw2_iface));
1032                 while(IDirectDraw4_Release(&ddraw->IDirectDraw4_iface));
1033                 while(IDirectDraw7_Release(&ddraw->IDirectDraw7_iface));
1034             }
1035         }
1036
1037         /* Unregister the window class. */
1038         UnregisterClassA(DDRAW_WINDOW_CLASS_NAME, hInstDLL);
1039     }
1040
1041     return TRUE;
1042 }